228results about How to "Avoid silting" patented technology

The invention belongs to the technical field of piling devices, and particularly relates to a building foundation piling device which comprises a pile rod and a pile hammer, the pile rod is fixedly connected to the top of the pile hammer, a crushing mechanism is arranged in the pile hammer, and a driving assembly used for driving the pile hammer and the crushing mechanism to rotate in the same direction at different speeds is arranged outside the pile hammer and the crushing mechanism. The states of the fan-shaped blades can be controlled, the fan-shaped blades are controlled to be in a contracting state, the upper spiral fan-shaped blades and the lower spiral fan-shaped blades can be used as spiral blades, the crushing effect on soil in the pile hammer can be improved, the soil in the pile hammer can be lifted upwards, and the soil is conveyed into a pile rod; by controlling the fan-shaped blades to be in an unfolded state, the fan-shaped blades in the unfolded state and the pile hammer form a relatively sealed space, soil can be prevented from being scattered, so that the soil generated by piling is conveniently transferred in the foundation piling process, the operation is simple, the piling efficiency is improved, and the practicability of the pile driving device is improved.

The invention relates to the technical field of aluminum anode machining, and discloses heating equipment for oil well casing aluminum anode machining, which comprises a bottom frame and further comprises two chucks which are mounted on the bottom frame and can rotate, and the two chucks are coaxially arranged and can be adjusted close to or away from each other so as to clamp an aluminum anode tube; the clamp structure is mounted on the opposite surface of the chuck and can center and fix the aluminum anode tube in an inner supporting or outer clamping manner, and a closed space is formed in the aluminum anode tube after the clamp structure is fixed; the heating part extends into the aluminum anode tube and is used for heating air in the aluminum anode tube and heating the aluminum anode tube in a heat conduction and heat convection manner; and the pressure control assembly can be used for pumping out or filling air in the aluminum anode tube. By switching between low voltage and high voltage in the aluminum anode tube, the aluminum anode tube can correspond to heating states in different time periods, so that the quality of a coating in the aluminum anode tube is improved, and the service life of the aluminum anode tube in a severe environment is prolonged.

The utility model provides a corrosion-resistant leaching tank for preparing high-purity lithium carbonate, which comprises a leaching processing tank, a stirring component is arranged in the leaching processing tank, a liquid guide component is arranged at the upper end of a protective cover, and in the preparation process of the high-purity lithium carbonate, a low-speed motor drives a rotating vertical shaft to rotate through a driving bevel gear and a driven bevel gear; a rotating vertical shaft can drive a stirring cross rod and a stirring vertical rod to rotate at a low speed to stir lithium ore powder in the leaching processing tank, and meanwhile, a fluorine lining adjusting valve is opened, so that acid liquor in a liquid storage tank is dispersed and discharged downwards through a connecting pipe, a liquid guide cavity, a communicating cavity and a plurality of liquid discharging through holes; and moreover, the rotating liquid feeding rod can also enable the discharged acid liquid to be scattered in a wider range, the acid liquid is prevented from intensively flowing to a local area to form deposition, so that the acid liquid can be quickly and uniformly mixed with the lithium ore powder in the leaching processing tank, and the mixing leaching efficiency of the lithium ore powder and the acid liquid is higher.

The invention relates to the technical field of chemical or physical analysis, in particular to an ERT technology-based system and method for intelligently monitoring silt blockage of a filling pipeline, and the system comprises an ERT monitoring module, a fluid mechanics optimization module, a blockage risk early warning module, an intelligent scheduling and adjusting module and a self-cleaning and repairing module. According to the method, the conductivity change of fluid in the pipeline is monitored in real time, fluid distribution is accurately mastered, parameters such as flow velocity, pressure and temperature are optimized, the flowing stability of the pipeline is ensured, blockage and deposition are avoided, flowing parameters are dynamically adjusted, flowing abnormity can be rapidly recognized and corrected, the efficiency of the filling process is improved, and meanwhile the self-cleaning function is combined. Sediments are removed through the micro-vibration technology, the maintenance cost and frequency are reduced, the service life of a pipeline is prolonged, the automation and intelligence level of the filling process is improved through the overall scheme, and mine safety and operation stability are improved.

The invention relates to a continuous production device and method of perfluorotributylamine, and belongs to the field of perfluorotributylamine preparation and fluid working systems, in the process, the mass ratio of tributylamine to hydrogen fluoride is (24-30) kg: (200-230) k, hydrogen fluoride is added into an electrolytic bath firstly, and then tributylamine is added; air in the electrolytic bath is replaced by nitrogen before reaction, and the nitrogen is subjected to primary mixing to prepare an electrolyte; then low-voltage current is conducted for an electrolytic replacement reaction, the reaction pressure is controlled to be 0.1-1.5 MPa, and the temperature is controlled to be 5-15 DEG C; the invention provides a perfluorotributylamine preparation method, by controlling the reflux distribution and single circulation path of circulation liquid, products with large specific gravity are prevented from being deposited in pipeline equipment, the reaction activity and the fluorination efficiency are improved, the conversion rate is improved, an electrolytic fluorination method is adopted, the reaction is mild and controllable, the process is simple, the efficiency is high, impurities are few, and the impurities are easy to separate, and the scheme further provides a perfluorotributylamine preparation device. The preparation method is adapted to the preparation process, and the crude perfluorotributylamine product with the purity of more than 80% is obtained under the conditions of simple reaction raw materials and simple and convenient reaction device.

The utility model belongs to the technical field of agricultural drip irrigation equipment, particularly relates to an anti-blocking drip irrigation device for a Yellow River irrigation area, and aims at solving the problem that the anti-blocking treatment effect of an existing device on blocking caused by external silt is not ideal. The following scheme is provided: the anti-blocking drip irrigation device comprises a main water supply pipe and a plurality of drip irrigation thin pipes, according to the device, drip irrigation water supply can be carried out on crops planted in a Yellow River irrigation area, part of Yellow River water can be conveyed into the water storage flushing tank through the main water supply pipe to be stored, after drip irrigation is finished, the water storage flushing tank can be used for flushing water, and the water storage flushing tank can be used for flushing water. The inside of the main water supply pipe can be flushed through stored water stored in the stored water flushing tank, so that silt contained in water of the Yellow River can be prevented from being deposited in the pipe, and blockage of the main water supply pipe caused by long-time use can be avoided; the drip irrigation device has a double anti-blocking function, filtering and conveying are combined together, and the laying cost is greatly reduced.

The invention discloses a leukemia chemotherapy patient intravenous drug extravasation protection device, and relates to the technical field of medical apparatuses and instruments, the leukemia chemotherapy patient intravenous drug extravasation protection device comprises a monitoring fluid break assembly, the monitoring fluid break assembly comprises an infusion table and two side plates, the two side plates are symmetrically and fixedly connected to the two sides of the infusion table, and the top ends of the sides, away from each other, of the two side plates are each fixedly connected with a square column; the two square columns are each connected with a sliding plate in a sliding mode, and the surfaces of the two square columns are each sleeved with a first spring. Intravenous medicine exosmosis of a patient is monitored through the absorbent paper, a subsequent structure is triggered, medicine circulation in the infusion tube is cut off, intravenous infusion can be stopped at the first time, and the situation that the patient cannot find medicine exosmosis in time, and consequently chemotherapy medicine is continuously exosmosis, and the chemotherapy effect is affected is prevented. The problem that the skin necrosis range of the exosmosis part is further expanded is solved, the effect of stopping the chemotherapy medicine can be achieved, and waste of the chemotherapy medicine is avoided.

The invention belongs to the technical field of surgical instruments, and provides a surgical retractor assembly. The surgical retractor assembly comprises an operating handle part, a retractor body connecting part and a retractor working part, the surgical retractor assembly comprises a fixing piece support, the retractor body connecting part comprises a first connecting section, the first connecting section is connected with the operating handle part, an included angle is formed between the first connecting section and the retractor working part, and a support guide rail is arranged in the center of the first connecting section; the fixing part support can slide in the support guide rail and comprises a fixing end close to the drag hook working part, and at least one fixing hole is formed in the fixing end. Additional arrangement of interference surgical operation and replacement of a drag hook are replaced to prolong the surgical time, and meanwhile, muscle and nerves in a surgical area may be injured additionally when the surgical area is retracted for multiple times; the light source set is arranged on the hook body connecting section to conduct auxiliary illumination on the area below the fixing piece support, and the situation that shadows generated by the fixing piece support and temporary screws affect operators is avoided.

The invention belongs to the technical field of automatic control, in particular to a tractor tilling depth automatic control device based on torque adjustment, and provides the following scheme that the tractor tilling depth automatic control device comprises a shaft seat and two rotating arms, the two rotating arms are fixedly connected to the top of the shaft seat, an engine is fixedly connected to the top of the shaft seat, and a lower rotating shaft is rotatably connected to the middle of the shaft seat; the two ends of the lower rotating shaft are located on the two sides of the shaft seat respectively and fixedly connected with coulters distributed at equal intervals, and the lower rotating shaft is in transmission connection with the output end of the engine. According to the device, angle monitoring of the rotating arm is achieved through the relative positions of the copper columns and the copper plates, when the rotating arm deflects to the set angle, the device can achieve automatic adjustment, the copper plates are installed on the two sides of the insulating plate, and therefore the device can adjust the inclination angle of the rotating arm in the two deflection directions of increasing and decreasing, tilling depth control steps are simple, and operation is convenient. And parts are easy and convenient to adjust and maintain, and higher popularization value is achieved.

The invention relates to a perfluorotributylamine preparation device and a perfluorotributylamine preparation process, and belongs to the field of perfluorotributylamine preparation and fluid working systems, in the process, the mass ratio of tributylamine to hydrogen fluoride is (80-100) kg: (200-230) k, the hydrogen fluoride is firstly added into an electrolytic bath, and then the tributylamine is added; air in the electrolytic bath is replaced by nitrogen before reaction, and the nitrogen is subjected to primary mixing to prepare an electrolyte; then low-voltage current is conducted for an electrolytic replacement reaction, the reaction pressure is controlled to be 0.1-1.5 MPa, and the temperature is controlled to be-10 DEG C to 30 DEG C; the invention provides a perfluorotributylamine preparation method, by controlling the reflux distribution and single circulation path of circulation liquid, products with large specific gravity are prevented from being deposited in pipeline equipment, the reaction activity and the fluorination efficiency are improved, the conversion rate is improved, an electrolytic fluorination method is adopted, the reaction is mild and controllable, the process is simple, the efficiency is high, impurities are few, and the impurities are easy to separate, and the scheme further provides a perfluorotributylamine preparation device. The preparation method is adapted to the preparation process, and the crude perfluorotributylamine product with the purity of more than 80% is obtained under the conditions of simple reaction raw materials and simple and convenient reaction device.

The invention discloses a silt flushing system for a gateway, the gateway is provided with a flashboard, and the silt flushing system comprises a water inlet pipeline, a water outlet pipeline and a sensor; a water inlet suitable for water diversion is formed in the water inlet pipeline and is formed in the upstream of the flashboard; the water outlet pipeline is connected with the water inlet pipeline and forms a water outlet suitable for silt flushing, and the water outlet is formed in the downstream of the flashboard and located at the bottom of the gateway; the sensor is arranged on the gateway and used for monitoring sludge distribution in the gateway so as to adjust the water yield of the water outlet according to the sludge distribution. The water pressure difference between the water inlet and the water outlet is used for achieving continuous and automatic water diversion silt flushing, and the water yield is adjusted according to the monitoring result of the sensor to improve the silt flushing effect; the silt flushing process can be automatically completed at the bottom of the gateway, water surface operation is not needed, and normal operation of a ship lock or a water diversion channel is not affected.

The invention relates to the technical field of self-flow dredging at the bottom of a ship lock, and particularly discloses a river channel ship lock anti-silting device and a using method thereof.The river channel ship lock anti-silting device is characterized in that a lock chamber is formed between an upstream gate and a downstream gate, communicating vessels are arranged at the bottoms of the upstream gate and the downstream gate, and a plurality of communicating vessel turbulent flow mechanisms are arranged between channels of the communicating vessels and an upstream channel; the communicating vessel turbulent flow mechanism is provided with a pipeline for connecting the channel and the upstream channel; a plurality of lock chamber turbulent flow mechanisms are mounted at the bottom of the lock chamber at the outlet of the channel of the communicating vessel, each lock chamber turbulent flow mechanism is provided with a turbulent flow cylinder and an inclined base, the inclined bases are fixedly mounted at the bottom of the lock chamber, the turbulent flow cylinders are fixedly mounted on the inclined bases, and the turbulent flow cylinders discharge water entering from the channel of the communicating vessel into the lock chamber; the turbulent flow structure of the lock chamber and the turbulent flow structure of the communicating vessel are adopted, sediment deposition at the bottom of the lock chamber and the bottom of the communicating vessel is avoided, the service life of the communicating vessel is prolonged, the maintenance cost of the communicating vessel and the lock chamber is reduced, and the navigation efficiency of a channel ship is improved.

The utility model relates to a filtering device for recycling wire drawing liquid, which comprises a cylinder shell capable of completing multiple filtering of the wire drawing liquid in sections, the cylinder shell comprises a coarse filtering shell positioned at the axial upper section, a connecting guide shell positioned at the axial middle section and a fine filtering shell positioned at the axial lower section, a coarse filtering assembly, an adjustable communicating pipeline and a fine filtering assembly are respectively arranged in the coarse filtering shell, the connecting guide shell and the fine filtering shell which are connected in sequence, and the coarse filtering assembly and the fine filtering assembly are used for purifying the wire drawing liquid in a manner of constructing a two-stage filtering structure; the fine filtering assembly synchronously completes uninterrupted fine filtering and filter residue cleaning in a partitioned filtering manner; the axial upper end surface and the axial lower end surface of the cylinder shell are respectively provided with a flow inlet and a flow outlet which are used for limiting the inflow and the outflow of wire drawing liquid. The wire drawing liquid filtering device can continuously and continuously perform efficient and high-quality multiple filtering on the wire drawing liquid.

The application discloses a dilution pretreatment detector for ion chromatography detection of underground water and a method thereof, and relates to the technical field of water quality detection.The detector comprises a supporting shell, a dilution liquid storage cylinder is arranged in the supporting shell, an underground water storage cylinder is arranged in one side of the supporting shell, and a stirring dilution cylinder is connected to the bottom of the underground water storage cylinder and the dilution liquid storage cylinder.A series of structures are arranged, which can effectively avoid impurities from accumulating in the filter screen and the cylinder, greatly improve the impurity removal rate, provide high-purity samples for subsequent ion chromatography detection, reduce the risk of pipeline blockage and instrument damage, ensure that the sample concentration after dilution fully meets the ion chromatography detection requirements, significantly improve the accuracy and stability of the detection results, greatly improve the continuity and work efficiency of the underground water sample pretreatment, adapt to batch sample detection requirements, facilitate deep maintenance and component replacement, shorten equipment maintenance time, and reduce use and maintenance costs.

The invention relates to the technical field of shaft construction structures, and discloses a freezing method shaft sinking shaft water intercepting device which comprises an annular device shell, a through opening is formed in the middle of the inner side of the annular device shell, welding columns are evenly distributed on the inner side face of the annular device shell, and lifting rings are installed at the upper ends of the welding columns. A plurality of sets of hydraulic supporting structures are evenly installed in the annular device shell outwards, and a hydraulic oil cylinder is horizontally fixed in the annular device shell. According to the freezing method shaft sinking shaft water intercepting device, an air pump is used for inflating the annular water intercepting air bag through the air guide pipe, so that the annular water intercepting air bag begins to expand after being inflated and becomes an annular ring body, and an expansion telescopic part obviously expands outwards till the annular periphery abuts against the shaft wall; the sealing ring is fully attached to the wall of the shaft to form annular sealing, the sealing effect is good, and when leaking water of the shaft flows downwards along the wall of the shaft, the leaking water is blocked by the annular water intercepting air bag in time.

The utility model relates to the technical field of waste gas treatment equipment, and discloses a dust and waste gas collecting mechanism which comprises a machine body, a separation bin is arranged in the machine body, an air pump is arranged at the edge of the interior of the separation bin, an inner shell is fixedly connected to the center of the interior of the separation bin, and a cavity is formed in the inner shell; a cavity is formed in the inner shell, a separation net is fixedly connected to the interior of the cavity, electric sliding rails are fixedly connected to the two sides of the interior of the inner shell, driving boxes are arranged at the output ends of the electric sliding rails, the number of the driving boxes is two, a motor is arranged in one of the driving boxes, the output end of the motor is fixedly connected with a roller, and the roller is fixedly connected with the motor. And the outer part of the roller is fixedly connected with a brush. The waste gas treatment device has the following advantages and effects that waste gas and dust in the waste gas can be separated, and meanwhile, the dust can be treated again, so that the dust is prevented from being deposited in the separation bin.

The utility model discloses a stirring device for sludge prepared from nutrient soil, which is characterized in that through a feeding barrel arranged at the top of a horizontal stirring barrel in a communicating manner and a spiral blade in the feeding barrel, the sludge firstly enters the feeding barrel when being guided into the horizontal stirring barrel from a feeding hopper; as the feeding barrel and the horizontal stirring barrel are communicated and the internal lengths of the feeding barrel and the horizontal stirring barrel are consistent, when the instantaneous introduction amount of sludge at the feeding hopper is too large, a spiral blade in the feeding barrel rotates along with the rotation of a rotating shaft II driven by a rotating motor; further, sludge at the feeding hole is driven by the spiral blade to flow along the length direction of the feeding barrel to be guided into the horizontal stirring barrel, and the sludge can be uniformly guided into the horizontal stirring barrel, so that the sludge is prevented from being deposited at the feeding hopper, and the guide-in speed of the sludge is increased; the two rotating shafts I are rotationally arranged in the horizontal stirring barrel, and the stirring rods on the two rotating shafts I are arranged in a staggered manner, so that the sludge and the reaction agent in the horizontal stirring barrel can be more fully stirred.

The utility model relates to the technical field of noodle processing equipment, and discloses a water accumulation device of a noodle cut-off machine, which comprises a box body, the inner wall of the box body is fixedly connected with a water discharge hopper, a water tank is arranged in the box body, the top of the box body is provided with a cavity, a water inlet channel is inserted in the cavity, and the water inlet channel is communicated with the water discharge hopper. The top of the water inlet channel is fixedly connected with a sealing layer, the exterior of the water inlet channel is fixedly connected with an installation block, an air cylinder is fixedly installed outside the box body, the output end of the air cylinder is provided with a push rod, the push rod is fixedly connected to the bottom of the installation block, and the bottom of the water inlet channel is fixedly connected with a tensioning plate. The water tank has the advantages that the water inlet channel and the tank body are tensioned, so that the sealing layer is tightly attached to the water outlet, the water tank is installed in the tank body, water in the tank body flows into the water tank through the water discharging hopper, and the water is collected and stored through the water tank.

The present invention discloses an environmentally friendly treatment device for construction waste, comprising: a crushing box, a conveying fan unit and a separation component, and a crushing roller rotatably installed inside the crushing box, a counterattack plate located on the outer periphery of the crushing roller is fixedly installed on the inner side of the crushing box, and a discharging barrel is provided on one side of the crushing box for crushing and exporting. The port of the discharging barrel is connected with the conveying fan unit and the separation component in sequence, and the conveying fan unit comprises a wind tube motor seat and a centrifugal impeller. The outer periphery of the centrifugal impeller is provided with a plurality of guide blades fixedly connected with the inner side of the wind tube. In the present invention, by setting a new type of crushing and environmentally friendly treatment structure, powder cyclone centrifugation and export are carried out under the treatment of the conveying fan unit and the separation component, and the crushed powder is guided to be concentrated and discharged inside the dust guide ring seat, so as to achieve efficient filtration, completely avoid blockage and siltation caused by a large amount of dust, and improve the treatment efficiency.

This utility model discloses a waterproof coating spraying tool with a rotatable nozzle, comprising: a transfer cart with a handle on one side, a coating tank at the top of the transfer cart, a coating nozzle on one side of the coating tank, and a rotating component for adjusting the angle of the coating nozzle on the outside of the coating tank; the interior of the coating tank is equipped with a liquid level display component for easy observation of the liquid level inside the tank. This utility model, by incorporating a rotating component for adjusting the angle of the coating nozzle, allows for different degrees of rotation of the nozzle angle, facilitating adjustment of the spraying angle and enabling quick adaptation to different spraying surfaces. This avoids the need for repeated adjustments to the equipment position or manual intervention, which can prolong spraying time. Furthermore, the rotating component adopts an open structure, preventing coating accumulation; cleaning can be achieved simply by wiping, simplifying maintenance.

The present invention relates to a coal mine underground coal slime water treatment reuse system and method, the system comprises a solid-liquid separation unit for removing large-size particles in coal slime water by vibration separation, cyclone separation and filtration, a pretreatment unit for removing suspended particles, flocs and colloids in coal slime water by precipitation, clarification and filtration, an ultrafiltration treatment unit for removing suspended particles, flocs and colloids in coal slime water by self-cleaning filtration and ultrafiltration membrane filtration, and a reverse osmosis treatment unit for reducing the content of soluble solids and ions in coal slime water by security filtration and reverse osmosis membrane filtration; the solid-liquid separation unit, pretreatment unit, ultrafiltration treatment unit and reverse osmosis treatment unit are connected in sequence by pipelines. The coal mine underground coal slime water treatment reuse system effectively reduces the difficulty of underground coal slime water treatment, avoids siltation in water tanks, reduces the energy consumption of lifting treatment, improves the efficiency of particle removal in coal slime water, and improves the underground reuse degree of mine water.

The present application provides a medium-to-large-sized river channel sediment zero-carbon self-repairing system and topological structure, the medium-to-large-sized river channel sediment zero-carbon self-repairing system comprises: a mud brick integrated machine is provided beside the river channel, a photovoltaic array is installed on at least one side of the river channel bridge, the photovoltaic array converts direct current into alternating current through an inverter to power the mud brick integrated machine; wherein, the number of photovoltaic panels in the photovoltaic array is determined according to the length of the bridge, the maximum photovoltaic output power generated by the photovoltaic array is calculated according to the length of the bridge, the total amount of sediment that the mud brick integrated machine needs to process is calculated, and the model of the mud brick integrated machine is selected based on the maximum photovoltaic output power and the total amount of sediment, so that the amount of photovoltaic energy generated by the photovoltaic array matches the energy consumption of the mud brick integrated machine, forming a medium-to-large-sized river channel sediment zero-carbon self-repairing system. The present application also arranges all river channel data through logical operations by setting a topological structure between the power supply side and the load side of the river channel, thereby realizing sediment zero-carbon self-repairing.

The utility model discloses a fan-shaped ball tooth drill bit with a main nozzle and an auxiliary nozzle, which comprises a drill bit body and a matrix, the drill bit body is fixedly connected with the matrix, the diameter of the matrix is larger than that of the drill bit body, the side wall of the matrix is provided with the main nozzle and the auxiliary nozzle, and the auxiliary nozzle is formed by integrally connecting three sections of curved surfaces. Through the design, the three sections of curved surfaces of the auxiliary water gap increase the flowing area of cooling liquid when the cooling liquid passes through the auxiliary water gap, and compared with most right-angle auxiliary water gaps, the auxiliary water gap structure has the advantages that the resistance to the flowing cooling liquid is smaller, the flowing speed of the cooling liquid is slightly high, and the flow of the cooling liquid passing through the auxiliary water gap in unit time is increased; and the heat dissipation effect of the drill bit is enhanced.

The utility model discloses an aquatic plant planting bed suitable for hard water bottom, which comprises a floating bed, the lower end of the floating bed is provided with an anti-sinking mechanism, the anti-sinking mechanism comprises a fixing frame fixedly connected to the lower end of the floating bed, the inner side of the fixing frame is in sliding connection with a sliding block, the lower end of the sliding block is fixedly connected with a supporting rod, and the supporting rod is fixedly connected with the floating bed. The supporting rod penetrates through the interior of the fixing frame and is in sliding connection with the fixing frame. According to the aquatic plant planting bed suitable for the hard water bottom, a contact plate is pulled, a supporting rod drives a sliding block to move in the inner side of a fixing frame, a sliding rod slides in the inner side of a limiting ring, then a threaded rod is inserted into the inner side of a limiting hole, an inner threaded ring is screwed on, and the sliding rod can slide in the limiting hole; the purpose of conveniently limiting the length of the supporting rods is achieved, so that the supporting rods can limit the height of the floating bed in water, and then root systems of plants are prevented from making contact with sludge at the water bottom.

The utility model relates to a silt prevention device for a brine well, which comprises a protection piece (1), the protection piece is formed by connecting a plurality of protection cylinders (2), each protection cylinder comprises an upper support ring (21), a lower support ring (22), a connecting rod (23) and a filter screen cylinder (24), the upper support ring (21) is provided with a first connecting piece (211), the lower support ring is provided with a second connecting piece (221), and the connecting rod is respectively and fixedly connected with the upper support ring and the lower support ring. A plurality of connecting rods are arranged, and the plurality of connecting rods are annularly and uniformly distributed to form a cylindrical supporting structure. The filter screen cylinder sleeves the periphery of the supporting structure, two ends of the filter screen cylinder are fixedly connected with the upper supporting ring and the lower supporting ring respectively, and the inner side of the filter screen cylinder is fixedly connected with the connecting rod. Every two adjacent protective cylinders on the protective piece are fixedly connected through cooperation of the first connecting piece and the second connecting piece. The device can prevent the well wall of the brine well from collapsing and sediment deposition.

The utility model discloses a drainage side ditch of a mountain road, which belongs to the technical field of drainage side ditches and comprises a bearing plate and a drainage ditch, the drainage ditch is arranged below the bearing plate, an embedded pipe column is embedded on the outer side of the drainage ditch, a connecting hole is arranged on the surface of the bearing plate, a ground anchor penetrates through the connecting hole to be connected with the embedded pipe column, and a ground anchor is arranged inside the embedded pipe column. The bottom of the bearing plate and the upper edge of the drainage ditch are integrally provided with a convex strip and a positioning concave strip, and the drainage ditch is integrally provided with a buckling surface; and the buckling surface is in a concave-convex shape and is arranged in a matched manner. The inserting column is arranged in a conical shape, the inverted nails are obliquely arranged on the surface of the inserting column, when the inserting column is inserted into the ground, the drainage ditch can be more stable, meanwhile, due to the fact that the bearing plate is fixed through the ground anchors and the protruding strips are connected with the grooves, the bearing plate and the drainage ditch form a whole, and the strength is improved.

The utility model provides a mud guide device between casing for overwater rock -embedded pile platform, relate to mud field, including adjustment mechanism, the outer wall fixed connection of adjustment mechanism has a group of connecting mechanism, adjustment mechanism includes the floating plate, the top fixed connection of floating plate has first box body, in the utility model, through the bevel gear drive structure in adjustment mechanism, and cooperate the linkage of screw rod and lifting column, can adjust the height of flow guide pipe flexibly, the outlet height of different mud production casing in steel platform bored pile construction is adapted accurately, in order to carry out flow guide subsequently, effectively solve the height mismatch problem between mud production casing outlet and device entrance under the steel platform bored pile construction scene, the concrete block of floating plate bottom helps reduce the overall gravity center of device, in the overwater environment where steel platform is, can significantly reduce the shaking and overturning risk brought by wind wave and current, guarantee the safety of mud flow guide operation when steel platform bored pile construction.

The invention relates to the technical field of sewage purification and treatment, in particular to a garden landscape sewage purification and circulation treatment device which comprises a main body shell, the main body shell is located in the center of garden landscape through a supporting table, a water inlet is formed in the outer side of the main body shell, and a water outlet is formed in the bottom end of the main body shell; the rotary filter cylinder unit comprises a first storage cylinder and a filter cylinder, and the self-cleaning unit comprises a cleaning disc, a cleaning brush and a cleaning scraper; a first connecting pipe communicated with the first storage cylinder is arranged on the outer side of the second storage cylinder, a first pump body is arranged on the outer side of the first connecting pipe, and a water drainage pipe is arranged at the bottom end of the second storage cylinder; the cleaning brush and the cleaning scraper are driven by the cleaning disc to continuously scrape and sweep the inner wall of the filter cartridge, so that automatic online cleaning is realized, frequent manual disassembly and cleaning are not needed, the maintenance cost and the labor intensity are reduced, and continuous water purification circulation is ensured.

The utility model relates to a kind of high-rise residential roof solar energy infrastructure, including foundation support and waterproofing membrane layer, waterproofing membrane layer is set on roof structure board by foaming agent pitch layer or concrete pitch layer, insulating layer is laid on waterproofing membrane layer, rigid concrete surface layer is set on insulating layer, foundation support prefabricated support or direct locking support on rigid concrete surface layer. Waterproofing membrane layer exceeds the periphery of foundation support ≥100mm. Foundation support and rigid concrete surface layer are provided with waterproof concrete surface layer. 10-30mm separation joint is set within 100mm outside foundation support root on waterproof concrete surface layer, and oil paste is embedded in separation joint. Its structure is simple, can give consideration to construction convenient, improve original roof waterproofing and thermal insulation performance and reduce maintenance use cost.

The invention belongs to the field of Internet of Things, and particularly relates to a heat dissipation management method, system and device of a notebook computer and a storage medium, and the method can determine the distribution of overtemperature computers by monitoring the position and temperature of the notebook computer in a target space. An airflow path of heat dissipation airflow required by the overtemperature computer is determined according to the distribution, air supply parameters of the heat dissipation airflow generated by the air supply equipment can be determined according to the airflow path and the position of the air supply equipment, and then the air supply equipment is controlled to supply air according to the air supply parameters, so that the overtemperature computer can be subjected to the effect of the heat dissipation airflow; therefore, heat around the over-temperature computer can be transferred and is prevented from being deposited around the notebook computer, and the heat dissipation effect of the notebook computer is guaranteed.