83results about How to "Short discharge time" patented technology

Methods and associated devices are described for discharging the high-voltage network, particularly a DC voltage intermediate circuit, in which for discharging the capacitors of the high-voltage network, switching devices are used that lie between the capacitors and at least one precharging resistor and a high-voltage battery, and the switching devices are switches having a specifiable positioning of the switching contacts or switching units or relays or contactors, which are switchable with the aid of a control device. The operation of the switching units takes place in such a way that the at least one precharging resistor is used simultaneously for charging and discharging the DC voltage intermediate circuit.

The invention belongs to the field of a detecting technique for the contents of elements in a solution and particularly relates to a detecting device and method for the content of the elements in the solution by utilizing a high-voltage self-triggering rapid-pulse discharge technique. The detecting device provided by the invention comprises a high-voltage discharge circuit, a liquid sample sampling system and a spectrum detecting system, wherein the high-voltage discharge circuit comprises a discharger which comprises two discharge electrodes; and the liquid sample sampling system comprises a liquid dropper which enables a liquid sample to periodically pass through the gap center between the two discharge electrodes of the discharger. In the invention, a high-voltage self-triggering rapid-pulse discharge plasma spectrometry is used under the premises that complicated equipment does not need to be massively increased and the operation is simple; the heavy metal elements in the liquid are convenient to detect; spectrum signals have good stability; and the method has the potential important application value in the actual detection of water body heavy metal elements.

Provided is a plasma assisted exhaust emission control device with less electric power consumption and with no harmful gas discharged into atmosphere.

A filter body 7 is constituted by porous members through which exhaust gas 2 passes for capturing of particulates in the exhaust gas 2 and is provided with rod-like and cylindrical electrodes 9 and 10 so as to generate plasma in the filter body 7, thereby providing a plasma regenerative particulate filter 11. The particulate filter 11 is accommodated in a filter casing within an exhaust pipe 3. Oxidation catalysts 16 and are arranged respectively upstream and downstream of adjacent to the particular filter 11 in the filter casing 12 so as to obtain heat insulation effect to the particulate filter 11.

The invention discloses a method for comprehensive utilization of waste lithium ions. Firstly, a resistor is used to perform short-circuit discharge on waste lithium ion batteries; secondly, a liquid conduction hole is opened around the bottom of the waste lithium ion battery with a shell to discharge the internal electrolyte, and the discharged internal The electrolyte is put into the container, and the remaining body including the steel shell and the positive and negative materials is obtained after the electrolyte is discharged; again, by adding LiOH solution to the obtained electrolyte, the dangerous electrolyte can be generated into a stable lithium salt solution , and then further concentrated and purified to obtain LiOH and Li ₂ CO ₃ ; Then adopt physical methods to separate the steel casing, the positive electrode material lithium cobaltate and the negative electrode material graphite for the remaining body of the gained; finally the positive electrode material lithium cobaltate is sequentially passed through alkali washing, pickling, and sodium carbonate to precipitate cobalt to obtain cobalt carbonate precipitation The obtained cobalt carbonate precipitate is placed in a high-temperature sintering furnace for calcination to obtain cobalt oxide products, thereby realizing green and efficient comprehensive recycling of waste lithium-ion batteries.

The invention discloses a sludge dehydrator, which comprises a frame and a supporting plate connected with the frame; a sludge pumping mechanism and a pressure extrusion mechanism are arranged at two sides of the supporting plate respectively; a frame plate type filter pressing mechanism is arranged between the pressure extrusion mechanism and the connected supporting plate; the filter pressing mechanism comprises a filter pressing unit; a filter plate is arranged in the filter pressing unit; an annular sleeve is sleeved on the peripheral wall of the filter plate; a filter pressing cavity is formed between the filter plate and a front pressing plate; filter cloth is arranged on the surface of the filter plate in the filter pressing cavity; the surface of the filter plate is provided with a filtrate drainage hole; the drainage hole is connected with a drainage passage arranged in the filter plate and extended to the exterior; and the filter plate is interconnected with the surface of arear pressing plate to form a whole, and the middle part of the filter plate is provided with a through hole which is communicated with a pipeline of the sludge pumping mechanism. The sludge dehydrator can improve the filter pressing efficiency and is convenient to control the dryness of mud cakes.

The invention discloses a solid and liquid separator for materials. The solid and liquid separator comprises a frame, press plates, filter plates, a push-and-pull locking mechanism, a filter cloth mechanism, a filter cloth regeneration mechanism and a cleaning mechanism which are arranged on the frame, wherein the press plates and the filter plates are arranged on the frame in a sliding way alternately, and are matched to extrude a material, so that solid and liquid of the material can be separated; the push-and-pull locking mechanism is used for locking, pushing away all the press plates and filter plates, so that solid-liquid separation operation can be performed, or the material can be discharged; the filter cloth mechanism is used for separating solid and liquid of the material when the material is extruded; the filter cloth regeneration mechanism is used for washing to regenerate the filter cloth after the material is discharged; the cleaning mechanism is used for cleaning the material attached to the separator after solid and liquid of the material are separated. The solid and liquid separator has the characteristics of reasonable design, high structure strength, convenience in operation, complete solid and liquid separation, high separation efficiency, convenience in cleaning, long service life, log maintenance frequency, high reliability, strong practicality and the like, and is beneficial for greatly increasing production benefit of enterprises.

Nanobiomimetic supercapacitors comprise an “Electron Well” and an “Electron-Dam” Membrane Electrode Assembling (MEA); the “Electron-Well” MEA compromises an electrode comprising a substrate of glassy carbon; a self-assembling membrane comprises a polymer matrix; wherein the polymer matrix is comprised of an electrically conductive copolymer; wherein the copolymer is further comprised of one or more first β-cyclodextrin molecules having at least one or more free acetyl groups; one or more polyethylene glycol molecules; one or more poly(4-vinylpyridine) molecules; and one or more second β-cyclodextrin molecules; the self-assembling membrane having a surface structure comprising one or more nanopores and pillars; the nanopores and pillars are vertically oriented on the substrate to form nanopore and pillar array; the “Electron-Dam” MEA compromises the nanopore/pillar layer sealed with an embedded hydrophobic aromatic substance having a flat lid structure; Wherein the MEA can be as either said positive or negative electrode; wherein the “Electron-Well” also can be either said as positive or negative electrode; separated by a porous insulator wetted by an electrolyte-free and air-independent organic solution; at least two current collectors are at each of the end of the MEAs.

A method is provided for balancing the voltage of multiple series-connected electrochemical cells of an electrical storage system of a hybrid electric vehicle. The method includes discharging the electrical storage system by operating at least one large electrical machine of the vehicle at vehicle standstill until the state of charge of the electrical storage system or the cell having the lowest state of charge has reached a predetermined level, and subsequently balancing the voltage of the cells.

The invention provides an artificial propagating and releasing method for fish fries. The method comprises the steps that 1, preparation before releasing is performed, wherein the fries, a releasing water wagon or water tank and a releasing fish delivery pipeline are selected; 2, the fries are loaded onto a car, wherein before the fries are loaded onto the car, the releasing water wagon or water tank, the fish delivery pipeline and other releasing tools are disinfected, the water addition quality, the oxygenation quality and the water temperature of the releasing water wagon or water tank are controlled, and the fry density is controlled when the fries are loaded onto the car; 3, the fries are released, wherein one end of the fish delivery pipeline is communicated with the releasing water wagon or water tank, and the other end of the fish delivery pipeline is placed into a target releasing sea area for releasing. The running water car is adopted for transportation in the whole releasing process, oxygen charging packaging treatment is not needed, and a ship does not need to be rent; the operation technology is simple, rapid and high in efficiency, damage to the fries is little, the survival rate is high, the labor intensity is low, and a large amount of manpower and financial and material resources are saved.

The invention discloses an impeller of an externally mixed type self-priming pump, relating to pumps. A front cover plate and a rear cover plate are arranged on the impeller, blades are arranged between the front cover plate and the rear cover plate, and annularly cut belts are arranged on the external diameters of the cover plates. As the annularly cut belts are arranged on the external diameters of the cover plates, the blades at the parts of the annularly cut belts are not covered by the cover plates, the blades are exposed, and the contact area of the blades with liquid is large. When the pump starts to work, gas and liquid are well mixed by strong agitation force in the pump, gas discharge time is short, and water is quickly pumped. The impeller is suitable for externally mixed type self-priming pumps.

The present invention relates to a method for processing thermosetting plastics, particularly thermosetting polyurethane, as well as a device for performing such a method. The device comprises an extruder device (10) having a cylinder, in which an extruder screw is received in a rotating manner, wherein the cylinder has at least one inlet opening (12, 14, 16) and one outlet opening (18), and that at least one inlet opening (12) of the cylinder is provided for filling the plastic material into the cylinder, as well as a tool (22), into which, or by means of which the material discharged by the extruder device can be guided in or through. According to the invention the device is characterized in that at least one inlet opening (12, 14, 16) is configured for the feeding of at least one cross-linked or reactive component of a thermosetting plastic.

The invention relates to a discharge control device, comprising a hopper (1) receiving a metered product amount where it is deposited, discharge control elements (3) movable between a closed position and an open position by driving means, and a fill tube (2) connecting the discharge control device with a fill nozzle of the form-fill-seal machine whereby a bag is filled with product, wherein the driving means of the discharge control elements (3) comprise a motor (7) driving the movement of one of the discharge control elements (3), and a synchronizing connecting rod (9) synchronizing the movement of the discharge control element (3) driven by the motor (7) with the other discharge control element (3).

The invention allows filling bags reliably and more quickly.

The invention discloses a process for preparing pyrogallol through coupled heating, which comprises using gallic acid as raw material, carrying out intermittent process flows including drying, sublimation, cooling down crystallization and vacuum decarboxylation with a totally coupled heating system and a semi-coupled cooling system, thus the pyrogallic acid can be crystallized and separated.