CN207515513U - Sintering exhaust-heat boiler afterburning stove - Google Patents
Sintering exhaust-heat boiler afterburning stove Download PDFInfo
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- CN207515513U CN207515513U CN201721258341.4U CN201721258341U CN207515513U CN 207515513 U CN207515513 U CN 207515513U CN 201721258341 U CN201721258341 U CN 201721258341U CN 207515513 U CN207515513 U CN 207515513U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model is related to a kind of sintering exhaust-heat boiler afterburning stove, including waste heat heat source flue supervisor, flue gas mixed zone, combustion chamber, burner, air supply duct, fuel channel, igniting pipeline and control device；Flue gas mixed zone is responsible for respectively with waste heat heat source flue and combustion chamber, temperature element and flame detector are installed on combustion chamber, bottom of combustion chamber is equipped with burner, burner is connected separately with air supply duct, fuel channel and igniting pipeline, control device and is electrically connected with carbon monoxide detector, temperature element, flame detector and reversal valve.The main fuel chamber of burner and combustion-supporting air compartment are alternately arranged the steady fuel efficiency fruit that can improve burner by the utility model using multilayer, ensure still to be able to keep stablizing burning when gas pressure fluctuates in wide range, and the parameters such as fuel, wind speed can be adjusted in time by control device, the generation of NOx can be effectively reduced, furnace temperature is kept, extends the service life of castable refractory.
Description
Technical field
The utility model is related to sintering exhaust-heat boiler technical field more particularly to a kind of sintering exhaust-heat boiler afterburning stoves.
Background technology
Sintering circular-cooler cogeneration be by the low taste waste heat energy of ring cold flue gas low temperature exhaust heat boiler recovered flue gas,
With reference to low-temperature cogeneration, the newest of the Turbo-generator Set of low parameter acting power generation is pushed with the superheated steam of waste heat boiler
Complete set technology.Since sintering operating mode often changes, ring cold machine flue-gas temperature is unstable, the operation to sintering circular-cooler waste heat boiler
It influences very big.When sintering load is relatively low, flue-gas temperature is relatively low, and waste heat boiler, which is unable to reach, appraises and decides load, and efficiency reduces, even
It is unable to operate normally.In order to improve the utilization ratio of sintering circular-cooler waste heat boiler, make waste heat boiler when flue-gas temperature is relatively low
It also can normal operation, it is necessary to combustion-compensating device is added in afterheat generating system, improves boiler inlet flue-gas temperature, increases power generation
Ability.
Existing afterburning stove is set to the mixing section rear of the hot air duct of sintering circular-cooler and waste heat boiler, and with main heat
Wind pipeline is connected, and for afterburning stove integrally in " 7 " font, afterburning stove includes fire resisting material of furnace body.But structure design is simple, heat storage capacity
Difference, operating load adjustable range are dumb, it is impossible to effectively reduce the generation of NOx, burner stable fuel efficiency fruit is poor.
Utility model content
What the utility model solved is designed to provide a kind of sintering exhaust-heat boiler afterburning stove, to solve existing afterburning stove
The problem of heat storage capacity is poor, operating load adjustable range is dumb and steady fuel efficiency fruit is looked into.
In order to solve the above technical problems, the utility model proposes technical solution it is as follows：A kind of sintering exhaust-heat boiler afterburning
Stove, including waste heat heat source flue supervisor, flue gas mixed zone, combustion chamber, burner, air supply duct, fuel channel, igniting pipeline with
And control device；Carbon monoxide detector is installed on waste heat heat source flue supervisor, the flue gas mixed zone with it is described remaining
Heat source flue supervisor is connected, and the combustion chamber is connected with the bottom of the flue gas mixed zone, is installed on the combustion chamber
There are temperature element and flame detector, the bottom of combustion chamber is equipped with the burner, and the burner is connected separately with institute
It states air supply duct, fuel channel and igniting pipeline, the burner and includes multiple main fuel chamber being laid staggeredly and combustion air
Room, the adjacent main fuel chamber are connected or are disconnected by reversal valve with combustion-supporting air compartment, the control device respectively with an oxygen
Change carbon detector, temperature element, flame detector and reversal valve electrical connection, the control device controls the reversal valve, send
The opening and closing of wind pipeline, fuel channel and pipeline of lighting a fire.
