Efficient benzophenone pickling device

Abstract

The utility model discloses an efficient benzophenone pickling device which comprises a pickling tank, an annular pipe is installed at the top in a top cover of the pickling tank, a plurality of spray heads are evenly distributed on the lower surface of the annular pipe, a liquid inlet pipe communicated with the interior of the annular pipe penetrates through the top cover, a rotary drum is rotatably installed in the center of the top cover, and the interior of the rotary drum is hollow. A conical flow dividing table is hung at one end, extending into the pickling tank, of the rotary drum through a hanging rod, and the conical flow dividing table is used for dispersing the raw materials guided out from the bottom of the rotary drum. According to the pickling tank, the hollow rotary drum can guide materials into the pickling tank, the conical flow dividing table can be used for dispersing raw materials guided into the rotary drum, the raw materials can be dispersed all around conveniently, the contact area of the raw materials and pickling liquid sprayed out of the spray head is increased, and then the pickling efficiency is improved; and therefore, raw materials on the conical flow dividing table can be dispersed more easily under the action of centrifugal force.

Description

Technical Field

[0001] The utility model relates to the technical field of benzophenone production, in particular to a benzophenone high-efficiency pickling device. Background Art

[0002] Benzophenone is an important chemical raw material. Its main raw materials are benzene and benzoyl chloride, and it is catalytically synthesized with the aid of various catalysts. After the synthesis, it needs to be acid-washed, that is, acidic substances are added to wash and remove impurities. Then, by utilizing the characteristic that benzophenone is not miscible with acidic solutions, the impurities dissolved in the acidic solution are separated after standing and stratification.

[0003] The existing benzophenone pickling device is shown in the patent document with application number 202221085764.1, which discloses a benzophenone high-efficiency pickling device with high reaction efficiency, including: a reaction tank, a spray assembly is provided near the top of the inner cavity of the reaction tank, the spray assembly includes an annular tube, a connecting pipe, and a nozzle, the annular tubes are connected by a connecting pipe, the nozzle is arranged at the bottom of the annular tube, a feed port is provided at the top of the reaction tank, the feed port is connected to a feed pipe, the feed pipe passes through the spray assembly, and a blowing assembly is provided under the feed pipe, the blowing assembly includes an air outlet, an air inlet pipe, and an air inlet joint, and the air outlet is connected to the air inlet joint through the air inlet pipe.

[0004] Although the device can utilize the blowing component to achieve a certain effect of dispersing the raw materials, thereby improving the pickling efficiency, since the blowing component blows air upward, its air outlet is open to the spray component, which may easily cause some raw materials and pickling liquid to enter the blowing component during use, thereby clogging the blowing component and causing it to be unable to operate normally. Therefore, there is room for improvement on the technical level of how to improve the pickling efficiency of raw materials.

[0005] Therefore, we proposed a benzophenone high-efficiency pickling device to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a benzophenone efficient pickling device to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The invention discloses a benzophenone high-efficiency pickling device, comprising a pickling tank, wherein an annular tube is installed at the top of the top cover of the pickling tank, a plurality of nozzles are evenly distributed on the lower surface of the annular tube, and a liquid inlet pipe connected with the annular tube is penetrated through the top cover, a rotating drum is rotatably installed at the center of the top cover, the rotating drum is hollow inside and used for raw material feeding, and a conical diverter is suspended at one end of the rotating drum extending into the pickling tank through a suspension rod, the conical diverter is used for dispersing the raw materials derived from the bottom of the rotating drum, a plurality of connecting rods are evenly arranged at the lower edge of the conical diverter, and a stirring bar 1 is installed at the lower end of some connecting rods, and a stirring bar 2 is installed at the lower end of another part of connecting rods.

[0009] In a further embodiment, the number of connecting rods is set to six, wherein three connecting rods symmetrically formed at the vertices of an equilateral triangle are respectively connected to stirring bar one, and the extension lines of stirring bar one all pass through the center origin of the bottom plate of the pickling tank, and the other three connecting rods symmetrically formed at the vertices of an equilateral triangle are connected to the same stirring bar two, and stirring bar two adopts a "Y" type structure.

[0010] In a further embodiment, the stirring bar 1 and the stirring bar 2 are both tightly fitted to the bottom plate of the pickling tank, and the end of the stirring bar 1 away from the connecting rod is tightly fitted to the inner circumferential side wall of the pickling tank.

[0011] In a further embodiment, a plurality of tooth holes are provided on one side of the stirring bar 1 and the stirring bar 2 close to the bottom plate of the pickling tank, so that the stirring bar 1 and the stirring bar 2 have a sawtooth structure.

[0012] In a further embodiment, when the drum rotates, the sawtooth movement traces of the three stirring bars 1 are interlaced with each other, and the sawtooth movement traces of the three sides of the stirring bar 2 are interlaced with each other.

[0013] In a further embodiment, a conical gear ring is sleeved and fixed on the outer periphery of one end of the rotating drum extending out of the top cover, a conical gear is vertically meshed with the outer periphery of the conical gear ring, and the shaft of the conical gear is connected to the output shaft of the motor.

[0014] In a further embodiment, a trumpet-shaped feed hopper is connected to the top of one end of the rotating drum extending out of the top cover.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model utilizes the hollow rotating drum to not only guide the material into the pickling tank, but also utilizes the conical diverter to disperse the raw materials introduced by the rotating drum, so as to facilitate the scattering of the raw materials, thereby increasing the contact area with the pickling liquid sprayed from the nozzle, and further enhancing the pickling efficiency.

[0017] When the rotary drum of the utility model rotates, it can drive the conical flow distribution platform to rotate, so that the raw materials on the conical flow distribution platform can be dispersed more easily under the action of centrifugal force.

[0018] When the rotary drum of the utility model rotates, it can also drive the stirring bars 1 and 2 to mix and stir the raw materials and the pickling liquid at the bottom of the pickling tank, which is beneficial to further enhance the pickling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the pickling tank of the utility model when it is cut open and viewed from above;

[0021] Figure 3 The utility model is a schematic diagram of the interior three-dimensional structure of the pickling tank when it is cut open.

[0022] In the figure: 1. pickling tank; 2. top cover; 3. rotating drum; 4. hanging rod; 5. conical diverter; 6. connecting rod; 7. stirring bar 1; 8. stirring bar 2; 9. annular pipe; 10. nozzle; 11. liquid inlet pipe; 12. feed hopper; 13. conical gear ring; 14. conical gear; 15. motor. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood by specific circumstances.

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-3 The invention discloses a benzophenone high-efficiency pickling device, comprising a pickling tank 1, which has a cylindrical structure. A top cover 2 is installed on the upper port of the pickling tank 1 through bolts, so that the top cover 2 is easy to disassemble later, so as to facilitate the cleaning of the inside of the pickling tank 1 later. An annular tube 9 is installed on the top of the top cover 2, and a plurality of nozzles 10 are evenly distributed on the lower surface of the annular tube 9. A liquid inlet pipe 11 is passed through the top cover 2, and the bottom end of the liquid inlet pipe 11 is connected to the inside of the annular tube 9. The liquid inlet pipe 11 is used for externally connecting a pickling liquid supply device, thereby realizing the liquid supply to the inside of the pickling tank 1, so as to facilitate the nozzle 10 to spray the pickling liquid. A rotating drum 3 is rotatably installed at the center of the top cover 2, and the rotating drum 3 passes through the top cover 2, and the inside of the drum 3 is hollow for feeding raw materials, and one end of the drum 3 extending into the pickling tank 1 is hoisted with a conical diverter 5 through a hoist rod 4, so that after the raw materials led out from the lower end of the drum 3 fall on the conical diverter 5, the raw materials are scattered by relying on the conical shape of the conical diverter 5 to avoid the raw materials from piling up in one place after feeding, and when the drum 3 rotates while feeding, the raw materials on the surface of the conical diverter 5 can be further dispersed evenly under the action of centrifugal force, so as to facilitate more sufficient contact with the pickling liquid. In order to facilitate the discharge of the raw materials after pickling in the pickling tank 1, a discharge pipe is provided at the bottom of the pickling tank 1, and a valve is installed on the discharge pipe.

[0027] See also Figure 2-3 In order to further improve the mixing of the raw material and the pickling liquid, six connecting rods 6 are evenly arranged on the lower edge of the conical diverter 5. The connecting rods 6 are vertically downward and parallel to the rotating drum 3. The bottom ends of three connecting rods 6 that are symmetrical at the vertices of an equilateral triangle are respectively connected to stirring bars 7, and the extension lines of stirring bars 7 pass through the center origin of the bottom plate of the pickling tank 1, and the other three connecting rods that are symmetrical at the vertices of an equilateral triangle are connected to the same stirring bar 8, and the stirring bar 28 adopts a "Y"-shaped structure, and the angles between any two sides of the three sides of the stirring bar 28 are 120°. The stirring bar 1 7 and the stirring bar 2 8 are both perpendicular to the connecting rod 6, so that the rotating drum 3 can also drive the stirring bar 1 7 or the stirring bar 2 8 to rotate when rotating, thereby accelerating the mixing of the raw material and the pickling liquid, thereby improving the pickling efficiency.

[0028] See also Figure 2-3, considering that the raw materials are easy to sink to the bottom under the action of gravity after entering the pickling tank 1, in order to further improve the mixing effect, the stirring bar 1 7 and the stirring bar 2 8 are arranged to fit closely with the bottom plate of the pickling tank 1, so that when rotating, the raw materials deposited at the bottom of the pickling tank 1 can be stirred, and the end of the stirring bar 1 7 away from the connecting rod 6 is closely fitted with the inner circumferential side wall of the pickling tank 1, thereby avoiding the raw materials from being deposited at the angle between the bottom plate and the circumferential side plate of the pickling tank 1, thereby ensuring sufficient mixing, and at the same time, a plurality of tooth holes are provided on the side of the stirring bar 1 7 and the stirring bar 2 8 close to the bottom plate of the pickling tank 1, so that the stirring bar 1 7 and the stirring bar 2 8 have a serrated structure, so as to better turn over the raw materials, and when the rotating drum 3 rotates, the sawtooth movement traces of the three stirring bars 7 are intertwined with each other, and the sawtooth movement traces of the three sides of the stirring bar 2 8 are intertwined with each other, thereby ensuring that the raw materials on the bottom plate of the pickling tank 1 are fully turned over.

[0029] See also Figure 1-3 In order to facilitate the automatic rotation of the drum 3 and reduce the involvement of manpower, a conical gear ring 13 is fixed to the outer periphery of the drum 3 extending out of the top cover 2, and a conical gear 14 is vertically meshed with the outer periphery of the conical gear ring 13. A motor 15 is also fixed on the top cover 2. The output shaft of the motor 15 is coaxially connected with the shaft of the conical gear 14, thereby driving the conical gear 14 to rotate. The conical gear 14 meshes with the conical gear ring 13 for transmission, changes the rotation direction, and then drives the drum 3 to rotate electrically.

[0030] See also Figure 1-3 In order to facilitate the early feeding, a trumpet-shaped feed hopper 12 is connected to the top of one end of the rotating drum 3 extending outside the top cover 2, thereby increasing the feed inlet and facilitating the pouring of feed into the feed hopper 12.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A benzophenone high-efficiency pickling device, comprising a pickling tank (1), wherein a ring-shaped tube (9) is installed at the top of a top cover (2) of the pickling tank (1), a plurality of nozzles (10) are evenly distributed on the lower surface of the ring-shaped tube (9), and a liquid inlet pipe (11) is passed through the top cover (2) and communicated with the inside of the ring-shaped tube (9), characterized in that: A rotating drum (3) is rotatably mounted at the center of the top cover (2). The interior of the rotating drum (3) is hollow and is used for feeding raw materials. One end of the rotating drum (3) extending into the pickling tank (1) is suspended with a conical diverter (5) via a suspension rod (4). The conical diverter (5) is used to disperse the raw materials discharged from the bottom of the rotating drum (3). A plurality of connecting rods (6) are evenly arranged on the lower edge of the conical diverter (5). A stirring bar (7) is mounted at the lower end of some of the connecting rods (6), and a stirring bar (8) is mounted at the lower end of another portion of the connecting rods (6).

2. The benzophenone efficient pickling device according to claim 1, characterized in that: The number of the connecting rods (6) is set to six, wherein three connecting rods (6) symmetrically arranged at the vertices of an equilateral triangle are respectively connected to stirring bars (7), and the extension lines of stirring bars (7) all pass through the center origin of the bottom plate of the pickling tank (1); the other three connecting rods symmetrically arranged at the vertices of an equilateral triangle are connected to the same stirring bar (8), and stirring bar (8) adopts a "Y"-shaped structure.

3. The benzophenone efficient pickling device according to claim 1, characterized in that: The stirring bar 1 (7) and the stirring bar 2 (8) are both tightly fitted to the bottom plate of the pickling tank (1), and the end of the stirring bar 1 (7) away from the connecting rod (6) is tightly fitted to the inner circumferential side wall of the pickling tank (1).

4. The benzophenone efficient pickling device according to claim 3, characterized in that: A plurality of tooth holes are provided on one side of the stirring bar 1 (7) and the stirring bar 2 (8) close to the bottom plate of the pickling tank (1), so that the stirring bar 1 (7) and the stirring bar 2 (8) have a sawtooth structure.

5. The benzophenone efficient pickling device according to claim 4, characterized in that: When the rotating drum (3) rotates, the sawtooth movement traces of the three stirring bars (7) are interlaced with each other, and the sawtooth movement traces of the three sides of the stirring bar (8) are interlaced with each other.

6. The benzophenone efficient pickling device according to claim 1, characterized in that: A conical gear ring (13) is sleeved and fixed on the outer periphery of one end of the rotating drum (3) extending outside the top cover (2), a conical gear ring (13) is vertically meshed with a conical gear (14) on the outer periphery of the conical gear ring (13), and the shaft of the conical gear (14) is connected to the output shaft of the motor (15).

7. The benzophenone efficient pickling device according to claim 1, characterized in that: A trumpet-shaped feed hopper (12) is connected to the top of one end of the rotating drum (3) extending outside the top cover (2).

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