CN220083784U - Improved spiral plate heat exchanger - Google Patents

Abstract

The utility model discloses an improved spiral plate heat exchanger, which comprises an inner core and a main pipe body, wherein the inner core is arranged in a spiral manner; the utility model discloses a honeycomb duct, including the inner core, be provided with the honeycomb duct in the inner core, the honeycomb duct is divided into core pipe and lateral wall pipe for two-layer at least, the feed liquor end of being responsible for the body communicates with the one end of core pipe, go out the liquid end with the lateral wall pipe is connected, and the core pipe with the water conservancy diversion hole has been seted up between the lateral wall pipe, wherein: the diversion hole is arranged near the liquid outlet end, and the liquid outlet end and the side wall pipe communicating part are arranged near the liquid inlet end. The utility model provides an improved generation spiral plate heat exchanger, the interval of each layer of inner core spiral layer is progressively increased by the axle center outside, by the liquid that the hot flow tube got into, when passing through the inner core axle center, the velocity of flow was accelerated, and the outside velocity of flow is slow to make the inner core axle center pile up fast owing to the acceleration of velocity of flow.

Description

Improved spiral plate heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to an improved spiral plate heat exchanger.

Background

A spiral plate heat exchanger is a device for transferring heat, which uses spiral plates arranged inside a cylindrical housing, through which hot and cold fluids flow along a spiral line inside the housing, achieving heat transfer. Advantages of spiral plate heat exchangers include high efficiency, compactness, reliability and ease of maintenance. It has good heat transfer performance and can bear the application of high temperature, high pressure and corrosive medium. In addition, due to the design of the spiral plate, the spiral plate heat exchanger can realize larger heat transfer area than other heat exchangers under the same shell size, so that the spiral plate heat exchanger is ideal equipment for heat transfer in many industrial processes.

Reference is made to publication (bulletin) No.: CN104930885a, publication (date): 2015-09-23, a spiral plate heat exchanger disclosed in the prior art is known, wherein the core of heat exchange of the spiral plate heat exchanger is that external hot water flows through an inner core formed by spiral arrangement, so that heat exchange is performed on the passing liquid of a main pipe body. The heat exchange effect is relatively general because the inner core is equidistantly wound.

Disclosure of Invention

The utility model aims to provide an improved spiral plate heat exchanger which is used for solving the difficult problem.

In order to achieve the above object, the present utility model provides the following technical solutions: an improved spiral plate heat exchanger comprises an inner core and a main pipe body which are arranged in a spiral manner;

the utility model discloses a honeycomb duct, including the inner core, be provided with the honeycomb duct in the inner core, the honeycomb duct is divided into core pipe and lateral wall pipe for two-layer at least, the feed liquor end of being responsible for the body communicates with the one end of core pipe, go out the liquid end with the lateral wall pipe is connected, and the core pipe with the water conservancy diversion hole has been seted up between the lateral wall pipe, wherein:

the diversion hole is arranged near the liquid outlet end, and the liquid outlet end and the side wall pipe communicating part are arranged near the liquid inlet end.

Preferably, the distance between each two layers of the inner core volute layer increases from being close to the flow guide pipe to being far away from the flow guide pipe.

Preferably, each of the inner core volute layers is provided with an overflow hole, and a plurality of overflow holes are oppositely arranged.

Preferably, the device further comprises a thermal flow pipe, wherein the water inlet of the thermal flow pipe is communicated with the innermost layer of the inner core, and the water outlet of the thermal flow pipe is communicated with the outermost layer of the inner core.

Preferably, the side wall of each inner core volute layer is provided with a guide plate arranged in a spiral mode.

Preferably, the guide plate is an aluminum alloy fin.

In the technical scheme, the improved spiral plate heat exchanger provided by the utility model has the following beneficial effects: the interval of each layer of the inner core spiral layer is gradually increased from the axis to the outside, the flow rate of liquid entering from the heat flow pipe is accelerated when the liquid passes through the axis of the inner core, and the flow rate of the liquid at the outside is slow, so that the temperature of the axis of the inner core is rapidly accumulated due to the acceleration of the flow rate.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of a structure provided in an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional structure provided in an embodiment of the present utility model.

Reference numerals illustrate:

1. an inner core; 12. a flow guiding pipe; 121. a core tube; 122. a sidewall tube; 2. a main pipe body; 3. an overflow hole; 4. a thermal flow tube; 5. a deflector member.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-2, an improved spiral plate heat exchanger comprises an inner core 1 and a main pipe body 2 which are arranged in a spiral manner. Detailed: as can be seen from fig. 1, a flow guide pipe 12 is disposed in the inner core 1, the flow guide pipe 12 is at least divided into two layers including a core pipe 121 and a side wall pipe 122, a liquid inlet end of the main pipe body 2 is communicated with one end of the core pipe 121, a liquid outlet end is connected with the side wall pipe 122, and a flow guide hole is formed between the core pipe 121 and the side wall pipe 122, wherein:

the deflector hole is disposed near the liquid outlet end, and the portion where the liquid outlet end communicates with the side wall pipe 122 is disposed near the liquid inlet end.

Further, the distance between each layer of the spiral layer of the inner core 1 increases from the side close to the flow guide pipe 12 to the side far from the flow guide pipe 12.

And each layer of the spiral layer of the inner core 1 is provided with an overflow hole 3, and a plurality of overflow holes 3 are oppositely arranged. In short, when the liquid introduced from the inlet of the heat flow pipe 4 passes through the innermost layer of the core 1 and then passes through the overflow hole 3, the liquid is continuously flowed toward the outermost layer of the core 1. The flow process is conducted by the guide plate pieces 5 (aluminum alloy fins) which are spirally arranged on the side wall of each spiral layer of the core 1, so that the liquid is contacted with the inner core 1 in the flow process.

In the above technology, the distance between each layer of the spiral layer of the inner core 1 increases from the axis to the outside, and the flow rate of the liquid entering from the heat flow pipe 4 is increased when the liquid passes through the axis of the inner core 1, and the flow rate of the liquid outside is slow, so that the temperature of the axis of the inner core 1 is rapidly accumulated due to the increase of the flow rate.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. An improved spiral plate heat exchanger characterized by comprising an inner core (1) and a main tube body (2) which are arranged in a spiral manner;

be provided with honeycomb duct (12) in inner core (1), honeycomb duct (12) divide into core pipe (121) and lateral wall pipe (122) for two-layer at least, the feed liquor end of being responsible for body (2) communicates with the one end of core pipe (121), go out the liquid end with lateral wall pipe (122) are connected, and core pipe (121) with set up the water conservancy diversion hole between lateral wall pipe (122), wherein:

the diversion hole is arranged near the liquid outlet end, and the communicating part of the liquid outlet end and the side wall pipe (122) is arranged near the liquid inlet end.

2. An improved spiral plate heat exchanger according to claim 1, wherein the pitch of each of the spiral layers of the inner core (1) increases from the side closer to the draft tube (12) to the side farther from the draft tube (12).

3. An improved spiral plate heat exchanger according to claim 1, wherein each of the spiral layers of the inner core (1) is provided with an overflow hole (3), and a plurality of the overflow holes (3) are arranged oppositely.

4. An improved spiral plate heat exchanger according to claim 1, further comprising a heat flow tube (4), wherein the water inlet of the heat flow tube (4) is in communication with the innermost layer of the inner core (1) and the water outlet is in communication with the outermost layer of the inner core (1).

5. An improved spiral plate heat exchanger according to claim 1, wherein the side walls of each of the spiral layers of the inner core (1) are provided with spiral arranged baffle members (5).

6. An improved spiral plate heat exchanger according to claim 5, wherein the deflector member (5) is an aluminum alloy fin.