Glass-lined hydrolysis reactor for flame retardant production

Abstract

A glass-lined hydrolysis kettle for flame retardant production relates to the technical field of stirring devices, including a kettle body, a steam inlet pipe is rotatably provided at the lower end of the kettle body, the outlet end of the steam inlet pipe extends into the kettle body, and is connected to a plurality of steam distribution pipes connected to its inner cavity, and a steam diversion assembly is also provided between adjacent steam distribution pipes, a feed pipe is rotatably provided in the kettle body, a distribution blade is connected to the lower end of the feed pipe, and a side guide blade for directing the material upward is fixed to the outer edge of the distribution blade. The utility model solves the problem that steam heating is usually used in the hydrolysis kettle in the traditional technology, but the steam heating will cause the reactor to vibrate strongly, and it is impossible to ensure that the steam is in uniform contact with the material for heating; and the existing hydrolysis kettle needs to be fed stably and continuously during processing, and is limited by the influence of the existing feeding structure, and it is impossible to ensure that the incoming material is in uniform contact with the material in the hydrolysis kettle, which reduces the reaction efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring devices, in particular to a glass-lined hydrolysis kettle for producing flame retardants. Background Art

[0002] The production of flame retardants is a science developed to meet the needs of social safety production and life, prevent fires, and protect people's lives and property. It is the application of flame retardant technology in real life and is widely used in the flame retardant processing of various decoration materials. Hydrolysis, water has the dual characteristics of decomposing and fusing materials. Hydrolysis is a decomposition technology. When the hydrolysis kettle is hydrolyzed, it is necessary to feed the material stably and continuously to ensure that the raw materials in the kettle can fully react. Therefore, it is necessary to use a hydrolysis kettle uniform feeding device to feed the hydrolysis kettle uniformly. The existing hydrolysis kettle feeding device usually leads to poor reaction uniformity in the hydrolysis kettle, affecting the use effect.

[0003] The prior art discloses a patent with a publication number of CN207823036U, which includes a kettle body, a bracket symmetrically arranged at the outer rim of the kettle body, and a heating plate is arranged under the bracket, an upper cover is installed on the upper end of the kettle body, and a frame is connected above the upper cover, a reducer is connected above the frame, and the output end of the reducer is connected to the stirring shaft located in the inner cavity of the kettle body, and stirring blades are evenly spaced at the bottom of the stirring shaft, a feeding port and an aldehyde steam pipe are respectively arranged at the left and right ends of the frame, a material outlet is arranged at the bottom end of the kettle body, and a steam inlet is arranged on the right side of the material outlet, the steam inlet end is connected to a steam pipe located on the right side of the kettle body, and an air pipe is connected in parallel to the steam pipe, and the steam pipe and the air pipe are respectively provided with a steam valve and an air valve. The utility model is novel in design and reasonable in structure, and is suitable for furfural production.

[0004] As the existing technologies including the above patents are used, their shortcomings are gradually exposed, mainly in the following aspects:

[0005] First, during the reaction of cyclohexanone, the stirring device needs to be cleaned or replaced regularly. The existing stirring device of the cyclohexanone reactor is mainly fixed on a rotating device, and the disassembly and assembly process is complicated when cleaning or replacing it.

[0006] First, steam is usually used for heating in the existing hydrolysis kettle. However, the steam heating will cause the reactor to vibrate strongly, and it is impossible to ensure that the steam is in uniform contact with the material for heating.

[0007] Second, when the existing hydrolysis kettle is processing, it is necessary to feed the materials stably and continuously. However, due to the influence of the existing feeding structure, it is impossible to ensure that the incoming materials are in uniform contact with the materials in the hydrolysis kettle, which reduces the reaction efficiency.

