13 results about "Electrolytes replacement" patented technology

This application relates to the technical field of electrochemical machining and provides a force-sensing-based electrolyte vibration electrochemical discharge machining device and method. The force-sensing-based electrolyte vibration electrochemical discharge machining device includes an electrochemical discharge power supply, an electrode assembly, a spindle assembly, an electrostatic attraction assembly, a clamping assembly, a moving platform, a force-sensing unit, an ultrasonic vibration unit, an electrolyte replacement assembly, a motion controller, a gas supply unit, a marble platform, an air flotation platform, and a control unit. This device can adjust the discharge gap through force-sensing feedback, and by combining electrolyte vibration and cyclic replacement, it achieves the invention objective of high-precision electrochemical discharge machining of difficult-to-machine materials. In addition, this application also provides a method applied to the force-sensing-based electrolyte vibration electrochemical discharge machining device.

The invention discloses an iron-chromium flow battery system, and relates to the technical field of battery management, the iron-chromium flow battery system comprises a data acquisition port, a data analysis port and an electrolyte replacement port, the data acquisition port is used for acquiring data information in the use process of an iron-chromium flow battery, and the data analysis port is used for analyzing the data information; the data analysis port is used for calculating the residual capacity, the current change rate, the capacity residual rate and the current deviation rate of the iron-chromium flow battery, and the electrolyte replacement port is used for screening out the iron-chromium flow battery needing to be subjected to electrolyte replacement through data comparison and replacing the electrolyte of the iron-chromium flow battery needing to be subjected to electrolyte replacement. The electrolyte waste liquid is treated, the electrolyte is supplemented into the electrolyte container, the addition of a neutralizer is adjusted according to the real-time pH data of the waste liquid in the treatment process, the pH value of the waste liquid is dynamically monitored, the addition amount of the neutralizer is accurately controlled, the deviation between the actual pH value of the treated waste liquid and the ideal pH value range of the waste liquid is reduced, and the waste liquid treatment efficiency is improved. And the damage to the ecological environment is reduced.

The invention discloses an explosion-proof battery cell structure with liquid cooling and electrolyte extrusion replacement functions, and belongs to the technical field of batteries. The structure comprises a battery cell and a cooling system integrated with the battery cell. The cooling system is provided with a cooling cavity defined by a cover plate and the side wall of the battery cell, a liquid inlet cavity and a liquid outlet cavity which are separated by a partition plate are arranged in the cavity, and an independent air pressure cavity is optionally arranged in the cavity. And an explosion-proof structure is arranged on the cooling cavity and / or the battery cell and is communicated with the cooling loop to form a controlled pressure relief path. And the extrusion plate driven by the elastic structure is arranged in the battery cell, and the residual electrolyte is thoroughly discharged by applying extrusion force to the electrode slices. According to the invention, the functions of efficient liquid cooling heat dissipation, multi-stage buffer pressure relief and lossless electrolyte replacement are highly integrated, so that the thermal management performance, the safety and the reliability of the battery cell and the maintainability in the whole life cycle are improved.

The invention belongs to the technical field of flow batteries, and provides a method for prolonging the cycle life of a ferrous sulfide redox flow battery, and the method specifically comprises the following steps: (1) drawing an absorbance curve of a standard ferrous sulfide redox flow battery as a standard curve; (2) taking a to-be-detected ferrous sulfide redox flow battery, and drawing an absorbance curve of which the SOC is lower than that of the standard ferrous sulfide redox flow battery; and (3) when the peak value of the absorbance curve of the ferrous sulfide redox flow battery to be detected at the characteristic absorption wavelength of the polysulfide ions is lower than that of the standard curve, replacing the electrolyte on the sulfur side of the battery with a fresh electrolyte. According to the ultraviolet determination method for the concentration of the sulfur-iron battery electrolyte, special instruments are not needed, the operation process is simple and rapid, assistance of other chemical reagents is not needed, the analysis result is accurate and reliable, and the effect of prolonging the service life of the battery is achieved by supplementing active ions in the sulfur-side electrolyte.

The utility model discloses a portable replacement device for sodium ion battery electrolyte. The portable replacement device comprises a device main body and a fixed plate, a fixing plate is mounted at the top of the device body, a clamping mechanism is arranged on the side face of the device body, a turnover mechanism is arranged at one end of the clamping mechanism, the clamping mechanism comprises symmetrical clamping plates mounted on the side face of the device body, a sliding block is slidably mounted at one end of each clamping plate, penetrating holes are formed in the device body and the clamping plates, and lead screws are rotatably mounted in the penetrating holes. A driving motor is mounted at one end of the screw rod; by arranging the clamping plates, the screw rod and the like, the driving motor is started to adjust the screw rod to rotate so as to drive the two clamping plates to move oppositely, the two ends of the storage battery are clamped through the clamping plates, when the size of the battery pack is large, the sliding blocks are inserted into the connecting plates, the clamping range of the clamping plates is increased, and after the position of the storage battery is fixed, the storage battery is clamped through the clamping plates. And electrolyte is injected into the battery through the liquid discharge pipe at the bottom of the liquid storage tank, so that an operator can use the battery conveniently.

The invention discloses an electrolyte replacement device for electrolytic copper foils, and relates to the technical field of electrolytic copper foils, the electrolyte replacement device comprises an electrolytic tank, electrolyte is contained in the electrolytic tank, the bottom of the electrolytic tank is symmetrically fixed and communicated with liquid discharge pipes, one side of the electrolytic tank is provided with a liquid outlet pipe, one end, away from the electrolytic tank, of the liquid outlet pipe is communicated with a mixing tank, and the liquid outlet pipe is obliquely arranged; the lower end of the liquid outlet pipe communicates with the electrolysis tank, a stirring mechanism is installed in the mixing tank and used for evenly mixing the electrolyte and the additive, a scraper is slidably connected to the inner wall of the electrolysis tank, and the scraper is in transmission connection with a driving mechanism. The stirring mechanism can uniformly mix an electrolyte and an additive, and the scraping plate can clean the inner wall of the electrolytic tank under the driving of the driving mechanism, so that the internal cleanness of the electrolytic tank is guaranteed, and the influence of impurity residues on the subsequent electrolytic copper foil quality is prevented.

The utility model relates to an automatic electrolyte supplementing, stirring and mixing device of an acidic electrolyzed water generator, and belongs to the technical field of electrolyzed water manufacturing equipment. Comprising a base, a box body, a stirring barrel and a stirring assembly. The box body is installed on the base, the box body is provided with a first containing space used for containing a solution to be electrolyzed, and a liquid outlet is further formed in the box body; the stirring barrel is mounted on the box body and is provided with a second accommodating space, and the second accommodating space is communicated with the first accommodating space; the stirring assembly is rotationally installed in the second containing space. The utility model discloses an electrolytic water preparation device, and aims to solve the technical problems that in the prior art, mixing treatment of a solution to be proportioned is lacked, the concentration of the solution to be electrolyzed is not accurate enough, so that the water quality of generated electrolyzed water fluctuates, production of equipment is affected in the electrolyte replacement process, and the use efficiency is reduced.

The utility model belongs to the technical field of mechanical detection, discloses a hydrodynamic detection device, and aims to solve the problems that an existing detection device places electrolyte and a magnetic field distribution block in an electrolytic bath, no structure is arranged for discharging the electrolyte, the magnetic field distribution block is inconvenient to replace, and the use is inconvenient. A cylindrical groove is formed in the top face of the base, a round pipe matched with the groove in a contact mode is arranged in the groove, a connecting structure is arranged between the round pipe and the base, a drainage channel communicated with one side of the base is formed in the bottom face of the groove, a drainage pipe with a stop valve is fixedly installed on one side of the base, and the drainage pipe is communicated with the drainage channel. According to the magnetic field distribution block disclosed by the utility model, the water drainage pipe and the connecting structure are arranged, so that the electrolyte can be conveniently discharged and replaced, and the circular pipe can be taken down through the connecting structure, so that the magnetic field distribution block can be conveniently replaced.

The invention relates to the technical field of electrolytic copper foil production, and discloses an electrolyte replacement device for electrolytic copper foil. The electrolyte in electrolytic copper foil production has the characteristics of consumables and also has the possibility of cyclic utilization, and the electrolyte in electrolytic copper foil production has the characteristics of consumables and also has the possibility of cyclic utilization. A control terminal is fixedly connected to the top of the liquid injection box, a sensing assembly is fixedly connected to one side of the surface of the liquid injection box, liquid injection pipes arranged in order are arranged on the periphery of the bottom of the liquid injection box, and a liquid level rod is movably connected to the interior of the sensing assembly in a sleeved mode. A first connecting pipe is fixedly connected to one side of the surface of the liquid injection box, and the liquid injection box, the liquid injection pipe, the first connecting pipe and a second connecting pipe are arranged, so that when new electrolyte is injected into the electrolysis box, the electrolyte in the electrolyte storage box is fed into the first connecting pipe and the second connecting pipe through a circulating pump; and then new electrolyte enters the electrolyte injection box, the electrolyte is injected into the electrolysis box through the electrolyte injection pipe to be replaced and supplemented, the steps of manual operation are reduced, the labor intensity is reduced, and the electrolysis interruption time in the electrolysis box is shortened.

The utility model provides an automatic liquid changing and supplementing system and an alternating current electrochemical dissolving system, the automatic liquid changing and supplementing system comprises a liquid changing mechanism, a plurality of first pipelines, a second pipeline and a plurality of liquid storage containers, the number of the first pipelines is the same as that of the liquid storage containers; each liquid storage container is connected with the liquid changing mechanism through the first pipeline, the liquid changing mechanism is further connected to an external container through a second pipeline, and the liquid changing mechanism is used for outwards conveying a solution in one liquid storage container through the second pipeline; according to the automatic electrolyte replacement device, the electrolyte can be automatically replaced, the operation steps are simplified, the time is saved, and the radiation dose of personnel is reduced.

The invention discloses an aqueous zinc ion battery manganese dioxide positive electrode doped ion modification method, belongs to the technical field of zinc ion battery preparation, and aims to solve the problem that ion diffusion kinetics and structural stability are difficult to consider in traditional uniform doping. The method comprises the steps that through three-stage dynamic electrochemical deposition, a continuous concentration gradient distribution double-ion doping structure from a bulk phase to a surface is constructed in a manganese dioxide lattice, double ions are charge compensation type high-valence metal ions and lattice stable type metal ions, and the electrolyte replacement rate and concentration linear change function parameters are controlled; and activating and crystallizing by ozone to synchronously realize high-valence ion oxidation and crystalline phase conversion from amorphous MnO2 to alpha-MnO2 so as to form a nanowire morphology. According to the method, electrochemical behavior consistency is guaranteed, a zinc ion diffusion path is optimized, lattice distortion is inhibited, electron conductivity and contact area are increased, structural stability and electrochemical performance of the material are comprehensively improved, and key indexes such as cycling stability and rate capability are improved.

The utility model relates to the technical field of potassium type ionic membrane electrolysis, in particular to an ionic membrane electrolytic cell convenient for electrolyte replacement, which comprises a support abutting frame, a liquid pumping mechanism transversely penetrates through one side of the support abutting frame, the liquid inlet end of the liquid pumping mechanism is inserted into the left side and the right side of the bottom wall of a cell body, and a top cover is clamped at the top opening of the cell body. The bottom of the top cover is in threaded connection with a fixing mechanism, an ionic membrane is clamped in the fixing mechanism, a cathode plate is clamped on one side of the top wall of the top cover, an anode plate is clamped on the other side of the top wall of the top cover, and a liquid inlet pipe is clamped on one side, close to the cathode plate, of the top of the tank body. According to the improved electrolytic cell, the liquid pumping mechanism can rapidly execute the electrolyte discharging process and improve the efficiency, the rapid discharging valve can allow new electrolyte to be rapidly filled into the cell body, the electrolyte replacing time is shortened, the fixing mechanism can be suitable for rapidly and simply installing the ionic membrane, a good sealing effect is formed, and electrolyte leakage is prevented.

The utility model belongs to the technical field of electrochemical dechlorination and polar plate replacement, and discloses an electrochemical dechlorination device which comprises an electrolytic tank body, a first motor is fixedly arranged at the top end of the electrolytic tank body, and electrolytic electrode replacement assemblies are symmetrically arranged on the two sides of the electrolytic tank body; the electrolysis electrode replacement assembly comprises mounting frames fixedly arranged in the two sides of the electrolysis tank body, inner pipes are inserted into the mounting frames, second transmission rods are rotatably arranged in the inner pipes, electrode rods are rotatably arranged at the other ends of the second transmission rods, first transmission rods are rotatably arranged at the other ends of the electrode rods, and the first transmission rods are rotatably arranged at the other ends of the first transmission rods; according to the electrolytic electrode replacing assembly, the electrode rod can be taken out from the interior of the mounting frame, the consumed electrode rod can be replaced, and the replaced electrode rod can be placed into the interior of the mounting frame again, so that the replacement operation of the electrode rod is very convenient, and the replacement difficulty of the electrolytic electrode is greatly reduced.