CN206803202U - Steam generator system - Google Patents
Steam generator system Download PDFInfo
- Publication number
- CN206803202U CN206803202U CN201720643946.9U CN201720643946U CN206803202U CN 206803202 U CN206803202 U CN 206803202U CN 201720643946 U CN201720643946 U CN 201720643946U CN 206803202 U CN206803202 U CN 206803202U
- Authority
- CN
- China
- Prior art keywords
- steam generator
- generator system
- flue
- smoke
- boiler
- 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
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000003546 flue gas Substances 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 238000002485 combustion reaction Methods 0.000 claims description 38
- 239000007921 spray Substances 0.000 claims description 22
- 239000000567 combustion gas Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 18
- 239000002817 coal dust Substances 0.000 claims description 16
- 239000002737 fuel gas Substances 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 10
- 239000003245 coal Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010761 intermediate fuel oil Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
Abstract
The utility model discloses a kind of steam generator system.Steam generator system includes boiler, economizer and SCR denitration device, economizer and SCR denitration device are arranged in the flue of boiler, the flue gas of boiler output passes through economizer and SCR denitration device successively, steam generator system also includes the Smoke-heating device and disturbing flow device being arranged in the flue between economizer and SCR denitration device, Smoke-heating device is used to heat flue gas when boiler is under low load condition to improve the temperature for the flue gas for entering SCR denitration device, and disturbing flow device is arranged at the downstream of Smoke-heating device.Steam generator system of the present utility model sets disturbing flow device to disturb the flue gas that Smoke-heating device heats in the downstream of Smoke-heating device, the temperature field of flue gas and the uniformity in flow field after heating is effectively ensured so that can reach required temperature into the flue gas in SCR denitration device and flue gas can be mixed with catalyst it is more uniform.
Description
Technical field
Thermal power generating technology field is the utility model is related to, more particularly to a kind of steam generator system.
Background technology
To accelerate energy technology innovation, coal unit peak regulation potentiality are excavated, fired power generating unit needs long-term underload fortune at present
Row frequently carries out depth peak regulation to meet the requirement of power network.But China's thermal power generation unit is not thrown oily steady combustion load and typically existed
40%BMCR or so, in order to adapt to the requirement of national grid, unit load need to be further reduced to 20%~30%BMCR.But
Boiler does not simply fail to ensure the stable burning of coal dust in stove in Ultra-low load operation, and the temperature of tail flue gas is relatively low, afterbody
Minimum temperature of the flue-gas temperature of the entrance of SCR denitration device needed for less than SCR denitration device operation, SCR denitration device can not
The problem of putting into operation.Therefore need to set set of system, ensure the boiler stable burning of coal dust and SCR denitration system under ultra-low load
The bringing normally into operation of system.
Utility model content
The purpose of this utility model is to provide a kind of steam generator system, to cause boiler SCR denitration in low load condition
Device can be with normal operation.
The utility model provides a kind of steam generator system, including boiler, economizer and SCR denitration device, economizer and SCR take off
Nitre device is arranged in the flue of boiler, and the flue gas of boiler output passes through economizer and SCR denitration device successively, and steam generator system is also
Including the Smoke-heating device and disturbing flow device being arranged in the flue between economizer and SCR denitration device, flue gas dress
Put for heating flue gas when boiler is under low load condition to improve the temperature for the flue gas for entering SCR denitration device, flow-disturbing
Device is arranged at the downstream of Smoke-heating device.
Further, guiding device includes being arranged at intervals spoiler along the width of flue.
Further, Smoke-heating device includes heat gun, and steam generator system includes adding for heat gun delivery of fuel gas
Hot combustion gas pipeline and the heating air duct that air is conveyed for heat gun, heat the Secondary Air wind of air duct and steam generator system
Road connects.
Further, flue includes being arranged at the inclination flue section below economizer, and heat gun is arranged in inclination flue
Duan Shang.
Further, Smoke-heating device includes 4~8 heat guns.
Further, the part lays positioned at the lower section of heat gun for tilting flue section have castable refractory.
Further, Smoke-heating device is arranged at close province's coal on the flue between economizer and SCR denitration device
The position of the smoke outlet of device.
Further, steam generator system includes coupling the control device of setting with Smoke-heating device and for measuring flue gas
Actual temperature and the temperature measuring equipment coupled with control device, the flue-gas temperature that control device measures according to temperature measuring equipment
Feedback control is carried out to Smoke-heating device.
Further, temperature measuring equipment is arranged at the smoke outlet of economizer and/or the flue gas of SCR denitration device enters
At mouthful.
Further, steam generator system also includes smooth combustion apparatus, and smooth combustion apparatus is used for when boiler is under low load condition
Combustion gas release heat is lighted to stablize the burning of coal dust in boiler.
Further, smooth combustion apparatus includes steady combustion spray gun, and steam generator system is also included for the steady combustion of steady combustion spray gun delivery of fuel gas
Gas pipeline and the steady combustion air duct that air is conveyed for steady combustion spray gun, the steady First air air channel for firing air duct and steam generator system
Connection.
Further, surely combustion spray gun is installed in the coal burner in the burner hearth of boiler.
Based on steam generator system provided by the utility model, including boiler, economizer and SCR denitration device, economizer and SCR
Denitrification apparatus is arranged in the flue of boiler, and the flue gas of boiler output passes through economizer and SCR denitration device successively, and its feature exists
In steam generator system also includes the Smoke-heating device being arranged in the flue between economizer and SCR denitration device and flow-disturbing dress
Put, Smoke-heating device is used to heat flue gas when boiler is under low load condition to improve the cigarette into SCR denitration device
The temperature of gas, disturbing flow device are arranged at the downstream of Smoke-heating device.Steam generator system of the present utility model takes off in economizer and SCR
Smoke-heating device is set make it that flue gas heats by Smoke-heating device when boiler is in low load condition between nitre device
The flue-gas temperature required by denitrification apparatus can be met afterwards and realized and put into operation to reduce the discharge of nitrogen oxides and realize environmental protection.And
And steam generator system of the present utility model sets disturbing flow device to heat Smoke-heating device in the downstream of Smoke-heating device
Flue gas is disturbed, and the temperature field of flue gas and the uniformity in flow field after heating is effectively ensured, so that into SCR denitration device
Interior flue gas can reach required temperature and flue gas can be mixed with catalyst it is more uniform.
Because boiler is in ultra-low load state, the coal dust in burner hearth, which can not be stablized, to burn, boiler system of the present utility model
System also includes smooth combustion apparatus.Smooth combustion apparatus is used to light combustion gas release heat when boiler is under low load condition to stablize pot
The burning of coal dust in stove.Ensure that boiler can realize that coal dust is stable in 20%~30% ultra-low load state and burn, Jin Ershi
The Ultra-low load operation of existing thermal power generation unit, reach the purpose of unit depth peak regulation.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the structural representation of the steam generator system of the utility model embodiment.
Each reference represents respectively：
1- burner hearths；2- economizers；3-SCR denitrification apparatus；4- guiding devices；5- coal burners；6- surely fires spray gun；7- is steady
Fire gas pipeline；8- heats gas pipeline；9- heat guns；10- heats air duct；11- Secondary Airs air channel；12- air preheaters；
14- castable refractories；15- fuel gas supply equipments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that each shown in accompanying drawing for the ease of description
The size of individual part is not to be drawn according to the proportionate relationship of reality.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as awarding
Weigh part for specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar
Label and letter similar terms is represented in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then with
It need not be further discussed in accompanying drawing afterwards.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
As shown in figure 1, the steam generator system of the utility model embodiment includes boiler, economizer 2 and SCR denitration device 3.Save
Coal device 2 and SCR denitration device 3 are arranged in the flue of boiler.The flue gas of boiler output passes through economizer 2 and SCR denitration successively
Device 3.The steam generator system of the utility model embodiment also includes being arranged in the flue between economizer 2 and SCR denitration device 3
Smoke-heating device and disturbing flow device 4.Smoke-heating device be used for when boiler be under low load condition heating flue gas with
The temperature into the flue gas of SCR denitration device is improved, guiding device 4 is arranged at the downstream of Smoke-heating device.The utility model
The steam generator system of embodiment sets Smoke-heating device to be in low negative in boiler between economizer 2 and SCR denitration device
During lotus state, flue-gas temperature of the flue gas required by it can meet denitrification apparatus after being heated by Smoke-heating device and realize and put into operation
Environmental protection is realized to reduce the discharge of nitrogen oxides.And the steam generator system of the utility model embodiment is in Smoke-heating device
Downstream sets disturbing flow device 4 to disturb the flue gas that Smoke-heating device heats, and the temperature of flue gas after heating is effectively ensured
And flow field uniformity so that can reach required temperature into the flue gas in SCR denitration device and flue gas with
Catalyst can mix more uniform.
Preferably, disturbing flow device includes the spaced multigroup spoiler of width along flue.It is arranged so that
Flue gas after being heated can be uniformly distributed on the width of flue, thus the temperature of the flue gas entered in SCR denitration device
Degree and flow field are more uniform, and the action effect of SCR denitration device more preferably realizes the nitrogen oxides low emission of steam generator system.
In the present embodiment, Smoke-heating device includes heat gun 9.Steam generator system is included for heating 9 delivery of fuel gas of spray
Heating gas pipeline 8 and for heat gun 9 convey air heating air duct 10.Heat air duct 10 and steam generator system
Secondary Air air channel 11 connect.Due to being subnormal ambient in flue, in the heating air duct 10 of the heat gun 9 of the present embodiment
Air come from Secondary Air air channel 11, although the pressure of the wind in Secondary Air air channel is relatively low, still can between flue shape
Into larger pressure difference, it is ensured that the injection of the flame of heat gun, therefore the steam generator system selection pressure of the present embodiment is relatively low
Secondary Air realize the burning of the combustion gas in heat gun, can be with cost-effective.
Certainly, heating air duct can also be connected with the First air air channel of steam generator system.
Heat gun 9 in the present embodiment is made up of main air gun and ignition air gun.
Preferably, the heat gun 9 of the present embodiment is arranged at leaning on the flue between economizer 2 and SCR denitration device 3
The position of the smoke outlet of nearly economizer 2.It is arranged such the flue gas for making to export from economizer 2 and is directly just arranged on outlet
The heat gun 9 at place is heated, and the temperature of flue gas improves faster, more efficient.
Preferably, in order that the flue gas on the width of flue can be heated, while ensure that flame will not be burnt out
Flue, heat gun 9 are arranged at the inclination flue section of the lower section of economizer 2.
Specifically, heat gun 9 is arranged at the lower section flue tilting section of economizer 2, and lays fire resisting in heat gun bottom
Castable 14, protect flue.
Preferably, in order to ensure that flue gas is heated properly, 4~8 heat guns 9 need to be set in flue, each heating spray
Rifle 9 is evenly arranged in flue interior edge flue width.
Preferably, steam generator system includes coupling the control device set and the reality for measuring flue gas with heat gun 9
Temperature and the temperature measuring equipment coupled with control device.The flue-gas temperature that control device measures according to temperature measuring equipment is to cigarette
Gas heater carries out feedback control.When boiler need to reduce load operation, gradually dropped with the reduction flue-gas temperature of boiler load
It is low, when the minimum temperature required less than SCR denitration device operation, start heat gun 9 and simultaneously measured according to temperature measuring equipment
Flue gas actual temperature adjustment spray into heat gun 9 inside gas quantity, ensure enter SCR denitration device flue gas temperature
More than required minimum temperature.
Preferably, temperature measuring equipment can be arranged to the smoke outlet of economizer.Directly temperature can also be surveyed
Amount device is arranged at the smoke inlet of SCR denitration device, as long as the flue gas for the SCR denitration device that temperature measuring equipment detects
The temperature of the flue gas of porch can reach the minimum temperature needed for SCR denitration device work.
Temperature survey dress can also be respectively provided with the smoke outlet of economizer and the smoke inlet of SCR denitration device
Put, the temperature that control device measures according to temperature measuring equipment controls the gas flow and air stream that are transported in heat gun
Amount is automatically adjusted.
Preferably, valve and flow measurement device are provided with the heating gas pipeline 8 of the present embodiment to add to being transported to
Gas quantity in thermic lance is accurately adjusted.
Pressure-reduced and-regulated regulator and device for pressure measurement are additionally provided with the heating gas pipeline 8 of the present embodiment with to heating
The pressure of combustion gas in gas pipeline 8 is adjusted and controlled.
Because boiler is in ultra-low load state, the coal dust in burner hearth 1, which can not be stablized, to burn, the steam generator system of the present embodiment
Also include smooth combustion apparatus.Smooth combustion apparatus is used to light combustion gas release heat when boiler is under low load condition to stablize boiler
The burning of interior coal dust.By verification experimental verification, the boiler of the present embodiment can ensure boiler in 20%~30% ultra-low load state
When can realize that the Ultra-low load operation of thermal power generation unit is realized in the stable burning of coal dust, realize unit depth peak regulation.
Specifically, the smooth combustion apparatus of the present embodiment includes steady combustion spray gun 6.Steam generator system also includes conveying for steady combustion spray gun 6
The steady combustion gas pipeline 7 of combustion gas and the steady combustion air duct (not shown) that air is conveyed for steady combustion spray gun 6, surely fire air hose
The First air air channel of road and steam generator system connects.
Valve, the measurement apparatus of pressure, temperature and flow are provided with steady combustion gas pipeline 7.
As shown in figure 1, the steam generator system of the present embodiment includes fuel gas supply equipment 15.The combustion gas of fuel gas supply equipment 15 goes out
Mouth is connected with steady combustion gas pipeline 7 and heating gas pipeline 8 respectively thinks steady combustion spray gun and heat gun delivery of fuel gas.
In the present embodiment, combustion gas can be natural gas, blast furnace gas or liquefied petroleum gas, gasification of biomass
The fuel gas such as gas and coal bed gas.
Valve, decompression voltage-regulating and voltage-stabilizing device, flow, pressure is provided with the combustion gas main pipeline of fuel gas supply equipment 15 to survey
Measure device and purging exchange system etc..
The steady combustion spray gun 6 of the present embodiment is installed in the coal burner 5 in the burner hearth 1 of boiler., can in boiler startup
To be applicable steady combustion spray gun 6 to substitute grease gun igniting, non-oil ignition is realized.Non-oil ignition can eliminate the combustion of boiler startup process intermediate fuel oil
Burn not exclusively to bring and the discharge of fuel oil pollution thing is stained and can reduced to caused by boiler heating surface.
When boiler starts underrun, with the reduction of boiler load, stove combustion process gradually weakens, when in stove
When burning can not be stablized by relying only on coal dust firing, start steady combustion spray gun, pass through the combustion of the stable coal dust of combustion heat release amount of combustion gas
Burn, realize that boiler at low load is run.The burning shape that flame detecting device is used to detect coal dust is provided with the burner hearth of the present embodiment
State, the fired state of the coal dust that can be detected according to flame detecting device so as to control device control the startup of steady combustion spray gun or
Disconnect and control stablizes the burning of coal dust into the flow of combustion gas and air in steady combustion spray gun.
In addition, the steam generator system of the present embodiment can use combustion gas combustion heat release amount in steady combustion spray gun to light in igniting
Coal dust, while start heat gun, SCR denitration device entrance flue gas temperature is improved to the lowest temperature required by SCR denitration device
Degree, ensures that SCR comes into operation.In this stage because SCR denitration device entrance flue gas temperature raises, the inlet flue gas temperature of air preheater 12 thereafter
Degree also corresponding rise, the air themperature rise after the heat exchange of air preheater 15, the whole air and gas system temperature rise of boiler, one or two times
Wind-warm syndrome, which raises, causes boiler milling system quickly to start, and is greatly reduced the time required to boiler startup, boiler controller system is grid-connected
Run time significantly shifts to an earlier date, and the increase of unit generation amount, obtains benefit increase.
In summary, the boiler of the present embodiment is in start-up course, SCR denitration device bringing normally into operation, the nitrogen oxidation of power plant
Thing discharge capacity can also meet the requirement of environmental protection.Therefore the steam generator system of the present embodiment can be realized from igniting, underrun very
All stage SCR denitration devices including to stoppage in transit put into operation, and realize overall process denitration, meet the emission request of nitrogen oxides.
Finally it should be noted that：Above example is only illustrating the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Specific embodiment of the present utility model can still be modified or some technical characteristics are equally replaced
Change；Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.
Claims (12)
1. a kind of steam generator system, including boiler, economizer (2) and SCR denitration device (3), the economizer (2) and the SCR
Denitrification apparatus (3) is arranged in the flue of the boiler, and the flue gas of the boiler output takes off by economizer (2) and SCR successively
Nitre device (3), it is characterised in that the steam generator system also includes being arranged at the economizer (2) and the SCR denitration device
(3) Smoke-heating device and disturbing flow device (4) in flue between, the Smoke-heating device are used to be in the boiler
Flue gas is heated when under low load condition to improve the temperature of the flue gas into the SCR denitration device (3), the disturbing flow device
(4) it is arranged at the downstream of the Smoke-heating device.
2. steam generator system according to claim 1, it is characterised in that the disturbing flow device (4) is included along the flue
Spaced at least two spoiler of width.
3. steam generator system according to claim 1, it is characterised in that the Smoke-heating device includes heat gun (9),
The steam generator system is including being the heating gas pipeline (8) of the heat gun (9) delivery of fuel gas and being the heat gun (9)
The heating air duct (10) of air is conveyed, the heating air duct (10) is connected with the Secondary Air air channel of the steam generator system
(11)。
4. steam generator system according to claim 3, it is characterised in that the flue includes being arranged at the economizer (2)
The inclination flue section of lower section, the heat gun (9) are arranged in the inclination flue section.
5. steam generator system according to claim 3, it is characterised in that the Smoke-heating device includes adding described in 4~8
Thermic lance (9).
6. steam generator system according to claim 4, it is characterised in that the inclination flue section is located at the heat gun
(9) part lays of lower section have castable refractory (14).
7. steam generator system according to claim 1, it is characterised in that the Smoke-heating device is arranged at the economizer
(2) position of the smoke outlet of the close economizer (2) on the flue between the SCR denitration device (3).
8. steam generator system according to claim 1, it is characterised in that the steam generator system includes filling with the flue gas
Put control device and the dress of the temperature survey for measuring the actual temperature of flue gas and being coupled with the control device that coupling is set
Put, the control device carries out feedback control according to the flue-gas temperature that the temperature measuring equipment measures to the Smoke-heating device
System.
9. steam generator system according to claim 8, it is characterised in that the temperature measuring equipment is arranged at the economizer
(2) at smoke outlet and/or the smoke inlet of the SCR denitration device (3).
10. steam generator system according to any one of claim 1 to 9, it is characterised in that the steam generator system also includes steady
Device is fired, the smooth combustion apparatus is used to light combustion gas release heat when the boiler is under low load condition to stablize boiler
The burning of interior coal dust.
11. steam generator system according to claim 10, it is characterised in that the smooth combustion apparatus includes steady combustion spray gun (6), institute
Steam generator system is stated also including being the steady combustion gas pipeline (7) of described steady combustion spray gun (6) delivery of fuel gas and surely firing spray gun (6) to be described
The steady combustion air duct of air is conveyed, the steady combustion air duct is connected with the First air air channel of the steam generator system.
12. steam generator system according to claim 11, it is characterised in that the steady combustion spray gun (6) is installed on the boiler
Burner hearth in coal burner (5) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720643946.9U CN206803202U (en) | 2017-06-06 | 2017-06-06 | Steam generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720643946.9U CN206803202U (en) | 2017-06-06 | 2017-06-06 | Steam generator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206803202U true CN206803202U (en) | 2017-12-26 |
Family
ID=60743858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720643946.9U Active CN206803202U (en) | 2017-06-06 | 2017-06-06 | Steam generator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206803202U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731027A (en) * | 2018-06-15 | 2018-11-02 | 国电科学技术研究院有限公司 | A kind of control system and method for Rear of Utility Boiler smoke temperature |
| CN108843453A (en) * | 2018-08-07 | 2018-11-20 | 郑州佛光发电设备有限公司 | Exhaust silencing and cooling device and vehicle-mounted micro gas turbine generator set |
| CN109458611A (en) * | 2018-12-03 | 2019-03-12 | 西安热工研究院有限公司 | A kind of device preventing low-temperature coal economizer of boiler dew point corrosion |
-
2017
- 2017-06-06 CN CN201720643946.9U patent/CN206803202U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731027A (en) * | 2018-06-15 | 2018-11-02 | 国电科学技术研究院有限公司 | A kind of control system and method for Rear of Utility Boiler smoke temperature |
| CN108843453A (en) * | 2018-08-07 | 2018-11-20 | 郑州佛光发电设备有限公司 | Exhaust silencing and cooling device and vehicle-mounted micro gas turbine generator set |
| CN109458611A (en) * | 2018-12-03 | 2019-03-12 | 西安热工研究院有限公司 | A kind of device preventing low-temperature coal economizer of boiler dew point corrosion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206803202U (en) | Steam generator system | |
| CN103727784B (en) | A kind of energy saving of system method of domestic ceramics oxygen-enriched combusting shuttle kiln | |
| KR101386053B1 (en) | Apparatus and method of combustion exhaust control in regenerative reheating furnace | |
| CN105987379B (en) | Boiler controller system | |
| CN202057036U (en) | Coal powder air heating furnace | |
| CN103868068B (en) | A kind of high-temperature oxygen direct-fire and surely fire system | |
| CN110345507A (en) | A kind of coal-fired boiler combustion Automatic Optimal control device | |
| CN105202575A (en) | Ignition method and device through high-temperature high oxygen torch generated by coal powder or crushed coal combustion | |
| CN203024179U (en) | Intelligent control system of pulverized coal burner | |
| CN105509036B (en) | Pulverized coal boiler pure oxygen burning system of the nitrogen-free without CO2 emission | |
| CN106287672A (en) | There is face-fired boiler and the control method thereof of thermoelectricity motility regulatory function | |
| CN106287673A (en) | There is w-type combustion boiler and the control method thereof of thermoelectricity motility regulatory function | |
| CN205640895U (en) | Combustion system | |
| CN205838912U (en) | A kind of coke oven combustion chamber segmentation supply heater | |
| CN105925276B (en) | A kind of coke oven combustion chamber segmentation gas supply heating device and its method | |
| CN103868054A (en) | Boiler starting speed increasing and oil-saving arrangement structure for heat power station and method for rapidly starting boiler | |
| CN201281356Y (en) | Temperature controlled type fuel feeding device for burning machine | |
| CN207990605U (en) | A kind of in due course oxygen supply decoupling burning device of multistage air distribution across Load Regulation | |
| CN110748877A (en) | Coal-fired boiler and control method | |
| JPS62238307A (en) | Method for blowing noncombustible fuel into blast furnace | |
| CN206176368U (en) | Pure oxygen combustor | |
| CN102967047A (en) | Coal dust hot-blast furnace | |
| CN105782965B (en) | A kind of heat-storage type burner | |
| CN105333421B (en) | A kind of conveying powdered fuel polyoxy burner of non-air and method | |
| CN211526413U (en) | Coal-fired boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |