CN208735909U - A kind of premixing boiler using fume afterheat - Google Patents
A kind of premixing boiler using fume afterheat Download PDFInfo
- Publication number
- CN208735909U CN208735909U CN201821280266.6U CN201821280266U CN208735909U CN 208735909 U CN208735909 U CN 208735909U CN 201821280266 U CN201821280266 U CN 201821280266U CN 208735909 U CN208735909 U CN 208735909U
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- China
- Prior art keywords
- pipe
- liner
- furnace body
- chamber
- heat exchanging
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- 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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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- 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
Abstract
A kind of premixing boiler using fume afterheat, it includes furnace body, liner, heat exchanging pipe and flue gas waste heat recovery apparatus, and the sidewall of the furnace body is equipped with air pipe line, fuel gas pipeline and outlet pipe, and water inlet pipe and flue is arranged in furnace wall lower part；Sequentially connected air blower, mixing chamber and combustion chamber are equipped in furnace body, the fuel gas pipeline is connected to air blower；The middle part of furnace body is arranged in liner, includes heat exchanging pipe, combustion chamber and mixing chamber in liner, combustion chamber and mixing chamber are in the middle position of liner；The flue gas waste heat recovery apparatus includes smoke discharging pipe, condensation chamber and economizer bank, and the condensation chamber is arranged below liner, several economizer banks for being connected to heat exchanging pipe of setting in the condensation chamber.Cold water in the flue gas and water inlet pipe that are discharged in furnace body is carried out sufficient heat exchange by flue gas waste heat recovery apparatus by above-mentioned premixing boiler, has the characteristics that energy conservation and environmental protection, heat exchange efficiency are high.
Description
Technical field
The utility model relates to heating equipment technical field, especially a kind of premixed pot using flue gas cold water
Furnace.
Background technique
Gas fired-boiler is widely used in recent years as the substitute products of coal-burning boiler, is had and is polluted less, meets environment guarantor
The advantages that shield requires.It uses premixing inverted combustion system to premixing boiler, by air blower in advance by combustion gas and air
It is mixed in a certain ratio, burns downwards by the burner flame of metal mesh, thus the intracorporal heat exchanger of heating furnace.Therefore it premixes
The burning of formula boiler is abundant, can be effectively reduced the content of the harmful substances such as carbon monoxide, the nitrogen oxides in flue dust, as one
The advanced gas fired-boiler of kind, can meet the demand of heating enterprise.
But existing premixed type gas boiler the problems such as there are still flue gases directly to empty, the thermal efficiency is low, due to boiler
Exhaust gas temperature is at 110 DEG C -200 DEG C, and flue gas directly empties the waste for causing amount of heat and environment is dirty, how by the heat in flue gas
Amount is maximumlly used, and becomes Boiler Manufacturing Enterprise urgent problem to be solved
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and is provided a kind of using fume afterheat
Premixing boiler, the cold water in the flue gas and water inlet pipe that are discharged in furnace body carried out by flue gas waste heat recovery apparatus sufficient
Heat exchange, has the characteristics that energy conservation and environmental protection, heat exchange efficiency are high.
The technical issues of the utility model, is realized with following technical proposals:
A kind of premixing boiler using fume afterheat, it includes furnace body, liner, heat exchanging pipe and flue gas waste heat recovery dress
It sets, the sidewall of the furnace body is equipped with air pipe line, fuel gas pipeline and outlet pipe, and water inlet pipe and flue is arranged in furnace wall lower part；Furnace body
Interior to be equipped with sequentially connected air blower, mixing chamber and combustion chamber, the fuel gas pipeline is connected to air blower；Liner is arranged in furnace body
Middle part, include heat exchanging pipe, combustion chamber and mixing chamber in liner, combustion chamber and mixing chamber are in the middle position of liner；It is described
Heat exchanging pipe includes several end to end heat exchanger tubes, and heat exchanger tube is centered on combustion chamber around arrangement；The fume afterheat
Recyclable device includes smoke discharging pipe, condensation chamber and economizer bank, and the condensation chamber is arranged below liner, setting in the condensation chamber
Several economizer banks for being connected to heat exchanging pipe.
The above-mentioned premixing boiler using fume afterheat, the smoke discharging pipe are mounted between sidewall of the furnace body and liner, row
The upper end of smoke pipeline is connected with liner, and lower end is connected to condensation chamber；The flue opening is in the condensation chamber far from smoke discharging pipe
The other side, and extend to outside furnace body.
The above-mentioned premixing boiler using fume afterheat, one end of the economizer bank connect water inlet pipe, and the other end passes through interior
The bottom of gallbladder is connect with heat exchanging pipe；The heat exchanging pipe water inlet end is economizer bank, and water outlet is outlet pipe.
The above-mentioned premixing boiler using fume afterheat, the bottom surface of the condensation chamber are inclined-plane, and the lowest part on inclined-plane connects
There is drainpipe, drainpipe extends outside furnace body, and valve is installed on drainpipe.
The above-mentioned premixing boiler using fume afterheat, the economizer bank are that 3-5 arranges the interconnected water being vertically arranged
Pipe, each economizer bank of arranging are arranged at intervals in condensation chamber, between adjacent two economizer banks between be divided into 3-8cm.
The utility model recycles the high temperature cigarette that combustion chamber generates by adopting the above technical scheme, by flue gas waste heat recovery apparatus
Gas, it is recovered after exhaust gas temperature 60 DEG C -70 DEG C are reduced to from 110 DEG C or more, on the one hand economizer bank in condensation chamber absorbs
Sensible heat in high-temperature flue gas discharges gasification latent heat equally by pre- on the other hand since the overheated steam in flue gas condenses into water
Heat pipe absorbs, and the thermal efficiency of boiler 10% is improved while energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Each list of reference numerals in figure are as follows: 1, furnace body, 2, air pipe line, 3, fuel gas pipeline, 4, air blower, 5, mixing chamber, 6, combustion
Burn room, 7, liner, 8, heat exchanging pipe, 9, flue, 10, outlet pipe, 11, water inlet pipe, 12, economizer bank, 13, smoke discharging pipe, 14, cold
Solidifying room, 15, drainpipe.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, the utility model includes furnace body 1, liner 7, heat exchanging pipe 8 and flue gas waste heat recovery apparatus, it is described
The top of sidewall of the furnace body is equipped with that the import of air pipe line 2 and fuel gas pipeline 3, setting outlet pipe 10, furnace wall lower part are set in the middle part of furnace wall
It is equipped with water inlet pipe 11 and flue 9.Sequentially connected air blower 4, mixing chamber 5 and combustion chamber 6, the air pipe line are equipped in furnace body
2 connect with air blower, and fuel gas pipeline 3 is connected to the air outlet of air blower, and the air outlet of air blower 4 is connect with mixing chamber 5, mixing
The bottom of room and combustion chamber, the combustion chamber are the tubular structure that weaving metallic fibers object is formed, and gather net on barrel
Shape hole, bottom of combustion chamber closing.
The liner 7 is arranged in the middle part of furnace body, one in liner containing heat exchanging pipe 8, combustion chamber 6 and mixing chamber 5
Point, the combustion chamber 6 and mixing chamber 5 are in the middle position of liner.The heat exchanging pipe 8 includes several end to end heat exchange
Pipe, heat exchanger tube is centered on combustion chamber around arrangement.One end of heat exchanging pipe connects outlet pipe 10, and outlet pipe 10 penetrates through liner
7 and furnace body 1 extend to outside furnace body.The preheating pipeline 12 of the other end connection flue gas waste heat recovery apparatus of heat exchanging pipe.
The flue gas waste heat recovery apparatus includes smoke discharging pipe 13, condensation chamber 14 and economizer bank 12, and the condensation chamber 14 is set
It sets below liner 7, smoke discharging pipe 13 is mounted between sidewall of the furnace body and liner, and in the side far from flue.Smoke exhaust pipe
The upper end in road is connected to liner, and lower end is connected to condensation chamber 14.Several interconnected economizer banks 12 of setting in the condensation chamber,
One end of economizer bank 12 connects water inlet pipe 11, and the bottom that the other end passes through liner is connect with heat exchanging pipe 8.Flue 9 and condensation chamber
It is connected to and extends to outside furnace body.The bottom surface of condensation chamber is inclined-plane, and the lowest part on inclined-plane is connected with the drainpipe of discharge condensed water
15, drainpipe extends outside furnace body, and shut-off valve is installed on drainpipe.
Economizer bank 12 is that 3-5 arranges the interconnected water pipe being vertically arranged, and each economizer bank of arranging is arranged at intervals in condensation chamber,
Interval is 3-8cm between interval and every economizer bank between each row's economizer bank.And it is sufficiently changed with the cold water in economizer bank
Heat, adopts that thermal effect is good, and heat-absorbing water pipe can be horizontally-arranged, oblique row or arc shooting.
The course of work of the utility model is described further below:
When using premixing boiler, it is first turned on fuel gas pipeline 3, air pipe line 2 and water inlet pipe 11, starts air blower 4, it is empty
Gas and combustion gas mix in mixing chamber, enter combustion chambers burn.The flue gas of generation rises at the top of liner, and on the outside of liner
Smoke discharging pipe 13 under be advanced into condensation chamber 14, high-temperature flue gas is walked in economizer bank 12, is pooled to the cigarette of the condensation chamber other side
It flows out in road 9.
Cold water enters condensation chamber 14 from water inlet pipe 11, and in economizer bank and high-temperature flue gas carries out heat exchange, the water edge of heating
The heat exchanging pipe 8 being advanced on economizer bank in liner.Blocking in condensation chamber due to flue gas by economizer bank, is effectively reduced height
On the one hand the flow velocity of warm flue gas extends it in the time of condensation chamber, improves the efficiency of heat exchange；Satiety in another aspect flue gas
It is condensed with steam, generates condensed water along economizer bank and be dropped in condensation chamber bottom, be gathered in drainpipe 15 along bottom bevel.It can determine
When open shut-off valve release condensed water guarantee boiler normal operation.
One layer of light blue flame is burnt on the barrel of combustion chamber, forms hyperthermia radiation source.Water after preheating enters liner
Heat exchanging pipe 8 in, the heat that flame combustion generates directly heats the heat exchanging pipe of surrounding, is further heated into after hot water by out
Water pipe 10 is flowed out for using.
Claims (5)
1. a kind of premixing boiler using fume afterheat, which is characterized in that it includes furnace body (1), liner (7), heat exchanging pipe
(8) and flue gas waste heat recovery apparatus, the sidewall of the furnace body are equipped with air pipe line (2), fuel gas pipeline (3) and outlet pipe (10),
Water inlet pipe (11) and flue (9) is arranged in furnace wall lower part；Sequentially connected air blower (4), mixing chamber (5) and burning are equipped in furnace body
Room (6), the fuel gas pipeline (3) are connected to air blower；The middle part of furnace body is arranged in liner (7), includes heat exchanging pipe in liner
(8), combustion chamber (6) and mixing chamber (5), combustion chamber and mixing chamber are in the middle position of liner；The heat exchanging pipe includes several
The end to end heat exchanger tube of root, heat exchanger tube is centered on combustion chamber around arrangement；The flue gas waste heat recovery apparatus includes smoke evacuation
Pipeline (13), condensation chamber (14) and economizer bank (12), the condensation chamber setting is below liner (7), setting in the condensation chamber
Several economizer banks (12) for being connected to heat exchanging pipe (8).
2. the premixing boiler according to claim 1 using fume afterheat, which is characterized in that the smoke discharging pipe (13)
It is mounted between sidewall of the furnace body and liner, the upper end of smoke discharging pipe is connected with liner, and lower end is connected to condensation chamber (14)；It is described
Flue (9) opening extends to outside furnace body in the other side of the condensation chamber far from smoke discharging pipe.
3. the premixing boiler according to claim 2 using fume afterheat, which is characterized in that the economizer bank (12)
One end connects water inlet pipe (11), and the bottom that the other end passes through liner is connect with heat exchanging pipe (8)；The heat exchanging pipe water inlet end is
Economizer bank, water outlet are outlet pipe (10).
4. the premixing boiler according to claim 3 using fume afterheat, which is characterized in that the bottom surface of the condensation chamber
For inclined-plane, the lowest part on inclined-plane is connected with drainpipe (15), and drainpipe extends outside furnace body, and valve is installed on drainpipe.
5. the premixing boiler according to claim 4 using fume afterheat, which is characterized in that the economizer bank (12) is
3-5 arranges the interconnected water pipe being vertically arranged, and each economizer bank of arranging is arranged at intervals in condensation chamber, between adjacent two economizer banks
Between be divided into 3-8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821280266.6U CN208735909U (en) | 2018-08-09 | 2018-08-09 | A kind of premixing boiler using fume afterheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821280266.6U CN208735909U (en) | 2018-08-09 | 2018-08-09 | A kind of premixing boiler using fume afterheat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208735909U true CN208735909U (en) | 2019-04-12 |
Family
ID=66030069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821280266.6U Expired - Fee Related CN208735909U (en) | 2018-08-09 | 2018-08-09 | A kind of premixing boiler using fume afterheat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208735909U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657573A (en) * | 2019-09-29 | 2020-01-07 | 安徽益禾机械有限公司 | High-air-temperature hot blast stove with high-temperature flue gas flow equalizer |
| CN110887227A (en) * | 2019-10-17 | 2020-03-17 | 安徽尚亿锅炉有限公司 | Boiler with waste heat recovery function |
| CN112178606A (en) * | 2020-10-12 | 2021-01-05 | 珠海歌林能源科技有限公司 | Steam generator |
| CN114353319A (en) * | 2022-01-14 | 2022-04-15 | 遵义朝宇锅炉有限公司 | Clear stifled device and boiler equipment |
-
2018
- 2018-08-09 CN CN201821280266.6U patent/CN208735909U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657573A (en) * | 2019-09-29 | 2020-01-07 | 安徽益禾机械有限公司 | High-air-temperature hot blast stove with high-temperature flue gas flow equalizer |
| CN110887227A (en) * | 2019-10-17 | 2020-03-17 | 安徽尚亿锅炉有限公司 | Boiler with waste heat recovery function |
| CN112178606A (en) * | 2020-10-12 | 2021-01-05 | 珠海歌林能源科技有限公司 | Steam generator |
| CN114353319A (en) * | 2022-01-14 | 2022-04-15 | 遵义朝宇锅炉有限公司 | Clear stifled device and boiler equipment |
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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: 20190412 Termination date: 20210809 |