251results about How to "Avoid excessive consumption" patented technology

The invention relates to an environment-friendly and energy-saving sand mold casting process. The process comprises a first step of mixing metal sand and a binder uniformly to prepare metal molding sand; a second step of assembling a sand box and a mold and filling the metal molding sand until the sand box is full; a third step of firstly starting a vibrator to vibrate the sand box, then closing the vibrator and supplying power to an electromagnet so as to generate an electromagnetic force, wherein the electromagnet and the vibrator are arranged out of the sand box, at the same time hardening the metal molding sand to prepare the sand mold, removing the electromagnet or turning off electricity of the electromagnet when the hardening process is finished, pulling out the sand mold and coating high temperature-resistant coating on the surface of the sand mold to obtain the casting mold; and a fourth step of placing the casting mold between two magnetic poles of the electromagnet, turning on electricity for the electromagnet, pouring a metal liquid in the casting mold, forming a casting member when the metal liquid is cured, and performing sand shakeout and shot blasting treatment on the casting member when the casting mold is cooled down. With the process provided by the invention, pollutions to the production environment can be prevented, consumption of mineral resource is prevented, and at the same time, mechanical performance and size precision of the casting member can be increased significantly.

The invention belongs to the field of wireless communication, and is mainly applied to a wireless self-organizing network. On the premise of not increasing the network energy consumption, the throughput capacity of the whole routing path is effectively improved through maximizing the network throughput capacity of each hop of links. In order to reach the goal, a method provided by the invention adopts the technical scheme that according to a cooperation routing method for improving the wireless network throughput capacity, a source node transmits data to a target node through multiple hops, an emitting node of each hop of link firstly builds a non-cooperation shortest path route, and in addition, a candidate relay node set is built through a built route list and a neighbor node list; then, the link throughput capacity under the direct transmission, single-relay cooperation transmission and double-relay cooperation transmission is calculated, and the transmission mode corresponding to the maximum throughput capacity is selected in a self-adaptive way to be used as the transmission mode of the hop of link; and finally, the power is dynamically regulated according to the selected transmission mode, in addition, the data grouped transmission is carried out until the data of the source node is transmitted to the target node.

The invention discloses a gas extracting drilling solid-liquid two-phase hole sealing device. The gas extracting drilling solid-liquid two-phase hole sealing device comprises a first capsule bag, a second capsule bag, a third capsule bag, a primary grouting pipe and a secondary grouting pipe, a first hole sealing section is arranged between the first capsule bag and the second capsule bag, and a second hole sealing section is arranged between the second capsule bag and the third capsule bag; and an explosive valve located in the first hole sealing section is formed in the primary grouting pipe, the other end of the secondary grouting pipe is located in the second hole sealing section, and is in communication with the second hole sealing section through a second one-way valve. The inventiondiscloses a gas extracting drilling solid-liquid two-phase hole sealing technology at the same time, a network is connected to perform extracting after the first hole sealing section is subjected tosolid-phase hole sealing, periodic detection of gas extracting concentration is carried out to an extracting drilling hole of which the solid-phase extracting is completed, liquid-phase sealing of thesecond hole sealing section is perform on an extracting drilling hole with gas leakage, and then extracting can be continued. According to the gas extracting drilling solid-liquid two-phase hole sealing device and technology, liquid-phase hole sealing operation can be carried out to an extracting drilling hole with poor hole sealing and the gas leakage, periodic maintenance can be carried out tothe liquid sealing effect, and extracting drilling hole is prevented from densified cumbersome construction.

The invention relates to a method for separating olefin from coal-based fischer-tropsch synthesis light distillate oil. The method comprises the following steps of (1) conducting deacidification treatment on fischer-tropsch light distillate oil raw materials; (2) absorbing the deacidification-treated distillate oil to remove a carbonyl compound; (3) ensuring that the distillate oil after deacidification enters a de-lighting tower, a component with a carbon number less than n is separated from the top of the de-lighting tower, a bottom component enters a de-weighting tower, a component with a carbon number greater than n is taken off from the bottom of the de-weighting tower, and a component with a carbon number of n is separated from the top of the de-weighting tower; (4) ensuring that thecomponent of the carbon number of the n enters an extractive distillation tower and is in reverse contact with an extracting agent, a non-polar alkane is separated from the top of the tower, and theextracting agent and the target olefin are distilled from the bottom into a recovery tower; (5) ensuring that the target olefin is distilled off from the top of the recovery tower, and the extractingagent is distilled off from a tower kettle and recycled to the extractive distillation tower. Due to the preparation of the high carbon number olefin, and negative pressure distillation is used for preventing olefin cracking, which ensures the structural integrity of the olefin.

The present invention discloses an assisted implementation method and apparatus for pushing a playing object in a mobile terminal. The method comprises: according to a playing object played on each mobile terminal, constructing a user portrayal for each mobile terminal, and classifying the mobile terminal; and downloading a playing object played on a mobile terminal of the same kind of a target-online mobile terminal to the target-online mobile terminal, which is used for pushing, wherein the target-online mobile terminal is an online mobile terminal that uses non-cellular access technology to transmit data. The playing objects downloaded to the target-online mobile terminal are likely user preferred playing objects, with high possibility of being pushed. The playing objects have been downloaded in advance, so that the problem that the downloaded playing objects cannot be ensured intact as the objects are downloaded in fragmentary times if being pushed can be avoided. In addition, only if a mobile terminal uses non-cellular access technology to transmit data, a playing object will be downloaded on the mobile terminal, thereby avoiding the problem of excessive flow consumption.

The invention discloses an audio processing circuit for eliminating plug-in noise of an earphone and a line control earphone. In the earphone, audio transmission lines for transmitting left-channel audio signals and right-channel audio signals are respectively connected with a noise-suppression circuit; each noise-suppression circuit is internally provided with a blocking capacitor and a switching element, wherein one end of the blocking capacitor is connected with one audio transmission line, and the other end of the blocking capacitor is connected with the switching element. According to the audio processing circuit for eliminating the plug-in noise of the earphone, before and after the earphone is plugged in, the switching elements are switched off; when the earphone is plugged in, the imported suddenly-changed DC voltage is transmitted to the switching elements through the blocking capacitor, the switching elements are switched on, the audio transmission lines are grounded through switching paths of the switching elements, and then the output of the plug-in noise is blocked. The audio processing circuit for eliminating the plug-in noise of the earphone has the advantages that the design and structure are simple, and the cost is low; the noise generated when the earphone is plugged in can be completely eliminated. Therefore, the audio processing circuit disclosed by the invention is applied to the design of circuits for all existing four-section line control earphones.

The invention discloses a pseudo-ginseng inducible promoter R1 and application thereof, the nucleotide sequence of R1 is shown as SEQ ID NO: 1, and molecular biology and genetic engineering related technical researches prove that the pseudo-ginseng promoter R1 responds to several plant hormones, biological stress and abiotic stress; a fusion expression cassette constructed by the panax notoginseng promoter R1 and the beta-glucuronidase gene is transferred into tobacco for expression, and the activity of the glucuronidase of the transgenic tobacco is quantitatively detected through a fluorescence method. The result shows that after the transgenic tobacco is treated by fusarium oxysporum, fusarium solani, alternaria alternata, NaCl, AlCl3, gibberellin, methyl jasmonate, salicylic acid, abscisic acid and ethephon, the activity of glucuronidase is obviously enhanced; the pseudo-ginseng promoter R1 is induced by several plant hormones and biological and abiotic stress factors, and can be used for plant disease-resistant gene engineering.

The invention discloses a bidirectional rotary welding clamp for a fork arm carrier of a forklift truck, which comprises a support frame, a welding clamp body, rotating wheels, a support plate, a cross bar, a cushion block and a rolling shaft, wherein the rotating wheels are respectively and movably fixed at two sides of the support frame; the left side and the right side of the support plate are respectively welded on the rotating wheels; the cross bar is fixedly arranged in the middle at the bottom part of the welding clamp body; one end of the rolling shaft is fixedly connected with the support plate; the other end of the rolling shaft sequentially penetrates through the cross bar and the cushion block; and the welding clamp body is movably fixed on the support frame. Therefore, the welding clamp body can be turned vertically and laterally. The bidirectional rotary welding clamp has the beneficial effects that the displacement of a circle at the upper, lower, left and right sides of the fork arm carrier of the forklift truck is realized by improvement on the structure, and thus the convenience for welding of welders is achieved and further the labor efficiency is improved and excessive consumption of physical strength is avoided.

The invention relates to a chitosan carbon steel restrainer, which comprises components that are more than one selected from hydroxypropyl chitosan and carboxymethyl chitosan. The use of chitosan carbon steel restrainer is that the restrainer can be added into cleaning solution to clean steel by immersion. The cleaning solution is acid liquor, the addition amount of the restrainer in the acid liquor is 0.001 to 3.0 g/L, and the immersion is performed at room temperature for 0.5 to 4 hours. The product of the invention is used for surface cleaning of carbon steel and carbon steel product and the method can prevent over metal etching and excessive acid liquor consumption during cleaning and has the outstanding advantages of low price, low dosage, high efficiency and high continuous acting force.

The application discloses a high temperature support plate self-locking nut processing technology in the mechanical technology field. The high temperature support plate self-locking nut processing technology includes concrete steps: (1) preparing material; (2) blanking; (3) stretching for forming: fixing a mold for high temperature alloy sheet material, pulling two ends of the mold according to shape of a product for repeated stretch forming, and adding lubricant between the mold and the high temperature alloy sheet material when necessary; (4) performing machining for fine trimming; (5) performing linear cutting; (6) performing thread tapping; (7) performing in-process inspection; (8) performing heat treatment: performing solid dissolution and aging treatment, wherein in solid dissolution, setting solid dissolution temperature at 900+/-10DEG C, keeping solid dissolution time for 60min, and then adopting oil cooling; in aging treatment, setting aging temperature at 710+/-10DEG C, keeping aging time for 15-17h, and then adopting air cooling; (9) blasting sand; (10) detecting fault; (11) performing surface treatment: plating silver on the surface of the high temperature alloy sheet material after being processed through the above steps; (12) inspecting. The high temperature support plate self-locking nut processing technology solves the problem that cutter consumption is high in production of support plate self-locking nuts in the prior art.

The invention provides a homogenate coating method for negative lithium titanate. The method comprises the following steps: a, connecting a material storage box, a homogenate tank and a coating chamber into integrated homogenate coating equipment by virtue of a conveying pipeline; b, controlling the humidity in the material storage box and the homogenate tank to be in a range of 0-10% RH; c, adding a homogenate solvent and a negative electrode material into the material storage box, and controlling the humidity in the material storage box to be in a range of 0-10% RH; d, guiding the homogenate solvent and the negative electrode material into the homogenate tank for stirring; e, checking the solid content, viscosity and fineness of the homogenate, and preparing for discharging and coating; f, controlling the ambient humidity of the coating chamber to be 0-30% RH, starting to coat, and baking to obtain a negative plate coil. According to the homogenate coating method provided by the invention, a phenomenon that moisture in a lithium titanate homogenate absorbing environment is in a gel state in the homogenate coating process is eliminated, a gas expansion problem of a lithium titanate battery is reduced to a certain degree, and the electrical properties of the battery are improved.

The invention discloses a charge and discharge protective circuit for a battery. The charge and discharge protective circuit comprises a battery, a charge circuit, a load circuit, an overvoltage protective circuit and an under-voltage protective circuit. The overvoltage protective circuit comprises an overvoltage reference voltage circuit, a first comparison circuit, an NAND gate and a first switch tube. The under-voltage protective circuit comprises an under-voltage reference voltage circuit, a second comparison circuit, an AND gate and a second switch tube. If the battery is overcharged, the voltage of the positive electrode of the battery is higher than the rated voltage of the battery, so the first comparison circuit outputs high level and the NAND gate outputs low level to cut off the first switch tube, the charge circuit stops charging the battery, and then the battery is prevented from being overly charged. If the load circuit excessively consumes electric energy of the battery, the voltage of the positive electrode of the battery is lower than the lowest under-voltage, so the second comparison circuit outputs low level and the AND gate outputs low level to cut off the second switch tube, the load circuit stops consuming the battery, and then an overvoltage and under-voltage effect is achieved.