Please select the most similar patent number from A, B, C and D. Which number is?
A household environmental protection garbage bin, relating to the technical field of garbage bins, and solving the problem of air pollution by great peculiar smells generated by garbage which is not collected in a classified manner because an existing household garbage bin cannot separate sewage from the garbage. A second partitioning plate (16) is disposed inside a bin body (1) of the garbage bin; a first partitioning plate (15) is disposed above the second partitioning plate (16); a first storage cavity (8) is formed on one side of the first partitioning plate (15); a second storage cavity (10) is formed on the other side of the first partitioning plate (15); a first garbage bin body (9) is provided inside the first storage cavity (8), and a second garbage bin body (11) is provided inside the second storage cavity (10); the upper surface of the bin body (1) is provided with a first cover plate (12); one side of the first cover plate (12) is provided with a second cover plate (13); the second cover plate (13) and the first cover plate (12) are rotatably connected with the bin body (1) by means of hinges; a support frame (18) is provided on one side of the bin body (1); a cigarette extinguishing box (19) is provided above the support frame (18); a waste liquid storage cavity (21) is provided below the second partitioning plate (16).
A: Disclosed is a medicinal material mashing device for motherwort paste production, which relates to the technical field of accessory devices for medicinal material production and processing. The device comprises a crushing box (1), a left door, a right door, a group of fixing rings, an insertion rod, a connection rod (5), a direct current electric motor (6), a group of blades (7), a V-shaped baffle (8) and a group of legs (9), wherein a first storage cavity is provided in the crushing box (1), a first opening is provided in a bottom face of the crushing box (1) and is in communication with the first storage cavity, and top ends of the group of legs (9) are respectively connected to a left-half region and a right-half region of a bottom face of the V-shaped baffle; further comprises a cleaning box (10), a spray head (11), a group of rolling brushes (12), a group of rotation shafts (13), a group of alternating current electric motors and a group of supports (15), wherein a second storage cavity is provided in the cleaning box (10), a second opening is provided in a right-half region of a top face of the cleaning box (10) and is in communication with the second storage cavity, and top ends of the group of supports (15) are respectively connected to a left-front side, a left-rear side, a right-front side and a right-rear side of a bottom face of the cleaning box (10); and further comprises an air drying box (16), a conveying device (17) and a group of supporting rods (18).
B: An odor-resistant partition plate device for a garbage can, comprising a partition plate (1); a feed hole (12) is provided in the middle of the partition plate (1); an openable door is provided at the feed hole (12) for opening and closing the feed hole (12); the openable door comprises a left cover plate (2) and a right cover plate (3); the left cover plate (2) and the right cover plate (3) are in hinged connection with the bottom of the partition plate (1); the left cover plate (2) and the right cover plate (3), when being coplanar, can close the feed hole (12); closing mechanisms are provided on the left cover plate (2) and the right cover plate (3); and the closing mechanisms ensure that the left cover plate (2) and the right cover plate (3) maintain a state of closing the feed hole (12) when no external pressing force is applied. The partition plate device can be sleeved between a lid and a can body of an existing garbage can having a lid, or can be directly sleeved at the opening of a no-lid garbage can.
C: A medicinal material mashing apparatus, relating to the technical field of accessory apparatuses for medicinal material producing and processing. The apparatus comprises a crushing box (1), a left door, a right door, a set of fixed rings, an insertion rod, a connection rod (5), a direct current motor (6), a set of blades (7), a V-shaped baffle (8), and a set of supporting legs (9); the interior of the crushing box (1) is provided with a first storage cavity; the bottom surface of the crushing box (1) is provided with a first opening; the first opening is in communication with the first storage cavity; the top ends of the set of supporting legs (9) are respectively connected with the left half region and the right half region of the bottom surface of the V-shaped baffle; the apparatus further comprises a cleaning box (10), a shower spray (11), a set of roller brushes (12), a set of rotating shafts (13), a set of alternating current motors, and a set of brackets (15); the interior of the cleaning box (10) is provided with a second storage cavity; the right half region of the top surface of the cleaning box (10) is provided with a second opening; the second opening is in communication with the second storage cavity; the top ends of the set of brackets (15) are respectively connected with the left front side, left rear side, right front side, and right rear side of the bottom surface of the cleaning box (10); the apparatus further comprises a drying box (16), a transmission device (17), and a set of supporting rods (18).
D: A storage tank for the classified storage of agricultural products, comprising a cylinder body (1). A storage cavity (2) is provided inside the cylinder body (1). A separation plate (3) is fixedly connected in the middle of the storage cavity (2). Refrigeration pipes (6) are fixedly connected in the middle of refrigeration pipe bases (5). A temperature sensor (7) is fixedly connected on one side of the refrigeration pipe base (5). A sponge pad (8) is movably connected at the bottom of the storage cavity (2). A first spring (10) is fixedly connected on one side of a spring sleeve (9). A limiting block (11) is fixedly connected on one end of the first spring (10). A connecting rod (12) is movably connected on one side of the limiting block (11). A sliding block (13) is movably connected on one end of the connecting rod (12). A sliding groove (14) is movably connected on one side of the sliding block (13). A second spring (15) is fixedly connected on an inner bottom wall of the cylinder body (1). According to the storage tank, the refrigeration pipes (6) are arranged, so that the problem of unavailability of agricultural products due to the spoilage caused by the high temperature in summer can be avoided. The second spring (15) and the first spring (10) are arranged opposite to each other, so that the vibration of the sponge pad (8) can be reduced, and the vibration generated in the movement process of the storage tank is avoided.
Answer: B