CN211650757U - Energy-saving heat exchanger for gas water heater - Google Patents
Energy-saving heat exchanger for gas water heater Download PDFInfo
- Publication number
- CN211650757U CN211650757U CN201922495537.0U CN201922495537U CN211650757U CN 211650757 U CN211650757 U CN 211650757U CN 201922495537 U CN201922495537 U CN 201922495537U CN 211650757 U CN211650757 U CN 211650757U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- pipe
- heat
- heat absorption
- absorption pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000003546 flue gas Substances 0.000 claims abstract description 74
- 238000010521 absorption reaction Methods 0.000 claims abstract description 36
- 239000007789 gas Substances 0.000 claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an energy-conserving heat exchanger for gas heater, it relates to heat exchanger technical field, and it includes casing and the inlet tube, heat absorption pipe and the outlet pipe that connect gradually, its characterized in that: the shell comprises a flue gas combustion chamber and a flue gas heat exchange chamber which are sequentially arranged from bottom to top, a heat absorption pipe is folded and wound and is positioned in the flue gas heat exchange chamber, a plurality of connecting rods are connected on the heat absorption pipe through the wall thickness of the heat absorption pipe in a threaded manner, and one end of each connecting rod extending into the heat absorption pipe is fixedly connected with an inner flow blocking sheet; the outer wall of the heat absorption pipe is also provided with a plurality of outer flow blocking sheets. The outer side wall of the flue gas combustion chamber is coiled with a square preheating pipe, and two ends of the preheating pipe are respectively communicated with the water inlet pipe and the heat absorption pipe. The utility model discloses have the circulation time of extension cold water in heat transfer pipeline, and the circulation time of extension high temperature flue gas in the flue gas heat transfer chamber, and then the heat transfer time of extension cold water and flue gas promotes the heat exchange efficiency of cold water and high temperature flue gas to promote the effect of the utilization ratio of gas resource.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger technique and specifically relates to an energy-conserving formula heat exchanger is used to gas heater.
Background
The gas water heater is also called as a gas water heater, and refers to a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water. The gas water heater mainly comprises a valve body assembly, a main burner, a small fire burner, a heat exchanger, a safety device and the like, and also comprises a flue of a flue type water heater and a forced-ventilated device of a forced-ventilated type water heater.
The heat exchanger transfers heat from fluid with higher temperature to fluid with lower temperature, so that the fluid with low temperature reaches the index specified by the flow to meet the heat exchange requirement. The heat exchanger for the existing gas water heater uses gas as fuel, and high-temperature smoke is generated by gas combustion to heat the heat exchanger, so that the temperature of cold water in the heat exchanger is raised, and cold water is gradually changed into hot water to be discharged.
The above prior art solutions have the following drawbacks: the cold water of the traditional gas water heater directly flows in the pipeline, the heat exchange time of the cold water and the flue gas is limited, and the heat exchange efficiency of the cold water and the high-temperature flue gas can be influenced, so that the waste of gas resources is easily caused.
SUMMERY OF THE UTILITY MODEL
According to the not enough of prior art existence, the utility model aims at providing a gas water heater is with energy-conserving formula heat exchanger has the circulation time of extension cold water in heat transfer pipeline, and then the heat transfer time of extension cold water and flue gas promotes the heat exchange efficiency of cold water and high temperature flue gas to promote the effect of the utilization ratio of gas resource.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an energy-conserving formula heat exchanger for gas heater, includes the casing and the inlet tube, heat absorption pipe and the outlet pipe that connect gradually, the casing includes flue gas combustion chamber and the flue gas heat transfer chamber that sets gradually by supreme down, the heat absorption pipe comes the inflection to wind and is located flue gas heat transfer chamber, the heat absorption pipe inner wall is provided with a plurality of interior baffling pieces.
Through adopting above-mentioned technical scheme, interior baffling piece is used for prolonging the circulation time of cold water in the heat transfer pipeline, can prolong the heat transfer time of cold water and high temperature flue gas, and then promotes the heat exchange efficiency of cold water and high temperature flue gas to promote the utilization ratio of gas resource.
The present invention may be further configured in a preferred embodiment as: the heat absorption pipe is in threaded connection with a plurality of connecting rods through the wall thickness of the heat absorption pipe, and one end of each connecting rod extending into the heat absorption pipe is fixedly connected with the inner flow blocking piece.
Through adopting above-mentioned technical scheme, the connecting rod is used for connecting fixed interior baffling piece, the installation and the dismantlement of interior baffling piece and heat absorption pipe of being convenient for.
The present invention may be further configured in a preferred embodiment as: one end, far away from the inner flow blocking piece, of the connecting rod is fixedly connected with an inner hexagonal screw head, and the inner hexagonal screw head is embedded in the circumferential side wall of the heat absorbing pipe.
Through adopting above-mentioned technical scheme, the hexagon socket head can be convenient for with connecting rod and whole embedding heat absorption pipe circumference lateral wall in to the heat absorption pipe circumference lateral wall of being convenient for keeps leveling.
The present invention may be further configured in a preferred embodiment as: the hexagonal socket head of interior is kept away from be provided with two at least joint holes on the hexagonal groove cell wall in one side of connecting rod, be provided with a plurality of outer baffling pieces on the heat-absorbing pipe outer wall, outer baffling piece towards hexagonal groove gomphosis in hexagonal groove one side in and with joint hole joint sets up.
Through adopting above-mentioned technical scheme, interior hexagonal spiral shell head can be through its interior hexagonal groove and joint hole erection joint outer baffling piece, and outer baffling piece is used for prolonging the circulation time of high temperature flue gas in the flue gas heat transfer chamber, can promote the heat exchange efficiency of cold water and high temperature flue gas to promote the utilization ratio of gas resource.
The present invention may be further configured in a preferred embodiment as: the connecting rod is towards hexagonal socket head one end lateral wall cover is equipped with meets water inflation sealing washer, just meet water inflation sealing washer with heat absorption tube sealing connection.
Through adopting above-mentioned technical scheme, meet water inflation sealing washer and be used for meeting water inflation when letting in cold water in the heat absorption pipe to promote the sealed between connecting rod and the heat absorption pipe, prevent that the water in the heat absorption pipe from leaking.
The present invention may be further configured in a preferred embodiment as: the outer side wall of the flue gas combustion chamber is coiled with a preheating pipe, and two ends of the preheating pipe are respectively communicated with the water inlet pipe and the heat absorption pipe.
By adopting the technical scheme, the preheating pipe is contacted with the outer wall of the flue gas combustion chamber, and the cold water in the water inlet pipe can be contacted with the flue gas combustion chamber for heat transfer before entering the heat absorption pipe along with the temperature rise in the flue gas combustion chamber, so that the heat exchange efficiency is indirectly improved, and the heat exchange time and fuel are reduced.
The present invention may be further configured in a preferred embodiment as: the preheating pipe is a square pipe.
Through adopting above-mentioned technical scheme, the preheating tube adopts square pipe can promote the area of contact with the flue gas combustion chamber lateral wall to indirect cold water's heat exchange efficiency.
The present invention may be further configured in a preferred embodiment as: the flue gas heat exchange chamber inner wall fixedly connected with keeps off the cigarette board, just keep off cigarette board one end and extend to flue gas combustion chamber top lateral wall.
Through adopting above-mentioned technical scheme, keep off the thickness that the cigarette board can increase the indoor wall of flue gas heat transfer to intercept high temperature flue gas and prevent that it from corroding the indoor wall of flue gas heat transfer, thereby prolong the life of casing under high temperature flue gas contact environment.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of the connecting rod and the inner flow blocking piece, the heat exchange time of cold water and high-temperature flue gas can be prolonged, the heat exchange efficiency of the cold water and the high-temperature flue gas is further improved, and therefore the utilization rate of gas resources is improved;
2. through the arrangement of the inner hexagonal screw head, the clamping hole and the outer flow blocking piece, the circulation time of high-temperature flue gas in the flue gas heat exchange chamber can be prolonged, the heat exchange efficiency of cold water and the high-temperature flue gas can be further improved, and the utilization rate of gas resources is improved;
3. through the setting of preheating tube, can play for cold water in the inlet pipe can contact heat transfer with the flue gas combustion chamber earlier before getting into the heat-absorbing pipe, thereby indirectly improve heat exchange efficiency, reduce the effect of heat transfer time and fuel.
Drawings
Fig. 1 is a schematic view of the overall structure of the heat exchanger in the present embodiment.
Fig. 2 is a sectional view of the heat exchanger according to the present embodiment.
Fig. 3 is a schematic view of an assembly structure of the inner baffle, the connecting rod and the outer baffle in this embodiment.
In the figure, 1, a housing; 11. a flue gas combustion chamber; 12. a flue gas heat exchange chamber 13 and a smoke exhaust pipe; 14. a smoke baffle; 2. a water inlet pipe; 21. a preheating pipe; 22. a heat absorbing tube; 23. a water outlet pipe; 3. an inner baffle plate; 31. a connecting rod; 32. an inner hexagonal screw head; 33. a clamping hole; 34. an inner hexagonal groove; 35. an outer baffle plate; 36. and a water-swelling sealing ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, the utility model discloses an energy-saving heat exchanger for gas water heater, including casing 1 and the inlet tube 2, preheating tube 21, heat absorption pipe 22 and the outlet pipe 23 that connect gradually. The shell 1 comprises a flue gas combustion chamber 11, a flue gas heat exchange chamber 12 and a smoke exhaust pipe 13 which are sequentially arranged from bottom to top, a preheating pipe 21 is wound on the outer side wall of the flue gas combustion chamber 11, a heat absorption pipe 22 is folded back and is located in the flue gas heat exchange chamber 12, a water inlet pipe 2 is located on one side of the flue gas combustion chamber 11, and a water outlet pipe 23 is located on one side of the flue gas heat exchange chamber 12.
Referring to fig. 1 and 2, cold water is introduced from one side of the water inlet pipe 2, and when passing through the preheating pipe 21, the cold water in the water inlet pipe 2 can contact with the flue gas combustion chamber 11 to transfer heat before entering the heat absorption pipe 22 along with the rise of the temperature of the flue gas in the flue gas combustion chamber 11; along with the fuel, the flue gas in the flue gas combustion chamber 11 gradually gushes into the flue gas heat exchange chamber 12, so that a large amount of high-temperature flue gas is diffused in the flue gas heat exchange chamber 12, and preheated cold water enters the heat absorption pipe 22 to exchange heat with the high-temperature flue gas; the temperature of the cold water is gradually increased to be changed into hot water, the hot water flows out from the water outlet pipe 23 to be used by people, and the flue gas after heat exchange is discharged from the smoke exhaust pipe 13 after being filtered.
Referring to fig. 1 and 2, preferably, in order to increase the contact area between the preheating pipe 21 and the side wall of the flue gas combustion chamber 11 and indirectly increase the heat exchange efficiency of the cold water, in this embodiment, the preheating pipe 21 is a square pipe, and in order to facilitate the connection between the pipes, the water inlet pipe 2, the heat absorbing pipe 22 and the water outlet pipe 23 may be square pipes. Further, in order to prevent or reduce the erosion of the inner wall of the flue gas heat exchange chamber 12 by the high-temperature flue gas, and thus prolong the service life of the casing 1 in the high-temperature flue gas contact environment, in this embodiment, the inner side wall of the flue gas heat exchange chamber 12 is welded with a smoke baffle 14, one end of the smoke baffle 14 needs to extend to the side wall of the top end of the flue gas combustion chamber 11, and the smoke baffle 14 can be made of stainless steel.
Referring to fig. 2 and 3, in order to prolong the heat exchange time of cold water and flue gas, the heat exchange efficiency of cold water and high-temperature flue gas is improved, so that the utilization rate of gas resources is improved, and a plurality of inner flow blocking pieces 3 and outer flow blocking pieces 35 are arranged on the circumferential side wall along the extending direction of the heat absorbing pipe 22 in the embodiment. The inner flow blocking sheet 3 is positioned in the heat absorbing pipe 22, the outer flow blocking sheet 35 is positioned outside the heat absorbing pipe 22, the inner flow blocking sheet 3 can prolong the circulation time of cold water in the heat exchange pipeline, and the outer flow blocking sheet 35 can prolong the circulation time of high-temperature flue gas in the flue gas heat exchange chamber 12.
Referring to fig. 2 and 3, for the convenience of installing and connecting interior baffling piece 3 and outer baffling piece 35, threaded connection has a plurality of connecting rods 31 on the circumference lateral wall of heat-absorbing pipe 22 extending direction, connecting rod 31 one end and interior baffling piece 3 welding, the other end welding has interior hexagonal spiral shell head 32, be provided with two at least joint holes 33 on the hexagonal groove 34 cell wall in one side that connecting rod 31 was kept away from to interior hexagonal spiral shell head 32, outer baffling piece 35 sets up with joint hole 33 gomphosis towards interior hexagonal groove 34 one side and interior hexagonal groove 34 gomphosis. Firstly, the inner hexagonal screw head 32 is screwed by an inner hexagonal wrench to enable the connecting rod 31 to extend into the heat absorbing pipe 22, when the inner hexagonal screw head 32 is embedded in the circumferential side wall of the heat absorbing pipe 22, screwing is stopped, and then the outer flow blocking piece 35 is placed towards one side of the inner hexagonal groove 34, so that the outer flow blocking piece 35 is fixedly connected with the inner hexagonal screw head 32. In order to prevent the water in the heat absorbing tube 22 from overflowing from the connecting rod 31, a water-swelling sealing ring 36 is sleeved on the side wall of the connecting rod 31 facing the end of the hexagon socket head 32, so that the water-swelling sealing ring 36 is hermetically connected with the heat absorbing tube 22.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a gas is energy-conserving formula heat exchanger for water heater, includes casing (1) and inlet tube (2), heat absorption pipe (22) and outlet pipe (23) that connect gradually, its characterized in that: the shell (1) comprises a flue gas combustion chamber (11) and a flue gas heat exchange chamber (12) which are sequentially arranged from bottom to top, the heat absorption pipe (22) is folded back and forth and located in the flue gas heat exchange chamber (12), and a plurality of inner flow blocking sheets (3) are arranged on the inner wall of the heat absorption pipe (22).
2. The energy-saving heat exchanger for the gas water heater as claimed in claim 1, wherein: the heat absorption pipe (22) penetrates through the wall thickness of the heat absorption pipe and is in threaded connection with a plurality of connecting rods (31), and one end, extending into the heat absorption pipe (22), of each connecting rod (31) is fixedly connected with the inner flow blocking sheet (3).
3. The energy-saving heat exchanger for a gas water heater according to claim 2, wherein: one end, far away from the inner flow blocking piece (3), of the connecting rod (31) is fixedly connected with an inner hexagonal screw head (32), and the inner hexagonal screw head (32) is embedded in the circumferential side wall of the heat absorbing pipe (22).
4. The energy-saving heat exchanger for a gas water heater according to claim 3, wherein: the heat absorption tube is characterized in that at least two clamping holes (33) are formed in the wall of an inner hexagonal groove (34) in one side, away from the connecting rod (31), of the inner hexagonal screw head (32), a plurality of outer flow blocking pieces (35) are arranged on the outer wall of the heat absorption tube (22), and the outer flow blocking pieces (35) are embedded with the inner hexagonal groove (34) towards one side of the inner hexagonal groove (34) and are clamped with the clamping holes (33).
5. The energy-saving heat exchanger for the gas water heater as claimed in claim 4, wherein: connecting rod (31) orientation interior hexagonal spiral shell head (32) one end lateral wall cover is equipped with water-swelling sealing washer (36), just water-swelling sealing washer (36) with heat absorption pipe (22) sealing connection.
6. The energy-saving heat exchanger for the gas water heater as claimed in claim 1, wherein: the outer side wall of the flue gas combustion chamber (11) is coiled with a preheating pipe (21), and two ends of the preheating pipe (21) are respectively communicated with the water inlet pipe (2) and the heat absorption pipe (22).
7. The energy-saving heat exchanger for the gas water heater as claimed in claim 6, wherein: the preheating pipe (21) is a square pipe.
8. The energy-saving heat exchanger for a gas water heater according to claim 7, wherein: the flue gas combustion chamber is characterized in that a flue gas blocking plate (14) is fixedly connected to the inner side wall of the flue gas heat exchange chamber (12), and one end of the flue gas blocking plate (14) extends to the side wall of the top end of the flue gas combustion chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495537.0U CN211650757U (en) | 2019-12-31 | 2019-12-31 | Energy-saving heat exchanger for gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495537.0U CN211650757U (en) | 2019-12-31 | 2019-12-31 | Energy-saving heat exchanger for gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211650757U true CN211650757U (en) | 2020-10-09 |
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ID=72702703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922495537.0U Expired - Fee Related CN211650757U (en) | 2019-12-31 | 2019-12-31 | Energy-saving heat exchanger for gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211650757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147196A (en) * | 2022-12-02 | 2023-05-23 | 成都科锐有色金属有限责任公司 | A high efficiency heat exchange system |
-
2019
- 2019-12-31 CN CN201922495537.0U patent/CN211650757U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147196A (en) * | 2022-12-02 | 2023-05-23 | 成都科锐有色金属有限责任公司 | A high efficiency heat exchange system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |