18 results about "After discharge" patented technology

The present invention discloses a method and device for discharging lithium-ion batteries by soaking them in water, wherein the method comprises the following steps: placing the batteries in a discharge box and sealing the box cover; injecting a discharge solution into the discharge box until the liquid level covers all the batteries; collecting tail gas, dissolving the precipitated sodium chloride crystals, inhibiting the generation of aluminum hydroxide, and spraying to remove the attachments on the surface of the batteries; after the discharge is completed, the batteries are taken out of the discharge box. The discharge device is suitable for the above-mentioned discharge method, and comprises a discharge box, which is equipped with a spray device, and the discharge box is connected to a tail gas recovery device and a pH value adjustment device. The present application can collect the hydrogen generated during the discharge process, avoiding the potential safety hazards caused by the chemical discharge method. In addition, it effectively solves the precipitation problem of aluminum hydroxide and sodium chloride, reduces the impurity content of the product, improves the product quality of the battery black powder, and simplifies the difficulty of subsequent wet recovery and impurity removal operations.

The invention discloses a test circuit, a surge elimination circuit and a surge elimination method. The surge elimination circuit is coupled between the positive power supply end and the negative power supply end of the test circuit. The surge cancellation circuit includes an impedance element and a first relay switch. The first relay switch is connected in parallel with the impedance element. When the test circuit stops supplying power, the first relay switch is turned on to form a first discharge path. The first discharge path is used for discharging a discharge current generated by the test circuit due to the back electromotive force. After discharging through the first discharge path for a first time, the first relay switch is turned off, and the impedance element forms a second discharge path. Therefore, the surge can be eliminated.

The utility model relates to the technical field of bending machines, and discloses a discharging structure of a numerical control bending machine, which comprises a base plate, a first discharging plate and a second discharging plate are fixedly mounted at the top of the base plate, and the second discharging plate corresponds to the low-position end of the first discharging plate in position. And a slag discharging gap is reserved between the low-position end of the first discharging plate and the high-position end of the second discharging plate. According to the discharging structure of the numerical control bending machine, the cleaning assembly is arranged, a hydraulic rod extends to drive a lifting base to move downwards, a rubber plate makes contact with the surface of a workpiece, then a trigger reed makes contact with a contact switch to start a vibration exciter, and the vibration effect is transmitted to the surface of the workpiece through the rubber plate; ash composed of rust slag, a paint layer and the like on the surface of a workpiece is promoted to be separated from the workpiece, the ash enters a slag collecting box along a slag discharging groove in the surface of a baffle, after the baffle is opened, the workpiece can slide downwards under the gravity effect and then slide out of a second discharging plate, and therefore the cleanliness of the discharged workpiece is guaranteed.

This utility model discloses a granulation tower for stearate production, including a bottom plate, a granulation tower body fixedly installed on the top of the bottom plate, a first discharge component on the top of the bottom plate, and a second discharge component fixedly connected to the bottom of the granulation tower body. The first discharge component includes an annular plate and a circular ring. The annular plate is connected to the top of the bottom plate via a bearing, and the circular ring is fixedly connected to the top of the annular plate. A collection box is provided on the inner side wall of the circular ring. This utility model relates to the field of stearate production technology. This granulation tower for stearate production, through the first discharge component, can discharge granules, and after discharge, the granules can be moved away from the bottom of the granulation tower, making discharge more convenient. This design avoids the risk of granules accumulating at the bottom of the tower and causing blockage during discharge, ensuring the continuity of the production process, reducing downtime caused by cleaning accumulated granules, and effectively improving overall production efficiency.

The invention relates to a pulse emission control method for a fuel cell. The method comprises the following steps: S1, starting up the fuel cell; recording the power-on duration; the pulse row frequency is reset; s2, performing first pulse arrangement after the fuel cell is started for a first time threshold value; adding 1 to the pulse arrangement frequency; s3, starting timing from the end of the last pulse arrangement to obtain accumulated time after the pulse arrangement; s4, when the accumulated time after pulse arrangement is smaller than a second time threshold value, the voltage value Un is collected once every one second, and the voltage fluctuation value delta Un of two adjacent times of collection is calculated in real time; when delta Un is larger than or equal to e * Un, two times of continuous discharging are carried out, and 1 is added to the pulse discharging frequency after each time of discharging; the two times of continuous discharge comprise first pulse pre-discharge and pulse post-discharge; returning to the step S3 until the fuel cell is shut down; when the accumulated time after pulse arrangement is larger than or equal to a second time threshold value, two times of continuous arrangement are carried out, the two times of continuous arrangement comprise second pulse pre-arrangement and pulse post-arrangement, and one is added to the pulse arrangement frequency after each time of arrangement; and returning to the step S3 until the fuel cell is shut down.

The utility model discloses a stock bin discharging device which is characterized in that a stock bin is communicated with a hopper of a receiving bin, the hopper is provided with a feeding section and a discharging section, the feeding section and the discharging section are communicated through a communication port, and a discharging port is formed in the wall surface of the feeding section. The stock bin discharging device comprises an articulated chute, a valve plate and a fixing structure. And one end of the chute is communicated with the discharge port. And the valve plate can seal the discharge port and the communication port. The valve plate is fixed to the discharging opening or the communicating opening through the fixing structure. According to the stock bin discharging device, waste materials and damp materials in the stock bin can be conveniently discharged, after the waste materials and the damp materials are discharged, the discharging opening can be sealed through control of the valve plate, and normal production is not affected. The stock bin discharging device is easy to manufacture, convenient to operate, rapid, simple and convenient to install, time-saving and labor-saving, production efficiency is improved, and meanwhile discharging cost is saved.

The invention provides a method and equipment for evaluating the quality of an electrolyte layer. The method comprises the steps of obtaining a charging parameter of a to-be-evaluated battery in a formation process; determining a voltage interval of electrolysis of an electrolyte layer of the to-be-evaluated battery according to the charging parameters; determining the charge state of electrolyte layer repair; the to-be-evaluated battery is discharged according to a preset discharge rate, so that the discharged to-be-evaluated battery reaches a state of charge; the discharged to-be-evaluated battery is charged according to a preset charging rate and a voltage interval, and SEI decomposition charge transfer electric quantity is obtained; and evaluating the quality of the electrolyte layer of the to-be-evaluated battery according to the SEI decomposition charge transfer capacity. According to the method, the to-be-evaluated battery is discharged in the voltage interval in which the electrolyte layer is subjected to electrolytic decomposition, the SEI decomposition charge transfer capacity in each cycle process is obtained, and the SEI layer repairing process is added in each cycle process, so that the charge and discharge period is shortened, and the risk of capacity diving of the battery in the charge and discharge period is reduced.

The utility model provides a discharge structure for a temporary storage tank, which comprises a material box, a discharge pipe arranged on the right side surface of the material box, an electromagnetic valve I connected in series in the middle of the discharge pipe, guide columns arranged on two sides of the material box respectively, a sliding plate arranged among the plurality of guide columns in a sliding manner, and a plurality of sliding columns arranged in the sliding plate in a sliding manner, a scraping brush cleaning plate is arranged at the lower ends of the sliding columns, and a driving mechanism for driving the scraping brush moving plate to move is arranged at the lower end of the material box. According to the discharging structure for the temporary storage tank, impurities remaining in the temporary storage tank after discharging can be rapidly and automatically scraped and cleaned, water washing is matched, waste liquid is rapidly conveyed into the temporary storage tank to be thoroughly discharged, dependence on manual cleaning is reduced, working efficiency is improved, and labor cost is reduced.

The utility model discloses a mixing device for plastic products, which comprises a vertical plastic mixer and a discharge port, the discharge port is arranged on the front side of the vertical plastic mixer, and a discharge control device matched with the discharge port for use is arranged on the left side of the discharge port. And a supporting shell used in cooperation with the discharging control device is arranged on the front side of the left side of the discharging port, two supporting columns used in cooperation with the discharging control device are arranged on the rear side of the left side of the discharging port, a limiting plate is arranged on the left sides of the supporting columns, and a knocking device is arranged at the bottom of the discharging port. According to the utility model, the discharge control device and the knocking device are matched for use, so that the problems that when an existing vertical plastic mixer is used for discharging, a user usually needs to manually open a baffle for controlling discharge, so that a discharge port is used for discharging, and the baffle is manually closed after the discharge is completed, the operation process is tedious, time and labor are wasted, and the working efficiency is high are solved. And the use efficiency of the vertical plastic mixer is influenced.

A mechanism for setting one or more thresholds for post-discharge monitoring of a target subject. The thresholds are set to be time-dependent, so that the current value of the threshold depends upon a time since the target subject has been discharged from a clinical environment.

The invention relates to a method and system for detecting the vacuum degree of a vacuum arc-extinguishing chamber based on a high-frequency electron multiplication method, and the method comprises the following steps: constructing a vacuum arc-extinguishing chamber model, and determining the voltage and frequency of an external high-frequency power supply through the motion law of charged particles, the high-frequency pre-breakdown characteristics of the vacuum arc-extinguishing chamber and a secondary electron multiplication theory; a high-frequency power supply meeting the parameters is added to the two ends of the vacuum arc-extinguishing chamber, and after discharging occurs in the vacuum arc-extinguishing chamber, the magnitude of ion current generated by positive ion directional movement is obtained through detection; adjusting the vacuum pressure in the vacuum arc-extinguishing chamber, and constructing a relation curve between the ion current and the vacuum degree of the vacuum arc-extinguishing chamber; a high-frequency power supply is applied to the two ends of the vacuum arc-extinguishing chamber to be measured, when discharge is generated in the vacuum arc-extinguishing chamber, the ion current is detected, and the vacuum degree is obtained by comparing the calibration curve. Compared with the prior art, the method has the advantages of simplicity and convenience in operation, less interference, high reliability and the like.

The invention relates to the technical field of electrical equipment insulation detection, in particular to an extra-high voltage converter station insulation inspection tool which comprises a discharge rod, the discharge rod comprises an operating rod and an electrode tip, a protection set is installed at the upper end of the operating rod, and a polishing set and an auxiliary discharge set are installed on the protection set; the electrode tip is sealed and protected through the protection group during non-operation, so that the surface of the electrode tip is effectively prevented from being oxidized due to factors such as humid environment; before discharging, a polishing block with the lower hardness on the upper side is adopted for light polishing, and an oxide layer generated on the surface due to storage is removed; after discharging, the polishing block with the lower side being high in hardness is adopted for applying larger polishing force for deep polishing, an oxide layer generated by the high temperature of an electric arc is effectively removed, and therefore the safety and reliability of follow-up detection are guaranteed; in addition, multi-point contact with electrified equipment is realized by means of the auxiliary discharge group, and thorough release of residual charges is ensured.

The medium discharge device 50 includes a mount section 6a, on which a medium tray 61a for stackable medium P is detachably mounted; a discharge port 5a that discharges the medium P onto the medium tray 61a mounted on the mount section 6a; a detection section that detects a “removal operation of the stacking section” for removing the medium tray 61a from the mount section 6a; a restriction section 7a capable of “restriction of removal of the stacking section” that restricts removal of the medium tray 61a from the mount section 6a; and control sections 90 and 91, wherein When the detection section detects the “removal operation of the stacking section,” the control sections 90 and 91 releases the “restriction of removal of the stacking section” by the restriction section 7a after discharge of the medium P from the discharge port 5a is stopped.

The invention discloses a test method for sensitively and quickly characterizing the direct current internal resistance difference of a battery cell, which comprises the following steps: taking a full-charge state as a first extreme state, taking a non-charge state as a second extreme state, setting an intermediate state between the first extreme state and the second extreme state, and gradually reducing the charge quantity in the intermediate state; at the set test temperature, the battery in the first extreme state is discharged at a first discharge rate, and switching from the first extreme state to the intermediate state, from the current intermediate state to the next intermediate state and from the intermediate state to the second extreme state is realized by discharging at a second discharge rate; discharging each battery in the intermediate state at a third discharge rate, and standing after discharging; the discharged battery is charged back to the original intermediate state by using the first charging rate, the first charging rate is the same as the third discharging rate, and the third discharging rate is larger than the second discharging rate and smaller than the first discharging rate; the battery in the second extreme state is charged with a second charge rate, the second charge rate being the same as the first discharge rate. According to the invention, the two extreme states are tested by using high multiplying power, the middle state is subjected to charging and discharging test by using low multiplying power, and due to the reduction of the middle state and the use of different multiplying power, the whole test time is greatly shortened, the cost is reduced, the difference between the battery cells can be more sensitively represented, and the test method is simple and easy to implement. The method can be used for conventional ORT tests.

To provide a discharge cap capable of preventing the contents from spilling from a discharge port, after discharge of the contents.SOLUTION: According to a discharge cap 1 attached to a mouth 2a of a container body 2 that forms a storage space S for storing the contents, the discharge cap 1 comprises a channel formation part 4 that forms a channel 3 extending from a passage port 3a communicating with the storage space S to a discharge port 3b, and a valve body 5a for partitioning the channel 3 to an upstream channel 3c and a downstream channel 3d by moving from an open position to a closed position. The channel formation part 4 comprises an inner cylinder 6 that forms the upstream channel 3c on a radial direction inner side, an outer cylinder 7, and a movable part 8 that moves in the axial direction of the inner cylinder 6 from a non-extension position to an extension position with respect to the inner cylinder 6 and the outer cylinder 7, thereby forming an extension space 3d1 for extending the downstream channel 3d between the outer peripheral face of the inner cylinder 6 and the inner peripheral face of the outer cylinder 7.SELECTED DRAWING: Figure 1

The invention relates to a discharge line (7) of horizontal silo trucks used in dry cargo transport. The product in the silo truck hopper is taken by means of a discharge cone (2) and transferred to a discharge elbow (3) located at the bottom of the discharge cone (2). The product taken from the discharge elbow (3) is discharged outside the truck via the discharge line (7). Thanks to the fact that the components of the discharge line (7) are connected to each other with detachable connecting elements, any component that is damaged or needs to be replaced can be replaced as a spare part, independently of the whole discharge line. The metal surfaces of the discharge line (7) are coated with a metallization coating to protect against corrosion.The discharge line (7) has a discharge accelerator ring nozzle (9) for adjusting the discharge velocity and an extra cleaning line (8) to help clean the product remaining in the line after discharge. Compared to existing welded discharge lines, the invention offers an improved structure in terms of suitability for spare parts use, ease of maintenance and repair, corrosion resistance, discharge performance and line cleanability.

The present invention has an object to suppress an external force applied to a container to discharge a content liquid CLq to an appropriate magnitude, to prevent the content liquid CLq discharged from a discharge nozzle 29 from becoming too thick, and to enable the content liquid CLq after discharge to be cut off in an improved manner. A valve part 49 included in a slit valve 7A includes a slit part 49b including slits 55, and an outer circumferential part 49a coupled to a thin-walled tube part 51 (a connecting part). The slit part 49b more easily deforms with a pressure change in the interior space of the container than the outer circumferential part 49a. The slit part 49b deforms in a discharge direction of the content liquid CLq at the time of discharge of the content liquid CLq, and deforms toward a nozzle flow path 29a after the content liquid CLq is discharged.