Mixed hot water tank structure

Abstract

The utility model discloses a mixed heat water tank structure which comprises a tank body, a mixed heat pipe set is arranged in the tank body, the mixed heat pipe set comprises an inner pipe and an outer pipe, an outer inlet and an outer outlet which are communicated with the outer pipe are arranged on the outer side of the tank body, and an inner inlet and an inner outlet which are communicated with the inner pipe are arranged on the outer side of the tank body. Hot water and cold water are respectively introduced into the inner pipe and the outer pipe, and only one pipe wall of the inner pipe is arranged between the hot water and the cold water, so that the heat exchange efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot water mixing tanks, in particular to a hot water mixing tank structure. Background Art

[0002] The heat recovery unit recovers the heat dissipation in the cooling water system and uses it to heat and preheat domestic hot water or hot water for production processes. It can not only realize the utilization of waste heat and reduce the thermal pollution caused by condensation heat to the environment, but also reduce the operating costs and noise of the cooling tower. The hot water mixing tank is an important device in the heat recovery unit. In the existing hot water mixing tank, the heat exchange between hot water and cold water is achieved by interweaving the hot water pipe and the cold water pipe. The hot water and the cold water are separated by two layers of pipe walls of the hot water pipe and the cold water pipe, as well as the air between the hot water pipe and the cold water pipe, and the heat exchange efficiency is low. Utility Model Content

[0003] The purpose of the utility model is to avoid the deficiencies of the prior art and provide a hot water mixing tank structure, thereby effectively solving the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a mixed hot water tank structure, including a tank body, a mixed heat pipe group is arranged in the tank body, the mixed heat pipe group includes an inner pipe and an outer pipe, the outer side of the tank body is provided with an outer inlet and an outer outlet connected with the outer pipe, and the outer side of the tank body is provided with an inner inlet and an inner outlet connected with the inner pipe.

[0005] Furthermore, the heat mixing tube group is provided with a plurality of bends in the box body, the heat mixing tube group includes a straight tube part and a bent tube part, the bent tube part includes an inner bent tube and an outer bent tube, the straight tube part includes an inner straight tube and an outer straight tube, the inner bent tube is connected with the inner straight tube, and the outer bent tube is connected with the outer straight tube.

[0006] Furthermore, the outer side of the inner curved pipe is sleeved with an inner bracket which can be supported on the inner wall of the outer curved pipe, and the inner bracket is an open bracket.

[0007] Furthermore, an outer bracket supported at the bottom of the outer curved pipe is arranged in the box body.

[0008] Furthermore, the inner inlet and the inner outlet are both arranged on the inner straight tube close to the side of the box body, the outer inlet and the outer outlet are both arranged on the outer straight tube close to the side of the box body, the outer end of the outer straight tube is closed, and the outer inlet and the outer outlet are both radially arranged on the side of the outer straight tube.

[0009] Furthermore, a top cover is arranged on the upper side of the box body, a sealing ring is arranged between the box body and the top cover, and the box body and the top cover are connected via a connecting piece.

[0010] The above technical solution of the utility model has the following beneficial effects: in the utility model, hot water and cold water are respectively introduced into the inner tube and the outer tube, and the hot water and the cold water are separated by only the tube wall of the inner tube, thereby improving the heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a top cross-sectional schematic diagram of an embodiment of the utility model;

[0012] Figure 2 It is a schematic cross-sectional view of the bent pipe portion of an embodiment of the utility model. DETAILED DESCRIPTION

[0013] The following is a detailed description of the preferred implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0014] In the description of the present utility model, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0015] like Figure 1-2 As shown, a hot water mixing tank structure of the present embodiment comprises a tank body 1, a hot water mixing tube group is arranged in the tank body 1, the hot water mixing tube group comprises an inner tube 2 and an outer tube 3, an outer inlet 4 and an outer outlet 5 connected with the outer tube 3 are arranged on the outer side of the tank body 1, and an inner inlet 6 and an inner outlet 7 connected with the inner tube 2 are arranged on the outer side of the tank body 1; when in use, hot water can be introduced into the inner tube 2 through the inner inlet 6, and cold water can be introduced into the outer inlet 4, and the hot water and the cold water flow through the tank body 1, and the hot water and the cold water are separated by only the tube wall of the inner tube 2, so as to improve the heat exchange efficiency, and then the hot water after the hot water mixing is discharged through the inner outlet 7, and the cold water after the hot water mixing is discharged through the outer outlet 5;

[0016] Preferably, the heat mixing pipe group is provided with a plurality of bends in the box body 1 to extend the heat mixing time of hot water and cold water. The heat mixing pipe group includes a straight pipe part and a bent pipe part. The bent pipe part includes an inner bent pipe 21 and an outer bent pipe 31. The straight pipe part includes an inner straight pipe 22 and an outer straight pipe 32. The inner bent pipe 21 is connected with the inner straight pipe 22, and the outer bent pipe 31 is connected with the outer straight pipe 32. When connecting, the outer straight pipe 32 is first sleeved on the inner straight pipe 22, and the outer bent pipe 31 is sleeved on the inner bent pipe 21, and then the inner straight pipe 22 and the inner bent pipe 21 are connected, and then the outer straight pipe 32 and the outer bent pipe 31 are connected (the connection can be made by flange connection or direct bonding); and then they are laid in the box body 1 after being connected in sequence for fixing;

[0017] Preferably, the outer side of the inner curved tube 21 is provided with an inner bracket 8 which can be supported on the inner wall of the outer curved tube 31, and the inner bracket 8 is an open bracket; the inner bracket 8 supports the inner tube 2 to prevent the inner tube 2 from falling;

[0018] Preferably, the box body 1 is provided with an outer bracket 9 supported at the bottom of the outer curved pipe 31; the outer bracket 9 supports the outer pipe 3 as a whole, so as to fix the outer pipe 3 in the box body 1;

[0019] Preferably, the inner inlet 6 and the inner outlet 7 are both arranged on the inner straight tube 22 near the side of the box body 1, and the outer inlet 4 and the outer outlet 5 are both arranged on the outer straight tube 32 near the side of the box body 1, the outer end of the outer straight tube 32 is closed, and the outer inlet 4 and the outer outlet 5 are both arranged radially on the side of the outer straight tube 32, so that the inner inlet 6 and the outer inlet 4, the inner outlet 7 and the outer outlet 5 are separated for easy distinction;

[0020] Preferably, a top cover 11 is provided on the upper side of the box body 1, a sealing ring 12 is provided between the box body 1 and the top cover, the box body 1 and the top cover 11 are connected by a connecting piece 13, and the top cover 11 can be opened to perform inspection and maintenance on the box body 1; in this embodiment, the connecting piece 13 is a bolt.

[0021] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A hot water mixing tank structure, characterized in that: It comprises a box body, in which a heat mixing tube group is arranged, the heat mixing tube group comprises an inner tube and an outer tube, the inner tube is arranged in the outer tube, the outer side of the box body is provided with an outer inlet and an outer outlet connected with the outer tube, and the outer side of the box body is provided with an inner inlet and an inner outlet connected with the inner tube.

2. A hot water mixing tank structure according to claim 1, characterized in that: The heat mixing tube group is provided with a plurality of bends in the box body, and the heat mixing tube group includes a straight tube part and a bent tube part, the bent tube part includes an inner bent tube and an outer bent tube, the straight tube part includes an inner straight tube and an outer straight tube, the inner bent tube is connected with the inner straight tube, and the outer bent tube is connected with the outer straight tube.

3. A hot water mixing tank structure according to claim 2, characterized in that: The outer side of the inner curved pipe is sleeved with an inner bracket which can be supported on the inner wall of the outer curved pipe, and the inner bracket is an unclosed bracket.

4. A hot water mixing tank structure according to claim 2, characterized in that: The box body is provided with an outer bracket supported on the bottom of the outer curved pipe.

5. A hot water mixing tank structure according to claim 2, characterized in that: The inner inlet and the inner outlet are both arranged on the inner straight tube close to the side of the box body, the outer inlet and the outer outlet are both arranged on the outer straight tube close to the side of the box body, the outer end of the outer straight tube is closed, and the outer inlet and the outer outlet are both arranged radially on the side of the outer straight tube.

6. A hot water mixing tank structure according to claim 1, characterized in that: A top cover is arranged on the upper side of the box body, a sealing ring is arranged between the box body and the top cover, and the box body and the top cover are connected by a connecting piece.

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