Hydrolysis equipment for chemical intermediate production

Abstract

The utility model discloses hydrolysis equipment for chemical intermediate production. The hydrolysis equipment comprises a hydrolysis kettle body and a discharging unit, the upper end of the hydrolysis kettle body is provided with an upper cover through a bolt, the middle part of the upper cover is rotatably connected with a stirring shaft through a bearing, the lower end of the stirring shaft extends to the lower end in the hydrolysis kettle body and is provided with a stirring blade at the end, a discharge port at the lower end of the hydrolysis kettle body is provided with a liquid discharge pipe, and the middle part of the liquid discharge pipe is connected in series with a valve; a feeding hopper is arranged at a feeding hole in the upper end of the upper cover; the discharging unit comprises a containing barrel and water permeable holes, the containing barrel is arranged on the upper side wall of the upper cover, the water permeable holes which are evenly distributed are formed in the outer arc face of the containing barrel, and the lower end of the feeding hopper penetrates through the upper cover and communicates with the interior of the containing barrel. And then the aqueous solution and the chemical raw materials can be stirred, so that the hydrolysis quality and the hydrolysis efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical raw material production, in particular to hydrolysis equipment used for the production of chemical intermediates. Background Art

[0002] Chemical intermediates are intermediate products that use coal tar or petroleum products as chemical raw materials to manufacture dyes, pesticides, medicines, resins, additives, plasticizers, etc. In the process of producing chemical intermediates, chemical intermediate production hydrolysis equipment is generally required. Chemical intermediate production hydrolysis equipment is a hydrolysis device used for chemical raw materials and chemical products in chemical production. Hydrolysis is a chemical unit process, which is the process of using water to decompose substances to form new substances. The hydrolysis device can increase the reaction rate between chemical raw materials, chemical products and hydrolyzate. Existing chemical intermediate production hydrolysis equipment can generally use stirring to improve the hydrolysis efficiency, but during the stirring process, generally only the stirring blade is used to stir the solution, and the chemical raw materials cannot be placed and stirred separately. The chemical raw materials are easily precipitated to the bottom of the container and the contact effect with the hydrolyzate is poor, which affects the hydrolysis quality and hydrolysis efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a hydrolysis device for the production of chemical intermediates. During hydrolysis, the chemical raw materials can be stored in the middle of the aqueous solution, and then the aqueous solution and the chemical raw materials can be stirred, thereby improving the hydrolysis quality and hydrolysis efficiency, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydrolysis device for producing chemical intermediates, comprising a hydrolysis kettle and a discharge unit;

[0005] Hydrolysis kettle body: an upper cover is installed on its upper end by bolts, a stirring shaft is rotatably connected to the middle of the upper cover by a bearing, a stirring blade is arranged at the lower end of the inner part of the hydrolysis kettle body, a discharge pipe is arranged at the discharge port at the lower end of the hydrolysis kettle body, a valve is connected in series in the middle of the discharge pipe, and a feed hopper is arranged at the feeding port at the upper end of the upper cover;

[0006] Discharging unit: It includes a holding barrel and water holes. The holding barrel is arranged on the upper side wall of the upper cover. The outer arc surface of the holding barrel is provided with evenly distributed water holes. The lower end of the feed hopper penetrates the upper cover and is connected with the interior of the holding barrel. During hydrolysis, the chemical raw materials can be stored in the middle of the aqueous solution, and then the aqueous solution and the chemical raw materials can be stirred, which can ensure that the chemical raw materials are fully contacted with the aqueous solution for hydrolysis, thereby improving the hydrolysis quality and efficiency.

[0007] Furthermore, the discharge unit also includes a filter cloth layer, which is arranged on the inner arc surface of the containing barrel to limit the outflow of the chemical raw materials.

[0008] Furthermore, the discharge unit also includes a central shaft and a spiral blade. The central shaft is rotatably connected between the upper cover and the bottom wall of the containing barrel through a bearing. The outer arc surface of the central shaft is provided with a spiral blade, which can stir the internal aqueous solution and chemical raw materials.

[0009] Furthermore, a small gear is provided at the upper end of the central shaft, and a large gear is provided at the upper end of the stirring shaft. The small gear is meshed and connected with the large gear to facilitate the control of the rotation of the central shaft.

[0010] Furthermore, a supporting shell is provided at the upper end of the upper cover, and the small gear and the large gear are both located inside the supporting shell. A motor is provided on the upper surface of the supporting shell, and the output shaft of the motor extends to the inside of the supporting shell and is fixedly connected to the upper end of the stirring shaft. The input end of the motor is electrically connected to an external controller to facilitate driving the rotation of the stirring shaft.

[0011] Furthermore, a support seat is provided on the inner arc surface of the hydrolysis kettle body, and the lower end of the containing barrel is movably connected to the support seat, thereby providing support for the lower end of the containing barrel.

[0012] Furthermore, the outer arc surface of the stirring shaft is provided with evenly distributed rectangular pieces, and the middle of the rectangular piece is provided with evenly distributed strip holes to facilitate stirring of the aqueous solution in the middle.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the hydrolysis equipment for producing chemical intermediates has the following advantages:

[0014] The external controller is regulated to run the motor. The output shaft of the motor drives the stirring shaft to rotate counterclockwise. The stirring shaft drives the rectangular plates and stirring blades to stir the internal aqueous solution. The aqueous solution can pass through the water-permeable holes and the filter cloth layer in turn to contact the chemical raw materials. At the same time, the stirring shaft drives the small gear to rotate at high speed through the large gear. The small gear drives the spiral plate to rotate clockwise through the central shaft. Then, the spiral plate can quickly stir and lift the internal aqueous solution and chemical raw materials. During hydrolysis, the chemical raw materials can be stored in the middle of the aqueous solution, and then the aqueous solution and chemical raw materials can be stirred, which can ensure that the chemical raw materials are fully contacted with the aqueous solution for hydrolysis, thereby improving the hydrolysis quality and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the discharge unit of the utility model.

[0017] In the figure: 1 hydrolysis kettle body, 2 upper cover, 3 stirring shaft, 4 stirring blade, 5 discharge pipe, 6 valve, 7 feed hopper, 8 discharge unit, 81 holding bucket, 82 water permeable hole, 83 filter cloth layer, 84 central axis, 85 spiral sheet, 9 support seat, 10 small gear, 11 large gear, 12 support shell, 13 motor, 14 rectangular sheet, 15 strip hole. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-2 , This embodiment provides a technical solution: a hydrolysis device for producing chemical intermediates, comprising a hydrolysis kettle 1 and a discharge unit 8;

[0020] Hydrolysis kettle body 1: an upper cover 2 is installed on its upper end by bolts, and the aqueous solution required for hydrolysis is added to the interior of the hydrolysis kettle body 1 through the liquid inlet pipe of the upper cover 2. During hydrolysis, external steam is introduced into the circulation pipe inside the interlayer of the hydrolysis kettle body 1 to heat the internal material. A stirring shaft 3 is rotatably connected to the middle part of the upper cover 2 through a bearing, and the lower end of the stirring shaft 3 extends to the lower end of the interior of the hydrolysis kettle body 1 and is provided with a stirring blade 4 at the end. A discharge pipe 5 is provided at the discharge port at the lower end of the hydrolysis kettle body 1, and a valve 6 is connected in series in the middle part of the discharge pipe 5. A feeding hopper 7 is provided at the feeding port at the upper end of the upper cover 2. Evenly distributed rectangular sheets 14 are provided on the outer arc surface of the stirring shaft 3. The stirring shaft 3 drives the rectangular sheets 14 and the stirring blades 4 to stir the internal aqueous solution. Evenly distributed strip holes 15 are opened in the middle of the rectangular sheets 14 to reduce the resistance of the rectangular sheets 14 to rotate and facilitate the stirring of the aqueous solution.

[0021] The discharge unit 8 includes a storage barrel 81 and water holes 82. The storage barrel 81 is arranged on the upper side wall of the upper cover 2. The outer arc surface of the storage barrel 81 is provided with evenly distributed water holes 82. The lower end of the feed hopper 7 passes through the upper cover 2 and is connected to the interior of the storage barrel 81. The chemical raw materials are added to the interior of the storage barrel 81 through the feed hopper 7. The discharge unit 8 also includes a filter cloth layer 83. The filter cloth layer 83 is arranged on the inner arc surface of the storage barrel 81. The filter cloth layer 83 blocks the outflow of the chemical raw materials. The material unit 8 also includes a central shaft 84 and a spiral piece 85. The central shaft 84 is rotatably connected between the upper cover 2 and the bottom wall of the containing barrel 81 through a bearing. The spiral piece 85 is provided on the outer arc surface of the central shaft 84. A small gear 10 is provided on the upper end of the central shaft 84. A large gear 11 is provided on the upper end of the stirring shaft 3. The small gear 10 is meshed with the large gear 11. The aqueous solution can pass through the water permeable hole 82 and the filter cloth layer 83 in turn to contact with the chemical raw material. At the same time, the stirring shaft 3 drives the small gear 10 through the large gear 11. The gear 10 rotates at a high speed, and the pinion 10 drives the spiral piece 85 to rotate clockwise through the central shaft 84, so that the spiral piece 85 can quickly stir the internal aqueous solution and chemical raw materials and lift them at the same time, which can ensure that the chemical raw materials and the aqueous solution are fully contacted for hydrolysis. A support shell 12 is provided at the upper end of the upper cover 2, and the pinion 10 and the large gear 11 are both located inside the support shell 12. The support shell 12 provides protection for the internal components. A motor 13 is provided on the upper surface of the support shell 12, and the support shell 12 provides support for the motor 13. The output shaft of the motor 13 extends to the inside of the support shell 12 and is fixedly connected to the upper end of the stirring shaft 3. When the motor 13 runs, the output shaft of the motor 13 drives the stirring shaft 3 to rotate counterclockwise. The input end of the motor 13 is electrically connected to an external controller. A support seat 9 is provided on the inner arc surface of the hydrolysis kettle body 1, and the lower end of the holding barrel 81 is movably plugged into the support seat 9, and the support seat 9 provides support for the lower end of the holding barrel 81.

[0022] The working principle of the hydrolysis equipment for producing chemical intermediates provided by the utility model is as follows: when in use, the chemical raw materials are added into the interior of the holding barrel 81 through the feed hopper 7, the filter cloth layer 83 blocks the outflow of the chemical raw materials, and then the aqueous solution is added into the interior of the hydrolysis kettle body 1 through the liquid inlet pipe of the upper cover 2. During hydrolysis, external steam is introduced into the circulation pipe inside the interlayer of the hydrolysis kettle body 1 to heat the internal materials, and the external controller is regulated to operate the motor 13, and the output shaft of the motor 13 drives the stirring shaft 3 to rotate counterclockwise, and the stirring shaft 3 drives the rectangular sheet 1 4 and the stirring blade 4 stir the internal aqueous solution, and the aqueous solution can pass through the water permeable hole 82 and the filter cloth layer 83 in turn to contact the chemical raw materials. At the same time, the stirring shaft 3 drives the small gear 10 to rotate at a high speed through the large gear 11, and the small gear 10 drives the spiral piece 85 to rotate clockwise through the central shaft 84, so that the spiral piece 85 can quickly stir the internal aqueous solution and chemical raw materials and lift them at the same time, which can ensure that the chemical raw materials and the aqueous solution are fully contacted for hydrolysis. After the hydrolysis is completed, the valve 6 can be opened to discharge the material from the discharge pipe 5.

[0023] It is worth noting that the motor 13 disclosed in the above embodiments can be freely configured according to the actual application scenario. The motor 13 can use a gear reduction motor with model CV40-2.2KW-50S, and the external controller controls the operation of the motor 13 using methods commonly used in the prior art.

[0024] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A hydrolysis device for producing chemical intermediates, characterized in that: It comprises a hydrolysis kettle body (1) and a discharge unit (8); The hydrolysis kettle (1) has an upper cover (2) mounted on its upper end by bolts, the middle of the upper cover (2) is rotatably connected to a stirring shaft (3) by a bearing, the lower end of the stirring shaft (3) extends to the lower end of the hydrolysis kettle (1) and is provided with a stirring blade (4) at the end, a discharge pipe (5) is provided at the discharge port at the lower end of the hydrolysis kettle (1), a valve (6) is connected in series in the middle of the discharge pipe (5), and a feed hopper (7) is provided at the feeding port at the upper end of the upper cover (2); The material discharging unit (8) comprises a containing barrel (81) and water permeable holes (82). The containing barrel (81) is arranged on the upper side wall of the upper cover (2). The outer arc surface of the containing barrel (81) is provided with evenly distributed water permeable holes (82). The lower end of the feed hopper (7) passes through the upper cover (2) and is connected to the interior of the containing barrel (81).

2. A hydrolysis device for producing chemical intermediates according to claim 1, characterized in that: The material discharging unit (8) further comprises a filter cloth layer (83), and the filter cloth layer (83) is arranged on the inner arc surface of the containing barrel (81).

3. The hydrolysis equipment for producing chemical intermediates according to claim 1, characterized in that: The discharge unit (8) further comprises a central shaft (84) and a spiral blade (85); the central shaft (84) is rotatably connected between the upper cover (2) and the bottom wall of the containing barrel (81) via a bearing; and a spiral blade (85) is provided on the outer arc surface of the central shaft (84).

4. The hydrolysis equipment for producing chemical intermediates according to claim 3, characterized in that: A small gear (10) is provided at the upper end of the central shaft (84), and a large gear (11) is provided at the upper end of the stirring shaft (3), and the small gear (10) is meshingly connected with the large gear (11).

5. A hydrolysis device for producing chemical intermediates according to claim 4, characterized in that: A support shell (12) is provided at the upper end of the upper cover (2), the small gear (10) and the large gear (11) are both located inside the support shell (12), a motor (13) is provided on the upper surface of the support shell (12), an output shaft of the motor (13) extends into the interior of the support shell (12) and is fixedly connected to the upper end of the stirring shaft (3), and an input end of the motor (13) is electrically connected to an external controller.

6. The hydrolysis equipment for producing chemical intermediates according to claim 1, characterized in that: A support seat (9) is provided on the inner arc surface of the hydrolysis kettle body (1), and the lower end of the containing bucket (81) is movably plugged into the support seat (9).

7. The hydrolysis equipment for producing chemical intermediates according to claim 1, characterized in that: The outer arc surface of the stirring shaft (3) is provided with evenly distributed rectangular sheets (14), and the middle of the rectangular sheet (14) is provided with evenly distributed strip holes (15).

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