CN215984121U - Heat exchanger with device for guiding and reducing local overheating boiling noise of water flow - Google Patents
Heat exchanger with device for guiding and reducing local overheating boiling noise of water flow Download PDFInfo
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- CN215984121U CN215984121U CN202122677204.7U CN202122677204U CN215984121U CN 215984121 U CN215984121 U CN 215984121U CN 202122677204 U CN202122677204 U CN 202122677204U CN 215984121 U CN215984121 U CN 215984121U
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Abstract
The utility model belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger with a device for guiding and reducing local overheating boiling noise of water flow, which comprises a plurality of heat absorption pipes arranged side by side, wherein corresponding ports of two adjacent heat absorption pipes are communicated through a fluid channel, an acoustic panel is arranged in each heat absorption pipe along the axial direction of the heat absorption pipe, a plurality of flow guide windows are arranged on the acoustic panel, a flow guide part is arranged on the front side or the rear side of each flow guide window, and each flow guide part comprises a left flow guide sheet and a right flow guide sheet which are alternately distributed front and back. According to the utility model, the left flow deflector and the right flow deflector respectively form a flow guide channel with the inner walls of the flow guide window and the heat absorption pipe, water flows left and right along the flow guide channel, so that disordered water flows can flow in a fixed direction, manual turbulence of the water flow is generated, the uniformity of the water flow in the heat absorption pipe is changed, the water flow in a high heat absorption area of the heat absorption pipe is increased, the water flow in a low heat absorption area is reduced, and the purposes of reducing local overheating boiling noise of the water flow and improving heat absorption capacity are achieved.
Description
The technical field is as follows:
the utility model belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger with a device for guiding and reducing local overheating boiling noise of water flow.
Background art:
the existing water heaters are all provided with heat exchangers, fins are arranged outside heat absorption pipes, cold water is introduced into the heat absorption pipes, a large amount of high-temperature smoke can be discharged when the gas water heater works, and heat in the high-temperature smoke is absorbed by the heat absorption pipes, so that the cold water in the pipes is changed into hot water. The existing heat exchanger comprises a plurality of heat absorption pipes arranged side by side, corresponding ports of two adjacent heat absorption pipes are communicated through a fluid channel, and cold water flows into the next heat absorption pipe through the steering of the fluid channel in the previous heat absorption pipe.
However, in the above structure, the cold water flows in the heat absorption pipe disorderly and collides with the inner wall of the heat absorption pipe, so that the heat absorption pipe can generate larger noise and vibration in the normal working process, thereby seriously affecting the service environment and the service life of the water heater.
The utility model content is as follows:
the utility model aims to provide a heat exchanger with a flow guiding and flow reducing device for locally overheating boiling noise, which can guide the flow in a heat absorption pipe so as to effectively reduce the collision sound generated by the flow and the inner wall of the heat absorption pipe.
The utility model is realized by the following steps:
a heat exchanger with a flow-guiding and water-flow-reducing local overheating boiling noise device comprises a plurality of heat absorption pipes which are arranged side by side, corresponding ports of every two adjacent heat absorption pipes are communicated through a fluid channel, an acoustic panel is arranged in each heat absorption pipe along the axial direction of the heat absorption pipe, a plurality of flow-guiding windows are arranged on the acoustic panel at equal intervals along the axial direction of the acoustic panel, a flow-guiding piece is arranged on the front side or the rear side of each flow-guiding window, each flow-guiding piece comprises a left flow-guiding sheet and a right flow-guiding sheet, the left flow-guiding sheet and the right flow-guiding sheet are alternately distributed in the front and at the back of the axial direction of the acoustic panel, the outer ends of the left flow-guiding sheet and the right flow-guiding sheet are abutted against the inner walls of the heat absorption pipes; or a certain gap is reserved between the outer ends of the left flow deflector and the right flow deflector and the inner wall of the heat absorption pipe.
In the heat exchanger with the device for guiding and reducing the local overheating boiling noise of water flow, the heat absorption pipe is a flat pipe with a waist-shaped cross section, the upper side edge of the silencing plate is fixedly connected with a waist-shaped semicircular arc wall corresponding to the heat absorption pipe, the lower side edge of the silencing plate is a free end edge, and the upper and lower width of the silencing plate is greater than or equal to 1/3 of the maximum length of an inner hole of the heat absorption pipe.
In the heat exchanger with the device for guiding and reducing the local overheating boiling noise of the water flow, the upper side edge of the sound-absorbing plate is bent inwards to form an arc-shaped flanging, and the structure of the arc-shaped flanging corresponds to the waist-shaped semicircular arc wall corresponding to the heat absorbing pipe.
In the above heat exchanger with the device for guiding and reducing local overheating boiling noise of water flow, the sound-absorbing plate is made of stainless steel material.
In the above heat exchanger with a device for guiding and reducing local overheating boiling noise of water flow, the left flow deflector and the right flow deflector both comprise inclined portions which are obliquely arranged, the inner side walls of the inclined portions are fixed on the corresponding side walls of the flow guide windows, and the outer side walls of the inclined portions are fixedly connected with advection portions which are parallel to the sound-absorbing plate.
In the heat exchanger with the device for guiding and reducing local overheating boiling noise of water flow, the connection part of the inclined part and the drainage window is provided with the overflowing notch.
In the above heat exchanger with a device for guiding a falling stream of water to locally overheat a boiling noise, the inclined portion is inclined at an angle of 10 ° to 30 °.
Compared with the prior art, the utility model has the outstanding advantages that:
1. according to the utility model, the left flow deflector and the right flow deflector respectively form a flow guide channel with the inner walls of the flow guide window and the heat absorption pipe, water flows left and right along the flow guide channel, so that disordered water can flow in a fixed direction, manual turbulence of the water flow is made, the uniformity of the water flow in the heat absorption pipe is changed, the water flow in a high heat absorption area of the heat absorption pipe is increased, the water flow in a low heat absorption area is reduced, and the purposes of reducing local overheating boiling noise of the water flow and improving heat absorption capacity are achieved;
2. the utility model arranges the silencing sheet on the upper half part of the heat absorbing pipe, namely the turbulence of water flow is artificially produced on the upper half part of the heat absorbing pipe, and the lower half part of the heat absorbing pipe is not provided with the silencing sheet, so that the water flow exceeds the upper half part on the lower half part of the heat absorbing pipe because of small water resistance, and the heat absorption capacity of the lower half part of the heat absorbing pipe exceeds the upper half part in actual work, so the water flow of a high heat absorption area of the heat absorbing pipe is increased, the water flow of a low heat absorption area is reduced, and the ratio of the heat absorption capacity to the water flow is kept constant.
Description of the drawings:
FIG. 1 is a first cross-sectional view of the utility model in its entirety;
FIG. 2 is a second cross-sectional view of the utility model in its entirety;
FIG. 3 is a perspective view of the acoustical panel of the present invention;
fig. 4 is a top view of the acoustical panel of the present invention.
In the figure: 1. a heat absorbing tube; 2. a fluid channel; 3. a sound-absorbing panel; 4. a drainage window; 5. a left guide vane; 6. a right guide vane; 7. arc flanging; 8. an inclined portion; 9. a smoothing section; 10. an overflow notch; β, the inclination angle of the inclined portion.
