CN219816241U

CN219816241U - Hydrolysis device for preparing xylose

Info

Publication number: CN219816241U
Application number: CN202321004009.0U
Authority: CN
Inventors: 陶玉杰; 肖敬成; 刘自轩; 李世昌
Original assignee: Nanle County Shengjiutangol Technology Co ltd
Current assignee: Nanle County Shengjiutangol Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-13
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to a hydrolysis device for preparing xylose, which belongs to the technical field of xylose preparation and comprises a hydrolysis pot, wherein a steam inlet pipe coaxial with the hydrolysis pot is arranged at the top of the hydrolysis pot, a connecting pipe is coaxially and rotatably connected with the lower end of the steam inlet pipe, the lower end of the connecting pipe extends to the bottom of an inner cavity of the hydrolysis pot, and at least two air outlet components capable of driving the connecting pipe to rotate while air is discharged are uniformly arranged at the lower end of the connecting pipe along a circumferential uniform spacing ring of the lower end of the connecting pipe. According to the utility model, due to the arrangement of the air outlet assembly, steam is discharged through the aeration plate, the aeration plate drives the connecting pipe to rotate under the reaction force of steam discharge, and meanwhile, the aeration plate also plays a role in stirring materials in circular motion, so that the materials are heated more uniformly.

Description

Hydrolysis device for preparing xylose

Technical Field

The utility model relates to the technical field of xylose preparation, in particular to a hydrolysis device for preparing xylose.

Background

In the hydrolysis process of preparing xylose from hemicellulose, the heating mode adopts a mode of directly heating raw material liquid by introducing steam into a hydrolysis pot. For example, a continuous hydrolysis apparatus for producing xylitol disclosed in chinese patent publication No. CN 211664977U; for example, the hydrolysis device for grain aldehyde preparation disclosed in chinese patent publication No. CN202570175U, in the two devices, the steam inlet pipeline in the hydrolysis pot has only one steam inlet, and when heating, local overhigh temperature is often caused, which not only results in uneven temperature distribution in the hydrolysis pot, but also easily causes excessive side reaction of hydrolysis due to local overhigh temperature, finally results in poor quality of hydrolysate, and affects xylose yield and quality.

To this end, we provide a hydrolysis device for the production of xylose.

Disclosure of Invention

The utility model aims to solve the problems and provide a hydrolysis device for preparing xylose.

The utility model realizes the above purpose through the following technical scheme:

the hydrolysis device for preparing xylose comprises a hydrolysis pot, wherein a steam inlet pipe coaxial with the hydrolysis pot is arranged at the top of the hydrolysis pot, a connecting pipe is coaxially and rotatably connected at the lower end of the steam inlet pipe, the lower end of the connecting pipe extends to the bottom of an inner cavity of the hydrolysis pot, and at least two air outlet assemblies capable of driving the connecting pipe to rotate while air is discharged are uniformly arranged at the lower end of the connecting pipe along the circumferential direction of the connecting pipe in a spacing ring;

the air outlet assembly comprises an aeration plate which is arranged up and down, and one side of the aeration plate, which is close to the connecting pipe, is correspondingly and fixedly connected and communicated with the connecting pipe; wherein, the aeration plates in all the air outlet components are arranged in a rotationally symmetrical way.

Preferably, the aeration surface of the aeration plate is obliquely upward.

Preferably, the bottom of the inner cavity of the hydrolysis pot is also provided with a ring pipe which is correspondingly communicated with the steam inlet pipe, the ring pipe is correspondingly positioned at the periphery of the air outlet component, and the top of the ring pipe body is uniformly provided with an air outlet structure.

Preferably, at least two connecting rods are uniformly arranged on the inner side tube body of the ring tube, and the inner ends of the connecting rods are correspondingly and fixedly connected with the connecting tubes.

Preferably, at least one of the connecting rods has an air passage therein for connecting the connecting tube to the grommet.

Preferably, the air outlet structure is a damping air outlet structure.

Preferably, the lower end of the connecting pipe is provided with a prismatic air outlet seat for installing an air outlet assembly.

Preferably, a discharging pipe is arranged at the bottom of the hydrolysis pot.

The beneficial effects are that:

1. due to the arrangement of the air outlet assembly, steam is discharged through the aeration plate, the aeration plate drives the connecting pipe to rotate under the reaction force of the steam discharge, and meanwhile, the aeration plate also plays a role in stirring materials in circular motion, so that the materials are heated more uniformly;

2. the steam distribution is more uniform due to the arrangement of the annular pipe, so that the heating is more uniform and stable, and the hydrolysis is facilitated to be performed stably.

Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the hydrolysis pot in the utility model;

FIG. 3 is a schematic view showing an assembled structure of a connection pipe, an aeration panel, and a grommet in the present utility model.

The reference numerals are explained as follows:

1. a hydrolysis pot; 2. a steam inlet pipe; 3. a connecting pipe; 31. a prismatic air outlet seat; 4. an aeration plate; 5. a grommet; 51. and (5) connecting a rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

1-3, a hydrolysis device for preparing xylose comprises a hydrolysis pot 1, wherein a steam inlet pipe 2 coaxial with the hydrolysis pot 1 is arranged at the top of the hydrolysis pot 1, and an air outlet structure is a damping air outlet structure according to requirements; specifically, the top of the hydrolysis pot 1 is provided with a pot cover, and a steam inlet pipe 2 is arranged on the pot cover; the lower end of the steam inlet pipe 2 is coaxially and rotatably connected with a connecting pipe 3, the lower end of the connecting pipe 3 extends to the bottom of the inner cavity of the hydrolysis pot 1, and at least two air outlet components which can drive the connecting pipe 3 to rotate while air outlet are arranged at the lower end of the connecting pipe 3 along the circumferential uniform spacing ring.

The setting can drive connecting pipe 3 rotation when giving vent to anger the subassembly of giving vent to anger like this, and then make the circular motion of the subassembly of giving vent to anger, and then make the position of the subassembly exhaust steam of giving vent to anger constantly change for temperature distribution is even in the hydrolysis pot 1, has solved the technical problem that causes local temperature too high when heating.

As shown in fig. 1-3, the air outlet assembly comprises an aeration plate 4 which is arranged up and down, and one side of the aeration plate 4, which is close to the connecting pipe 3, is correspondingly fixedly connected and communicated with the connecting pipe 3; wherein the aeration plates 4 in all the air outlet assemblies are arranged in a rotationally symmetrical manner.

The setting is discharged steam through aeration board 4 like this, and aeration board 4 drives connecting pipe 3 rotation under steam exhaust reaction force, and aeration board 4 still plays the function of stirring material at the circular motion simultaneously for the material is heated more evenly.

The aeration surface of the aeration plate 4 is inclined upward according to the need, so that the aeration plate 4 is also subjected to an upward force during the circular motion, and therefore, the connection pipe 3 can be prevented from being separated from the steam inlet pipe 2.

In the second embodiment, as shown in fig. 1-3, the bottom of the inner cavity of the hydrolysis pot 1 is further provided with a ring pipe 5 correspondingly communicated with the steam inlet pipe 2, the ring pipe 5 is correspondingly positioned at the periphery of the air outlet assembly, and the top of the pipe body of the ring pipe 5 is uniformly provided with an air outlet structure.

The arrangement ensures that the steam is distributed more uniformly, so that the heating is more uniform and stable, and the hydrolysis is facilitated to be carried out stably;

further, at least two connecting rods 51 are uniformly arranged on the inner side tube body of the ring tube 5, and the inner ends of the connecting rods 51 are correspondingly fixedly connected with the connecting tubes 3;

further, at least one connecting rod 51 has an air passage inside which the connecting tube 3 communicates with the grommet 5; that is, the connecting rod 51 has a tubular structure, one end of which is fixedly connected to and communicates with the connecting tube 3, and the other end of which is fixedly connected to and communicates with the grommet 5.

