CN219913130U - Waste heat recovery device of gas boiler - Google Patents
Waste heat recovery device of gas boiler Download PDFInfo
- Publication number
- CN219913130U CN219913130U CN202321345170.4U CN202321345170U CN219913130U CN 219913130 U CN219913130 U CN 219913130U CN 202321345170 U CN202321345170 U CN 202321345170U CN 219913130 U CN219913130 U CN 219913130U
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- CN
- China
- Prior art keywords
- gas boiler
- fixedly connected
- fan
- water tank
- waste heat
- 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.)
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- 239000007789 gas Substances 0.000 title claims abstract description 62
- 239000002918 waste heat Substances 0.000 title claims abstract description 47
- 238000011084 recovery Methods 0.000 title claims abstract description 44
- 239000000779 smoke Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 238000004321 preservation Methods 0.000 claims description 42
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003517 fume Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of gas boilers and discloses a gas boiler waste heat recovery device, which comprises a gas boiler, wherein a smoke exhaust device is fixedly connected to the top of the left side of the gas boiler, a waste heat recovery mechanism is arranged on the left side of the smoke exhaust device, the smoke exhaust device comprises a smoke box, an air duct, a first fan and a first flange, the smoke box is fixedly connected to the top of the left side of the gas boiler and communicated with the inside of the gas boiler, the air duct is fixedly connected to the front surface of the bottom of the smoke box, the top of an air inlet of the first fan is fixedly connected to the bottom of the air duct, the first flange is fixedly connected to the left side of an air outlet of the first fan, the waste heat recovery mechanism comprises a heat exchange unit, a smoke exhaust unit and a moving unit, and the heat exchange unit is arranged on the left side of the first fan. The gas boiler waste heat recovery device discharges smoke from the gas boiler to the cooling smoke from the chimney, and long pipelines are avoided in the middle, so that the loss of smoke heat is avoided, and the waste heat recovery effect is improved.
Description
Technical Field
The utility model relates to the technical field of gas boilers, in particular to a gas boiler waste heat recovery device.
Background
The gas boiler is the most economical as the fuel is the gas boiler, and the gas boiler, the oil boiler and the electric boiler are compared, so most people choose the gas boiler as the boiler equipment for steam, heating and bathing.
The waste heat recovery device of the gas boiler comprises a gas boiler, a shell-and-tube heat exchanger, a chimney and a water supplementing tank, wherein the publication number of the waste heat recovery device is CN 207540398U; an exhaust pipe is arranged at the top of the gas boiler, surrounds the bottom of the gas boiler downwards around the side wall of the gas boiler, and is connected to a hot gas inlet of the shell-and-tube heat exchanger; a hot gas outlet of the shell-and-tube heat exchanger is connected with a chimney; the lower part of the water supplementing tank is connected to a cold fluid inlet of the shell-and-tube heat exchanger through a pipeline, and a circulating pump is arranged in the pipeline; and a cold fluid outlet of the shell-and-tube heat exchanger is connected to the bottom of the gas boiler through a pipeline. The gas boiler waste heat recovery device is simple in structure and high in pertinence, and meanwhile the problem of gas boiler waste heat recovery can be effectively solved.
Above-mentioned gas boiler waste heat recovery device needs to arrange longer flue and connects, consequently causes more heat consumption in the fume extraction in-process easily, reduces heat recovery's effect, can improve to this problem.
Disclosure of Invention
The utility model aims to provide a waste heat recovery device of a gas boiler, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gas boiler waste heat recovery device, includes gas boiler, gas boiler left side top fixedly connected with fume extractor, fume extractor left side is provided with waste heat recovery mechanism.
The smoke exhaust device comprises a smoke box, an air duct, a first fan and a first flange, wherein the smoke box is fixedly connected to the left top of the gas boiler and is communicated with the inside of the gas boiler, the air duct is fixedly connected to the front surface of the bottom of the smoke box, the top of an air inlet of the first fan is fixedly connected to the bottom of the air duct, and the first flange is fixedly connected to the left side of an air outlet of the first fan.
