14results about How to "Avoid silting" patented technology

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.

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 application discloses an inductor capable of preventing heat accumulation, and belongs to the technical field of inductor heat accumulation. In order to solve the problem that a traditional inductor is inconvenient to set and collect hot gas rising due to heat through an embedded structure, heat accumulation in the inductor is prevented through the mode of dispersing hot gas. When a certain amount of hot gas is concentrated, the inductor is released from the hot gas, thereby avoiding the problem of long-time heat accumulation in the inductor. The embedded ring is embedded on the upper end of the inductor shell, and large heat radiating fins are fixed on the upper end of the inductor shell. The heat generated by the inductor coil drives gas to rise. The heat radiating assembly absorbs the gas in the inductor shell and the large heat radiating fins through four air inlet pipes and fixing pipes, and finally releases the gas, so that the purpose of avoiding heat accumulation is achieved.

The utility model provides a kind of purification device for fresh air system pipeline, including last stage air pipe, the bottom of last stage air pipe is fixed with docking pipe, the bottom of docking pipe is detachably connected with docking ring by screw, the bottom of docking pipe is fixed with mounting bracket, the bottom end middle part of mounting bracket is fixed with motor, the top output end of motor is fixed with air supply fan blade, air supply fan blade works in the inner wall middle part of docking ring, docking ring and docking pipe are detachably designed by screw, it is convenient for user to check and maintain filter screen between upper pressing plate and lower pressing plate, motor drives air supply fan blade to rotate in docking pipe, cooperate last stage air pipe to send the air that new air system pumps to indoor, effectively avoid that indoor pollutant enters into last stage pipeline due to the backflow of wind speed reduction in new air system last stage pipeline, complete the purification design of last stage pipeline.

The utility model discloses a kind of coal mine water prevention and treatment water-filled channel building structure, including upside installation base, downside installation base, upside installation connecting piece, downside installation connecting piece and support rod;Second chute is opened on the downside installation base, first sliding block is slidably connected in the second chute, the first sliding block is fixedly connected with first ball joint by fixed rod;A kind of coal mine water prevention and treatment water-filled channel building structure, by the modularization design of above upside installation base and downside installation base as base frame unit module, single frame unit can be assembled in advance and then enter underground field splicing, without using integral pouring or welding and other complex process, greatly simplify underground construction process, reduce the complex operation in the limited space of underground, to effectively reduce construction operation difficulty and operation intensity.

This invention belongs to the technical field of drainage ditch lining drainage systems, and relates to a unidirectional flow-guiding anti-siltation device and construction method. It includes a double-cylinder check valve for connecting the inner cavity of the drainage ditch to the water conveyance channel. The double-cylinder check valves are detachably arrayed and installed on the slope of the drainage ditch. The double-cylinder check valves are filled with geotextile, and the outlet of the double-cylinder check valve is covered with a wire mesh cap. This invention uses a double-cylinder check valve structure, which enhances unidirectional flow performance through a double chamber filled with geotextile. It allows water flow while intercepting fine sand and mud, preventing siltation at the valve outlet. It also clears the lining gaps, ensuring timely and effective release of seepage pressure in the lining structure under high groundwater levels, preventing lining bulging and cracking. The wire mesh cap at the outlet further physically blocks large particles of impurities, significantly reducing the risk of internal blockage.

The application discloses a kind of based on low temperature embrittlement cooperates prefabricated mark guide plate stamping equipment, including base and the shelf plate of being movably arranged on base, the holding module for being clamped and positioning outside the processing area of tensioning the plate to be processed of outside the plate to be processed is arranged between the base and shelf plate, and the groove prefabricated module for processing V-shaped guide groove to outside the plate to be processed preset fracture zone, the low-temperature cooling module for the plate after being processed by groove prefabricated module is arranged on the side of base, to reduce the temperature of plate and maintain low-temperature atmosphere by being used for rapid cooling, and the control cabinet for being respectively communicated connection control with holding module, groove prefabricated module and low-temperature cooling module.The application solves the problem that traditional stamping process handles high-strength alloy plate and the outer ring component of difficult deformation material, because prefabricated mark processing, low-temperature treatment and stamping forming link discrete layout lead to parameter matching, low-temperature embrittlement uncontrollable, difficult to realize the problem of accurate control of fracture surface quality.

This invention relates to a modular, anti-siltation bottom aquaculture device. The device includes an aquaculture module and an anti-siltation module. The aquaculture module has a cubic frame structure, within which several shellfish aquaculture cages or ropes are installed. The anti-siltation module includes several flip-up plates spaced apart on the lower plane of the cubic frame structure of the aquaculture module. This invention can be customized to suit the seabed characteristics of different sea areas, and each device is an independent aquaculture space, facilitating processing, transportation, assembly, and deployment. It is highly practical and effectively reduces labor and transportation costs. The anti-siltation module has a simple structure and can freely switch between deployment and harvesting states, effectively solving the siltation problem in bottom aquaculture. To increase service life, an anti-corrosion module can be added, fixing sacrificial anodes to the aquaculture module. This invention significantly reduces aquaculture costs and enables large-scale, green, and ecological shellfish aquaculture in bottom sea areas, demonstrating strong applicability and economic viability.

The application discloses a flue gas water-saving and multi-pollutant removal device and a working method thereof, and belongs to the technical field of flue gas water-saving. The device comprises a flue gas inlet pipe, a cylinder and a dehydrated flue gas passage which are sequentially connected. The outer wall of the cylinder is provided with a reinforced radiation cooling coating. A plurality of rows of high-voltage electrode columns and ground electrode columns are alternately arranged in the front section of the flue gas inlet pipe. The dehydrated flue gas passage is externally nested with a condensed water collecting device, and the condensed water collecting device is connected with the cylinder. A plurality of condensed water collecting openings are arranged in the outlet transition section, and the condensed water collecting openings are communicated with the condensed water collecting device. A vibrating string grid is arranged in the dehydrated flue gas passage, and a plurality of drainage holes are arranged on the dehydrated flue gas passage below the vibrating string grid. The device has the advantages of compact structure, small volume and low energy consumption, and can realize low-temperature and high-efficiency recovery of water in flue gas and simultaneous removal of multi-pollutants.

The application discloses a semi-automatic three-dimensional orchid planting device suitable for indoor use and belongs to the field of plant planting devices. Mainly including a planting assembly, one side of the planting assembly is provided with a water conveying assembly, the planting assembly comprises a supporting frame, a horizontally laid and hollow seat plate is fixedly installed on the supporting frame, a planting pipe is placed on the seat plate, a plurality of groups of equidistant drainage holes are formed in the bottom of the planting pipe, the drainage holes can timely drain the moisture in the planting pipe, the semi-automatic three-dimensional orchid planting device suitable for indoor use can effectively control the dryness and humidity of the soil in the planting pipe, create a ventilated and moderately humid growth environment for the root system of the orchid, and effectively avoid the problem of root rot of the plant.

This application relates to the field of lithium hexafluorophosphate production technology, specifically disclosing a high-efficiency reactor for lithium hexafluorophosphate production. The reactor includes a reactor body and a stirring shaft positioned at the center of the reactor body. A motor is fixedly connected to the top of the stirring shaft. A circular opening is formed at the center of the top of the reactor body, and a flange seal connects to an air inlet cylinder extending into the reactor body. A channel is formed at the center of the top of the air inlet cylinder, through which the stirring shaft extends into the bottom of the reactor body, forming an air inlet chamber between the stirring shaft and the air inlet cylinder. An air inlet pipe is provided at the top of the reactor body, extending into the reactor body, with its end penetrating the air inlet cylinder and communicating with the air inlet chamber. Gas is transported from top to bottom along the air inlet chamber into the reactor to participate in the reaction, resulting in a long residence time of the reactant gas in the reactor, thus ensuring that most of the gas participates in the reaction and improving reaction efficiency.

The utility model belongs to the technical field of furnace body equipment, especially relates to air curtain structure and its furnace body equipment. One kind of air curtain structure, include: mounting plate, its setting in the material import and export of solidification furnace, the outer cover of pumping air is set in mounting plate top, and is communicated with the air draught fan, a number of high temperature adhesive tape, its parallel even distribution is in mounting plate inner top wall, wherein, the air draught fan generates directional negative pressure airflow through the outer cover of pumping air, the extension direction of high temperature adhesive tape and solidification furnace in material conveying direction is positive intersection, to form the composite barrier screen of hot air current in solidification furnace. Through the cooperation of the outer cover of pumping air and high temperature adhesive tape, the synergistic mechanism of physical blocking and negative pressure suction is realized, and the temperature in the furnace body is avoided uneven.

The application belongs to the field of medical devices, and particularly relates to a valve prosthesis for treating a tricuspid valve, comprising a stent and artificial valve leaflets, wherein the stent comprises a braided ring and a valve sewing segment, the braided ring is connected with the valve sewing segment, the braided ring comprises a ventricular part, an annulus part and an atrial part, the atrial part comprises a septal annulus segment, an anterior annulus segment and a posterior annulus segment, the anterior annulus segment and the posterior annulus segment are both provided with close-fitting structures, the close-fitting structures enable the edges of the anterior annulus segment and the posterior annulus segment to be pressed towards the proximal end direction, the edges of the anterior annulus segment and the posterior annulus segment are in a wavy shape, the edges of the middle region of the anterior annulus segment and the middle region of the posterior annulus segment are at wave trough positions, the edges of the end of the anterior annulus segment and the end of the posterior annulus segment are at wave crest positions, and when the native valve is opened and closed, the edge height of the middle region of the anterior annulus segment and the edge height of the middle region of the posterior annulus segment are always lower than the edge height of the end of the anterior annulus segment and the edge height of the end of the posterior annulus segment.

This invention discloses a slurry tank mixing device, comprising longitudinal steel rails fixedly mounted on both sides of the slurry tank, a transverse trolley mounted above the slurry tank and capable of traveling longitudinally along the steel rails, a transverse track fixedly mounted on the trolley, a base mounted on the trolley and capable of traveling transversely along the track, a mixer fixedly mounted on the base, and a drive unit mounted on the trolley for driving the trolley longitudinally and / or driving the base transversely. When the mixer is running, it agitates the slurry in the slurry tank, preventing sedimentation or accumulation. Driven by the drive unit, the impeller of the mixer moves transversely, longitudinally, or obliquely within the slurry tank, agitating all corners of the slurry tank and avoiding dead zones. The impeller of the mixer can also be reduced in size, and the power of the motor can also be reduced. With a smaller impeller diameter, the mixing area is larger as the impeller moves, and the reduced motor power saves energy.