48results about How to "Reduce heat transfer efficiency" patented technology

The utility model belongs to the technical field of oil-gas separation, and particularly relates to an oil-gas separation and recovery device which comprises a venturi ejector, a high-pressure gas source, a cold air source and a recovery component, and the venturi ejector is provided with an oil steam inlet, a high-pressure gas inlet, a cold air inlet and an output port. The high-pressure gas inlet and the output port are oppositely formed in the two ends of the Venturi ejector, the oil steam inlet and the cold air inlet are formed in the side, close to the high-pressure gas inlet, of the throat pipe, and oil steam, high-pressure gas and cold air are introduced into the Venturi ejector through pipelines. The venturi ejector is connected with an output pipeline at an output port of the venturi ejector, and the recovery assembly is arranged on the output pipeline. High-pressure gas is introduced into the Venturi ejector, negative pressure is generated in the Venturi ejector to suck oil steam and cold air, the oil steam and the cold air are fully mixed at the throat pipe, the condensation phase change effect of an oil-gas mixture in the throat pipe and a follow-up pipeline is improved, and condensed oil drops are collected through the recovery assembly.

The invention provides a vertical power module heat dissipation device and method and an aircraft, and belongs to the technical field of aircrafts, and the heat dissipation device comprises a heat exchanger fairing and a heat exchanger; the heat exchanger fairing is in a streamline shape with two sharp ends and a wide middle, the two ends of the heat exchanger fairing are fixedly arranged on the power arm body, and heat exchanger heat dissipation openings are formed in the top of the heat exchanger fairing and located below the forward-rotating propeller and the reverse-rotating propeller. Driving motor modules of the forward-rotating propellers and the reverse-rotating propellers are located in the heat exchanger fairing, and heat exchanger heat dissipation channels are formed between the inner side wall of the heat exchanger fairing and the two sides of the top of the power arm body; the heat exchanger is arranged in the heat exchanger fairing, and cooling fins of the heat exchanger are arranged at heat dissipation openings of the heat exchanger. And a hot liquid inlet and a cold liquid outlet of the heat exchanger are respectively connected with a cooling liquid outlet pipe and a cooling liquid inlet pipe of the driving motor module. The problem that in the prior art, a heat dissipation structure is arranged outside a power arm, and flight resistance is caused to cruise flight of an aircraft can be solved.

This utility model discloses a scale removal device for plate heat exchangers, relating to the technical field of plate heat exchangers. It includes a fixed clamping plate, a fixed guide rod fixedly connected to the lower right side of the clamping plate, several plates slidably connected to the upper side of the guide rod, and fixed plates fixedly connected to the upper and lower right ends of the plates. Telescopic rods are fixedly connected to the inner sides of both fixed plates, and lifting plates are fixedly connected to the ends of the two telescopic rods. Springs are sleeved on the surfaces of the telescopic rods. Scrapers are fixedly connected to the middle positions of both sides of the lifting plate, and trapezoidal frames are fixedly connected to the upper and lower ends of both sides of the lifting plate. A fixed brush is fixedly connected to the outer end of the trapezoidal frame away from the lifting plate. This utility model, by incorporating a fixed plate, telescopic rods, lifting plate, springs, scrapers, a fixed pipe, a second solenoid valve, a fixed brush, and a pressurizing pipe, avoids disassembling the plates, effectively reducing workload, and simultaneously effectively removing deposited scale.

The application discloses a hot-press bonding head and a bonding device, relates to the technical field of chip bonding, and aims to solve the problem that the upper and lower surfaces of an existing liquid cooling plate have a significant temperature difference, which easily causes thermal bending deformation, thereby affecting bonding precision and quality. The hot-press bonding head comprises a supporting base, a liquid cooling plate is arranged on one side of the supporting base, a cooling flow channel is arranged in the liquid cooling plate, a heating disc is arranged on the side of the liquid cooling plate opposite to the supporting base, and the liquid supply pipeline and the gas supply pipeline of a heat exchange system are selectively in fluid communication with the inlet of the cooling flow channel. In the case that the heating disc is heated, the gas supply pipeline is in fluid communication with the inlet of the cooling flow channel, so that the gas is continuously supplied into the cooling flow channel. In the case that the heating disc stops heating, the liquid supply pipeline is in fluid communication with the inlet of the cooling flow channel, so that the cooling liquid is continuously supplied into the cooling flow channel. The application is used for reducing the risk of liquid cooling plate thermal bending deformation caused by the inconsistent temperature rise of the upper and lower surfaces of the liquid cooling plate.

The invention discloses a refrigerant dynamic charging process based on complete machine simulation operation, and belongs to the technical field of air conditioners and heat pumps. The problem that existing refrigerant charging depends on a static target value and cannot adapt to system individual differences and working condition changes in a self-adaption mode is solved. According to the process, a digital twinborn simulation model of a to-be-charged air conditioning system is constructed, the system is started to operate under a preset simulation working condition, and a first operation parameter is collected to initialize and calibrate the model; dynamically filling the refrigerant according to a preset step length, continuously collecting a real-time second operation parameter, and feeding the real-time second operation parameter back to the model; on the basis of real-time data, the model performs online fitting on a changing curve of parameters such as the supercooling degree and the superheat degree along with the charging amount, and predicts the refrigerant amount when the energy efficiency ratio of the system reaches the optimal as the optimal charging target; and when the parameters collected in real time and the extreme value region predicted by the model converge, it is judged that filling is completed. According to the system and the method, 'tailoring 'type dynamic accurate charging aiming at each specific air conditioning system is realized, and the charging precision and the system operation energy efficiency are remarkably improved.

The utility model belongs to heat exchange equipment technical field, specifically, relate to a detachable heat exchanger. Detachable heat exchanger includes the pipe box, integral double tube plate and casing by detachable mode coaxial connection in proper order, be provided with U -shaped heat exchange pipe in casing, both ends of U -shaped heat exchange pipe all pass through integral double tube plate and with the inner chamber of pipe box is connected.

The utility model provides a battery pack which comprises a battery pack and a box body, the box body comprises a bottom plate, the battery pack is arranged on the bottom plate, the battery pack at least comprises a first battery row and a second battery row which are arranged in the direction perpendicular to the bottom plate, and each of the first battery row and the second battery row at least comprises two stacked cylindrical batteries. The stacking direction of the cylindrical batteries is perpendicular to the axial direction of the cylindrical batteries; a partition plate is arranged between the first battery row and the second battery row, the first battery row is arranged at the upper part of the partition plate, and the second battery row is arranged at the lower part of the partition plate; a gap is formed between the side wall of the cylindrical battery arranged at the end of the second battery row and the box body, and a heat insulation piece is further arranged in the gap and attached to the side wall of the cylindrical battery arranged at the end of the second battery row. The battery pack can keep the temperature of the battery pack stable, and the overall service life of the battery pack is prolonged.

The utility model relates to a kind of fluorine-lined pipeline with temperature-resistant anti-deformation structure, the fluorine-lined pipe of its inner layer, fluorine-lined pipe is made of polytetrafluoroethylene material, its inner wall is smooth, for transporting corrosive medium;The reinforcing structure layer of middle layer, reinforcing structure layer includes high-strength steel wire framework spirally wound along the length direction of fluorine-lined pipe, and high-temperature resistant resin material filled in the gap of steel wire framework, steel wire framework and high-temperature resistant resin material solidification are integrated, to enhance the compression resistance and anti-deformation ability of pipeline;The protective layer of outer layer, protective layer is the outer tube of stainless steel material, outer tube is tightly set in the outside of reinforcing structure layer, for protecting internal structure and further improving the overall strength of pipeline, heat insulation buffer layer is set between fluorine-lined pipe and reinforcing structure layer, heat insulation buffer layer is ceramic fiber felt material, its thickness is 5-10mm, by this design, the heat conductivity coefficient of ceramic fiber felt still keeps low level with temperature rise, 5mm thickness can make heat conduction efficiency reduce more than 60%.

The utility model provides a heat dissipation structure of a blowing type component, which comprises a main body, the main body is provided with an air inlet, a main air duct and an air outlet which are communicated with one another, the main air duct is internally provided with a fan assembly and a heating assembly in sequence, and one end of the heating assembly close to the air outlet is internally provided with an installation cavity. A mounting cavity is formed in the main body, a sensing assembly is arranged in the mounting cavity, a cold air duct communicated with the mounting cavity is further arranged in the main body, and the other end of the cold air duct is communicated with cold air in the main air duct or outside the main body, so that the cold air in the cold air duct can continuously blow through the sensing assembly to absorb and take away heat on the sensing assembly; the heat dissipation effect of the induction assembly is greatly improved, the use stability of the induction assembly is ensured, the service life of the induction assembly is prolonged, the structure is simple, the production cost is low, and the practicability is higher.

The utility model relates to the technical field of plastic extruders, in particular to a novel power-saving wet and dry heat conduction oil plastic plasticizing extruder which comprises an extruder body, a heating structure is arranged on the extruder body and comprises a plurality of heat exchange sleeves and baffles, the extruder body is fixedly connected with the heat exchange sleeves, fixing structures are arranged on the heat exchange sleeves, and the baffles are arranged on the baffles. Two baffles are clamped to the heat exchange sleeve, a plurality of short pipes are fixedly connected to the heat exchange sleeve, one ends of the short pipes located on one side of the heat exchange sleeve are fixedly connected with the same second transverse pipe, one ends of the short pipes located on the other side of the heat exchange sleeve are fixedly connected with the same first transverse pipe, and an oil inlet pipe is fixedly connected to the first transverse pipe. An extrusion screw rod is mounted in the extruder body; when oil dirt is formed in the heat exchange sleeve, the baffle can be rapidly detached from the heat exchange sleeve, then the oil dirt in the heat exchange sleeve can be cleaned, the situation that the heat conduction efficiency is reduced by the oil dirt is avoided, and therefore the heating effect is effectively guaranteed.

This invention provides an inverted liquid-cooled battery pack and its assembly method, including a battery module and a cooling assembly. The battery module includes at least one cell group, with the cells within the cell group electrically connected via conductive busbars. The cooling assembly includes a cooling plate, on which the battery module is inverted, allowing direct heat exchange between the conductive busbars and the cooling plate, thus shortening the heat transfer distance. A thermally conductive elastic pad can be placed between the cooling plate and the conductive busbars, using the battery module's own weight to press it down, while fasteners further secure the battery module to the cooling plate, increasing the contact area. A support member is provided between the cooling assembly and the cell group, with mounting grooves, placement grooves, and support holes for accommodating the thermally conductive elastic pad and the conductive busbars, and for the tabs to pass through and connect to the conductive busbars. The support member also has vent grooves, which, in conjunction with the cooling plate, form an exhaust channel to guide the electrolyte out when the explosion-proof valve ruptures. This invention offers high heat dissipation efficiency, good compatibility, and low manufacturing cost.

The utility model discloses a kind of thermal power plant boiler waste heat depth recycling device, it is related to heat recovery technical field, including bottom box, the top of bottom box is provided with top plate, the inside of top plate is provided with first serpentine pipe, one end of first serpentine pipe is communicated with first water inlet pipe, the other end of first serpentine pipe is communicated with first water outlet pipe, the connecting place of top plate and bottom box is provided with heat conduction sheet, the bottom of the front of bottom box is penetrated with air inlet pipe, the bottom end of air inlet pipe is penetrated with ash pipe, the end of air inlet pipe is connected with second serpentine pipe, the inside of second serpentine pipe is provided with multiple rolling balls, the utility model is provided with a series of structures, realize the cleaning of pipe cavity inner wall soot, to reduce the probability of pipe cavity inner wall thickening, reduce the probability of device heat conduction efficiency low due to pipe cavity wall too thick, to realize the depth utilization of device top heat, avoid the waste of device top heat.

The utility model discloses a fuel cell system and a vehicle. The fuel cell system comprises at least one group of electric piles, a first preheater, a second preheater, a combustor and an air input unit, the electric pile comprises a first electric pile; the first electric pile comprises a first cathode inlet; the first preheater comprises a first inlet, a second inlet and a first outlet; the second preheater comprises a third inlet, a fourth inlet, a second outlet and a third outlet; the air input unit is communicated with the first inlet through a first pipeline and is communicated with the first cathode inlet through a second pipeline; the first outlet is communicated with the third inlet; the second outlet is communicated with the first cathode inlet; a combustion outlet of the combustor is communicated with the fourth inlet; the third outlet is communicated with the second outlet. According to the technical scheme, on one hand, low-cost materials can be selected for machining, and the cost of hot parts is reduced; and on the other hand, the design difficulty and the manufacturing cost of the hot part are reduced by reducing the heat exchange efficiency and the heat load of the hot part.

This utility model belongs to the field of valve technology, specifically relating to a high-temperature resistant intelligent butterfly valve, including a valve body. An upper valve stem is rotatably connected to the top of the valve body, and a lower valve stem is rotatably connected to the bottom of the valve body. A valve plate is detachably connected between the upper and lower valve stems. An upper mounting bracket is fixedly connected to the outer top of the valve body, and a drive motor is fixedly connected to the top of the upper mounting bracket. A connecting mechanism is provided between the shaft of the drive motor and the top of the upper valve stem. The beneficial effect of this utility model is that by providing heat dissipation fins in the connecting mechanism, the contact area between the upper valve stem and the drive motor shaft can be reduced, thereby reducing the heat transfer efficiency between the upper valve stem and the drive motor and preventing the drive motor from having a reduced service life due to excessive temperature. Simultaneously, the heat dissipation fins increase the contact area between the upper and lower valve stems and the air, improving heat dissipation efficiency and thus enhancing the high-temperature resistance of the butterfly valve.

The application provides a box-type transformer substation and power transmission equipment, and belongs to the technical field of power equipment. The box-type transformer substation comprises a box body and a ventilation window. The box body is provided with a window. The ventilation window comprises a plurality of blades arranged at intervals from top to bottom in the window. Each blade can rotate around its own axis. Any two adjacent blades have a ventilation state with a flow gap therebetween and a heat preservation state in which the two blades are lapped to seal the box body. In the heat preservation state, any two adjacent blades are lapped to each other and form a closed heat preservation chamber. The application forms a closed heat preservation chamber by lapping the blades, uses the static air layer in the chamber to achieve efficient heat insulation, guarantees the ventilation and heat dissipation demand in a high-temperature environment, provides reliable heat preservation effect in a low-temperature environment, and is beneficial to improving the environmental adaptability of the box-type transformer substation under severe working conditions.

The invention discloses a battery device, a heat insulation assembly and a power utilization device, and relates to the technical field of batteries, the battery device comprises the heat insulation assembly and a plurality of battery monomers, the plurality of battery monomers are arranged in sequence, the heat insulation assembly is arranged between the adjacent battery monomers, the heat insulation assembly comprises a shell, a phase change material piece and a supporting piece, the shell is provided with a liquid outlet and an air inlet, and the liquid outlet is communicated with the phase change material piece. The air inlet is located above the liquid outlet, the phase change material piece is arranged in the containing cavity and changes phases between a liquid state and a solid state, the solid-state phase change material piece blocks the air inlet and the liquid outlet, the liquid-state phase change material piece opens the air inlet and the liquid outlet and discharges the air through the liquid outlet, and the supporting piece is an elastic piece and is arranged in the containing cavity. By arranging the heat insulation assembly, the risk of thermal runaway spreading is reduced, by arranging the gas inlet and the liquid outlet in the shell, the risk of pyrolysis product accumulation is reduced, the contact thermal resistance can be ensured after the phase change material piece is discharged, and meanwhile, the structure of the battery device can be simplified.

The utility model discloses a light source module, a photoacoustic sensor and gas detection equipment, the light source module comprises a tube shell, one end of the tube shell is closed, and the other end of the tube shell is open; the optical filter comprises a first optical filter and a second optical filter which are fixedly arranged on the tube shell, the second optical filter is connected with the tube shell in a sealing manner, so that a closed space is formed between the second optical filter and the closed end of the tube shell, and the first optical filter is fixedly arranged in the closed space; the light source is arranged in the closed space and located between the first optical filter and the closed end of the tube shell, and the direction of the light source faces the open end of the tube shell; wherein the second optical filter, the first optical filter and the light source are arranged at intervals. The light source module can prevent the side wall of the optical filter from leaking light and reduce the influence of environment temperature and humidity on the sensor, and temperature and humidity compensation is not needed.

The utility model provides an anti-deformation warm edge spacer, belonging to the technical field of insulating glass fittings, which comprises: a pipe body, a pressure difference adjusting unit and a stabilizing unit; both the pressure difference adjusting unit and the stabilizing unit are arranged on the pipe body; the pressure difference adjusting unit is arranged on the outer surface of the top of the pipe body and is used for balancing air pressure changes; the stabilizing unit is arranged inside the pipe body and is used for ensuring the overall stability of the structure and preventing the structure from deforming due to external forces. By adopting the above-mentioned anti-deformation warm edge spacer, the overall structural stability is improved through the stabilizing unit, thereby increasing the anti-deformation ability.

The application relates to the technical field of aerosol generating equipment, in particular to a heating body and a heat-not-burn device. The heating body comprises a heating core body configured to be excited to generate heat, and a heat conduction member with a mounting cavity, wherein the heating core body is arranged in the mounting cavity to transfer heat to the heat conduction member; an air guide channel is arranged on the outer surface of the heat conduction member to reduce the contact area between the heat conduction member and an aerosol generating article and to heat the heat conduction member to generate a hot air flow, so that the aerosol generating article is heated by the convection of the hot air flow and the radiation of the channel wall of the air guide channel. Since the air guide channel is arranged on the heat conduction member, the contact area between the heat conduction member and the aerosol generating article is reduced, the risk of local overheating is reduced, and the possibility of affecting the flavor of the aerosol due to heating of the heating body is reduced. The air guide channel can also improve heating uniformity through convection heating and radiation heating, further ensuring the flavor of the aerosol.

This utility model belongs to the field of building door and window technology, specifically to a high-performance aluminum alloy system door, including a low threshold, a door frame, a door leaf, and glass. The low threshold includes an interior threshold profile and an exterior threshold profile. Each of the interior and exterior threshold profiles has a cavity. A thermal insulation strip connects the interior and exterior threshold profiles. The interior threshold profile is higher than the exterior threshold profile, and on the interior side of the interior threshold profile, it has a rounded corner and its upper surface slopes upwards to the other side. A threaded hole wall is provided in the inner cavity of the upper surface. The upper surface of the exterior threshold profile has anti-slip textures, and a threaded hole wall is also provided in the inner cavity of its upper surface. In this utility model, the structural design of the low threshold, through the natural transition between high and low slopes and the cross-sectional design of the double-layer sealing structure, avoids dust accumulation or tripping hazards at right-angle bends, while ensuring unobstructed passage for wheelchairs and strollers.

The utility model relates to the technical field of quartz crucible production, in particular to a quartz crucible forming rod which comprises a hollow forming rod body, the forming rod body is provided with an outline matched with a quartz crucible and comprises a bottom end and a top end, and a plurality of positioning grooves are formed in the bottom end of the forming rod body; the forming rod tip is movably arranged at the bottom end of the forming rod body, one end of the forming rod tip is located in the bottom end of the forming rod body and can be selectively clamped into any one of the multiple positioning grooves, and the other end of the forming rod tip is located outside the bottom end of the forming rod body so that the forming rod body can be positioned at different positions. The forming rod can be positioned at different positions by adjusting the tip of the forming rod so as to be matched with different thicknesses of the inner-layer quartz sand and the outer-layer quartz sand during preparation of the quartz crucible, so that frequent replacement of the forming rod is avoided, and the operation process is simplified.

The present application relates to the technical field of electrochemical energy storage battery, in particular to a liquid-cooled energy storage PACK structure, which provides a liquid-cooled energy storage PACK structure, comprising a box body, the box body comprising a bottom plate and a box cover, the inside of the box body being a sealed integrated cavity, a pressure relief valve, a maintenance switch, a fire nozzle, a negative electrode connector, a communication connector, a positive electrode connector, a liquid-cooled water inlet and a liquid-cooled water outlet being arranged at the right end of the outside of the box body, an integrated liquid-cooled plate being fixed to the upper surface of the bottom plate, the liquid-cooled water inlet and the liquid-cooled water outlet being communicated with the integrated liquid-cooled plate respectively, a plurality of battery cell modules being arranged in the box body, electrical components and a module upper cover being arranged at the upper end of the battery cell modules, and a sealing assembly being arranged in the box body.The present application has the advantages of efficient, uniform temperature, reliable, high-integrated thermal management and structure integration design.

This utility model discloses a high-temperature bottle clamp, comprising a base, multiple holding units, a cylinder, and a metal piston. Each holding unit includes two parallel first connecting rods, one end of which is rotatably connected to the base, and gripping fingers rotatably connected to the other ends of the two first connecting rods. A support arm is provided on one of the first connecting rods. A second connecting rod is provided between the support arm and the piston. Heat-insulating guide sleeves are provided at each rotatable connection position of the first connecting rod and each rotatable connection position of the second connecting rod. The self-made cylinder with a metal piston improves heat resistance, is cheaper to manufacture, and has a longer service life. The first and second connecting rods with heat-insulating guide sleeves extend the heat transfer distance between the bottle clamping end and the cylinder. Simultaneously, the heat-insulating guide sleeves reduce heat transfer efficiency, further reducing the impact of high temperatures on the cylinder's airtightness and movement accuracy.

The utility model belongs to the technical field of vacuum emulsification tanks, and discloses a vacuum emulsification tank which comprises a vacuum emulsification tank body, a feeding pipe and a discharging pipe are arranged at the top end and the tail of the vacuum emulsification tank body respectively, and a motor is fixedly connected to the top end of the vacuum emulsification tank body. The output end of the motor penetrates through the inner cavity of the vacuum emulsification tank body, the end of the output end of the motor is fixedly connected with a homogenizing head, the bottom end of the inner cavity of the vacuum emulsification tank body rotates, and the interior of the vacuum emulsification tank body is divided into a vacuum area and a stirring area from top to bottom. According to the scheme, the problems that in the using process of an existing emulsification tank, materials can be gasified in a heating environment, gasified substances cannot be collected through reasonable means, the gasified substances are directly discharged, the recovery rate is low, and air and water sources are polluted are solved.

The utility model discloses a high-temperature-resistant plug. The high-temperature-resistant plug comprises a shell; the circuit board is arranged in the shell, one side of the circuit board is fixedly connected with a pin seat, one side of the pin seat is fixedly connected with a flat plug, and the end part of the flat plug penetrates out of the bottom of the shell; the gasket assembly is arranged on the outer side of the flat plug in a sleeving manner; the shell and the pin gasket are made of PBT materials, the heat-resistant temperature is 180-200 DEG C, the cost and the structural stability are both considered, and the high-temperature environment is adapted; the gap between the flat plug bottom shells is filled with the flat plug core, the flat plug core forms a heat insulation layer between the flat plug bottom shells, the heat conduction efficiency is reduced, and the overall heat resistance is improved. The plug pin sealing silica gel pad is in interference fit and tightly attached to the flat plug, water is prevented from permeating along the plug pin, the sealing strip is extruded at the joint of the face shell and the bottom shell, a second waterproof barrier is formed, and the sealing performance is improved.

The utility model provides an anti-static packaging box for an integrated circuit. The anti-static packaging box comprises a box body, a partition assembly and a sealing cover plate. The box body comprises a side plate and a bottom plate, the side plate is in a square frame shape, the bottom plate is fixedly connected to the bottom side of the side plate, the side plate comprises a polyvinyl chloride plate, a first tin foil piece and a first wear-resistant coating layer, the polyvinyl chloride plate is fixedly connected with the bottom plate, the first tin foil piece is fixedly connected to the inner side of the polyvinyl chloride plate, and the first wear-resistant coating layer is fixedly connected to the bottom plate. The first wear-resistant coating layer is arranged on the inner side of the first tin foil sheet; the separation assembly is fixedly connected to the inner side of the side plate, and the separation assembly is perpendicular to the bottom plate; according to the utility model, the interior of the box body is divided into a plurality of parts through the separation assemblies, the box body and the separation assemblies are both provided with the tin foil sheets, and the tin foil sheets block static electricity, so that external static electricity can be prevented from being introduced and accumulated on the integrated circuits, and static electricity damage caused by friction between the internal integrated circuits can be avoided; and the electrostatic protection effect is further improved.

The utility model relates to the technical field of green plum wine production discloses a kind of fermentation devices for green plum wine production, including heat preservation fermentation barrel, the heat preservation fermentation barrel top is provided with barrel cover, heat preservation fermentation barrel inside is provided with rotating pipe component, the barrel cover top is provided with rotating cover component, the rotating cover component one side is provided with motor gear component, rotating cover component top is provided with circulating pump machine, the rotating pipe component top one end is provided with heat exchange connecting pipe through rotating cover component, rotating pipe component top other end is provided with pump machine connecting pipe through rotating cover component, the circulating pump machine top is provided with heat exchanger;The utility model heat preservation fermentation barrel component can reduce the heat exchange efficiency of barrel wall and outside, to avoid temperature stratification in barrel further, and can adjust plum wine temperature in barrel by rotating pipe component, so that temperature is more uniform respectively, ensure that yeast activity is consistent, shorten fermentation period, improve production efficiency.

A hyperbolic cooling tower, relating to the field of cooling tower technology, includes: a tower body, comprising an air inlet formed at its lower part for allowing external air to flow in, and an air outlet formed at its upper part for discharging airflow; a heat exchange layer, including a heat exchange module; the heat exchange module having: a packing portion formed by stacked packing sheets, the packing sheets having through holes, and corresponding through holes stacked in the packing portion forming a receiving cavity; a heat exchange tube disposed in the receiving cavity, the heat exchange tube having a tube body, and multiple radially outwardly extending fins on the outer circumference of the tube body, the multiple fins being arranged along the length direction of the heat exchange tube, the spacing between two adjacent fins being greater than or equal to 4.5 mm; a gap forming between two adjacent fins to allow water droplets to pass through; and a spray section disposed on the upper side of the heat exchange layer, the spray section being used to spray hot water onto the heat exchange layer. This utility model provides a novel design concept for hyperbolic cooling towers.

The utility model belongs to the technical field of 3PE anti-corrosion steel pipes, and discloses a 3PE anti-corrosion steel pipe which comprises a pipe body, a protective sleeve is arranged on the outer side of the pipe body in a sleeved mode, a temperature-sensitive color-changing plate is arranged on the protective sleeve, the temperature-sensitive color-changing plate penetrates through the protective sleeve and is tightly attached to the outer wall of the pipe body, and a pressure-bearing ring assembly is arranged on the outer side of the protective sleeve. The high-temperature-resistant protective layer of the protective sleeve is made of a high-temperature-resistant material and can resist the high temperature of 200-300 DEG C, the efficient heat insulation layer is made of a high-heat-insulation material, the heat conduction efficiency is greatly reduced, the high-temperature-resistant bonding layer is tightly combined with the 3PE anti-corrosion layer through a high-temperature-resistant bonding agent, and the temperature-sensitive color-changing plate is made of a high- Stable color change can be achieved within a certain temperature range, the surface temperature of the pipeline is visually reflected through the temperature-color corresponding identification on the surface, and workers can rapidly judge the temperature state of the pipeline visually without the help of complex equipment and find potential safety hazards in time.

The utility model belongs to the technical field of incinerator waste gas treatment, and particularly relates to an online ash removal TO direct-fired incinerator waste gas treatment system. Comprising a TO direct-fired incinerator, a waste gas preheater and a sound wave ash removal device. An oxidizing chamber is arranged in the TO direct-fired incinerator, and an ash collecting hopper is arranged at the bottom of the oxidizing chamber; the waste gas preheater is arranged at the top of the TO direct-fired incinerator, a shell pass inlet of the waste gas preheater is directly communicated with a flue gas outlet of the TO direct-fired incinerator, and a shell pass outlet of the waste gas preheater is connected to a rear-end dust remover; a tube pass is located in the waste gas preheater, an inlet of the tube pass is connected with a waste gas source through a waste gas blower, and an outlet of the tube pass is communicated to a combustion area of the TO direct-fired incinerator through a gas inlet pipeline; the sound wave ash removal device is installed on the waste gas preheater shell, and accumulated ash attached to the outer wall of a tube pass is stripped through sound wave high-frequency vibration. According to the utility model, efficient on-line ash removal is realized, and the heat exchange efficiency and continuous operation of equipment are guaranteed.