CN217057965U - Stainless steel heat exchanger and gas water heater - Google Patents
Stainless steel heat exchanger and gas water heater Download PDFInfo
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- CN217057965U CN217057965U CN202220644624.7U CN202220644624U CN217057965U CN 217057965 U CN217057965 U CN 217057965U CN 202220644624 U CN202220644624 U CN 202220644624U CN 217057965 U CN217057965 U CN 217057965U
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- heat exchange
- stainless steel
- water
- heat exchanger
- steel heat
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Abstract
The utility model provides a stainless steel heat exchanger and gas heater, stainless steel heat exchanger include a plurality of heat exchange tubes and a plurality of elbow joint, utilize the elbow joint to connect a plurality of heat exchange tubes and form one-way conduction's runner, the runner open end is intake end and play water end respectively, stainless steel heat exchanger still includes the bypass pipe, the one end of bypass pipe with play water end intercommunication, the other end of bypass pipe with intake end intercommunication, the bypass pipe is used for directly leading partial intaking to a water end, reduces the interior water flow of runner to make the temperature in the heat exchange tube rise, heat exchange tube wall temperature is higher than dew point temperature and prevents that heat transfer in-process heat exchange tube surface from producing the comdenstion water, and intake and play water is mixed moreover, can reduce the leaving water temperature, prevents that the leaving water temperature is too high.
Description
Technical Field
The utility model relates to a heat exchanger technical field especially relates to stainless steel heat exchanger and gas heater.
Background
The stainless steel heat exchanger has the characteristics of corrosion resistance and scale resistance, does not influence the water quality flowing through the gas water heater, is more suitable for running on small fire in a long-term preheating state, and has lower production cost compared with a heat exchanger made of phosphorus deoxidized copper.
When the existing gas water heater works under the severe working conditions of combustion in a small load state, low heating water outlet temperature and high air humidity, condensate water can be generated and easily corrodes a heat exchanger, and the combustion performance of a combustor can be influenced by the low falling of the precipitated condensate water; the existing heat exchanger has the defects of large volume, high production and manufacturing cost, low heat utilization efficiency of flue gas and high energy consumption of the gas water heater.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a stainless steel heat exchanger and gas heater.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a stainless steel heat exchanger, including a plurality of heat exchange tubes and a plurality of elbow joint, the heat exchange tube is made by stainless steel material, and is a plurality of the heat exchange tube passes through elbow joint connects the runner that forms one-way conduction, the runner open end is intake end and play water end respectively, stainless steel heat exchanger still includes the bypass pipe, the one end of bypass pipe with go out the water end intercommunication, the other end of bypass pipe with it communicates to intake the water end, the bypass pipe is used for leading partial water inflow directly to go out the water end to make the interior water temperature of runner rise and/or the leaving water temperature of play water end reduce.
In this scheme, utilize the elbow joint to connect a plurality of heat exchange tubes and form one-way conduction's runner to set up the intercommunication end of intaking with the bypass pipe of play water end, directly draw partial intaking to a water end, reduce the interior water flow of runner, thereby make the temperature of heat exchange tube rise, heat exchange tube wall temperature is higher than dew point temperature and prevents that heat exchange tube surface in the heat transfer process from producing the comdenstion water, and the intaking mixes with the play water moreover, can reduce leaving water temperature, prevents that leaving water temperature is too high.
Preferably, the heat exchange tubes are arranged in layers, the ends of the heat exchange tubes in each layer are communicated with each other through the elbow joints to form flow channel sections, and the flow channel sections in two adjacent layers are communicated through the elbow joints to form the flow channels.
In this scheme, set up the heat exchange tube layering, every layer sets up a plurality of heat exchange tubes, can effectively improve space utilization, reduces the volume of heat exchanger, and two-layer heat transfer passageway also communicates through the elbow joint, makes the heat exchange pipe form one-way runner that switches on.
Preferably, the water inlet end is arranged on one side close to the heat source, and the water outlet end is arranged on the upper part of the water inlet end.
In the scheme, the water inlet end is arranged on one side close to the heat source, the water outlet end is arranged on the upper portion of the water inlet end, a structure that the water enters from bottom to top is formed, the heat source exchanges heat with the heat exchange tube connected with the cold water tube end firstly and then exchanges heat with the heat exchange tube connected with the water outlet end, and the heat exchange efficiency of the stainless steel heat exchanger is improved.
