18results about How to "Reduce discharge pressure" patented technology

The invention provides a self-protection UPS power supply, and relates to the technical field of UPS power supplies, the self-protection UPS power supply comprises a main control module, a battery module, an inverter module, a power supply input interface and an output interface, the main control module is electrically connected with the battery module, the inverter module, the power supply input interface and the output interface, through the built-in artificial intelligence driving electric energy management system, the UPS power supply can learn the power utilization habit of a user and predict the future load demand, the discharging strategy and the charging scheme are dynamically adjusted, and the battery utilization rate and the charging efficiency are maximized. Besides, when an integrated MPPT (maximum power point tracking) controller is connected to a solar panel, the energy conversion efficiency of solar energy can be accurately tracked and optimized, renewable energy sources are fully utilized, the energy self-sufficient capacity and the endurance time are remarkably improved, and the system is particularly suitable for outdoor environments or environments with unstable electric power conditions.

The invention belongs to the technical field of ion beam generation devices, and particularly relates to a long-pulse high-energy Penning ion beam generation device and method, and the device comprises a plasma generation unit, an ion beam extraction unit, an ion beam deflection unit, and an ion beam acceleration focusing unit. The plasma generation unit is used for generating a plasma source with relatively high density under low air pressure, the ion beam extraction unit is used for extracting a low-energy ion beam from the plasma source, and the ion beam deflection unit is used for separating a low-energy electron beam from part of charged particles of the plasma source; the ion beam accelerating and focusing unit is used for accelerating and focusing the low-energy ion beam extracted from the plasma source to form a high-energy ion beam. According to the mode, the device can accelerate and focus the ion beam under higher voltage, is not only suitable for industrial processing and manufacturing and ion beam material surface modification, but also can be used as excitation for interacting with plasma source microwaves to generate a novel radiation source and the like, and is wider in application range.

The invention discloses a construction method of an FRP (Fiber Reinforce Plastic) constrained fly ash geopolymer roadside filling body, which relates to the technical field of coal mining, and comprises the following steps: firstly, preparing a prefabricated FRP pipe, a filling mold bag, a filling material containing fly ash and the like, and a related filling system; after the working face is pushed, preparation work such as top plate supporting is carried out, and then the prefabricated FRP pipe and the filling mold bag are installed to form a to-be-filled pipe column. The fly ash and other materials are stirred by a stirring station to prepare the fly ash-based geopolymer filling material, the filling material is injected into a pipe column filling mold bag, and after filling, an ultra-high molecular weight polyethylene belt is used for winding. And constructing an air leakage prevention wall comprising a metal net, air duct cloth and a reinforcing mesh, and laying a concrete layer to seal the goaf. According to the method, waste such as fly ash is fully utilized, the construction cost is reduced, the thermal damage problem of the high-temperature mine filling body is solved, the bearing capacity of the filling body is improved by means of FRP constraint, the gob-side entry retaining roof supporting effect is guaranteed, the coal resource recovery rate is increased, and coal-pillar-free continuous mining is promoted.

This utility model discloses a system for the treatment and recycling of domestic sewage in courtyards, relating to the field of environmental protection technology. It includes a three-compartment septic tank, a leachate tank, a multi-stage composite packing infiltration system, a water storage tank, a water distribution tank, and a rhizosphere water distribution system, connected in sequence. The multi-stage composite packing infiltration system comprises multiple layers of composite packing material and a surface planting layer. Each composite packing layer is composed of multiple modular structures. Each modular structure includes a box, with handle holes on its side walls. The distance between the handle hole and the top of the box is less than the thickness of the boss. Adjacent boxes on the same layer are fixedly connected by plugs. The thickness of the plugs is greater than the thickness of one handle hole but less than the thickness of two handle holes. The leachate tank is located on the ground. The modular structure of this utility model, through the handle hole and plug design, ensures horizontal connection stability. By adding a leachate tank, the discharge pressure of the sewage pump is reduced, ensuring the normal operation of the sewage pump.

The present invention discloses a crushing and solid-liquid separation device and a garbage disposal device, wherein the crushing and solid-liquid separation device includes a box body, the box body is provided with a feed port, a discharge port located at the upper end thereof and a liquid discharge port located at the lower end thereof, a spiral conveying shaft is vertically arranged in the box body, the spiral conveying shaft is connected to a driving device for driving its self-rotation, the spiral blades of the spiral conveying shaft are located in a solid-liquid separation barrel, the solid-liquid separation barrel is located in the box body and is connected with the feed port, the discharge port and the liquid discharge port, and the inner wall of the solid-liquid separation barrel is provided with a cutter that forms a shear force with the spiral blades on the spiral conveying shaft. This scheme enables the solid to move upward and the liquid to move downward to achieve solid-liquid separation, adopts the spiral blades and the cutter to cooperate to generate shear force, and the conveying and crushing are synchronized. The entire device only needs one power source to achieve garbage crushing and solid-liquid separation, the device has high integration, small size, and is easy to process, and the equipment cost and use cost are low, which is convenient for application in homes, canteens, restaurants and other occasions.

The invention discloses high-specific-surface-area porous carbon based on coal gasification carbon residues and a preparation method and application thereof.The method comprises the steps that coal gasification residues serve as raw materials and are treated to obtain a carbon-rich precursor, and the carbon-rich precursor is carbonized to obtain a coal gasification residue-based hard carbon matrix; then, the hard carbon matrix is in contact with a modified solution containing hydrogen peroxide, synergistic pore-forming agents such as an inorganic gas generating type pore-forming agent, an organic small molecule pore-forming agent and a soft and hard template pore-forming agent can be further added into the modified solution, and selective oxidation etching and gas-phase pore-forming are carried out under the conditions of controlled temperature, time and pH; a multi-scale micropore and mesopore structure is formed; and washing, drying and re-carbonizing or thermally annealing to obtain the coal gasification slag-based hard carbon material with high specific surface area. Compared with unmodified hard carbon, the method has the advantages that the specific surface area can be obviously increased, micropores and mesopores are synergistically developed, electrolyte infiltration and an ion transmission channel are obviously improved, and controllable construction of a multistage pore channel can be realized on the premise of ensuring relatively high yield and structural stability.

The invention discloses a modularized dynamic water quality regulation and control and algae prevention and control device for aquaculture, and relates to the technical field of aquaculture equipment.The modularized dynamic water quality regulation and algae prevention and control device is characterized in that a modularized main body supporting structure serves as a carrier, buoyancy supporting and spatial positioning are provided, and a charcoal-bacteria targeted synergistic pollution reduction system is arranged on the modularized main body supporting structure for pollution reduction; a full-period dynamic regulation and control module is mounted at the top to realize signal transmission and linkage control; a functional floating bed planting unit covers the upper part; an accurate algae prevention and control assembly is further arranged and is matched and linked with other parts through the layout of a supporting structure, and an all-dimensional prevention and control system is formed; according to the invention, multi-modal fusion and self-adaptive acquisition are adopted, and strict quality control is combined to guarantee data reliability; efficiency and safety are both considered through dynamic bandwidth transmission and encryption processing; parameter changes are accurately captured through edge end AI analysis, and misjudgment is avoided; meanwhile, a time sequence coupling algorithm and a multi-dimensional early warning mechanism improve the risk identification timeliness, realize resource optimization configuration, construct a personalized risk prevention and control system and strengthen the health monitoring accuracy.

The utility model belongs to the technical field of animal husbandry equipment, and provides an excrement cleaning and shoveling device which comprises a material gathering shoveling box, a material shoveling opening is formed in the front side of the material gathering shoveling box, and a material discharging opening is formed in the rear side of the material gathering shoveling box; the material picking guide mechanism comprises an expanding and gathering plate and an opening degree adjusting unit, the expanding and gathering plate is movably arranged at the material shoveling opening, the two ends of the opening degree adjusting unit are connected with the material gathering shovel box and the expanding and gathering plate respectively, and at least one end of the opening degree adjusting unit is movably connected with the material gathering shovel box and the expanding and gathering plate; and the material collecting mechanism is arranged in the material collecting shovel box and is used for collecting and gathering the manure shoveled in from the material shoveling opening to the discharge opening. According to the dung cleaning and shoveling device, the shoveling width can be adjusted according to the width of a dung channel of a pasture, dung is prevented from being left on the two sides, the dung cleaning and shoveling device is good in dung cleaning and shoveling effect and wide in application range, the requirements of different clients are met, the dung cleaning efficiency is effectively improved, and the labor intensity of workers and the dung cleaning cost are reduced.

The invention relates to the technical field of aluminum product surface machining, in particular to an aluminum product surface machining device which comprises a gun body, a fixing part is arranged at a muzzle of the gun body, a plurality of diffusion assemblies used for controlling coating distribution are arranged on the outer surface of the end, away from the gun body, of the fixing part, and an elastic assembly is arranged in the fixing part. The multiple diffusion assemblies are hinged to the elastic assembly, and guide assemblies are arranged at the ends, corresponding to the upwarp ends of the multiple diffusion assemblies, of the fixing piece. The aluminum product spraying device has the beneficial effects that by arranging the diffusion assembly, the elastic assembly and the guide assembly and utilizing simple trigger control, a worker can easily adjust the spraying pressure and the diffusion range according to needs, when corners or surface concave positions of an aluminum product need to be sprayed, the discharging pressure is reduced, small-range diffusion of paint is achieved, and the spraying efficiency is improved. And unnecessary coating diffusion is reduced, it is ensured that the target area can be accurately coated with the coating, the problem of uneven spraying or missing spraying is avoided, and the universality and flexibility of equipment are improved.

The utility model relates to the technical field of municipal engineering, in particular to a self-cleaning drainage pipeline device which comprises a water inlet pipe, the port of the water inlet pipe is communicated with a flow dividing component, the side face of the flow dividing component is communicated with a water outlet pipe, the flow dividing component comprises a shell, the inner wall face of the shell is fixedly connected with a drainage plate, and the inner wall face of the shell is fixedly connected with the drainage plate. The top of the drainage plate is fixedly connected with a coil, the side face of the coil is fixedly connected with a cable, the top of the coil is fixedly connected with a top block, the top block is connected with a fixed iron core in a penetrating mode, the bottom of the fixed iron core is fixedly connected with a first spring piece, and the bottom of the first spring piece is elastically connected with a movable iron core. The side face of the shell is fixedly connected with an outflow plate, a streaming component is arranged on the side of the outflow plate, a water flow channel is flexibly blocked in the mode that a magnetic field is generated through an electrified coil and an iron core is inserted to enhance magnetic flux, and accumulated water containing garbage is prevented from severely blocking a pipeline within a short time.

The invention relates to the technical field of ferrous metallurgy, and discloses a method for preparing a converter cold charge by using copper slag, which comprises the following steps: weighing the following raw materials in percentage by weight: 30-55% of copper slag, 10-30% of oxide scale, 20-35% of converter fly ash, 3-10% of magnetic separation tailings and 3-5% of binder; mixing the weighed raw materials, adding water, and mixing; the mixture obtained in the second step is fed into a ball rolling machine to be pressed into a wet block mass, and the converter cold material is obtained after the wet block mass is dried; according to the method, iron and copper in the copper slag are directly utilized, so that the dependence on traditional cold materials (such as sintered ore, pellet ore and waste steel) is reduced, the step of additionally using materials such as copper plates as alloy raw materials is omitted, and the cost of the steelmaking procedure is remarkably reduced; zinc in the copper slag escapes in the form of Zn steam and is finally condensed into zinc oxide or secondary zinc oxide in the flue; and by recovering the zinc element in the converter ash, a steel mill can sell the zinc element to a zinc recovery manufacturer, so that the economic benefit is further improved.

The present invention measures pressure responses for respective flow rates of a plurality of terminals, constructs a device learning model for predicting variations in terminal pressure, and performs optimal control of an air compressor. In a compressor control method facing a pneumatic system having a plurality of ends consuming compressed air, a control unit of the system 400: (a) a supply-side pressure is measured with pressure gauges 305-307 on a discharge side from which the compressed air is supplied; (b) pressure values and flow values at the time of opening or closing of valves are acquired using pressure gauges 113, 123,..., 243 and flow meters 112, 122,..., 242 provided at a portion of the ends of piping 11, 12,..., and valves 111, 121,..., 241, and (c) an end pressure prediction model for obtaining the pressure at each end 11, 12,..., 24 is learned using supply pressure values from air compressors 2-4 and pressure values and flow values at the demand side. During actual operation of the pneumatic system, the control unit calculates the optimal discharge pressure of the air compressor by inputting the supply pressure value and the air flow rate value of the end to the end pressure prediction model.

The utility model provides a low-pressure gas supercharging device with multiple supercharging structures, which comprises a casing, a driving motor is mounted on the outer wall of the casing, an output shaft of the driving motor is fixedly connected with a linkage rod through a coupler, the outer wall of the linkage rod is fixedly connected with a semicircular driving plate, a connecting shaft is arranged on the outer wall of the semicircular driving plate, and the semicircular driving plate is fixedly connected with the connecting shaft. A driving rod is installed on the outer wall of the semicircular driving plate through a connecting shaft, one end of the driving rod is fixedly connected with a pressurizing piston, an air inlet pipe is installed on the outer wall of the machine shell, one end of the air inlet pipe is fixedly connected with a mechanical worm gear, and the outer wall of the mechanical worm gear is connected with an air inlet flange through the air inlet pipe; compared with the prior art, the pressurizing device has the advantages that pressurizing operation can be carried out through the multiple pressurizing structures, the pressurizing operation can be carried out in a separated mode, the pressurizing operation can also be carried out in a combined mode, and therefore the gas pressure in the pressurizing device can be increased.

This application discloses a textile wastewater recycling and treatment device, belonging to the field of wastewater treatment technology. It includes a pretreatment unit, an anaerobic treatment unit, a biological treatment unit, a deep treatment unit, and a sludge treatment unit connected sequentially along the wastewater flow direction. The pretreatment unit uses a screen, a collection tank, a cooling tower, and an equalization tank to achieve impurity interception, wastewater temporary storage, high-temperature cooling, and pH adjustment for water quality and quantity homogenization. The anaerobic treatment unit removes sulfides from the wastewater using an anaerobic tower. The biological treatment unit degrades organic pollutants through primary sedimentation pretreatment, anoxic-aerobic coupled biochemical reactions, and sludge recirculation. The deep treatment unit ensures effluent quality meets standards through an air flotation tank. The sludge treatment unit achieves sludge concentration, dewatering, incineration, and filtrate recirculation. This invention solves the problems of poor stability, incomplete pollutant removal, and low reuse rate in traditional textile wastewater treatment processes. The treated effluent can be directly reused in textile production workshops, resulting in high water resource utilization.

The application provides a spraying device and a spraying system for cleaning strip material. The spraying device comprises: a first spraying device arranged above the strip material along the direction of gravity; and a second spraying device arranged below the strip material along the direction of gravity. The first spraying device and the second spraying device each comprise: a barrel portion having a liquid inlet and a liquid outlet, wherein the liquid inlet is used for entering cleaning liquid; a spraying head rotatably connected to the barrel portion, wherein the inlet of the spraying head is in communication with the liquid outlet, and the spraying head has a plurality of spraying ports; and a rotating assembly rotatably connected to the inner wall of the barrel portion at one end and facing the liquid inlet, and fixedly connected to the spraying head at the other end, wherein the rotating assembly is configured to rotate under the action of the cleaning liquid and drive the spraying head to rotate. The first design pressure of the cleaning liquid entering the first spraying device is less than the second design pressure of the cleaning liquid entering the second spraying device. The application can improve the consistency of the spraying range of the upper and lower sides of the strip material.

This invention provides an aluminum-based nickel-free medium-temperature sealing agent for anodizing, its preparation method, and an aluminum-based anodizing sealing method, belonging to the technical field of sealing agents. By weight, the aluminum-based nickel-free medium-temperature sealing agent provided by this invention comprises the following components: 60-120 parts of lithium salt sealing agent, 2-10 parts of zirconium salt film-forming accelerator, 3-20 parts of titanium salt film-forming accelerator, 10-40 parts of small molecule organic carboxylate, 0.5-5 parts of nonionic surfactant, and 800-1200 parts of water. Using the aluminum-based nickel-free medium-temperature sealing agent provided by this invention, the appearance retention effect of the workpiece can be improved while meeting the nickel-free environmental protection requirements.

The utility model discloses an integrated microreactor for high flux preparation of organic polymer microspheres in the technical field of microsphere preparation, which comprises a fluid conveying channel and a liquid drop generating device, the fluid conveying channel is provided with an upper chamber and a lower chamber, the upper chamber is provided with a first feeding pipe, the first feeding pipe is communicated with a plurality of first guide pipes along the circumferential direction, and the first guide pipes are communicated with a plurality of second guide pipes along the circumferential direction; temperature control pieces are arranged on the first guide pipes and are fixedly connected between the upper chamber and the lower chamber; the position of the liquid drop generating device and the position of the first feeding pipe are both located on the same vertical horizontal line, the liquid drop generating device communicates with a plurality of second guide pipes and third guide pipes, and the first guide pipes communicate with the second guide pipes and the third guide pipes; the temperature control piece is communicated with a temperature control system used for providing temperature regulation and control for the temperature control piece. The micro-sphere high-flux preparation device is simple in structure, the flow of a solvent can be increased and volatilization of the solvent can be controlled by additionally arranging the guide pipe and the temperature control piece in the fluid conveying channel, and therefore the effect of micro-sphere high-flux preparation is achieved.

The invention discloses a refrigerant pump liquid discharge non-return structure and a refrigerant pump, the refrigerant pump liquid discharge non-return structure comprises a fixed scroll plate and a movable scroll plate, the fixed scroll plate and the movable scroll plate are engaged to form a pump liquid structure, the fixed scroll plate is provided with an inner liquid discharge port communicated with the pump liquid structure, the inner liquid discharge port is connected to an outer liquid discharge port through a liquid discharge flow channel, and the outer liquid discharge port is communicated with the fixed scroll plate. The liquid discharging flow channel comprises a main flow channel and an auxiliary flow channel, the main flow channel extends from the inner liquid discharging port to the outer liquid discharging port, a first opening and a second opening which are communicated with the main flow channel are formed in the two ends of the auxiliary flow channel, the first opening is closer to the outer liquid discharging port than the second opening, and one end of the auxiliary flow channel is obliquely connected to the main flow channel and forms a reverse inlet through the first opening; the other end of the auxiliary runner is connected to the main runner after being bent in an arc mode and forms a reverse outlet through the second opening. The liquid discharging flow channel can prevent most liquid from flowing back from the liquid discharging opening, when the refrigerant pump works, the liquid discharging non-return structure does not move, faults and damage are not prone to occurring, and the problem that in the prior art, a movable part of a liquid non-return valve is prone to damage is solved.