91results about How to "Increased turbulence" patented technology

The invention belongs to the technical field of power station boiler waste heat recycling energy-saving equipment and relates to a plate-and-shell type coal economizer. The plate-and-shell type coal economizer comprises a corrugated plate heat exchange core body (1), a heat exchanger shell (2), a first and a second water inlet / outlet water tank (3, 3') and a first and a second exhaust gas inlet / outlet pipeline (4, 4'), wherein the corrugated plate heat exchange core body (1) is mounted in the heat exchanger shell (2), the first and second water inlet / outlet water tanks (3, 3') are respectively arranged at the upper and lower ends of the front side of the corrugated plate heat exchange core body (1), and the first and second exhaust gas inlet / outlet pipelines (4, 4') are respectively arranged at the upper and lower sides of the corrugated plate heat exchange core body (1). The plate-and-shell type coal economizer solves the problem that the length of a water passage needs to be increased to solve the problem of unapparent water heating due to the great difference between an exhaust gas density and a water density, and meanwhile, a corrugated passage at the exhaust gas side enables the exhaust gas flow turbulivity to be increased and the heat transfer efficiency to be improved; the blockage due to ash accumulation happens rarely, even if the ash is accumulated, the cleaning is easy to finish.

The utility model relates to the technical field of reaction kettle, concretely to a stainless steel reaction kettle for chemical production with high -efficient mixing, including base and reaction kettle body, the top of base is provided with mixing subassembly, the mixing subassembly includes with the fixed connection of first motor of the top of base, the output fixed connection of first motor has first rotary lever, utilizes mixing subassembly to make the raw materials in reaction kettle can change the movement approach in the process of stirring and mixing and enhance the mixing effect unceasingly, through the cooperation and setting of first rotary lever, connecting rod, flow guide cylinder and flow guide hole realize the structure of rotatable flow guide cylinder and flow guide hole to change the flow direction of raw materials unceasingly and flow alternately while stirring rod stirs and mixes raw materials, make the material form turbulent flow in the reaction kettle, avoid traditional single flow direction, through the baffle suppression two -axis rotation causes the circumferential flow, forced fluid to axial and radial diffusion, further enhance turbulent flow.

The utility model belongs to the technical field of heat exchangers, and particularly relates to a lean and rich liquid double-flow-channel heat exchanger which comprises a shell, a shell cavity is formed in the shell, and first liquid flows in the shell cavity. At least one baffle plate group is arranged in the shell cavity, the baffle plate group comprises a plurality of baffle plates, the baffle plates and the inner wall of the shell cavity are obliquely arranged, and through holes are formed in the surfaces of the baffle plates; the guide pipe is arranged in the shell cavity and penetrates through the through hole, so that the spiral cavity is formed in the guide pipe, the second liquid spirally flows in the spiral cavity, the flowing path of the second liquid in the guide pipe is increased, the heat exchange area of the second liquid in the guide pipe is increased, and therefore the heat exchange performance of the pipe side is improved. Meanwhile, the second liquid flowing spirally can generate certain centrifugal force, so that heat exchange between the second liquid and the inner wall of the guide pipe is more sufficient, and the heat exchange efficiency is further improved.

The utility model belongs to water treatment technical field, specifically discloses a perforated folded plate for sedimentation tank and the sedimentation tank of oblique installation perforated folded plate. The perforated folded plate is the plate -like structure of undulating extension and includes at least three folded plate tops of undulating top end and three folded plate bottoms of undulating bottom end, and the folded plate top of perforated folded plate is adjacent to the folded plate bottom and is provided with a plurality of folded plate holes on or close to the folded plate top. The water inlet and the water outlet of the sedimentation tank are separately arranged in the lower part and the upper part of the pool body, a folded plate support is fixed above the water inlet in the pool body, a plurality of aforementioned perforated folded plates are obliquely arranged on the folded plate support in the pool body, the folded plate top of the perforated folded plate faces upwards and the folded plate bottom faces downwards. The perforated folded plate top of the utility model is provided with the folded plate hole, and the sewage can flow upwards through the folded plate hole, which not only can increase the sedimentation area, but also can realize automatic sludge discharge, has the characteristics of simple structure, wide application range, high sedimentation efficiency and automatic sludge discharge.

This utility model discloses a heat exchanger and an air conditioner. The heat exchanger includes: fins; heat exchange tubes, which are inserted into tube holes and through which refrigerant flows; the fin unit includes: a flat region arranged circumferentially along the tube hole; a corrugated region surrounding the flat region, with at least one central corrugation opposite to the flat region along the length of the fin; and a transition region obliquely connected between the flat region and the corrugated region; wherein the diameter of the flat region is D, and the sum of the wavelengths of at least one central corrugation is λ, and D and λ satisfy the relationship: 0.9D≤λ≤1.1D. This increases the contact area between the fins and the heat exchange tube, thereby improving the heat exchange capacity between the heat exchange tube and the fins. The small slope formed by the intersection of the flat region and the central corrugation prevents residual water formation and creates a continuous drainage channel, allowing condensate to drain smoothly during evaporation and improving the heat exchange capacity during evaporation.

The utility model relates to the technical field of heat exchangers, in particular to a multi-layer staggered fin type heat exchanger which comprises a heat exchanger body, a first fluid box is arranged on the heat exchanger body, rotary fluid boxes are symmetrically connected to the two ends of the first fluid box, second fluid boxes are evenly arranged in the first fluid box at intervals, and the second fluid boxes are symmetrically connected to the rotary fluid boxes. The two ends of the second fluid box are each fixedly provided with a sealing insertion opening, the sealing insertion openings are tightly connected with the first fluid box and the rotary fluid box in an inserted mode, upper heat exchange fins and lower heat exchange fins are fixed to the upper end and the lower end of the second fluid box respectively, and the upper heat exchange fins and the lower heat exchange fins at the adjacent positions are arranged in a staggered mode. According to the multi-layer staggered fin type heat exchanger, the heat exchange fins are designed to be of a wave-shaped structure, the adjacent heat exchange fins on the upper layer and the lower layer are arranged in a staggered mode, the heat exchange area can be effectively increased, meanwhile, the structure is compact, meanwhile, turbulent flow is increased, and the heat exchange effect is ensured.

The utility model relates to tinned sheet production technical field especially relates to a kind of adjustable pickling tank for tinned sheet production line, including pickling tank and the adjustable support component of several settings along its length direction;Adjustable support component includes screw handle, screw rod, movable load block, hollow roll, first liquid guide slip ring, first communicating pipe, second liquid guide slip ring, second communicating pipe and suction pump.The utility model drives screw rod rotation by rotating screw handle, drives movable load block to move up and down in vertical sliding slot, to adjust the relative height of two hollow roll.This design allows operator to adjust the height of guide band gap according to strip thickness or process requirement, change the bending path of strip in tank, extend or shorten pickling time.Through the collaborative adjustment of multiple adjustable support components, wave shape or ladder shape trend can be formed, to adapt to pickling requirement of different plate shape.

This utility model relates to the field of vaporizer technology, specifically a heat exchange vaporization and pressure regulation integrated device, comprising: two frames, with uniformly distributed mounting plates fixedly connected to the inner side of each frame; a liquid inlet pipe at the bottom of one frame and a gas outlet pipe on one side of the frame; a heat exchange structure disposed between the two frames; and a pressure regulating structure disposed on one side of the heat exchange structure. By setting the heat exchange structure, the medium can flow in a spiral shape by setting guide fins inside the heat exchange tube, increasing the flow path and thus prolonging the contact time between the medium and the heat exchange tube, improving the heat absorption time of the medium. Simultaneously, by setting protrusions, the surface roughness of the guide fins can be increased, increasing the turbulence during the medium flow process, thereby improving the heat exchange effect.

The application provides a heat exchange tube and a heat exchanger. The heat exchange tube comprises a tube body (1), an inner tooth (2) is arranged in the tube body (1), the inner tooth (2) comprises a first inner tooth unit (21) and a second inner tooth unit (22) which are different in height and / or shape, the first inner tooth unit (21) and the second inner tooth unit (22) are arranged at intervals, and a fluid passage (3) is formed between adjacent first inner tooth units (21) and second inner tooth units (22). The heat exchanger has the heat exchange tube. The application solves the problems of excessive flow resistance of fluid, excessive pressure loss and limited heat exchange efficiency improvement caused by the continuous thread line structure in the prior art.

The utility model provides a water phase homogenizing tank for honey mustard sauce production, which relates to the technical field of water phase homogenizing tanks and comprises a tank body and a shaft rod, a hollow interlayer is arranged on the inner wall of the tank body, an electric heating device capable of heating the inside of the tank body is arranged in the hollow interlayer, an auxiliary device is arranged at the top end of the tank body, and the shaft rod is arranged on the shaft rod. The auxiliary device comprises a half gear and a horizontal gear, the horizontal gear is fixed at the top end of the tank body through a rotating shaft, the shaft rod can drive the pressure plate to move up and down in the tank body when rotating by means of meshing of the half gear and the horizontal gear, pressure is applied to the interior of the tank body through the pressure plate, and the pressure plate is driven to move up and down. According to the water-phase homogenizing tank, the flowing state of fluid in the tank body is changed, so that the relative movement between liquid layers is more violent, the turbulence degree is enhanced, the dissolving process is accelerated, layering of materials in the stirring process is avoided as much as possible, and the effect and efficiency of the water-phase homogenizing tank during material treatment are greatly improved.

The utility model discloses a heat conduction pipe provided with a heat dissipation core, and belongs to the technical field of heat conduction and heat dissipation. The heat conduction pipe provided with the heat dissipation core comprises a pipe body, a plurality of heat dissipation fins are arranged on the outer side of the pipe body, connecting pipes are installed at the two ends of the heat dissipation fins and the two ends of the pipe body, and connecting discs are installed on the outer sides of the connecting pipes. The heat dissipation mechanism comprises a center shaft, a heat dissipation core is installed on the outer side of the center shaft and is of a spiral structure, the outer side of the heat dissipation core is fixedly connected with the inner side of the pipe body, the multiple heat dissipation fins are distributed at equal intervals and are in a wave shape, the heat dissipation fins and the pipe body are integrally formed, and multiple flow guide holes are formed in the surface of the heat dissipation core; according to the utility model, the contact area and the retention time of a heat transfer medium and the heat dissipation core can be effectively increased, the transfer efficiency of heat in the pipe body is greatly improved, and the heat dissipation pipe has higher practical value.

The present application belongs to the field of environmental protection engineering construction technology, especially a hydrogen fluoride washing device, aiming at the operation of hydrogen fluoride washing tower, because the waste gas is not fully contacted with lye, and hard crystals are easily formed during the reaction, attached to the filler and tower wall, resulting in the blockage of the filler, the increase of system pressure drop, the increase of fan energy consumption, and the need for manual cleaning, which exists safety risk and affects the washing efficiency, the following scheme is proposed, including a washing tower body, an air inlet is formed on the outside of the washing tower body, and an air inlet pipe is fixedly connected inside the air inlet, an air outlet is formed on the top of the washing tower body. The hydrogen fluoride washing device disclosed by the present application has the beneficial effects of automatically removing the crystals in the tower by rotating spraying and brushing and scraping components, and periodically extruding the filler by using a pressure plate, which can shake off the crystals, enhance the turbulence to improve the purification efficiency, and realize automatic continuous operation, avoiding the high-risk manual cleaning.

The application provides a lithium battery step utilization energy storage device, and relates to the field of energy storage equipment.The lithium battery step utilization energy storage device comprises a base, a lithium battery cabinet arranged on the base, and a solar panel arranged above the lithium battery cabinet, and further comprises a rainwater collecting and heat dissipation system.The rainwater collecting and heat dissipation system comprises a rainwater collecting tank, a water-cooling heat dissipation assembly, and a driving assembly.The rainwater collecting tank is arranged below the solar panel, the top of the rainwater collecting tank is connected with the solar panel to collect rainwater, and the rainwater collecting tank is rotatably arranged.The water-cooling heat dissipation assembly is arranged on the lithium battery cabinet.When the temperature of the lithium battery abnormally rises, the system can automatically start within tens of seconds, and the stored rainwater is rapidly poured into the heat dissipation assembly, the water has a large heat capacity, and the heat dissipation assembly can effectively and rapidly absorb heat, so that the temperature rise of the lithium battery is effectively and rapidly inhibited, the chain reaction of thermal runaway is broken, and valuable time is gained for fault treatment.

This invention relates to the field of aero-engine technology, disclosing a combustion assembly and an aero-engine. The invention includes: a flame tube; an evaporator tube comprising a main pipe and several branch pipes, one end of the main pipe forming an evaporator tube inlet, the branch pipes corresponding to the other end of the main pipe, and the ends of the branch pipes away from the main pipe forming several evaporator tube outlets, which are located within the flame tube; and a fuel supply structure connected to the evaporator tube inlet. This invention, by arranging the branched evaporator tubes in a blood vessel-like pattern on the flame tube, increases the probability of fuel breaking up upon impact with the wall under the action of the branched structure, resulting in better fuel atomization. Simultaneously, because the branched evaporator tubes have a larger contact area with the hot wall surface, they absorb more heat, thus allowing the fuel to be heated more fully, thereby evaporating more fuel and ultimately improving combustion efficiency.

The utility model discloses a kind of convenient to clean's Undaria pinnatifida centrifugal cleaning device, including support box, outer cylinder and cleaning inner cylinder, the top of support box is provided with bearing table, the central position of bearing table is provided with outer cylinder, the inside of outer cylinder is rotatably installed with cleaning inner cylinder by rotating seat, and the center of outer cylinder bottom is provided with the conical tooth one of fixed connection with rotating seat, the side of support box is installed with servo motor, the output shaft of servo motor extends to the inner wall of support box and is installed with the conical tooth two of intermeshing with conical tooth one. The utility model drives conical tooth two and conical tooth one to engage by servo motor, drives cleaning inner cylinder to rotate, so that Undaria pinnatifida is evenly distributed under the action of centrifugal force, further improves the cleaning effect. The spray head evenly installed at pipe bottom can be all-around, dead-angle-free to Undaria pinnatifida for spray washing, ensure that every part can be fully cleaned.

The utility model discloses an MIM (metal injection molding) turbocharging blade, which relates to the technical field of turbocharging blades and comprises a connecting seat, a group of blades are fixedly connected to the annular side surface of the connecting seat, two reinforcing ribs are fixedly connected between the group of blades, a group of grooves for turbulent flow are formed in the surface of each reinforcing rib, and a fixing rod is fixedly connected to the lower surface of the connecting seat. A connecting shaft is arranged on the lower surface of the fixing rod, the annular side face of the fixing rod is sleeved with a threaded ring in a threaded mode, the grooves in the surfaces of the blades can disturb airflow, the airflow forms a specific flow state on the surfaces of the blades, and the change of the flow state can increase the turbulence degree of the airflow and promote mixing of boundary layers. When the airflow flows through the blades, the airflow can flow in a mode of being attached to the surfaces of the blades, separation of the airflow on the surfaces of the blades and generation of vortexes are reduced, air resistance is reduced, the aerodynamic efficiency of the blades is improved, and then the turbocharging effect is enhanced.

The utility model discloses a disposable filtering membrane bag, which comprises a shell and a filtering assembly, the filtering assembly comprises a liquid inlet piece, a liquid permeable piece and a filtering layer, the liquid inlet piece and the liquid permeable piece are in sealing fit, and the filtering layer is clamped and positioned between the liquid inlet piece and the liquid permeable piece. The liquid inlet piece is provided with a liquid inlet and a liquid outlet which are communicated with the liquid inlet side of the filtering layer, and the liquid permeating piece is provided with a liquid permeating opening communicated with the liquid outlet side of the filtering layer. The utility model aims to effectively avoid pollutant residues caused by repeated use, reduce the risk of cross contamination, save the cleaning and sterilizing time and reduce the maintenance cost.

The invention provides a coal-fired boiler ammonia-doped combustion compatible matching system based on radiation characteristic compensation, which relates to the technical field of boiler combustion and comprises an ammonia-doped combustion operation characteristic database construction module, a real-time operation optimization module and a performance evaluation and self-optimization module. According to the method, the ammonia-doped combustion operation characteristic database is constructed, then whether the boiler performance parameters are recorded or not is judged based on the key boiler parameters, and ammonia-doped strategy dynamic adjustment and wall temperature safety regulation and control are carried out based on the ammonia-doped combustion operation characteristic database and the boiler performance parameters. Finally, when the fuel enters the coal-fired boiler, the mixing condition of ammonia and coal is evaluated, whether the fuel mixing strategy is optimized or not is judged, meanwhile, the oxygen content condition of the coal-fired boiler is monitored and adjusted, the position of high-temperature flames in the boiler is adjusted and controlled through flexible grading of the ammonia / coal fuel, matching of heat transfer distribution in the boiler and the coal-fired working condition is achieved, and the coal-fired boiler is obtained. The ammonia-doped combustion compatibility matching effectiveness of the coal-fired boiler is improved, and the problem that the ammonia-doped combustion compatibility matching effectiveness of the coal-fired boiler is low is solved.

The utility model relates to a water quenching pool. The device comprises a tank body, a stirring mechanism, an aeration mechanism and a circulating cooling system, the stirring mechanism is installed in the tank body through a support, the stirring mechanism comprises a stirring shaft, stirring blades and a motor, the stirring shaft is rotatably installed on the support in the vertical direction, the stirring blades are installed on the stirring shaft in the axial direction of the stirring shaft, and the stirring shaft can be driven to rotate through the motor; the aeration mechanism is mounted at the bottom of the tank body, and air can be injected into water through the aeration mechanism, so that the cooling uniformity of the casting is improved; the tank body is further connected with a circulating cooling system, and the temperature of water in the tank body can be reduced through the circulating cooling system. According to the scheme, the uniformity of the water temperature in the pool can be improved, a heat insulation steam film is damaged during water quenching, water makes continuous contact with the surface of the casting, and the water quenching effect is guaranteed.

A high-efficiency cold hydrogenation fluidized bed reactor is characterized by comprising a lower head, a cylinder and an upper head; a material inlet is arranged at the bottom of the lower head, and a gas distributor is arranged above the material inlet; a mixture of silicon tetrachloride and hydrogen enters from the material inlet and is uniformly distributed through the gas distributor; a silicon powder inlet, a silicon powder outlet and a plurality of bubble breakers are arranged above the gas distributor. By symmetrically arranging guide vanes, the airflow forms an "eight" symmetrical direction flow in a single grid block and forms a rotating flow between multiple grid blocks; the reverse arrangement of the guide vanes of the upper and lower bubble breakers makes the bubbles form a rotating cutting when passing through the grid block, which can effectively reduce the diameter of the bubbles and prevent the gas from re-agglomerating into bubbles along the vertical direction after breaking; meanwhile, the residence time of the material can be increased, and the turbulent flow degree of the material in the reactor can be increased, so that the flow field in the cold hydrogenation fluidized bed reactor can be improved, and the conversion efficiency of trichlorosilane can be improved.

The invention discloses a raw material bin self-exhausting dust suppression device, and relates to the technical field of dust suppression devices.The raw material bin self-exhausting dust suppression device comprises a material bin, the material bin is arranged on the ground, a hole is formed in the upper wall face of the material bin, and a dust collection chamber is fixedly installed on the hole. A plurality of metal square plates are arranged in parallel in a manner that the lengths of the metal square plates are gradually increased, and a labyrinth channel with a complex structure is formed in the dust suppression chamber. When dust-containing airflow passes through from bottom to top, the direction and the speed must be changed for multiple times, the airflow passes through the dense round hole arrays on the different metal square plates in sequence, and the probability of collision and condensation between dust particles and the wall surfaces of the metal plates and between the particles is greatly increased through the multi-stage and gradient blocking structure. Compared with a traditional structure with a single aperture or a simple baffle plate, the dust collector has the advantages that the primary dust separation efficiency is remarkably improved, and the load of a rear-end filtering assembly is reduced.

A slope section differential energy dissipation structure belongs to the technical field of hydraulic engineering structures and is characterized in that a bottom plate and at least one group of stilling piers are sequentially arranged on a slope section at the upstream of a stilling pool of a release structure from bottom to top. The stilling piers are arranged in a plum blossom shape, and the whole stilling piers are in a barb body shape perpendicular to the water flow direction. The baffle piers enable water flow to turn and collide with each other behind the piers, so that turbulent fluctuation of the water flow is increased, the water flow is divided into a plurality of small water strands, flow velocity distribution is adjusted, the water flow is discharged group by group, friction with the water flow is increased, roughness of a slope section is increased, energy is dissipated along a flow space, energy dissipation efficiency is improved, and downstream scouring of hydraulic structures such as gate dams and the like can be improved. The scouring damage of discharged water flow to the stilling pool, the apron and the riverbed is relieved, the efficient energy dissipation effect is achieved, and the requirements of engineering safety and the like are met.

This invention relates to the field of heat exchange technology and discloses a spiral plate heat exchanger with a segmented cylinder. The heat exchanger includes a heat exchanger body, two sets of spiral plates spirally wound around each other inside the heat exchanger body, and a segmented cylinder coaxially embedded within the cavity enclosed by the two sets of spiral plates. A segmented rubber plate is fixedly installed inside the segmented cylinder. This spiral plate heat exchanger with a segmented cylinder, through the spiral wound spiral plates forming interlaced and spaced hot and cold material channels, significantly extends the fluid flow path and increases the effective contact area between hot and cold fluids, resulting in more thorough and uniform heat exchange. Simultaneously, through the synergistic effect between the adjustment mechanism and the segmented rubber plate, the curved, wavy structure formed by the segmented rubber plate actively changes the fluid flow path and state, forcing the fluid to form continuous disturbance and backflow within the channels, fundamentally improving the problems of low heat exchange efficiency and uneven heat exchange in traditional channels.

According to embodiments of the present disclosure, an immersion liquid cooling system is provided, comprising: an immersion tank for containing a cooling liquid and electronic equipment to be cooled, the electronic equipment to be cooled being at least partially immersed in the cooling liquid, and a gas cavity being formed in the immersion tank above a liquid surface of the cooling liquid; a heat exchange unit for cooling the cooling liquid by using an external cold source; and a bubble generating device comprising a gas pump, a gas suction pipe, a gas discharge pipe, and a bubble discharge passage, the gas pump being connected to the gas suction pipe and the gas discharge pipe to suck gas via the gas suction pipe and discharge gas via the gas discharge pipe, a gas suction port of the gas suction pipe being arranged in the gas cavity, the gas discharge pipe being connected to the bubble discharge passage, the bubble discharge passage being arranged below the electronic equipment to be cooled, and the bubble discharge passage comprising a plurality of gas injection holes for injecting gas bubbles towards the electronic equipment to be cooled.

This utility model discloses a cooling tank structure for a plastic extruder, belonging to the field of extruder technology. The utility model includes a cooling tank body, with a bottom plate welded to the bottom surface of the inner wall of the cooling tank body. Adjustment grooves are formed on both sides of the outer wall of the cooling tank body. One end of the cooling tank body is connected to a water outlet pipe. A spray assembly is slidably fitted onto the adjustment groove. The spray assembly includes a slider, a bracket welded to one side of the slider, a conveying pipe mounted on the top of the bracket, a row of nozzles mounted on the conveying pipe, and a water supply pipe connected to the middle of the conveying pipe. A row of guide plates is welded to the bottom plate. A water inlet assembly is installed at the other end of the cooling tank body. The water inlet assembly includes a water inlet pipe, one end of which is connected to a guide bucket, and a flow straightener is mounted at one end of the guide bucket. Through the cooperation of the bottom plate, spray assembly, guide plates, and water inlet assembly, the guide plates are arranged at equal heights and from low to high along the inclined bottom plate, forming a stable cascading effect, enhancing water flow turbulence and mixing, and improving cooling uniformity.

The utility model relates to a reaction kettle for mixing a composite herbicide, and belongs to the field of herbicide production. The mounting shells are fixedly connected to the left side and the right side of the kettle body respectively, the air cylinders are fixedly connected to the inner bottom walls of the mounting shells, the fixing plates are fixedly connected to the top ends of piston rods of the air cylinders, the mounting plate is fixedly connected between the upper surfaces of the fixing plates on the left side and the right side, and a stirring structure for mixing herbicide is arranged on the upper surface of the mounting plate; the stirring structure comprises a servo motor fixedly connected to the upper surface of the mounting plate and a transmission rod fixedly connected to an output shaft of the servo motor. According to the reaction kettle for mixing the composite herbicide, through meshing transmission of the transmission gear and the driven gear, simultaneous rotation of the first stirring paddle and the second stirring paddles on the two sides is achieved, the rotation directions are opposite, and therefore three-dimensional fluid movement is formed; and comprehensive contact and rapid mixing of the raw materials are promoted.

The utility model discloses a double inert gas mixer, which relates to the technical field of mine fire prevention and extinguishment and comprises a shell, a lining pipe is arranged in the shell, a medium input pipe I communicated with the inside of the lining pipe is mounted on the outer wall of the shell along the tangential direction, and the medium input pipe I is used for conveying gas into the lining pipe. According to the double-inert-gas mixing device, when gas is input into the lining pipe through the medium input pipe I, the mixing impeller rotates due to the gas pressure difference, the turbulence degree of the gas can be greatly enhanced through the rotating motion, meanwhile, the gas input by the medium input pipe II is dispersed all around after flowing through the conical cover, and therefore the turbulence degree of the gas is greatly improved. And when the dispersed gas is conveyed rightwards, the dispersed gas is mixed with the gas input by the medium input pipe I, so that the two gases are mutually fused in different flowing paths, the mixing effect is greatly improved, and the mixing efficiency is improved.

This invention belongs to the field of water treatment technology, and particularly relates to a multimodal circulating integrated water pollution treatment device. It includes a treatment tank, to which a fixed frame is fixedly connected. A first frame and a second frame are mounted on the fixed frame. Several pairs of mounting plates are fixedly connected to both the first and second frames, with the mounting plates on the first and second frames arranged alternately. Each pair of mounting plates is fixedly connected to a packing element. A driving mechanism is provided on the fixed frame to drive the first and second frames to move relative to each other. An adjusting mechanism is also provided on the fixed frame to control the distance between each pair of mounting plates. This invention achieves this by cyclically moving two corresponding packing elements on adjacent mounting plates up and down relative to each other, thereby scraping away impurities adhering to their surfaces, ensuring the cleanliness of the packing elements, and extending their service life.

The utility model discloses a kind of heat exchange tube and reboiler, the heat exchange tube includes tube body and heat transfer layer, the heat transfer layer is located at the inner surface or outer surface of the tube body, the heat transfer layer is equipped with multiple helical grooves and helical protruding parts of alternate arrangement, each the helical protruding part is equipped with groove group on. The utility model its structure can effectively increase heat exchange area and enhance heat exchange effect. Meanwhile, the three-dimensional porous structure of the utility model significantly enhances boiling heat transfer, wherein the heat transfer layer includes multiple helical grooves and helical protruding parts of alternate arrangement, the groove group cooperation on the surface of the helical groove and the helical protruding part makes the rotating flow of the medium to be heated when flowing, enhances turbulence degree, realizes the promotion of heat transfer efficiency.

The utility model discloses a kind of heat exchange fin structures for plate heat exchanger unit, including heat exchange fin body, heat exchange fin body includes by upper to lower sequentially arranged fluid inlet, shunt area, heat exchange area, confluence area and fluid outlet, wherein, the surface of the heat exchange fin body is coated with anti-fouling coating;The heat exchange area is composed of several fluid channels in whole herringbone shape, fluid channel includes first wave-shaped flow channel in wave shape and second wave-shaped flow channel, which is communicated with first wave-shaped flow channel and oppositely arranged to form herringbone with first wave-shaped flow channel.The utility model not only is not easy to scale, heat exchange efficiency is high, and can effectively reduce fluid resistance.