CN210801617U - Gas boiler with waste heat recovery function - Google Patents
Gas boiler with waste heat recovery function Download PDFInfo
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- CN210801617U CN210801617U CN201921947046.9U CN201921947046U CN210801617U CN 210801617 U CN210801617 U CN 210801617U CN 201921947046 U CN201921947046 U CN 201921947046U CN 210801617 U CN210801617 U CN 210801617U
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Abstract
The utility model discloses a gas boiler with waste heat recovery function, which relates to the technical field of gas boilers and comprises a gas boiler, wherein a smoke exhaust pipe is arranged on the gas boiler, a filtering device is arranged on the smoke exhaust pipe, the filtering device is communicated with a waste heat recovery device, the gas outlet end of the waste heat recovery device is communicated with a power device, the gas outlet end of the power device is communicated with a tail gas purification device, the gas outlet end of the tail gas purification device is communicated with a water tank, and the upper end of the water tank is also provided with a gas outlet pipe; the waste heat recovery device comprises a recovery pipe, a smoke exhaust channel is arranged in the recovery pipe, a smoke inlet pipe and a smoke outlet pipe which are communicated with the smoke exhaust channel are arranged on the recovery pipe, a spirally wound waste heat recovery pipe is arranged on the inner wall of the smoke exhaust channel, a water outlet pipe communicated with the smoke exhaust channel is arranged at the lower end of the recovery pipe, and a first spray head is arranged on the inner wall of the top of the smoke exhaust channel; the utility model has the advantages of convenient use, good waste heat recovery effect, high flue gas purification efficiency, small air pollution and the like.
Description
Technical Field
The utility model relates to a gas boiler's technical field, in particular to gas boiler with waste heat recovery function.
Background
Gas boiler heats water through the heat energy that the burning natural gas produced, can produce a large amount of heat energy in the combustion process, and most heat energy is absorbed by water, and the gas after partly heat energy and the burning is discharged into the atmosphere, and these heat energy messenger can recycle, and prior art's heat recovery efficiency is lower, and contains certain harmful gas in the gas after the burning, and prior art does not carry out effective filtration to harmful gas.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a gas boiler with waste heat recovery function is provided for solve the gas boiler's among the prior art of description problem that tail gas recycle efficiency is low among the background art.
In order to achieve the above object, the present invention provides the following technical solutions: a gas boiler with a waste heat recovery function comprises a gas boiler, wherein a smoke exhaust pipe is arranged on the gas boiler, a filtering device is arranged on the smoke exhaust pipe, the filtering device is communicated with a waste heat recovery device, the gas outlet end of the waste heat recovery device is communicated with a power device, the gas outlet end of the power device is communicated with a tail gas purification device, the gas outlet end of the tail gas purification device is communicated with a water tank, and the upper end of the water tank is also provided with a gas outlet pipe; the waste heat recovery device comprises a recovery pipe, a smoke exhaust channel is arranged in the recovery pipe, a smoke inlet pipe and a smoke outlet pipe which are communicated with the smoke exhaust channel are arranged on the recovery pipe, a spiral winding waste heat recovery pipe is arranged on the inner wall of the smoke exhaust channel, a water outlet pipe communicated with the smoke exhaust channel is arranged at the lower end of the recovery pipe, an electromagnetic valve is arranged on the water outlet pipe, and a first spray head is arranged on the inner wall of the top of the smoke exhaust channel.
Preferably, the filtering device comprises a first air duct communicated with the smoke outlet pipe, a filtering barrel is arranged on the first air duct, one end of the first air duct, far away from the smoke exhaust pipe, is communicated with the smoke inlet pipe, and a filter screen is arranged in the filtering barrel.
Preferably, tail gas cleanup unit includes the purge tube, the inner wall of purge tube is provided with a plurality of vertical second shower nozzles of arranging, the second shower nozzle with set up the distributive pipe intercommunication outside the purge tube, the bottom of purge tube is provided with the drain fill with the water tank intercommunication, the upper end of purge tube is provided with and communicates the third air duct with the purge tube, the one end that the purge tube was kept away from to the third air duct communicates with the bottom of water tank.
Preferably, the power device comprises a second air duct communicated with the smoke outlet pipe, one end of the second air duct, far away from the smoke outlet pipe, is communicated with the lower end of the side wall of the purifying pipe, and an exhaust fan is arranged on the second air duct.
