CN209801776U - Energy-saving gas water heater - Google Patents
Energy-saving gas water heater Download PDFInfo
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- CN209801776U CN209801776U CN201822103670.2U CN201822103670U CN209801776U CN 209801776 U CN209801776 U CN 209801776U CN 201822103670 U CN201822103670 U CN 201822103670U CN 209801776 U CN209801776 U CN 209801776U
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Abstract
the utility model provides an energy-saving gas water heater, which comprises a shell, a combustion device, a heat exchange device and a condenser, wherein the combustion device, the heat exchange device and the condenser are arranged in the shell; the heat exchange device is arranged above the combustion chamber and comprises a plurality of heat exchange sheet units, the heat exchange sheet units are provided with a plurality of rows of through holes, first air holes, second air holes and third air holes, the first air holes are arranged between the lower row of through holes, the second air holes are arranged between the upper row of through holes and the lower row of through holes, the first air holes are arranged at the lower sides of the second air holes, the diameters of the first air holes are smaller than those of the second air holes, the third air holes are positioned at two sides of the heat exchange sheet units, and the diameters of the heads of the third air holes are larger than those of the tails; the condenser is provided with an inner cavity and an outer cavity, wherein the outer cavity is provided with an air inlet, a vent hole is arranged between the inner cavity and the outer cavity, the inner cavity is provided with a first coil pipe connected with a water inlet, the outer cavity is provided with a second coil pipe, and the air inlet of the condenser is provided with a spoiler.
Description
Technical Field
the utility model relates to an energy-conserving gas heater.
Background
traditional gas heater generally adopts and absorbs the heat in burning chamber to come the increasing heat efficiency around the coil pipe outside the water tank, and this kind of structure leads to the coil pipe to be corroded fenestrate condition by the comdenstion water easily in the part area of china to appear, leads to a large amount of after-sales, and this kind of structure need adopt a large amount of copper pipes simultaneously, and most area is not covered by the coil pipe on the water tank, has leaded to a large amount of heat to run off, can not improve the thermal efficiency well, has lead to the waste of the energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an energy-saving gas water heater, which adopts the cold water inlet to preheat through secondary heat exchange in a condenser and then enters the heat exchange to exchange heat to form hot water required by a user; in the process, the peripheral wall of the combustion cavity adopts the fireproof heat-insulating layer to greatly reduce the heat loss, and the heat absorbing sheets divide the smoke and prolong the heat exchange time under the action of various air holes, so that the heat efficiency is improved.
In order to achieve the above purpose, the utility model adopts the following scheme:
an energy efficient gas water heater comprising:
A housing;
The combustion device is arranged in the shell and provided with a fire grate and a combustion chamber, the combustion chamber is arranged above the fire grate, and the peripheral wall of the combustion chamber is provided with a fireproof heat-insulating layer;
the heat exchange device is arranged above the combustion chamber, a plurality of heat exchange sheet units are arranged on the heat exchange device, the heat exchange sheet units are respectively provided with a plurality of rows of through holes, a first air hole, a second air hole and a third air hole, the first air hole is arranged between the lower row of through holes, the second air hole is arranged between the upper row of through holes and the lower row of through holes, the first air hole is arranged at the lower side of the second air hole, the diameter of the first air hole is smaller than that of the second air hole, the third air holes are positioned at two sides of the heat exchange sheet units, and the diameter of the head part of each third air hole is larger than that of the tail part;
The condenser is characterized in that one end of the condenser is communicated with a heat exchange device and is provided with an inner cavity and an outer cavity, an air inlet is formed in the outer cavity, air holes are formed between the inner cavity and the outer cavity, a first coil pipe connected with a water inlet is arranged on the inner cavity, a second coil pipe is arranged on the outer cavity, a flow blocking plate is arranged at the air inlet of the condenser, smoke enters the outer cavity from the air inlet and meets the flow blocking plate, then moves around and exchanges heat with the second coil pipe, and the smoke after heat exchange enters the inner cavity from the air holes and exchanges heat with the.
In one or more embodiments, the third air holes are inclined to the central line of the heat exchange fin unit.
In one or more embodiments, a fourth air hole is further disposed between the upper row of through holes of the heat exchange fin unit, the diameter of the upper end of the fourth air hole is larger than that of the lower end of the fourth air hole, and a plurality of second air holes are further disposed above the fourth air hole.
in one or more embodiments, one side of the through hole, the first air hole, the second air hole, the third air hole, and the fourth air hole is provided with a flange.
In one or more embodiments, the condenser is provided with a housing comprising a top cover, a bottom cover, and an enclosure wall, the top cover, the bottom cover, and the enclosure wall combining to form an outer chamber, the top cover removably connected to the enclosure wall, the bottom cover removably connected to the enclosure wall.
in one or more embodiments, the upper portion of the surrounding wall is symmetrically provided with outward protruding buckling portions, the lower portion of the surrounding wall is also symmetrically provided with outward protruding buckling portions, the buckling portions form a wedge, and the top cover and the bottom cover are both provided with hook portions matched with the buckling portions.
In one or more embodiments, the first coil and the second coil are circular tubes or oval tubes or ribbed tubes or tubes with a plurality of recesses on the inner wall.
in one or more embodiments, an aluminum silicate sheet is disposed on the peripheral wall.
Has the advantages that: the utility model provides an energy-saving gas water heater, which adopts cold water to enter a condenser to be preheated through secondary heat exchange and then enters the condenser to exchange heat to form hot water required by a user; in the process, the peripheral wall of the combustion cavity adopts the fireproof heat-insulating layer to greatly reduce the heat loss, and the heat absorbing sheets divide the smoke and prolong the heat exchange time under the action of various air holes, so that the heat efficiency is improved.
Drawings
Fig. 1 is the internal overall structure schematic diagram of the energy-saving gas water heater of the embodiment of the present invention.
Fig. 2 is a schematic view of a connection structure of a combustion chamber and a heat exchange device of the energy-saving gas water heater of the embodiment of the present invention.
Fig. 3 is the utility model discloses energy-conserving gas heater's combustion chamber and heat transfer device's split structure sketch map.
Fig. 4 is a schematic view of a connection structure of a plurality of heat exchanging fins and a water supply pipe of an energy-saving gas water heater according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a combustion chamber and a heat exchange fin of the energy-saving gas water heater according to the embodiment of the present invention.
fig. 6 is a schematic sectional structure view of a condenser of an energy-saving gas water heater according to an embodiment of the present invention.
Fig. 7 is an internal schematic structural diagram of a condenser of an energy-saving gas water heater according to an embodiment of the present invention.
Fig. 8 is a schematic diagram of a partial enlarged structure of a condenser of an energy-saving gas water heater according to an embodiment of the present invention.
Detailed Description
The application scheme is further described below with reference to the accompanying drawings:
Example (b):
Referring to fig. 1-8, an energy saving gas water heater comprises:
A housing 1;
The combustion device 2 is arranged in the shell 1, the combustion device 2 is provided with a fire grate 21 and a combustion chamber 22, the combustion chamber 22 is arranged above the fire grate 21, a fireproof heat-insulating layer 223 is arranged on the peripheral wall of the combustion chamber 22 to prevent heat in the combustion chamber 22 from radiating outwards, so that heat loss is reduced, heat efficiency is improved, a coil pipe does not need to be arranged outside the combustion chamber 22 to absorb heat, the problem of perforation and water leakage of the coil pipe of the combustion chamber due to corrosion is fundamentally avoided, and after-sale occurrence is greatly reduced and cost is saved;
the heat exchange device 3 is arranged above the combustion chamber 22, the heat exchange device 3 is provided with a plurality of heat exchange sheet units 31, the heat exchange sheet units 31 are respectively provided with a plurality of rows of through holes 311, first air holes 312, second air holes 313 and third air holes 314, water supply pipes passing through the plurality of rows of through holes 311 exchange heat with the heat exchange sheet units 31, the first air holes 312 are arranged between the through holes 311 in the lower row to reduce the unit smoke amount by first shunting smoke, reduce the unit heat exchange amount to enable the heat to be absorbed more easily, the second air holes 313 are arranged between the through holes 311 in the upper row and the through holes 311 in the lower row to shunt smoke for the second time, the first air holes 312 are arranged at the lower side of the second air holes 313, the diameter of the first air holes 312 is smaller than that of the second air holes 313 to form shunting of the second air holes 313 and reduce the speed of air flow passing through the second air holes, the third air holes 314 are positioned at two sides of the heat exchange plate unit 31 to form flow guide, the diameter of the head part of each third air hole 314 is larger than that of the tail part of each third air hole, the heat exchange plate 31 is provided with multistage air holes with the diameters increasing from bottom to top, so that flue gas is divided for multiple times, the unit flue gas amount is reduced, the heat exchange speed is improved, the flue gas speed is reduced, the flue gas heat exchange time is prolonged, the flue gas heat exchange path is prolonged, the flue gas and the heat exchange plate 31 are more thoroughly exchanged, and the heat exchange plate is also provided with trapezoidal holes 316, wherein the trapezoidal holes 316 are used for cutting the flue gas subjected to preliminary heat;
A condenser 4, one end of the condenser 4 is communicated with the heat exchanging device 3 through a motor 5, the condenser is provided with an inner cavity 41 and an outer cavity 42, the outer cavity 42 is provided with an air inlet 43, a vent hole 411 is arranged between the inner cavity 41 and the outer cavity 42, the vent hole 411 is arranged at the lower part of the inner cavity 1 and is positioned at the back side opposite to the air inlet 43, the inner cavity 1 is provided with a first coil 44 connected with the water inlet, the outer cavity 42 is provided with a second coil 45, the left side and the right side of the air inlet 43 of the condenser 4 are provided with baffles 46, flue gas enters the outer cavity 43 from the air inlet and moves to the periphery after meeting the baffles 46 and exchanges heat with the second coil 45, the flue gas after heat exchange enters the inner cavity 41 from the vent hole 411 and exchanges heat with the first coil 44, the movement path of the flue gas is changed through the arrangement of the, adopt the structure of interior exocoel and double coil pipe to improve flue gas heat absorption effect simultaneously, greatly reduced the temperature of discharging the flue gas, adopt detachable top cap 48 and bottom 49 simultaneously, improve production installation rate, convenient after-sales maintenance is the excellent quality product of money simple structure, economical and practical, energy-concerving and environment-protective.
preferably, the mixed gas forms flue gas after burning in the burning chamber 22 on the fire grate 21, the flue gas has greatly reduced thermal loss and moved to heat transfer unit 3 direction under the thermal-insulated heat preservation 223 of burning chamber 22, flue gas is shunted by multistage and prolongs heat transfer time and heat transfer route many times after passing through heat exchanger fin unit 31 of heat transfer unit 3 and makes the flue gas heat transfer more thorough, flue gas after the heat transfer is sent to condenser 4 under the effect of fan 5 and carries out the heat transfer once more simultaneously, flue gas in condenser 4 hot is discharged to the external world after the twice heat transfer of outer chamber 42 and inner chamber 41 respectively, greatly reduced the temperature of discharging the flue gas, the influence of flue gas to the environment has been reduced, greatly absorbed the heat of flue gas simultaneously, the thermal efficiency is improved, the consumption of the energy is reduced, energy conservation is environmental protection again.
Further, the third air holes 314 are angled toward the center line of the plate unit 31 to provide a guide against movement outside the flue gas heat exchanger plate unit 31.
Further, a fourth air hole 315 is further disposed between the upper row of through holes 311 of the heat exchanger plate unit 31, the diameter of the upper end of the fourth air hole 315 is larger than that of the lower end of the fourth air hole 315, and a plurality of second air holes 313 are further disposed above the fourth air hole 315 to split the flow again before the flue gas leaves, so as to further reduce the leaving speed of the flue gas.
Furthermore, one side of the through hole 311, the first air hole 312, the second air hole 313, the third air hole 314 and the fourth air hole 315 is provided with a turned-over edge to increase the contact area of the heat exchange fin unit and the flue gas and improve the heat exchange effect.
Further, the condenser 4 is provided with a housing comprising a top cover 48, a bottom cover 49 and a surrounding wall 47, the top cover 48, the bottom cover 49 and the surrounding wall 47 combining to form an outer chamber 42, the top cover 48 being detachably connected to the surrounding wall 47, the bottom cover 49 being detachably connected to the surrounding wall 47.
further, the upper portion of the surrounding wall 47 is symmetrically provided with outward protruding buckles 471, the lower portion of the surrounding wall 47 is also symmetrically provided with outward protruding buckles 471, the buckles 471 form a wedge, and the top cover 48 and the bottom cover 49 are both provided with hooks 481 matched with the buckles 471.
Further, the first coil pipe 44 and the second coil pipe 45 are circular pipes or oval pipes or ribbed pipes or pipes with a plurality of concave inner walls to increase the contact area between the water and the first coil pipe 44 and the second coil pipe 45, and improve the heat exchange effect.
Further, an aluminum silicate plate is arranged on the peripheral wall.
Preferably, the combustion chamber 22 includes a front frame 221, a rear frame 222, and a fireproof insulation layer 223, which are screwed together.
The water way structure of the gas water heater is that water enters the condenser from the water inlet pipe of the gas water heater to be preheated and then enters the heat exchange device to exchange heat with the heat exchange sheet unit to form hot water, and then flows out of the water outlet pipe to form water.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (8)
1. An energy-saving gas water heater, comprising:
A housing;
The combustion device is arranged in the shell and provided with a fire grate and a combustion chamber, the combustion chamber is arranged above the fire grate, and the peripheral wall of the combustion chamber is provided with a fireproof heat-insulating layer;
The heat exchange device is arranged above the combustion chamber, a plurality of heat exchange sheet units are arranged on the heat exchange device, the heat exchange sheet units are respectively provided with a plurality of rows of through holes, a first air hole, a second air hole and a third air hole, the first air hole is arranged between the lower row of through holes, the second air hole is arranged between the upper row of through holes and the lower row of through holes, the first air hole is arranged at the lower side of the second air hole, the diameter of the first air hole is smaller than that of the second air hole, the third air holes are positioned at two sides of the heat exchange sheet units, and the diameter of the head part of each third air hole is larger than that of the tail part;
The condenser is characterized in that one end of the condenser is communicated with a heat exchange device and is provided with an inner cavity and an outer cavity, an air inlet is formed in the outer cavity, air holes are formed between the inner cavity and the outer cavity, a first coil pipe connected with a water inlet is arranged on the inner cavity, a second coil pipe is arranged on the outer cavity, a flow blocking plate is arranged at the air inlet of the condenser, smoke enters the outer cavity from the air inlet and meets the flow blocking plate, then moves around and exchanges heat with the second coil pipe, and the smoke after heat exchange enters the inner cavity from the air holes and exchanges heat with the.
2. The energy saving gas water heater of claim 1, wherein the third air hole is inclined to the central line of the heat exchange fin unit.
3. the energy-saving gas water heater according to claim 1, wherein a fourth air hole is further arranged between the upper row of through holes of the heat exchanging plate unit, the diameter of the upper end of the fourth air hole is larger than that of the lower end of the fourth air hole, and a plurality of second air holes are further arranged above the fourth air hole.
4. an energy-saving gas water heater according to claim 3, wherein one side of the through hole, the first air hole, the second air hole, the third air hole and the fourth air hole is provided with a flange.
5. An energy efficient gas water heater as claimed in claim 1 wherein the condenser is provided with a housing comprising a top cover, a bottom cover and an enclosure wall, the top cover, bottom cover and enclosure wall combining to form an outer chamber, the top cover being removably connected to the enclosure wall and the bottom cover being removably connected to the enclosure wall.
6. An energy-saving gas water heater according to claim 5, wherein the upper part of the surrounding wall is symmetrically provided with outward protruding buckling parts, the lower part of the surrounding wall is also symmetrically provided with outward protruding buckling parts, the buckling parts form wedge blocks, and the top cover and the bottom cover are both provided with hook parts matched with the buckling parts.
7. The energy saving gas water heater of claim 1, wherein the first coil and the second coil are circular tubes or oval tubes or ribbed tubes or tubes with a plurality of depressions on the inner wall.
8. an energy saving gas water heater according to claim 1, wherein aluminum silicate plates are provided on said peripheral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103670.2U CN209801776U (en) | 2018-12-14 | 2018-12-14 | Energy-saving gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103670.2U CN209801776U (en) | 2018-12-14 | 2018-12-14 | Energy-saving gas water heater |
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| Publication Number | Publication Date |
|---|---|
| CN209801776U true CN209801776U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822103670.2U Active CN209801776U (en) | 2018-12-14 | 2018-12-14 | Energy-saving gas water heater |
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| Country | Link |
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| CN (1) | CN209801776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469978A (en) * | 2018-12-14 | 2019-03-15 | 中山市广行厨房电器有限公司 | A kind of energy saving gas burning water heater |
-
2018
- 2018-12-14 CN CN201822103670.2U patent/CN209801776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469978A (en) * | 2018-12-14 | 2019-03-15 | 中山市广行厨房电器有限公司 | A kind of energy saving gas burning water heater |
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