CN205859983U - A kind of gas fired-boiler of band flue gas condenser - Google Patents
A kind of gas fired-boiler of band flue gas condenser Download PDFInfo
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- CN205859983U CN205859983U CN201620817469.9U CN201620817469U CN205859983U CN 205859983 U CN205859983 U CN 205859983U CN 201620817469 U CN201620817469 U CN 201620817469U CN 205859983 U CN205859983 U CN 205859983U
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- boiler
- flue gas
- condenser
- gas condenser
- oxygen
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Abstract
This utility model provides the gas fired-boiler of a kind of band flue gas condenser, including make-up water pipeline, oxygen-eliminating device, boiler body, economizer and chimney, described make-up water pipeline is communicated to boiler body by oxygen-eliminating device, described economizer is arranged in the back-end ductwork of boiler body, the smoke outlet of described economizer is communicated to chimney, between described economizer and chimney and/or in chimney Internal Flue, flue gas condenser is set, the make-up water pipeline of the water inlet termination spontaneous combustion gas boiler of flue gas condenser, the oxygen-eliminating device of gas fired-boiler is accessed in the water side of flue gas condenser.This utility model arranges flue gas condenser between economizer and chimney and/or in chimney Internal Flue, stable, improve the inflow temperature of oxygen-eliminating device, reduce the steam consumption of oxygen-eliminating device, decrease the temperature difference within oxygen-eliminating device, reduce the operating vibration of oxygen-eliminating device and sound, improve the thermal efficiency, reduce exhaust gas temperature.
Description
Technical field
This utility model relates to steam power plant technical field, in particular it relates to the combustion gas of a kind of band flue gas condenser
Boiler.
Background technology
Thermal power generation is the main force of modern society's electric power development, builds a Harmonious Society, develops a circular economy proposing
Under overall background, we to consider emphatically the electric power impact on environment, to non-renewable energy resources on the direction improving thermoelectricity technology
Impact.Therefore, thermal power plant is increasingly focused on making full use of non-renewable energy resources, it is to avoid energy waste.
But, the original design flue of existing gas fired-boiler is disposed with economizer, after economizer, the high-temperature flue gas of about 150 DEG C is straight
Connected chimney to enter in air.The energy which results in the high-temperature flue gas of discharge is not used, and result in resource
Waste, meanwhile, causes the gas fired-boiler thermal efficiency on the low side, and general only about 92%.It addition, it is too high to environment to get rid of flue-gas temperature
Also certain impact can be produced.
Therefore, in order to improve the thermal efficiency of gas fired-boiler, make full use of non-renewable energy resources, special proposition this utility model.
Utility model content
In order to solve the problems referred to above, this utility model provides the gas fired-boiler of a kind of band flue gas condenser, specifically, adopts
Technical scheme with following:
The gas fired-boiler of a kind of band flue gas condenser, including make-up water pipeline, oxygen-eliminating device, boiler body, economizer and cigarette
Chimney, described make-up water pipeline is communicated to boiler body by oxygen-eliminating device, and described economizer is arranged on the back-end ductwork of boiler body
In, the smoke outlet of described economizer is communicated to chimney, between described economizer and chimney and/or in chimney Internal Flue
Flue gas condenser is set, the make-up water pipeline of the water inlet termination spontaneous combustion gas boiler of flue gas condenser, the water side of flue gas condenser
Access the oxygen-eliminating device of gas fired-boiler.
As a kind of preferred implementation of the present utility model, described flue gas condenser includes the flue gas passed through for flue gas
Side, the bottom of fume side condenses the hydrophobic drain valve of formation after being provided for getting rid of off-gas recovery.
As a kind of preferred implementation of the present utility model, described flue gas condenser includes adding for water is hydronic
Hot water side, adds hot water side and arranges water inlet pipe and outlet pipe, the make-up water pipeline of water inlet pipe connection gas fired-boiler, and outlet pipe connection removes
The inlet pipeline of oxygen device.
As a kind of preferred implementation of the present utility model, the pipeline peak adding hot water side of described flue gas condenser
Place is provided for discharging the vent valve of air.
As a kind of preferred implementation of the present utility model, the pipeline minimum point adding hot water side of described flue gas condenser
Place is provided for the discharging valve of draining maintenance.
As a kind of preferred implementation of the present utility model, described in add the water inlet pipe of hot water side and connect shunt valve, bypass
Pipe connection accesses the oxygen-eliminating device of gas fired-boiler；It is respectively provided with bypass valve on described water inlet pipe and shunt valve.
As a kind of preferred implementation of the present utility model, described in add the water inlet pipe of hot water side and connect bypass conduit, other
Road pipeline connection outlet pipe；It is respectively provided with bypass valve on described water inlet pipe, outlet pipe and shunt valve.
As a kind of preferred implementation of the present utility model, described water inlet pipe arranges Pressure gauge.
As a kind of preferred implementation of the present utility model, described outlet pipe arranges temperature transmitter.
As a kind of preferred implementation of the present utility model, described make-up water pipeline is also connected with the ammonifying device that feeds water.
The gas fired-boiler of a kind of band flue gas condenser of the present utility model has the following technical effect that:
1, gas fired-boiler arranges flue gas condenser between economizer and chimney and/or in chimney Internal Flue, runs steady
Fixed, improve the inflow temperature of oxygen-eliminating device, reduce the steam consumption of oxygen-eliminating device, decrease the temperature difference within oxygen-eliminating device, reduce
The operating vibration of oxygen-eliminating device and sound.
2, after increasing flue gas condenser, gas fired-boiler exhaust gas temperature is reduced to less than 80 DEG C by 150 DEG C.
3, energy-saving effect is notable, confirms through performance test, and after improving flue gas condenser, the thermal efficiency of gas fired-boiler reaches
More than 99%.
Accompanying drawing explanation
Fig. 1 system diagram of the present utility model；
Fig. 2 structural plan of the present utility model.
Label declaration in accompanying drawing: 1-make-up water pipeline 2-flue gas condenser 3-oxygen-eliminating device 4-chimney 5-economizer
6-boiler body 7-feeds water ammonifying device.
Detailed description of the invention
It is described in detail of the present utility model below in conjunction with the accompanying drawings:
As shown in Figures 1 and 2, the gas fired-boiler of a kind of band flue gas condenser of the present utility model, including make-up water pipeline
1, oxygen-eliminating device 3, boiler body 6, economizer 5 and chimney 4, described make-up water pipeline 1 is communicated to boiler body 6 by oxygen-eliminating device 3,
Described economizer 5 is arranged in the back-end ductwork of boiler body 6, and the smoke outlet of described economizer 5 is communicated to chimney 4, institute
Between economizer 5 and the chimney 4 stated and/or in chimney 4 Internal Flue, flue gas condenser 2, the water inlet end of flue gas condenser 2 are set
Connecing the make-up water pipeline 1 from gas fired-boiler, the oxygen-eliminating device 3 of gas fired-boiler is accessed in the water side of flue gas condenser 2.
The gas fired-boiler of a kind of band flue gas condenser of the present utility model is between economizer 5 and chimney 4 and/or chimney 4
Flue gas condenser 2 is set in Internal Flue, stable, improve the inflow temperature of oxygen-eliminating device 3, reduce the consumption of oxygen-eliminating device 3
Vapour amount, decreases the temperature difference within oxygen-eliminating device 3, reduces the operating vibration of oxygen-eliminating device 3 and sound.
After the gas fired-boiler of a kind of band flue gas condenser of the present utility model increases flue gas condenser 2, gas fired-boiler is discharged fume
Temperature is reduced to less than 80 DEG C by 150 DEG C.
The gas fired-boiler energy-saving effect of a kind of band flue gas condenser of the present utility model is notable, confirms through performance test, carries
After high flue gas condenser, the thermal efficiency of gas fired-boiler reaches more than 99%.
Flue gas condenser 2 described in the utility model includes the fume side passed through for flue gas, and the bottom of fume side arranges use
The hydrophobic drain valve of formation is condensed after getting rid of off-gas recovery.So, what after can getting rid of off-gas recovery in time, condensation was formed dredges
Water.
Flue gas condenser 2 described in the utility model includes adding hot water side for water is hydronic, add hot water side arrange into
Water pipe and outlet pipe, the make-up water pipeline of water inlet pipe connection gas fired-boiler, the inlet pipeline of outlet pipe connection oxygen-eliminating device.This practicality
Novel being delivered to by gas fired-boiler make-up water after flue gas condenser 2 heats, in the supporting oxygen-eliminating device of gas fired-boiler 3, improves
The inflow temperature of oxygen-eliminating device 3, reduces the steam consumption of oxygen-eliminating device 3, decreases the temperature difference within oxygen-eliminating device 3, reduces oxygen-eliminating device 3
Operating vibration and sound.
Adding of flue gas condenser 2 described in the utility model is provided at the pipeline peak of hot water side discharging putting of air
Air valve.Flue gas condenser described in the utility model, when water inlet for the first time, need to open vent valve, air-discharging of intaking, it is ensured that supply
Water is full of whole condenser, improves heat exchange efficiency.Vent valve is arranged at peak by this utility model, is more beneficial for the complete of air
Full discharge, it is ensured that heat exchange efficiency.
Adding of flue gas condenser 2 described in the utility model is provided for putting of draining maintenance at the pipeline minimum point of hot water side
Water valve.So, the releasing completely of beneficially water, it is simple to carry out inspection operation.
As a kind of embodiment of the present utility model, described in add the water inlet pipe of hot water side and connect shunt valve, shunt valve is even
Connect the oxygen-eliminating device 3 into gas fired-boiler；It is respectively provided with bypass valve on described water inlet pipe and shunt valve.
As a kind of embodiment of the present utility model, described in add the water inlet pipe of hot water side and connect bypass conduit, shunt valve
Road connection outlet pipe；It is respectively provided with bypass valve on described water inlet pipe, outlet pipe and shunt valve.
Inlet channel and the outlet conduit of flue gas condenser 2 of the present utility model are provided with bypass valve, when condenser occurs
During fault, the import and export door of condenser 2 can be closed, keep bypass valve to open, thus ensure that gas fired-boiler make-up water can be just
Often it is delivered to oxygen-eliminating device 3, so will not cause the stoppage in transit of whole gas fired-boiler because of the fault of flue gas condenser 2.
As a kind of embodiment of the present utility model, described water inlet pipe arranges Pressure gauge.
As a kind of embodiment of the present utility model, described outlet pipe arranges temperature transmitter.
As a kind of embodiment of the present utility model, described make-up water pipeline 1 is also connected with the ammonifying device 7 that feeds water.
The above is only preferred embodiment of the present utility model, not makees this utility model any pro forma
Limit, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any familiar
The technical staff of this patent is in the range of without departing from technical solutions of the utility model, when the technology contents of available above-mentioned prompting is made
Go out a little change or be modified to the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solutions of the utility model,
Any simple modification, equivalent variations and the modification made above example according to technical spirit of the present utility model, the most still belongs to
In the range of this utility model scheme.
Claims (10)
1. a gas fired-boiler for band flue gas condenser, including make-up water pipeline, oxygen-eliminating device, boiler body, economizer and chimney,
Described make-up water pipeline is communicated to boiler body by oxygen-eliminating device, and described economizer is arranged in the back-end ductwork of boiler body,
The smoke outlet of described economizer is communicated to chimney, it is characterised in that between described economizer and chimney and/or in chimney
Flue gas condenser is set in portion's flue, the make-up water pipeline of the water inlet termination spontaneous combustion gas boiler of flue gas condenser, flue gas condenser
Water side access gas fired-boiler oxygen-eliminating device.
The gas fired-boiler of a kind of band flue gas condenser the most according to claim 1, it is characterised in that described flue gas condenser
Including the fume side passed through for flue gas, the bottom of fume side condenses hydrophobic the dredging of formation after being provided for getting rid of off-gas recovery
Water valve.
The gas fired-boiler of a kind of band flue gas condenser the most according to claim 1 and 2, it is characterised in that described flue gas is cold
Condenser includes adding hot water side for water is hydronic, adds hot water side and arranges water inlet pipe and outlet pipe, water inlet pipe connection gas-fired boiler
The make-up water pipeline of stove, the inlet pipeline of outlet pipe connection oxygen-eliminating device.
The gas fired-boiler of a kind of band flue gas condenser the most according to claim 3, it is characterised in that described flue gas condenser
Add be provided at the pipeline peak of hot water side discharge air vent valve.
The gas fired-boiler of a kind of band flue gas condenser the most according to claim 3, it is characterised in that described flue gas condenser
Add be provided at the pipeline minimum point of hot water side draining maintenance discharging valve.
The gas fired-boiler of a kind of band flue gas condenser the most according to claim 3, it is characterised in that described in add hot water side
Water inlet pipe connects shunt valve, and shunt valve connection accesses the oxygen-eliminating device of gas fired-boiler；It is respectively provided with on described water inlet pipe and shunt valve
Bypass valve.
The gas fired-boiler of a kind of band flue gas condenser the most according to claim 3, it is characterised in that described in add hot water side
Water inlet pipe connects bypass conduit, bypass conduit connection outlet pipe；It is respectively provided with bypass on described water inlet pipe, outlet pipe and shunt valve
Valve.
The gas fired-boiler of a kind of band flue gas condenser the most according to claim 3, it is characterised in that set on described water inlet pipe
Put Pressure gauge.
The gas fired-boiler of a kind of band flue gas condenser the most according to claim 3, it is characterised in that set on described outlet pipe
Put temperature transmitter.
The gas fired-boiler of a kind of band flue gas condenser the most according to claim 1, it is characterised in that described make-up pipe
Road is also connected with the ammonifying device that feeds water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817469.9U CN205859983U (en) | 2016-07-29 | 2016-07-29 | A kind of gas fired-boiler of band flue gas condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817469.9U CN205859983U (en) | 2016-07-29 | 2016-07-29 | A kind of gas fired-boiler of band flue gas condenser |
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| Publication Number | Publication Date |
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| CN205859983U true CN205859983U (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620817469.9U Active CN205859983U (en) | 2016-07-29 | 2016-07-29 | A kind of gas fired-boiler of band flue gas condenser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721665A (en) * | 2020-06-19 | 2020-09-29 | 陕西省特种设备检验检测研究院 | Method and device for detecting content of condensed water in boiler tail flue gas |
-
2016
- 2016-07-29 CN CN201620817469.9U patent/CN205859983U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721665A (en) * | 2020-06-19 | 2020-09-29 | 陕西省特种设备检验检测研究院 | Method and device for detecting content of condensed water in boiler tail flue gas |
| CN111721665B (en) * | 2020-06-19 | 2022-12-09 | 陕西省特种设备检验检测研究院 | Method and device for detecting content of condensed water in boiler tail flue gas |
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| GR01 | Patent grant |