13results about How to "Avoid breakout" patented technology

The invention relates to an induction furnace bottom blowing device for pressurized gas phase nitriding and bottom blowing nitrogen increasing and a high-nitrogen steel preparation method. The bottom blowing device sequentially comprises a pressure reducing valve, a one-way valve, a stop valve, a flow meter and a parallel pipeline from nitrogen output, namely a pipeline where an electromagnetic valve connected with a furnace chamber is located and a bottom blowing pipeline connected with a vent plug. The preparation method of the high-nitrogen steel comprises the steps that after alloy materials are completely molten, an electromagnetic valve is opened, a furnace chamber is filled with nitrogen from an air vent to target pressure, and pressure balance in the furnace chamber and a bottom blowing pipeline can be guaranteed through opening of the electromagnetic valve; after the pressure of the nitrogen is stable, closing the electromagnetic valve, and sequentially opening the pressure reducing valve to the flow meter so as to carry out pressurized bottom blowing; and after nitriding is completed, the pressure reducing valve is sequentially closed to the flowmeter, the electromagnetic valve is opened, and pressurized bottom blowing is stopped. According to the method, the nitrogen increasing rate of the molten steel is remarkably increased, the smelting period is shortened, efficient preparation of the high-nitrogen steel is achieved, and meanwhile the phenomena of ventilation plug blocking and steel leakage are effectively avoided.

The invention discloses a food processing method and a food processor, and belongs to the technical field of food processors. The food processing method comprises the following steps: S1, collecting food processing data, including collecting mixing state data in a food processing and mixing process and operation data of a food processor; s2, preprocessing food processing data to obtain a training data set; s3, a food processing model is established based on the training data set by using a recurrent neural network, the input of the food processing model is processed food processing data, and the output is a prediction result of a mixed state; s4, inputting food processing data collected in real time into the food processing model for predicting a food mixing state at a future moment; and S5, adjusting operation parameters of the food processor according to a prediction result of the food processing model so as to realize optimization and efficiency improvement of the mixing process.

The utility model relates to a low-cost power battery pack structure which comprises a box body, the box body comprises a frame and a bottom plate connected with the bottom of the frame, and both the frame and the bottom plate are formed by rolling high-strength cold-rolled steel. The frame and the bottom plate of the box body are manufactured by rolling high-strength cold-rolled steel through a rolling die, and the cost price of the cold-rolled steel is 0.3-0.4 time that of aluminum alloy, so that the cost of the battery pack can be greatly reduced, and the production efficiency of manufacturing is improved.

The molding device comprises an extrusion pipe, a filling and molding mechanism, a bag body conveying mechanism and a sealing assembly, the extrusion pipe is vertically downward, a sealing sliding block is arranged at the bottom of the extrusion pipe, the filling and molding mechanism is arranged on the ground below the extrusion pipe, and the bag body conveying mechanism is arranged on the bag body conveying mechanism. The sealing sliding block is in sliding fit with the end part of the filling forming mechanism; the multiple filling forming mechanisms are arranged side by side, the multiple filling forming mechanisms are installed on the conveying assembly to conduct annular conveying, the bag body conveying mechanism is arranged below the filling forming mechanisms, and the sealing assemblies are arranged below the front end and above the tail end of the bag body conveying mechanism correspondingly. The cylindrical bag body is adopted for filling, in this way, during filling, no heat sealing line exists on the side face of the bag body, and in this way, the bag body is prevented from being expanded and broken during filling.

The invention belongs to the technical field of aircraft folding wing design and control, and discloses an aircraft wing folding system and a control method thereof.The aircraft wing folding system is located between a fixed wing and a folding wing and comprises a controller, a left wing folding mechanism and a right wing folding mechanism, and the left wing folding mechanism and the right wing folding mechanism are the same in structure; each folding device comprises a folding driving device, an actuating mechanism, a cover plate lock and a flattening proximity switch, the folding driving devices, the cover plate locks and the flattening proximity switches are all connected with the controller, the folding driving devices are connected with the actuating mechanisms located between the fixed wings and the folding wings, the cover plate locks are connected with wing cover plates, and the flattening proximity switches are arranged on the fixed wings. The wing folding system is simple in structure, the wing folding / flattening movement is driven through rotating speed PID closed-loop control, the operation process of the control method is simple, convenient and effective, and it is guaranteed that the system is stably, rapidly and reliably operated in the wing aircraft folding / flattening process.

The utility model relates to the technical field of plastic storage tanks, and discloses a plastic storage tank with good corrosion resistance, which comprises an outer barrel, a positioning seat is fixedly mounted on the top side in the outer barrel, four groups of first positioning grooves distributed at equal intervals are formed in the outer side of the top of the positioning seat, and a second positioning groove is formed in the middle of the positioning seat. The four sets of plastic storage tanks distributed at equal intervals are installed in the outer barrel and supported in the butt joint grooves in the top of the base, so that the plastic storage tanks are still kept in the outer barrel under the leakage condition, meanwhile, the pressure sensors installed in the multiple sets of butt joint grooves are matched, real-time pressure monitoring is conducted on the plastic storage tanks, and the pressure monitoring accuracy is improved. When the weight of the plastic storage tank is larger than a set value of a pressure sensor, a signal can be transmitted to a control processor, an infusion pump and an electromagnetic valve in the quantitative storage mechanism are controlled, the chemical liquid exceeding the weight in the plastic storage tank is conveyed into a steel drum, and the situation that the pressure value in the plastic storage tank is too large, and consequently the plastic storage tank is expanded and broken is avoided.

The utility model provides an anti-expansion plastic container which comprises a barrel body, the top of a sealing cover is communicated with an air outlet pipe, a sliding column is arranged in the air outlet pipe in a sliding mode, a sealing piston is fixed to the bottom of the sliding column, a supporting plate is fixed to the top of the sliding column, a spring is arranged on the sliding column in a sleeved mode, and an air outlet hole is formed in one side of the air outlet pipe. One end of the spring is fixed to the air outlet pipe, the other end of the spring is fixed to the supporting plate, a pointer is fixed to one side of the supporting plate, a side base is fixed to the sealing cover, a scale groove is formed in the side base, a pair of semi-ring plates are symmetrically arranged on the two sides of the barrel body, and two supporting legs are fixed to one side of each pair of semi-ring plates. The plastic container solves the problems that when an existing plastic container is used, air pressure inside the plastic container can be increased, the plastic container expands, if the plastic container is not treated in time, the plastic container is prone to deformation, and if the plastic container is serious, the plastic container expands and bursts.

The present invention discloses a die casting mold and a manufacturing method thereof, belonging to the field of die casting technology. The die casting mold fills silicate granule bulk material between the working layer and the insulation layer, and utilizes the low thermal conductivity of the bulk material and porosity to ensure the insulation performance of the mold and reduce heat loss. At the same time, it can also block molten steel when the working layer is damaged, avoid the impact of molten steel on the entire insulation layer, and prevent steel leakage. Thereby effectively improving the insulation performance and service life of the mold refractory material.

The utility model discloses a steam heat source control system of a reboiler of a distillation tower. The steam heat source control system comprises the reboiler connected with the distillation tower, the reboiler is respectively connected with a steam inlet reboiler pipeline and a reboiler outlet condensed water pipeline; the device further comprises a condensed water tank; a condensed water tank top gas phase pipeline and a condensed water tank bottom outlet pipeline are respectively arranged at the upper end and the lower end of the condensed water tank; the tail end of the condensed water tank top gas phase pipeline is connected to the steam inlet reboiler pipeline; the tail end of the reboiler outlet condensation water pipeline is connected to the condensation water tank bottom outlet pipeline; a liquid level meter is arranged on the condensed water tank; a steam flow meter is arranged on the steam inlet reboiler pipeline; a thermometer is arranged on the distillation tower; the liquid level meter and the steam flow meter are electrically connected with an over-relaxation selection control unit; and the override selection control unit is electrically connected with a flow regulating valve preset on a bottom outlet pipeline of the condensed water tank. Condensed water at the outlet of the reboiler does not directly enter the condensing tank and is connected with the outlet pipeline of the condensing water tank, so that the height of the skirt of the tower body is reduced, the investment is saved, the working efficiency is high, and the device is safe and reliable.

The utility model discloses a cooking-resistant food packaging bag which comprises a bag body (2) with an opening in the top. Hot-pressing sealing edges (3) are arranged on the two side edges and the bottom edge of the bag body (2); a first sealing zipper (5), a second sealing zipper (6) and a third sealing zipper (7) which are sequentially and uniformly distributed at intervals from top to bottom are arranged at the top of the bag body (2); a pressure-sensitive adhesive layer (8) is arranged on the outer side surface of one side of the bag body (2) and corresponds to the part between the second sealing zipper (6) and the third sealing zipper (7); and the top of the bag body (2) can be adhered to the pressure-sensitive adhesive layer (8) after being folded over the second sealing zipper (6), so that the top of the bag body (2) is folded and sealed. According to the utility model, not only can the sealing performance during cooking be improved, but also the cooking pot has the advantages of convenience in use and higher safety.

This utility model relates to the field of food processing equipment and discloses an automatic pressure relief device for an empty cake baking box. It includes: a baking box body, with an inner baking liner inside; a door rotatably connected to one side of the outer wall of the baking box near the inner baking liner; and heating elements and baking racks installed inside the inner baking liner. It also includes a pressure relief mechanism, comprising an exhaust pipe connected to the internal space of the inner baking liner and an intake pipe connected to the outside air, each equipped with a first / second solenoid valve and an exhaust fan at the outlet. The control system uses a timing unit and a temperature sensor for coordinated control. This utility model achieves precise, unmanned pressure relief operation, replacing the traditional manual door opening method. It can automatically exhaust and cool according to a preset program, solving the problem of cakes bursting due to inaccurate manual operation, thus ensuring baking quality and significantly improving product yield and stability.

The present invention discloses a comprehensive high and low voltage complete set of power distribution cabinets with environmental protection and low energy consumption functions, specifically comprising: a cabinet body, the cabinet body having a rectangular structure, and a cabinet door arranged on the outside of the cabinet body, a waterproof baffle plate being installed on the top of the cabinet body, and a heat dissipation device being installed inside the cabinet body; a mounting plate, the mounting plate having a long strip structure, and a power supply component arranged on one side of the mounting plate, the power supply component being fixedly connected to the mounting plate through a fixing member, and the mounting plate being arranged inside the cabinet body; the heat dissipation device comprising: a heat dissipation bellows, the heat dissipation bellows having a bellows cylinder, and a fan arranged inside the heat dissipation bellows, the outside of the heat dissipation bellows being fixedly connected to the cabinet body through a fixing sleeve, and the present invention relates to the technical field of power distribution cabinets. This comprehensive high and low voltage complete set of power distribution cabinets with environmental protection and low energy consumption functions can dissipate heat to power supply components in different areas at the same time, thereby improving the heat dissipation efficiency of the device.