CN208170419U - A kind of gas-fired Boiler System - Google Patents
A kind of gas-fired Boiler System Download PDFInfo
- Publication number
- CN208170419U CN208170419U CN201820346415.8U CN201820346415U CN208170419U CN 208170419 U CN208170419 U CN 208170419U CN 201820346415 U CN201820346415 U CN 201820346415U CN 208170419 U CN208170419 U CN 208170419U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- pipe section
- waste heat
- line segments
- transverse pipe
- 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 - Fee Related
Links
- 239000003546 flue gas Substances 0.000 claims abstract description 77
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000002918 waste heat Substances 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000003197 catalytic effect Effects 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract 2
- 230000009467 reduction Effects 0.000 claims description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model discloses a kind of gas-fired Boiler System, including boiler, water tank and flue gas emission pipeline, boiler is equipped with the flue gas discharge opening being connected to flue gas emission pipeline, catalytic reactor is equipped at flue gas discharge opening, smoke discharge pipe routes transverse pipe section and vertical line segments composition, transverse pipe section is directly connected to flue gas discharge opening, flue gas waste heat utilization device compatible with transverse pipe section shape is equipped in transverse pipe section, multiple exhaust gases passes are equipped in flue gas waste heat utilization device, exhaust gases passes direction is identical as flow of flue gas direction, flue gas waste heat utilization device is equipped with inlet and outlet；It is successively arranged atomizer, the first filter layer, the second filter layer and muffler from top to bottom in vertical line segments.The utility model can remove the NO in the flue gas of gas fired-boiler generation, reduce environmental pollution, and the amount of residual heat carried secretly using flue gas improves energy utilization rate.
Description
Technical field
The utility model relates to gas fired-boiler technical field, more specifically a kind of gas-fired Boiler System.
Background technique
Current China more payes attention to the energy-saving and emission-reduction in each field of society, limits in recent years the discharge standard of nitrogen oxides
More pay attention to, the development of coal-burning boiler is somewhat limited, and the development of gas fired-boiler is rapider.With coal-burning boiler
Difference, gas fired-boiler are the boiler plants with fuel gas (such as natural gas) for fuel.For middle-size and small-size natural gas boiler,
The main component of its fuel is methane, belongs to clean energy resource, boiler exhaust gas is substantially dustless, and content of sulfur dioxide is extremely low.Its
Combustion product is mainly carbon dioxide and water, further includes a large amount of nitrogen and a small amount of nitrogen oxides.In environmental requirement standard day
Under the premise of benefit improves and large-scale centralized heat supply in city is under the big situation of development trend, gas fired-boiler has compared with coal-burning boiler
Bigger development prospect.
Due to the exhaust gas containing a small amount of NO, generated in boiler combustion in the flue gas that is generated in Medium and small gas boiler
If be directly discharged in atmosphere, certain environmental pollution will also result in；In addition, can also be entrainment of remnants in the exhaust gas of discharge
The heat of heat, this part is not used, and has resulted in waste.
Utility model content
The purpose of this utility model is to provide a kind of gas-fired Boiler Systems, remove in the flue gas that gas fired-boiler generates
NO reduces environmental pollution, and the amount of residual heat carried secretly using flue gas improves energy utilization rate.
To achieve the above object, the utility model adopts the following technical solution：
A kind of gas-fired Boiler System, including boiler, water tank and flue gas emission pipeline, boiler is equipped with and flue gas emission
The flue gas discharge opening of pipeline connection, is equipped with catalytic reactor at flue gas discharge opening, and smoke discharge pipe routes transverse pipe section and perpendicular
It is formed to line segments, transverse pipe section is directly connected to flue gas discharge opening, is equipped with and transverse pipe section shape in transverse pipe section
Compatible flue gas waste heat utilization device, flue gas waste heat utilization device is interior to be equipped with multiple exhaust gases passes, exhaust gases passes direction and cigarette
Flow of air direction is identical, and flue gas waste heat utilization device is equipped with inlet and outlet；In vertical line segments from top to bottom successively
Equipped with atomizer, the first filter layer, the second filter layer and muffler.
The flue gas waste heat utilization device is located at the front end in the transverse pipe section of flue gas emission pipeline.
The lower section of the vertical line segments is equipped with header tank, and the lower end surface of vertical line segments is recessed cambered surface, and cambered surface is most
Lower is lower than transverse pipe section and cambered surface lowest point is equipped with the inlet being connected to header tank.
Purification device is equipped between the header tank and water tank.
The speed reduction screen being additionally provided in the transverse pipe section on front side of flue gas waste heat utilization device.
The utility model is equipped with the flue gas discharge opening being connected to flue gas emission pipeline on boiler, is equipped at flue gas discharge opening
NO in flue gas is oxidized to NO by catalytic reactor, catalytic reactor2, vertical line segments are interior to be equipped with atomizer, and atomizer sprays
Water a part of NO can be absorbed2 , the first filter layer and the second filter layer of the interior setting of vertical line segments can remove remaining
NO2 ；The muffler being arranged in vertical line segments can reduce exhaust noise, reduce to neighbouring noise pollution；Transverse pipe section
It is interior to be equipped with flue gas waste heat utilization device compatible with transverse pipe section shape, multiple flue gases are equipped in flue gas waste heat utilization device
Channel, exhaust gases passes direction is identical as flow of flue gas direction, and flue gas waste heat utilization device can make full use of the waste heat of flue gas, mentions
High energy source utilization rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the main view of flue gas waste heat utilization device in the utility model.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.It should be clear that this specification attached drawing is drawn
Structure, ratio, size for showing etc., only to cooperate the revealed content of specification, for those skilled in the art's understanding
With reading, enforceable qualifications are not intended to limit the utility model, therefore do not have technical essential meaning, any structure
Modification, the change of proportionate relationship or the adjustment of size, do not influencing the effect of the utility model can be generated and can reach
Purpose under, should all still fall in the range of the revealed technology contents of the utility model can cover.Meanwhile institute in this specification
Such as "upper" of reference, "lower", "left", "right", " centre " and " one " term, be merely convenient to the clear of narration, Er Feiyong
To limit the enforceable range of the utility model, relativeness is altered or modified, under the content of no substantial changes in technology, when
Also it is considered as the enforceable scope of the utility model.
As depicted in figs. 1 and 2, a kind of gas-fired Boiler System, including boiler 1, water tank 2 and flue gas emission pipeline 3.Pot
Furnace 1 is equipped with the flue gas discharge opening 4 being connected to flue gas emission pipeline 3, is equipped with catalytic reactor 5 at flue gas discharge opening 4.Flue gas
Discharge pipe 3 is made of transverse pipe section 6 and vertical line segments 7, and transverse pipe section 6 is directly connected to flue gas discharge opening 4.Laterally
It is equipped with flue gas waste heat utilization device 8 compatible with 6 shape of transverse pipe section in line segments 6, is set in flue gas waste heat utilization device 8
There are multiple exhaust gases passes 9,9 direction of exhaust gases passes is identical as flow of flue gas direction, and flue gas waste heat utilization device 8 is equipped with water inlet
And water outlet.It is successively arranged atomizer 10, the first filter layer 11, the second filter layer 12 from top to bottom in vertical line segments 7 and disappears
Sound device 13.
The flue gas waste heat utilization device 8 is located at the front end in the transverse pipe section 6 of flue gas emission pipeline 3.
The lower section of the vertical line segments 7 is equipped with header tank 14, and the lower end surface of vertical line segments 7 is recessed cambered surface, arc
Face lowest point is lower than transverse pipe section 6 and cambered surface lowest point is equipped with the inlet 15 being connected to header tank 14.
Purification device 16 is equipped between the header tank 14 and water tank 2.
The speed reduction screen 17 positioned at 8 front side of flue gas waste heat utilization device is additionally provided in the transverse pipe section 6, speed reduction screen 17 can
To reduce the flow velocity of flue gas, extend the time that flue gas passes through flue gas waste heat utilization device 8, improves flue gas waste heat utilization device 8
Caloric receptivity.
Specific work process is as follows：
The flue gas that boiler 1 generates first flows through the catalytic reactor 5 at flue gas discharge opening 4, and catalytic reactor 5 will be in flue gas
NO is oxidized to NO2, then flue gas flows into the transverse pipe section 6 of flue gas emission pipeline 3, and speed reduction screen 17 reduces the flow velocity of flue gas,
Flue gas after reducing flow velocity flows into horizontal flue gas waste heat utilization device 8, and the big of flue gas entrainment can be absorbed in flue gas waste heat utilization device
Part of waste heat improves energy utilization rate.The flue gas flowed out from transverse pipe section 6 flows into vertical line segments, vertical line segments 7
A part of NO can be absorbed in the water that interior atomizer 10 sprays2 , absorb NO2Water through inlet 15 flow into header tank 14, catchment
The purified device 16 of water in case 14 flows into water tank 2 after purifying.Flue gas after flowing through purification device 16 is followed by first
Filter layer 11 and the second filter layer 12, the first filter layer 11 and the second filter layer 12 can remove remaining NO2 , vertical line segments 7
The muffler 13 of interior setting can reduce exhaust noise, reduce to neighbouring noise pollution.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (5)
1. a kind of gas-fired Boiler System, including boiler, water tank and flue gas emission pipeline, boiler is equipped with and smoke discharge pipe
The flue gas discharge opening of road connection, it is characterised in that：Catalytic reactor is equipped at flue gas discharge opening, smoke discharge pipe routing is laterally
Line segments and vertical line segments composition, transverse pipe section are directly connected to flue gas discharge opening, are equipped with and transverse direction in transverse pipe section
The compatible flue gas waste heat utilization device of line segments shape, flue gas waste heat utilization device is interior to be equipped with multiple exhaust gases passes, and flue gas is logical
Road direction is identical as flow of flue gas direction, and flue gas waste heat utilization device is equipped with inlet and outlet；In vertical line segments from
Under to being above successively arranged atomizer, the first filter layer, the second filter layer and muffler.
2. gas-fired Boiler System according to claim 1, it is characterised in that：The flue gas waste heat utilization device is located at flue gas
The front end in the transverse pipe section of discharge pipe.
3. gas-fired Boiler System according to claim 2, it is characterised in that：The lower section of the vertical line segments, which is equipped with, catchments
Case, the lower end surfaces of vertical line segments are recessed cambered surface, cambered surface lowest point lower than transverse pipe section and cambered surface lowest point be equipped with
The inlet of header tank connection.
4. gas-fired Boiler System according to claim 3, it is characterised in that：It is equipped between the header tank and water tank net
Makeup is set.
5. gas-fired Boiler System according to any one of claim 1 to 4, it is characterised in that：In the transverse pipe section
It is additionally provided with the speed reduction screen being located on front side of flue gas waste heat utilization device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820346415.8U CN208170419U (en) | 2018-03-14 | 2018-03-14 | A kind of gas-fired Boiler System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820346415.8U CN208170419U (en) | 2018-03-14 | 2018-03-14 | A kind of gas-fired Boiler System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208170419U true CN208170419U (en) | 2018-11-30 |
Family
ID=64374800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820346415.8U Expired - Fee Related CN208170419U (en) | 2018-03-14 | 2018-03-14 | A kind of gas-fired Boiler System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208170419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469865A (en) * | 2019-08-22 | 2019-11-19 | 福州卓能科技有限公司 | A kind of boiler afterheat recycle device |
-
2018
- 2018-03-14 CN CN201820346415.8U patent/CN208170419U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469865A (en) * | 2019-08-22 | 2019-11-19 | 福州卓能科技有限公司 | A kind of boiler afterheat recycle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |