Steam heater for molecular sieve regeneration

By using a double serpentine steam pipe and a flow-restricting inner plate structure in the steam heater, combined with a drive motor to rotate the fan blades, the problem of low heat exchange efficiency in the steam heater is solved, achieving efficient heat transfer and utilization.

CN223761048UActive Publication Date: 2026-01-06KAIFENG KAIXING AIR SEPARATION PLANT CO LTD
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Patent Information

Application Number
CN202423185908.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-01-06
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing steam heaters have low heat exchange efficiency and cannot fully utilize the heat of steam.

Method used

It adopts a double serpentine steam pipe and a multi-set flow-blocking inner plate structure, combined with a drive motor to rotate the fan blades, which increases the contact area and residence time of gas in the chamber, promotes gas flow, and avoids accumulation and uneven heating.

Benefits of technology

It significantly improves the heating efficiency of the steam heater and the utilization rate of steam heat, achieving efficient heat transfer.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a steam heater for molecular sieve regeneration, and relates to the technical field of steam heaters. The steam heater for molecular sieve regeneration comprises a sealing box, two sets of box body side plates are installed on the outer side of the sealing box, a double-snake-shaped steam pipe is installed in the sealing box, and a plurality of sets of flow blocking inner plates are fixedly connected into the sealing box; the outer sides of the two groups of box body side plates are fixedly connected with arc-shaped flow guide pipes; motor bases are installed at the tops of the two flow blocking inner plates, driving motors are installed in the motor bases, driving rotating shafts are installed at the top ends of output shafts of the driving motors, and multiple sets of fan blade discs are installed on the outer sides of the driving rotating shafts. According to the device, the contact area with gas in the box body is greatly increased through the S-shaped structure of the double-S-shaped steam pipe, the retention time of the gas in the box body is greatly prolonged through the arrangement of the multiple sets of flow blocking inner plates, and therefore the heating efficiency of the device is greatly improved, and the utilization rate of steam heat is increased.
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Description

Technical Field

[0001] This application relates to the field of steam heater technology, and more particularly to a steam heater for molecular sieve regeneration. Background Technology

[0002] The steam heater uses steel-aluminum composite finned tubes as the main heat exchanger element. Steam heaters are widely used in air separation equipment, petrochemical, food processing, and metallurgical industries. They primarily utilize the heat released by steam to heat the required process gases.

[0003] However, existing steam heaters have low heat exchange efficiency and cannot fully utilize the heat emitted by steam, thus wasting the heat of steam. Utility Model Content

[0004] This application provides a steam heater for molecular sieve regeneration to solve the problem of low heat exchange efficiency.

[0005] This application provides a steam heater for molecular sieve regeneration, including a sealed box. Two sets of side panels are installed on the outer side of the sealed box, symmetrically distributed. An inlet pipe is connected through one side of one set of side panels, and an outlet pipe is connected through one side of the other set. A double-serpentine steam pipe is installed inside the sealed box. Multiple sets of flow-blocking inner plates are fixedly connected inside the sealed box, staggered within the box. Both sets of side panels are fixedly connected to... The arc-shaped guide pipe has side plate through slots on the outer sides of both sets of box side plates, and one side of each set of flow-blocking inner plates is fixedly connected to a flow-blocking side plate; a motor base is installed on the top of each set of flow-blocking inner plates, a drive motor is installed inside the motor base, a drive shaft is installed at the top of the output shaft of the drive motor, multiple sets of fan blade disks are installed on the outer side of the drive shaft, the multiple sets of fan blade disks are linearly distributed on the outer side of the drive shaft, and multiple sets of fan blades are installed on the outer side of the fan blade disks, the multiple sets of fan blades are annularly distributed on the outer side of the fan blade disks.

[0006] Preferably, the sealed box has two sets of support seats installed inside, and the two sets of support seats are symmetrically distributed inside the sealed box.

[0007] Preferably, the interior of the double serpentine steam pipe has a serpentine flow guide cavity.

[0008] Preferably, the outer wall of the double serpentine steam pipe is equipped with multiple sets of heat exchange fins, and the multiple sets of heat exchange fins are linearly distributed on the outer wall of the double serpentine steam pipe.

[0009] Preferably, multiple sets of flow-blocking inner plates form multiple sets of flow-guiding grooves between the inner wall of the sealing box, and the multiple sets of flow-guiding grooves are staggered inside the sealing box.

[0010] Preferably, the top of the drive motor is threaded with two sets of mounting bolts, and the two sets of mounting bolts are symmetrically distributed on the top of the drive motor.

[0011] Preferably, a structural bearing is mounted on the outer side of the drive shaft.

[0012] Beneficial effects:

[0013] To address these issues, the serpentine structure of the double-serpentine steam pipes significantly increases the contact area with the gas inside the chamber, while also increasing the residence time of the steam within the chamber. The multiple sets of flow-blocking inner plates further enhance the residence time of the gas to be heated within the chamber. Furthermore, the drive motor rotates the fan blades on the drive shaft, thereby improving the flow efficiency of the gas to be heated within the chamber and preventing gas accumulation and uneven heating. This significantly improves the heating efficiency of the device and increases the utilization rate of steam heat.

[0014] The above description is merely an overview of the technical solutions of the embodiments of this application. In order to better understand the technical means of the embodiments of this application and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the embodiments of this application more obvious and understandable, specific implementation methods of this application are described below. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of a steam heater for molecular sieve regeneration according to this utility model.

[0017] Figure 2 This is an exploded structural diagram of a steam heater for molecular sieve regeneration according to the present invention.

[0018] Figure 3 This is a schematic diagram of the internal structure of a steam heater for molecular sieve regeneration according to this utility model.

[0019] Figure 4 This is a schematic diagram of the heat exchange component structure of a steam heater for molecular sieve regeneration according to this utility model.

[0020] Figure 5 This is a schematic diagram of the flow guiding component structure of a steam heater for molecular sieve regeneration according to this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Sealed box; 2. Box side panel; 3. Air inlet pipe; 4. Air outlet pipe; 5. Support base; 6. Double serpentine steam pipe; 7. Serpentine flow guide cavity; 8. Heat exchange fins; 9. Flow-blocking inner plate; 10. Flow guide groove; 11. Arc-shaped flow guide pipe; 12. Side plate through groove; 13. Flow-blocking side plate; 14. Motor base; 15. Drive motor; 16. Assembly bolts; 17. Drive shaft; 18. Fan blade disk; 19. Blower fan blade; 20. Structural bearing. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims and drawings of this application are intended to cover non-exclusive inclusion.

[0025] The term "embodiment" as used herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of the phrase "embodiment" in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0026] The directional terms appearing in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of this application. For example, in the description of this application, terms such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0027] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, "connection" or "joining" in mechanical structures can refer to a physical connection, such as a fixed connection, for example, a connection fixed by fasteners, such as a connection fixed by screws, bolts, or other fasteners; a physical connection can also be a detachable connection, such as a snap-fit ​​or interlocking connection; a physical connection can also be an integral connection, such as a connection formed by welding, bonding, or integral molding. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0028] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

[0029] This utility model provides, for example Figure 1-5The steam heater for molecular sieve regeneration shown includes a sealed box 1. Two sets of side plates 2 are installed on the outside of the sealed box 1, symmetrically distributed. An inlet pipe 3 is connected through one side of one set of side plates 2, and an outlet pipe 4 is connected through one side of the other set. A double-serpentine steam pipe 6 is installed inside the sealed box 1. Multiple sets of flow-blocking inner plates 9 are fixedly connected inside the sealed box 1, arranged in an alternating pattern. Arc-shaped guide pipes 11 are fixedly connected to the outside of both sets of side plates 2. Side plate slots 12 are provided on the outer side of the side plate 2 of the housing. One side of each set of flow-blocking inner plates 9 is fixedly connected to a flow-blocking side plate 13. A motor base 14 is installed on the top of each set of flow-blocking inner plates 9. A drive motor 15 is installed inside the motor base 14. A drive shaft 17 is installed at the top of the output shaft of the drive motor 15. Multiple sets of fan blades 18 are installed on the outer side of the drive shaft 17. The multiple sets of fan blades 18 are linearly distributed on the outer side of the drive shaft 17. Multiple sets of fan blades 19 are installed on the outer side of the fan blades 18. The multiple sets of fan blades 19 are annularly distributed on the outer side of the fan blades 18.

[0030] The device consists of a sealed box 1 and two sets of side plates 2. The gas to be heated is injected through the inlet pipe 3, and the heated gas is discharged through the outlet pipe 4. The double serpentine steam pipe 6 serves as a steam guide pipe; its serpentine structure significantly increases the contact area with the gas inside the box and also increases the residence time of the steam within the box. The multiple sets of flow-blocking inner plates 9 further increase the residence time of the gas to be heated within the box, thereby greatly improving the heat exchange effect of the heater. The arc-shaped guide pipe 11 is a blower unit. This unit receives air through the side plate slot 12, and the flow is blocked by the flow-blocking side plate 13 in conjunction with the multiple sets of flow-blocking inner plates 9. The drive motor 15 drives the fan blades 19 on the drive shaft 17 to rotate, thereby blowing air and improving the flow efficiency of the gas to be heated within the box, preventing gas accumulation and uneven heating.

[0031] The sealed box 1 has two sets of support seats 5 installed inside, and the two sets of support seats 5 are symmetrically distributed inside the sealed box 1.

[0032] Among them, the use of two sets of support seats 5 provides support for the double serpentine steam pipe 6, ensuring its stability during use.

[0033] The interior of the double serpentine steam pipe 6 is provided with a serpentine guide cavity 7.

[0034] The opening of the serpentine flow guide cavity 7 connects the double serpentine steam pipes 6, which greatly increases the residence time of steam in the box, thereby improving the heat exchange time and heat exchange efficiency of the steam.

[0035] Multiple sets of heat exchange fins 8 are installed on the outer wall of the double serpentine steam pipe 6, and the multiple sets of heat exchange fins 8 are linearly distributed on the outer wall of the double serpentine steam pipe 6.

