CN207422191U - Reduce the air supply device of boiler discharged nitrous oxides total amount - Google Patents
Reduce the air supply device of boiler discharged nitrous oxides total amount Download PDFInfo
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- CN207422191U CN207422191U CN201721554717.6U CN201721554717U CN207422191U CN 207422191 U CN207422191 U CN 207422191U CN 201721554717 U CN201721554717 U CN 201721554717U CN 207422191 U CN207422191 U CN 207422191U
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Abstract
The utility model discloses a kind of air supply device for reducing boiler discharged nitrous oxides total amount, the boiler includes furnace body and fire grate, and the furnace body inner cavity below fire grate is plenum chamber, and hopper is provided on the furnace body outer wall, hydraulic pressure pusher is provided with below hopper；The plenum chamber is closing plenum chamber, and the air supply device includes air blower, controller and even cloth wind control mechanism；The blanking port of the hopper is additionally provided with quantitative blanking mechanism；Controlled end of the output terminal of the controller respectively with quantitative blanking mechanism, even cloth wind control mechanism and air blower is connected.The utility model makes the air quantity of feeding furnace body become controllable, so as to accomplish effectively to control excess air factor, and realizes that classification gasification burns, the nitrogen oxides total amount that boiler is discharged further is reduced to 100mg/m3Within, not only solve existing boiler generally existing discharged nitrous oxides total amount it is high the problem of, but also substantially reduce heat loss, improve the operational efficiency of boiler.
Description
Technical field
It is particularly a kind of to reduce the nitrogen oxides generated during boiler combustion the utility model is related to boiler technology field
The device of total emission volumn.
Background technology
According to statistics, the in-service Industrial Boiler sum in China about 600,000, wherein grate firing boiler accounts for the 70% of sum, China
Industrial Boiler design efficiency is normally only lower 1%-3% than developed country, but service efficiency low more than 10%, wherein layer is caused to fire pot
The main reason for stove actual operating efficiency is low, heat loss is big, discharged nitrous oxides total amount is high be exactly grate firing boiler air distribution it is unreasonable,
Bad adaptability.Under the trend gradually enhanced in environmental consciousness, discharged nitrous oxides total amount, which becomes, investigates the important of boiler performance
Index, to the discharged nitrous oxides total amount requirement control of coal-burning boiler in 200mg/m in national standard3Within.
Nitrogen oxides described in this field refers to the compound being made of two kinds of nitrogen, oxygen elements, mainly NO and
NO2, they are common atmosphere pollutions, therefore control the discharge that oxygen concentration, that is, excess air coefficient is controllable nitrogen oxides
Total amount.However, due to the problems such as air output existing for conventional boiler combustion system is uncontrollable, air supply device blow-by, cause
The total emission volumn of nitrogen oxides remains high always, can not arrive national standard emission request.
Utility model content
The utility model technical issues that need to address are to provide a kind of air feed for reducing boiler discharged nitrous oxides total amount
Device to solve the problems, such as that the discharged nitrous oxides total amount of existing boiler generally existing is high, is improving boiler operatiopn
On the basis of efficiency, the pollution to environment is reduced.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
The air supply device of boiler discharged nitrous oxides total amount is reduced, the boiler includes the furnace body that closing is set, furnace body
The lower left corner is tiltedly installed with fire grate, and the furnace body inner cavity below fire grate is plenum chamber, the furnace body inner cavity above fire grate by parallel to
The chimney arch that fire grate is arranged on furnace body front-rear side walls is respectively high-temperature gasification room and combustion chamber, between high-temperature gasification room and combustion chamber
It is connected by the arch mouth being arranged on chimney arch；The position that fire grate top is corresponded on the furnace body outer wall is provided with hopper, under hopper
Side be provided with direction of travel it is consistent with fire grate inclined direction, for the fuel in hopper is pushed to the hydraulic pressure on fire grate push
Device；The plenum chamber is closing plenum chamber, and the air supply device includes the air blast being arranged on the wall of closing plenum chamber front and rear sides
Machine, control air blower air output controller and be arranged on closing plenum chamber in ensure be sent into fire grate air quantity it is uniform
Even cloth wind control mechanism；The blanking port of the hopper is additionally provided with quantitative blanking mechanism；The output terminal of the controller respectively with
The controlled end connection of quantitative blanking mechanism, even cloth wind control mechanism and air blower, controller are determined according to needed for boiler load
The fuel quantity of quantitative blanking mechanism conveying, and the work of the air output and even cloth wind control mechanism according to fuel regulation air blower
State.
A kind of air supply device for reducing boiler discharged nitrous oxides total amount, the even cloth wind control mechanism include being arranged on pair
The furnace body inner left wall middle and upper part of plenum chamber, the wind for air blower to be blown into is answered to evenly spread to the indoor horizontal cloth wind of air-supply
Plate, it is described transverse direction air distribution plate on be evenly arranged with multiple vents.
