60results about How to "Slow down the flow" patented technology

This utility model relates to the field of pipeline technology, specifically to a compressor venting and noise reduction pipeline and its noise reduction system. The compressor venting and noise reduction pipeline includes: an exhaust pipeline, a bend downstream of the exhaust pipeline, a branch pipeline downstream of the bend, an output pipeline downstream of the branch pipeline, and a silencer downstream of the output pipeline. The silencer includes a spiral flow guiding device. This utility model reduces the velocity of the medium flow by using the bend, branch pipeline, and silencer, consuming part of the kinetic energy of the medium flow, thereby reducing the noise generated by the medium colliding with the pipe wall during discharge and reducing the safety risks to on-site personnel.

This utility model discloses a jet pump propulsion device, comprising: a pump casing having a water inlet section with a water inlet hole; a drive assembly including an impeller and a power component for rotating the impeller, the impeller being rotatably disposed inside the pump casing; and a guide section located within the water inlet section, the guide section having a guide surface on the side near the impeller for guiding external water flow towards the impeller, the guide surface opposite the water inlet hole, and the guide surface forming a guide channel with the inner wall of the water inlet section, the cross-section of the guide channel gradually increasing in the direction close to the impeller. This utility model can reduce shaking and vibration during propulsion, improving the smoothness of propulsion.

The invention relates to the technical field of laser scanning, in particular to vehicle-mounted laser scanning equipment which comprises an optical scanning module and further comprises a windshield, a shell, a rotating rod, a fan, an air inducing assembly, a mounting plate, a transmission assembly and a mark removing assembly. The shell is connected with the upper end of the outer surface of the light scanning module, the rotating rod is connected to the rear side of the central axis of the windshield, the fan is connected to the upper end of the rotating rod, the air inducing assembly is connected to the upper end of the light scanning module, the mounting plate is connected to the lower end of the windshield, and the transmission assembly is connected with the lower end of the rotating rod. According to the light scanning module, the area, located at the front end of the light scanning module, of the windshield is continuously replaced by rotating the windshield, and the purpose of guaranteeing the detection accuracy of the light scanning module is achieved.

The invention discloses a ventilation device for preventing oil liquid in a bearing box from dripping outwards, which comprises a shell with an inner cavity, a cavity partition plate with a first gas discharge through hole is arranged in the shell, and the cavity partition plate divides the inner cavity of the shell into a gas discharge cavity and an oil mist filtering cavity which are communicated up and down; an oil mist filtering mechanism forming a spiral oil mist filtering channel is arranged in the oil mist filtering cavity, an oil mist leading-in mechanism and a lubricating oil recycling mechanism are arranged at the lower end of the shell, and the spiral oil mist filtering channel is communicated with the bearing box through the oil mist leading-in mechanism and the lubricating oil recycling mechanism; and a second gas discharge through hole communicated with the outside is formed in the side wall of the gas discharge cavity. The motor bearing box can effectively solve the problems that oil mist escapes outwards and oil drips outwards, consumption of lubricating oil is reduced, and meanwhile the motor bearing box has the advantages of being exquisite in structure and free of cooperation of an external power source.

The utility model discloses a fine-grade tailing dehydration device for lead ore processing, which relates to the technical field of tailing dehydration, and comprises a plurality of sedimentation tanks which are communicated with one another, drainage gates are arranged among the sedimentation tanks, and the drainage gates can adjust the height of flowing water between the adjacent sedimentation tanks. The sedimentation tank located at the tail end is communicated with a dehydration device through a water pipe, a water throwing tank is rotationally arranged in the dehydration device, the peripheral side of the water throwing tank is of a latticed double-layer structure, and the double-layer structure of the water throwing tank is filled with a filter element of an annular structure. According to the fine-grade tailing dewatering device for lead ore processing, the dewatering device is arranged, water passing through the sedimentation tank flows into the dewatering device, the water is thrown out after being blocked by the filter element through rotation of the water throwing tank, and tailings are left to be stored in the water throwing tank, so that the water content in the tailings is reduced; and the water can also be poured into the dehydration device to be dehydrated again.

The utility model relates to desulfurizing tower technical field discloses a kind of wet flue gas desulfurization tower, including tower body, desulfurization component and be used for the spray of the spray component to desulfurization component, tower body is equipped with air inlet and air outlet, desulfurization component is arranged in tower body, desulfurization component includes sieve plate and multiple baffle, the outer periphery of sieve plate is connected with the inner wall of tower body, multiple baffle is spacedly installed at the top of sieve plate, form pass-through smoke channel between adjacent two baffle, baffle is corrugated plate, two side walls of pass-through smoke channel respectively are equipped with a group of baffle, two groups of baffle in pass-through smoke channel are staggered arrangement in the direction of smoke flow, pass-through smoke channel is filled with filler;The utility model cooperates through serpentine pass-through smoke channel and baffle, reduce the flow speed of flue gas and treatment solution, prolong residence time, to improve the reaction length of flue gas and treatment solution, improve desulfurization efficiency.

This utility model discloses a flue assembly and a gas water heater, relating to the field of water heater technology. The flue assembly has independent exhaust channels and air channels. The exhaust channel is configured to communicate with the exhaust port of the gas water heater, and the air channel is configured to communicate with the air inlet of the gas water heater. The air channel has at least a first channel section, through which air flowing through the first channel section can exchange heat with the flue gas in the exhaust channel. A baffle is provided within the first channel section. This utility model's technical solution can prevent or significantly reduce the generation of condensate in gas water heaters.

This utility model discloses a scale inhibition mechanism and a water outlet device with the scale inhibition mechanism. The scale inhibition mechanism includes: a support; a slow-release cylinder for storing scale inhibitor, the slow-release cylinder having several slow-release holes, and the slow-release cylinder being connected to the support; a movable member having a cavity, one end of which is open as a first port, the slow-release cylinder extending into the cavity through the first port, the movable member being movable relative to the support between a first position and a second position; an elastic member applying an elastic force to the movable member to move it to the second position; the movable member and the support are used to control whether the slow-release cylinder releases the slow-release liquid. Since the scale inhibition mechanism only releases the scale inhibitor when the water flow in the water outlet device is still, it slows down the flow rate of water and scale inhibitor through the slow-release holes, reduces the dissolution rate of the scale inhibitor, and slows down the consumption of the scale inhibitor.

The utility model discloses a comprehensive filter element with a water-saving function. The comprehensive filter element comprises a filter piece, a filter element body and a water passing sleeve piece, the filtering piece is arranged on the filter element body, the filter element body is provided with a water passing cavity, the water passing cavity is provided with an open end and a closed end, the water passing sleeve piece is detachably arranged at the open end of the water passing cavity, and a plurality of water passing holes communicated with the water passing cavity are formed in the water passing sleeve piece; the shower head handle is provided with a water inlet connector and a water passing channel communicated with the water inlet connector, the filter element is inserted into the water passing channel from the water inlet connector, a water passing sleeve piece of the filter element is connected to the water inlet connector in a clamped mode, and a plurality of flow passing holes communicated with the water passing cavity and the water passing channel are formed in a filter element body. The connector of the water inlet hose abuts against the water passing suite and is in sealing connection with the water inlet connector in a detachable mode, and water enters the water inlet hose through the water inlet connector and provides filtered water for the shower head handle through the filter element and the water passing channel. The utility model can play a water-saving role, improve the filtering effect, simplify the assembly and disassembly process and reduce the processing cost.

The utility model relates to an electronic atomization device. The electronic atomization device comprises a shell and an atomization mechanism. The shell is provided with a containing cavity, and a liquid storage bin used for storing an aerosol generating product is arranged in the containing cavity; the atomization mechanism is arranged in the containing cavity and communicates with the liquid storage bin, the atomization mechanism comprises an atomization assembly and a buffer assembly, and the buffer assembly is arranged between the liquid storage bin and the atomization assembly and at least used for reducing the flowing speed of the aerosol generating product. The electronic atomization device can prevent the aerosol generating product from leaking from the atomization core.

This utility model relates to the field of printed circuit board technology and discloses an inner layer edge structure of a circuit board, including: a first edge plate body disposed around the substrate body; a plurality of first flow-blocking beads equidistantly arranged on one or both sides of the edge plate body; and a plurality of second flow-blocking beads equidistantly arranged on one or both sides of the first flow-blocking beads, wherein the protruding area of ​​the second flow-blocking beads is larger than that of the first flow-blocking beads, and a first adhesive flow groove is formed between the first flow-blocking beads and the second flow-blocking beads to accommodate the flow of adhesive. This design can not only significantly reduce the flow velocity of the fluid and effectively prevent it from flowing outside the circuit board, thereby avoiding the problem of insufficient adhesive filling of the board pattern, but also the first adhesive flow grooves of different widths formed between the first and second flow-blocking beads of different sizes are interleaved, which can timely and evenly spread the adhesive of the insulating layer along the first adhesive flow groove, thereby ensuring uniform adhesive filling and reducing the probability of defective products.

The utility model discloses a magnesium alloy electromagnetic induction heating melting furnace which comprises a supporting base fixed to the ground through bolts, left and right symmetrical installation frames are fixedly installed on the upper surface of the supporting base, a melting furnace shell is rotatably installed between the left and right installation frames, and a sealing upper cover is rotatably installed on the upper surface of the melting furnace shell. A crucible inner container used for melting a magnesium alloy material is fixedly installed in the middle of the interior of the melting furnace shell, an electromagnetic induction coil is attached to and wound around the outer surface of the crucible inner container, and a heat preservation pad is fixedly installed on the outer surface of the crucible inner container. According to the magnesium alloy electromagnetic induction heating melting furnace, the novel structural design is adopted, waste gas generated in the magnesium alloy melting process enters the purification box through the pressure relief pipe, harmful substances in the waste gas are filtered and purified through the filter cotton in the purification box, and therefore the situation that the waste gas is directly discharged to pollute the surrounding environment is avoided.

The utility model provides a finished product particle drum screen, which relates to the technical field of drum screens and comprises a drum screen provided with a plurality of sections of screen meshes with different apertures, a drum screen driving component is mounted at the bottom of the drum screen, and a base component is arranged on the bottom surface of the drum screen driving component. An angle adjusting assembly used in cooperation with the drum screen driving assembly is installed on the base assembly, and a conveying assembly is installed at the bottom of the base assembly. When the continuous feeding amount of materials is large, the overall inclination angle of the rotary screen is driven to be reduced through the angle adjusting assembly, the flowing speed of the materials from the feeding end to the discharging end of the rotary screen is slowed down, the flowing speed of the materials is driven to be maintained at the normal level again by increasing the rotating speed of the driving motor, and then the screening precision is guaranteed; on the contrary, the inclination angle of the drum screen can be increased through the angle adjusting assembly, the rotating speed of the driving motor is reduced to screen the materials, and then the working load of the driving motor is reduced.

The application discloses an oil film damper damping structure, which comprises a bearing, a support seat and an adjusting structure, wherein the bearing comprises a bearing outer ring and a bearing inner ring, the bearing inner ring is suitable for being connected with a rotor; the inner ring of the support seat is coaxially arranged with the bearing outer ring to enclose an oil film cavity suitable for containing lubricating oil; the adjusting structure is fixedly arranged in the oil film cavity, and the adjusting structure is fixed on the bearing outer ring or the inner ring of the support seat; the adjusting structure comprises a flow control part, the flow control part comprises a streamlined surface and a flow resistance plane which are connected with each other, and the streamlined surface and the flow resistance plane are used for controlling the flow speed of the lubricating oil; the friction coefficient of the flow resistance plane is greater than that of the streamlined surface. The structure plays a damping role under the action of the friction resistance and the pressure difference resistance of the lubricating oil on the adjusting structure, the control effect of the oil film extrusion flow is strengthened, and the use and application range of the extrusion oil film damper are increased.

The utility model relates to an atomizer and an electronic atomization device.The electronic atomization device comprises the atomizer, the atomizer comprises a shell assembly, an atomization assembly and a pressure reduction assembly, an oil storage cavity is formed in the shell assembly, the atomization assembly is provided with an atomization cavity and provided with an oil inlet hole communicating with the atomization cavity, and the pressure reduction assembly comprises an outer cover and breathable first oil guide cotton; the outer cover is arranged on the atomization assembly in a sleeving mode, an installation cavity is formed by the outer cover and the outer wall of the atomization assembly, and the first oil guide cotton is arranged in the installation cavity. A pressure reduction cavity communicated with the tar storage cavity is formed in the outer cover, and the pressure reduction cavity is communicated with the atomization cavity through first tar guide cotton and a tar inlet hole in sequence, so that a part of tobacco tar in the tar storage cavity flows into the pressure reduction cavity with the smaller size and then is adsorbed to the first tar guide cotton, and therefore when external air pressure or temperature changes, the tobacco tar can be atomized. When the electronic atomizer is used, the atomizing core only needs to bear small liquid pressure, tobacco tar is not prone to leaking to the outside of the electronic atomizer from the atomizing cavity under the action of the air pressure difference, and therefore the risk of oil leakage can be reduced.

This invention relates to the field of caprolactam preparation technology and discloses a co-production system for ammonium sulfate and caprolactam. The co-production system includes a crystallizer, a circulation pipeline, and an ammonium sulfate mother liquor storage tank. The crystallizer comprises a shell, a funnel-shaped inner cylinder, and a cavity. A steam outlet is located at the top of the shell. The funnel-shaped inner cylinder is disposed within the shell and its bottom communicates with the cavity. From top to bottom, the shell is provided with a circulation liquid inlet, an extractant outlet, a circulating liquid outlet, an extractant inlet, and a crystal collection assembly. The circulation liquid inlet is located between the top inlet of the funnel-shaped inner cylinder and the steam outlet. The circulation liquid inlet and outlet are connected by a circulation pipeline, which includes an ammonia inlet and a caprolactam sulfate inlet. The ammonium sulfate mother liquor storage tank is connected to the circulation pipeline. This invention can produce large-particle ammonium sulfate crystals, obtain high-temperature steam at 120-134°C, and simultaneously perform benzene extraction, saving costs and energy consumption.

The utility model belongs to the technical field of pipeline equipment, and particularly relates to a mud elbow well seat which comprises a well seat body, a baffle and a flow guide mechanism, an inlet pipe and an outlet pipe are installed on the well seat body, the inlet pipe and the outlet pipe form an elbow structure on the well seat body, and a mud settling chamber is arranged in the well seat body; the baffle plate is mounted on the inner wall of the sludge chamber, one end of the baffle plate close to the inlet pipe and the inner wall of the sludge chamber form a water channel, and an oil storage area is formed below; the flow guide mechanism is installed on the inner wall of the well base, penetrates through the baffle to be communicated with the inlet pipe and the silt settling chamber and is used for directly guiding water of the inlet pipe to the lower end face of the baffle, and the installation height of the inlet pipe and the installation height of the outlet pipe are both higher than the installation height of the baffle. According to the desilting elbow well seat, the baffle is arranged, water in the inlet pipe is guided below the baffle through the flow guide mechanism, water and oil dirt in the inlet pipe can enter the outlet pipe only through the position below the baffle, the water passing channel is arranged at the end close to the inlet pipe, silt, impurities and oil dirt can be intercepted, and the situation that the silt, the impurities and the oil dirt are carried again by high flow and flow out of the outlet pipe is reduced.

The embodiment of the utility model relates to the technical field of aerosol generating devices, and particularly discloses an atomizer and an electronic atomization device.A shell is provided with a containing cavity and a suction port, an atomization assembly is arranged in the containing cavity and communicates with the suction port, and the side wall of the atomization assembly is provided with a first oil inlet hole and a second oil inlet hole; the first inner wall of the shell and the first oil inlet hole are oppositely arranged at an interval, a first distance is formed between the first inner wall and the first oil inlet hole, and the second inner wall of the shell and the second oil inlet hole are oppositely arranged at an interval; the first blocking wall is located between the second inner wall and the second oil inlet hole, a second distance exists between the first blocking wall and the second oil inlet hole, and the absolute value of the difference between the first distance and the second distance is smaller than or equal to a preset value. By means of the mode, the peripheral side of the second oil inlet hole can be shielded through the first blocking wall, so that the flow speed of liquid matrixes at the first oil inlet hole and the flow speed of liquid matrixes at the second oil inlet hole tend to be consistent, and the risk that the atomization assembly is gelatinized due to different flow speeds of the liquid matrixes is reduced.

This utility model discloses an evaporation and crystallization device for high-salt organic wastewater, relating to the field of wastewater treatment technology. It includes a base, with an evaporation and crystallization unit on top of the base. The evaporation and crystallization unit includes a crystallization tank, with a condenser on top of the crystallization tank. An agitation unit is located inside the crystallization tank, comprising two corresponding rotating seats rotatably mounted at both ends of the crystallization tank. A hollow shaft movably passes between the two rotating seats, with a sliding connection between the outer wall of the hollow shaft and the inner wall of the rotating seats. Symmetrically arranged blades are mounted on the hollow shaft, and both blades are rotatably connected to the hollow shaft via mounting shafts that penetrate the outer wall of the hollow shaft. A secondary bevel gear is provided at one opposite end of each mounting shaft. This utility model facilitates cleaning of the inner wall of the crystallization container and ensures uniform heating of the wastewater, improving wastewater evaporation efficiency and thus reducing energy consumption.

The utility model provides a malt cleaning device for beer production, which relates to the technical field of ultrasonic cleaning and comprises an ultrasonic cleaning machine body, a screen frame is arranged in the ultrasonic cleaning machine body, and an auxiliary device is arranged in the screen frame. The auxiliary device is provided with a plurality of supporting plates which are arranged at certain intervals to slide in a reciprocating mode in the screen frame so as to assist the stacked malt to be separated from one another, a water outlet pipe is fixedly installed on the outer surface of the ultrasonic cleaning machine body, and the inner wall of the water outlet pipe communicates with the inner wall of the ultrasonic cleaning machine body; according to the cleaning device, the multiple supporting plates are arranged, the supporting plates can push malt in the process of moving in the screen frame, the stacked malt is forced to be separated from one another, the situation that the stacked malt can slow down the flowing speed of cleaning liquid is avoided, then the effect of accelerating solution flowing through ultrasonic vibration is improved, and the dirt stripping efficiency of the cleaning device is improved.

The utility model discloses a fire cover and contain its kitchen range, including fire cover body and combustion mesh, the gas mixing chamber has in fire cover body, the upper surface of lid body has the first recess, and the combustion mesh forms the buffer chamber with the first recess, and the side of buffer chamber away from the combustion mesh has a plurality of through -hole, and the through -hole links the gas mixing chamber and buffer chamber, wherein, the cross section size of first recess along the gas -exhaust direction of through -hole is along bigger and bigger, and the setting of a plurality of through -hole can carry out certain resistance effect to mixed gas through the wall thickness between through -hole, and then reach the effect of reducing the speed of mixed gas into buffer chamber, and the above -mentioned effect can prevent mixed gas from overflowing fast under the condition of secondary air deficiency or no steady flame structure, causes the flame -leaving phenomenon, through the cross section size of first recess along the gas -exhaust direction of through -hole is bigger and bigger, can make mixed gas reduce flowing speed after entering buffer chamber, further prevent the flame -leaving phenomenon from generating.

The invention relates to a vehicle underwater driving auxiliary adjusting device and system, a control method and a vehicle. The auxiliary adjusting device for the vehicle running in the water comprises a flow guide plate located between a wheel cover and a wheel of the vehicle; and the driving mechanism is in transmission connection with the flow guide plate, is used for driving the flow guide plate to be switched to a folded state and an extended state, and can be used for adjusting the size of an included angle between the flow guide plate in the extended state and the axis of the vehicle wheel. Through flexible switching of different states and angles, lifting force and propulsive force generated by rotation of wheels can be adjusted in a targeted mode, and the problems that in the prior art, lifting force and propulsive force of a wheel-type amphibious vehicle are difficult to optimize, so that resistance is large when the vehicle sails in water at a high speed, and flexibility of posture adjustment is insufficient are effectively solved. The speed increase and the navigation attitude stability are both considered when the vehicle travels in water, and the comprehensive use performance of the vehicle in water is remarkably improved.

The invention discloses a valve element for a throttling valve, a machining method of the valve element and the throttling valve, and relates to the field of valve designing and manufacturing, the valve element comprises a body, and the body sequentially comprises a connecting part, a plugging part used for making contact with a valve seat for sealing and an anti-erosion part used for improving the anti-erosion capacity in the direction from the first end to the second end; the radius of the anti-erosion part tends to be gradually reduced in the direction from the first end to the second end, the surface of the anti-erosion part is provided with a multi-scale structure, and the multi-scale structure comprises a plurality of annular groove parts distributed in the axis direction of the body and a plurality of concave parts located on the surfaces of the groove parts. And the sizes of the groove part and the concave part are in a micro-size range. The valve element structure has the advantages of being low in cost and resistant to erosion.

The invention relates to a radial fluid machine with cooling and lubrication by means of a medium flowing through the machine, wherein the medium flows from a high-pressure side to a low-pressure side of the radial fluid machine, • the radial fluid machine has a housing assembly (1) and a rotor assembly (2) rotatably supported in an inner space of the housing assembly (1), • wherein at least one first bearing is provided in order to support the rotor assembly (2) in the housing assembly (1), • wherein the rotor assembly (2) comprises a rotor (25) of an electric motor (15, 25) and an impeller (21), • wherein the motor (15, 25) comprises, in addition to the rotor (25), a stator (15), which is part of the housing assembly (1), • wherein the rotor (25) of the motor (15, 25) is arranged in a first region (2a) of the rotor assembly (2) and the stator (15) is arranged in a first region (1a) of the housing assembly (1), • wherein the first region (1a) of the housing assembly (1) encloses the first region (2a) of the rotor assembly (2).

The invention relates to the technical field of dust filtration and recovery, and provides a dust removal, purification and recovery device for compound fertilizer production, the dust removal, purification and recovery device comprises a conical top, dew formation discharge mechanisms and a heating component, the conical top protrudes upwards, a plurality of dew formation discharge mechanisms are fixedly arranged on the conical top, and an air inlet pipe is communicated with the side of a filter cavity; the filter cartridge is obliquely arranged in the filter cavity, gas in the filter cavity enters the gas purification cavity after passing through the filter cartridge, gas in the gas inlet pipe transversely flows in the filter cavity, the dewing discharging mechanism is arranged above the filter cartridge, and the heating components are fixedly connected to the bottom of the filter cavity and can heat the gas in the filter cavity. And the condensation discharging mechanism can condense water vapor collected in the conical top and guide water to flow out of the filtering cavity, so that the technical problem that in the prior art, when gas is heated by using a dry method for recycling, the water vapor may be left in the dust remover to cause caking is solved.

This utility model discloses a microfiltration sedimentation component for an integrated tank in rural domestic sewage treatment, belonging to the field of sewage treatment. The integrated tank microfiltration sedimentation component includes a tank body, an inlet and an outlet disposed on the side wall of the tank body; a first baffle plate and a second baffle plate inclined within the tank body, the first and second baffle plates having opposite inclination directions, a first gap between the first baffle plate and the inner wall of the tank body, and a second gap between the second baffle plate and the inner wall of the tank body on the other side; and a filter plate inclined within the tank body, the filter plate having the same inclination direction as the first baffle plate. This utility model avoids direct impact of water flow on the bottom of the tank body, thus preventing the sludge already settled at the bottom from being stirred up, ensuring sedimentation effect and efficiency, enabling effective separation operations, improving overall work efficiency, and ensuring continuous operation of the equipment.

The utility model discloses an automatic weighing sorting device of engineering plastics granulation relates to plastic production technical field. The automatic weighing sorting device of engineering plastics granulation, including base, the plastic sorting subassembly includes screening box, and the upper end fixedly connected with second plastic feed hopper of screening box, and the inside fixedly connected with the plastic screening net of the inclination of screening box, and the front end fixedly connected with four plastic discharge pipes of screening box, and the bottom surface of screening box inside is provided with four plastic flow guide groove, the surface of plastic screening net is provided with a plurality of plastic screening hole, and the surface fixedly connected with a plurality of second plastic particle baffle of plastic screening net, when the plastic particle falls on the screening net, these baffles can effectively block the particle, reduce its flow rate on the surface of screening net, reduce the situation that is not screened and is directly discharged because of the particle fast slide, avoid the problem that part of plastics is not screened and is discharged from the discharge plate, thereby improve the precision of sorting engineering plastics particle according to the size of particle size.

This application relates to a detour filtration and silencing system for a fan inlet, belonging to the field of fluid technology. It includes an intake pipe connected to a fan; a silencing device connected to the intake pipe; the silencing device includes an intake structure and an outlet structure; a filter structure is provided on the intake structure; the silencing device includes a housing, one end of which is closed; the intake structure is located on the pipe wall of the housing; an internal pipe is embedded within the housing; a silencing structure is provided on the outer wall of the internal pipe; the end of the internal pipe facing the closed end of the housing is open, with a gap between it and the closed end; the end of the internal pipe away from the closed end of the housing serves as the outlet structure, which is connected to the intake pipe; a gap exists between the inner wall of the housing and the outer wall of the internal pipe, called a detour gap; forming an airflow channel from the intake structure, the detour gap, the internal pipe, the outlet structure, to the intake pipe. This application integrates filtration and silencing functions, and simultaneously absorbs noise through a detour intake path, improving gas silencing performance.

The utility model relates to the technical field of hydraulic oil filtering, and discloses a hydraulic oil filtering device connected with a servo valve, which comprises a filtering box and a filtering cavity, a sealing cover is arranged at the upper end of the filtering box, two groups of filtering components are arranged at one end in the filtering cavity, a buffer mechanism is arranged at one end of each filtering component, and the mounting direction of the buffer mechanism is perpendicular to the flowing direction of hydraulic oil; the buffer mechanism comprises a fixing frame, the fixing frame is fixedly connected with the filter box, a fixing seat is arranged at one end of the fixing frame and fixedly connected with the filter box, a push rod is arranged at one end of the fixing frame, a movable plate is arranged in the fixing seat, one end of the movable plate is fixedly connected with the push rod, buffer strips are arranged on the two sides of the movable plate, and a telescopic spring is arranged on the outer side of the push rod. And the telescopic spring sleeves the outer side of the push rod. According to the utility model, the buffer mechanism is arranged, so that the flowing speed of hydraulic oil can be effectively reduced, the hydraulic oil is prevented from impacting and damaging the filter screen in the flowing process, and the service life of the filter screen can be effectively prolonged.

This invention provides a novel coke oven gas scrubbing cooler, belonging to the field of scrubbing and cooling technology. It includes an upper shell, on which an inlet pipe is fixedly connected. A cooling shell is fixedly connected to the outer periphery of the inlet pipe. Cooling water inlet and outlet pipes are fixedly connected to the left and right sidewalls of the top of the cooling shell, respectively. The outer ends of the cooling water inlet and outlet pipes penetrate the sidewalls of the upper shell and extend to the outside. Two baffles are symmetrically and fixedly connected inside the cooling shell. This invention, through the arrangement of the inlet pipe, cooling shell, cooling water inlet and outlet pipes, baffles, gas outlet, and flow-slowing mechanism, effectively slows down the flow velocity of the gas, allowing sufficient time for heat exchange between the gas and the cooling shell within the inlet pipe, thus improving cooling efficiency and effectiveness. This solves the problem of low cooling efficiency caused by high gas flow rates in existing technologies.