Solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol

Abstract

The utility model discloses a solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol, which relates to the technical field of solution heating devices and comprises a supporting bottom plate, and four supporting columns are fixedly connected to the upper end of the supporting bottom plate. Through mutual cooperation of the motor, the rotating rod, the stirring rod and the L-shaped stirring rod, a solution in the heating tank can be driven to shake in the process of heating the solution in the heating tank, so that the uniformity of heating the solution in the heating tank by the device is ensured, and the heating efficiency of the device is improved; in the process of driving a solution in the heating tank to shake, through rotation of a rotating rod, an annular mounting block can be driven to do reciprocating motion in the vertical direction under mutual cooperation of a hollow worm, a worm gear, a rotating shaft, a push-pull rod I, a push-pull rod II and an L-shaped rod; and therefore, the plurality of heating rods can be driven to do reciprocating motion in the heating tank in the vertical direction.

Description

Technical Field

[0001] The utility model relates to a solution heating device, in particular to a solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol. Background Art

[0002] The molecular formula of 4-hydroxy-3-nitrobenzyl alcohol is C7H7NO4. It is easily soluble in ethanol and ether, slightly soluble in cold water, with a solubility of 1% in water at 25°C and 10% in water at 100°C. It is widely used as a pharmaceutical synthesis intermediate. In the process of preparing 4-hydroxy-3-nitrobenzyl alcohol, the solution of 4-hydroxy-3-nitrobenzyl alcohol needs to be heated.

[0003] At present, the solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol still has some defects and shortcomings when in use, and the specific areas that need to be improved are as follows:

[0004] The existing solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol has a relatively simple structure and a single heating method during use, which leads to low heating efficiency of the device. Utility Model Content

[0005] The utility model aims to provide a solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol, so as to solve the problem that the existing solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol proposed in the above background technology has a relatively simple structure and a single heating method during use, which leads to low heating efficiency of the device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol, comprising a supporting base plate, the upper end of the supporting base plate is fixedly connected to four supporting columns, the upper ends of the four supporting columns are fixedly connected to the lower end of a heating tank, a mobile heating component is fixedly connected to the upper surface of the interior of the heating tank, the upper side of the mobile heating component is meshed with the upper side of a stirring component for transmission, the lower end of the stirring component is movably connected to the bottom surface of the interior of the heating tank, the upper side of the stirring component is movably connected to the heating tank with a connecting hole provided in the upper end, the upper end of the stirring component is fixedly connected to sprocket one, the sprocket one is transmission-connected to sprocket two through a set chain, and the sprocket two is fixedly connected to the output shaft of a motor.

[0007] As a preferred technical solution of the utility model, two mounting plates are fixedly connected to the motor, the left ends of the two mounting plates are fixedly connected to the right end of the heating tank, a feed port is opened on the left side of the upper end of the heating tank, and a sealing cover is threadedly connected to the feed port, a heating plate is arranged inside the heating tank, a discharge pipe is arranged at the lower end of the heating tank, and a switch valve is arranged on the discharge pipe.

[0008] As a preferred technical solution of the present utility model, the stirring assembly includes a rotating rod, the upper side of the rotating rod is movably connected to a heating tank with a connection hole opened at the upper end inside, the upper end of the rotating rod is fixedly connected to a first sprocket, the upper side of the rotating rod is fixedly connected to a hollow worm, and the hollow worm is meshed and driven with the upper side of the moving heating assembly.

[0009] As a preferred technical solution of the present utility model, a plurality of stirring rods are arranged on the rotating rod, L-shaped stirring rods are fixedly connected to both the left and right ends of the lower side of the rotating rod, and the lower end of the rotating rod is movably connected to the inner bottom surface of the heating tank.

[0010] As a preferred technical solution of the present utility model, the moving heating assembly includes a worm gear, the worm gear is meshed and driven with the hollow worm, the worm gear is fixedly connected to a rotating shaft, push-pull plates one are fixedly connected to both the left and right ends of the rotating shaft, and the upper ends of the two push-pull plates one are respectively movably connected to the upper ends of two push-pull plates two.

[0011] As a preferred technical solution of the present utility model, L-shaped rods are movably connected to the lower ends of the two push-pull plates two, the lower ends of the two L-shaped rods are fixedly connected to the upper end of an annular mounting block, a plurality of heating rods are arranged at the lower end of the annular mounting block, two limiting blocks are fixedly connected to both the left and right sides of the annular mounting block, and the four limiting blocks are respectively movably connected to four T-shaped limiting rods through limiting holes opened in their interiors.

[0012] As a preferred technical solution of the present utility model, the upper ends of the four T-shaped limiting rods are fixedly connected to the inner upper surface of the heating tank, support plates are movably connected to both the left and right sides of the rotating shaft, and the upper ends of the two support plates are fixedly connected to the inner upper surface of the heating tank.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] Through the mutual cooperation among the motor, the rotating rod, the stirring rods and the L-shaped stirring rods provided in the present utility model, the solution inside the heating tank can be driven to shake during the heating process of the solution inside the heating tank, thereby ensuring the uniformity of heating the solution inside the device, improving the heating efficiency of the device. During the process of driving the solution inside the heating tank to shake, through the rotation of the rotating rod, under the mutual cooperation among the hollow worm, the worm gear, the rotating shaft, the first push-pull rod, the second push-pull rod and the L-shaped rod provided, the annular mounting block can be driven to perform a reciprocating motion in the up and down directions, and further, a plurality of heating rods can be driven to perform a reciprocating motion in the up and down directions inside the heating tank, thereby realizing the adjustment process of the positions where the heating rods are located, enabling the heating rods to heat the solutions at different positions inside the heating tank, further ensuring the uniformity of heating the solution by the device, and at the same time further improving the heating efficiency of the device. Brief Description of the Drawings

[0015] Figure 1 is a perspective view of the main view partial sectional structure of the present utility model;

[0016] Figure 2 is a perspective view of the main view structure of the present utility model;

[0017] Figure 3 is a perspective view of the main view structure of the stirring assembly of the present utility model;

[0018] Figure 4 is a perspective view of the main view structure of the mobile heating assembly of the present utility model;

[0019] Figure 5 is a perspective view of the bottom view of the mobile heating assembly of the present utility model.

[0020] In the figure: 1 support bottom plate, 2 discharge pipe, 3 heating tank, 4 heating sheet, 5 stirring assembly, 51 L-shaped stirring rod, 52 stirring rod, 53 rotating rod, 54 hollow worm, 6 mobile heating assembly, 61 T-shaped limiting rod, 62 heating rod, 63 limiting block, 64 annular mounting block, 65 L-shaped rod, 66 worm gear, 67 rotating shaft, 68 support plate, 69 push-pull plate one, 610 push-pull plate two, 7 sprocket one, 8 sprocket two, 9 motor, 10 mounting plate, 11 support column. Detailed Description of the Preferred Embodiment

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Such as Figures 1-5As shown in the figure, the present utility model provides a technical solution: a solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol, including a supporting bottom plate 1. Four supporting columns 11 are fixedly connected to the upper end of the supporting bottom plate 1, and the upper ends of the four supporting columns 11 are fixedly connected to the lower end of a heating tank 3. A movable heating assembly 6 is fixedly connected to the upper surface inside the heating tank 3. The upper side of the movable heating assembly 6 is meshed and driven with the upper side of a stirring assembly 5. The lower end of the stirring assembly 5 is movably connected to the inner bottom surface of the heating tank 3. The upper side of the stirring assembly 5 is movably connected to the heating tank 3 with a connection hole opened at the upper end. A first sprocket 7 is fixedly connected to the upper end of the stirring assembly 5. The first sprocket 7 is driven by a chain to be connected to a second sprocket 8. The second sprocket 8 is fixedly connected to the output shaft of a motor 9. By the rotation of the output shaft of the motor 9, under the action of the first sprocket 7 and the second sprocket 8 provided, the stirring assembly 5 can be driven to rotate. By the rotation of the stirring assembly 5, the solution of 4-hydroxy-3-nitrobenzyl alcohol prepared inside the heating tank 3 can be driven to rotate, so as to ensure the uniform heating process of the solution of 4-hydroxy-3-nitrobenzyl alcohol by this device in cooperation with the heating sheet 4 provided, and at the same time improve the heating efficiency of this device. During the process of driving the stirring assembly 5 to rotate, the movable heating assembly 6 can be driven to move up and down inside the heating tank 3, which is convenient for heating treatment at different positions inside the heating tank, and further improves the heating efficiency of this device for the solution of 4-hydroxy-3-nitrobenzyl alcohol. Two mounting plates 10 are fixedly connected to the motor 9, and the left ends of the two mounting plates 10 are fixedly connected to the right end of the heating tank 3. A heating sheet 4 is arranged inside the heating tank 3, and a discharge pipe 2 is arranged at the lower end of the heating tank 3. The motor 9 can be supported by the mounting plates 10 provided, and the solution of 4-hydroxy-3-nitrobenzyl alcohol can be conveniently discharged from the inside of the heating tank 3 through the discharge pipe 2 provided after use.

[0023] The stirring assembly 5 includes a rotating rod 53. The upper side of the rotating rod 53 is movably connected to the heating tank 3 with a connection hole opened at the upper end. The upper end of the rotating rod 53 is fixedly connected to the first sprocket 7. A hollow worm 54 is fixedly connected to the upper side of the rotating rod 53. The hollow worm 54 is meshed and driven with the upper side of the movable heating assembly 6. A number of stirring rods 52 are arranged on the rotating rod 53. L-shaped stirring rods 51 are fixedly connected to the left and right ends of the lower side of the rotating rod 53. The lower end of the rotating rod 53 is movably connected to the inner bottom surface of the heating tank 3. By the rotation of the first sprocket 7, the rotating rod 53 can be driven to rotate. Then, under the mutual cooperation of the stirring rods 52 and the L-shaped stirring rods 51 provided, the solution inside the heating tank 3 can be driven to shake, so as to ensure the uniformity of the solution heated inside the heating tank 3 and improve the heating efficiency of this device for the solution.

[0024] The movable heating assembly 6 includes a worm gear 66 which is in meshing transmission with a hollow worm 54. The worm gear 66 is fixedly connected to a rotating shaft 67. Both the left and right ends of the rotating shaft 67 are fixedly connected with a first push-pull plate 69. The upper ends of the two first push-pull plates 69 are respectively movably connected to the upper ends of two second push-pull plates 610. The lower ends of the two second push-pull plates 610 are both movably connected with L-shaped rods 65. The lower ends of the two L-shaped rods 65 are both fixedly connected to the upper end of an annular mounting block 64. A plurality of heating rods 62 are arranged at the lower end of the annular mounting block 64. Two limiting blocks 63 are fixedly connected to both the left and right sides of the annular mounting block 64. The four limiting blocks 63 are respectively movably connected to four T-shaped limiting rods 61 through limiting holes formed in their interiors. The upper ends of the four T-shaped limiting rods 61 are both fixedly connected to the upper surface inside the heating tank 3. Both the left and right sides of the rotating shaft 67 are movably connected with support plates 68. The upper ends of the two support plates 68 are both fixedly connected to the upper surface inside the heating tank 3. During the process of driving the solution inside the heating tank 3 to shake, the rotation of the rotating shaft 67 can be driven under the action of the provided hollow worm 54 and worm gear 66 through the rotation of the rotating rod 53. Through the rotation of the rotating shaft 67, the annular mounting block 64 can be driven to perform a reciprocating motion in the up and down directions under the mutual cooperation of the provided first push-pull plate 69, second push-pull plate 610 and L-shaped rod 65. Furthermore, a plurality of heating rods 62 can be driven to perform a reciprocating motion in the up and down directions inside the heating tank 3, thereby facilitating the heating treatment of different positions inside the heating tank 3 and further improving the heating efficiency of the device. The mutual cooperation between the provided T-shaped limiting rods 61 and limiting blocks 63 can play a role in restricting the moving direction of the annular mounting block 64.

[0025] The operation steps of the present utility model are as follows:

[0026] When using this device to heat-treat the solution for preparing 4-hydroxy-3-nitrobenzyl alcohol, first place it inside the heating tank 3, and then start the heating sheet 4, the motor 9, and the heating rod 62. Under the action of the set heating sheet 4 and heating rod 62, the solution inside the heating tank 3 can be heated. During this process, the rotation of the output shaft of the motor 9 can drive the rotating rod 53 to rotate. Through the rotation of the rotating rod 53 and the mutual cooperation among the set several stirring rods 52 and the two L-shaped stirring rods 51, the solution inside the heating tank 3 can be driven to shake, so as to ensure the uniformity of the solution during heating and can improve the heating efficiency of the solution to a certain extent. During the process of driving the rotating rod 53 to rotate, under the action of the set hollow worm 54 and the worm gear 66, the rotating shaft 67 can be driven to rotate. Through the rotation of the rotating shaft 67 and the action of the set push-pull rod one 69, push-pull rod two 610, and L-shaped rod 65, the annular mounting block 64 can be driven to perform reciprocating motion in the up and down directions, and then several heating rods 62 can be driven to perform reciprocating motion in the up and down directions inside the heating tank 3, which is convenient for heating the solution at different positions inside the heating tank 3 and further improves the heating efficiency of this device.

[0027] In the description of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0028] In the present utility model, unless otherwise clearly specified and defined, for example, it can be fixedly connected, can also be detachably connected, or integrated; it can be mechanically connected, can also be electrically connected; it can be directly connected, or can be indirectly connected through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol, comprising a support bottom plate (1), characterized in that: Four support columns (11) are fixedly connected to the upper end of the support base plate (1), and the upper ends of the four support columns (11) are all fixedly connected to the lower end of the heating tank (3). A movable heating component (6) is fixedly connected to the upper surface inside the heating tank (3). The upper side of the movable heating component (6) is in meshing transmission with the upper side of the stirring component (5). The lower end of the stirring component (5) is movably connected to the inner bottom surface of the heating tank (3). The upper side of the stirring component (5) is movably connected to the heating tank (3) with a connection hole opened in its upper end and inner part. A first sprocket (7) is fixedly connected to the upper end of the stirring component (5). The first sprocket (7) is in transmission connection with a second sprocket (8) through a provided chain. The second sprocket (8) is fixedly connected to the output shaft of the motor (9).

2. The solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol according to claim 1, characterized in that: Two mounting plates (10) are fixedly connected to the motor (9), and the left ends of the two mounting plates (10) are both fixedly connected to the right end of the heating tank (3). A heating sheet (4) is arranged inside the heating tank (3), and a discharge pipe (2) is arranged at the lower end of the heating tank (3).

3. A solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol according to claim 1, characterized in that: The stirring component (5) includes a rotating rod (53). The upper side of the rotating rod (53) is movably connected to the heating tank (3) with a connection hole opened in its upper end and inner part. The upper end of the rotating rod (53) is fixedly connected to the first sprocket (7). A hollow worm (54) is fixedly connected to the upper side of the rotating rod (53). The hollow worm (54) is in meshing transmission with the upper side of the movable heating component (6).

4. A solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol according to claim 3, characterized in that: A number of stirring rods (52) are arranged on the rotating rod (53). L-shaped stirring rods (51) are fixedly connected to the left and right ends of the lower side of the rotating rod (53). The lower end of the rotating rod (53) is movably connected to the inner bottom surface of the heating tank (3).

5. A solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol according to claim 3, characterized in that: The movable heating component (6) includes a worm gear (66). The worm gear (66) is in meshing transmission with the hollow worm (54). The worm gear (66) is fixedly connected to a rotating shaft (67). Push-pull plates one (69) are fixedly connected to the left and right ends of the rotating shaft (67). The upper ends of the two push-pull plates one (69) are respectively movably connected to the upper ends of two push-pull plates two (610).

6. The solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol according to claim 5, characterized in that: L-shaped rods (65) are movably connected to the lower ends of the two push-pull plates two (610). The lower ends of the two L-shaped rods (65) are both fixedly connected to the upper end of an annular mounting block (64). A number of heating rods (62) are arranged at the lower end of the annular mounting block (64). Two limiting blocks (63) are fixedly connected to the left and right sides of the annular mounting block (64). The four limiting blocks (63) are respectively in movable connection with four T-shaped limiting rods (61) through limiting holes opened in their interiors.

7. A solution heating device for preparing 4-hydroxy-3-nitrobenzyl alcohol according to claim 6, characterized in that: The upper ends of the four T-shaped limiting rods (61) are all fixedly connected to the upper surface inside the heating tank (3). Support plates (68) are movably connected to the left and right sides of the rotating shaft (67). The upper ends of the two support plates (68) are both fixedly connected to the upper surface inside the heating tank (3).

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