Preferably, the waste heat recovery mechanism comprises a heat exchange unit, a smoke exhaust unit and a moving unit, wherein the heat exchange unit is arranged on the left side of the fan, the smoke exhaust unit is arranged on the left side of the top of the heat exchange unit, and the moving unit is arranged at the bottom of the waste heat recovery mechanism.
Preferably, the heat exchange unit comprises a heat preservation water tank, a water inlet pipe, a water outlet pipe, a taper pipe and a heat exchange pipe, wherein the heat preservation water tank is arranged on the left side of the gas boiler, the water inlet pipe is fixedly connected to the top of the left side of the heat preservation water tank, the water outlet pipe is fixedly connected to the bottom of the left side of the heat preservation water tank, the taper pipe is fixedly connected to the front of the top of the right side of the heat preservation water tank, and the heat exchange pipe is fixedly connected to the inner wall of the heat preservation water tank.
Preferably, the smoke exhaust unit comprises a fan II, a flange II and a chimney, wherein the fan II is fixedly connected to the front left side of the top of the heat preservation water tank, the flange II is fixedly connected to the top of an air outlet of the fan II, and the chimney is fixedly connected to the top of the flange II.
Preferably, the mobile unit comprises universal wheels and telescopic ground feet, wherein the universal wheels are fixedly connected to four corners of the bottom of the heat preservation water tank, and the telescopic ground feet are fixedly connected to four corners of the bottom of the heat preservation water tank so that the heat preservation water tank can be moved and fixed.
Preferably, the air duct, the first fan and the flange are provided with two groups altogether and are respectively positioned on the front side and the back side of the bottom of the smoke box, the taper pipes are provided with two groups altogether and are respectively positioned on the front side and the back side of the right side of the heat preservation water tank, the heat exchange pipes are provided with two groups altogether and are respectively positioned on the front side and the back side of the inside of the heat preservation water tank, the second fan, the second flange and the chimney are provided with two groups altogether and are respectively positioned on the front side and the back side of the left side of the top of the heat preservation water tank, the bottom of the air inlet of the second fan is communicated with the top end of the heat exchange pipe, and the right end of the heat exchange pipe is communicated with the left side of the taper pipes, so that flue gas is discharged in a double-channel mode, and the efficiency of waste heat recovery is convenient to increase.
Preferably, the heat exchange tubes are distributed in a serpentine shape so as to increase the heat exchange area and improve the heat exchange efficiency.
Compared with the prior art, the utility model provides a gas boiler waste heat recovery device, which has the following beneficial effects:
1. the gas boiler waste heat recovery device discharges smoke from the gas boiler to the cooling smoke from the chimney, and long pipelines are avoided in the middle, so that the loss of smoke heat is avoided, and the waste heat recovery effect is improved.
2. The gas boiler waste heat recovery device is connected to the smoke exhaust device of the gas boiler through the flange, and the gas boiler waste heat recovery device can be assembled, disassembled and transported by the mobile unit matched with the waste heat recovery mechanism, so that the gas boiler waste heat recovery device is high in practicability and flexibility.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
FIG. 2 is a schematic view of the internal front structure of the insulated water tank of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
fig. 4 is an enlarged schematic view of the structure at B in fig. 2.
In the figure: 1. a gas-fired boiler; 2. a smoke exhausting device; 201. a smoke box; 202. an air duct; 203. a first fan; 204. a first flange; 3. a waste heat recovery mechanism; 301. a heat preservation water tank; 302. a water inlet pipe; 303. a water outlet pipe; 304. a taper pipe; 305. a heat exchange tube; 306. a second fan; 307. a second flange; 308. a chimney; 309. a universal wheel; 310. and (5) telescoping the ground feet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a gas boiler waste heat recovery device, including gas boiler 1, gas boiler 1 left side top fixedly connected with fume extractor 2, fume extractor 2 includes smoke box 201, wind channel 202, fan one 203 and flange one 204, smoke box 201 fixed connection is in gas boiler 1 left side top and communicate inside gas boiler 1, wind channel 202 fixed connection is positive in smoke box 201 bottom, the air intake top fixed connection of fan one 203 is in wind channel 202 bottom, flange one 204 fixed connection is in the air outlet left side of fan one 203.
