469results about How to "Smooth discharge" patented technology

The application provides a concrete mixing tank discharge structure, which comprises a discharge pipe, a pushing disc and a discharging disc. The discharge pipe is arranged at the bottom of the tank body and communicates with a discharge opening. A discharge opening is formed in the outer circumferential surface of the discharge pipe. The pushing disc is slidingly arranged in the discharge pipe. The pushing disc is drivingly connected with a driving assembly, so as to move the pushing disc to the upper side or the lower side of the discharge opening. The discharging disc is sleeved on the outer circumferential surface of the discharge pipe and is located at the lower side of the discharge opening. The discharging disc is provided with a through hole, and the through hole is connected with a discharging pipe. The discharging pipe is connected with a valve body. When the discharge pipe is blocked, the pushing disc is driven upward by the driving assembly, so that the blocked material is pushed back into the tank body to participate in the mixing process again, thereby avoiding the adhesion of the concrete from being coagulated into blocks. The concrete mixing tank discharge structure provided by the application can significantly improve the stability of the mixing state concrete discharge process, ensure the normal use of the concrete and improve the processing efficiency of the concrete.

The utility model provides a jaw crusher which comprises a base, a crusher body is arranged on the base through a support, a support stretching across the upper side of the crusher body is arranged on the base, a feeding box is vertically arranged on the support in a vibrating mode, the lower end of the feeding box is in a contractive prismatic table shape, a feeding port is formed in the top of the feeding box, and a discharging barrel is arranged at the bottom of the feeding box. And a control valve is arranged on the discharging barrel. According to the jaw crusher disclosed by the utility model, not only can the basic requirement of crushing and processing materials be met, but also the feeding amount can be automatically controlled, the workload of workers is reduced, and the overall efficiency of crushing and processing the materials is improved.

The utility model provides a deep sea net cage grouper delivery promoting device which comprises a machine frame, a floating block and a net cage, a moving mechanism is arranged at the bottom of the machine frame, the bottom of the machine frame is connected with a supporting plate, wire winding mechanisms are arranged at the two ends of the supporting plate respectively, the wire winding mechanisms are connected with a fishing net bag through pull ropes, a discharge pipe is arranged on the side face of the bottom of the fishing net bag, and a valve is arranged on the discharge pipe. A fixed supporting frame is arranged on the top surface of the floating block, a guide groove is formed in the top of the fixed supporting frame, a net cover is arranged on the top of the guide groove, a first pressing plate is connected to the inner wall of the fixed supporting frame through a first electric push rod, a horizontal plate is connected to the top of the supporting frame and slidably connected with a movable supporting frame, and a second pressing plate is connected to the inner wall of the movable supporting frame through a second electric push rod. According to the grouper fishing device, the fishing net bag is driven by the line winding mechanism to fish groupers, the working efficiency is improved, the two ends of the groupers are fixed through the first pressing plate and the second pressing plate, the groupers are prevented from jumping in the process of injecting the delivery promoting medicine, the amount of the injected medicine is guaranteed, and the delivery promoting effect is improved.

The utility model relates to the technical field of rolling devices, and discloses a rolling device for processing oolong tea, which comprises three groups of support legs and a rolling disc fixed among the three groups of support legs, a rolling mechanism is arranged above the rolling disc, the rolling mechanism is connected with the three groups of support legs, and the rolling mechanism is connected with the rolling disc. According to the rolling device for oolong tea processing, in the discharging process, the material blocking disc is kept in an inclined state and generates high-frequency vibration on the material blocking disc, and oolong tea leaves can be more effectively discharged; in this way, the tea leaves can be discharged more smoothly, gathering on the material blocking disc is reduced, the requirement for manual interference is lowered, the labor intensity is relieved, the tea leaves fall from the periphery of the material blocking disc and can fall on the material guiding shell, and it is ensured that the tea leaves can completely fall into the material guiding shell.

The application provides a riverway sediment sampling device, belonging to the technical field of riverway sediment sampling, which comprises a shell and sampling barrels. The bottom of the shell is slidably connected with two sampling barrels which are oppositely arranged with openings. The shell is internally provided with wedge blocks. The wedge blocks and the inner wall of the shell are provided with springs. The two wedge blocks are provided with trapezoidal blocks. In the above scheme, the wedge blocks, the springs and the sampling barrels are arranged. The two sampling barrels are folded. The design of the spring enables the sampling barrels to continuously maintain the state of mutual extrusion. The closure between the two sampling barrels is tight. When the compact sediment is stuck between the two sampling barrels, the rubber diaphragm is bulged to one side to increase the available storage space in the sampling barrel, thereby further accommodating the sediment, enabling the sampling barrel to be smoothly closed, and enabling the sample to be smoothly collected.

The application discloses a mesoporous carbon preparation process with recyclable silicon source and mesoporous carbon with small pore size and large specific surface area. The mesoporous carbon preparation process comprises the following steps: preparing a silicon template: reacting a fluosilicic acid solution with calcium carbonate, and separating calcium fluoride precipitate and silica sol; the pH of the silica sol is 2-5; the concentration of silicon dioxide in the silica sol is 1-8 wt%; preparing a precursor: dissolving a carbon source and an organic acid in the silica sol, drying, grinding, and carbonizing in an inert atmosphere to obtain a C / Si precursor; the organic acid comprises at least one of oxalic acid, tannic acid, acetic acid and citric acid; removing the silicon template and recycling the silicon source: treating the C / Si precursor with hydrofluoric acid, and performing solid-liquid separation to obtain mesoporous carbon and a fluosilicic acid solution, wherein the fluosilicic acid solution is used for preparing the silicon template. The specific surface area of the mesoporous carbon is greater than 800 m 2 / g, and the pore size is less than 6 nm.

The utility model discloses a kind of steel slag pulverizer, including shell assembly and axle core component, shell assembly is hollow cavity, axle core component is located in its and both coaxial;Axle core component contains driving connection part, upper cone cylinder part etc., upper and lower cone cylinder part outside sleeve polishing sleeve, and the inner wall of shell assembly forms polishing passageway. Shell assembly is connected by upper, middle and lower shell flange, upper shell top flange plate can be dismantled and can adjust axle core component swing amplitude, lower shell has discharge port;Polishing sleeve has connecting shell outside, and its clamping structure corresponds with discharge port. The device can efficiently and uniformly polish steel slag, discharge smoothly, maintain conveniently, and is suitable for steel slag processing field.

This invention relates to the field of slag removal in vertical shaft construction, and discloses a centrifugal adaptive slag discharge device for deep vertical shaft excavation. A rotating shaft is rotatably mounted within the slag discharge channel, and an axially extending oil passage is provided inside. A drive mechanism is connected to the rotating shaft, and the load of the drive mechanism changes according to the state of stone accumulation in the slag discharge channel. At least three agitator blades are hinged to the rotating shaft, and an elastic reset member is provided between the agitator blades and the rotating shaft. The agitator blades remain in a retracted state when the rotating shaft rotates at low speed or stops, and unfold under centrifugal force when the rotating shaft rotates at high speed, overcoming the elastic reset member. Oil injection holes are provided on the agitator blades and communicate with the oil passage, used to throw out lubricating oil from the oil passage when the rotating shaft rotates at high speed. The beneficial effect of this invention is that, through the inherent coupling relationship between the load and rotation speed of the drive mechanism, fully automatic closed-loop control is achieved, reducing equipment production and operating costs.

The application discloses a steam generator with multiple modules and a control method. The steam generator comprises a first steam generating unit and a second steam generating unit, the first steam generating unit is provided with a first steam outlet, the second steam generating unit is provided with a second steam outlet, and the first steam outlet and the second steam outlet are in time-sharing switchable communication with a steam discharge main channel; one of the first steam generating unit and the second steam generating unit is in communication with the steam discharge main channel to discharge steam, and the other is disconnected from the steam discharge main channel to generate and accumulate steam, and the states of the two are time-sharing switched; the steam generating unit in the steam discharging state is powered off, and steam output is maintained by using waste heat. The steam generator and the control method provided by the application can work with the power consumption value of a single steam generating unit, and continuous and stable high-pressure steam can be provided through asynchronous working and timely switching without increasing the total power consumption of the steam generating unit.

The utility model discloses a kind of non-ferrous metal wastewater detection processing devices of hydrometallurgy, it is related to metal wastewater treatment technical field.The utility model includes liquid storage barrel, the inside of the liquid storage barrel is provided with cleaning mechanism.The utility model is provided with cleaning mechanism, after detecting wastewater solution, when driving motor drives rotating rod rotation, it will drive connecting sleeve and multiple scrapers to carry out synchronous rotation, and then make three scrapers to the dirt on the inner wall of liquid storage barrel is washed, ensure that the neatness of the environment in liquid storage barrel and the clarity of liquid solution, prevent the wastewater solution to be detected subsequently received pollution, in the process of connecting sleeve rotation, it will drive three sliding rods to carry out synchronous rotation, sliding rod drives internal screw block to rotate, so that internal screw block will move upwards or downwards when rotating, so that the inner wall of liquid storage barrel is washed by the cleaning brush on three connecting rods, cooperate three scrapers to further improve the cleaning effect of overall device.

The invention relates to the field of soil remediation, in particular to a soil crushing, dosing and mixing device for soil remediation. According to the soil conditioner, soil and a chemical conditioner can be more sufficiently and uniformly mixed, the concentration of heavy metal ions in the soil is more effectively reduced, and therefore the treatment efficiency of the soil is more effectively improved. The invention discloses a soil crushing, dosing and mixing device for soil treatment. The device comprises supporting legs, a working box, a feeding hopper and the like, a working box is fixedly connected between the tops of the two supporting legs, and the top of the working box communicates with a feeding hopper. According to the device, the extrusion frame rotates and reciprocates up and down to extrude, crush and disperse soil, so that small-particle soil enters the working box along the extrusion frame, and a chemical modifier sprayed by a plurality of spraying nozzles of a pesticide spraying pipe is in uniform contact with the dispersed soil, so that the concentration of heavy metal ions in the soil is reduced; the soil treatment efficiency is improved.

The invention relates to the field of agricultural product processing equipment, in particular to a pot body overturning structure and an automatic discharging device based on the pot body overturning structure, the pot body overturning structure comprises a machine body and a pot body assembly, and the pot body assembly is rotationally connected to the machine body; the pot body overturning assembly drives the pot body assembly to overturn around the rotation center of the pot body assembly, and the pot body overturning assembly comprises a servo motor, transmission teeth and an arc-shaped gear ring; the controller is arranged on the machine body; the sensor group is used for detecting the position state of the pot body assembly after overturning and resetting, and the controller is used for controlling the pot body overturning assembly to execute overturning and resetting actions according to a signal fed back by the sensor group. After processing is completed, the pot body overturning assembly automatically enables the pot body assembly to conduct overturning discharging, manual participation in discharging operation is not needed, the production efficiency is improved, safety is higher, the discharging process is controllable and low in impact through a buffer block and a buffer plate, and the complete shape and quality of discharged tea leaves are effectively kept.

This invention relates to the technical field of emulsion explosive packaging, and more particularly to a processing device for emulsion explosives. A feeding pipe is located in the middle of the machine body, connecting to an external feeding device. A mounting plate is fixedly connected to the top of the machine body, and a cylindrical block is located at the bottom of the mounting plate. The lower end of the feeding pipe passes through the cylindrical block. Symmetrical sliding blocks are provided on the mounting plate, and clamping arc blocks are slidably connected to the sliding blocks. A bidirectional threaded rod is rotatably connected to the mounting plate, and the bidirectional threaded rod is threadedly connected to the sliding blocks. A dual-axis motor is mounted on the mounting plate, and the dual-axis motor is connected to the bidirectional threaded rod. This solution effectively solves the problem of powder splashing and scattering during existing powder bagging processes, ensuring the health of operators and meeting industrial production safety and environmental protection requirements. The dual-axis motor and bidirectional threaded rod drive the clamping arc blocks to clamp the pre-made bag opening, and in conjunction with a piston rod and air cylinder, inflates the airbag block, sealing the gap between the bag opening and the cylindrical block.

The application relates to the technical field of battery packs and specifically provides a battery pack and a power utilization device. The battery pack comprises a box body and a battery pack; the box body comprises a frame and a bottom plate, the bottom plate is arranged at the bottom of the frame, the frame is provided with an exhaust port, the bottom plate is provided with a plurality of grooves at intervals and forms an exhaust passage, the exhaust passage is in communication with the exhaust port; the battery pack is arranged in the box body, and the bottom plate supports the battery pack; the battery pack comprises a plurality of battery cells, the battery cells are provided with explosion-proof valves, the explosion-proof valves are arranged towards the bottom plate, and the explosion-proof valves at least partially project and coincide with the exhaust passage. In the application, the plurality of grooves are arranged at intervals on the bottom plate to form the exhaust passage, the explosion-proof valves on the battery cells are arranged towards the exhaust passage, high-temperature gas and eruption matter sprayed from the explosion-proof valves can be timely discharged from the exhaust passage and smoothly discharged from the battery pack through the exhaust port in the case of thermal runaway, exhaust blockage is prevented, thermal runaway is prevented from further spreading, and the safety of the battery pack is ensured.

The utility model discloses a tubular electric tar precipitator relates to industrial waste gas treatment equipment technical field, it includes casing, inlet pipe, sedimentation pipe subassembly, corona pole, sedimentation pipe subassembly contains a plurality of sedimentation pipes, still includes upper head, lower head, airflow equalizer, tar collection tank, drain pipe, heating jacket and sealing door, and the gas that waits for processing enters casing through inlet pipe, is evenly distributed to each sedimentation pipe by airflow equalizer, under the electric field effect that corona pole generates, and tar is adsorbed in the inner wall of sedimentation pipe, and then is collected to tar collection tank, and heating jacket prevents tar solidification, and is discharged through drain pipe, the utility model discloses has improved tar trapping efficiency and equipment stability, and the practicality is strong, is suitable for industry popularization.

This utility model discloses a stirring device for a vertical continuous cooker, installed inside the cooker, including: a scraping mechanism, a transmission mechanism, and a drive mechanism; the scraping mechanism includes a connecting sleeve, a guide seat at the top of the connecting sleeve, and several scraping arms at the bottom of the guide seat, one end of each scraping arm extending to the inner side of the top of the cooker's outlet flange; a guide plate is provided at the bottom of the scraping arms and along the outer periphery of the connecting sleeve, and a material-pulling claw is provided at the bottom of the connecting sleeve; the transmission mechanism includes an output shaft, the scraping mechanism being connected to one end of the output shaft of the transmission mechanism via the connecting sleeve, and the other end of the output shaft being connected to the drive mechanism. This device can prevent the slurry from depositing at the bottom of the cooker, forming clumps that tightly adhere to the bottom surface, allowing it to be dispersed and discharged from the cooker through the normal flow of slurry, reducing slurry accumulation at the outlet and preventing blockage.

The utility model discloses an electronic valve and refrigeration equipment relates to refrigeration control technical field, wherein, electronic valve electronic valve, including lower valve seat subassembly, upper valve seat subassembly, valve needle subassembly and silencer, and lower valve seat subassembly is equipped with the intercommunication and valve mouth, and the valve cavity is formed with upper valve seat subassembly together, valve needle subassembly can be installed in upper valve seat subassembly, is used for opening and closing valve mouth, silencer is located in valve needle subassembly periphery, and its lateral wall is equipped with the sound attenuation hole, and the bottom is sealed butt joint with valve mouth circumference, and the upper end is spaced apart with upper valve seat subassembly, forms the flow passage of refrigerant circulation. Through setting up the silencer with the sound attenuation hole around the valve mouth, the big bubble in the refrigerant is refined into the small bubble, reduces the noise when its breakage, realizes efficient noise reduction. Since the main noise source concentrates in the valve mouth area, this arrangement can realize accurate noise reduction, and improve the overall mute performance. The flow passage formed between the silencer and upper valve seat subassembly helps impurities to be discharged with the refrigerant smoothly, avoids entering the transmission component gap.

The invention relates to the technical field of injection molding equipment, in particular to injection molding shoe integrated injection molding equipment which comprises a base, a first electric telescopic rod is fixedly mounted on the side wall of the base, a first bottom block is fixedly mounted at the telescopic end of the first electric telescopic rod, a nozzle is fixedly mounted at the top of a bottom plate, and a vertical plate is welded to the top of the bottom plate; a second electric telescopic rod is fixedly mounted on the side wall of the vertical plate, a second bottom block is fixedly mounted at the telescopic end of the second electric telescopic rod, a mounting frame is fixedly mounted at the top of the second bottom block, two symmetrical semicircular push rods are slidably arranged in a center through hole of a limiting ring, and after injection molding operation is completed, the semicircular push rods retract backwards. The gas is synchronously pressurized and guided into a nozzle runner, so that part of high-temperature melt is helped to be discharged, and the detained melt can be quickly cooled; and aiming at the detained melt with stronger bonding force, the two semicircular push rods can realize dislocation action, so that the operation effect of only scraping the melt on one side at one time is achieved.

The application relates to the technical field of special functional coating materials for lost foam casting, and particularly discloses a cast iron lost foam and universal coating for full mold casting and application thereof. The cast iron lost foam and universal coating for full mold casting comprises quartz powder, calcined bauxite, modified fly ash microbeads, microcrystalline graphite and an additive; the modified fly ash microbeads comprise fly ash and a composite coating layer coated on the surface of the fly ash, and the composite coating layer comprises aluminum oxide nanosheets and magnesium ion doped amorphous substances. Through functional design of key components, the coating can dynamically adjust its performance according to the temperature and chemical environment of the contact interface, can meet the high air permeability requirement of the lost foam process, can take into account the differentiated requirements of different cast iron materials on high-temperature strength, permeability resistance and interface purity, and can be compatible with both conventional negative pressure and non-negative pressure conditions, so that the universal coating is realized, and production management and supply chain processes are greatly simplified.

The utility model provides a kind of aeration pipe for compost, mainly relates to aeration equipment technical field.A kind of aeration pipe for compost, including aeration pipe, the both ends of the aeration pipe are respectively screwed with quick connector, the top surface of the aeration pipe is equipped with several evenly distributed aeration holes, and the section of the aeration pipe is regular hexagon structure.The utility model has the beneficial effect that: aeration pipe adopts regular hexagon section design, can be stably placed on ground when installing, avoid the deviation of aeration hole caused by rolling, ensure that gas is evenly discharged;Evenly distributed aeration hole makes the gas distribution of compost area more balanced, effectively improves oxygen supply efficiency, promotes the uniformity and efficiency of compost fermentation process, provides stable environment for microbial activity.

The utility model discloses crushing equipment for recycling automobile plastic parts, and relates to the technical field of automobile plastic part recycling. The device comprises a crushing box, the upper surface of the crushing box is fixedly connected with a feeding hopper communicated with the interior of the crushing box, the lower surface of the crushing box is fixedly connected with a discharging barrel communicated with the interior of the crushing box, and the outer surfaces of the left side and the right side of the crushing box are fixedly connected with supporting bases; and the crushing mechanism is used for crushing the automobile plastic parts so that the automobile plastic parts can be recycled, a vertical pipe is fixedly connected to the surface of the front side of the crushing box, a dust collecting mechanism is arranged on the vertical pipe, and the dust collecting mechanism communicates with the interior of the feeding hopper. According to the crushing equipment for recycling the automobile plastic parts, operation is convenient when dust is discharged, the dust does not need to be disassembled by climbing to the top of the crushing box, more labor is saved, and then the practicability of the crushing equipment for recycling the automobile plastic parts is improved.

The invention discloses a liquid manure distributor and a drip irrigation system, the liquid manure distributor comprises a manure storage tank and at least one screw rod, the outer wall of the screw rod is spirally provided with conveying blades in a surrounding manner, the power input end of the screw rod is provided with a motor, and the screw rod is transversely arranged in the manure storage tank in a penetrating manner; when the motor is kept in a starting state and liquid manure is continuously input from the manure inlet, the liquid manure firstly falls on the conveying blades of the screw rod, meanwhile, the motor drives the screw rod to continuously rotate, and the conveying blades of the screw rod push the liquid manure on the conveying blades to spirally move until the liquid manure reaches the bottom of the screw rod; the liquid manure is separated from the screw rod, falls into the bottom of the manure storage tank and is finally discharged through a plurality of distribution pipes; wherein in the process that the liquid manure falls on the conveying blades of the screw rod and falls from the screw rod, the vertically falling liquid manure is transversely crushed by the screw rod, so that the liquid manure is uniformly distributed at the bottom of the manure storage tank, and the uniform discharge of the liquid manure is realized.

This utility model discloses a sand and gravel separator, specifically relating to the field of concrete production technology. It includes a collection box with an auger conveyor installed on one side. The bottom of the auger conveyor is connected to a discharge port. A screening machine is installed at the top of the collection box, with a feed port connected to its top. A cleaning component is installed inside the screening machine, and a feeding mechanism is installed inside the discharge port. The cleaning component includes a baffle plate fixedly connected to the inside of the screening machine. A first filter screen and a second filter screen are fixedly connected inside the screening machine by screws, with the second filter screen installed on one side of the first filter screen. By setting up the cleaning component and the feeding mechanism, this utility model allows for dual screening of sand and gravel by the first and second filter screens, effectively cleaning their surfaces, reducing clogging and improving screening efficiency, maintaining good separation performance, and minimizing sand and gravel accumulation and compaction inside the discharge port, ensuring smooth discharge of sand and gravel.

The utility model relates to the related technical field of pharmaceutical equipment, one embodiment of the utility model provides raw material decoction piece homogenization treatment equipment for preparing nerve soothing granules, the raw material decoction piece homogenization treatment equipment comprises a mixing tank and a support, the mixing tank is arranged in the support, an overturning mixing assembly is arranged in the mixing tank and the support, and a feeding and discharging assembly is arranged at the bottom of the mixing tank and the support; the turnover mixing assembly comprises a pair of central shaft brackets, the central shaft brackets are respectively fixed on the two sides in the bracket, the mixing tank is rotatably connected to the pair of central shaft brackets in a sleeving manner, an outer gear is arranged outside the mixing tank, a driving motor is arranged on one side of the bracket, a driving gear is arranged at the output end of the driving motor, and the driving gear is meshed with the outer gear. By means of the technical scheme, the technical problems that in the prior art, due to the fact that traditional equipment is often difficult to rapidly and evenly mix the raw materials, part of the raw materials are not evenly distributed, some light medicinal materials can be gathered at the top of the equipment, and heavy medicinal materials are precipitated at the bottom are solved.

The utility model provides a centrifuge dehydration barrel device for high water absorbent resin water retention detection relates to experimental equipment auxiliary device technical field. The device includes accommodating component and seal cover, wherein the top opening of accommodating component is detachably connected with seal cover, at least two accommodating cavities are arranged in accommodating component, accommodating component is matched with dehydration barrel on numerical control electric centrifuge, and the whole assembly formed by accommodating component and seal cover can be placed in dehydration barrel. The utility model mainly applies to the experimental scene that needs to carry out spin -dry processing to detection material through numerical control electric centrifuge, can effectively fix material cloth bag and prevent material leakage and splash.

The invention provides a wafer loading, overturning and soaking mechanism, which comprises a base provided with a box body mounting frame and a module supporting structure, and the module supporting structure is provided with a guide rail; the soaking box body is arranged on the box body mounting frame, and the soaking box body is used for containing soaking liquid; and the overturning module is arranged on the module supporting structure, the overturning module comprises an overturning device and a driving assembly, the overturning device is provided with a wafer clamping part, the wafer clamping part is used for bearing a wafer, and the driving assembly is in driving connection with the overturning device and is used for driving the overturning device to overturn and move up and down along the guide rail. According to the invention, the processing precision and the processing efficiency of the wafer can be obviously improved.

The utility model belongs to the technical field of separation, and particularly relates to a storage tank for separating trace chlorobenzene in hydrochloric acid, which comprises a storage tank body, a liquid receiving tank is connected below the storage tank body, a chlorobenzene drainage port is arranged at the bottom of the liquid receiving tank, an inner cavity of the storage tank body is communicated with an inner cavity of the liquid receiving tank, and a feed port is arranged at the top of the storage tank body. An inserting pipe is arranged in the feeding port, the bottom of the inserting pipe extends to the bottom of an inner cavity of the storage tank body, a baffle is vertically arranged in the storage tank body, the lower end and the two sides of the baffle are connected with the inner wall of the storage tank body, and a gap is reserved between the upper end of the baffle and the top of the storage tank body; the liquid receiving groove and the inserting pipe are located on the same side of the baffle, and a hydrochloric acid discharging opening is formed in the side, away from the liquid receiving groove, of the baffle and located in the bottom of the storage tank body. The storage tank can effectively separate out trace chlorobenzene in hydrochloric acid, the purity of hydrochloric acid is improved, and efficient separation is achieved.

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 semiconductor production, in particular to semiconductor laminating production equipment which comprises a laminating machine body, and a rotating assembly is arranged on the inner side of the laminating machine body. The discharging assembly is fixedly installed on the lower surface in the overlying machine body, the detection assembly is fixedly installed on the upper surface in the overlying machine body, the detection assembly comprises a supporting frame, a limiting plate is slidably connected into a sliding rail, and a pressure sensor is fixedly installed at one end of the upper surface of the limiting plate in an embedded mode. According to the utility model, the flange above the upper pressure plate abuts against the pressure sensor to detect the pressing pressure, and meanwhile, when the pressure is relatively large, the limiting plate abuts against the lower part of the flange to limit the maximum downward moving distance of the upper pressure plate, so that the damage to materials due to overlarge pressure caused by the reduction of the precision of the hydraulic cylinder is avoided, and the pressing precision of the materials is improved; and the lower pressing disc is turned over after moving downwards, and the pressed materials are turned over towards one side, so that the pressed materials can be discharged more smoothly.

This utility model belongs to the field of sludge filtration technology and discloses a dynamic sludge filtration device, including a housing. A filtration unit and a discharge unit are connected to the outside of the housing via a rotating motor and a discharge motor, respectively. The filtration unit and discharge unit are located inside the housing. A water pumping unit is located at the top of the housing and connected to the water pumping unit via a filtration water pumping pipe. The discharge unit is located at the bottom of the filtration unit and the water pumping unit. This utility model can increase the sludge contact area and filtration area, allowing liquid to penetrate into the filter housing more quickly. Combined with the rotating water pumping component, the liquid is promptly extracted, improving the speed and efficiency of sludge dewatering and shortening the processing cycle. The rotating motor drives a rotating rod, which in turn causes the filter housing to rotate within the sludge. Dewatering is achieved using the principle of free liquid permeation. Compared to traditional methods that rely on strong external force for dewatering, this effectively reduces the moisture content of the filter cake and significantly reduces energy consumption.