Preferably, the stainless steel heat exchanger further comprises a frame body, wherein a plurality of mounting holes are formed in two ends of the frame body, and the mounting holes are matched with the heat exchange tubes and used for mounting the heat exchange tubes.
In this scheme, set up the framework, set up the mounting hole at framework both ends, set up the heat exchange tube and realize that the heat exchange tube is fixed and utilize the shell frame to protect the heat exchange tube in the shell frame is internal.
Preferably, the frame body comprises a shell and a flange, an extending edge matched with the flange surface is arranged on the surface of the shell, and the flange is fixed on the extending edge.
In this scheme, set up the flange on the shell and increase the intensity of casing, set up on the surface of shell with flange face matched with extends the limit, additionally increases fixed connection position.
Preferably, the elbow connector is made of stainless steel.
In the scheme, the elbow joint is made of stainless steel, and has the advantages of smooth surface, good corrosion resistance and good reliability.
Preferably, the elbow connector is welded with the heat exchange tube, the middle part of the heat exchange tube is positioned in the shell, and the end part of the heat exchange tube extends out of the shell and is welded with the elbow connector.
In this scheme, with the elbow connector with the weld part setting of heat exchange tube is in the framework outside can conveniently weld, and in subsequent messenger or course of working appear the welding badly or the problem of leaking can in time discover and conveniently weld, avoid the water phenomenon of making an uproar to take place.
Preferably, the heat exchange tube is a finned tube or a fin structure is arranged on the heat exchange tube.
In the scheme, the finned tube is adopted or the fin structure is arranged on the surface of the heat exchange tube, so that the contact area between the heat exchange tube and a heat source can be increased, and the heat exchange effect of the heat exchange tube and the heat source is improved.
Preferably, the water inlet end and the water outlet end are both located outside the frame body, and the water inlet end and the water outlet end are respectively connected with a water inlet pipe and a water outlet pipe.
In this scheme, connect inlet tube and outlet pipe respectively the end of intaking with the play water end, through inlet tube and outlet pipe with stainless steel heat exchanger and other structural connection.
The utility model also provides a gas heater, this gas heater includes aforementioned stainless steel heat exchanger.
The utility model discloses an actively advance the effect and lie in: the stainless steel heat exchanger comprises a plurality of heat exchange tubes and a plurality of elbow joints, the elbow joints are used for connecting the heat exchange tubes to form a one-way conduction flow channel, the open ends of the flow channel are respectively a water inlet end and a water outlet end, the stainless steel heat exchanger further comprises a bypass tube, one end of the bypass tube is communicated with the water outlet end, the other end of the bypass tube is communicated with the water inlet end, the bypass tube is used for directly guiding part of inlet water to the water outlet end to reduce the water flow in the flow channel, so that the water temperature in the heat exchange tubes is increased, the temperature of the wall of the heat exchange tubes is higher than the dew point temperature to prevent the surface of the heat exchange tubes from generating condensate water in the heat exchange process, and the inlet water and the outlet water are mixed, so that the temperature of the outlet water can be reduced, and the temperature of the outlet water is prevented from being too high.
Drawings
Fig. 1 is a schematic structural diagram of a stainless steel heat exchanger according to an embodiment of the present invention.
Fig. 2 is an exploded view of a stainless steel heat exchanger according to another embodiment of the present invention.
Description of the reference numerals
Elbow joint 2
Water inlet end 3
Water outlet end 4
Frame body 6
Water outlet pipe 9
Detailed Description
The present invention will be more clearly and completely described with reference to the following preferred embodiments and accompanying fig. 1-2.
As shown in fig. 1-2, the utility model provides a stainless steel heat exchanger, including a plurality of heat exchange tubes 1 and a plurality of elbow joint 2, heat exchange tube 1 is made by stainless steel material, a plurality of heat exchange tubes 1 connect through elbow joint 2 and form one-way conduction's runner, the runner open end is intake end 3 and play water end 4 respectively, stainless steel heat exchanger still includes bypass pipe 5, the one end and the play water end 4 intercommunication of bypass pipe 5, the other end and the intake end 3 intercommunication of bypass pipe 5, bypass pipe 5 is used for leading part into water directly to play water end 4, make the interior water temperature of runner rise and/or the leaving water temperature of play water end 4 reduces. Utilize elbow connector 2 to connect a plurality of heat exchange tubes 1 and form one-way runner that switches on, and set up the bypass pipe 5 that feeds through into water end 3 and play water end 4, direct leading partial intaking to play water end 4, reduce the interior water flow of runner, thereby make the temperature of heat exchange tube 1 interior rise, heat exchange tube 1 wall temperature is higher than dew point temperature and prevents that heat exchange tube 1 surface in-process from producing the comdenstion water, and intake and play water mix, can also be when outlet pipe 9 temperature is higher, reduce the leaving water temperature, prevent that the leaving water temperature is too high, satisfy user's demand.
As shown in fig. 1, a plurality of heat exchange tubes 1 are arranged in layers, the ends of the heat exchange tubes 1 in each layer are communicated with each other through elbow joints 2 to form flow channel sections, and the flow channel sections of two adjacent layers are communicated with each other through the elbow joints 2 to form flow channels. The heat exchange tubes 1 are arranged in layers, and each layer is provided with the heat exchange tubes 1, so that the space utilization rate can be effectively improved, the volume of the heat exchanger is reduced, and the two layers of heat exchange channels are also communicated through the bent connectors 2, so that the heat exchange tubes 1 form one-way conduction runners. It arranges to show in figure 1 that heat exchange tube 1 is two-layer about going up, and wherein 4 heat exchange tubes 1 are arranged respectively to upper strata and lower floor, and the tip of the heat exchange tube 1 that the lower floor was arranged forms the runner section that is located the lower floor through two liang of intercommunications of elbow connector 2, and the heat exchange tube 1 on same upper strata also forms the runner section that is located the upper floor through elbow connector 2 intercommunication, and the runner section of lower floor passes through the runner section on elbow connector 2 intercommunication upper strata, forms the runner, but the utility model discloses arranging of heat exchange tube 1 is not restricted to and upper and lower two-layer arranging, can arrange as required for the structure of arranging on other quantity layers, and every layer of heat exchange tube 1's quantity also can be selected according to actual need and is not restricted to 4.
Preferably, the water inlet end 3 is disposed at a side close to the heat source, and the water outlet end 4 is disposed at an upper portion of the water inlet end 3. The water inlet end 3 is arranged on one side close to the heat source, the water outlet end 4 is arranged on the upper portion of the water inlet end 3, a structure that the water enters from bottom to top is formed, the heat source firstly exchanges heat with the heat exchange tube 1 connected with the cold water tube end and then exchanges heat with the heat exchange tube 1 connected with the water outlet end 4, and the heat exchange efficiency of the stainless steel heat exchanger is improved.
As shown in fig. 2, the stainless steel heat exchanger further includes a frame 6, wherein a plurality of mounting holes 61 are disposed at two ends of the frame 6, and the mounting holes 61 are matched with the heat exchange tube 1 for mounting the heat exchange tube 1. The heat exchange tube 1 is fixed by arranging the frame body 6, arranging the mounting holes 61 at two ends of the frame body 6 and arranging the heat exchange tube 1 in the frame body of the shell 62, and protecting the heat exchange tube 1 by utilizing the frame of the shell 62.
As shown in fig. 2, the frame 6 includes a housing 62 and a flange 63, wherein an extension 64 is disposed on a surface of the housing 62 to be engaged with a surface of the flange 63, and the flange 63 is fixed to the extension 64. The flange 63 is arranged on the shell 62 to increase the strength of the shell, and the extension edge 64 matched with the flange 63 is arranged on the surface of the shell 62 to additionally increase the fixed connection position. As shown in fig. 2, the present embodiment provides that the upper surface and the lower surface of the housing 62 are provided with extension sides 64 for fitting the upper flange 63 and the lower flange 63, respectively, and the extension sides 64 are provided with coupling holes for coupling the flanges 63.
The elbow connector 2 is made of stainless steel. The elbow connector 2 made of stainless steel has smooth surface, good corrosion resistance and high reliability.
The elbow connector 2 is welded with the heat exchange tube 1, the middle part of the heat exchange tube 1 is positioned in the shell 62, and the end part of the heat exchange tube 1 extends out of the shell 62 and is welded with the elbow connector 2. The welding part of the elbow joint 2 and the heat exchange tube 1 is arranged outside the frame body 6, so that the welding can be conveniently carried out, the problem of poor welding or water leakage in the subsequent process or the machining process can be timely found and conveniently welded, and the water noise phenomenon is avoided.
As shown in fig. 1, the heat exchange tube 1 is provided with fins 7, but fins 7 may be used in other embodiments. The contact area between the heat exchange tube 1 and a heat source can be increased by adopting the fin 7 tube or arranging the fin 7 structure on the surface of the heat exchange tube 1, so that the heat exchange effect between the heat exchange tube 1 and the heat source is improved.
The water inlet end 3 and the water outlet end 4 are positioned outside the frame body 6, and the water inlet end 3 and the water outlet end 4 are respectively connected with a water inlet pipe 8 and a water outlet pipe 9. The water inlet pipe 8 and the water outlet pipe 9 are respectively connected with the water inlet end 3 and the water outlet end 4, and the stainless steel heat exchanger is connected with other structures through the water inlet pipe 8 and the water outlet pipe 9.
It should be noted that, as shown in fig. 1 and fig. 2, in a preferred embodiment, the water inlet end and the water outlet end correspond to the ends of two heat exchange tubes 1, the two heat exchange tubes 1 are located at the upper and lower layers, respectively, and are disposed opposite to each other, and a bypass tube 5 is connected to the outer side walls of the two heat exchange tubes 1.
The utility model also provides a gas water heater, this gas water heater include aforementioned stainless steel heat exchanger.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A stainless steel heat exchanger comprises a plurality of heat exchange tubes and a plurality of elbow joints, wherein the heat exchange tubes are made of stainless steel materials, the heat exchange tubes are connected through the elbow joints to form a one-way flow channel, the open ends of the flow channel are respectively a water inlet end and a water outlet end, and the stainless steel heat exchanger is characterized in that,
the stainless steel heat exchanger further comprises a bypass pipe, one end of the bypass pipe is communicated with the water outlet end, the other end of the bypass pipe is communicated with the water inlet end, and the bypass pipe is used for leading part of inlet water to the water outlet end directly so as to enable the temperature of water in the flow channel to be increased and/or the temperature of outlet water at the water outlet end to be reduced.
2. The stainless steel heat exchanger according to claim 1, wherein a plurality of the heat exchange tubes are arranged in layers, ends of the heat exchange tubes in each layer are communicated with each other through the elbow joints to form flow channel sections, and the flow channel sections in adjacent two layers are communicated through the elbow joints to form the flow channels.
3. The stainless steel heat exchanger of claim 2, wherein the water inlet end is disposed at a side close to the heat source, and the water outlet end is located at an upper portion of the water inlet end.
4. The stainless steel heat exchanger of claim 2, further comprising a frame body, wherein a plurality of mounting holes are arranged at two ends of the frame body, and the mounting holes are matched with the heat exchange tubes for mounting the heat exchange tubes.
5. The stainless steel heat exchanger of claim 4, wherein the frame body comprises a shell and a flange, the surface of the shell is provided with an extending edge matched with the flange, and the flange is fixed on the extending edge.
6. The stainless steel heat exchanger of claim 1, wherein the elbow joint is formed of stainless steel.
7. The stainless steel heat exchanger of claim 5 wherein the elbow is welded to the heat exchange tube, the heat exchange tube having a central portion within the housing and end portions extending beyond the housing and being welded to the elbow.
8. The stainless steel heat exchanger of claim 1, wherein the heat exchange tube is a finned tube or is provided with a fin structure.
9. The stainless steel heat exchanger of claim 5, wherein the water inlet end and the water outlet end are both located outside the frame body, and a water inlet pipe and a water outlet pipe are connected to the water inlet end and the water outlet end, respectively.
10. A gas water heater comprising a stainless steel heat exchanger according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220644624.7U CN217057965U (en) | 2022-03-22 | 2022-03-22 | Stainless steel heat exchanger and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220644624.7U CN217057965U (en) | 2022-03-22 | 2022-03-22 | Stainless steel heat exchanger and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217057965U true CN217057965U (en) | 2022-07-26 |
Family
ID=82490920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220644624.7U Active CN217057965U (en) | 2022-03-22 | 2022-03-22 | Stainless steel heat exchanger and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217057965U (en) |
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2022
- 2022-03-22 CN CN202220644624.7U patent/CN217057965U/en active Active
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