The left side of fume extractor 2 is provided with waste heat recovery mechanism 3, waste heat recovery mechanism 3 includes heat transfer unit, fume extractor unit and mobile unit, heat transfer unit installs in fan one 203 left side, heat transfer unit includes heat preservation water tank 301, inlet tube 302, outlet pipe 303, taper pipe 304 and heat exchange tube 305, heat preservation water tank 301 sets up in gas boiler 1 left side, inlet tube 302 fixed connection is at heat preservation water tank 301 left side top, outlet pipe 303 fixed connection is at heat preservation water tank 301 left side bottom, taper pipe 304 fixed connection is positive at heat preservation water tank 301 right side top, heat exchange tube 305 fixed connection is at heat preservation water tank 301 inner wall, heat exchange tube 305 is serpentine distribution, so as to increase heat transfer area, thereby improve heat exchange efficiency.
The smoke exhaust unit is arranged on the left side of the top of the heat exchange unit, the smoke exhaust unit comprises a second fan 306, a second flange 307 and a chimney 308, the second fan 306 is fixedly connected to the front side of the left side of the top of the heat preservation water tank 301, the second flange 307 is fixedly connected to the top of an air outlet of the second fan 306, the chimney 308 is fixedly connected to the top of the second flange 307, two groups of air channels 202, the first fan 203 and the first flange 204 are arranged on the front side and the back side of the bottom of the smoke box 201 respectively, two groups of taper pipes 304 are arranged on the front side and the back side of the right side of the heat preservation water tank 301 respectively, the heat exchange pipes 305 are arranged on the front side and the back side of the heat preservation water tank 301 respectively, the second fan 306, the second flange 307 and the chimney 308 are arranged on the front side and the back side of the top of the heat preservation water tank 301 respectively, the bottom of an air inlet of the second fan 306 is communicated to the top of the heat exchange pipe 305, and the right end of the heat exchange pipe 305 is communicated to the left side of the taper pipe 304 so that smoke is divided into two channels to be discharged, the waste heat recovery efficiency is increased, the waste heat is conveniently discharged from the gas boiler 1 to the cooling chimney 308, the waste heat is avoided in the middle, the waste heat is avoided, and the waste heat is further improved.
The mobile unit sets up in waste heat recovery mechanism 3 bottom, and the mobile unit includes universal wheel 309 and flexible lower margin 310, and universal wheel 309 fixed connection is in heat preservation water tank 301 bottom four corners, and flexible lower margin 310 fixed connection is in heat preservation water tank 301 bottom four corners to heat preservation water tank 301 can remove and fix, because install through flange one 204 and connect on gas boiler 1's fume extractor 2, the mobile unit of cooperation waste heat recovery mechanism 3 can load and unload and transport, and practicality and flexibility are all higher.
In the actual operation process, when the device is used, the heat preservation water tank 301 is moved to the left side of the smoke box 201 through the universal wheels 309, the heat preservation water tank is fixed through the telescopic ground feet 310 after being aligned, the taper pipe 304 is installed on the air outlet of the first fan 203 through the first flange 204, under the action of the first fan 203, the fuel smoke of the gas boiler 1 enters the smoke box 201 and is discharged into the taper pipe 304 through the first fan 203 in a drainage way, then enters the heat exchange pipe 305, the heat preservation water tank 301 is filled with cold water in advance, when the smoke passes through the heat exchange pipe 305 with double channels, heat is fully exchanged for the cold water, the cooled smoke is discharged through the second fan 306 and is discharged to the outside air through the chimney 308, and the environment protection is facilitated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (7)
1. The utility model provides a gas boiler waste heat recovery device, includes gas boiler (1), its characterized in that: the top of the left side of the gas boiler (1) is fixedly connected with a smoke exhaust device (2), and a waste heat recovery mechanism (3) is arranged on the left side of the smoke exhaust device (2);
the smoke exhaust device (2) comprises a smoke box (201), an air duct (202), a first fan (203) and a first flange (204), wherein the smoke box (201) is fixedly connected to the left top of the gas boiler (1) and is communicated with the inside of the gas boiler (1), the air duct (202) is fixedly connected to the front surface of the bottom of the smoke box (201), the top of an air inlet of the first fan (203) is fixedly connected to the bottom of the air duct (202), and the first flange (204) is fixedly connected to the left side of an air outlet of the first fan (203).
2. The gas boiler waste heat recovery device according to claim 1, wherein: the waste heat recovery mechanism (3) comprises a heat exchange unit, a smoke exhaust unit and a moving unit, wherein the heat exchange unit is arranged on the left side of the first fan (203), the smoke exhaust unit is arranged on the left side of the top of the heat exchange unit, and the moving unit is arranged at the bottom of the waste heat recovery mechanism (3).
3. The gas boiler waste heat recovery device according to claim 2, wherein: the heat exchange unit comprises a heat preservation water tank (301), a water inlet pipe (302), a water outlet pipe (303), a taper pipe (304) and a heat exchange pipe (305), wherein the heat preservation water tank (301) is arranged on the left side of the gas boiler (1), the water inlet pipe (302) is fixedly connected to the left top of the heat preservation water tank (301), the water outlet pipe (303) is fixedly connected to the left bottom of the heat preservation water tank (301), the taper pipe (304) is fixedly connected to the right top of the heat preservation water tank (301) and the heat exchange pipe (305) is fixedly connected to the inner wall of the heat preservation water tank (301).
4. A gas boiler waste heat recovery apparatus according to claim 3, wherein: the smoke exhaust unit comprises a second fan (306), a second flange (307) and a chimney (308), wherein the second fan (306) is fixedly connected to the front left side of the top of the heat preservation water tank (301), the second flange (307) is fixedly connected to the top of an air outlet of the second fan (306), and the chimney (308) is fixedly connected to the top of the second flange (307).
5. The gas boiler waste heat recovery device according to claim 4, wherein: the mobile unit comprises universal wheels (309) and telescopic ground feet (310), wherein the universal wheels (309) are fixedly connected to four corners at the bottom of the heat preservation water tank (301), and the telescopic ground feet (310) are fixedly connected to four corners at the bottom of the heat preservation water tank (301).
6. The gas boiler waste heat recovery device according to claim 5, wherein: the air flue (202), the first fan (203) and the first flange (204) are provided with two groups, and are respectively located on the front side and the back side of the bottom of the smoke box (201), the taper pipe (304) is provided with two groups, and is respectively located on the front side and the back side of the right side of the heat preservation water tank (301), the heat exchange pipe (305) is provided with two groups, and is respectively located on the front side and the back side of the inside of the heat preservation water tank (301), the second fan (306), the second flange (307) and the chimney (308) are provided with two groups, and are respectively located on the front side and the back side of the left side of the top of the heat preservation water tank (301), the bottom of an air inlet of the second fan (306) is communicated with the top end of the heat exchange pipe (305), and the right end of the heat exchange pipe (305) is communicated with the left side of the taper pipe (304).
7. The gas boiler waste heat recovery device according to claim 5, wherein: the heat exchange tubes (305) are distributed in a serpentine shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321345170.4U CN219913130U (en) | 2023-05-30 | 2023-05-30 | Waste heat recovery device of gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321345170.4U CN219913130U (en) | 2023-05-30 | 2023-05-30 | Waste heat recovery device of gas boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219913130U true CN219913130U (en) | 2023-10-27 |
Family
ID=88430293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321345170.4U Active CN219913130U (en) | 2023-05-30 | 2023-05-30 | Waste heat recovery device of gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219913130U (en) |
-
2023
- 2023-05-30 CN CN202321345170.4U patent/CN219913130U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |