CN202792545U - A gas water heater with a waste heat recovery device - Google Patents
A gas water heater with a waste heat recovery device Download PDFInfo
- Publication number
- CN202792545U CN202792545U CN201220452141.3U CN201220452141U CN202792545U CN 202792545 U CN202792545 U CN 202792545U CN 201220452141 U CN201220452141 U CN 201220452141U CN 202792545 U CN202792545 U CN 202792545U
- Authority
- CN
- China
- Prior art keywords
- heat
- waste heat
- water
- heat recovery
- heat exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000002918 waste heat Substances 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 title claims abstract description 20
- 238000002485 combustion reaction Methods 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A gas water heater with a waste heat recovery device comprises a shell, the waste heat recovery device, a heat exchanger, a smoke exhaust pipe and a fan, wherein the heat exchanger comprises a combustion chamber and a heat exchange water guide pipe arranged on the combustion chamber, one end of the heat exchange water guide pipe is a water inlet end, and the other end of the heat exchange water guide pipe is a hot water outlet end; the fan is arranged at the top of the combustion chamber; it is characterized in that: the waste heat recovery device comprises a heat exchange water tank and an air guide pipe arranged in the heat exchange water tank, wherein one end of the air guide pipe is connected with an exhaust port of the fan, and the other end of the air guide pipe is connected with a smoke exhaust pipe at the top of the shell; the heat exchange water tank is provided with a water inlet and a preheated water outlet, the water inlet is communicated with a water source, and the preheated water outlet is communicated with the water inlet end of the heat exchange water guide pipe. Due to the adoption of the structure, the flue gas with waste heat discharged by the combustion chamber enters the waste heat recovery device, the air guide pipe transmits heat to the water in the heat exchange water tank, and the flue gas is discharged after being cooled, so that the waste heat is fully utilized, and the heat efficiency is improved.
Description
Technical field
The utility model relates to various gas heaters.
Background technology
Present existing gas heater, generally comprise shell, overheavy firing chamber, combustion chamber assembly, water tank, smoke exhaust pipe and blower fan etc., during forced-ventilated gas water heater work, directly enter in atmosphere by smoke exhaust pipe the high-temperature flue gas that the combustion chamber produces by blower fan, not only can cause the water heater thermal efficiency to reduce, also waste large quantity of exhaust gas heat energy.For this situation, the utility model technology has been carried out structure optimization to the deficiency of above existence, so that gas heater reaches the purpose of energy-saving and emission-reduction.
Summary of the invention
The purpose of this utility model is: a kind of gas heater with waste heat recovery plant is provided, and it can effectively utilize the fume afterheat that discharge the combustion chamber, has improved the thermal efficiency.
The utility model is achieved in that a kind of gas heater with waste heat recovery plant, comprise shell, waste heat recovery plant, heat exchanger, smoke exhaust pipe and blower fan, described heat exchanger comprises combustion chamber and the heat exchange aqueduct that is arranged on the combustion chamber, and heat exchange aqueduct one end is that water inlet end, the other end are hot water effluent's end; Described blower fan is arranged on the top of combustion chamber; Its special character is: described waste heat recovery plant comprises heat-exchanging water tank and is installed on the interior wireway of heat-exchanging water tank, wireway one end connecting fan exhaust outlet, the smoke exhaust pipe at other end connected with outer casing top; Heat-exchanging water tank is provided with water inlet and preheating water delivery port, and water inlet is communicated with the water source, and the preheating water delivery port is communicated with the water inlet end of heat exchange aqueduct.
Described a kind of gas heater with waste heat recovery plant, its special character is: the wireway of described waste heat recovery plant has one at least, and wireway in the shape of a spiral.
Described a kind of gas heater with waste heat recovery plant, its special character is: the bottom of described heat-exchanging water tank is provided with blow-off pipe.
Described a kind of gas heater with waste heat recovery plant, its special character is: described water source is communicated with the water inlet at heat-exchanging water tank top, and heat-exchanging water tank bottom delivery port is communicated with the water inlet end of heat exchange aqueduct.
A kind of gas heater with waste heat recovery plant of the utility model is owing to adopt such structure, the flue gas that the band that discharge the combustion chamber has surplus heat, enter waste heat recovery plant, wireway is discharged the water in the heat transferred heat-exchanging water tank after the cooling, take full advantage of waste heat, improve the thermal efficiency.
Description of drawings
Fig. 1 is front view of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, a kind of gas heater with waste heat recovery plant, comprise shell, waste heat recovery plant, heat exchanger 1, smoke exhaust pipe 2 and blower fan 3, described heat exchanger 1 comprises combustion chamber 11 and the heat exchange aqueduct that is arranged on the combustion chamber 11, and heat exchange aqueduct one end is that water inlet end 121, the other end hold 122 for the hot water effluent; Described blower fan 3 is arranged on the top of combustion chamber 11; Described waste heat recovery plant comprises heat-exchanging water tank 4 and the wireway 5 that is installed in the heat-exchanging water tank 4, wireway 5 one end connecting fans 3 exhaust outlets, the smoke exhaust pipe 2 at other end connected with outer casing top; Heat-exchanging water tank 4 is provided with water inlet and preheating water delivery port, and water inlet is communicated with water source tube 6, and the preheating water delivery port is communicated with the water inlet end 121 of heat exchange aqueduct.
The wireway 5 of described waste heat recovery plant has one at least, and wireway 5 in the shape of a spiral.
The bottom of described heat-exchanging water tank 4 is provided with blow-off pipe 7.
Described water source tube 6 is communicated with the water inlet at heat-exchanging water tank 4 tops, and heat-exchanging water tank 4 bottom delivery ports are communicated with the water inlet end 121 of heat exchange aqueduct.
Described cold water inlet 6 is communicated with the water inlet at heat-exchanging water tank 4 tops, and the delivery port of heat-exchanging water tank 4 bottoms is communicated with the water inlet end 121 of heat exchange aqueduct.Adopt this spline structure, cold water from top to bottom flows, and waste gas residual heat from lower to upper motion in wireway 5, cold water and wireway mutually carry out heat and transmit exchange, thereby greatly improve the thermal efficiency, save a large amount of gas consumptions.
Above-described only is preferential embodiment of the present utility model.Should be pointed out that for the person of ordinary skill of the art in the situation that does not break away from the utility model principle, can also make some improvement and modification, this also is considered as protection domain of the present utility model.
Claims (4)
1. gas heater with waste heat recovery plant, comprise shell, waste heat recovery plant, heat exchanger, smoke exhaust pipe and blower fan, described heat exchanger comprises combustion chamber and the heat exchange aqueduct that is arranged on the combustion chamber, and heat exchange aqueduct one end is that water inlet end, the other end are hot water effluent's end; Described blower fan is arranged on the top of combustion chamber; It is characterized in that: described waste heat recovery plant comprises heat-exchanging water tank and is installed on the interior wireway of heat-exchanging water tank, wireway one end connecting fan exhaust outlet, the smoke exhaust pipe at other end connected with outer casing top; Heat-exchanging water tank is provided with water inlet and preheating water delivery port, and water inlet is communicated with the water source, and the preheating water delivery port is communicated with the water inlet end of heat exchange aqueduct.
2. a kind of gas heater with waste heat recovery plant according to claim 1, it is characterized in that: the wireway of described waste heat recovery plant has one at least, and wireway in the shape of a spiral.
3. a kind of gas heater with waste heat recovery plant according to claim 1, it is characterized in that: the bottom of described heat-exchanging water tank is provided with blow-off pipe.
4. according to claim 1,2 or 3 described a kind of gas heaters with waste heat recovery plant, it is characterized in that: described water source is communicated with the water inlet at heat-exchanging water tank top, heat-exchanging water tank bottom delivery port is communicated with the water inlet end of heat exchange aqueduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220452141.3U CN202792545U (en) | 2012-09-07 | 2012-09-07 | A gas water heater with a waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220452141.3U CN202792545U (en) | 2012-09-07 | 2012-09-07 | A gas water heater with a waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792545U true CN202792545U (en) | 2013-03-13 |
Family
ID=47819799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220452141.3U Expired - Lifetime CN202792545U (en) | 2012-09-07 | 2012-09-07 | A gas water heater with a waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438581A (en) * | 2013-08-29 | 2013-12-11 | 苏州赛斯德工程设备有限公司 | Energy-saving type gas water heater |
| CN107906756A (en) * | 2017-11-26 | 2018-04-13 | 国家电网公司 | Office Area Water heater residul-heat utilizes device |
-
2012
- 2012-09-07 CN CN201220452141.3U patent/CN202792545U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438581A (en) * | 2013-08-29 | 2013-12-11 | 苏州赛斯德工程设备有限公司 | Energy-saving type gas water heater |
| CN107906756A (en) * | 2017-11-26 | 2018-04-13 | 国家电网公司 | Office Area Water heater residul-heat utilizes device |
| CN107906756B (en) * | 2017-11-26 | 2023-04-07 | 国家电网公司 | Waste heat utilization device for water heater in office area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |