15results about How to "Change flow direction" patented technology

The present application provides a kind of inner slag discharging device and its slag discharging method, it includes high wear-resistant obturator, drill bit drill rod device, venturi water and drill slag dry-wet separator, the drill bit drill rod device is located in high wear-resistant obturator, drill slag dry-wet separator is connected with drill bit drill rod device by venturi water.The flow direction of drill slag can be changed by changing the running direction of slag discharging medium, so as to reduce the scouring, soaking and friction of slag discharging medium and drill slag on the hole wall, which is beneficial to the formation of drilling hole;It can achieve the purpose of point coring by achieving "falling and discharging simultaneously";Drilling cuttings can be well collected, which is beneficial to the civilized production of construction site and prevents dirtiness and disorder;If inert gas is used for slag discharging during construction, it can also achieve the purpose of inhibiting spontaneous combustion of coal seam.Through the above technical scheme analysis, the device is theoretically feasible and the operation is reliable, which provides good drilling quality for casing, greatly improves the success rate of drilling and casing and the extraction effect.

The utility model relates to a kind of water pump with machine seal sand blocking structure, to solve the problem that machine seal is easy to fail in prior art, the technical scheme used includes motor, pump body, motor base connected motor and pump body, the rotation axis on motor passes through motor base and forms connection with the impeller in pump body, machine seal is set between rotation axis and motor base, the inner cavity of machine seal and motor base cooperation, it is characterized in that the outside cover of machine seal is equipped with machine seal sand blocking structure, and machine seal sand blocking structure has deposition channel.Effect: the outside cover of machine seal is equipped with machine seal sand blocking structure, and machine seal sand blocking structure has deposition channel, machine seal sand blocking structure is used to prevent external silt from entering the gap between machine seal and rotation axis, deposition channel is used to deposit silt entering machine seal sand blocking structure and discharge, it is beneficial to keep the liquid environment of machine seal working operation relatively clean and stable, it is beneficial to ensure that water pump is normally operated, and it is beneficial to reduce the probability of repair and replacement, it is beneficial to reduce water pump operating cost.

This utility model relates to the technical field of PE pipe mixing devices, and more particularly to a PE pipe production mixing device, including a mixing box and fixed blocks; the mixing box is equipped with a mixing component for mixing PE pipe raw materials, and support components are installed on both sides of the mixing box. Two sets of fixed blocks are set at both the front and rear ends of the mixing box. The mixing component includes guide plates, which are arranged crosswise on both sides inside the mixing box. The guide plates have guide grooves inside, and a connecting rod is set inside the guide plate on the side of the guide plate near the inner wall of the mixing box. In this utility model, when the raw materials flow through the guide plates, the guide grooves play a guiding role, changing the flow direction of the raw materials. Through the crosswise arrangement of the guide plates, raw materials with different flow directions meet under the guidance of the guide grooves, promoting the circulation of raw materials in the mixing box, increasing the contact frequency and mixing opportunities between raw materials, and enabling different types and properties of raw materials to fully contact and mix, accelerating the production pace, increasing capacity, and reducing production costs.

This invention relates to an anti-cavitation device and method for fluid pipelines. The invention includes a fluid pipeline with a bend; a guide vane assembly disposed within the bend to guide the fluid flow at the bend; wherein the guide vane assembly includes a guide vane body, the guide vane body including guide vanes extending towards the outlet of the bend, the guide vanes being circumferentially arranged around the axis of the guide vane body, so that the fluid forms a controlled pre-swirling flow field before entering the bend outlet. This invention, by installing a guide vane-type device at the bend of the fluid system pipeline, changes the flow direction of the liquid, avoids abrupt changes in liquid velocity at the bend, eliminates boundary layer diversion, increases the absolute pressure inside the bend, and thus improves the cavitation resistance of the entire pipeline system.

The utility model provides a biological fermentation tank for preparing a microbial agent. The biological fermentation tank comprises a tank body and a sealing cover mounted on the tank body in a sealing manner, the stirring mechanism is arranged in the tank body and is used for fully mixing the raw materials; a feeding pipe with a control valve and an observation hole are arranged on the sealing cover; the discharge pipe is communicated with the outlet end of the tank body; the discharging sealing cover is mounted at the outlet end of the discharging pipe and is driven by a hydraulic driving mechanism. According to the utility model, by additionally arranging the discharging sealing cover which is opened and closed by the hydraulic driving structure, the biological fermentation tank can generate certain air pressure in the fermentation process, the air pressure can be propped against the discharging sealing cover, and meanwhile, certain pressure is applied to the discharging sealing cover through the hydraulic driving mechanism, so that the discharging sealing cover can be prevented from being opened.

The utility model relates to aluminium alloy extruding machine technical field, and disclose a kind of aluminium alloy extruding machine with cooling mechanism, including bottom plate, the top fixed mounting of bottom plate has fixed plate, this aluminium alloy extruding machine with cooling mechanism is rotated when the fan blade in fan is set with control component, and rotating rod can drive cam to rotate on the surface of support, when cam rotates, cam will be in contact with the section of slide bar, when the section of slide bar is contacted, slide bar can be forced to move horizontally in cooling box, when slide bar moves, the moving plate fixed on the surface of slide bar can drive movable plate to move horizontally synchronously, since slide bar is intermittently contacted, therefore, moving plate and movable plate can be intermittently opened and closed in front of cooling box, to continuously push airflow to be stirred, reach the purpose that the airflow around aluminium billet is continuously heat-exchanged, avoid the situation that cooling is uneven due to airflow direction is fixed.

The utility model provides a silencing exhaust pipe of a motorcycle, belongs to the technical field of motorcycle components, and solves the technical problems that an existing silencing exhaust pipe is poor in silencing effect, cannot balance exhaust back pressure and the like. Comprising an air outlet end cover piece and an air inlet end cover piece, an exhaust pipe is arranged between the air outlet end cover piece and the air inlet end cover piece, a flow guide piece, a baffle piece and a ventilation silencing piece are sequentially arranged in the exhaust pipe from front to back, an air outlet pipe is arranged between the air outlet end cover piece and the ventilation silencing piece, and a flow guide pipe is arranged between the ventilation silencing piece and the baffle piece. According to the utility model, multiple times of volume mutation can be carried out, density and pressure are reduced, noise is weakened, flowing direction can be changed, kinetic energy is reduced, turbulent flow can be generated, noise is counteracted while exhaust efficiency is ensured, waste gas can be divided into a plurality of fine air flows, and the generated noise is absorbed and counteracted through a resonance effect, so that a drainage channel can be formed, condensate water can be discharged, and corrosion is avoided; pressure mutation can be relieved, exhaust back pressure is balanced, and noise can be reduced conveniently.

The utility model relates to a spiral diversion structure heat exchanger and belongs to the technical field of heat exchangers. A shell pass flow channel is formed in the shell pass cylinder and used for heat exchange between fluid and a tube pass; the pipe spacer is arranged in the shell pass cylinder; the connecting pipe is arranged at the top of one end of the shell pass cylinder and is communicated with the shell pass cylinder; each flow guide unit is composed of a supporting pipe and a spiral flow deflector, the spiral flow deflectors are fixed to the surfaces of the supporting pipes in an outward-downward inclined mode, and the flow guide units are arranged in the connecting pipes; one end of the connecting plate is connected with the supporting pipe, and the other end of the connecting plate is connected with the inner wall of the connecting pipe; and the bottom plate is used for connecting the flow guide unit with the pipe spacer. The utility model solves the problem of local retention of high-viscosity fluid at the inlet due to viscous force accumulation, improves the heat transfer efficiency, and improves the stability of equipment.

The utility model relates to the technical field of grilles, and provides a sludge tank upper opening grille which comprises a frame internally provided with a filtering structure, the frame is obliquely installed on an upper opening of a sludge tank, and when the frame is in an inclined state, one side, close to a water inlet, of the frame is provided with a water guide groove; the water guide groove comprises a lower arc groove close to the water inlet direction and an upper arc groove connected with the lower arc groove and close to the interior of the frame, so that the flow speed of sewage flowing through the water guide groove is reduced. The utility model overcomes the defects in the prior art, has the advantages of reasonable design, compact structure, inclined installation of the frame, flushing away sludge and impurities close to the water inlet side of the filtering structure by virtue of gravity and sewage impact force, creating conditions for subsequent treatment, reducing the flow rate of sewage, changing the flow direction, reducing the impact on the filtering structure and prolonging the service life of the filtering structure by virtue of the water chute; and the sewage can be fully filtered.

The utility model relates to an oil-gas separator. Comprising a separator body, a separation protective cover and a buffer part. The separator main body is provided with a containing cavity and an oil outlet communicated with the containing cavity; the separation protective cover is provided with a movable cavity, and an inlet and an outlet which are communicated with the movable cavity, and the inlet is communicated with the oil outlet; the buffer piece is located in the movable cavity and movably connected to the separation protective cover. The separator body of the oil-gas separator is provided with the containing cavity and the oil outlet. The buffer piece is located in the movable cavity and movably connected to the separation protective cover. When high-speed oil gas enters the movable cavity and impacts the buffering piece, the buffering piece can play a buffering role, the flow speed and pressure of the oil gas are reduced, and therefore a large number of oil drops are prevented from being sputtered out of the oil-gas separator along with gas at random, and oil contamination accumulation is reduced.

This invention relates to the field of fuel cells, specifically to an air-cooled aluminum bipolar plate. It includes an aluminum anode plate, an aluminum cathode plate, and multiple adhesive sealing gaskets. The aluminum anode plate has multiple interconnected first grooves, each containing multiple first protrusions. The aluminum cathode plate has multiple interconnected second grooves, each containing multiple second protrusions. The periodic distribution of the first and second protrusions forms a serpentine gas field, which effectively alters the airflow direction, facilitating the flow of reactant gases into the gas diffusion layer and the discharge of generated water. Simultaneously, the cooling medium flows through the cooling medium channel formed by the first and second notches, carrying away heat. This two-plate, three-field air-cooled aluminum bipolar plate structure improves the battery's heat dissipation efficiency, enabling the battery to operate stably and continuously at higher current densities.

The utility model provides novel high-uniformity waterproof coating reaction mixing equipment which comprises a mixing tank, and a baffle plate capable of changing the mixing direction of an upper layer is arranged in the mixing tank in a sliding manner; an adjusting mechanism for adjusting the longitudinal position of the baffle plate is mounted on the outer side wall of the mixing pipe corresponding to the baffle plate; according to the utility model, the mixing tank, the top cover, the mixing motor, the stirring rod, the blades, the baffle plate and the adjusting mechanism are additionally arranged; through the unique structural design and movement mode, the mixing uniformity is greatly improved; due to the arrangement of the baffle plates, the flowing direction of the materials is changed, and the collision and mixing opportunities among the materials are increased; the adjusting mechanism can adjust stirring parameters according to actual requirements, so that the equipment can adapt to production of waterproof coatings of different types and formulas; the mixing efficiency is improved, the production time is shortened, the overall production efficiency is improved, and the requirements of the market for high-quality and high-efficiency waterproof coating production are met.

The utility model relates to the technical field of energy storage bins, in particular to a high-sensitivity monitoring and rapid centralized discharging device for dangerous light gas in an energy storage bin. The energy storage bin comprises an energy storage box and a bin top arranged at the top of the energy storage box. The bin body is arranged to be of a protruding structure facilitating gas gathering. A plurality of sensors for detecting gas concentration and an exhaust outlet facilitating exhaust are arranged along the top of the bin body; gas is gathered in the bin body, the concentration of the gas is detected through the sensor, and the gas is rapidly exhausted outwards through the exhaust outlet. A special flow field structure is used, the flowing speed and direction of gas are changed, the gas rapidly gathers towards the top of the bin, the concentration of the gas on the inner side of the top of the bin is rapidly accumulated, the gas sensor can rapidly detect that when the concentration of the gas in the bin is low and the gas is not detected, the gas is discharged through convection of fan blades of the fan; when the concentration of gas in the bin is detected to exceed the standard, the strong exhaust system is started at the same time, rapid exhaust is achieved, thermal runaway of the battery is avoided, and safety is ensured.

This utility model discloses a resin two-component precise proportioning mixing device, belonging to the field of mixing device technology, including a mixing tank, a stirring structure, and a feeding structure; firstly, two resin raw materials are injected into two storage tanks respectively through feed pipes, and the switch is controlled by a first control valve, and the initial feed amount is determined according to the scale on the outer wall of the storage tank; the electric push rod is started, and the push rod slowly extends, pushing the push plate fixedly connected to the push rod to move smoothly inside the storage tank. During the movement of the push plate, the resin raw materials in the storage tank are gradually squeezed towards the conveying pipe. Before the raw materials are conveyed, the operator must first open the second control valve to ensure that the conveying channel is unobstructed. As the push plate advances, the resin raw materials flow into the mixing tank quickly through the conveying pipe under pressure. During the conveying process, the conveying amount of resin raw materials is monitored in real time by comparing the scale value of the raw material descent, ensuring that the two resin raw materials are accurately conveyed to the mixing tank in a predetermined ratio.

The utility model relates to the technical field of drying machine, concretely relates to a belt dryer with built -in heating temperature control structure, including belt dryer body, temperature control mechanism, temperature control mechanism includes temperature control assembly, power assembly, even air outlet subassembly and transmission assembly, temperature control assembly includes fixedly connected in the air inlet pipe of the top surface of belt dryer body, the output end fixedly connected with the casing of air inlet pipe, the sidewall fixed mounting of casing has temperature sensor, the inner wall fixed mounting of air inlet pipe has two electric heater, the utility model discloses the temperature control assembly of setting, realized the control to heating temperature, avoided that temperature fluctuation was too big and influences material drying quality, through the power assembly of setting, can utilize the power of airflow flow to provide power for even air outlet subassembly, through the even air outlet subassembly of setting, can make hot air evenly distribute in belt dryer body.