CN215003053U

CN215003053U - Heat exchanger

Info

Publication number: CN215003053U
Application number: CN202120685539.0U
Authority: CN
Inventors: 邓承杰; 谢威; 余培; 肖龙飞; 田太菊; 徐艳平
Original assignee: Zhongshan Nopu Thermal Energy Technology Co ltd
Current assignee: Zhongshan Nopu Thermal Energy Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-03
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a heat exchanger, which comprises a housin, combustion head and spiral coil, the casing is including first casing and the second casing that the concatenation is in the same place, the shaping has flue gas exhaust structure on first casing or the second casing, spiral coil sets up in the casing, and be provided with insulating layer between spiral coil axial direction's both ends and the casing, spiral coil's the regional first baffle that is provided with that encircles, first baffle is the first cavity and the second cavity that separate spiral coil's encircleing for along spiral coil's axial distribution, first cavity is located the one end that flue gas exhaust structure was kept away from to the second cavity, the combustion head is located first cavity. The utility model discloses can reduce calorific loss to the leakproofness is good, the risk of flue gas leakage can not appear, and spiral coil's both ends are provided with insulating layer simultaneously, can effectively avoid producing the potential difference and corrode or slow down the potential difference and corrode, increase of service life, and the practicality is strong.

Description

Heat exchanger

Technical Field

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

Background

The heat exchanger that hanging stove was used mainly includes casing, spiral coil and combustion head, and spiral coil is coiled by the pipe fitting spiral and is made, and the combustion head is located spiral coil's encircleing the region in, carries out the heat exchange with spiral coil when the combustion head burning, and the high temperature flue gas passes the exhaust port of gap follow casing between the pipe fitting of spiral coil self and discharges. The casing generally is formed by two half shell concatenations, and the exhaust port is formed by the concave position concatenation on two half shells, and this kind of structure setting can have flue gas leakage's hidden danger. And the flue gas directly passes through the self gap of the spiral coil pipe to be discharged, so that larger heat loss exists. Meanwhile, in the working process, two ends of the spiral coil in the axial direction are directly abutted to the shell, so that potential difference corrosion can be generated, and the service life is influenced.

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 a heat exchanger can solve the hidden danger of flue gas leakage to can reduce calorific loss, weaken or eliminate the potential difference and corrode.

According to the utility model discloses a heat exchanger, including casing, combustion head and spiral coil, the casing is including first casing and the second casing that splices together, first casing perhaps the shaping has flue gas exhaust structure on the second casing, spiral coil set up in the casing, just spiral coil axial direction's both ends with be provided with insulating layer between the casing, spiral coil's the regional first baffle that is provided with that encircles, first baffle will spiral coil's the regional division of encircleing is for following spiral coil's axial distribution's first cavity and second cavity, first cavity is located the second cavity is kept away from the one end of flue gas exhaust structure, the combustion head is located in the first cavity.

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

the utility model discloses in normal work, the high temperature flue gas that the combustion head produced can pass spiral coil from first cavity, pass and pass spiral coil once more along the gap between spiral coil and the casing and get into the second cavity, later discharge from the flue gas exhaust structure, can prolong the time of walking of flue gas, thereby reduce calorific loss, and flue gas exhaust structure direct forming is on first casing or second casing, the structural style that two halves shell concatenations more traditional formed, the leakproofness is better, the risk of flue gas leakage can not appear, spiral coil's both ends are provided with insulating insulation layer simultaneously, can effectively avoid producing potential difference corrosion or slow down potential difference corrosion, increase of service life, therefore, the clothes hanger is strong in practicability.

According to some embodiments of the invention, the input of the helical coil is butted against the second chamber, the output is butted against the first chamber.

According to some embodiments of the utility model, spiral coil's input and output all with be provided with the elasticity sealing washer between the casing.

According to some embodiments of the utility model, the internal diameter of elasticity sealing washer is followed spiral coil wears out the direction of casing reduces in proper order.

According to some embodiments of the utility model, insulating layer is the loop configuration, just insulating layer is formed by a plurality of segmental arcs concatenation.

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 utility model, the flue gas discharge structure form in on the second casing, first cavity is located the second cavity is close to the one end of first casing, the second casing is provided with the interlayer structure, the interlayer structure with separate through the second baffle between the second cavity, just the through-hole has been seted up on the second baffle, the flue gas discharge structure is connected interlayer structure and outside.

According to some embodiments of the utility model, the flue gas discharge structure is including the intercommunication interlayer structure's flue and intercommunication the flue gas discharge chamber of flue, the flue gas discharge chamber is provided with the flue gas discharge apron, the flue gas discharge apron with be provided with first sealing washer between the flue gas discharge chamber, the discharge port has been seted up on the flue gas discharge apron.

According to some embodiments of the utility model, the flue gas exhaust chamber is located the top of casing, the through-hole is seted up in the latter half of second baffle.

According to some embodiments of the invention, the bottom of the housing is provided with a drain outlet.

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 sectional view of a first embodiment of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view showing the installation position of the insulating layer;

FIG. 4 is a schematic view of one configuration of the mounting plate;

FIG. 5 is a schematic diagram of one construction of a spiral coil;

fig. 6 is a sectional view of a second structure 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. 1-6, the utility model provides a heat exchanger, which comprises a housin, burner 110 and helical coil 108, the casing is including first casing 100 and the second casing 101 that the concatenation is in the same place, the shaping has flue gas exhaust structure on first casing 100 or the second casing 101, helical coil 108 sets up in the casing, and be provided with insulating layer 115 between helical coil 108 axial direction's both ends and the casing, helical coil 108 encircles and is provided with first baffle 107 in the region, first baffle 107 separates helical coil 108 encircleing for the first cavity and the second cavity of the axial distribution along helical coil 108, first cavity is located the second cavity and keeps away from the one end of flue gas exhaust structure, burner 110 is located first cavity.

The utility model provides a heat exchanger is in normal work, the high temperature flue gas that burning head 110 produced can pass spiral coil 108 from first cavity, pass and pass spiral coil 108 once more along the gap between spiral coil 108 and the casing and get into the second cavity, later discharge from the flue gas exhaust structure, can prolong the time of walking of flue gas, thereby reduce calorific loss, and flue gas exhaust structure direct forming is on first casing 100 or second casing 101, the structural style that more traditional two halves shell concatenation formed, the leakproofness is better, flue gas leakage's risk can not appear, spiral coil 108's both ends are provided with insulating layer 115 simultaneously, can effectively avoid producing potential difference corrosion or slow down potential difference corrosion, prolonged service life, therefore, the clothes hanger is strong in practicability.

In some embodiments of the present invention, the input end of the spiral coil 108 is butted against the second chamber and the output end is butted against the first chamber. When the heat exchanger works, the heat exchange medium firstly enters the pipe section part of the spiral coil 108 corresponding to the second chamber, is preheated through the flue gas, and then enters the pipe section part of the spiral coil 108 corresponding to the first chamber to be heated, so that the heat loss can be reduced.

In some embodiments of the present invention, an elastic sealing ring 118 is disposed between the input and output ends of the spiral coil 108 and the housing. Due to the conventional heat exchanger, the input end and the output end of the spiral coil 108 are relatively fixed with the shell, when there is an angular deviation in the production and assembly processes, a problem of difficult butt joint with an external pipe may occur in practical use. Through the setting of elastic seal ring 118 in this embodiment for can take place certain angle change through external force between helical coil 108's input and output and the casing, thereby make things convenient for helical coil 108 and external pipe to dock, installation effectiveness and installation convenience when improving practical application. Meanwhile, the arrangement of the elastic sealing ring 118 can ensure the sealing effect and avoid the leakage of smoke.

In some embodiments of the present invention, the inner diameter of the elastic sealing ring 118 decreases in the direction in which the spiral coil 108 penetrates out of the housing. Because when actual installation, spiral coil 108's input and output are worn out from the casing is outside, the structure setting in this embodiment, and the medial extremity of elastic sealing ring 118 can not form the step that hinders spiral coil 108 to penetrate, and the input and the output of spiral coil 108 of being convenient for wear out from elastic sealing ring 118, and then are favorable to improving production packaging efficiency.

In some embodiments of the present invention, the insulating layer 115 is an annular structure, and the insulating layer 115 is formed by splicing a plurality of arc segments. This embodiment sets up to the structure that a plurality of segmental arcs structure concatenations formed through insulating layer 115, can improve the utilization ratio of material, reduces the waste of clout, and then reduction in production cost.

The utility model discloses an in some embodiments, insulating layer 115 pastes and locates on spiral coil 108, spiral coil 108 direct contact casing when the skew takes place for the actual mounted position that can avoid spiral coil 108 and theoretical mounted position to ensure insulating layer 115's insulating thermal-insulated effect.

The insulating layer 115 of the present invention may be made of insulating cotton, or other known materials, and is not limited herein. And the number of the arc sections used for splicing to form the annular structure can be flexibly set according to the actual condition.

In some embodiments of the present invention, the first casing 100 and the second casing 101 are spliced together left and right, the smoke exhausting structure is formed on the second casing 101, the first cavity is located at one end of the second cavity close to the first casing 100, the second casing 101 is provided with the interlayer structure 105, the interlayer structure 105 and the second cavity are separated by the second partition 106, the second partition 106 is provided with a through hole, and the smoke exhausting structure connects the interlayer structure 105 and the outside. The structure arrangement in this embodiment can prolong the time for discharging flue gas through the arrangement of the second partition plate 106 and the interlayer structure 105, thereby ensuring the absorption of the heat exchange medium to the flue gas waste heat and reducing the heat loss.

Referring to fig. 1, in some embodiments of the present invention, the second end cap 104 is disposed at an end of the second partition 106, which is far away from the second chamber, of the second casing 101, and the size of the second end cap 104 is larger than that of the second partition 106, so that the second partition 106 can be disassembled when the second end cap 104 is disassembled, the first casing 100 and the second casing 101 do not need to be disassembled, and maintenance, production and assembly are facilitated. Wherein a second sealing ring is arranged between the second end cap 104 and the second casing 101 to avoid smoke leakage.

Similarly, a first end cover 112 is disposed at an end of the first casing 100 away from the first chamber, the combustion head 110 extends into the first chamber through the first end cover 112, and the combustion head 110 has a combustion seat 113 located outside the first end cover 112 for receiving external combustion gas.

In some embodiments of the present invention, the first end cap 112 is provided with a fireproof brick 111 corresponding to the inner diameter of the surrounding area of the spiral coil 108, so as to position the spiral coil 108 through the fireproof brick 111.

In some embodiments of the present invention, the smoke discharging structure includes a flue communicating with the interlayer structure 105 and a smoke discharging cavity 102 communicating with the flue, the smoke discharging cavity 102 is provided with a smoke discharging cover plate 103, a first sealing ring is provided between the smoke discharging cover plate 103 and the smoke discharging cavity 102, and a discharge port 114 is provided on the smoke discharging cover plate 103. The structure arrangement in this embodiment can release the pressure of the flue gas in the flue through the flue gas exhaust cavity 102, thereby ensuring smooth exhaust of the flue gas. And can guarantee to seal through seal structure between first casing 100 and the second casing 101, can guarantee to seal through the first sealing washer between the lateral wall of flue gas exhaust chamber 102 and the flue gas exhaust apron 103, and the flue is moulded on second casing 101, therefore the leakproofness of the flue gas exhaust structure that adopts the structure setting in this embodiment is good.

In some embodiments of the present invention, the flue gas exhaust cavity 102 is located at the top of the housing, and the through hole is opened in the lower half of the second partition 106. Because the flue gas is upwards discharged, the through holes are arranged at the lower half part of the second partition plate 106, and a settling effect can be formed at the second partition plate 106, so that the smoke generated by combustion is deposited near the bottom of the second partition plate 106, and the second partition plate 106 and the second end cover 104 can be cleaned when being detached.

In some embodiments of the present invention, the bottom of the housing is provided with a drain opening 109. Drain 109 may be provided to drain condensate that may be generated during operation of spiral coil 108.

In some embodiments of the present invention, the first partition 107 includes a mounting plate 116 and a fireproof layer, the circumferential side of the mounting plate 116 is provided with a wing plate 117 capable of being clamped into the self gap of the spiral coil 108, a step is formed between the wing plate 117 and the mounting plate 116, and the fireproof layer is disposed at one end of the mounting plate 116 close to the combustion head 110. During installation, the fire-proof layer can be firstly arranged on the mounting plate 116, then the wing plates 117 are aligned with the spiral coil 108, and the mounting plate 116 is pushed into the proper position of the surrounding area of the spiral coil 108 along the self gap of the spiral coil 108 by rotating the mounting plate 116.

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

1. A heat exchanger, characterized by: including casing, burner and spiral coil, the casing is including first casing and the second casing that the concatenation is in the same place, first casing perhaps the shaping has the flue gas exhaust structure on the second casing, spiral coil set up in the casing, just spiral coil axial direction's both ends with be provided with insulating layer between the casing, spiral coil's the regional first baffle that is provided with that encircles, first baffle will spiral coil's the regional division that encircles is followed spiral coil's axial distribution's first cavity and second cavity, first cavity is located the second cavity is kept away from the one end of flue gas exhaust structure, the burner is located in the first cavity.

2. The heat exchanger of claim 1, wherein: the input end of the spiral coil is in butt joint with the second chamber, and the output end of the spiral coil is in butt joint with the first chamber.

3. The heat exchanger of claim 2, wherein: the input and the output of spiral coil all with be provided with elastic sealing ring between the casing.

4. The heat exchanger of claim 3, wherein: the inner diameter of the elastic sealing ring is sequentially reduced along the direction that the spiral coil penetrates out of the shell.

5. The heat exchanger of claim 1, wherein: the insulating and heat-insulating layer is of an annular structure and is formed by splicing a plurality of arc sections.

6. The heat exchanger of claim 5, wherein: the insulating layer is attached to the spiral coil.

7. The heat exchanger according to any one of claims 1 to 6, wherein: the flue gas exhaust structure is formed on the second shell, the first cavity is located at one end, close to the first shell, of the second cavity, the second shell is provided with an interlayer structure, the interlayer structure is separated from the second cavity through a second partition plate, a through hole is formed in the second partition plate, and the flue gas exhaust structure is connected with the interlayer structure and the outside.

8. The heat exchanger of claim 7, wherein: the smoke discharging structure comprises a smoke channel communicated with the interlayer structure and a smoke discharging cavity communicated with the smoke channel, a smoke discharging cover plate is arranged in the smoke discharging cavity, a first sealing ring is arranged between the smoke discharging cover plate and the smoke discharging cavity, and a discharging port is formed in the smoke discharging cover plate.

9. The heat exchanger of claim 8, wherein: the flue gas discharge cavity is located the top of casing, the through-hole is seted up in the latter half of second baffle.

10. The heat exchanger according to any one of claims 1 to 6, wherein: the bottom of the shell is provided with a water outlet.