CN215893336U - Boiler flue gas waste heat recovery device - Google Patents
Boiler flue gas waste heat recovery device Download PDFInfo
- Publication number
- CN215893336U CN215893336U CN202121456923.XU CN202121456923U CN215893336U CN 215893336 U CN215893336 U CN 215893336U CN 202121456923 U CN202121456923 U CN 202121456923U CN 215893336 U CN215893336 U CN 215893336U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- recoverer
- air
- circulating water
- pipeline
- 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.)
- Active
Links
Images
Landscapes
- Air Supply (AREA)
Abstract
The utility model discloses a boiler flue gas waste heat recovery device, which comprises a flue gas preheating recoverer, an air inlet fan and a liquid pump, wherein a flue gas inlet and a flue gas outlet are respectively arranged at two ends of the flue gas preheating recoverer, an air pipeline and a circulating water pipeline are arranged in the flue gas preheating recoverer, the air pipeline and the circulating water pipeline are distributed in a staggered manner and are not in contact with each other, one end of the air pipeline penetrates through the flue gas preheating recoverer and is connected with the air inlet fan, the other end of the air pipeline penetrates through the flue gas preheating recoverer and is connected with a gas conveying end, one end of the circulating water pipeline penetrates through the flue gas preheating recoverer and is connected with the liquid pump, the other end of the circulating water pipeline penetrates through the flue gas preheating recoverer and is connected with a stop valve, the other end of the stop valve is connected with a temporary water storage tank through a pipe, and a drain pipe is arranged at the bottom of the flue gas preheating recoverer, the boiler flue gas waste heat recovery device can efficiently recycle the flue gas waste heat, the purpose of energy conservation is achieved, the environment is purified, and the economic benefit is increased.
Description
Technical Field
The utility model relates to the technical field of boiler flue gas waste heat, in particular to a boiler flue gas waste heat recovery device.
Background
The heat loss categories of the boiler are as follows: smoke exhaust loss, chemical incomplete combustion loss, heat dissipation loss, ash physical heat loss and the like. Wherein, the smoke loss is the most important part and accounts for 70 to 80 percent of the heat loss of the whole boiler.
At present, the boiler flue gas waste heat recovery basically adopts a mode of heating low-pressure feed water by waste heat to realize recovery and utilization, and although the effect is considerable, the waste heat is still contained and is not converted, so that the utility model provides the boiler flue gas waste heat recovery device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a boiler flue gas waste heat recovery device which can efficiently recycle the boiler flue gas waste heat and achieve the aim of saving energy.
In order to achieve the purpose, the utility model provides the following technical scheme: preheating recoverer, air inlet fan and liquid pump including the flue gas, the both ends that the recoverer was preheated to the flue gas are provided with flue gas inlet and exhanst gas outlet respectively, the inside air pipeline and the circulating water pipeline of being provided with of recoverer are preheated to the flue gas, air pipeline and circulating water pipeline are crisscross distribution, and contactless, air pipeline one end is run through the flue gas and is preheated the connection behind the recoverer and be provided with air inlet fan, and the other end runs through the flue gas and preheats the connection behind the recoverer and be provided with the gas transmission end, circulating water pipeline one end is run through the flue gas and is preheated the connection behind the recoverer and be provided with the liquid pump, and the other end runs through the flue gas and preheats the connection behind the recoverer and be provided with the stop valve, the stop valve other end is provided with interim water storage tank through the pipe connection, the flue gas preheats the recoverer bottom and is provided with the blow off pipe.
Preferably, the air pipeline and the circulating water pipeline are distributed in the flue gas preheating recoverer in a staggered mode, and the air pipeline is not in contact with the circulating water pipeline.
Preferably, the joints of the air pipeline, the circulating water pipeline, the sewage discharge pipe and the flue gas preheating recoverer are sealed.
Compared with the prior art, the utility model has the beneficial effects that: the utility model can efficiently recycle the waste heat of the boiler flue gas, achieves the aim of saving energy, purifies the environment and increases economic benefits.
Drawings
FIG. 1 is a schematic structural diagram of a boiler flue gas waste heat recovery device of the present invention.
In the figure: 1-flue gas preheating recoverer, 2-flue gas inlet, 3-flue gas outlet, 4-air pipeline, 5-circulating water pipeline, 6-air intake fan, 7-air conveying end, 8-liquid pump, 9-stop valve, 10-pipe fitting, 11-temporary water storage tank and 12-sewage discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: comprises a flue gas preheating recoverer 1, an air inlet fan 6 and a liquid pump 8,
and a flue gas inlet 2 and a flue gas outlet 3 are respectively arranged at two ends of the flue gas preheating recoverer 1.
An air pipeline 4 and a circulating water pipeline 5 are arranged in the flue gas preheating recoverer 1.
And two ends of the air pipeline 4 penetrate through the flue gas preheating recoverer 1, one end of the air pipeline 4 is connected with an air inlet fan 6, and the other end of the air pipeline 4 is connected with an air conveying end 7.
Circulating water pipeline 5, both ends all run through flue gas preheating recoverer 1, 5 one end of circulating water pipeline is connected and is provided with liquid pump 8, and the other end is connected and is provided with stop valve 9, stop valve 9 is connected through pipe fitting 10 and is provided with interim water storage tank 11.
And a sewage discharge pipe 12 is arranged at the bottom of the flue gas preheating recoverer 1.
Further, the air pipeline 4 and the circulating water pipeline 5 are distributed in the flue gas preheating recoverer 1 in a staggered mode, the air pipeline 4 is not in contact with the circulating water pipeline 5, the air pipeline 4 is mainly close to the flue gas inlet 2 of the flue gas preheating recoverer 1 and is combined with the circulating water pipeline 5, the flow speed of boiler flue gas can be reduced, and the purpose of preheating and efficient recovery can be achieved.
Further, the air is input into the air pipeline 4 by the air inlet fan 6, the air is heated in the heat transfer process, and the hot air can be supplied to the hearth by the air in the hearth again, so that the air supply effect of the boiler is improved.
Further, the circulating water pipeline 5 realizes the heating of tap water, and further realizes the supply of hot water.
Furthermore, the joints of the air pipeline 4, the circulating water pipeline 5, the sewage discharge pipe 12 and the flue gas preheating recoverer 1 are sealed.
Further, under the influence of the air pipeline 4 and the circulating water pipeline 5, the flue gas preheating recoverer 1 can generate condensed water containing flue gas inside, and the flue gas preheating recoverer needs to regularly perform pollution discharge cleaning through the pollution discharge pipe 12.
The working principle of the utility model is as follows: in the using process, boiler flue gas enters the flue gas preheating recoverer 1 through the flue gas inlet 2, and the internal air pipeline 4 and the circulating water pipeline 5 are heated by flue gas waste heat, so that tap water heating supply and hearth air supply are achieved, and efficient resource utilization, energy conservation and emission reduction are realized.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. The utility model provides a boiler flue gas waste heat recovery device, includes that flue gas preheats recoverer (1), air intake fan (6) and liquid pump (8), its characterized in that:
two ends of the flue gas preheating recoverer (1) are respectively provided with a flue gas inlet (2) and a flue gas outlet (3);
an air pipeline (4) and a circulating water pipeline (5) are arranged in the flue gas preheating recoverer (1);
the two ends of the air pipeline (4) penetrate through the flue gas preheating recoverer (1), one end of the air pipeline (4) is connected with an air inlet fan (6), and the other end of the air pipeline is connected with an air conveying end (7);
the two ends of the circulating water pipeline (5) penetrate through the flue gas preheating recoverer (1), one end of the circulating water pipeline (5) is connected with a liquid pump (8), the other end of the circulating water pipeline is connected with a stop valve (9), and the stop valve (9) is connected with a temporary water storage tank (11) through a pipe fitting (10);
and a sewage discharge pipe (12) is arranged at the bottom of the flue gas preheating recoverer (1).
2. The boiler flue gas waste heat recovery device according to claim 1, characterized in that: the air pipelines (4) and the circulating water pipelines (5) are distributed in the flue gas preheating recoverer (1) in a staggered mode, and the air pipelines (4) are not in contact with the circulating water pipelines (5).
3. The boiler flue gas waste heat recovery device according to claim 1, characterized in that: the air pipeline (4), the circulating water pipeline (5), the blow-off pipe (12) and the flue gas preheating recoverer (1) are connected in a sealing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456923.XU CN215893336U (en) | 2021-06-29 | 2021-06-29 | Boiler flue gas waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456923.XU CN215893336U (en) | 2021-06-29 | 2021-06-29 | Boiler flue gas waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215893336U true CN215893336U (en) | 2022-02-22 |
Family
ID=80562150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121456923.XU Active CN215893336U (en) | 2021-06-29 | 2021-06-29 | Boiler flue gas waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215893336U (en) |
-
2021
- 2021-06-29 CN CN202121456923.XU patent/CN215893336U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207435292U (en) | A kind of coupled electricity-generation system using smoke residual heat to dry sludge | |
| CN111623332A (en) | Steam production process of gas steam boiler | |
| CN209960532U (en) | Waste heat recycling system of gas boiler | |
| CN102849912B (en) | Sludge hydrolysis acidification system | |
| CN104197306A (en) | Boiler fuel gas waste heat recovery system | |
| CN206818022U (en) | A kind of energy-saving appliance | |
| CN215893336U (en) | Boiler flue gas waste heat recovery device | |
| CN204026649U (en) | Device for utilizing waste of boiler | |
| CN116293712A (en) | Incinerator flue gas waste heat recovery system | |
| CN202785930U (en) | Sludge hydrolysis acidizing system | |
| CN203083001U (en) | Low-grade steam heating and using system of waste heat boiler | |
| CN202791971U (en) | Secondary recycling energy-saving device for waste heat of autoclaved exhaust steam | |
| CN211120789U (en) | Biogas power generation waste heat recovery system | |
| CN205026636U (en) | Energy -concerving and environment -protective equipment of boiler waste heat recovery | |
| CN105716281A (en) | Waste heat recycling system with heat pipe exchanger | |
| CN210624555U (en) | Waste heat recoverer for desulfurized gypsum | |
| CN210399905U (en) | Mechanical double-effect negative pressure drying device | |
| CN210861049U (en) | Gas boiler flue gas waste heat and condensate water recycling system | |
| CN104165349B (en) | Device for utilizing waste of boiler | |
| CN209279132U (en) | A kind of boiler province's coal-firing device | |
| CN214840870U (en) | Water heating medium air preheating device for co-processing domestic garbage in cement kiln | |
| CN217816770U (en) | System for utilize solar energy heating waste liquid of useless incineration plant of danger | |
| CN220186795U (en) | Waste heat recovery energy-saving boiler | |
| CN209944298U (en) | Condensate water recovery device of steam-water heat exchanger unit | |
| CN220038513U (en) | Low-grade flue gas waste heat recovery system based on absorption heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |