177 results about "External Liquid" patented technology

The invention discloses an angle-variable and self-revolution wafer base device, and belongs to the technical field of wafer bases, the angle-variable and self-revolution wafer base device comprises a revolution base, a gear carrier is fixedly connected to the center of the top of the revolution base, and a base is arranged above the gear carrier. According to the cooling device, an external liquid supply device conveys cooling water into the connecting base through a cooling water inlet pipe, inclined blades in the connecting base drive a driving shaft and a double-end protruding block to rotate, a sliding block drives an annular gear and a cooling disc to rotate through a rack, and the rotating cooling disc centrifugally throws out the cooling water; a uniform and dead-corner-free cooling water curtain is formed, the rotation shaft and the adjusting shaft are completely wrapped, the cooling uniformity of the peripheral side of the shaft body is ensured, stable and efficient heat exchange is achieved, sprayed cooling water can cool the revolution seat and the gear carrier at the same time, the influence of the high temperature in the reaction cavity on the device is reduced in an auxiliary mode, and the reaction efficiency is improved. And the operation reliability and the overall performance of the device are obviously improved.

The utility model discloses a poultry vaccination marking mechanism which comprises an ink jet mechanism, the ink jet mechanism is flat and hollow and is connected with an external liquid pump through a hose, one side of the ink jet mechanism is provided with a nozzle, the other side of the ink jet mechanism is rotatably provided with a limiting ball, one end of the limiting ball is connected with a connecting mechanism through a connecting rod, and the other end of the limiting ball is connected with the connecting mechanism. The input end of the liquid pump is connected with an ink box containing marking ink through a pipeline, and the output end of the liquid pump is connected with the ink jetting mechanism through a hose. The trigger switch of the liquid pump can be linked with the vaccine injector, when the vaccine injector is started to inject vaccines once, the liquid pump operates once, a certain amount of ink is sprayed to feathers on poultry bodies, and the ink-jet mechanism is linked with the vaccine injection mechanism to inject the vaccines into the feathers. Meanwhile, the poultry feather marking device is small and exquisite in design, light, simple in structure, low in use and maintenance cost and suitable for small-scale poultry breeding.

The invention discloses an air pressure liquid level meter, a liquid storage device and plant protection equipment. The first waterproof pipe is communicated with the air pressure sensor; the inner pipe diameter of the air guide pipe is larger than that of the first waterproof pipe, one end of the air guide pipe is communicated with the air pressure sensor through the first waterproof pipe, and the other end of the air guide pipe is used for extending into liquid to sense water pressure. The air guide pipe and the air pressure sensor can be communicated through the first waterproof pipe, and when external liquid enters the air pressure sensor through the end, away from the air pressure sensor, of the first waterproof pipe, the liquid easily forms a water column in the first waterproof pipe under the action of liquid tension; the water column can isolate the space between the barometric sensor and the first waterproof pipe from the outside, which is equivalent to forming plugging and preventing air between the barometric sensor and the first waterproof pipe from being discharged, and when the pressure of external liquid is balanced with the pressure of air in the first waterproof pipe, the liquid cannot continuously enter, so that the waterproofness of the barometric sensor is realized.

The present disclosure provides a cleaning device, a control method of the cleaning device and a cleaning system. The liquid path system in the cleaning device comprises a clean water box, a first path and a second path. The clean water box is provided with a first liquid outlet and a second liquid outlet, the first liquid outlet is lower than the second liquid outlet. The first path is provided with a first inlet and a first outlet, the first outlet is used for the liquid in the clean water box to flow out of the first path, and a first power device is used for providing driving power to discharge the liquid in the clean water box out of the first path. The second path is provided with a second inlet and a second outlet, the second outlet is used for the liquid in the clean water box to flow out of the second path. In the state of wiping the surface to be cleaned, the first power device drives the liquid in the clean water box to flow into the first path from the first liquid outlet and flow out of the first outlet to supply the liquid to the cleaning element. In the state of washing the cleaning element, when the clean water box is supplied with liquid by an external liquid source of the clean water box so that the liquid level of the clean water box exceeds the second liquid outlet, the liquid in the clean water box overflows from the second liquid outlet to the second path and flows out of the second outlet to discharge the liquid to the cleaning element to wash the cleaning element.

The utility model discloses a kind of capacity expansion waterproof travel bags, it is related to travel bag technical field, including main bag body and the capacity expansion bag being set to its side face. Capacity expansion bag edge is connected with main bag body by waterproof sealing strip, and it is formed plane seal in the contraction state by relying on self elasticity close main bag body, effectively reduce space occupation and isolate external liquid;Capacity expansion bag bottom is equipped with drain hole, can be actively exported bag in liquid accumulation, cover sleeve being set at bag mouth is fixedly connected with main bag body, and bag mouth is sealed by elastic deformation compression. The device forms combined waterproof barrier by lateral isolation of waterproof sealing strip, top sealing of cover sleeve and bottom flow guide of drain hole, realizes the physical separation of dry and wet articles and water accumulation autonomous discharge, solves the pain point that wet umbrella and other humid articles pollute luggage in rainy day, improves the functionality and environmental adaptability of travel bag.

The utility model discloses a hydraulic machine cleaning assembly, which belongs to the technical field of cleaning assemblies, and comprises a support rod and a nozzle, a liquid through hole in the support rod is communicated with an external liquid supply device, and the nozzle is slidably mounted at the end along the axial direction of the support rod. A liquid storage cavity is formed in the nozzle, a first water outlet is formed in the end part, a second water outlet is formed in the annular surface, the nozzle has at least two positions on the supporting rod, liquid can be sprayed from the first water outlet and the second water outlet respectively, and different parts of the hydraulic machine can be cleaned in a targeted manner. A flow guide column is fixed to the end of the supporting rod and connected with a sealing column through a connecting rod, and different water outlets are opened and closed through position changes of the sealing column. The diameter of the connecting rod is smaller than that of the diversion column and the sealing column, an annular groove is formed and matched with the first water injection hole of the diversion column and the second water injection hole of the sealing column, and the liquid flowing path is optimized. A plurality of water injection holes are uniformly formed, so that the liquid is uniformly distributed, and the cleaning effect is improved.

The application relates to the field of washing products, and provides a processing method of a high-altitude natural soda washing product based on a non-ionic surfactant, which comprises the following steps: preparing a washing liquid by using a quantitative feeding and stirring device, wherein the quantitative feeding and stirring device comprises a base, a stirring box and a recovery box, the stirring box is fixedly connected to the top wall of the base, a transmission cavity one and a stirring cavity are formed in the stirring box, a driving mechanism is arranged in the transmission cavity one, a stirring mechanism is arranged in the stirring cavity, a quantitative feeding mechanism is arranged on the stirring box, two or more recovery cavities are formed in the recovery box, the recovery box is connected to the base, a liquid supply pipe and a discharge valve are connected to the inner wall of the stirring cavity, the liquid supply pipe is connected to an external liquid supply device, and a heating device is arranged in the stirring cavity. The application can improve the production efficiency and automation degree of the washing liquid, and the produced washing liquid has the advantages of environmental protection, mildness, strong decontamination, and strong economy.

The invention discloses a flow self-adaptive distribution joint system for a parallel two-phase flow cooling system, which is characterized in that a converging section is connected with an external liquid supply system of the two-phase flow cooling system, a shunting section is connected with a parallel cooling branch of the two-phase flow cooling system, and cooling liquid subjected to self-adaptive distribution flows into the parallel cooling branch; the throttling section and the distribution adjusting section jointly achieve flow self-adaptive distribution of the cooling system. According to the scheme, the flow resistance of the high-flow branch is increased by utilizing the characteristic that the throttling of the throttling section causes large local resistance loss, and then the elastic film is guided to deform by utilizing the flow characteristic that the static pressure of the high-flow branch in the distribution adjusting section is low, so that the flow section of the high-flow branch is reduced, and the flow resistance of the high-flow branch is further increased; and the low-flow branch flow is adaptively improved. The flow self-adaptive joint is simple and compact in structure and high in reliability, is completely decoupled from a rear-end evaporator form, can realize flow regulation and control of a parallel two-phase flow cooling system, and improves the cost-efficiency ratio and the stability of equipment operation.

The invention belongs to the technical field of nuclear reactor engineering tests, and particularly relates to a rod bundle fuel assembly testing device. The device comprises a pressure channel, a simulation rod bundle arranged in the pressure channel, and a neutron imaging system arranged outside the pressure channel. The cross section of the pressure channel is in a regular hexagon shape, a lengthened pipe assembly is designed on the upper portion of the pressure channel, the simulation rod bundle is composed of a plurality of electric heating rods, and an outlet pipeline and an inlet pipeline are arranged at the upper end and the lower end of the pressure channel respectively and used for being connected with an external liquid metal loop. According to the invention, high-heat-flux heating of the reactor core can be simulated under the condition of liquid metal cooling, so that the thermal hydraulic phenomenon in the reactor core channel can be accurately simulated.

The application provides a container type water-cooled data center and a control method, and belongs to the technical field of temperature control. The container type water-cooled data center comprises a computing power service cabinet system, a pump station control system, a plate unit and a power distribution cabinet unit arranged in a container, and further comprises an external liquid cooling system. The computing power service cabinet system comprises a plurality of independently operated modules, each module comprises a plurality of server cabinets, each server cabinet corresponds to a power distribution branch, the plurality of power distribution branches in the same module are collected into the same power distribution bus, the plurality of power distribution buses in the plurality of modules are collected into the same power distribution bus, and the power distribution bus is provided with a current switch for controlling the power distribution bus. The liquid cooling system cools and dissipates heat for the computing power service cabinet system through circulation of a medium. The plate unit serves as a bypass branch of the liquid cooling system and undertakes the heat exchange function of the liquid cooling system in part or in whole. The pump station control system provides power for the circulation of the medium. The application has high integration, small space occupation, high density in unit space, and is safe and reliable.

This utility model discloses a slurry precise proportioning and mixing device, which includes a material cylinder, a liquid feeding unit and a solid feeding unit on the material cylinder, and a solid-liquid mixing unit inside the material cylinder. The liquid feeding unit, the solid feeding unit and the solid-liquid mixing unit are all electrically connected to a measurement and control unit. The liquid feeding unit includes a water pump connected to an external liquid storage tank. The water pump is connected to the material cylinder through a connecting pipe, and a first solenoid valve and a flow sensor are installed on the connecting pipe. The solid feeding unit includes a feeding unit, and a feeding hopper is installed below the feeding unit. A feeding valve is installed at the bottom of the feeding hopper. The feeding valve includes a valve plate that opens and closes the feeding valve by horizontal extension and retraction. A weighing platform is installed on the valve plate. The bottom of the feeding hopper is connected to the material cylinder through a material conveying unit. This solution can achieve precise control of the ratio of solid materials and liquid materials, so as to reduce the proportioning error and improve the consistency of materials.

This invention proposes a baby bottle in which a screen is installed inside the dispensing chamber. When milk flows from the receiving chamber into the dispensing chamber, it passes through the screen, which separates air bubbles from the milk, allowing the milk to flow directly into the dispensing chamber. This prevents air bubbles from entering the dispensing chamber, ensuring that the milk entering the dispensing chamber is bubble-free and thus preventing infants from drinking milk containing air bubbles, avoiding bloating, hiccups, and other issues. A waterproof component covers the pre-reserved groove, preventing external liquids from entering the mounting groove and protecting the internal electronic components. A sealing component further abuts against the waterproof component, further improving waterproof performance. Ultrasonic treatment of the fixing component creates a sealed connection between the bottom shell and the bottle body, further improving sealing. The ultrasonic treatment also ensures that the bottom shell and bottle body are bonded and fixed together as a single unit, enhancing waterproof performance.

The utility model relates to a shell-and-tube condenser with an adjustable pipeline installation structure, which comprises a condenser main body, the outer wall of the condenser main body is communicated with a first joint elbow, one end of the first joint elbow is communicated with a first rotary joint, and the other end of the first joint elbow is communicated with a second rotary joint. A first U-shaped pipe and a second U-shaped pipe which are connected through a second rotating joint are respectively communicated with a first joint elbow and a second joint elbow under the matching of the first rotating joint and a third rotating joint, and one end of the first joint elbow is communicated into an inner pipe shell of the condenser main body; the second connector elbow is connected with an external liquid output device through a connector at one end of the second connector elbow, so that the relative distance between the second connector elbow and the first connector elbow can be changed within a certain range by horizontally moving the second rotary connector, and the situation that a pipeline is too long or too short, and consequently a transfer connector needs to be externally connected is replaced. Therefore, the assembling efficiency of equipment is improved, time and labor are saved, and use and maintenance are convenient.

The invention belongs to the technical field of coal mine water locking experiments, and particularly relates to an integrated external liquid characteristic adaptive water locking experimental device and experimental method.The integrated external liquid characteristic adaptive water locking experimental device comprises a sample cylinder, an air pump and an air cylinder set, a connecting port of the air pump is connected with the interior of the sample cylinder through a first high-pressure connecting hose, and a first electromagnetic valve is installed on the first high-pressure connecting hose; the port position of the gas cylinder group is connected with the interior of the sample cylinder through a second high-pressure connecting hose, a second electromagnetic valve is mounted on the second high-pressure connecting hose, a liquid containing bin is mounted in the sample cylinder and close to the top end, a mounting plate is fixed in the liquid containing bin, and at least one third electromagnetic valve is arranged in the mounting plate; and uniform liquid distribution holes are uniformly formed in the bottom of the liquid storage bin. The device can accurately regulate and control the temperature of the external liquid, realizes the pore structure of the coal body, effectively overcomes the defect of insufficient parameter regulation and control capability of the existing device, and can vividly simulate the influence of the underground complex environment on the performance of the external liquid.

The invention relates to the technical field of electronic equipment heat dissipation, and provides a liquid cooling charging module heat dissipation device and a heat dissipation method thereof.The liquid cooling charging module heat dissipation device comprises a liquid cooling heat dissipation substrate, a plurality of groups of liquid cooling pipeline allocation plates, a plurality of groups of liquid cooling integrated pipelines, a liquid cooling pipeline cover plate and a cold insulation plate; the liquid cooling integrated pipelines are arranged in the liquid cooling pipeline allocation plates, the multiple liquid cooling pipeline allocation plates are arranged on the lower side of the liquid cooling heat dissipation substrate, the upper side of the liquid cooling heat dissipation substrate is fixedly connected with the charging module body, and the liquid cooling pipeline cover plates are arranged on the lower sides of the liquid cooling pipeline allocation plates. The inlet and outlet pipelines of the liquid cooling integrated pipelines are communicated with an external liquid cooling pipeline system through the liquid cooling pipeline cover plate, the cold insulation plate is arranged on the lower side of the liquid cooling pipeline cover plate, and each liquid cooling integrated pipeline is provided with a cooling liquid inlet located in the central area of the liquid cooling heat dissipation substrate and extends outwards to form a heat dissipation path. According to the invention, the heat of the charging module center can be rapidly and accurately cooled.

The ecological floating ball natural ventilation device comprises an air supply cylinder and a fixing plate, mounting grooves are symmetrically formed in the upper end of the inner side face of the air supply cylinder, one-way valves are fixedly connected into the mounting grooves, and the bottom of the inner side of the air supply cylinder is symmetrically connected with one ends of air guide pipes; and meanwhile, the upper end of the outer side face of the air supply cylinder is fixedly connected with a fixing plate, confluence grooves are correspondingly formed in the positions, opposite to the one-way valves, of the inner side face of the fixing plate, penetrating grooves are symmetrically formed in the surface of the fixing plate, and meanwhile the two ends of the penetrating grooves communicate with the corresponding confluence grooves through flow guide grooves. According to the natural ventilation device, airflow can stably flow through the one-way valve through cooperation of the fixing plate, the penetrating groove, the flow guide groove and the confluence groove, external liquid is prevented from synchronously flowing into the air supply cylinder along with the airflow, the one-way valve can be prevented from being blocked by external sundries, and the stability of the natural ventilation device in use is improved.

The utility model relates to filling equipment, and provides battery electrolyte filling equipment which comprises an equipment main body, a lifting seat, a transmission line, a valve body and the like, a control panel is arranged on the equipment body, a lifting seat is arranged on the lower portion of the equipment body, a transmission line is installed on the upper portion of the lifting seat, a plurality of valve bodies are arranged on the upper portion of the equipment body, liquid inlet connectors and liquid outlet connectors are arranged on the valve bodies, and the liquid inlet connectors of the valve bodies are used for being connected with an external liquid supply device. According to the utility model, the spiral fluid director is integrated at the front end of the fluid injection needle, so that the electrolyte generates rotational flow motion, the path limitation of traditional single-point linear fluid injection is broken through, and under the rotational flow action, the electrolyte is uniformly diffused by 360 degrees along the inner wall of the battery and completely covers the edge area of a pole piece, so that the problem of non-uniform infiltration caused by a local'dry area 'is solved; meanwhile, bubble discharge is accelerated through centrifugal force, the difference of lithium ion deposition on the surface of the pole piece is remarkably reduced, the hidden danger of lithium precipitation is effectively inhibited, and the safety and cycle life of the battery are improved.

The flexible anal fistula mirror comprises an operation part and an intervention part which are sequentially connected from near to far, and at least part of the intervention part can be laterally bent and deformed so as to drive the direction of the far end of the intervention part to be adjustable; a liquid outlet channel penetrates through the intervention part in the far-near direction, and the liquid outlet channel forms at least two liquid outlets in the far end of the intervention part; the liquid outlet parameters of the at least two liquid outlets are set differently. The interventional component has bendability, bending control over the far end of the interventional component can be improved, and therefore an imaging device arranged at the far end of the interventional component can be effectively guided to move in the expected direction. External liquid can be sprayed out from the far end of the intervention component through any liquid outlet, and due to the fact that the liquid outlet parameters of the at least two liquid outlets are set differently, different liquid outlet effects can be achieved based on the same flexible anal fistula mirror, and therefore the use scenes of the flexible anal fistula mirror can be richer and more diversified.

This invention relates to the field of marine equipment technology, specifically to a marine weatherproof hatch cover with a buffer opening and closing mechanism. The cover includes a main body hinged to the top of a marine weatherproof hatch. Wing plates are fixed to both sides of the main body, and handles are fixed to the top surfaces of the wing plates. Support plates are fixed to both sides of the marine weatherproof hatch, and rubber buffer pads are fixed to the top surfaces of the support plates. A wing plate is fixed to the side of the support plate away from the marine weatherproof hatch. Insert blocks are inserted into the surfaces of the wing plates, with one end of the insert block inserted into the surface of the wing plate. The advantages are: the multi-layered sealing structure formed by the plug ring, rubber pad, and sealing rubber pad effectively prevents external liquid from seeping in, and the rubber buffer pad reduces the impact force during closing, providing a buffering effect. Simultaneously, the innovative limiting structure, utilizing the cooperation of components such as the insert block and handle, ensures that the hatch cover is not accidentally opened after closing, preventing accidental opening during ship turbulence.

The utility model discloses a water -cooling plate external liquid -cooling energy storage converter structure, including cavity cover, cavity, bottom plate subassembly, water -cooling plate, IGBT module, electric reactor and sealing strip, water -cooling plate is external in cavity outside, and the anti -condensation performance is strong, so that the device in the cavity can avoid the circuit safety distance that condensation led to becomes small, short circuit occurs, the corrosion of device condition, has improved the reliability of converter greatly, has good sealing performance, can effectively block the water or dust of cavity outside through IGBT installation opening and electric reactor installation opening and enter the cavity, prevent dust or water from entering the cavity after causing the device in the cavity to break down failure because of the influence of dust increase or water, thereby improved the reliability of complete machine.

The utility model discloses a built-in hemolytic agent bottle and hematology analyzer relates to medical instrument technical field, wherein the built-in hemolytic agent bottle includes solvent bottle, movable joint block and pipeline subassembly, solvent bottle includes mutually communicated bottle body and bottle cap, bottle body and bottle cap detachable connection, bottle cap far away from bottle body side is equipped with the movable mouth; the movable connector block is movably arranged at the movable opening, the movable connector block and the movable opening are arranged in a clearance mode, and the movable connector block is provided with a mounting hole which is formed in the thickness direction in a penetrating mode; the pipeline assembly is fixedly arranged at the mounting hole, one end of the pipeline assembly extends into the bottle body, and the other end of the pipeline assembly penetrates out of the mounting hole and is communicated with an external liquid system. According to the technical scheme, the problem that when a bottle cap of an existing built-in hemolytic agent bottle is screwed down, a pipeline is prone to being bent is solved.

The utility model provides an integrated server liquid cooling device for a seawater source ship. The integrated server liquid cooling device comprises an environment control module control box; the compression condensation module of the seawater source is connected with the ethylene glycol cooling module; the compression and condensation module and the ethylene glycol cooling module of the seawater source are respectively connected with a control box of the environment control module; the liquid-cooling cold plate is arranged in the data server, and the ethylene glycol cold supply module is connected with the liquid-cooling cold plate through an external liquid supply pipeline. The novel seawater source integrated server liquid cooling and cooling device for the ship is suitable for the marine environment of the ship, takes seawater as a basic cold source, is used for cooling the interior of a cabin server of a ship data center, has high reliability and can supply cold continuously.

The utility model discloses a liquid storage assembly and cleaning equipment, and the liquid storage assembly comprises a first liquid storage container which is provided with a first cavity; the second liquid storage container is arranged on the first liquid storage container, and the second liquid storage container is provided with a second cavity; the driving assembly is arranged on the first liquid storage container and / or the second liquid storage container, and the driving assembly is configured to convey external liquid into the first cavity and the second cavity.

The utility model relates to the technical field of oil pipe hanger testing, in particular to a casing hanger PR2 testing tool which comprises a testing derrick, the testing derrick is in a well shape and used for installing an oil pipe hanger, and when the oil pipe hanger is installed on the testing derrick, a plug is located in an upper pipeline of the oil pipe hanger. The oil pipe assembly is located in a lower pipeline of the oil pipe hanger. The oil pipe hanger and the oil pipe assembly form a sealed pipeline space through the plug; the oil pipe assembly is fixedly connected with the displacement end of the displacement assembly. The stress direction of the oil pipe assembly generated through displacement of the displacement assembly is in the pipeline length direction of the oil pipe hanger. A pressure test opening is formed in the plug, the pressure test opening is used for communicating an external liquid pump with a pipeline space of the tubing hanger, and the external liquid pump introduces liquid into the pipeline space through the pressure test opening. According to the utility model, the technical problems of hanger load cycle test, hanger internal pressure test and hanger temperature and pressure cycle test of the casing hanger according to the PR2 test standard are solved.

The invention discloses a battery pack. The immersion cooled battery pack includes at least one battery module. The battery module is provided with a plurality of battery units; the plurality of battery units are supported by the battery fixing seat and are electrically connected through a battery connecting component positioned in the liquid limiting shell; the liquid limiting shell is provided with a peripheral wall, a top wall face and a bottom wall face, and the top wall face and the bottom wall face are provided with interlocking structures so as to facilitate vertical stacking. And the liquid limiting shell, the end cover or the second interface module and the interface module jointly form a liquid-tight battery pack shell which is used for accommodating heat management liquid. The liquid storage tank module serves as a buffer tank to cope with the liquid volume change and serves as an external liquid communication interface, and the liquid storage tank module is located on the liquid-tight battery pack shell to serve as a gravity pressure head. The electric energy interface module transmits high-voltage electric energy of the battery pack to a downstream load.

The utility model discloses a spraying device for cleaning greasy dirt of an aluminum coil, which comprises a rack, connecting plates are hinged on two sides of the rack, spraying components are clamped at the end parts of the two connecting plates, the spraying components are positioned above an aluminum foil and are perpendicular to the advancing direction of the aluminum foil, and a driving device for driving the corresponding connecting plate to swing is arranged on one side wall of the rack; the spraying assembly comprises a spraying pipe, a plurality of spraying heads are linearly arrayed on the lower portion of the spraying pipe in the length direction of the spraying pipe, the spraying pipe is communicated with a connector, the connector is communicated with a hose, and the hose is communicated with an external liquid supply system. According to the aluminum foil spraying device, spraying decontamination is adopted, no damage is caused to the surface of aluminum foil, the spraying atomization strength can be adjusted according to actual requirements, the spraying pipe is convenient and rapid to install, the spraying pipe can be rotated through the shifting rod, the angle of the spraying pipe can be changed, the spraying angle of the spraying head can be changed, and different use conditions can be met.

The invention relates to the related technical field of carbon production powder grinding, in particular to a convenient-to-clean vertical powder grinding machine which comprises a box body, a driving box fixed to the box body, a powder grinding box arranged on the driving box, a cover body rotating on the powder grinding box and a discharging pipe fixed to the bottom of the powder grinding box. A first liquid inlet and a first liquid outlet are fixed to the box body, a second liquid inlet and a second liquid outlet are fixed to the grinding box, one end of the first liquid inlet is connected with external liquid, and an annular pipe body is arranged in an inner container of the grinding box; a cold source (water) is connected into the annular pipe body, the cold source absorbs heat in the powder grinding box, the absorbed cold source is guided out to the water tank, the cold source is guided into the annular pipe body again through the pump body in the water tank, it is guaranteed that the temperature in the powder grinding box is lowered, and therefore the situation that due to the high temperature, pulverized coal is softened and caked, electrostatic adsorption is increased, and the powder grinding efficiency is improved is reduced. The grinding efficiency is reduced; and the load of equipment is increased.

This invention relates to the field of air source heat pump technology and discloses an air source heat pump device, including a mounting housing and a refrigerant circulation system. The mounting housing includes at least two sets of heat dissipation chambers, which are not interconnected. Each heat dissipation chamber is equipped with an exhaust fan, an air outlet, and heat dissipation fins. During operation, at least one of the heat dissipation chambers has its exhaust fan on. Each heat dissipation chamber contains a connected heat exchanger, and the refrigerant circulation system's piping runs through both the heat exchanger and the heat dissipation fins. The heat dissipation chambers share the refrigerant circulation system's piping. The heat exchanger is used to transfer heat from the refrigerant circulation system's piping to an external liquid circulation system. Its advantage is that it can defrost in heating mode, ensuring heating performance, while requiring no additional energy consumption.

The invention provides a conveying pipeline which comprises an inner-layer pipe body, a heat preservation layer wrapping the outer side of the inner-layer pipe body and an outer protection layer wrapping the outer side of the heat preservation layer which are sequentially formed in the axial direction, and a three-layer composite structure is formed. The inner wall of the inner-layer pipe body is provided with spiral ribs spirally extending in the axial direction, so that fluid in the conveying pipeline forms spiral flow to reduce particle attachment and achieve self-cleaning; a micro liquid guide groove is formed in the side face of the spiral rib and used for guiding condensate water and / or accumulated liquid to be collected to the low point of the conveying pipeline in the preset installation posture, and an external liquid drainage connector can be arranged at the low point so that concentrated drainage can be achieved. The heat preservation layer can be made of aerogel composite heat preservation materials, and micro heating wires can be embedded in the heat preservation layer and used for preventing fluid in the conveying pipeline from being solidified under the low-temperature working condition. The outer protective layer can be a waterproof breathable composite layer to improve the adaptability of protection and condensation prevention. The pipeline has the heat preservation and insulation capacity, the self-cleaning capacity, the liquid guiding and discharging capacity and the anti-condensation capacity, and is suitable for cold and hot medium conveying scenes.

A bioreactor for cultivating and manufacturing three-dimensional biomaterials. The system comprises a housing that defines a controlled internal environment; one or more sensors for monitoring parameters such as temperature, humidity, pH, and light; and a mould support structure that is height-adjustable and rotatable, enabling multiple growth configurations. The bioreactor includes an internal and / or external liquid container, pumps, tubing, and a heater for fluid circulation and conditioning. An internal pump may provide agitation or directional flow. A processor regulates environmental and operational parameters to enable internal, external, or tidal growth modes. The bioreactor supports direct growth of biomaterials, such as bacterial cellulose, into pre-defined three-dimensional geometries, reducing post-processing and material waste.