CN214371969U

CN214371969U - Spacing support piece and coil pipe heat exchanger thereof

Info

Publication number: CN214371969U
Application number: CN202022901932.7U
Authority: CN
Inventors: 卢宇聪; 庞国烽; 梁展程; 张锦梁; 梁友新
Original assignee: Guangdong Wanhe Thermal Energy Technology Co Ltd
Current assignee: Guangdong Wanhe Thermal Energy Technology Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-10-08
Anticipated expiration: 2030-12-04

Abstract

The utility model belongs to the technical field of coil pipe heat exchanger, more specifically relates to an interval support piece and coil pipe heat exchanger thereof. The spacing support piece comprises a connecting plate and inserting plates, one end of each inserting plate is connected with the connecting plate, and the inserting plates are arranged at intervals along the length direction of the connecting plate; the surfaces of the two sides of the inserting plate are provided with convex pressing ribs. The spacing support piece of the utility model is inserted into the gap of each circle of pipeline of the spiral heat exchange coil, and each circle of pipeline is supported by the plugboard, and the distance between the plugboard and the plugboard is the same as the distance between two adjacent circles of pipeline; the two sides of the inserting plate are provided with the raised pressing ribs, so that on one hand, the rigidity strength of the inserting plate is enhanced, and on the other hand, the formed gap of the coiled pipe after coiling can be ensured according to the depth of the pressing ribs; the utility model discloses simple structure, low in production cost.

Description

Spacing support piece and coil pipe heat exchanger thereof

Technical Field

The utility model belongs to the technical field of coil pipe heat exchanger, more specifically relates to an interval support piece and coil pipe heat exchanger thereof.

Background

The fully premixed condensing coil heat exchanger adopts a heat exchange tube form of spiral disc stack. Certain clearance is required to be guaranteed between the coils after the heat exchange coils are coiled and formed, so that the flue gas can smoothly pass through the pipe clearance to realize convective heat exchange. The coiling clearance of some coil pipes is controlled by arranging the convex hulls or the convex points on the coil pipes, so that the production and processing difficulty of the coil pipes is increased, and the coil pipes are not beneficial to high-efficiency production.

Chinese patent CN206831835U, published as 2018.01.02, discloses a full premix condensation stainless steel coil heat exchanger, and the heat exchanger has adopted flat coil, and the coil clearance of coil is controlled through the convex closure that coil itself set up for the production and processing degree of difficulty of coil is great, and manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome at least one defect among the above-mentioned prior art, provide an interval support piece and coil pipe heat exchanger thereof, simple structure, processing is convenient, low in production cost.

In order to solve the technical problem, the utility model discloses a technical scheme is: an interval support piece comprises a connecting plate and inserting plates, wherein one end of each inserting plate is connected with the connecting plate, and the inserting plates are arranged at intervals along the length direction of the connecting plate; at least one side surface of the inserting plate is provided with a convex pressing rib. The spacing support piece of the utility model is inserted into the gap between every two adjacent circles of pipelines of the spiral heat exchange coil, and every two adjacent circles of pipelines are supported by the plugboard, and the distance between the plugboard and the plugboard is the same as the distance between two adjacent circles of pipelines; the convex rib pressing is arranged on the surface of one side of the inserting plate, so that the rigidity strength of the inserting plate is enhanced, and the gap for shaping the coiled pipe after coiling can be ensured according to the depth of the rib pressing.

In one embodiment, the pressing rib is of a strip-shaped structure and is arranged along the length direction of the insertion plate. It should be noted that the structure of the rib can also be a raised point-like structure, and the rib is arranged in an array along the length direction of the inserting plate, so that the rib plays the same role as the strip-shaped rib; the beads may have any other shape as long as the above-described function is achieved.

In one embodiment, the ribbing is of a serpentine convex hull structure. Snakelike convex closure structure compares in bar-type structure, and the flue gas is flowed through the circuit of convex closure side and is longer, and the flue gas is detained more in the time of coil pipe, and the heat transfer is more abundant.

In one embodiment, one end of the serpentine convex hull structure is provided with a smoke inlet, and the other end of the serpentine convex hull structure is provided with a smoke outlet. The smoke inlet and the smoke outlet are respectively arranged at the two ends of the convex hull, smoke flows through the convex hull, the smoke is prevented from being blocked by the convex hull, the smoke can flow through the convex hull, and heat exchange is carried out between the inner wall of the convex hull and the heat exchange tube.

In one embodiment, the insertion plate is vertically connected with the connecting plate, and the insertion plates are arranged at equal intervals.

In one embodiment, the inserting plate is connected with the connecting plate through a torsion rib; the twisting rib is formed by twisting one end of the inserting plate for a certain angle. The inserting plate and the connecting plate are integrally formed, processes such as welding and the like are not needed, production and processing are convenient, and cost is low.

In one embodiment, the insertion plates are in a flat strip-shaped plate-shaped structure, and the insertion plates face to the same side and are arranged in parallel.

In one embodiment, the insert plate is made of stainless steel materials, and the thickness of the insert plate is 0.8 mm-1.0 mm.

The utility model also provides a coil heat exchanger, including spiral heat exchange coil, still include above interval support piece, the picture peg insert the clearance between the adjacent every circle pipeline of spiral heat exchange coil to make the adjacent every circle pipeline of spiral heat exchange coil keep the interval with fixed clearance. The interval support piece controls the coiling gap of the spiral heat exchange coil pipe in an externally inserted mode, so that the spiral heat exchange coil pipe does not need to be provided with a bump structure on the outer wall to control the gap, and compared with a mode of arranging bumps and convex hulls on the spiral heat exchange coil pipe, the processing difficulty of the spiral heat exchange coil pipe is reduced, and the production efficiency is favorably improved.

In one embodiment, the plurality of the spacing support members are arranged, and the plurality of the spacing support members are inserted on the spiral heat exchange coil at intervals; one side of the inserting plate provided with the pressing rib is contacted with the spiral heat exchange coil. A plurality of support pieces are evenly distributed along the circumference of the spiral heat exchange coil, and the inserting plate and the spiral heat exchange coil are slightly in interference fit, so that the supporting plate can be firmly clamped in the gap of the spiral heat exchange coil.

Compared with the prior art, the beneficial effects are: the utility model provides a spacing support piece and a coil heat exchanger thereof, which has simple structure, convenient processing and low production cost; the processing difficulty of the spiral heat exchange coil is reduced, and the production efficiency is improved. In addition, the serpentine structure is ribbed, and the heat exchange efficiency is further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the spacing support member of the present invention.

Figure 2 is a schematic side view of the spacer support of the present invention.

Fig. 3 is a schematic view of the rib pressing structure of the serpentine convex hull structure of the present invention.

Fig. 4 is a schematic structural diagram of the coil exchanger of the present invention.

Fig. 5 is a schematic view of a first view angle of the assembly of the spacing support member and the spiral heat exchange coil according to the present invention.

Fig. 6 is a second view schematically illustrating the assembly of the spiral heat exchange coil with the spacer support according to the present invention.

Fig. 7 is a schematic view of a part of the method of fig. 5 according to the present invention.

Fig. 8 is a partially enlarged schematic view of B in fig. 6 according to the present invention.

Reference numerals: 1. a spacer support; 11. a connecting plate; 12. inserting plates; 13. pressing ribs; 131. a serpentine convex hull structure; 132. a smoke inlet; 133. a smoke outlet; 14. twisting the ribs; 2. spiral heat exchange coil pipe

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.

As shown in fig. 1, fig. 2, and fig. 4, a spacer support includes a connection plate 11 and a plurality of insertion plates 12, one end of each insertion plate 12 is connected to the connection plate 11, and the plurality of insertion plates 12 are spaced apart along a length direction of the connection plate 11; at least one side surface of the inserting plate 12 is provided with a convex pressing rib 13 and is arranged on the same side surface of the inserting plate 12. The spacing support piece of the utility model is inserted into the gap between every two adjacent circles of pipelines of the spiral heat exchange coil 2, and every two adjacent circles of pipelines are supported by the plugboard 12, and the distance between the plugboard 12 and the plugboard 12 is the same as the distance between two adjacent circles of pipelines; at least one side of picture peg 12 sets up bellied ribbing 13, is favorable to strengthening the rigidity intensity of picture peg 12 on the one hand, and on the other hand can guarantee the clearance of stereotyping after the coil pipe coils according to the depth of ribbing 13.

In another embodiment, both side surfaces of the insert plate 12 are provided with raised beads 13.

In one embodiment, the beads 13 are of a strip-like configuration and are disposed along the length of the insert plate 12. It should be noted that the structure of the rib 13 may also be a raised dot structure, and the rib is arranged in an array along the length direction of the inserting plate 12, and has the same function as the bar-shaped rib 13; the beads 13 may have any other shape as long as the above-described function can be achieved.

In another embodiment, as shown in FIG. 3, the beads 13 have a serpentine convex hull structure 131. Snakelike convex closure structure 131 compares in bar structure, and the flue gas flows through the circuit of convex closure side longer, and the flue gas is detained more in the time of coil pipe, and the heat transfer is more abundant.

In some embodiments, as shown in fig. 3, the serpentine convex hull structure 131 has a smoke inlet 132 at one end and a smoke outlet 133 at the other end. The smoke inlet 132 and the smoke outlet 133 are respectively arranged at the two ends of the convex hull, smoke flows through the convex hull, the smoke is prevented from being blocked by the convex hull, the smoke can flow through the convex hull, and heat exchange is carried out between the inner wall of the convex hull and the heat exchange tube.

In one embodiment, as shown in fig. 2, the insertion plate 12 is vertically connected to the connection plate 11, and a plurality of insertion plates 12 are arranged at equal intervals.

In another embodiment, the insert plate 12 is connected with the connecting plate 11 through a torsion rib 14; the twisting rib 14 is formed by twisting one end of the inserting plate 12 by a certain angle. The inserting plate 12 and the connecting plate 11 are integrally formed, processes such as welding and the like are not needed, production and processing are convenient, and cost is low.

During production, firstly, a sheet metal die is made, and a stamping die of the spacing support piece 1 is made; then, manufacturing the interval support 1 with the flat plate structure, and stamping a metal plate by using a stamping die to obtain the interval support 1 with the flat plate structure; finally, twisting the inserting plate 12 by using a tool fixture, and twisting by a certain angle to obtain a finished product interval supporting piece 1; the inserting plate 12 and the connecting plate 11 are connected without welding and other modes, the production mode is simple, and the cost is low.

In one embodiment, the insertion plate 12 is a flat strip-shaped plate structure, and a plurality of insertion plates 12 face the same side and are arranged in parallel.

In another embodiment, the insert plate 12 is made of a stainless steel material, and the thickness of the insert plate 12 is 0.8mm to 1.0 mm.

In another embodiment, as shown in fig. 4 to 8, the present invention further provides a coil heat exchanger, which comprises a spiral heat exchanging coil 2 and the above spacing support 1, wherein the inserting plate 12 is inserted into the gap between each adjacent coil of the spiral heat exchanging coil 2, so that the gap between each adjacent coil of the spiral heat exchanging coil 2 is maintained by a fixed gap. Spacing support piece 1 controls spiral heat exchange coil 2's coiling clearance through the mode of extrapolation, makes spiral heat exchange coil 2 need not to set up the bump structure at the outer wall and controls the clearance, compares in the mode that sets up bump, convex closure on spiral heat exchange coil 2, has reduced spiral heat exchange coil 2's the processing degree of difficulty, is favorable to improving production efficiency.

In one embodiment, as shown in fig. 4, the spacing support 1 is provided with a plurality of spacing supports, and the plurality of spacing supports are inserted on the spiral heat exchange coil 2 at intervals; one side of the inserting plate 12 provided with the pressing rib 13 is contacted with the spiral heat exchange coil 2. A plurality of interval support piece 1 along spiral heat exchange coil 2's circumference evenly distributed, slight interference fit between picture peg 12 and spiral heat exchange coil 2 can be firm with interval support piece 1 card in spiral heat exchange coil 2's clearance.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A spacing support member is characterized by comprising a connecting plate (11) and inserting plates (12), wherein one ends of the inserting plates (12) are connected with the connecting plate (11), and the inserting plates (12) are arranged at intervals along the length direction of the connecting plate (11); at least one side surface of the inserting plate (12) is provided with a convex pressing rib (13).

2. A spacing support according to claim 1, wherein said beads (13) are of strip-like configuration and are disposed along the length of the insert plate (12).

3. Spacing support according to claim 2, characterized in that said ribbing (13) is of serpentine convex hull configuration (131).

4. Spacing support according to claim 3, characterized in that said serpentine-shaped convex hull structure (131) is provided with a smoke inlet (132) at one end and a smoke outlet (133) at the other end.

5. Spacing support according to claim 4, characterized in that said insert plate (12) is vertically connected to the connection plate (11), a plurality of insert plates (12) being arranged at equal intervals.

6. Spacing support according to claim 5, characterized in that said insert plate (12) is connected to the connecting plate (11) by torsion bars (14); the twisting rib (14) is formed by twisting one end of the inserting plate (12) for a certain angle.

7. Spacing support according to claim 6, characterized in that said insert plates (12) are of flat strip-like plate-like configuration, a plurality of insert plates (12) facing the same side and being arranged in parallel.

8. Spacing support according to any of claims 1 to 7, characterized in that said insert plate (12) is made of stainless steel material, the thickness of the insert plate (12) being 0.8mm to 1.0 mm.

9. A coiled heat exchanger comprising a spiral heat exchange coil (2) and further comprising the spacing support of any of claims 1 to 8, wherein said insert plate (12) is inserted into the gap between adjacent turns of the coiled heat exchange coil (2) to maintain the spacing between adjacent turns of the coiled heat exchange coil (2) at a constant gap.

10. The coil heat exchanger according to claim 9, wherein the plurality of the spacing support members (1) are provided, and the plurality of the spacing support members (1) are inserted on the spiral heat exchanging coil (2) at intervals; one side of the inserting plate (12) provided with the pressing rib (13) is contacted with the spiral heat exchange coil (2).