27results about How to "Achieve clogging" patented technology

The utility model discloses a plastic wood product production system device which comprises a main material storage and conveying area, an auxiliary material feeding and weighing area and at least one mixed material conveying, extruding and feeding area. A CaCO3 main material storage and conveying unit, a CaCO3 transition unit, two groups of PVC main material storage and conveying units and a wood powder main material storage and conveying unit are arranged in the main material storage and conveying area; a group of auxiliary material pouring bin dedusting and weighing units are arranged in the auxiliary material feeding and weighing area; a mixing unit, a mixture conveying unit and a mixture storage and extrusion feeding unit are arranged in the mixture conveying, extruding and feeding area. The device has the advantages of being efficient in operation, high in weighing precision, good in mixing effect, remarkable in energy conservation, environmentally friendly, high in automation degree and the like.

The utility model discloses a construction waste treatment device, which relates to the technical field of construction waste treatment, and comprises a box body, a magnetic component is fixedly mounted at the top of the box body, an overhaul back plate is arranged on the outer side of the box body, a sorting component is fixedly mounted in the box body, and a crushing component is fixedly mounted in the box body. A first discharging groove is formed in the bottom of the box body, and a second discharging groove is formed in the bottom of the box body. According to the construction waste treatment device, through the arrangement of the sorting assembly, when materials fall to the position above a rotating plate, small objects or gravel and the like can be directly discharged through screening holes, secondary smashing is avoided, large objects can be vibrated by driving the rotating plate through a screening motor to be matched with an upper spring and a rotating shaft, and the screening efficiency is improved. And the conveying motor can drive the conveying belt to work, so that workers can place the materials above the conveying belt, automatic feeding can be achieved, and the workload of the workers is reduced.

The invention relates to the technical field of metallurgical equipment, and discloses a continuous casting machine edge secondary cooling nozzle self-adaptive control device which comprises two spraying devices, each spraying device comprises two vertical guide columns, each guide column is sleeved with a sleeve, the sleeves are controlled to ascend and descend through a lifting system, a mounting block is connected between the two sleeves, and the mounting blocks are connected with the guide columns through a lifting system. A movable block is arranged in the mounting block, a nozzle facing the casting blank is arranged on the movable block, a connecting rod is arranged on the other face of the movable block, the guide rods are sleeved with the two ends of the connecting rod through sleeves, and the movable block reciprocates through a horizontal telescopic system arranged on the mounting block. The invention further discloses a control method of the self-adaptive control device for the edge secondary cooling nozzles of the continuous casting machine. According to the self-adaptive control device and method for the secondary cooling nozzle on the edge of the continuous casting machine, self-adaptive control over the distance and angle of the nozzle under the condition that the width of a casting blank changes is achieved, the good narrow face cooling effect is guaranteed, and transverse and longitudinal cracks are reduced.

The invention relates to the technical field of medical instruments, in particular to a drainage tube convenient to dredge, which comprises a catheter mechanism, a drainage catheter, an in-body catheter arranged at one end of the drainage catheter, and a joint tube and a dredging mechanism which are arranged at one end of the drainage catheter far away from the in-body catheter, the device comprises a shell movably installed on the drainage catheter, and further comprises a supporting assembly arranged in the shell and a dredging assembly rotationally installed on the supporting assembly, and the dredging assembly comprises a sleeve shell part arranged outside the drainage catheter and pressing roller parts rotationally installed in an inner cavity of the sleeve shell part in an annular array; by means of the drainage tube dredging device, the problems that when the drainage tube is blocked, dredging is not easy due to the fact that manual kneading dredging force is small, the drainage tube is easy to seal due to the fact that the force is too large, and therefore a patient is injured are solved.

The invention discloses an underwater video robot detection device and method, and relates to the technical field of diving equipment manufacturing. The underwater video robot detection device comprises an underwater robot, the outer wall of the underwater robot is movably connected with detection equipment, the bottom of the underwater robot is fixedly connected with a base, the bottom of the underwater robot is fixedly connected with a driving mechanism, and the inner wall of the underwater robot is fixedly connected with a guide fan. According to the underwater video robot detection device and method, when water flow passes through the transverse pipe, the Bernoulli principle is combined, irritant medicine powder in the storage bag is squeezed into the transverse pipe under squeezing of pressure intensity, the medicine powder is driven to move by means of pressure intensity difference generated by flowing of the water flow, fish and shrimps are repelled, and the effect of preventing and treating the fish and shrimps is achieved. The influence of fishes and shrimps on the device is avoided, and the other port of the transverse pipe is arranged at the position of the underwater robot, so that the medicine powder mixed water flow can flow through the underwater robot.