According to sintering exhaust-heat boiler afterburning stove provided by the utility model, the main fuel chamber of burner is adopted with combustion-supporting air compartment
The steady fuel efficiency fruit of burner can be improved by being alternately arranged with multilayer, ensure still to be able to protect when gas pressure fluctuates in wide range
It keeps steady and determines burning, and temperature element and flame detector monitor in-furnace temperature and flame parameters and be sent to the parameter in real time
Control device in time can be adjusted the parameters such as fuel, wind speed by control device, can effectively reduce the life of NOx
Into.
In addition, according to the sintering exhaust-heat boiler afterburning stove of the utility model above-described embodiment, can also have following additional
Technical characteristic：
An example according to the present utility model, the main fuel chamber and/or combustion air indoor location have spinning disk.
An example according to the present utility model, the main fuel chamber and combustion-supporting air compartment are cylindrical chamber structure.
An example according to the present utility model, the flue gas mixed zone include with the air inlet of combustion chamber and with
Waste heat heat source flue is responsible for the mixed gas outlet being connected, and uniform intervals are laid with multiple board-like rectifications in the flue gas mixed zone
Grid.
An example according to the present utility model, the side wall of the combustion chamber lower part offer what is be connected with air supply duct
Air outlet, the bottom of combustion chamber offer the fuel inlet being connected with the fuel channel and are connected with the igniting pipeline
The lighting-up tuyere connect.
An example according to the present utility model, the temperature element are thermocouple.
An example according to the present utility model, the air supply duct are connected with wind turbine.
An example according to the present utility model, the control device include switch board and the control being arranged in switch board
Circuit, the switch board are equipped with control panel.
The advantages of more than additional aspect, will be set forth in part in the description, and partly will become bright from the following description
It shows or is recognized by the practice of the utility model.
Description of the drawings
Fig. 1 is the structure diagram of the utility model sintering exhaust-heat boiler afterburning stove；
Fig. 2 is the structure diagram of the burner of the utility model sintering exhaust-heat boiler afterburning stove.
In attached drawing, parts list represented by the reference numerals are as follows：
1st, waste heat heat source flue is responsible for；2nd, flue gas mixed zone；201st, honeycomb screen；3rd, combustion chamber；4th, burner；401st, main combustion
Gas chamber；402nd, combustion-supporting air compartment；403rd, reversal valve；5th, air supply duct；6th, fuel channel；7th, igniting pipeline；8th, control device；9th, one
Carbonoxide detector；10th, temperature element；11st, flame detector；12nd, wind turbine.
Specific embodiment
The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
With reference to shown in attached drawing 1, a kind of sintering exhaust-heat boiler afterburning stove is present embodiments provided, including waste heat heat source flue master
Pipe 1, flue gas mixed zone 2, combustion chamber 3, burner 4, air supply duct 5, fuel channel 6, igniting pipeline 7 and control device 8 etc.
Component；Carbon monoxide detector 9 is installed, carbon monoxide detector is responsible for for detecting flue on waste heat heat source flue supervisor 1
Interior carbonomonoxide concentration, and send the concentration information to control device, as shown in Figure 1, the flue gas mixed zone 2 of the present embodiment
On waste heat heat source flue supervisor 1 and coupled, the bottom of flue gas mixed zone 2 is connected with combustion chamber 3, and flue gas mixes
It can be integrally formed vertical structure to close area 2 and combustion chamber 3, be convenient for walking cigarette.
Temperature element 10 and flame detector 11 are installed, temperature element 10 is preferably heat on the combustion chamber 3 of the present embodiment
Galvanic couple, thermocouple have many advantages, such as that assembling is simple, high mechanical strength, high certainty of measurement, measurement range is big, thermal response time is fast.
3 bottom of combustion chamber is equipped with burner 4, and burner 4 is connected separately with air supply duct 5, fuel channel 6 and igniting pipeline 7, tool
It is that the side wall in 2 lower part of combustion chamber offers the air outlet being connected with air supply duct 5,2 bottom of combustion chamber offers for body
The fuel inlet being connected with fuel channel 6 and the lighting-up tuyere being connected with igniting pipeline 7.Air supply duct 5, fuel channel 6 with
And igniting pipeline 7 is respectively provided with multiple control valves, control device 8 is opened and closed above-mentioned pipeline by control valve, and air supply duct 5 passes through
Wind turbine 12 realizes air-supply.
As shown in Fig. 2, the burner 4 of the present embodiment includes multiple main fuel chamber 401 being laid staggeredly and combustion-supporting air compartment
402, adjacent main fuel chamber 401 is connected or is disconnected by reversal valve 403 with combustion-supporting air compartment 402, advantageous, the present embodiment is also in master
Fuel chamber and combustion air indoor location have spinning disk, effectively strengthen the mixing of air and coal gas, and for the spy of blast furnace gas
Property be provided with smooth combustion apparatus, ensure that gas pressure still is able to keep stablizing burning when fluctuate in wide range, it is not de- it is fiery, do not return
Fire.Stronger, the main fuel chamber 401 of the present embodiment and combustion-supporting air compartment 402 are cylindrical chamber structure, main 401 He of fuel chamber
Combustion-supporting 402 inner wall of air compartment is all provided with being set to cylinder, largely avoids in the middle part of edge and the regenerative chamber of rectangular regenerative chamber
The problem of temperature is inconsistent increases the contact area of heat so that heat conduction, the thermal storage performance enhancing of entire regenerative chamber improve
The utilization rate of heat.
Specifically, control device 8 includes switch board and the control circuit being arranged in switch board, switch board, which is equipped with, to be convenient for
The control panel of operation, control circuit can be one kind in PLC, single chip machine controlling circuit, and the control device of the present embodiment divides
It is not electrically connected with carbon monoxide detector, temperature element, flame detector and reversal valve, control device real-time reception one aoxidizes
Carbon detector, temperature element, flame detector transmission data information and carry out data processing and display, staff not only may be used
To control the opening and closing of reversal valve, air supply duct, fuel channel and pipeline of lighting a fire by control panel, and control can also be passed through
Device control air output, fuel delivery etc. are adjusted in real time, can effectively be reduced the generation of NOx, be kept furnace temperature, extend resistance to
The service life of fiery castable.
Advantageously, the flue gas mixed zone 2 of the present embodiment include with the air inlet of combustion chamber and with waste heat heat source cigarette
The mixed gas outlet (not shown) being connected is responsible in road, and uniform intervals are laid with multiple board-like honeycomb screens 201 in flue gas mixed zone,
Improve flue gas mixing efficiency.
In conclusion according to the sintering exhaust-heat boiler afterburning stove that the utility model embodiment provides, has the following advantages：
1st, the main fuel chamber of burner is alternately arranged, and in main fuel chamber and combustion air with combustion-supporting air compartment using multilayer
Indoor location has spinning disk, effectively strengthens the mixing of air and coal gas, and for the steady combustion dress of featured configuration of blast furnace gas
It puts, ensures that gas pressure still is able to keep stablizing burning when fluctuate in wide range, it is not de- fiery, no；Tempering
2nd, in-furnace temperature and flame parameters are monitored by temperature element and flame detector in real time and is sent to the parameter
Control device in time can be adjusted the parameters such as fuel, wind speed by control device, can effectively reduce the life of NOx
Into keeping furnace temperature, extend the service life of castable refractory；
3rd, main fuel chamber and combustion air chamber interior walls are all provided with being set to cylinder, largely avoid the corner of rectangular regenerative chamber
The problem of temperature in the middle part of place and regenerative chamber is inconsistent increases the contact area of heat so that heat conduction, the storage of entire regenerative chamber
Hot property enhances, and improves the utilization rate of heat；
4th, uniform intervals are laid with multiple board-like honeycomb screens in flue gas mixed zone, improve flue gas mixing efficiency.
In the description of the present invention, it is to be appreciated that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature right over second feature oblique upper or expression
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward or represents that fisrt feature level height is less than second feature.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.Moreover, description specific features, structure, material or
Feature may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, in not conflicting situation
Under, those skilled in the art can be by the different embodiments or examples and different embodiments or examples described in this specification
Feature be combined.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be construed as a limitation of the present invention, those of ordinary skill in the art are in the scope of the utility model
It is interior to make changes, modifications, substitutions and variations to the above described embodiments.
Claims (8)
1. a kind of sintering exhaust-heat boiler afterburning stove, which is characterized in that including waste heat heat source flue supervisor, flue gas mixed zone, burning
Room, burner, air supply duct, fuel channel, igniting pipeline and control device；It is equipped on the waste heat heat source flue supervisor
Carbon monoxide detector, the flue gas mixed zone are connected with waste heat heat source flue supervisor, the combustion chamber and the cigarette
The bottom of gas mixed zone is connected, and temperature element and flame detector, the bottom of combustion chamber peace are equipped on the combustion chamber
Equipped with the burner, the burner is connected separately with the air supply duct, fuel channel and igniting pipeline, the burning
Device includes multiple main fuel chamber being laid staggeredly and combustion-supporting air compartment, and the adjacent main fuel chamber and combustion-supporting air compartment are connected by reversal valve
On-off is opened, and the control device is electric with the carbon monoxide detector, temperature element, flame detector and reversal valve respectively
Connection, the control device control the opening and closing of the reversal valve, air supply duct, fuel channel and pipeline of lighting a fire.
2. sintering exhaust-heat boiler afterburning stove according to claim 1, which is characterized in that the main fuel chamber and/or combustion-supporting
Spinning disk is installed in air compartment.
3. sintering exhaust-heat boiler afterburning stove according to claim 1, which is characterized in that the main fuel chamber and combustion-supporting air compartment
For cylindrical chamber structure.
4. sintering exhaust-heat boiler afterburning stove according to claim 1, which is characterized in that the flue gas mixed zone includes and combustion
Burn the air inlet that is connected of room and the mixed gas outlet being connected with waste heat heat source flue supervisor, in the flue gas mixed zone uniformly
Interval is laid with multiple board-like honeycomb screens.
5. sintering exhaust-heat boiler afterburning stove according to claim 1, which is characterized in that the side wall of the combustion chamber lower part is opened
Equipped with the air outlet being connected with air supply duct, the bottom of combustion chamber offer with the fuel that the fuel channel is connected into
Mouth and the lighting-up tuyere being connected with the igniting pipeline.
6. sintering exhaust-heat boiler afterburning stove according to claim 1, which is characterized in that the temperature element is thermocouple.
7. sintering exhaust-heat boiler afterburning stove according to claim 1, which is characterized in that the air supply duct is connected with wind
Machine.
8. sintering exhaust-heat boiler afterburning stove according to claim 1, which is characterized in that the control device includes switch board
With the control circuit being arranged in switch board, the switch board is equipped with control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258341.4U CN207515513U (en) | 2017-09-28 | 2017-09-28 | Sintering exhaust-heat boiler afterburning stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721258341.4U CN207515513U (en) | 2017-09-28 | 2017-09-28 | Sintering exhaust-heat boiler afterburning stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207515513U true CN207515513U (en) | 2018-06-19 |
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ID=62533045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721258341.4U Active CN207515513U (en) | 2017-09-28 | 2017-09-28 | Sintering exhaust-heat boiler afterburning stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207515513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954374A (en) * | 2018-08-16 | 2018-12-07 | 哈尔滨锅炉厂有限责任公司 | Combined Cycle Heat Recovery Boiler afterburning wind system |
| CN113048802A (en) * | 2021-04-12 | 2021-06-29 | 重庆赛迪热工环保工程技术有限公司 | Method for reducing nitrogen oxides in multi-control-section heating furnace under low heat load |
-
2017
- 2017-09-28 CN CN201721258341.4U patent/CN207515513U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954374A (en) * | 2018-08-16 | 2018-12-07 | 哈尔滨锅炉厂有限责任公司 | Combined Cycle Heat Recovery Boiler afterburning wind system |
| CN108954374B (en) * | 2018-08-16 | 2023-05-30 | 哈尔滨锅炉厂有限责任公司 | After-combustion air system of combined cycle waste heat boiler |
| CN113048802A (en) * | 2021-04-12 | 2021-06-29 | 重庆赛迪热工环保工程技术有限公司 | Method for reducing nitrogen oxides in multi-control-section heating furnace under low heat load |
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