78results about How to "Guaranteed recycling" patented technology

The invention provides a cerium-zirconium loaded cobalt titanate solid solution nanosphere water treatment catalyst and a preparation method thereof, and relates to the field of water treatment. The cerium-zirconium loaded cobalt titanate solid solution nanosphere water treatment catalyst comprises nano spherical ferroferric oxide, a cerium-zirconium solid solution, cobalt titanate and D-(-)-quinic acid, the nano spherical ferroferric oxide serves as an inner core, the cerium-zirconium solid solution serves as an electron transport middle layer, the cobalt titanate serves as an active component outer layer, and the D-(-)-quinic acid serves as a morphology control agent. On the basis of the mass of the ferroferric oxide inner core, the mass percentage content of the electron transmission middle layer is 60%-80%, and the mass percentage content of the active component outer layer is 20%-40%; wherein the molar ratio of cerium oxide to zirconium oxide in the cerium-zirconium solid solution is 1: (0.33-3). The catalyst provided by the invention is environment-friendly, not only can efficiently catalyze and reduce p-nitrophenol, but also can be repeatedly used, is simple to regenerate, and has higher economic value and wide market application prospect.

The utility model discloses a portable device for cyclic utilization of a cast-in-place pile reinforcement cage positioning frame, and belongs to the technical field of building auxiliary tools. According to the portable device for cyclic utilization of the cast-in-place pile reinforcement cage positioning frame, the reinforcement cage can be installed in an auxiliary mode, and installation and detachment are convenient. Sleeves are arranged at the three corners of a triangular support, a center ring is installed in the center of the triangular support, a through center ring threading hole is formed in the center ring corresponding to a sleeve wall threading hole, a through sleeve wall threading hole is formed in the sleeve wall, a screwed plug is installed at the rear end of an inner cavity of each sleeve, and a telescopic rod is inserted in the front end of the inner cavity of each sleeve. A spring is arranged in an inner cavity of the sleeve between the telescopic rod and the plug, and a multifunctional mounting seat is arranged at the front end of the telescopic rod. According to the utility model, the large-diameter and large-diameter reinforcement cage is prevented from bending deformation and falling apart, and meanwhile, the auxiliary erecting ribs can be recycled after the reinforcement cage enters a hole.

The utility model relates to the technical field of PVC (polyvinyl chloride) plate processing, and provides a forming device for PVC plate processing, which comprises a base and a support rod. According to the PVC plate pressing device, the buffering structure is arranged, the first hydraulic push rod is started to drive the sliding plate to slide up and down on the outer wall of the supporting rod through the sliding groove, then when the sliding plate is driven to be adjusted to a proper position, the second hydraulic push rod is started to drive the pressing plate to enable the upper die base to enter the lower die base to press a PVC material, and then a PVC plate is pressed; when the pressing plate drives the upper die base to enter the lower die base for pressing, a movable rod drives a piston to slide in a damper to push and press a damping body through force generated by vibration, and vibration and impact force generated when the upper die base presses downwards are reduced through cooperation of viscosity and resistance of the damping body and a damping spring. And meanwhile, through cooperation of a guide groove, a telescopic rod and a buffer spring, the pressing plate slides on the outer side of the telescopic rod through the guide groove, then the buffer spring is compressed, and the buffer effect is further achieved.

The invention discloses a boiler regular drainage sewage heat energy recovery system, the system comprises a cold end system and a hot end system, the cold end system comprises: a pressurization device for pressurizing water flow in the system; the heat exchange equipment is connected to the pressurizing equipment and is used for recovering heat energy of the sewage water and carrying out heat exchange; the butt joint port is communicated with the heat exchange equipment and is used for transferring heat of fluid; the cold and hot end system comprises a boiler barrel sewage discharging system connected to the heat exchange equipment and used for providing a heat source; the water tank is connected to an outlet of the heat exchange equipment and used for storing the cooling water subjected to heat exchange; pressurizing the dewatering treatment equipment through a water pump; by comprehensively utilizing heat energy in sewage and optimizing water resource management, the energy utilization efficiency, the operation stability and the environmental protection property of the boiler are effectively improved, and the operation cost is reduced.

The utility model discloses an oil stain cleaning device for a stainless steel extrusion blank, which comprises a first material turning mechanism and a second material turning mechanism which are arranged at an interval, a cleaning cabin arranged between the first material turning mechanism and the second material turning mechanism, and a transverse moving mechanism arranged in the cleaning cabin in a penetrating manner, the cleaning bin comprises a first station, a second station, a third station and a fourth station which are sequentially arranged in the length direction of the transverse moving mechanism, the rotating carrier roller is connected to the transverse moving mechanism in a telescopic mode, the first material turning mechanism is connected with a feeding roller way, and the second material turning mechanism is connected with a discharging roller way. A transmission mechanism is arranged between the feeding roller way and the discharging roller way, and a control center is electrically connected into the cleaning bin. According to the device, multi-station and multifunctional full-automatic cleaning of stainless steel extrusion blanks is achieved, the labor intensity of workers is greatly reduced, and the device can adapt to blanks of different sizes and cope with different working conditions by adjusting the angle and height of each nozzle.

The invention discloses a method for separating and recycling cellulose-containing waste textiles, and belongs to the technical field of cellulose textiles. Comprising the following steps: opening the cellulose-containing waste textile, and mixing with a cellulose solvent to obtain a mixture of a cellulose solution and an undissolved textile; and carrying out solid-liquid separation, recovering the cellulose solution, and washing and drying the undissolved fabric to obtain the non-cellulose component fabric. According to the method for separating, recycling and reusing the cellulose waste textiles, the alkali concentration is controlled to be 4-10%, the temperature is controlled to be 0-20 DEG C, degradation and damage of the non-cellulose component textiles are avoided to the maximum extent, and recycling of the non-cellulose component textiles is guaranteed. Meanwhile, the cellulose solution obtained by the method can realize simple and low-cost reutilization and product remanufacturing, and regenerated cellulose fibers, cellulose films and cellulose plastics can be obtained in modes of wet spinning, wet film forming, casting molding and the like.

This utility model provides a fly ash pulping system, including a pulp inlet, a vibrating screen, a vibrator, a fine crusher, a transmission module, and a mixing module. The fly ash pulping system provided by this utility model uses a vibrating screen to screen out large and small particles, and crushes the large particles before mixing them with the small particles. This ensures material recycling while guaranteeing thorough mixing and improving pulping efficiency.

The utility model relates to winter construction new pouring concrete heat preservation matching facilities belongs to concrete construction technical field, including tarpaulin, the inside setting of tarpaulin has new pouring concrete body. The utility model has the beneficial effect that through the setting of heat transfer zone, can continuously supply heat, can last heat preservation, guarantees the concrete quality of winter construction, and heat transfer zone presents the structure of multiple rows, supplies heat as much as possible for more new pouring concrete body, and the non - woven fabric has better moisture - proof, ventilation, pliable, nontoxic, the characteristics such as affordable price, and the above structure can disposable investment, recycling, material - saving environmental protection, so that the structure has energy - saving environmental protection, and heat transfer zone, non - woven fabric procurement unit price is low, simple operation, wide application, so that the structure has economy, and the setting of tarpaulin can resist gale and heavy rain weather, as much as possible reduces the influence of external factors to new pouring concrete, is applicable to all winter construction concrete heat preservation maintenance.

The invention belongs to the field of flow batteries, and discloses a system and a method for recovering the capacity of a halogen-containing flow battery, the system comprises a rebalance galvanic pile, the positive liquid of the rebalance galvanic pile circularly circulates with a rebalance storage tank through a positive pump, and the negative liquid of the rebalance galvanic pile circularly circulates with an electrolyte storage tank through a negative pump; the rebalancing electric pile is connected with a rebalancing power supply, and the rebalancing power supply, the positive electrode pump and the negative electrode pump are all in signal connection with the system controller. Charging is started on the basis of the ion average valence state, charging is stopped on the basis of the charging capacity, the current intensity and the charging time of the rebalance power supply are limited on the basis of the decomposition rate of the downstream hypohalous acid, cyclic utilization of halogen is guaranteed, and meanwhile the system controller is additionally arranged to control starting and stopping of the power supply and the charging intensity. And automatic online recovery of the capacity of the energy storage system of the halogen-containing flow battery is realized.

The present invention provides an automated production system for an elevator control cabinet, including an operation line and a return board line; the operation line is arranged on the upper side of the return board line; the operation line includes an assembly line, a detection line and a packaging line; a first automatic lift is arranged at the left end of the assembly line, and the first automatic lift connects the assembly line with the return board line; on both sides of the assembly line are assembly manual stations and material turnover vehicle parking stations; the transmission line in the detection line is sequentially provided with a first transfer machine, multiple detection transfer machines, a second transfer machine, sorting and manual detection stations; on both sides of the transmission line are provided with a rework platform and a detection platform; the packaging line is sequentially provided with a second automatic lift, a box sealing station, a strapping station, and an automatic lifting and lowering line station; and a fully automatic finished product hoisting machine is arranged at the second automatic lift, and the second automatic lift connects the operation line with the return board line. The present invention arranges the operation line and the return board line into upper and lower layers in space, thereby ensuring the recycling of tooling boards.

The utility model discloses green plant planting equipment capable of recycling water, which belongs to the technical field of green plant planting, comprises a box body, and is characterized in that a carrier plate is arranged in the box body, a leakage groove is arranged in the carrier plate in a penetrating manner, a water tank is fixedly arranged below the carrier plate, and a micro water pump is fixedly arranged at the rear part of the box body; a switch is arranged on one side of the miniature water pump, a guide pipe is fixedly arranged on the front portion of the miniature water pump, a water absorption ball is fixedly arranged at the end, away from the miniature water pump, of the guide pipe and located in the water tank, a vertical pipe is fixedly arranged on the upper portion of the miniature water pump, and a horizontal pipe is arranged above the box body. One end, far away from the micro water pump, of the vertical pipe is fixedly connected with the horizontal pipe, and an atomizing spray head is fixedly arranged at the lower part of the horizontal pipe, so that the situation that water flows out or overflows and wets surrounding articles due to excessive watering is effectively avoided, and meanwhile, the recycling of redundant water is effectively ensured.

The application relates to a multi-connected air conditioner control method and device, electronic equipment and a readable storage medium. The method comprises the following steps: when the air conditioner running mode is a heating mode, determining a shutdown indoor unit with a shutdown running state in the indoor unit, and controlling the shutdown indoor unit to be disconnected with a refrigerant pipeline; determining a terminal indoor unit in the shutdown indoor unit; and performing a refrigerant recovery operation on the pipeline corresponding to the terminal indoor unit. By disconnecting the shutdown indoor unit with the refrigerant pipeline, the refrigerant can be prevented from entering the indoor unit to cause heat loss; meanwhile, by recovering the refrigerant in the terminal indoor unit, the refrigerant can be prevented from accumulating in the refrigerant pipeline, and the refrigerant recovery in the terminal indoor unit can drive the refrigerant in the refrigerant pipeline of the non-terminal indoor unit to circulate to a certain extent, so that the refrigerant recovery is ensured, and excessive heat loss of the system caused by the refrigerant recovery of too many indoor units is avoided.

The invention discloses a stem cell-based microvesicle as well as a preparation method and application thereof, belongs to the technical field of biological tissue engineering, and particularly relates to a preparation method of the stem cell-based microvesicle, which comprises the following steps: culturing stem cells until the cell fusion degree is 80-90%, performing hypoxia treatment, and cleaning for 2-3 times; standing and culturing the cleaned stem cells, then adding a calcium ion carrier, and carrying out ultrasonic treatment; the serum-free basic culture medium containing the calcium ion carrier is immediately absorbed and removed, the cells are cleaned through PBS, culture is conducted for 24 h, and cell supernatant is collected and merged respectively; performing first centrifugation to remove cell debris; performing second centrifugation to remove dead cells and large cell debris; carrying out third centrifugation to remove organelles; fourth centrifugation is carried out, large vesicles are removed, and a final supernatant is obtained; and filtering and centrifuging to obtain a microvesicle precipitate. The preparation method of the microvesicles aims at systematically improving the yield and biological activity of the stem cell microvesicles through low-oxygen pre-stimulation, ultrasonic-calcium ion carrier synergistic induction and differential centrifugation.

The invention provides a medicine feeding device with an anti-choking function for a critical care appliance. The medicine feeding device structurally comprises a pushing block, a pushing body, a sealing ring, a heat preservation cylinder, an output body and a nasal feeding tube, the pushing block and the pushing body are perpendicular to each other, and the pushing body penetrates through the sealing ring and enters the heat preservation cylinder; after the output body is improved, the locking body at the lower end of the covering disc and the upper end of the heat preservation cylinder form the effect of being convenient to disassemble and clean, and then the silica gel ring at the upper end of the covering disc and a trapezoid formed by the conveying pipe are combined, so that one end of a nasal feeding tube can be opened by utilizing the characteristic that the upper part is narrow and the lower part is wide after being inserted into the end of the nasal feeding tube; and then the stress disappears and rebounds, the conveying pipe can be clamped, so that stable medicine feeding is achieved, inconvenience caused by finger pinching and permeation caused by gap influence in the prior art are replaced, the using effect of the medicine feeding device can be improved, meanwhile, the nasal feeding pipe can be removed according to the actual situation, the conveying pipe directly enters the interior of the mouth, and the medicine feeding device is convenient to use. And slowly feeding the medicine.

The utility model provides an ammonium chloride drying fluidized bed furnace washing wastewater treatment system, and belongs to the technical field of wastewater treatment. A furnace washing wastewater treatment system for an ammonium chloride drying fluidized bed comprises a wastewater collecting tank, a first regulating tank connected with an outlet of the wastewater collecting tank, a coagulating tank connected with an outlet of the first regulating tank, a second regulating tank connected with an outlet of the coagulating tank, and a preheater connected with an outlet of the second regulating tank, the desorption tower is connected with the preheater through a first pipeline, the tower top of the desorption tower is connected with a condenser, the condenser is connected to an ammonia absorption tower of the combined-soda system, the tower bottom of the desorption tower is connected with a cooler, and the cooler is connected to a salt dissolving workshop through a second pipeline. The device is used for effectively treating wastewater and realizing comprehensive recycling of ammonia nitrogen and chloride ions.

The utility model discloses a standby ejection steam source and nitrogen source system for full recovery of damping-down gas, which is characterized in that the gas inlet end of a gas inlet pipeline is connected with a clean gas pipe network, and a buffer tank is arranged at the gas outlet end of the gas inlet pipeline; the damping down ejector is connected with the air outlet end of the buffer tank; the air outlet end of the dry method treatment management device is connected with the air inlet end of the damping down ejector; the air outlet end of the steam pipeline is connected with the air inlet end of the damping-down ejector, and a plurality of diffusing ends are arranged on the steam pipeline; the gas outlet end of the nitrogen pipeline is connected with the gas inlet end of the damping-down ejector, and a plurality of diffusing ends are arranged on the nitrogen pipeline; the gas outlet end of the gas pipeline is connected with the gas inlet end of the damping-down ejector, and a plurality of diffusing ends are arranged on the gas pipeline. The parallel multi-source pipeline is connected with the damping-down ejector, the capability of adapting to various different components, performances and pressure grades is achieved, damping-down diffused gas is recycled as much as possible, meanwhile, the reliability of the damping-down process is guaranteed, and emission of carbon monoxide is reduced.

The invention relates to the field of medical instruments, in particular to an ECMO loop blood recovery assembly and an ECMO loop blood transfusion system. The ECMO loop blood recovery assembly comprises a liquid inlet pipeline, a first pump body, a liquid collector, a filtering pipeline, a filter, a liquid outlet pipeline, a filtrate leading-out pipeline and a second pump body; the liquid inlet pipeline, the first pump body, the liquid collector, the filtering pipeline, the filter and the liquid outlet pipeline are communicated in sequence; the filtrate leading-out pipeline is communicated with the filter, the second pump body is arranged on the filtrate leading-out pipeline, and the end, communicated with the filter, of the filtrate leading-out pipeline is provided with an on-off valve; wherein the liquid inlet pipeline is used for being communicated with an ECMO pipeline; the liquid outlet pipeline is used for leading out blood filtered by the liquid collector and the filter; and the filtrate leading-out pipeline is used for leading out the filtrate filtered by the filter. The ECMO loop blood recovery assembly is applied to an ECMO loop blood transfusion system, infection can be avoided, and the probability of thrombus and blood coagulation dysfunction is reduced.

This disclosure provides a diffuser section thermoelectric co-circulation system with exhaust gas energy recovery function, including a turbine exhaust diffuser section, a microchannel heat exchange network, an energy conversion circulation subsystem, a power output unit, and a co-control unit. The microchannel heat exchange network is integrated into the diffuser section wall and internal support structure to capture wall heat lost during flue gas kinetic energy conversion. The energy conversion circulation subsystem adopts an organic Rankine cycle or a supercritical carbon dioxide cycle, and the working medium enhances heat exchange with the flue gas through the microchannel heat exchange network to improve energy quality. The power output unit uses the mechanical energy generated by energy conversion to drive unit auxiliary equipment, achieving multi-source energy replenishment. The co-control unit enables coordinated operation of all components. This invention solves the problem of heat loss and waste on the diffuser section wall, improves energy utilization efficiency, reduces unit power consumption, has a simple structure, low modification cost, and strong adaptability, and has significant engineering application value and promotion prospects.

The utility model discloses a full-sealing type servo automatic slotting reaming machine which comprises a box body, the interior of the box body is hollow to form a working cavity and a discharging cavity, and the working cavity and the discharging cavity are separated through a partition plate. A control panel is arranged on the box body; the sliding rail is arranged on the partition plate, and a grooving mechanism and a reaming mechanism are sequentially arranged on the sliding rail; and the three-jaw chuck is arranged at one end of the working cavity, the grooving end of the grooving mechanism and the reaming end of the reaming mechanism correspond to the position of a workpiece on the three-jaw chuck, and grooving and reaming are conducted on the workpiece through the grooving mechanism and the reaming mechanism. The three-jaw chuck is used for accurately positioning a workpiece, and the workpiece is efficiently machined through the grooving mechanism and the reaming mechanism; the precision and efficiency of the machining process are ensured, and the production efficiency is greatly improved.

A trichloroisocyanuric acid mother liquor chlorine recovery system comprises a mother liquor tank and a hydrochloric acid tank, the mother liquor tank is communicated with the bottom of a dechlorination tank through a pump body and a pipeline, the hydrochloric acid tank is communicated with the top of a dechlorination tower through a pump body and a pipeline, and the bottom of the dechlorination tower is communicated with the top of the dechlorination tank. The dechlorination tank is also communicated with the top of the dechlorination tower through a pump body and a pipeline, and the top of the dechlorination tower is also communicated with chlorine recovery equipment. By optimizing the structure, the trichloroisocyanuric acid mother liquor chlorine gas recycling system is formed, the acidity of the mother liquor is increased, the air volume of the blow-off tower is reduced, the air content in the blown chlorine gas is reduced, the recycled chlorine gas is used for producing a sodium monochloroisocyanate intermediate, and the recycling is ensured.

The utility model discloses a spray water system of a water replenishing pipe, which relates to the technical field of cooling towers and comprises a cooling tower body, a spray pipe arranged at the top in the cooling tower body, a water tank arranged at the bottom in the cooling tower body, a partition plate arranged in the water tank and used for dividing the interior of the water tank into a left cavity and a right cavity. The top of the water tank is provided with a water receiving tank, the bottom of the water receiving tank is provided with a water outlet corresponding to the right cavity up and down, the left cavity is internally provided with an anti-blocking overflow middle pipe, the left cavity and the right cavity are communicated through the anti-blocking overflow middle pipe, and the right cavity is internally provided with a filtering assembly. The spraying pipe is communicated with a water outlet of a water pump arranged outside the right cavity through a connecting pipe, a water inlet of the water pump is communicated with the right cavity, and a main water supplementing pipe is arranged on the connecting pipe in a communicated mode. The utility model has the advantages that the normal circulation of spray water can be ensured, the blockage phenomenon is reduced or avoided, and the like.

The present invention discloses a fumigation furnace for food processing, comprising a furnace body, a sealing door hinged at the front end of the furnace body, a plurality of trays installed in the furnace body, a plurality of through holes penetrating the trays, a moving part slidably installed in the trays, a plurality of ventilators corresponding to the through holes one by one installed on the moving part, a through opening opened on the side wall of the ventilator, and a driving unit installed on the trays; when the furnace body is closed, the sealing door squeezes the driving unit and forces the ventilator to move upward through the through hole. The fumigation furnace for food processing provided by the present invention, when food is placed on the trays, the sealing door is closed, at which time the sealing door squeezes the driving unit, and the moving part is forced to move upward through the driving unit, so that the ventilator moves upward through the through hole, at which time the steam passes through the ventilator and is output from the through opening, thereby ensuring the fumigation effect of the bottom of the food and the recycling of the steam.

This invention relates to the field of water treatment technology, and particularly to a system and method for removing small-molecule organic matter based on field energy granulation and agglomeration. The system includes an initial mixing section and an electrostatic field enhancement section and a post-mixing section connected sequentially to the initial mixing section. Through the effects of initial mixing and electrostatic field enhancement, medium-sized polymers are first formed, which combine with small-molecule organic matter to form complexes, encapsulating the small-molecule polymers. Then, during post-mixing, coagulants are continuously added and adhere to the initial complexes, forming a coral reef-like surface with a higher zeta potential and a larger specific surface area. Each newly formed surface layer combines with pollutants and covers the previous layer, thereby encapsulating more small-molecule organic matter into the flocs and improving the removal rate of small-molecule organic matter. This solves the problem of low removal rates of small-molecule organic matter in existing coagulation processes, which cannot meet the requirements for wastewater recycling.

The invention discloses a process for recovering low-grade copper in semi-autogenous grinding hard rock of a copper ore dressing plant, which adopts a combined process of high-pressure roller grinding crushing, coarse grain dense medium separation and fine grain Nelson separation, that is, after the semi-autogenous grinding hard rock is crushed by a high-pressure roller grinding, coarse grain materials are fed into a dense medium separator for separation, and fine grain materials are fed into a fine grain separator for separation; and the fine-fraction materials are fed into a Nelson centrifugal separator for separation, dense medium concentrate and concentrate of the Nelson centrifugal separator are combined into copper concentrate, and dense medium separation tailings and separation tailings of the Nelson centrifugal separator are combined into final tailings. The physical beneficiation method is used for enriching the copper ore, compared with a conventional flotation method, the physical beneficiation method is more beneficial to the environment, pollution is reduced, the technological process is simple and easy to operate, cost reduction is more facilitated, and a new reliable way is provided for economic recovery of the copper ore in the semi-autogenous grinding hard rock.

According to the technical scheme, the filtering mechanism is characterized in that the filtering mechanism comprises a machining box, a water storage box is arranged on the bottom face of the machining box, the bottom face of the machining box and the top face of the water storage box are both provided with connecting pipes, and the connecting pipes are fixedly installed on the bottom face of the machining box; the water storage tank is fixedly mounted on the bottom surface of the processing box through the connecting pipe; the filtering assembly is arranged in the connecting pipe and is used for blocking and filtering part of solid insoluble substances which are not completely filtered, a water storage tank is arranged, the filtered electrolyte can be intensively collected through the water storage tank, a worker can intensively process the filtered electrolyte conveniently, and fan blades are arranged, so that the working efficiency is improved, and the working efficiency is improved. And through the design of the inclined blades of the fan blades, the blades are subjected to component force perpendicular to the blades in the electrolyte flowing process, then the fan blades are pushed to rotate, and the influence generated by blockage is reduced through centrifugal force generated by rotation when dust blockage occurs.

The invention discloses a chemical filtration aiding and mechanical thermocompression coupling dehydration process and system for treating municipal sludge, and relates to the technical field of sludge dehydration, and the system efficiently treats municipal sludge generated by a sewage treatment plant in a chemical filtration aiding and mechanical thermocompression coupling dehydration mode. Sludge and a medicament are respectively fed into a sewage pretreater through a feeding device and a medicament feeding device, the sewage pretreater is provided with a stirring and uniformly mixing device, the sewage and the medicament are fed into a hot-pressing dehydration device after being fully and uniformly mixed, a steam switch valve is opened, and a dehydration process of chemical filtration aiding and mechanical hot-pressing coupling is carried out; the dehydrated finished product can be used for preparing a high-performance desorption material, and when the removed moisture impurities are excessive, the high-performance desorption material can be discharged after being purified by a wastewater purifier. The water content of the treated municipal sludge can be greatly reduced, reduction and resource utilization of the municipal sludge are realized, and the economic benefit is remarkable.

The invention relates to the technical field of new energy vehicle charging, and discloses a new energy vehicle charging device which comprises a charging pile and further comprises a pressure relief mechanism, the pressure relief mechanism comprises a cooling liquid box and a heat conduction box which are fixedly installed in the charging pile, an annular heat conduction pipe is fixedly installed on the heat conduction box, and a rectangular box is fixedly installed in the charging pile. The circular heat dissipation pipe can effectively cool water vapor, the cooled water vapor part can be condensed into water, the water vapor and part of the cooled water vapor enter the rectangular box together to cool the cooling liquid, continuous rising of the temperature of the cooling liquid is slowed down, and the cooling effect of the cooling liquid is improved. And meanwhile, after part of water vapor is condensed, the volume of the water vapor can be reduced, the air pressure is reduced, the problem that the structure in the device is deformed is further prevented, and therefore normal use of the charging pile and normal charging of the electric vehicle are guaranteed.

The invention discloses a method for improving the grade of phosphorite and removing impurities through a calcination-digestion method, and relates to the technical field of phosphorite beneficiation. The method comprises the following steps: phosphorite crushing: phosphorite raw materials are conveyed to a jaw crusher for coarse crushing, ores subjected to coarse crushing enter a cone crusher for intermediate crushing, ores subjected to intermediate crushing enter a ball mill for fine crushing, and meanwhile, an ultrasonic vibration device is additionally arranged in the ball mill. Impurity wrapping is avoided and the subsequent reaction efficiency is improved by precisely regulating and controlling the granularity during crushing and by means of ultrasound, impurities are strongly decomposed and volatilized through precise temperature control, stable temperature rise and microwave assistance during calcination, phosphate is activated and enriched, the concentration, the liquid-solid ratio and the like are optimized in the digestion link, a chelating agent is added, deep impurity removal is achieved, and phosphorus recovery is guaranteed. Through fine control, the impurities are greatly reduced, the yield is remarkably improved, the product quality is optimized, meanwhile, efficient utilization of resources and environmental protection are considered, and innovation and sustainable development of the phosphorite beneficiation technology are powerfully promoted.

The utility model discloses a crystallizer copper pipe extruding and extending machine, which relates to the technical field of metal processing and comprises a base. The extruder body is arranged at the top of the base; the mounting seat is fixedly connected to the top of the base; the hydraulic cylinder is fixedly connected to the interior of the mounting seat; the mounting frame is arranged at the top of the base; and the uniform operation module is located on the mounting base, the uniform operation module comprises a fixed ring frame, the fixed ring frame is fixedly connected to the outer wall of one side of the mounting base, and the side, away from the mounting base, of the fixed ring frame is movably connected with a movable ring frame. According to the crystallizer copper pipe extruding and extending machine, in the process that the extending end of the hydraulic cylinder is pushed out, continuous all-dimensional automatic spraying can be conducted on the surface of the hydraulic cylinder, lubricating liquid is evenly covered, manual brushing is replaced, and damage to the interior of a copper pipe caused by local friction resistance increase due to uneven lubrication is avoided.

This invention discloses a goji berry harvesting suction and impurity removal device, relating to the field of goji berry processing technology. The invention includes a main frame, with a uniform feeding component and a discharge frame at the top. Below the uniform feeding component is a negative pressure dust suction and cleaning component, and at the bottom center of the uniform feeding component is a pneumatic vibration generator. A mounting base plate is located on the side of the main frame near the discharge frame, and an air-explosion component is mounted on the mounting base plate. The pneumatic vibration generator includes a vibration housing, which is fixedly installed at the bottom center of an inclined vibration frame. By setting up the uniform feeding component and the pneumatic vibration generator, the invention utilizes the pneumatic vibration generator to provide stable vibration force to the uniform feeding component. Combined with the uniform distribution rod and guide plate within the uniform feeding component, it can effectively break up clumps of goji berries. Simultaneously, combined with the filter screen on the component, it performs preliminary pre-impurity removal of the goji berries during the vibration conveying process, thereby achieving uniform distribution and orderly conveying of the goji berries.