The present invention belongs to the field of agricultural machinery, and in particular relates to a sand prevention and control vegetation block forming device, comprising a hydraulic support body, a sliding platform and a feeding frame. Support gas rods are fixedly installed on both sides of the hydraulic support body, and both sides of the sliding platform are fixedly connected to the telescopic ends of the support gas rods. The feeding frame is slidably connected to one side of the upper surface of the sliding platform, and the upper and lower ends of the feeding frame are both open. A discharge structure for guiding and releasing soil is arranged in the feeding frame; a reverse cleaning structure is arranged on the side of the feeding frame close to the shaping mold. In the present invention, soil scattered on the sliding platform and the shaping mold can be cleaned by the arranged bristles, and the cleaned soil is discharged into a soil collecting bag through a soil withdrawal trough for collection, thereby avoiding soil scattering on the ground during work, reducing pollution to the working environment, and reducing the difficulty of cleaning. The soil collecting bag also contributes to the recycling of soil.

This invention discloses a catalytic reactive distillation unit, apparatus, and method. The catalytic reactive distillation unit includes: a reaction mass transfer channel, the upper end of which receives low-temperature liquid-phase reactants flowing downwards, and the lower end of which receives high-temperature gas phase flowing upwards; the reaction mass transfer channel contains a catalyst layer and a packing layer, with the catalyst layer positioned above the packing layer, and a first space between them; and a rising gas bypass, located outside the reaction mass transfer channel and connected to the first space. The liquid-phase products after the catalytic reaction merge with the high-temperature gas phase in the packing layer and undergo gas-liquid mass transfer. The rising gas phase after mass transfer carries the light components from the liquid-phase products into the rising gas bypass, completing mass transfer separation. This invention, through the setting of the rising gas bypass, not only increases the gas phase flow rate and effectively reduces the pressure drop within the reaction mass transfer channel, but also effectively solves the space occupation problem of the equipment. This invention can clean the blockage of the catalyst filter without additional power and can realize online replacement of the catalyst and / or packing.

The application discloses a kind of digital intelligence powder type free matching variable viscosity fracturing fluid skid-mounted equipment and control method thereof, belong to oil and gas field development technical field.The equipment includes stirring mechanism, feeding mechanism, water feeding mechanism and discharging mechanism, and is centrally controlled by control box.Feeding mechanism uses first screw conveyor to deliver solid material to stirring tank body;Water feeding mechanism supplies water to tank by water feeding pump and water outlet pipe with electromagnetic valve, and water quantity is monitored by water inlet flow sensor;Discharging mechanism outputs mixed liquid by discharging pump, and viscosity sensor detects fracturing fluid viscosity in real time.Control box connects each sensor and executing component, realizes automatic adjustment and closed-loop control of material proportioning by collecting flow and viscosity data.The application realizes accurate and automatic preparation of fracturing fluid, effectively solves the problem of inaccurate and poor stability of traditional manual proportioning, and significantly improves the quality of liquid preparation and operation efficiency.

The invention provides a blast hole blocking method, a blast hole blocking device and a blast hole blocking system.The blast hole blocking method comprises the steps that blocking parameter information is obtained, and the blocking parameter information comprises structural parameters of a blast hole and the density rho of a blocking material; according to the plugging parameter information, the mass delta m of a plugging material needed for plugging the blast hole is calculated; and the feeding mechanism is controlled to fill the blast hole with the blocking material, the mass m1 of the blocking material actually filled into the blast hole by the feeding mechanism is controlled, and the difference value between the m1 and the delta m is made to be within the preset range. According to the blast hole blocking method, the safety, efficiency and accuracy of blast hole blocking operation can be improved.

The utility model provides a premix mixing machine feeding device which comprises a feeding machine box, the feeding machine box is fixedly connected with a premix through installation stand columns fixedly installed at the four corners of the lower portion of the feeding machine box, and a discharging pipe opening formed in the lower portion of the feeding machine box and a feeding pipe opening of the premix are installed together through flange connection. A driving motor is mounted on a grinding type feeding mechanism mounted in the feeding machine box, and a material storage cavity, a transition cavity and a grinding cavity which are communicated with one another are formed in the feeding machine box; according to the utility model, the integration of material grinding and conveying is realized through the grinding type feeding mechanism, the vertical series cavities enhance grinding by virtue of gravity and a conical structure, the material pushing blocking plate is matched with the feeding hole group to accurately control materials, the feeding efficiency is improved by virtue of cooperation of the spiral blades and the lines, the process is simplified, and the cost is reduced.

The invention discloses a preparation process of bubble mixed type medium-expansion gel foam. Firstly, gas is injected into solutions of a component A system and a component B system to generate foams, molecules of a cross-linking agent and a thickening agent are promoted to be distributed in a foam liquid film, then the two foams are mixed, the cross-linking agent and the thickening agent in the liquid film are promoted to be subjected to a cross-linking reaction, and medium-expansion gel foams are generated in a gas-liquid-bubble sequential mixing mode. According to the method, the interfacial area of the crosslinking reaction of the crosslinking agent and the thickening agent is increased through bubble mixing, the crosslinking reaction activity is improved by more than 3 times, the dosage of the crosslinking agent is reduced by more than 50%, the problems of uneven liquid-liquid and gas-liquid mixing and the like caused by relatively high viscosity of a gel foam system solution are avoided, and the formed gel foam is continuous in jet flow and high in stability. The produced gel foam has better performance, the maximum foaming multiple exceeds 20 times, and the 25% drainage time is longer than 48 hours.

The utility model discloses a three-phase separator for petroleum and natural gas treatment, and particularly relates to the field of three-phase separators, which comprises a separator body and is characterized in that a feeding pipe is fixedly arranged on one side of the separator body; a filter plate switching device capable of conveniently replacing a filter plate is fixedly arranged at the input end of the feeding pipe and is used for realizing the work of replacing the filter plate when the three-phase separator runs, so that the overall separation efficiency is improved, convenient replacement can be realized, and redundant operation is reduced; a fixing frame is fixedly arranged on the outer surface of the separator body, an air outlet pipe is fixedly arranged at the upper end of the separator body, and a drainage pipe and an oil outlet pipe are fixedly arranged at the lower end of the separator body and fixedly penetrate through the lower end of the fixing frame. According to the three-phase separator, the filter plate switching device is arranged, so that the filter plate can be replaced when the three-phase separator runs, the overall separation efficiency is improved, the filter plate can be replaced conveniently, and redundant operation is reduced.

The invention provides a photovoltaic ring main unit with a safety performance monitoring mechanism, and belongs to the technical field of ring main units, the photovoltaic ring main unit comprises a shell, safety performance detectors are arranged on the outer walls of the two sides of the shell, a fixing plate is fixedly installed on the inner wall of the shell, a heat dissipation assembly is arranged on the outer wall of the fixing plate, and the safety performance detectors are arranged on the outer walls of the heat dissipation assembly. A cleaning assembly and a dredging assembly are arranged on the inner wall of the shell, the cleaning assembly comprises a motor, a transmission rod and a supporting rod, the motor is fixedly installed on the outer wall of one side of the shell, a power rod is fixedly installed at one end of an output shaft of the motor, and a first driving bevel gear is fixedly installed on the outer wall of one end of the power rod; according to the invention, through the arrangement of the cleaning assembly, dust attached to the probe of the safety performance detector is effectively cleaned, the dust is prevented from being blocked by foreign matters, the safety performance monitoring effect in the ring main unit is greatly improved, and the use effect is good.

The utility model relates to the technical field of reaction kettles, and discloses a polyaluminum chloride reaction kettle which comprises a reaction kettle tank body, a first mounting plate is fixedly mounted at the top end of the reaction kettle tank body, a second mounting plate is arranged on the upper side of the first mounting plate, and a stirring motor and a telescopic cylinder are fixedly mounted on the surface of the second mounting plate respectively. The telescopic end of the telescopic air cylinder is fixedly connected with the first mounting plate, a guide sleeve is fixedly mounted in the first mounting plate, a stirring shaft is slidably inserted in the guide sleeve, and a dredging plate is fixedly mounted at the bottom of the stirring shaft. According to the reaction kettle, the telescopic air cylinder is arranged at the top of the reaction kettle tank body, the stirring motor is adjusted to move up and down through the telescopic air cylinder, the stirring arm moves up and down while rotating, the stirring efficiency is improved, and in the stirring process, the dredging plate can be inserted into the discharging pipe to clean blockages, so that the blockage of the discharging pipe is automatically dredged; safe and stable operation of the reaction kettle is ensured, and faults are reduced.

The utility model belongs to the technical field of shell-and-tube heat exchangers, and particularly relates to an anti-blocking shell-and-tube heat exchanger with built-in spoiler blades, which comprises a shell, a flow guide cavity is arranged at the position, close to the left side, of an inner cavity of the shell, a plurality of heat exchange tubes are assembled in the inner cavity of the shell, spoilers are fixedly connected to the inner wall of the shell, the heat exchange tubes penetrate through the spoilers, and the spoilers are fixedly connected to the inner wall of the shell. Drainage pipes are fixedly connected to the positions, close to the two sides, of the side wall of the shell, and guide pipes are fixedly connected to the positions, located on the upper side and the lower side of the flow guide cavity, of the side wall of the shell; cleaning plates are arranged on the sides, located on the spoilers, of the inner cavity of the shell, through holes corresponding to the heat exchange pipes are formed in the side walls of the cleaning plates, and the heat exchange pipes penetrate through the through holes. The heat exchange tube can be conveniently cleaned in a non-stop state, dirt blockage is prevented, liquid circulation is prevented from being affected, and therefore the heat exchange effect of the heat exchange tube is improved.

The utility model relates to a cleaning device and a harvester, the cleaning device comprises a screen box, the rear end of the screen box is provided with a horizontal discharge port, the discharge port is provided with a cleaning loss detection mechanism, the cleaning loss detection mechanism is horizontally arranged at the discharge port, and the discharge port is provided with a discharge port. The length direction of the cleaning loss detection mechanism extends in the direction perpendicular to the material discharging direction, and the two ends of the cleaning loss detection mechanism are detachably connected to the screen box. The detection efficiency can be improved, and the grain loss rate can be reduced.

The application discloses a rotary air preheater capable of preventing ammonium bisulfate blockage, wherein a flue gas flow area of the rotary air preheater is divided into a plurality of flue gas sub-areas; a gas burner is arranged in each flue gas sub-area; the gas burner is ignited regularly during normal operation of the rotary air preheater; high-temperature flue gas generated by the gas burner is used for heating heat storage elements in a flue gas heat exchange area; the temperature gradually increases to 260-270 DEG C; ammonium bisulfate adhered to the heat storage elements in the heat exchange sub-area is decomposed into gas at the temperature, so that the heat storage elements in the area are dredged. The heat exchange area in the rotary air preheater is heated to increase the temperature, decompose ammonium bisulfate, clean blockage on line in each load section, and the difference between the primary hot air temperature, the secondary hot air temperature and the flue gas discharge temperature and the design value is small, so that the boiler combustion and the subsequent dust collector of the air preheater are not adversely affected.

This application discloses a convenient water-refilling steamer, relating to the field of steamers, including a casing, steaming racks, a lid, a locking component, and a water-refilling component. When water needs to be refilled, the lid is rotated open, and the squeeze bottle is held, allowing water inside the squeeze bottle to enter the water storage tank inside the casing through a ball and a hose. When holding the squeeze bottle, the hose between the connecting block and the water tank is blocked by a blocking ball, preventing water inside the squeeze bottle from flowing back into the water tank, thus completing the water refill. There is no need to remove the steaming rack for refilling, making it convenient to use. The upper steaming rack cooperates with the lower holding frame through a rotating plate on the side. When the rotating plate is rotated to a vertical position, the groove at the bottom of the rotating plate cooperates with the rotating rod. Under the action of a spring, the abutment block squeezes the rotating rod into the groove at the bottom of the rotating plate, thereby locking the upper and lower steaming racks, making it convenient to lock different layers of steaming racks.

The utility model discloses a fire-fighting pipeline detection device and a lithium battery charging and discharging equipment fire-fighting pipeline detection system, an air duct with a gas inlet and a gas outlet which are opposite and communicated along a first direction is formed in a butt joint piece, and the gas inlet is configured to allow a spray head of a fire-fighting pipe to extend into; the test piece is communicated with the gas outlet, and the test piece can be used for detecting the flow and / or speed of gas introduced into the air duct through the fire-fighting pipe when the gas is discharged from the gas outlet. Meanwhile, the gas inlet is flared relative to the gas outlet in the first direction, so that when the butt joint piece is in butt joint with the spray head of the fire-fighting pipe, the spray head can be ensured to extend into the air channel of the butt joint piece through the flared air channel even if the position of the spray head has certain deviation, and the fire-fighting pipe is prevented from being damaged. Therefore, the gas can be effectively captured and measured, and the connection fault tolerance of the fire-fighting pipeline detection device and the fire-fighting pipe spray head can be improved.

The invention discloses a waste gas treatment device for environmental engineering, and relates to the technical field of waste gas treatment.The waste gas treatment device comprises an exhaust pipe, a connecting pipe is fixedly arranged on the exhaust pipe, the exhaust pipe and the connecting pipe are used for environmental engineering waste gas emission, and the waste gas treatment device further comprises a main body mechanism and a cleaning mechanism, the device has the advantages that on-line automatic cleaning of the filter screen can be achieved, disassembly or shutdown is not needed, the continuity and efficiency of waste gas treatment are remarkably improved, the cleaning process is comprehensive and controllable due to the telescopic and rotary design of the cleaning roller brush, the filter screen is effectively prevented from being blocked, and the service life of the filter screen is prolonged. The combination of the waste pipe and the sealing cover facilitates centralized collection and cleaning of sundries, maintenance is easy and convenient, the whole structure is strengthened through the supporting mechanism, the service life is long, and the device is particularly suitable for continuously operating waste gas treatment systems in environmental engineering.

The application discloses a cyclone type rainwater grate self-cleaning structure and belongs to the technical field of municipal drainage facilities. The cyclone type rainwater grate self-cleaning structure comprises a grate body, a filter frame arranged in the grate body, a filter screen arranged in the filter frame, a connecting ring arranged in the middle of the filter screen, a connecting pipe arranged at the top of the grate body, a top cover arranged at the top of the connecting pipe, a filter plate arranged in the top cover, a driving mechanism arranged at the top of the filter frame, and a plurality of groups of cyclone blades of the driving mechanism. In use, the cyclone type rainwater grate self-cleaning structure can realize automatic cleaning of the rainwater grate without manual intervention. The greater the external precipitation, the better the cleaning effect. The cyclone type rainwater grate self-cleaning structure can improve the overall efficiency of a rainwater drainage system, reduce the occurrence of local waterlogging, effectively reduce the maintenance cost, and is simple in structure, easy to install and maintain, and suitable for large-scale popularization and application.

The utility model discloses a filter relates to filter technical field, it includes filter body, filtration connection subassembly and filter element part, filter body includes cylinder shell, filter element fixing seat and quick release handle, filter element fixing seat is equipped with the clamping groove, filter element fixing seat one side is connected with cylinder shell through the clamping groove, filter element fixing seat one side is connected with the quick release handle, and filter element fixing seat one side is connected with the quick release handle through the clamping groove. The filter element part is arranged in the barrel shell and comprises a first filter element and a second filter cartridge, the quick-release handle is connected to the outer side of the barrel shell, and the filter connecting assembly comprises a rotary connecting seat, a water inlet connecting pipe, a water outlet connecting pipe and a rotary adjusting part. The water outlet connecting pipe is arranged on the other side of the filter element fixing seat through the rotating adjusting component, the rotating adjusting component comprises a rotating shaft, a sleeve, a connecting block and a spring auxiliary component, and the filter is suitable for various occasions needing water filtration, especially occasions needing frequent replacement of the filter element or adjustment of the position of the water outlet.

The application belongs to the technical field of DNA nanomaterials, and particularly relates to a metal nanoparticle superlattice based on a monomer DNA framework as well as a preparation method and application thereof. The method comprises the following steps: synthesizing a micrometer-level monomer DNA framework template through one-step self-assembly of DNA bricks; mixing metal nanoparticles with a thiolated single-stranded DNA on the surface and the DNA framework template in a buffer containing sucrose to obtain the metal nanoparticle superlattice through sequence-specific hybridization. Compared with the prior art, the application solves the technical problems of structural defects caused by DNA template splicing and heavy metal particle assembly kinetic traps in the prior art. The rigid micrometer-level monomer DNA framework template is synthesized through one-step self-assembly of DNA bricks, and a sucrose-assisted assembly system (SAAS) is used to realize high-fidelity epitaxial assembly of the metal nanoparticles at preset sites of the DNA framework template.

The utility model discloses a sandstone storage yard spray dust suppression rotating support which comprises a mounting plate, the lower side of the mounting plate is fixedly connected with two supporting blocks, the close sides of the two supporting blocks are fixedly connected with an external pipe, and the inner wall of the external pipe is rotationally matched with a water inlet pipe. By arranging the reset spring, the pressed piston, the push rod, the dust suppression assembly and the like, the water pressure can push the pressed piston to move downwards under the action of the water pressure, the dust suppression assembly is driven to act through the push rod, so that the atomization nozzle extends out of the protection groove to start spraying operation, and in the non-working state, when the internal water pressure disappears, the dust suppression assembly is driven to move through the push rod. The reset spring pushes the pressed piston to move upwards, the atomization nozzle in the dust suppression assembly can be driven to retract into the protection groove, dust and sundries can be prevented from blocking the atomization nozzle installed on the support, the atomization end of the atomization nozzle is protected, the follow-up atomization effect is guaranteed, and meanwhile the service life of the atomization nozzle is prolonged.

The application belongs to the technical field of combined valves of compressors, and particularly relates to an air inlet and outlet combined valve and a compressor with the same, which comprises: an air inlet valve seat for passing fluid medium; an air outlet valve seat installed at the bottom of the air inlet valve seat for discharging fluid medium; an air inlet valve plate movably connected to the inside of the air outlet valve seat for controlling the inlet amount of flowing medium, the bottom of the air inlet valve plate being movably connected with an air inlet spring plate; and an air outlet valve plate movably connected to the inside of the air inlet valve seat for controlling the outlet amount of fluid medium, the top of the air outlet valve plate being movably connected with an air outlet spring plate. The application has the advantages of simple operation, safety and stability, strong adaptability, high regulation and control, compressed flow of different flowing media, high compression efficiency, good compression effect, actual compression demand, high stability, strong continuous flow, good fixed-point cooling effect, stable working environment of the air inlet and outlet combined valve and the compressor, and the like.

This utility model relates to the field of plastic particle detection technology and discloses a plastic particle detection device. The device includes: an infrared moisture analyzer with a cover hinged to its top; and a dehumidification mechanism, comprising a fixed block fixedly connected to the top of the cover, a connecting block engaged with the inner wall of the fixed block, and a dehumidification pipe and a through pipe fixedly connected to the inner wall of the connecting block. One end of the through pipe is fixedly connected to the inner wall of the dehumidification pipe. A first spring and a sealing plug cooperate to block the through pipe, increasing the air pressure inside the infrared moisture analyzer. This causes moisture to be guided through the dehumidification pipe to the through pipe, pushing the sealing plug upwards and allowing the moisture to be discharged through the through pipe. This ensures that moisture can be smoothly discharged from the infrared moisture analyzer, preventing moisture from being difficult to expel and thus ensuring the accuracy of the dryness detection of plastic particles.

This application provides a combustion system, a furnace air duct, and a detection method, system, device, and medium thereof. The method includes: determining the current air pressure difference of the furnace air duct, and the current air pressure difference influencing parameters, including the current fan speed and other influencing parameters; determining a preset correspondence set for the furnace air duct; the preset correspondence includes the correspondence between the fan speed and the air pressure difference in the furnace air duct; determining the theoretical air pressure difference based on the current fan speed and the preset correspondence; correcting the theoretical air pressure difference based on other influencing parameters to obtain the current theoretical air pressure difference; determining the current resistance deviation index of the furnace air duct based on the current air pressure difference and the current theoretical air pressure difference; predicting the target resistance value of the furnace air duct at a target time based on the current resistance deviation index; and detecting the blockage status of the furnace air duct based on the target resistance value.