This arrangement allows the grommet 5 to be supplied with air by the connection tube 3, thereby making the structure more compact.

The air outlet structure is a damping air outlet structure according to the requirement; that is, the aeration panel 4 is easier to be discharged than the gas discharge structure;

specifically, the air outlet structure can be an air outlet, and an expansion ring is arranged on the inner wall of the air outlet.

Thus, when the temperature in the hydrolysis pot 1 reaches a certain value, the steam supply amount is reduced, the air pressure in the connecting pipe 3 is reduced, the air outlet amount of the ring pipe 5 is obviously reduced, and the air outlet amount of the aeration plate 4 is hardly reduced, so that the aeration plate 4 is in a circular motion state, namely in a material stirring state.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 1 to 3, a prismatic air outlet seat 31 for installing an air outlet component is arranged at the lower end part of the connecting pipe 3;

the prismatic outlet seat 31 may be of three, four or five prismatic configuration, as desired.

When the present embodiment is implemented on the basis of the second embodiment, as shown in fig. 1-3, the prismatic gas outlet seat 31 has a four, six or eight prismatic structure.

Specifically, taking the prismatic air outlet seat 31 as a hexagonal prism structure as an example, the first, third and fifth sides of the prismatic air outlet seat 31 are provided with air outlet components, and the second, fourth and sixth sides of the prismatic air outlet seat 31 are correspondingly connected with the connecting rod 51;

each connecting rod 51 has an air passage communicating the connecting tube 3 with the grommet 5, as required.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. The hydrolysis device for preparing xylose comprises a hydrolysis pot (1), and is characterized in that: the top of the hydrolysis pot (1) is provided with a steam inlet pipe (2) coaxial with the hydrolysis pot, the lower end of the steam inlet pipe (2) is coaxially and rotatably connected with a connecting pipe (3), the lower end of the connecting pipe (3) extends to the bottom of an inner cavity of the hydrolysis pot (1), and at least two air outlet components which can drive the connecting pipe (3) to rotate while air is discharged are uniformly arranged at intervals on the lower end of the connecting pipe (3) along the circumferential direction of the connecting pipe;

the air outlet assembly comprises an aeration plate (4) which is arranged up and down, and one side of the aeration plate (4) close to the connecting pipe (3) is correspondingly and fixedly connected and communicated with the connecting pipe (3); wherein the aeration plates (4) in all the air outlet assemblies are arranged in a rotationally symmetrical way.

2. The hydrolysis device for producing xylose according to claim 1, characterized in that: the aeration surface of the aeration plate (4) is obliquely upwards arranged.

3. The hydrolysis device for producing xylose according to claim 1, characterized in that: the bottom of the inner cavity of the hydrolysis pot (1) is also provided with a ring pipe (5) which is correspondingly communicated with the steam inlet pipe (2), the ring pipe (5) is correspondingly positioned at the periphery of the air outlet component, and the top of the pipe body of the ring pipe (5) is uniformly provided with an air outlet structure.

4. A hydrolysis apparatus for producing xylose according to claim 3, characterized in that: at least two connecting rods (51) are uniformly arranged on the inner side of the ring pipe (5), and the inner ends of the connecting rods (51) are correspondingly and fixedly connected with the connecting pipes (3).

5. The hydrolysis apparatus for xylose production according to claim 4, wherein: at least one connecting rod (51) is internally provided with an air passage which enables the connecting pipe (3) to be communicated with the annular pipe (5).

6. A hydrolysis apparatus for producing xylose according to claim 3, characterized in that: the air outlet structure is a damping air outlet structure.

7. The hydrolysis device for producing xylose according to claim 1, characterized in that: the lower end part of the connecting pipe (3) is provided with a prismatic air outlet seat (31) for installing an air outlet assembly.

8. The hydrolysis device for producing xylose according to claim 1, characterized in that: a blanking pipe is arranged at the bottom of the hydrolysis pot (1).