[0036] The use of multiple sets of heat exchange fins 8 greatly increases the contact range between the double serpentine steam pipe 6 and the gas inside the box, thereby further improving the heat exchange effect of the steam.

[0037] Multiple sets of flow-blocking inner plates 9 form multiple sets of flow-guiding grooves 10 between the inner wall of the sealing box 1 and the multiple sets of flow-guiding grooves 10 are staggered inside the sealing box 1.

[0038] The formation of multiple sets of flow channels 10 divides the space inside the box, thereby creating intersecting channels within the box, which prolongs the residence time of the gas inside the box and further improves the heat exchange efficiency.

[0039] The top of the drive motor 15 is threaded with two sets of mounting bolts 16, which are symmetrically distributed on the top of the drive motor 15.

[0040] Two sets of mounting bolts 16 can be threaded into the threaded holes on the motor base 14 to install the drive motor 15, making it easy for users to install and disassemble it.

[0041] A structural bearing 20 is mounted on the outer side of the drive shaft 17.

[0042] The structural bearing 20 provides support for the drive shaft 17, ensuring its stability during rotation, and the multiple sets of balls inside the bearing can effectively improve the rotational response efficiency of the shaft.

[0043] Working principle: The user injects steam and the gas to be heated into the chamber through the double serpentine steam pipe 6 and the air inlet pipe 3. There are two sets of drive motors 15 channels. The multiple sets of flow-blocking inner plates 9 in the chamber greatly increase the residence time of the gas to be heated in the chamber. The serpentine structure of the double serpentine steam pipe 6 greatly increases the contact area with the gas in the chamber. At the same time, it can increase the residence time of steam in the chamber. The gas to be heated moves upward through the guide groove 10 formed by the multiple sets of flow-blocking inner plates 9 and the inner wall of the sealed chamber 1. During the movement, the heat of the steam exchanges with the gas in the chamber through the double serpentine steam pipe 6 and the heat exchange fins 8. After heat exchange, it is discharged from the air outlet pipe 4, thereby realizing the heating function of the heater.

[0044] When the drive motor 15 is started, it will rotate the fan blades 19 on the fan blade disk 18 on the drive shaft 17, thereby blowing air and improving the flow efficiency of the gas to be heated in the box, avoiding the accumulation of gas in the box and uneven heating, thus realizing the high-efficiency heating function of the steam heater for molecular sieve regeneration.

[0045] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A steam heater for regeneration of a molecular sieve, comprising a sealed tank (1), characterised in that: The outer side of the sealing box (1) is provided with two groups of box side plates (2), which are symmetrically distributed on the outer side of the sealing box (1), one side of one group of the box side plates (2) is connected with an air inlet pipe (3), one side of the other group of the box side plates (2) is connected with an air outlet pipe (4), the inside of the sealing box (1) is provided with double serpentine steam pipes (6), and the inside of the sealing box (1) is fixedly connected with a plurality of flow resistance inner plates (9) which are staggered distributed in the inside of the sealing box (1). The outer side of the two groups of box side plates (2) is fixedly connected with arc-shaped flow guide pipes (11), and the outer side of the two groups of box side plates (2) is provided with side plate through grooves (12), and one side of the plurality of flow resistance inner plates (9) is fixedly connected with flow resistance side plates (13). The top of the two groups of flow resistance inner plates (9) is provided with a motor seat (14), the inside of the motor seat (14) is provided with a driving motor (15), the output shaft top end of the driving motor (15) is provided with a driving shaft (17), the outer side of the driving shaft (17) is provided with a plurality of fan blades (18), the plurality of fan blades (18) are linearly distributed on the outer side of the driving shaft (17), and the outer side of the fan blades (18) is provided with a plurality of blowing fan blades (19), and the plurality of blowing fan blades (19) are annularly distributed on the outer side of the fan blades (18).

2. A steam heater for regenerating a molecular sieve according to claim 1, characterized in that: The inside of the sealing box (1) is provided with two groups of supporting seats (5), and the two groups of supporting seats (5) are symmetrically distributed in the inside of the sealing box (1).

3. A steam heater for regenerating a molecular sieve according to claim 1, characterized in that: The inside of the double serpentine steam pipe (6) is provided with a serpentine flow guide cavity (7).

4. A steam heater for regenerating a molecular sieve according to claim 1, characterized in that: The outer wall of the double serpentine steam pipe (6) is provided with a plurality of heat exchange fins (8), and the plurality of heat exchange fins (8) are linearly distributed on the outer wall of the double serpentine steam pipe (6).

5. A steam heater for regenerating a molecular sieve according to claim 1, characterized in that: A plurality of flow guide grooves (10) are formed between the plurality of flow resistance inner plates (9) and the inner wall of the sealing box (1), and the plurality of flow guide grooves (10) are staggered distributed in the inside of the sealing box (1).

6. A steam heater for regenerating a molecular sieve according to claim 1, characterized in that: The top of the driving motor (15) is threadedly connected with two groups of assembly bolts (16), and the two groups of assembly bolts (16) are symmetrically distributed on the top of the driving motor (15).

7. A steam heater for regenerating a molecular sieve according to claim 1, characterized in that: The outer side of the driving shaft (17) is provided with a structure bearing (20).