18results about How to "Reduce recycling efficiency" patented technology

The invention provides a brake disc rust removal method and system, electronic equipment and a medium, and relates to the technical field of vehicle safety control, and the brake disc rust removal method comprises the following steps: after a vehicle finishes a rust removal function for one time, obtaining the driving mileage of the vehicle in a preset time period, and setting a time trigger threshold value according to the driving mileage; setting a mileage trigger threshold by combining the driving mileage and the opening times and the opening duration of the windscreen wiper in a preset time period; and if the driving distance of the vehicle reaches the mileage triggering threshold value, the passing time reaches the time triggering threshold value and the wheel cylinder pressure is lower than the preset pressure value, the rust removal function is automatically started to conduct passive rust removal on the brake disc. The problem that in the prior art, the vehicle kinetic energy recovery efficiency is reduced due to the scheme that hydraulic braking is adopted for brake disc rust removal regularly is solved.

The invention belongs to the technical field of waste heat recovery control, and provides a natural gas cold and heat cogeneration control method, which comprises the following steps: setting a monitoring period, monitoring two ends of each natural gas conveying pipeline to obtain natural gas temperature data, analyzing and processing the natural gas temperature data to obtain an ideal heat recovery value, and controlling the heat recovery value. Analyzing and processing the natural gas temperature data again to obtain an actual heat recovery value, acquiring a gas flow in each natural gas conveying pipeline in a monitoring time period, obtaining a gas flow mean value, processing the actual heat recovery value and a theoretical heat recovery value, outputting to obtain a heat recovery efficiency value, and comparing the heat recovery efficiency value with a threshold value; if the heat recovery efficiency value is smaller than the heat recovery efficiency threshold value, it is indicated that the heat recovery efficiency of the heat recovery system in actual operation is low, and a low recovery efficiency signal is generated, so that comprehensive evaluation on the heat recovery efficiency of the heat recovery system is completed by setting a monitoring period.

The invention discloses a rotary gas membrane separation device and a wastewater deammonification system thereof, belonging to the technical field of wastewater treatment. The rotary gas membrane separation device comprises an inner sleeve and an outer sleeve which are rotatably connected, and the inner sleeve and the outer sleeve are divided into a first exhaust chamber, a heating chamber and a second exhaust chamber by a sealing bearing; a water inlet pipe and a water outlet pipe are arranged on the inner sleeve, and a first gas collecting chamber, a degassing chamber and a second gas collecting chamber are formed in the inner sleeve by a check valve, and a separation filter element is arranged in the degassing chamber. The wastewater deammonification system comprises a wastewater tank, a liquid supply bracket, a liquid discharge bracket, a mounting bracket, a rotary gas membrane separation device and a rotating mechanism, and the liquid supply pipe exchanges heat with the gas discharged from the outer sleeve through a heat exchanger. A low-boiling point physical evaporation treatment technology is formed, which can be widely used for the separation of elements below the boiling point of water (such as ammonia element), and the concentration of recovered ammonia is ensured. The rotation of wastewater can prolong the treatment time, prevent particulate matter from clogging the membrane pores, and ensure the element recovery efficiency and recovery rate.

The utility model discloses a processing tank for asphalt recovery, which relates to the technical field of asphalt recovery processing appliances and comprises a base, supporting blocks are fixedly connected to two sides of the top surface of the base, an outer tank is transversely arranged at the upper end of the base and is abutted against the top surfaces of the supporting blocks, a tank seat is fixedly connected to one side of the outer tank, and a tank door is movably hinged to the other side of the outer tank. A handle is installed at the front end of the tank door. A heating assembly is arranged at the upper end of the base. Through the cooperation of the heating pipe and the heater, the interior of the inner tank can be conveniently heated, so that asphalt in the inner tank can be conveniently heated, and the asphalt can conveniently flow after being heated; through cooperation of a guide seat and a guide plate, asphalt can be conveniently guided out, and the situation that the asphalt remains in the inner tank after being heated, and consequently the recovery efficiency is reduced is avoided; through cooperation of a baffle and a filter screen, impurities in the asphalt can be conveniently filtered out, so that the asphalt recycling effect is improved; according to the device, the asphalt recovery efficiency is improved, and the asphalt recovery effect is improved.

The utility model provides PE packaging bag recycling, film blowing and forming integrated equipment, and relates to the technical field of film blowing and forming integrated equipment, the PE packaging bag recycling, film blowing and forming integrated equipment comprises a processing box, a groove is formed in the surface of the top end of the processing box, limiting round blocks are fixedly connected to the two ends in the groove, placing grooves are formed in the surfaces of the limiting round blocks, and rotating blocks are arranged in the placing grooves; a rotating shaft is fixedly connected into the containing groove, the rotating shaft is sleeved with a first storage roller, fixing blocks are fixedly connected to the two ends of the first storage roller, and through cooperation of the groove, the blowing film and the rotating blocks, the rotating shaft can be conveniently connected through the groove and a limiting round block, so that the first storage roller can be connected with the whole equipment; and then a rotating shaft can be controlled by a motor to drive a rotating block to rotate, so that the rotating block can rotate along a movable block, and under the action of a pin column, the rotating block is prevented from rotating while the rotating block is prevented from rotating, so that the recycling efficiency of the whole equipment is low.

The present invention belongs to the technical field of drone recovery in complex scenes, and specifically discloses a drone recovery method, device, equipment and medium based on visual algorithms. The method includes: obtaining the real-time coordinates of the drone during flight and the corresponding ground landing point coordinates; when the distance between the real-time coordinates and the ground landing point coordinates is within a preset range, determining the relative position of the drone and the ground landing point; based on the relative position, taking real-time photos of the area where the drone is located from the ground landing point upwards to obtain video image data; identifying the drone from the video image data and locating the drone; continuously tracking the drone and updating the flight trajectory of the drone; determining the descent gradient of the drone based on the flight trajectory of the drone; and using a path planning algorithm to plan the optimal landing route of the drone based on the descent gradient and the ground landing point coordinates, which is more suitable for drone recovery in complex environments.

The invention belongs to the field of new energy solid waste recycling, and particularly relates to a method for extracting high-purity copper-indium-gallium-selenium powder from a decommissioned copper-indium-gallium-selenium photovoltaic cell, which comprises the following steps: (1) pretreating the decommissioned copper-indium-gallium-selenium photovoltaic cell to obtain a cell sheet material; (2) mixing alkali liquor with benzyl alcohol and hydrogen peroxide; contacting the cut battery sheet material with the mixed solution and leaching; (3) carrying out ultrasonic treatment on a liquid-solid mixture obtained by leaching, then taking out a substrate, a wire and a resin film with clean surfaces and partially broken EVA from the solution, and leaving black copper indium gallium selenium powder in the solution; (4) filtering the obtained solution containing the copper-indium-gallium-selenium powder to obtain leachate and filter residues; and carrying out post-treatment on filter residues to obtain high-purity copper indium gallium selenium powder. According to the method, the quality and purity of the recovered copper indium gallium selenium powder can be improved, the high recovery rate is guaranteed, and efficient utilization of the retired copper indium gallium selenium photovoltaic cell is achieved.

A method for recovering organic tin in a vinyl ether compound transesterification kettle liquid, comprising the following steps: 1) taking the vinyl ether compound transesterification kettle liquid, cooling to-10-40 DEG C, standing, until crystals are precipitated in the transesterification kettle liquid, filtering, or, cooling to-10-40 DEG C, adding 0.1-5% of organic tin powder in mass fraction to the transesterification kettle liquid, stirring and mixing uniformly, then standing, until crystals are precipitated in the transesterification kettle liquid, filtering; 2) adding a basic solution with a concentration of 5-8 wt% to the crystals obtained by filtering, in a mass ratio of 1:0.5-10, and heating to 25-60 DEG C, until flocculent substances appear on the surface of the basic solution, and filtering the lower aqueous phase; 3) washing the crystals obtained by filtering with water, then washing with an organic solvent, drying, to obtain organic tin. The process condition is mild and the operation is convenient, the recovered organic tin can be used repeatedly, the production cost of enterprises is reduced, and environmental pollution is avoided.

The utility model discloses a kind of waste gas electrostatic precipitators facilitating dust recovery, including electrostatic precipitator main body and the two ash hoppers of being fixed in the bottom of electrostatic precipitator main body, the outer surface of two The shell is fixedly coated in ash hopper, the inside of two The shell is fixedly connected with multiple partitions, and partition and ash hopper outer wall sealing abut;The outer surface of two The shell is fixedly penetrated with multiple fixed pipes, another end of multiple The fixed pipe is commonly fixedly penetrated with annular groove.In the utility model, by the shell and partition set in the outside of ash hopper, the chamber between ash hopper and shell is divided into multiple independent detection chambers, combined with air pressure sensor, gas supply assembly, electric rotating assembly, annular groove, movable ring and fixed pipe, the air pressure change of each detection chamber can be monitored in real time, air leakage problem is found and repaired in time, dust recovery efficiency caused by air leakage is effectively avoided to reduce, to improve the stability and dust removal effect of equipment.

Provided is a method for recovering lithium from a material containing fluorine and lithium. The method includes: mixing the material with an aqueous sulfuric acid solution or water to prepare a mixed liquid; and mixing the mixed liquid with a slightly or sparingly soluble calcium-containing alkaline agent to form a precipitate containing fluorine and calcium, followed by solid-liquid separation to obtain a purified solution having lithium dissolved therein. In the preparation of the a mixed liquid, the material and the sulfuric acid aqueous solution or water are mixed and heated at 60° to 90°C.

The invention relates to the technical field of heat energy recovery, in particular to an internal combustion engine tail gas heat energy recycling device which comprises a tail gas pipe, a heat exchange bin and a temperature difference power generation device and further comprises a filter plate, and the filter plate is located in the heat exchange bin and used for filtering carbon particles in tail gas entering the temperature difference power generation device. The collecting rod is located in the heat exchange bin, the collecting rod is attached to the filter plate, and carbon particles filtered by the filter plate are collected through the collecting rod. According to the internal combustion engine tail gas heat energy recycling device, by automatically collecting the carbon particles in tail gas, deposition of the particles in the heat exchange bin can be reduced; and meanwhile, the carbon particles have certain hardness and chemical stability, when the carbon particles are sprayed and attached to the outer surface of the heat exchange bin at a high speed, a protective coating can be formed, and therefore the heat exchange bin is prevented from being damaged. The coating can resist abrasion factors existing in the external environment.

The invention discloses a system and a method for recycling valuable metals of a lithium ion battery through cooperation of wet grinding and vacuum pyrolysis. The recycling method comprises the following steps: completely discharging a waste lithium ion battery, disassembling and separating a positive plate and a negative plate, crushing and sieving, and collecting undersize powder; mixing with a grinding medium, and carrying out ball milling by adopting a ball milling tank; the slurry is sieved after being dried, and screen underflow is collected and is electrode black powder; putting the electrode black powder into a vacuum pyrolysis reactor, vacuumizing and then pyrolyzing; and after the pyrolysis is finished, cooling to room temperature under vacuum or inert gas protection to obtain a valuable metal solid product. The method is carried out at a relatively low temperature, metal oxidation can be inhibited, generation of harmful gas is reduced, separation and pyrolysis with higher adaptability to raw materials are realized, and directional recovery is realized.

A carbon dioxide recovery system is provided with: a blower; a holding unit for holding an adsorbent capable of adsorbing carbon dioxide at a position where the air flow from the blower is received; a sensor that detects that the adsorbent is held by the holding unit; and a control unit that controls the blower, the control unit driving the blower when the sensor detects that the adsorbent is held by the holding unit in a state in which the blower is stopped.

This invention relates to the field of gas treatment technology, specifically to an odor gas treatment device for highly polluted environments. The device includes a primary treatment tower, a connecting pipe, a secondary treatment tower, an input pipe, and a gas delivery unit. The top of the primary treatment tower is connected to the bottom of the secondary treatment tower via the connecting pipe, and the input pipe is connected to the primary treatment tower, with the gas delivery unit connected to the input pipe. The device also includes a deodorization and sterilization mechanism installed on the primary treatment tower, the input pipe, and the secondary treatment tower, used for gas treatment; and a filtration mechanism installed inside the primary treatment tower. In this invention, particles above the support plate and above the filter plate are flushed into a temporary storage tank by liquid, thus flushing the particles on the filter plate into the temporary storage tank, completing the collection of particles on the filter plate. This achieves the simultaneous filtration of particles by the filter plate and flushing of particles with liquid, preventing filter plate clogging.

The invention discloses a waste heat power generation system, which relates to the technical field of waste heat power generation, including a machine board and a heat pump, and also includes a heat dissipation device and an anti-mistouch device, wherein the heat dissipation device includes a heat dissipation duct, a heat dissipation rod, heat dissipation leaves, a matching rod, a sliding frame, a filter plate, a cleaning rod and a hollow ring, the cleaning rod moves upward to scrape and clean the surface of the filter plate, the heat dissipation duct is fixedly mounted on the surface of the machine board, a heat dissipation motor is arranged on the surface of the heat dissipation duct, the heat dissipation rod is fixedly mounted on the output end of the heat dissipation motor, the heat dissipation leaves are fixedly mounted on the surface of the heat dissipation rod, the filter plate can filter dirt to prevent the dirt from being sent into the heat pump to cause pollution, cleaning the surface of the filter plate is helpful to improve the heat exchange efficiency of the heat dissipation pipe, the dirt deposited on the filter plate will slow down the heat conduction and affect the waste heat recovery efficiency, and cleaning can restore the normal working state of the heat dissipation system.

The invention discloses a method for recovering high-purity zinc from secondary zinc oxide-containing electric furnace ash, which comprises the following steps: firstly, treating by sodium carbonate to form a precipitate containing zinc and other metal elements so as to separate chlorine and fluorine ions in the electric furnace ash, and fixing soluble zinc salt in the electric furnace ash to reduce the loss of zinc. Subsequently, zinc and other metal elements form soluble ions through sulfuric acid treatment; adding hydrogen peroxide to remove iron, and adding potassium permanganate to remove manganese, so as to obtain a primary leaching solution; the primary leachate is treated by ethylenediamine, tea saponin and urea, and reacts with zinc ions to form a stable complex, so that the zinc ions are prevented from being continuously precipitated by ammonia water, and hydroxide precipitates of other ions are separated. Subsequently, a dilute sulfuric acid solution is used for decomposing the complex, zinc is precipitated through sodium carbonate, and recovery of the zinc element is completed. By adopting the method disclosed by the invention, the zinc in the secondary zinc oxide-containing electric furnace ash recovery product has a relatively high leaching rate, and the purity of the zinc-containing product zinc carbonate in the obtained product is relatively high.

The invention relates to a recovery method of a crystalline silicon solar cell module. The recovery method comprises the following steps: S1, dismounting a module frame and a junction box; s2, the first EVA layer is cut through a first tool knife, a material A and a first material are obtained, and the material A comprises the backboard to which a part of the first EVA layer is attached; s3, a second tool knife is adopted to cut the silicon wafer in the first material along the tinned copper strip, a material B and a second material are obtained, and the material B comprises the tinned copper strip attached with the other part of the first EVA layer and a part of the silicon wafer covered by the tinned copper strip; s4, a third tool knife is adopted to cut the second EVA layer, a material C and a third material are obtained, the material C comprises the other part of the silicon wafer and one part of the second EVA layer, and the third material comprises the other part of the second EVA layer and the front plate glass; and S5, the material B and the material C are subjected to heating treatment and hydrometallurgy treatment correspondingly.

The invention provides a layered continuous recovery method for a heterojunction solar cell, which comprises the following steps: S1, treating a waste heterojunction solar cell through a nitric acid solution so as to separate from a silver grid line, and obtaining a silver-removed cell piece and a silver nitrate solution; reacting the silver nitrate solution with an alkali solution to obtain a silver oxide precipitate, and carrying out thermal decomposition on the silver oxide precipitate to obtain a silver elementary substance; s2, reducing and removing indium oxide in the conductive thin film layer on the silver-removed battery piece to obtain an indium-removed battery piece and an indium elementary substance; and S3, placing the indium-removed battery piece in alkali liquor, and completely corroding the silicon-doped composite film layer on the indium-removed battery piece to obtain the monocrystalline silicon piece. The technical problems that in the prior art, waste solar cells are low in recycling efficiency, high in treatment cost and complex in operation are solved, and the technical effects that silver, indium and silicon are efficiently and continuously separated out, and the recycling method is easy to operate, low in cost, beneficial to improving enterprise benefits and environmentally friendly are achieved.