A multi-stage concentration tube heat exchanger

Abstract

This utility model relates to the field of hot water heat exchange technology, specifically to a multi-stage concentration tubular heat exchanger. A primary heat exchanger and a secondary heat exchanger are arranged at the upper end of a secondary support, with a material buffer chamber between them. A front heat exchange chamber is located at the front end of the primary heat exchanger, and a rear heat exchange chamber is located at the rear end of the secondary heat exchanger. Both the primary and secondary heat exchangers contain a first heat exchange tube, a second heat exchange tube, a third heat exchange tube, and a main pipe. The first heat exchange tube is located around a first partition layer, the second heat exchange tube is located between the first and second partition layers, and the third heat exchange tube is located between the second and third partition layers. This utility model features multi-stage independent temperature control, improving the adaptability range for material viscosity; a dynamic self-cleaning design extends the maintenance cycle; and a variable diameter tube structure improves evaporation efficiency.

Description

Technical Field

[0001] This utility model relates to the field of hot water heat exchange technology, specifically to a multi-stage concentration tubular heat exchanger. Background Technology

[0002] Traditional tubular heat exchangers have the following problems when processing high-viscosity, easily crystallizing materials: low single-stage heat exchange efficiency and limited material concentration ratio; easy scaling and clogging inside the tubes, making cleaning and maintenance difficult; and inaccurate temperature gradient control, affecting product quality. Utility Model Content

[0003] To achieve the above objectives, this utility model provides the following technical solution:

[0004] A multi-stage concentration tubular heat exchanger includes a secondary support and a main support, which are connected by bolts. A primary heat exchanger and a secondary heat exchanger are arranged at the upper end of the secondary support, and a material buffer chamber is arranged between the primary and secondary heat exchangers. A front heat exchange chamber is arranged at the front end of the primary heat exchanger, and a rear heat exchange chamber is arranged at the rear end of the secondary heat exchanger. A first heat exchange tube, a second heat exchange tube, a third heat exchange tube, and a main pipe are arranged inside the primary and secondary heat exchangers. The first heat exchange tube is arranged around the first partition layer, the second heat exchange tube is arranged between the first and second partition layers, and the third heat exchange tube is arranged between the second and third partition layers.

[0005] Preferably, the front heat exchange chamber is fixedly connected to the first-stage heat exchanger, and the rear heat exchanger is fixedly connected to the second-stage heat exchanger. Both the front and rear heat exchange chambers are equipped with heat medium circulation devices, and the rear heat exchange chamber is equipped with a vacuum concentration device.

[0006] Preferably, both the front heat exchange chamber and the rear heat exchange chamber are internally connected to the main pipe, the first heat exchange tube, the second heat exchange tube, and the third heat exchange tube.

[0007] Preferably, the material buffer chamber is bolted to the primary heat exchanger and the secondary heat exchanger, and the material buffer chamber is internally connected to the main pipeline, the first heat exchange tube, the second heat exchange tube, and the third heat exchange tube.

[0008] Compared with the prior art, the present invention has the following beneficial effects:

[0009] 1. Multi-stage independent temperature control improves the adaptability range of material viscosity.

[0010] 2. Dynamic self-cleaning design extends maintenance intervals.

[0011] 3. The variable diameter tube structure improves evaporation efficiency.

[0012] 4. Applicable to the production of high value-added products in the food, pharmaceutical, and chemical industries. Attached Figure Description

[0013] Figure 1 This is a perspective view of the present utility model;

[0014] Figure 2 This is the front view of the present invention;

[0015] Figure 3 This is the front view of the internal structure of this utility model.

[0016] Figure reference numerals: 1. Primary heat exchanger; 101. First partition layer; 102. Second partition layer; 103. Third partition layer; 2. Material buffer chamber; 3. Secondary heat exchanger; 4. Rear heat exchange chamber; 5. Secondary support; 6. Main support; 7. Front heat exchange chamber; 8. First heat exchange tube; 9. Second heat exchange tube; 10. Third heat exchange tube; 11. Main pipeline. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figure 1-3 As shown, a multi-stage concentration tubular heat exchanger includes a secondary support 5 and a main support 6, which are connected by bolts. A primary heat exchanger 1 and a secondary heat exchanger 3 are arranged at the upper end of the secondary support 5. A material buffer chamber 2 is arranged between the primary heat exchanger 1 and the secondary heat exchanger 3. A front heat exchange chamber 7 is arranged at the front end of the primary heat exchanger 1, and a rear heat exchange chamber 4 is arranged at the rear end of the secondary heat exchanger 3. A first heat exchange tube 8, a second heat exchange tube 9, a third heat exchange tube 10, and a main pipe 11 are arranged inside the primary heat exchanger 1 and the secondary heat exchanger 3. The first heat exchange tube 8 is arranged around the first partition layer 101, the second heat exchange tube 9 is arranged between the first partition layer 101 and the second partition layer 102, and the third heat exchange tube 10 is arranged between the second partition layer 102 and the third partition layer 103.

[0019] The front heat exchange chamber 7 is fixedly connected to the first-stage heat exchanger 1, and the rear heat exchanger 4 is fixedly connected to the second-stage heat exchanger 3. Both the front heat exchange chamber 7 and the rear heat exchange chamber 4 are equipped with heat medium circulation devices, and the rear heat exchange chamber 4 is equipped with a vacuum concentration device. Both the front heat exchange chamber 7 and the rear heat exchange chamber 4 are internally connected to the main pipeline 11, the first heat exchange tube 8, the second heat exchange tube 9, and the third heat exchange tube 10.

[0020] Independent temperature control is provided in both the primary heat exchanger 1 and the secondary heat exchanger 3. A drive rod can be installed in the material buffer chamber 2, and a spiral scraper can be installed in the three-layer heat exchange tubes. The spiral scraper is used to clean the deposits in the pipes. During operation, an inlet pipe is set at the front end of the front heat exchange chamber 7. After the water passes through the front heat exchange chamber 7, it is divided into the first heat exchange tube 8, the second heat exchange tube 9, the third heat exchange tube 10, and the main pipe 11. Then the water flows through the material buffer chamber 2, then through the secondary heat exchanger 3, and then through the rear heat exchange chamber 4 before being discharged from the outlet pipe. Multiple heat exchangers can be connected to the rear end of the secondary heat exchanger 3, depending on the application.

[0021] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-stage concentration tubular heat exchanger, comprising a secondary support (5) and a main support (6), wherein the secondary support (5) and the main support (6) are connected by bolts, characterized in that: A primary heat exchanger (1) and a secondary heat exchanger (3) are provided at the upper end of the secondary support (5). A material buffer chamber (2) is provided between the primary heat exchanger (1) and the secondary heat exchanger (3). A front heat exchange chamber (7) is provided at the front end of the primary heat exchanger (1), and a rear heat exchange chamber (4) is provided at the rear end of the secondary heat exchanger (3). A first heat exchange tube (8), a second heat exchange tube (9), a third heat exchange tube (10), and a main pipe (11) are provided inside the primary heat exchanger (1) and the secondary heat exchanger (3). The first heat exchange tube (8) is located outside the first partition layer (101), the second heat exchange tube (9) is located between the first partition layer (101) and the second partition layer (102), and the third heat exchange tube (10) is located between the second partition layer (102) and the third partition layer (103).

2. The multi-stage concentration tubular heat exchanger according to claim 1, characterized in that: The front heat exchange chamber (7) is fixedly connected to the first-stage heat exchanger (1), and the rear heat exchange chamber (4) is fixedly connected to the second-stage heat exchanger (3). Both the front heat exchange chamber (7) and the rear heat exchange chamber (4) are equipped with heat medium circulation devices, and the rear heat exchange chamber (4) is equipped with a vacuum concentration device.

3. The multi-stage concentration tubular heat exchanger according to claim 1, characterized in that: Both the front heat exchange chamber (7) and the rear heat exchange chamber (4) are internally connected to the main pipe (11), the first heat exchange tube (8), the second heat exchange tube (9), and the third heat exchange tube (10).

4. A multi-stage concentration tubular heat exchanger according to claim 1, characterized in that: The material buffer chamber (2) is bolted to the primary heat exchanger (1) and the secondary heat exchanger (3), and the material buffer chamber (2) is internally connected to the main pipeline (11), the first heat exchange tube (8), the second heat exchange tube (9), and the third heat exchange tube (10).

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