The specific implementation mode is as follows:
the utility model will now be further described by way of specific examples, with reference to figures 1 to 4:
the utility model provides a heat exchanger with local overheated boiling noise device of water conservancy diversion downbearing water flow, is including the heat-absorbing pipe 1 that a plurality of set up side by side, and the corresponding port of two adjacent heat-absorbing pipes 1 passes through fluid passage 2 intercommunication, each all be provided with acoustical panel 3 along its axial in the heat-absorbing pipe 1, be provided with a plurality of drainage window 4 along its axial equidistant on the acoustical panel 3, the front side or the rear side of each drainage window 4 set up the water conservancy diversion spare, the water conservancy diversion spare is including around distributing in turn around acoustical panel 3's the axial and the outer end to the left side left-hand sloping left water conservancy diversion piece 5 and the outer end to the right side right water conservancy diversion piece 6, left water conservancy diversion piece 5 and right water conservancy diversion piece 6's outer end all with the heat-absorbing pipe 1 the inner wall between have certain clearance. Of course, the outer ends of the left baffle 5 and the right baffle 6 may abut against the inner wall of the heat absorbing pipe 1.
Wherein, form the water conservancy diversion passageway between left water conservancy diversion piece 5 and right water conservancy diversion piece 3 respectively and drainage window 4, the inner wall of heat absorption pipe 1, rivers flow along the water conservancy diversion passageway left and right sides for unordered rivers can flow along fixed direction, artificial turbulence of making rivers changes the homogeneity of water flow in the heat absorption pipe 1, makes the high heat absorption district's of heat absorption pipe 1 water flow increase, and the water flow in low heat absorption district reduces, realizes reducing the local overheated boiling noise of rivers and improves the purpose of heat-absorbing capacity.
Furthermore, considering the design structure of the sound-absorbing plate 3, in order to further optimize the ratio of the heat absorption capacity and the water flow in the heat-absorbing pipe, the specific structure adopted by the heat-absorbing pipe 1 is as follows: the heat absorption pipe 1 is a flat pipe with a waist-shaped cross section, the upper side edge of the sound absorption plate 3 is fixedly connected with a waist-shaped semicircular arc wall corresponding to the heat absorption pipe 1, the lower side edge of the sound absorption plate is a free end edge, and the upper and lower width of the sound absorption plate 3 is more than or equal to 1/3 of the maximum length of an inner hole of the heat absorption pipe 1. The noise reduction sheet 3 is arranged on the upper half part of the heat absorption pipe 1, namely, the turbulence of the water flow is artificially produced on the upper half part of the heat absorption pipe 1, the noise reduction sheet 3 is not arranged on the lower half part of the heat absorption pipe 1, so that the water flow on the lower half part of the heat absorption pipe 1 has small water resistance and the flow exceeds the upper half part, and in the actual work, the heat absorption capacity of the lower half part of the heat absorption pipe 1 exceeds the upper half part, so that the water flow of a high heat absorption area of the heat absorption pipe 1 is increased, the water flow of a low heat absorption area is reduced, and the ratio of the heat absorption capacity to the water flow is kept constant.
Meanwhile, in order to improve the connection stability of the sound-absorbing plate 3 and the inner wall of the heat-absorbing pipe 1, the upper side edge of the sound-absorbing plate 3 is bent inwards to form an arc-shaped flanging 7, and the structure of the arc-shaped flanging 7 corresponds to the waist-shaped semicircular wall corresponding to the heat-absorbing pipe 1. The arc-shaped flanging 7 can be fixedly connected with the heat absorption pipe 1 in a welding mode or in a screw fixing mode.
Further, the sound-deadening plate 3 is made of a stainless steel material.
In addition, the concrete structure that left air deflector 5 and right air deflector 6 adopted is: the left flow deflector 5 and the right flow deflector 6 both comprise inclined parts 8 which are obliquely arranged, the inner side walls of the inclined parts 8 are fixed on the corresponding side walls of the flow guide windows 4, and the outer side walls of the inclined parts are fixedly connected with advection parts 9 which are parallel to the silencing plates 3. Because the inner wall surface of the flow deflector and the flow guide window 4 form a flow guide channel, and in order to avoid that the outer wall surface of the flow deflector and the inner wall of the heat absorption pipe 1 form a region where water flow cannot flow forward, the connection part of the inclined part 8 and the flow guide window 4 is provided with an overflow notch 10.
Further, the inclined portion has an inclination angle β of 10 ° to 30 °. In the present embodiment, however, the inclination angle β of the inclined portion is 15 °.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered by the protection scope of the utility model.
Claims (7)
1. The utility model provides a heat exchanger with water conservancy diversion falls local overheat boiling noise device of rivers, is including heat-absorbing pipe (1) that a plurality of set up side by side, and the corresponding port of two adjacent heat-absorbing pipes (1) passes through fluid passage (2) intercommunication, its characterized in that: the silencer plate (3) is arranged in each heat absorption pipe (1) along the axial direction of the heat absorption pipe, a plurality of drainage windows (4) are arranged on the silencer plate (3) at equal intervals along the axial direction of the silencer plate, a flow guide piece is arranged on the front side or the rear side of each drainage window (4), the flow guide piece comprises left flow guide pieces (5) which are alternately distributed in the front-back direction along the axial direction of the silencer plate (3) and the outer ends of which are inclined towards the left and right flow guide pieces (6) the outer ends of which are inclined towards the right, and the outer ends of the left flow guide pieces (5) and the right flow guide pieces (6) are abutted against the inner wall of the heat absorption pipe (1); or a certain gap is reserved between the outer ends of the left flow deflector (5) and the right flow deflector (6) and the inner wall of the heat absorption pipe (1).
2. A heat exchanger with a flow directing downcomer localized superheat boiling noise device as claimed in claim 1 wherein: the heat absorption pipe (1) is a flat pipe with a waist-shaped cross section, the upper side edge of the sound absorption plate (3) is fixedly connected with a waist-shaped semicircular arc wall corresponding to the heat absorption pipe (1), the lower side edge of the sound absorption plate is a free end edge, and the upper and lower width of the sound absorption plate (3) is greater than or equal to 1/3 of the maximum length of an inner hole of the heat absorption pipe (1).
3. A heat exchanger with a flow directing downcomer localized superheat boiling noise device as claimed in claim 2, wherein: the upper side edge of the sound-absorbing plate (3) is inwards bent to form an arc-shaped flanging (7), and the structure of the arc-shaped flanging (7) corresponds to the waist-shaped semicircular arc wall corresponding to the heat absorbing pipe (1).
4. A heat exchanger with a flow directing downcomer localized superheat boiling noise device as claimed in claim 1 wherein: the sound-absorbing plate (3) is made of stainless steel materials.
5. A heat exchanger with a flow directing downcomer localized superheat boiling noise device as claimed in claim 1 wherein: the left flow deflector (5) and the right flow deflector (6) respectively comprise inclined parts (8) which are obliquely arranged, the inner side walls of the inclined parts (8) are fixed on the corresponding side walls of the flow guide windows (4), and the outer side walls of the inclined parts are fixedly connected with advection parts (9) which are parallel to the silencing plates (3).
6. A heat exchanger with a flow directing downcomer localized superheat boiling noise device as claimed in claim 5 wherein: an overflowing notch (10) is formed in the joint of the inclined part (8) and the drainage window (4).
7. A heat exchanger with a flow directing downcomer localized superheat boiling noise device as claimed in claim 5 wherein: the inclination angle (beta) of the inclined part is 10-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122677204.7U CN215984121U (en) | 2021-10-28 | 2021-10-28 | Heat exchanger with device for guiding and reducing local overheating boiling noise of water flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122677204.7U CN215984121U (en) | 2021-10-28 | 2021-10-28 | Heat exchanger with device for guiding and reducing local overheating boiling noise of water flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215984121U true CN215984121U (en) | 2022-03-08 |
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ID=80572922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122677204.7U Active CN215984121U (en) | 2021-10-28 | 2021-10-28 | Heat exchanger with device for guiding and reducing local overheating boiling noise of water flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215984121U (en) |
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2021
- 2021-10-28 CN CN202122677204.7U patent/CN215984121U/en active Active
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