CN215003050U - Anti-corrosion heat exchanger - Google Patents

Abstract

The utility model discloses an anticorrosive heat exchanger, including the casing, set up in spiral coil in the casing with stretch into spiral coil central zone's combustion head, spiral coil's week side with it has the interval to reserve between the casing, spiral coil axial direction's both ends with be provided with insulating layer between the casing. Adopt above-mentioned structure to set up the utility model discloses, be provided with insulating layer between spiral coil's both ends and casing, spiral coil can not the direct contact casing, consequently can effectively avoid appearing the potential difference corrosion in the course of the work, and then ensure life. In addition, heat loss can be reduced, and heat exchange efficiency can be improved.

Description

Anti-corrosion heat exchanger

Technical Field

The utility model relates to a heat exchanger, in particular to anticorrosive heat exchanger.

Background

The heat exchanger that hanging stove used, major structure constitution includes casing, combustor and spiral coil, and spiral coil is coiled by a pipeline spiral and is made, and spiral coil installs in the casing for let in heat transfer medium, combustor are located spiral coil intermediate position. When the spiral coil pipe heat exchanger works, the combustor ignites and burns, and the heat exchange medium in the spiral coil pipe is heated and heated, so that the purpose of heat exchange is achieved. Analysis shows that because the axial both ends position of spiral coil in traditional heat exchanger directly laminate the lateral wall of casing, along with operating time's extension and the operating mode influence of igniteing repeatedly, the potential difference can appear between spiral coil and the casing and corrode, shortens heat exchanger's life, also can cause calorific loss simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an anticorrosive heat exchanger can solve the problem of heat exchanger potential difference corrosion.

According to the utility model discloses anti-corrosion heat exchanger, including the casing, set up in helical coil in the casing with stretch into helical coil central zone's combustion head, helical coil's week side with it has the interval to reserve between the casing, helical coil axial direction's both ends with be provided with insulating layer between the casing.

According to the utility model discloses an embodiment has following technological effect at least:

adopt above-mentioned structure to set up the utility model discloses, be provided with insulating layer between spiral coil's both ends and casing, spiral coil can not the direct contact casing, consequently can effectively avoid appearing the potential difference corrosion in the course of the work, and then ensure life. In addition, heat loss can be reduced, and heat exchange efficiency can be improved.

According to some embodiments of the invention, the insulating layer is a ring structure adapted to a contour of the axial end of the helical coil.

According to the utility model discloses a some embodiments, insulating layer is formed by the concatenation of a plurality of segmental arcs part along the circular arc direction.

According to some embodiments of the present invention, the insulating layer includes a first semicircular ring portion and a second semicircular ring portion, and the ends of the first semicircular ring portion and the second semicircular ring portion are overlapped or aligned.

According to some embodiments of the utility model, the insulating layer subsides are located on the spiral coil pipe.

According to some embodiments of the invention, the spiral coil's axial level sets up, the bottom of casing is provided with the outlet.

According to the utility model discloses a some embodiments, spiral coil's week side is provided with the location strip, the location strip is followed spiral coil's axial is provided with a plurality of cardboards, the cardboard is pegged graft in spiral coil is because of coiling the gap of two adjacent pipelines that form.

According to the utility model discloses a some embodiments, spiral coil's week side evenly is provided with a plurality ofly the location strip.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a cross-sectional view of a structure of the present invention;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

fig. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural diagram of the middle positioning strip of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

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", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an anti-corrosion heat exchanger, which includes a housing 100, a spiral coil 200 disposed in the housing 100 and a burner 400 extending into the central region of the spiral coil 200, wherein a space is reserved between the circumferential side of the spiral coil 200 and the housing 100, and an insulating layer 300 is disposed between the two ends of the spiral coil 200 in the axial direction and the housing 100.

Adopt above-mentioned structure to set up the utility model discloses, be provided with insulating layer 300 between spiral coil 200's both ends and casing 100, spiral coil 200 can not direct contact casing 100, consequently can effectively avoid appearing the potential difference corrosion in the course of the work, and then ensure life. In addition, heat loss can be reduced, and heat exchange efficiency can be improved.

In some embodiments of the present invention, insulating layer 300 is a circular ring structure that matches the profile of the axial end of spiral coil 200. With the circular ring structure, insulation between the spiral coil 200 and the housing 100 can be ensured.

Consider if directly cutting out annular structure on insulating and heat insulating material, then can produce too much waste material, in order to improve material utilization rate the utility model discloses an in some embodiments, insulating layer 300 is formed by the concatenation of a plurality of segmental arcs along the circular arc direction. Therefore, a plurality of arc sections can be correspondingly cut in the production process, and then the arc sections are spliced into a complete insulating layer 300, so that the structural arrangement of the embodiment is adopted, and the material utilization rate can be improved.

In some embodiments of the present invention, insulating layer 300 includes a first semicircular ring portion and a second semicircular ring portion, and ends of the first semicircular ring portion and the second semicircular ring portion are overlapped or aligned. In this embodiment, the insulating layer 300 is divided into two semicircular structures, which can improve the material utilization rate and ensure the installation efficiency of the insulating layer 300.

Since the combustion head 400 will burn during operation, the insulating layer 300 needs to be made of a non-combustible material, and the material is selected according to the related art, and is not limited herein.

In some embodiments of the present invention, the insulating layer 300 is attached to the spiral coil 200. By adopting the structure of the embodiment, the dislocation of the insulating layer 300 can be avoided, the insulating effect is ensured, and the potential difference corrosion preventing effect is further ensured. Especially, in the case where the end of the spiral coil 200 is not flat enough, the effect of attaching the insulating layer 300 to the spiral coil 200 is more prominent in this embodiment.

In some embodiments of the present invention, the spiral coil 200 is disposed axially horizontally, and the bottom of the housing 100 is provided with a water outlet. The arrangement of the water outlet can be used for discharging condensed water generated by the work of the spiral coil 200, thereby avoiding potential difference corrosion and prolonging the service life. And the spiral coil 200 is horizontally arranged, so that condensed water can be prevented from accumulating at the position of the insulating layer 300, and the anti-corrosion effect is further ensured.

In some embodiments of the present invention, the spiral coil 200 is disposed horizontally in the axial direction, the casing 100 includes a first casing 101 and a second casing 102, a smoke discharging chamber 103 communicating with the space where the spiral coil 200 is disposed is formed on the first casing 101 or the second casing 102, and the smoke discharging chamber 103 is provided with a smoke discharging port 105. Because the heat exchanger of traditional structure, its hole site structure that the flue gas was discharged sets up the position of splicing mutually at two halves casings, has the problem of flue gas leakage, and this embodiment is through shaping flue gas exhaust chamber 103 on first casing 101 or second casing 102, can prolong the time of passing of flue gas in casing 100 to improve heat exchange efficiency, and the flue gas exhaust chamber 103 that the shaping was made does not have the leak source, and is sealed effectual, can ensure the normal discharge of flue gas.

In some embodiments of the present invention, the flue gas discharging chamber 103 is provided with a cover plate 104, a first sealing ring is provided between the cover plate 104 and the flue gas discharging chamber 103, and the flue gas discharging port 105 is disposed on the cover plate 104. The structure setting of this embodiment both the shaping of flue gas exhaust chamber 103 of being convenient for, can effectively ensure the sealed of flue gas exhaust chamber 103 again, and the practicality is strong.

The utility model discloses a some embodiments, the week side of helical coil 200 is provided with location strip 500, and location strip 500 is provided with a plurality of cardboards 501 along helical coil 200's axial, and cardboard 501 is pegged graft in helical coil 200 because of coiling the gap of two adjacent pipelines that form. By adopting the structure arrangement in the embodiment, the gap between the pipelines of the spiral coil 200 can be ensured through the thickness of the clamping plate 501, so that the smoke can conveniently pass through for heat exchange, and the working efficiency of the heat exchanger is improved.

In some embodiments of the present invention, in order to provide the circumferential side of the spiral coil 200 with a plurality of positioning bars 500 uniformly, it is ensured that the gaps between the spiral coils 200 are uniform.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. An anti-corrosion heat exchanger, characterized by: including the casing, set up in helical coil in the casing with stretch into the combustion head in helical coil central zone, helical coil's week side with reserve between the casing has the interval, helical coil axial direction's both ends with be provided with insulating layer between the casing.

2. The corrosion-resistant heat exchanger of claim 1, wherein: the insulating and heat-insulating layer is of a circular ring structure matched with the contour of the axial end part of the spiral coil.

3. The corrosion-resistant heat exchanger of claim 2, wherein: the insulating and heat-insulating layer is formed by splicing a plurality of arc sections along the arc direction.

4. The corrosion-resistant heat exchanger of claim 3, wherein: the insulating layer includes first semicircle ring portion and second semicircle ring portion, the tip of first semicircle ring portion with the second semicircle ring portion overlaps or aligns.

5. The corrosion-resistant heat exchanger of claim 3, wherein: the insulating layer is attached to the spiral coil.

6. The corrosion-resistant heat exchanger of claim 3, wherein: the insulating layer is heat-insulating cotton.

7. The corrosion-resistant heat exchanger of claim 2, wherein: the spiral coil is axially and horizontally arranged, and a water outlet is formed in the bottom of the shell.

8. The corrosion-resistant heat exchanger of claim 1, wherein: the positioning strip is arranged on the peripheral side of the spiral coil, a plurality of clamping plates are arranged on the positioning strip along the axial direction of the spiral coil, and the clamping plates are inserted into the gaps of the two adjacent pipelines formed by coiling the spiral coil.

9. The corrosion-resistant heat exchanger of claim 8, wherein: the periphery of the spiral coil pipe is uniformly provided with a plurality of positioning strips.

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