21results about How to "Stable recycling" patented technology

This invention relates to the field of wastewater treatment technology, specifically to a metal-doped bismuth ferrite-based perovskite composite material, its preparation method, and its applications. The molecular formula of the metal-doped bismuth ferrite-based perovskite composite material is Bi. 1‑x A x Fe 1‑y B y O3; 0 ≤ x < 1, 0

The present application relates to copper nickel ore sorting technical field, specifically for low grade copper nickel ore combined sorting device and process, including heavy plate feeder, the output end of heavy plate feeder is connected with short distance closed belt conveyor, the present application can separate 87.7% of invalid gangue components in advance after the whole set of combined sorting process is put into operation, reduce the material volume of flotation section from the source, the reagent dosage and water and electricity energy consumption are reduced synchronously, effectively reduce the processing cost of low grade copper nickel ore, significantly improve the production profit level of the project, the waste rock produced by sorting is used as underground filling aggregate after fine crushing, which replaces the purchased gobi sandstone raw material, achieves closed loop utilization of solid waste resources, and meets the green mine development and construction guidelines.

A manufacturing apparatus (1A) includes a first gas introduction portion (20) provided on one end portion (10a) side of a calcination furnace (10) to introduce a gas into the calcination furnace (10), a gas discharge portion (30) provided on the other end portion (10b) side of the calcination furnace (10) to discharge the gas in the calcination furnace (10) to the outside, and a conveying apparatus (40) to convey a metal compound and a flux from the gas discharge portion (30) side to the first gas introduction portion (20) side. The calcination furnace (10) has a temperature increasing region (12A), a cooling region (14A), and a reaction region (13A) provided between the temperature increasing region (12A) and the cooling region (14A) and causing the metal compound and the flux to react. In the manufacturing apparatus (1A), a gas flow (AF1) generated by the gas introduced from the first gas introduction portion (20) causes the flux gasified in the reaction region (13A) to be powdered in the cooling region (14A), and the gas containing the powdered flux is sent to the gas discharge portion (30).

The invention discloses a pickled pepper preparation method, and belongs to the technical field of food processing.The method comprises the steps that fresh peppers are prepared; saline water recovery and classification: the recovered saline water is divided into strain source saline water and to-be-regenerated saline water according to flavor evaluation; solid microbial inoculum preparation: freeze drying and encapsulation embedding are performed on the strain source saline water, and a solid encapsulated microbial inoculum is prepared; regenerating the saline water, namely carrying out rough filtration and fine filtration on the saline water to be regenerated so as to remove substances of which the molecular weight is greater than 80 and less than 2000 Daltons; and preparing a fermentation starting liquid and fermenting. Through fine grading of saline water and functional preparation of the microbial inoculum, standardization and flavor stability of pickled pepper production are realized, and the problems of flavor degradation and batch instability caused by saline water circulation in a traditional process are fundamentally solved.

The application discloses a method for stably recovering carbon dioxide in a double-hearth kiln, and comprises the following steps: using a double-hearth kiln carbon dioxide stable recovery device to control the stable recovery of carbon dioxide in the double-hearth kiln; the control step comprises the following steps: when No. 1 kiln or No. 2 kiln is in a production stop state, electric valve 1 and electric valve 2 on the flue gas outlet pipeline of No. 1 kiln or No. 2 kiln are closed; when No. 1 kiln and No. 2 kiln are both in production, the combustion time and the reversing time of the kiln are set to be the same, and the reversing of the two kilns is ensured to be different; before the reversing period, the cooling air electric valve on the cold air pipeline of No. 1 kiln and No. 2 kiln is closed, and the opening degree of electric valve 1 is set to be 60%; during the production of No. 1 kiln and No. 2 kiln, the detection data of the pressure gauge is greater than 0 kpa, and electric valve 2 is opened; otherwise, electric valve 2 is closed, and the carbon dioxide recovery fan is reduced in rotation speed, etc. The application can solve the problem that the carbon dioxide concentration is reduced and the stable recovery cannot be realized during the reversing period of the existing double-hearth kiln.

The invention provides a microcirculation ecological planting system and planting method.The microcirculation ecological planting system comprises a base, a water conveying pipeline, a mounting unit and a planting pot; by arranging the water conveying pipeline communicated with the water storage tank in the base and arranging the flow guide part at the water permeable structure, at least one liquid flow guide path is formed between the adjacent planting pots with the height difference in the mounting unit through the flow guide part, and liquid in the planting pots can flow out through the water permeable structure and then flows out. Microcirculation of water resources is formed between the planting pot and the water storage tank along the liquid flow guide path. In the planting method, by adjusting the positions of the planting pots, the mounting positions of the planting pots can be further scientifically set and arranged, the planting pots can be flexibly arranged in the mounting units, and meanwhile it is guaranteed that the planting pots can obtain water delivery; therefore, stable cyclic utilization of water resources between the planting pots and the water storage tank can be achieved, and meanwhile the labor management cost is greatly reduced.

The utility model belongs to the technical field of condensate conveying and heat exchange, and particularly relates to a condensate conveying and heat exchange system of a double-air-source floating ball power pump. The condensate conveying heat exchange system of the double-gas-source floating ball power pump comprises a tower bottom reboiler, the tower bottom reboiler is connected with a heating steam pipeline, and a pipeline connected with a collecting pipe is arranged at the bottom of the tower bottom reboiler; the collecting pipe is connected with the power pump set, and the power pump set is connected with the hot water heater through a top steam exhaust pipeline; a condensate outlet at the bottom of the hot water heater is provided with a pipeline flowing back to the collecting pipe, and the pipeline is provided with a thermometer. According to the condensate conveying and heat exchange system with the double-air-source floating ball power pumps, the design that the three floating ball power pumps are connected in parallel with the double air sources is adopted, and the Y-shaped filter and the double check valves are arranged, so that the operation stability of the system is guaranteed; meanwhile, the hot water heater is arranged, the utilization rate of steam waste heat is increased, the bypass is arranged at the hot water heater, loop control over the temperature control valve and the thermometer is achieved, and stable backflow of condensate is guaranteed.

The disclosed venting liquefied natural gas recovery system and recovery method, comprising a condensation recovery heat exchanger, a feed inlet of the condensation recovery heat exchanger being communicated with a venting pipeline, and a pretreatment assembly for filtering the natural gas to be recovered being further arranged between the venting pipeline and the condensation recovery heat exchanger; the condensation recovery heat exchanger being communicated with a liquid nitrogen storage device through a liquid nitrogen feed pipe, and the condensation recovery heat exchanger being provided with a heat exchange coil and a nitrogen gas discharge pipe, two ends of the heat exchange coil being respectively extended to outside of the condensation recovery heat exchanger and communicated with the pretreatment assembly and a gas-liquid separation device, and the gas-liquid separation device being communicated with a natural gas storage device through a pipeline at a liquid outlet. The present application solves the problem of resource waste caused by direct combustion and discharge of the natural gas remaining in the process section in the prior art.

The application discloses a kind of cooperation expired medicine, bauxite iron recovery method of pharmaceutical wastewater, comprising the following steps: S1, bauxite is crushed, grinds, and then mixed with hydrogen peroxide solution, and bauxite slurry is prepared;S2, the expired medicine, pharmaceutical wastewater after crushing is added in bauxite slurry, and is prepared as reaction raw material;S3, after stirring, reaction raw material is added in high temperature and high pressure reaction kettle, and after reaching supercritical state, electric heating is closed, and reaction is carried out by relying on oxidation self-heating until end;S4, after cooling, gas-liquid separation is carried out, and liquid-solid mixture is carried out magnetic separation, and Fe3O4 is recovered.The application realizes the dealkalization treatment of bauxite, and the iron in bauxite is stably recovered, and the remaining solid components can be better utilized, and due to the supercritical water oxidation on organic matter super strong oxidizability, the expired medicine in system is completed harmless degradation, and the heat generated by organic matter oxidation is relied on to reduce energy consumption cost.

This invention discloses a device and method for recovering organic matter and phosphorus from wastewater, belonging to the field of wastewater treatment technology. The method includes the following steps: (1) pumping the wastewater to be treated into a carbon and phosphorus capture tank and inoculating it with sludge to achieve preliminary enrichment of organic matter and phosphorus; (2) pumping the enriched sludge into a pre-oxidation tank and adding ferrate for stirring; (3) pumping the effluent into an anaerobic fermentation tank and adding ethanol to the system for anaerobic fermentation to convert the generated short-chain fatty acids into medium-chain fatty acids; (4) pumping the mixed liquid after anaerobic fermentation into a separation and recovery tank for stirring reaction, settling, and recovering phosphorus in the form of lapis lazuli; (5) returning the sludge settled in the anaerobic fermentation tank to the carbon and phosphorus capture tank through a sludge return system, and the system operates continuously and stably for ≥5 cycles. This invention uses the different valence state transformations of iron and their corresponding compounds as driving factors, and adopts a combination of carbon and phosphorus capture tanks, pre-oxidation tanks, anaerobic fermentation tanks, separation and recovery tanks and sludge return systems. Through biochemical and physicochemical means, microorganisms are regulated to efficiently capture organic matter, and iron compounds synergistically adsorb organic matter and phosphorus, ultimately realizing the recovery of organic matter and phosphorus from wastewater in the form of high-value-added medium-chain fatty acids and lapis lazuli.

The utility model provides a gun line management device for a charging pile and the charging pile. The gun line management device comprises a mounting seat; the central shaft and the coil spring are arranged in the mounting seat, one end of the coil spring is connected with the central shaft, and the other end of the coil spring is connected with the coil spring; one of the central shaft and the mounting seat is used as a fixed part, and the other is used as a rotating part; the gun line connecting piece is used for hanging a gun line; and an output structure of the damper is connected with the rotating piece, the coil spring is used for providing driving force in the process that the gun line is reset from the pull-out position to the initial position, and the damper is used for providing viscous resistance at least in the partial reset process. According to the utility model, the gun line is prevented from mopping the ground through the suspension design, so that abrasion and appearance damage are reduced; the design of the cantilever and the rotating member can bear part of the weight of the gun wire, so that easier and smoother charging operation can be realized. The gun line recovery process is stable, and mechanical collision or structure looseness and damage caused by overweight gun lines or too fast recovery are avoided.

This utility model relates to the field of waste sorting technology, specifically a quantitative recycling device for waste sorting. It includes a housing and a conveyor belt movably disposed within the housing, carrying waste horizontally. Multiple magnetic suction devices are installed inside the housing, each capable of attracting iron objects within the waste. A receiving groove is located inside the housing, and a weighing device is located outside. Parts of the magnetic suction devices can abut against the sidewalls of the receiving groove, and both ends of the magnetic suction devices can be placed on the weighing pan of the weighing device. This utility model utilizes the weighing device to dynamically monitor the weight of the magnetic suction devices in real time. When the weight of a magnetic suction device reaches a threshold, it is manually replaced, thus achieving quantitative recycling and ensuring the attraction effect of the magnetic suction devices. Because multiple magnetic suction devices are installed, and each device can be replaced individually, replacement can be performed without stopping the machine, greatly improving processing efficiency.

This application relates to the technical field of assembling molten parts, and discloses a moving module of a molten part assembly equipment, including a base, a workstation, a moving module, a stamping module, an opening module, and a pin module. The base is provided with a slide rail for moving the workstation. The moving module includes a moving positioning structure, a moving transport structure, and two moving lifting structures. The moving lifting structure includes a moving lifting component and a moving pushing component. The moving lifting component is used to realize the vertical movement of the workstation, and the moving pushing component is used to push the workstation to the moving transport structure or to the slide rail. This application realizes the cyclical movement of the workstation between the slide rail, the moving lifting component, the moving transport structure, and the moving lifting component through the moving positioning structure, the moving transport structure, and the moving lifting component, so that the workstation can be stably reused, avoiding the need for manual resetting of the workstation by the operator, and further accelerating the processing efficiency of the product.

The utility model relates to the dispensing machine technical field discloses the dispensing machine with waste glue recovery function, including operation panel, the outer wall fixedly connected with first support block of operation panel, the upper surface fixedly connected with second support block of first support block, the inside fixedly connected with motor of second support block, the output fixedly arranged with carousel of motor, the outer wall rotationally connected with support plate of carousel, the outer wall fixedly connected with cleaning plate of sliding block, the upper surface of operation panel is provided with dispensing assembly, and the dispensing assembly is used for realizing the dispensing, glue injection, glue coating etc. operation of product. In the utility model, the carousel and fixed axle are driven through motor and further drive the limiting ring, the sliding block is driven through the limiting ring, and the cleaning plate is driven through the sliding block to clean the waste glue, reaches continuously, stably recycles the waste glue, does not need manual intervention to reach the effect that the production efficiency is improved greatly.

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.

This utility model relates to the field of motor vehicle sunshades and discloses an electric curtain system, including a curtain assembly, a pull cord mechanism, a drive assembly, and a guide mechanism. The pull cord mechanism is connected to the drive assembly and the guide mechanism, and the guide mechanism is connected to the curtain assembly. The pull cord mechanism can drive the guide mechanism to reciprocate under the action of the drive assembly, and the reciprocating motion of the guide mechanism realizes the unfolding and retraction of the curtain assembly. This utility model achieves smooth unfolding and retraction of the curtain through the cooperation of the curtain assembly, the pull cord mechanism, the drive assembly, and the guide mechanism, and has the characteristics of simple product structure, small space occupation, and low operating noise.

This invention belongs to the field of autonomous underwater vehicle (AUV) recovery technology, specifically disclosing a side-thrust recovery method and apparatus for AUVs. The recovery method includes the following steps: Step 1, the mother ship releases a recovery boat with a cable to the water surface and controls the recovery boat to move towards the AUV; Step 2, when the distance between the recovery boat and the AUV reaches a set distance, the position of the recovery boat is adjusted, and then the mechanical claw at the front of the recovery boat grabs the AUV from the side; Step 3, the mother ship retrieves the cable, and the cable drives the recovery boat and the AUV to move to the mother ship; This invention provides a side-thrust recovery method and apparatus for AUVs that can flexibly, efficiently, and safely recover AUVs.

The utility model relates to the technical field of water conservancy supports, in particular to a portable water conservancy water level measuring instrument support which comprises a fixing platform, a plurality of stabilizing mechanisms are arranged below the fixing platform, and supporting mechanisms are arranged in the stabilizing mechanisms. The stabilizing mechanism comprises a fixing support rotationally connected to the lower end of the fixing platform, and a first electric telescopic rod is fixed to the middle of the lower end of the fixing support. By means of the second electric telescopic rod and the micro motor, unfolding of the stabilizing mechanism and adjustment of the supporting mechanism can be automatically completed, the labor intensity of workers is reduced, meanwhile, the problems caused by manual operation errors are reduced, the installation and recovery processes of the support are more stable and reliable, and the work efficiency is improved. The fixing platform in the device is always kept in a horizontal state, the situation that the water level measuring instrument topples over due to the weight of the water level measuring instrument is avoided, the supporting legs are unfolded to a proper angle for supporting, and the stability of the support in a complex environment is effectively improved.

The utility model relates to the technical field of unmanned plane, specifically disclose a kind of unmanned plane water and land grab structure, include: flight vehicle platform, traction assembly, grab hook subassembly, grab hook platform and remote control component;The flight vehicle platform is connected with the grab hook subassembly by the traction assembly, the grab hook subassembly with the grab hook platform is interconnected, the remote control component with the traction assembly, the grab hook subassembly and the grab hook platform are mutually signal connection;The grab hook platform includes water platform and land platform, the grab hook subassembly can be interconnected with the water platform and the land platform respectively.The utility model is interconnected by grab hook platform, realized the flexible application of grab hook subassembly on water and land environment, greatly enhanced the environmental adaptability of unmanned plane.

The invention relates to the technical field of surgical instruments, in particular to a gastrointestinal endoscope polyp resection recoverer which comprises a supporting body, a catheter is fixedly connected to one end of the supporting body, an arc-shaped seat is fixedly connected to the end, away from the supporting body, of the catheter, and a first rotating plate is hinged to the inner side wall of the arc-shaped seat. A second rotating plate is hinged to the middle of the side, away from the arc-shaped base, of the first rotating plate, first sliding plates are hinged to the two ends of the first rotating plate, second sliding plates are hinged to the two ends of the second rotating plate, and the first sliding plates are hinged to the middles of the second sliding plates. The second sliding plates are in transverse sliding fit with the inner side walls of the arc-shaped seats; and the first rotating plate, the second rotating plate, the first sliding plate and the second sliding plate are arc-shaped. Through the design of the first sliding plate and the second sliding plate, an arc-shaped wrapping structure is formed, so that the polyp is wrapped, the polyp does not need to be clamped or tightened, the risk that the polyp is damaged in the recovery process is reduced, and then the integrity of the polyp and the accuracy of a detection result are improved.

The invention relates to the technical field of impact detection, in particular to a metal material product impact detection test device and an operation method.The metal material product impact detection test device comprises a support, a first air cylinder fixed to the top of the support, a first piston rod arranged at the end of the first air cylinder, a lifting plate fixed to the end of the first piston rod, and a vertical rod fixed to the bottom of the lifting plate; an arc-shaped rod is fixed to the surface of the vertical rod, and a transverse plate is fixed to the surface of the arc-shaped rod; the device has the beneficial effects that a first rotating head and a second rotating head rotate along with a second rotating shaft, a rope is wound around the surfaces of the first rotating head and the second rotating head, an impact block ascends along with the rope, a limiting frame is located outside the rope, the limiting effect is achieved, and a vertical rod at the top of the impact block is inserted into an inserting hole after ascending along with the rope; the end of the third air cylinder is connected with a transverse rod, the third air cylinder drives the transverse rod to be inserted into the through hole, the position of the impact block is stabilized, and stable recovery of the impact block is achieved.