Preferably, one end of the third air duct, which is far away from the purifying pipe, extends into the water in the water tank.
The beneficial effect of adopting above technical scheme is:
the exhaust fan provides wind power for traction power, burning smoke is primarily filtered through the filter screen in the filter barrel, water in the waste heat recovery pipe absorbs residual heat energy of the smoke, the smoke entering the purification pipe is purified by water mist sprayed by the second spray head, a part of impurities are discharged into the water tank from the water discharge hopper by water, the smoke in the purification pipe is discharged into the water in the water tank through the third air guide pipe, and the smoke in the water tank is purified again through the water in the water tank;
this application has set up first shower nozzle, can clean the dirt on the discharge flue inner wall through first shower nozzle, has improved waste heat recovery pipe's waste heat and has regained efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a gas boiler with a waste heat recovery function according to the present invention;
fig. 2 is a schematic structural diagram of the waste heat recovery device of the present invention.
Fig. 3 is a schematic mechanism diagram of the tail gas purifying device of the present invention.
Wherein: the device comprises a gas boiler 10, a smoke exhaust pipe 11, a filtering device 20, a first air duct 21, a filtering barrel 22, a waste heat recovery device 30, a recovery pipe 31, a smoke exhaust channel 32, a water outlet pipe 33, an electromagnetic valve 34, a smoke inlet pipe 35, a smoke outlet pipe 36, a waste heat recovery pipe 37, a first spray nozzle 38, a power device 40, a second air duct 41, an exhaust fan 42, a tail gas purification device 50, a purification pipe 51, a drainage hopper 52, a water distribution pipe 53, a second spray nozzle 54, a third air duct 55, a water tank 60 and an air outlet pipe 61.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the embodiment, as shown in fig. 1 to 3, in this embodiment, a gas boiler with a waste heat recovery function includes a gas boiler 10, a smoke exhaust pipe 11 is disposed on the gas boiler 10, a filter device 20 is disposed on the smoke exhaust pipe 11, the filter device 20 is communicated with a waste heat recovery device 30, an air outlet end of the waste heat recovery device 30 is communicated with a power device 40, an air outlet end of the power device 40 is communicated with a tail gas purification device 50, an air outlet end of the tail gas purification device 50 is communicated with a water tank 60, and an air outlet pipe 61 is further disposed at an upper end of the water tank 60; the waste heat recovery device 30 comprises a recovery pipe 31, a smoke exhaust channel 32 is arranged in the recovery pipe 31, a smoke inlet pipe 35 and a smoke outlet pipe 36 which are communicated with the smoke exhaust channel 32 are arranged on the recovery pipe 31, a spiral winding waste heat recovery pipe 37 is arranged on the inner wall of the smoke exhaust channel 32, a water outlet pipe 33 communicated with the smoke exhaust channel 32 is arranged at the lower end of the recovery pipe 37, an electromagnetic valve 34 is arranged on the water outlet pipe 33, and a first spray head 38 is arranged on the inner wall of the top of the smoke exhaust channel 32.
The filtering device 20 comprises a first air duct 21 communicated with the smoke exhaust pipe 11, a filtering barrel 22 is arranged on the first air duct 21, one end, far away from the smoke exhaust pipe 36, of the first air duct 21 is communicated with a smoke inlet pipe 35, and a filtering screen is arranged in the filtering barrel 22.
The tail gas purification device 50 comprises a purification pipe 51, the inner wall of the purification pipe 51 is provided with a plurality of vertically arranged second nozzles 54, the second nozzles 54 are communicated with a water distribution pipe 53 arranged outside the purification pipe 51, the bottom of the purification pipe 51 is provided with a drain hopper 52 communicated with a water tank 60, the upper end of the purification pipe 51 is provided with a third air duct 55 communicated with the purification pipe 51, and one end of the third air duct 55 far away from the purification pipe 51 is communicated with the bottom of the water tank 60.
The power device 40 comprises a second air duct 41 communicated with the smoke outlet pipe 36, one end of the second air duct 41 far away from the smoke outlet pipe 36 is communicated with the lower end of the side wall of the purifying pipe 51, and an exhaust fan 42 is arranged on the second air duct 41.
One end of the third air duct 55, which is far away from the purifying pipe 51, extends into the water in the water tank 60.
The specific implementation manner of this embodiment:
the first spray head 38 and the water distribution pipe 53 of the waste heat recovery pipe are communicated with an external water pump respectively, and the water inlet end of the waste heat recovery pipe 37 is communicated with the external water pump.
When the water tank purification device is used, the exhaust fan 42 is started firstly, smoke generated by combustion enters the first air duct 21 firstly, then is filtered by a filter screen in the filter barrel 22, then enters the smoke exhaust channel 32 through the smoke inlet pipe 35, heat energy of the smoke entering the smoke exhaust channel 32 can be absorbed by water in the waste heat recovery pipe 37 on the inner wall of the smoke exhaust channel 32, then the smoke enters the purification pipe 51 through the second air duct 41, water of the second spray head 54 can adsorb impurities in the smoke and is discharged into the water tank 60 from the water discharge hopper 52, then the residual smoke can be discharged into the water tank 60 in the water tank 60 from the third air duct 55 to purify and adsorb the smoke again, and finally the smoke is discharged from the air outlet pipe 61;
when impurities are adsorbed on the inner wall of the smoke evacuation channel 32, the first nozzle 38 can spray the cleaning solution to clean the inner wall of the smoke evacuation channel 32, and then the electromagnetic valve 34 is opened, and the dirt is discharged from the water outlet pipe 33.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a gas boiler with waste heat recovery function, includes gas boiler, its characterized in that: the gas boiler is provided with a smoke exhaust pipe, the smoke exhaust pipe is provided with a filtering device, the filtering device is communicated with a waste heat recovery device, the gas outlet end of the waste heat recovery device is communicated with a power device, the gas outlet end of the power device is communicated with a tail gas purification device, the gas outlet end of the tail gas purification device is communicated with a water tank, and the upper end of the water tank is also provided with a gas outlet pipe; the waste heat recovery device comprises a recovery pipe, a smoke exhaust channel is arranged in the recovery pipe, a smoke inlet pipe and a smoke outlet pipe which are communicated with the smoke exhaust channel are arranged on the recovery pipe, a spiral winding waste heat recovery pipe is arranged on the inner wall of the smoke exhaust channel, a water outlet pipe communicated with the smoke exhaust channel is arranged at the lower end of the recovery pipe, an electromagnetic valve is arranged on the water outlet pipe, and a first spray head is arranged on the inner wall of the top of the smoke exhaust channel.
2. The gas boiler with waste heat recovery function as claimed in claim 1, wherein: the filter device comprises a first air duct communicated with the smoke outlet pipe, a filter vat is arranged on the first air duct, one end, far away from the smoke exhaust pipe, of the first air duct is communicated with the smoke inlet pipe, and a filter screen is arranged in the filter vat.
3. A gas boiler with a waste heat recovery function as claimed in claim 2, characterized in that: the tail gas purification device comprises a purification pipe, wherein the inner wall of the purification pipe is provided with a plurality of vertically arranged second spray heads, the second spray heads are communicated with a water distribution pipe arranged outside the purification pipe, the bottom of the purification pipe is provided with a drainage hopper communicated with a water tank, the upper end of the purification pipe is provided with a third air duct communicated with the purification pipe, and one end of the third air duct far away from the purification pipe is communicated with the bottom of the water tank.
4. A gas boiler with a waste heat recovery function according to claim 3, characterized in that: the power device comprises a second air duct communicated with the smoke outlet pipe, one end of the second air duct, far away from the smoke outlet pipe, is communicated with the lower end of the side wall of the purifying pipe, and an exhaust fan is arranged on the second air duct.
5. The gas boiler with waste heat recovery function as claimed in claim 4, wherein: and one end of the third air duct, which is far away from the purifying pipe, extends into the water in the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921947046.9U CN210801617U (en) | 2019-11-12 | 2019-11-12 | Gas boiler with waste heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921947046.9U CN210801617U (en) | 2019-11-12 | 2019-11-12 | Gas boiler with waste heat recovery function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210801617U true CN210801617U (en) | 2020-06-19 |
Family
ID=71226292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921947046.9U Active CN210801617U (en) | 2019-11-12 | 2019-11-12 | Gas boiler with waste heat recovery function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210801617U (en) |
-
2019
- 2019-11-12 CN CN201921947046.9U patent/CN210801617U/en active Active
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