[0008] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0009] In view of the defects in the prior art, the utility model solves the problems that steam heating is usually used in the hydrolysis kettle in the traditional technology, but the steam heating will cause the reactor to vibrate strongly, and it cannot be guaranteed that the steam is in uniform contact with the material for heating; and the existing hydrolysis kettle needs to be fed stably and continuously during processing, but due to the influence of the existing feeding structure, it cannot be guaranteed that the incoming material is in uniform contact with the material in the hydrolysis kettle, thereby reducing the reaction efficiency.

[0010] In order to solve the above problems, the utility model provides the following technical solutions:

[0011] A glass-lined hydrolysis kettle for flame retardant production comprises a kettle body, wherein a steam inlet pipe is rotatably arranged at the lower end of the kettle body, wherein the outlet end of the steam inlet pipe extends into the kettle body and is connected with a plurality of steam distribution pipes communicating with the inner cavity thereof, and a steam diversion assembly is also arranged between adjacent steam distribution pipes.

[0012] A feed pipe is rotatably arranged in the kettle body, a distribution blade is connected to the lower end of the feed pipe, and a side guide blade for directing the material upward is fixedly connected to the outer edge of the distribution blade.

[0013] A central guide vane is fixedly connected from top to bottom on the peripheral wall of the feed pipe to guide the material to flow downward.

[0014] As an optimized solution, the steam diversion assembly includes a distribution plate fixedly connected to the upper end of the steam inlet pipe, and a plurality of diversion plates are arranged around the lower surface of the distribution plate. Each of the steam distribution pipes is distributed in the area between adjacent diversion plates.

[0015] As an optimized solution, the distribution blade is provided with an inner cavity, and a plurality of material distribution holes communicating with the inner cavity are evenly distributed on the lower end of the distribution blade.

[0016] As an optimized solution, the central guide vane is arranged inclined to the horizontal plane.

[0017] As an optimized solution, auxiliary guide holes are provided on the central guide vane.

[0018] As an optimized solution, the vertically adjacent central guide blades are arranged in a staggered manner in a top view direction.

[0019] As an optimized solution, the side guide vanes are arranged in an arc shape.

[0020] As an optimized solution, the lower end of the steam inlet pipe extends to the bottom of the kettle body and is rotatably inserted with a steam connecting cylinder.

[0021] As an optimized solution, a lower gear ring is fixedly connected to the outer wall of the steam inlet pipe, a lower reducer is fixedly connected to the lower end of the kettle body, and a lower gear meshing with the lower gear ring is fixedly connected to the output shaft of the lower reducer.

[0022] As an optimized solution, the upper end of the feed pipe extends to the top of the kettle body and is rotatably inserted with a material inlet pipe.

[0023] As an optimized solution, an upper gear ring is fixedly connected to the outer wall of the feed pipe, an upper reducer is fixedly connected to the upper end of the kettle body, and an upper gear meshing with the upper gear ring is fixedly connected to the output shaft of the upper reducer.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] The high-temperature steam is connected through the steam connection tube to supply the steam from the bottom of the kettle body. During the steam rising process, it can evenly contact with the material to achieve heating;

[0026] The steam inlet pipe is surrounded by several steam distribution pipes to realize the diversion and dispersion of steam, which overcomes the vibration phenomenon caused by setting a large steam channel in the traditional technology and improves the stability of the device;

[0027] The steam distribution assembly is driven to rotate by the lower reducer, and the steam separated from the steam distribution pipe is dispersed by the distribution plate, which can further increase the contact area between steam and materials and improve the heating efficiency;

[0028] By setting up a feed pipe, the material to be added can be introduced, and the distribution blades at the bottom can evenly disperse the material into the kettle, thereby increasing the uniformity of contact with the original material in the kettle.

[0029] The upper driving machine drives the feed pipe to rotate, and the feed pipe uses the central guide vane and the side guide vane to stir the material to improve the mixing uniformity of the material;

[0030] The central guide vane guides the material downward during rotation, achieving convection with the rising steam, further increasing the contact time and area between the steam and the material, and improving the reaction efficiency.

[0031] The material is directed upward by the side guide vanes, and the material is circulated and mixed in the kettle by the central guide vanes and the side guide vanes, thereby improving the reaction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0033] Figure 1 It is a structural schematic diagram of the utility model.

[0034] In the figure: 1- kettle body; 2- steam inlet pipe; 3- steam distribution pipe; 4- distribution plate; 5- splitter plate; 6- lower reducer; 7- steam connecting tube; 8- feed pipe; 9- distribution blade; 10- material distribution hole; 11- side guide blade; 12- center guide blade; 13- auxiliary guide hole; 14- material inlet pipe; 15- upper reducer. DETAILED DESCRIPTION

[0035] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0036] like Figure 1 As shown, the glass-lined hydrolysis kettle for flame retardant production comprises a kettle body 1, a steam inlet pipe 2 is rotatably provided at the lower end of the kettle body 1, the outlet end of the steam inlet pipe 2 extends into the kettle body 1, and is connected to a plurality of steam distribution pipes 3 connected to the inner cavity thereof, and a steam diversion assembly is further provided between adjacent steam distribution pipes 3.

[0037] A feed pipe 8 is rotatably provided in the kettle body 1, and a distribution blade 9 is connected to the lower end of the feed pipe 8. The outer edge of the distribution blade 9 is fixedly connected to a side guide blade 11 for directing the material upward.

[0038] A central guide vane 12 for directing the material downward is fixedly connected from top to bottom to the peripheral wall of the feed pipe 8 .

[0039] The kettle body 1 is a glass-lined kettle body.

[0040] The steam distribution assembly includes a distribution plate 4 fixed to the upper end of the steam inlet pipe 2 . A plurality of distribution plates 5 are arranged around the lower surface of the distribution plate 4 . Each steam distribution pipe 3 is distributed in the area between adjacent distribution plates 5 .

[0041] The distribution blade 9 is provided with an inner cavity, and a plurality of material distribution holes 10 communicating with the inner cavity are evenly distributed at the lower end of the distribution blade 9 .

[0042] The central guide vane 12 is arranged to be inclined relative to the horizontal plane.

[0043] An auxiliary guide hole 13 is formed on the central guide blade 12 .

[0044] The vertically adjacent central guide blades 12 are arranged in a staggered manner in a top view direction.

[0045] The side guide vanes 11 are arranged in an arc shape.

[0046] The lower end of the steam inlet pipe 2 extends to the bottom of the kettle body 1 and is rotatably inserted with a steam connecting cylinder 7.

[0047] A lower gear ring is fixedly connected to the outer wall of the steam inlet pipe 2, a lower reducer 6 is fixedly connected to the lower end of the kettle body 1, and a lower gear meshing with the lower gear ring is fixedly connected to the output shaft of the lower reducer 6.

[0048] The upper end of the feed pipe 8 extends to the top of the kettle body 1 and is rotatably inserted with a material inlet pipe 14 .

[0049] An upper gear ring is fixedly connected to the outer wall of the feed pipe 8, an upper reducer 15 is fixedly connected to the upper end of the kettle body 1, and an upper gear meshing with the upper gear ring is fixedly connected to the output shaft of the upper reducer 15.

[0050] The other valve pipe structures involved in the kettle body 1 are the same as those in the prior art, and are not shown in the figure because they do not belong to the innovation of this solution.

[0051] The working principle of this device is:

[0052] The high-temperature steam is connected through the steam connection tube 7 to supply the steam from the bottom of the kettle body 1, so that the steam can evenly contact the material during its rising process to achieve heating;

[0053] A plurality of steam distribution pipes 3 are arranged around the steam inlet pipe 2 to realize the diversion and dispersion of the steam, thereby overcoming the vibration phenomenon caused by setting a large steam channel in the traditional technology and improving the stability of the device;

[0054] The steam diversion assembly is driven to rotate by the lower reducer 6, and the diversion plate 5 is used to disperse the steam separated by the steam distribution pipe 3, which can further increase the contact area between the steam and the material and improve the heating efficiency;

[0055] By setting the feed pipe 8, the material to be added is introduced, and the distribution blades 9 at the bottom are used to evenly disperse the material into the kettle body 1, thereby increasing the uniformity of contact with the original material in the kettle body 1;

[0056] The upper driving machine drives the feed pipe 8 to rotate, and the feed pipe 8 uses the central guide vane 12 and the side guide vane 11 to stir the material to improve the mixing uniformity of the material;

[0057] The central guide blade 12 guides the material downward during rotation, thereby achieving convection with the rising steam, further increasing the contact time and area between the steam and the material, and improving the reaction efficiency.

[0058] The material is directed upward by the side guide vanes 11 , so that the material is circulated and mixed in the kettle body 1 by the central guide vanes 12 and the side guide vanes 11 , thereby improving the reaction efficiency.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. Glass-lined hydrolysis kettle for flame retardant production, characterized by: The invention comprises a kettle body (1), wherein a steam inlet pipe (2) is rotatably provided at the lower end of the kettle body (1), the outlet end of the steam inlet pipe (2) extends into the kettle body (1) and is connected to a plurality of steam distribution pipes (3) which are in communication with the inner cavity thereof, and a steam diversion assembly is further provided between adjacent steam distribution pipes (3). A feed pipe (8) is rotatably provided in the kettle body (1), the lower end of the feed pipe (8) is connected to a distribution blade (9), and the outer edge of the distribution blade (9) is fixedly connected to a side guide blade (11) for directing the material to flow upward. A central guide vane (12) for directing the material downward is fixedly connected from top to bottom to the peripheral wall of the feed pipe (8).

2. The glass-lined hydrolysis kettle for flame retardant production according to claim 1, characterized in that: The steam distribution assembly comprises a distribution plate (4) fixedly connected to the upper end of the steam inlet pipe (2), and a plurality of distribution plates (5) are arranged around the lower surface of the distribution plate (4), and each of the steam distribution pipes (3) is distributed in the area between adjacent distribution plates (5).

3. The glass-lined hydrolysis kettle for flame retardant production according to claim 2, characterized in that: The distribution blade (9) is provided with an inner cavity, and a plurality of material distribution holes (10) which are in communication with the inner cavity are evenly distributed at the lower end of the distribution blade (9).

4. The glass-lined hydrolysis kettle for flame retardant production according to claim 3, characterized in that: The central guide blade (12) is arranged obliquely to the horizontal plane.

5. The glass-lined hydrolysis kettle for flame retardant production according to claim 4, characterized in that: The central guide blade (12) is provided with an auxiliary guide hole (13).

6. The glass-lined hydrolysis kettle for flame retardant production according to claim 5, characterized in that: The central guide blades (12) adjacent to each other in the vertical direction are arranged in a staggered manner in a top-down direction.

7. The glass-lined hydrolysis kettle for flame retardant production according to claim 6, characterized in that: The side guide blades (11) are arranged in an arc shape.

8. The glass-lined hydrolysis kettle for flame retardant production according to claim 7, characterized in that: The lower end of the steam inlet pipe (2) extends to the bottom of the kettle body (1) and is rotatably inserted with a steam connecting cylinder (7).

9. The glass-lined hydrolysis kettle for flame retardant production according to claim 8, characterized in that: A lower gear ring is fixedly connected to the outer wall of the steam inlet pipe (2), a lower reducer (6) is fixedly connected to the lower end of the kettle body (1), and an output shaft of the lower reducer (6) is fixedly connected to a lower gear meshing with the lower gear ring.

10. The glass-lined hydrolysis kettle for flame retardant production according to claim 9, characterized in that: The upper end of the feed pipe (8) extends to the top of the kettle body (1) and is rotatably inserted with a material inlet pipe (14); an upper gear ring is fixedly connected to the outer wall of the feed pipe (8); an upper reducer (15) is fixedly connected to the upper end of the kettle body (1); and an upper gear meshing with the upper gear ring is fixedly connected to the output shaft of the upper reducer (15).

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