Stainless steel heat exchanger

Abstract

A stainless steel heat exchanger comprises a left water guide seat, a right water guide seat, a top-layer water pipe group, a middle-layer water pipe group, a bottom-layer water pipe group and heat exchange fins, the bottom-layer water pipe group is communicated with a pipe hole of a left serial water cavity and a pipe hole of a left bottom water guide cavity and matched with the left bottom pipe hole, and the other end of the bottom-layer water pipe group is communicated with a pipe hole in a right bottom water guide cavity. The left bottom joint pipe penetrates through the left bottom pipe hole and is communicated with the bottom water guide pipe; the middle water pipe group is communicated with the pipe hole of the left middle water guide cavity and the other pipe hole of the left series water cavity, and the other end is communicated with the pipe hole of the right middle water guide cavity and one pipe hole of the right series water cavity; one end of a top water guide pipe of the top water pipe set is communicated with a pipe hole of the left top water guide cavity, the other end of the top water guide pipe is communicated with a pipe hole in one end of the right series water cavity, a pipe hole of the right top water guide cavity and a right top pipe hole, a right top connector pipe is communicated with the top water guide pipe penetrating through the right top pipe hole, and a top water pipe of the top water pipe set is fixed to a fixing hole of the fixing pipe hole set of the heat exchange fin. The left water guide seat and the right water guide seat are made of stainless steel plates and are corrosion-resistant; and the processing is convenient.

Description

Technical Field

[0001] The utility model relates to a heat exchanger for a gas water heater. Background Art

[0002] The current state of the art, according to Chinese Patent 202120797124.2, relates to a single-channel gas heat exchanger, belonging to the field of heat exchangers, comprising a heat absorbing assembly, a front fixing plate, a rear fixing plate, and a plurality of water pipes; the front fixing plate and the rear fixing plate are located on the front and rear sides of the heat absorbing assembly, respectively; the heat absorbing assembly comprises a plurality of heat transfer fins arranged sequentially from front to back; the heat transfer fins are provided with a plurality of fixing holes arranged sequentially from left to right; a water pipe is passed through each fixing hole; all fixing holes in the same position of all heat transfer fins are passed through by the same water pipe; all water pipes are fixed to the front and rear fixing plates at both ends, respectively; adjacent water pipes are connected at one end by an elbow, and all water pipes and the elbow together form a circuitous channel. Problems exist: for low power, elbows are easy to manufacture; for high power, the pipe diameter is large, and wrinkles are easily formed when bending, making loud noises when water flows, and inconvenient to manufacture. Utility Model Content

[0003] The purpose of the utility model is to provide a stainless steel heat exchanger which has the characteristics of corrosion resistance and convenient processing.

[0004] The utility model is realized as follows: a stainless steel heat exchanger, which is special in that it includes a left water guide seat, a right water guide seat, a top water pipe group, a middle water pipe group, a bottom water pipe group and heat exchange fins,

[0005] The left water guide seat includes a left top water guide cavity, a left middle water guide cavity, a left series water guide cavity, a left bottom water guide cavity, a left bottom pipe hole and a left bottom joint. One end of the left series water guide cavity corresponds to the left bottom water guide cavity, and the other end corresponds to the left middle water guide cavity. The left bottom water guide cavity and the left bottom pipe hole are in a straight line.

[0006] Two pipe holes are respectively provided on the left top water guide cavity, the left middle water guide cavity, the left series water cavity and the left bottom water guide cavity;

[0007] The right water guide seat includes a right top water guide cavity, a right top pipe hole, a right middle water guide cavity, a right series water cavity, a right bottom water guide cavity and a right top joint. One end of the right series water cavity corresponds to the right middle water guide cavity, and the other end corresponds to the right top water guide cavity. The right middle water guide cavity and the right top pipe hole are in a straight line.

[0008] Two pipe holes are respectively provided on the right top water guide cavity, the right middle water guide cavity, the right series water cavity and the right bottom water guide cavity;

[0009] The heat exchange fins are provided with a fixed tube hole group;

[0010] One end of the bottom water pipe of the bottom water pipe group is connected to a pipe hole of the left series water cavity, the pipe hole of the left bottom water pipe cavity and cooperates with the left bottom pipe hole, and the other end is connected to the pipe hole on the right bottom water pipe cavity, and the left bottom joint pipe passes through the left bottom pipe hole and is connected to the bottom water pipe; one end of the middle water pipe of the middle water pipe group is connected to the pipe hole of the left middle water pipe cavity and the other pipe hole of the left series water cavity, and the other end is connected to the pipe hole of the right middle water pipe cavity and a pipe hole of the right series water cavity; one end of the top water pipe of the top water pipe group is connected to the pipe hole of the left top water pipe cavity, and the other end is connected to one end pipe hole of the right series water cavity, the pipe hole of the right top water pipe cavity and the right top pipe hole, the right top joint pipe is connected to the top water pipe passing through the right top pipe hole, and the top water pipe of the top water pipe group is fixed to the fixed hole of the fixed pipe hole group of the heat exchange fin.

[0011] The stainless steel heat exchanger is special in that: the number of top water pipes in the top water pipe group is the same as the number of bottom water pipes in the bottom water pipe group, and the number of middle water pipes in the middle water pipe group is one less than the number of top water pipes in the top water pipe group and the number of bottom water pipes in the bottom water pipe group.

[0012] The stainless steel heat exchanger is special in that: the right water guide seat comprises a right water guide seat body with a side opening and a right water guide plate.

[0013] The bottom, middle and top of the end plate of the right water guide seat are respectively provided with a plurality of horizontally arranged pipe holes;

[0014] The right water guide plate is provided with a right bottom water guide shell at the bottom, a right middle water guide shell in the middle, a right top water guide shell, a right plate joint pipe hole and a right series water shell at the top;

[0015] The right water guide plate is embedded in the right water guide seat body and is sealed with the end plate. The end plate covers the openings of the right bottom water guide shell, the right middle water guide shell, the right top water guide shell and the right series water shell and forms the left top water guide cavity, the left middle water guide cavity, the left series water cavity and the left bottom water guide cavity; the right joint pipe hole and a pipe hole on the top constitute the right top pipe hole;

[0016] The left water guide seat comprises a left water guide seat body with a side opening and a left water guide plate.

[0017] The bottom, middle and top of the end plate of the left water guide seat are respectively provided with a plurality of horizontally arranged pipe holes;

[0018] The left water guide plate is provided with a left bottom water guide shell and a left plate joint pipe hole at the bottom, a left middle water guide shell in the middle, a left top water guide shell and a left series water shell at the top;

[0019] The left water guide plate is embedded in the left water guide seat body and is sealed with the end plate. The end plate covers the left bottom water guide shell, the left middle water guide shell, the left top water guide shell and the left series water shell to form the top water guide cavity, the left middle water guide cavity, the left series water cavity and the left bottom water guide cavity; the left plate joint pipe hole and a pipe hole at the bottom constitute the left bottom pipe hole.

[0020] The special feature of the stainless steel heat exchanger is that heat exchange fins are provided on the middle water tube group.

[0021] The special feature of the stainless steel heat exchanger is that heat exchange fins are provided on the bottom water pipe group.

[0022] The utility model discloses a stainless steel heat exchanger. The left water guide seat and the right water guide seat are made of stainless steel plates, which are corrosion-resistant and easy to process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a cross-sectional view of the present utility model.

[0024] Figure 2 yes Figure 1 A-A view of.

[0025] Figure 3 It is a left view of the present utility model.

[0026] Figure 4 It is a right view of the present utility model.

[0027] Figure 5 It is a three-dimensional diagram of the present utility model.

[0028] Figure 6 It is a three-dimensional exploded view of the present utility model.

[0029] Figure 7 This is one of the three-dimensional exploded views of the right water guide seat of the utility model.

[0030] Figure 8 This is the second exploded perspective view of the right water guide seat of the present utility model. DETAILED DESCRIPTION

[0031] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0032] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0033] like Figure 1 As shown, a stainless steel heat exchanger includes a left water guide seat 1, a right water guide seat 2, a top water pipe group 3, a middle water pipe group 4, a bottom water pipe group 5 and heat exchange fins 6, and the heat exchange fins 6 are made of stainless steel plates;

[0034] The left water guide seat 1 includes a plurality of horizontally arranged left top water guide cavities 11, a plurality of horizontally arranged left middle water guide cavities 12, a left series water cavity 13, a plurality of horizontally arranged left bottom water guide cavities 14, a left bottom pipe hole 15 and a left bottom joint 16. One end of the left series water cavity 13 corresponds to the left bottom water guide cavity 14, and the other end corresponds to the left middle water guide cavity 12. The left bottom water guide cavity 14 and the left bottom pipe hole 15 are in a straight line.

[0035] Two pipe holes are respectively provided on the left top water guide chamber 11, the left middle water guide chamber 12, the left series water chamber 13 and the left bottom water guide chamber 14;

[0036] The right water guide seat 2 includes a plurality of horizontally arranged right top water guide cavities 21, a right top pipe hole 22, a plurality of horizontally arranged right middle water guide cavities 23, a right series water cavity 24, a plurality of horizontally arranged right bottom water guide cavities 25 and a right top joint 26. One end of the right series water cavity 24 corresponds to the right middle water guide cavity 23, and the other end corresponds to the right top water guide cavity 21. The right middle water guide cavity and the right top pipe hole 22 are in a straight line.

[0037] Two pipe holes are respectively provided on the right top water guide cavity 21, the right middle water guide cavity 23, the right series water cavity 24 and the right bottom water guide cavity 25;

[0038] The heat exchange fins 6 are provided with a fixed tube hole group;

[0039] One end of the bottom water pipe of the bottom water pipe group 5 is connected to a pipe hole of the left series water chamber 13, the pipe hole of the left bottom water chamber 14, and the left bottom pipe hole 15, and the other end is connected to the pipe hole on the right bottom water chamber 25. The left bottom joint 16 pipe passes through the left bottom pipe hole 15 and is connected to the bottom water pipe; one end of the middle water pipe of the middle water pipe group 4 is connected to the pipe hole of the left middle water chamber 12 and the other pipe hole of the left series water chamber 13, and the other end is connected to the right middle water chamber 2 3 is connected to a tube hole of the right series water chamber 24; one end of the top water pipe of the top water pipe group 3 is connected to the tube hole of the left top water chamber 11, the other end is connected to one end tube hole of the right series water chamber 24, the tube hole of the right top water chamber 21 and one of them passes through the right top tube hole 22, the right top joint 26 is connected to the top water pipe passing through the right top tube hole 22, and the top water pipe of the top water pipe group 3 is fixed to the fixed hole of the fixed tube hole group of the heat exchange fin 6.

[0040] With such a structure, the left bottom water chamber and the right bottom water guide chamber connect the bottom water pipes in the bottom water pipe group 5 in series, the left middle water guide chamber and the right middle water guide chamber connect the middle water pipes in the middle water pipe group 4 in series, the left top water guide chamber and the right top water guide chamber connect the top water pipes in the top water pipe group 3 in series, the left series water chamber connects the bottom water pipe group 5 and the middle water pipe group 4 in series, and the right series water chamber connects the middle water pipe group 4 and the top water pipe group 3 in series.

[0041] As a further improvement of the present invention: the number of top water pipes of the top water pipe group 3 and the number of bottom water pipes of the bottom water pipe group 5 are the same, the number of middle water pipes of the middle water pipe group 4 is one less than the number of top water pipes of the top water pipe group 3 and the number of bottom water pipes of the bottom water pipe group 5; the middle water pipes of the middle water pipe group 4 and the top water pipes of the top water pipe group 3 and the bottom water pipes of the bottom water pipe group 5 are arranged alternately. With such a structure, the heat energy path is increased and the heat exchange efficiency is improved.

[0042] As a further improvement of the present invention: the right water guide seat 2 includes a right water guide seat body 2A with a side opening and a right water guide plate 2B;

[0043] The bottom, middle and top of the end plate of the right water guide seat body 2A are respectively provided with a plurality of horizontally arranged pipe holes. The right water guide seat body 2A is formed from a stainless steel plate in one step.

[0044] The right water guide plate 2B is provided with a right bottom water guide shell 251 with a side opening at the bottom, a right middle water guide shell 231 with a side opening in the middle, a right top water guide shell 211 with a side opening at the top, a right plate joint pipe hole, and a right series water shell 241 with a side opening. The right water guide plate 2B is formed from a stainless steel plate in one piece.

[0045] The right water guide plate 2B is embedded in the right water guide seat body 2A and is sealed with the end plate. The end plate covers the right bottom water guide shell 251, the right middle water guide shell 231, the right top water guide shell 21 and the right series water shell 241 to form the right top water guide cavity 21, the right middle water guide cavity 23, the right series water cavity 24 and the right bottom water guide cavity 25; the right plate joint pipe hole and a pipe hole on the top constitute the right top pipe hole 22;

[0046] The left water guide seat 1 includes a left water guide seat body 1A with a side opening and a left water guide plate 1B, and the left water guide seat body 1A and the left water guide plate 1B are made of stainless steel plates;

[0047] The bottom, middle and top of the end plate of the left water guide seat body 1A are respectively provided with a number of horizontally arranged pipe holes; the left water guide seat body 1A is made of stainless steel plate in one step.

[0048] The left water guide plate 1B is provided with a left bottom water guide shell and a left plate joint pipe hole at the bottom, a left middle water guide shell in the middle, a left top water guide shell and a left series water shell at the top; the left water guide plate 1B is formed from a stainless steel plate in one step;

[0049] The left water guide plate 1B is embedded in the left water guide seat body 1A and is sealed with the end plate. The end plate covers the left bottom water guide shell, the left middle water guide shell, the left top water guide shell and the left series water shell to form the left top water guide cavity, the left middle water guide cavity 12, the left series water cavity 13 and the left bottom water guide cavity 14; the left plate joint pipe hole and a pipe hole at the bottom constitute the left bottom pipe hole 15.

[0050] The middle water tube group 4 is provided with heat exchange fins 6 .

[0051] The bottom water pipe group 5 is provided with heat exchange fins 6.

[0052] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A stainless steel heat exchanger, characterized in that: It includes the left water guide seat, the right water guide seat, the top water pipe group, the middle water pipe group, the bottom water pipe group and the heat exchange fins. The left water guide seat includes a left top water guide cavity, a left middle water guide cavity, a left series water guide cavity, a left bottom water guide cavity, a left bottom pipe hole and a left bottom joint. One end of the left series water guide cavity corresponds to the left bottom water guide cavity, and the other end corresponds to the left middle water guide cavity. The left bottom water guide cavity and the left bottom pipe hole are in a straight line. Two pipe holes are respectively provided on the left top water guide cavity, the left middle water guide cavity, the left series water cavity and the left bottom water guide cavity; The right water guide seat includes a right top water guide cavity, a right top pipe hole, a right middle water guide cavity, a right series water cavity, a right bottom water guide cavity and a right top joint. One end of the right series water cavity corresponds to the right middle water guide cavity, and the other end corresponds to the right top water guide cavity. The right middle water guide cavity and the right top pipe hole are in a straight line. Two pipe holes are respectively provided on the right top water guide cavity, the right middle water guide cavity, the right series water cavity and the right bottom water guide cavity; The heat exchange fins are provided with a fixed tube hole group; One end of the bottom water pipe of the bottom water pipe group is connected to a pipe hole of the left series water cavity, the pipe hole of the left bottom water pipe cavity and cooperates with the left bottom pipe hole, and the other end is connected to the pipe hole on the right bottom water pipe cavity, and the left bottom joint pipe passes through the left bottom pipe hole and is connected to the bottom water pipe; one end of the middle water pipe of the middle water pipe group is connected to the pipe hole of the left middle water pipe cavity and the other pipe hole of the left series water cavity, and the other end is connected to the pipe hole of the right middle water pipe cavity and a pipe hole of the right series water cavity; one end of the top water pipe of the top water pipe group is connected to the pipe hole of the left top water pipe cavity, and the other end is connected to one end pipe hole of the right series water cavity, the pipe hole of the right top water pipe cavity and the right top pipe hole, the right top joint pipe is connected to the top water pipe passing through the right top pipe hole, and the top water pipe of the top water pipe group is fixed to the fixed hole of the fixed pipe hole group of the heat exchange fin.

2. The stainless steel heat exchanger according to claim 1, characterized in that: The number of top water pipes in the top water pipe group is the same as the number of bottom water pipes in the bottom water pipe group, and the number of middle water pipes in the middle water pipe group is one less than the number of top water pipes in the top water pipe group and the bottom water pipes in the bottom water pipe group.

3. The stainless steel heat exchanger according to claim 1, characterized in that: The right water guide seat comprises a right water guide seat body with a side opening and a right water guide plate. The bottom, middle and top of the end plate of the right water guide seat are respectively provided with a plurality of horizontally arranged pipe holes; The right water guide plate is provided with a right bottom water guide shell at the bottom, a right middle water guide shell in the middle, a right top water guide shell, a right plate joint pipe hole and a right series water shell at the top; The right water guide plate is embedded in the right water guide seat body and is sealed with the end plate. The end plate covers the openings of the right bottom water guide shell, the right middle water guide shell, the right top water guide shell and the right series water shell and forms the left top water guide cavity, the left middle water guide cavity, the left series water cavity and the left bottom water guide cavity; the right joint pipe hole and a pipe hole on the top constitute the right top pipe hole; The left water guide seat includes a left water guide seat body with a side opening and a left water guide plate. The bottom, middle and top of the end plate of the left water guide seat are respectively provided with a plurality of horizontally arranged pipe holes; The left water guide plate is provided with a left bottom water guide shell and a left plate joint pipe hole at the bottom, a left middle water guide shell in the middle, a left top water guide shell and a left series water shell at the top; The left water guide plate is embedded in the left water guide seat body and is sealed with the end plate. The end plate covers the left bottom water guide shell, the left middle water guide shell, the left top water guide shell and the left series water shell to form the top water guide cavity, the left middle water guide cavity, the left series water cavity and the left bottom water guide cavity; the left plate joint pipe hole and a pipe hole at the bottom constitute the left bottom pipe hole.

4. A stainless steel heat exchanger according to claim 1, 2 or 3, characterized in that: The middle layer water tube group is provided with heat exchange fins.

5. The stainless steel heat exchanger according to claim 4, characterized in that: The bottom water pipe group is provided with heat exchange fins.

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