Please select the most similar patent number from A, B, C and D. Which number is?
The present invention relates to the field of polyurethane production apparatus. Disclosed is a polyurethane foaming apparatus, comprising an inner barrel, an outer barrel, a material transportation device, an inner barrel stirring device, an outer barrel stirring device, a first motor, a second motor, and a controller. The inner barrel is disposed on the material transportation device. An inner cavity of the inner barrel is communicated with the material transportation device. The material transportation device is disposed in the outer barrel. A discharging device is disposed on the outer barrel. The inner barrel stirring device comprises a first rotating shaft and a first stirring blade. The outer barrel stirring device comprises a second rotating shaft and a second stirring blade. The material transportation device comprises a material transportation pipe, a spiral rod, and a third motor. The discharging device comprises a baffle, a lifting plate, a recessed, and a hydraulic cylinder. The recess is fixedly disposed at the bottom of the outer barrel. The hydraulic cylinder is fixedly disposed on the inner bottom surface of the recess. An output end of the hydraulic cylinder is connected to the lifting plate. Telescopic guide columns are disposed between the lifting plate and a base. The upper surface of the lifting plate is connected to the baffle by means of upright columns. The present invention has the advantages of high material mixing uniformity, high finished product quality, convenient use, and small space occupation.
A: The present invention discloses a polyurethane foaming device, which comprises a tank, a stirring device is arranged inside the tank, the tank is composed of a shell and a reaction tank arranged inside the shell, a vacuum cavity is formed between the shell and the reaction tank, a heating tube is arranged inside the cavity, both an inlet and an outlet of the heating tube extend to the outside of the tank and are connected with a heating device, the side wall of the reaction tank is provided with a temperature sensor, and the heating device is electrically connected with a temperature sensor. The present invention arranges the temperature sensor and the heating device, when raw materials are added into the tank, the temperature sensor detects the temperature in real time and controls the heating device to heat, at the same time, the stirring device is activated to ensure that the raw materials in the reaction tank are heated evenly, when it is heated to a suitable temperature, the heating is stopped, since there is a vacuum between the shell of the tank and the reaction tank, it has a good insulation effect, can ensure the foaming temperature of the raw materials well, and ensure the quality and production efficiency of the product.
B: A multifunctional foliar fertilizer mixing apparatus, comprising a mixing apparatus (1) and a supporting apparatus (2). The mixing apparatus (1) comprises feeding portions (11), a reaction portion (12), and a discharging part (13); there are two feeding portions (11) which are respectively disposed on both sides of the reaction portion (12) and communicated with the reaction portion (12); the discharging portion (13) is disposed at the bottom of the reaction portion (12) and is communicated with the reaction portion (12); each feeding portion (11) comprises a feeding structure; the top of the feeding structure has an opening; a detachable sealing cover (3) is provided at the opening; the discharging portion (13) is provided with a discharging valve (14); the reaction portion (12) comprises a housing and an inner cavity; a motor (4) is provided at the top middle position of the housing; the output shaft of the motor (4) extends through the housing and has a rotating shaft (41) welded at the bottom; the outer wall of the rotating shaft (41) is provided with first mixing blades (42); a second mixing blade (43) is provided between the first mixing blades (42); a third mixing blade (44) is provided below the first mixing blades (42); a supporting rod (5) is provided on the supporting apparatus (2); a lighting device (6) and a monitoring device (7) are provided on the top of the supporting rod (5).
C: Disclosed is a dual-loading type mixing and stirring device for a negative electrode material of a lithium battery, the device comprising a loading device and a mixing and stirring device. The loading device comprises a storage box (1), a first motor (4) and loading cylinders (5), wherein two loading cylinders (5) are provided and are fixedly disposed on a support plate (6) and connected to a mixing and stirring box (11); the first motor (4) is fixedly disposed on the support plate (6) and on the left sides of the loading cylinders (5); and the storage box (1) is disposed on a feeding pipe (2). The mixing and stirring device comprises the mixing and stirring box (11), a stirring box (12), a speed reduction box (17) and a second motor (18), wherein the mixing and stirring box (11) is welded onto a side part of the support plate (6); the speed reduction box (17) is fixedly disposed on a cover plate (14); the second motor (18) is fixedly disposed on the speed reduction box (17); and the stirring box (12) is disposed on a stirring shaft (13).
D: A mixing and stirring kettle for manufacturing a lithium battery, comprising a base (1), a kettle body (4), and a stirring device (3). The base (1) is provided at the bottom of the kettle body (4) and consists of a bottom plate (25), a support column (26), a support block (27), a support rod (28), and a stop block (29); the base (1) is disposed on the lower part of the kettle body (4); a top cover (6) is provided on the upper part of the kettle body (4); a stirring device (3) is provided in the kettle body (4); a first conveying pipe (7) is provided on the left part of the top cover (6); a second conveying pipe (12) is provided on the right part of the top cover; a first filler bin (9) is provided on the top part of the first conveying pipe (7); a first inclined pipe (5) is provided on the bottom part of the first conveying pipe (7); a second filler bin (10) is provided on the top part of the second conveying pipe (12); a second inclined pipe (13) is provided on the bottom part of the second conveying pipe (12); the stirring device (3) consists of a stirring wheel (16), a rotary shaft (17), a driven wheel (18), a hollow pipe (19), a V belt (20), a through hole (21), a support frame (22), a motor (23), and a drive wheel (24). According to the present solution, the first inclined pipe (5) and the second inclined pipe (13) inject materials into the stirring wheel (16); and the motor (23) drives, by means of the V belt (20), the stirring wheel (16) to rotate, so that the materials can be mixed, and the mixing efficiency and quality are improved.
Answer: A