A kind of air supply device for reducing boiler discharged nitrous oxides total amount, the transverse direction air distribution plate lower section are provided with use
In the Boiler pressure control mechanism of control vent openings of sizes；The Boiler pressure control mechanism includes being located at below horizontal air distribution plate and setting
It puts the slide in air-supply chamber interior walls and one side is engaged the slidably air distribution plate that can move back and forth on slide with slide；
The multiple ventilation holes identical with vent distribution mode on horizontal air distribution plate are offered on the slidably air distribution plate, slidably cloth
The leading screw for being parallel to slide direction setting is fixedly connected in the front end face of aerofoil；The leading screw is with being arranged on furnace body outer wall
Driving motor axis connection, the driving motor controlled end connection controller output terminal.
A kind of air supply device for reducing boiler discharged nitrous oxides total amount, the closing plenum chamber is interior will by air compartment baffle
Plenum chamber is divided into different blow zones, is both provided with to connect the air blast of air blower on the sidewall of the furnace body of each blow zones both sides
Machine interface.
A kind of air supply device for reducing boiler discharged nitrous oxides total amount, is also equipped with what is be mutually equipped on the air compartment baffle
Horizontal air distribution plate and Boiler pressure control mechanism.
A kind of air supply device for reducing boiler discharged nitrous oxides total amount, the quantitative blanking mechanism include being arranged on hopper
The cutting agency of enclosure interior and it is arranged on the load-bearing blanking mechanism that hopper shell is internally located at below cutting agency；Under described
The controlled end of material mechanism and load-bearing blanking mechanism is connected to the output terminal of controller.
A kind of air supply device for reducing boiler discharged nitrous oxides total amount, the cutting agency include being respectively fixedly disposed at
Two rectilinear orbits in hopper shell inner left wall and right side inner wall and the pull baffles that setting is engaged with rectilinear orbit,
One end that pull baffles stretch out hopper shell is fixedly connected with the cylinder one that control pull baffles move on rectilinear orbit, cylinder
One controlled end is connected to the output terminal of controller.
A kind of air supply device for reducing boiler discharged nitrous oxides total amount, the load-bearing blanking mechanism include bearing plate, set
It puts the swivel plate below bearing plate and is fixed at its signal end between bearing plate and swivel plate to be connected to controller defeated
Enter the weighing sensor at end；The left end face of the swivel plate is fixedly connected with rotation axis, revolving spindle discharge bucket housing left side
One end of wall is connected in the output terminal of servomotor by shaft coupling, and the controlled end of servomotor is connected to the output of controller
End；The swivel plate lower end is provided with the fixation limiting plate that is fixed on hopper shell rear wall and through before hopper shell
The mobile limiting plate at end, mobile limiting plate one end are fixedly connected on the tailpiece of the piston rod of cylinder two, and the controlled end of cylinder two is connected to
The output terminal of controller.
A kind of air supply device for reducing boiler discharged nitrous oxides total amount, the fire grate include square framework and are arranged on
The more fire bars being set up in parallel in square framework, by being overlapped several tiles being mutually buckled on fire bars successively between adjacent fire bars
Fire grate segment connects；It raises up in the middle part of the tiles fire grate segment and integral inclined down-set, neighbouring tiles fire grate segment
Between be provided with air outlet for the indoor wind of wind to be discharged diagonally downward；It is additionally provided in the square framework for stove
The cooling body that item cools down, cooling body include being horizontally installed on the cooling supply mains of square framework bottom, laterally set
The cooling water return pipe on square framework top and in fire bars and lower both ends respectively with cooling water return pipe and cooling water
The cooling water that manifold is connected is in charge of.
As a result of above technical scheme, technological progress acquired by the utility model is as follows.
The utility model passes through the quantitative blanking mechanism of setting and even cloth air control by the way that furnace body is improved to enclosed construction
Mechanism processed so that being sent into the air quantity of furnace body becomes controllable, so as to accomplish effectively to control excess air factor, and realizes classification gasification
The nitrogen oxides total amount that boiler is discharged further is reduced to 100mg/m by burning3Within, it is general to not only solve existing boiler
The problem of remaining high all over existing discharged nitrous oxides total amount, meets national standard emission request, but also substantially reduces heat
Loss improves the operational efficiency of boiler.
The horizontal air distribution plate of even cloth wind control mechanism described in the utility model is arranged on the air-supply chamber interior walls inside fire grate body
Middle and upper part, and multiple vents are evenly arranged on horizontal air distribution plate, the vent on horizontal air distribution plate enables to part wind
It is discharged in the middle part of from fire grate segment, remaining wind is blocked by horizontal air distribution plate and evenly spread to horizontal air distribution plate both sides so that
The enough distribution discharged visibly homogeneously from the position of fire grate both sides, realize air quantity inside plenum chamber of wind energy.Utility model is from stove
The air quantity that the air quantity of row middle part discharge discharge than both sides greatly or hour, can adjust vent by adjusting Boiler pressure control mechanism
Openings of sizes, and then realize the middle part of fire grate segment and the even distributing wind of both sides air quantity.
Quantitative blanking mechanism described in the utility model can realize that the fuel in hopper is quantitatively sent to fire grate every time
On body, and fuel feeding amount can be adjusted, greatly increase the thermal efficiency of boiler, avoid waste of fuel.
The structure that the fire grate of the utility model is matched using cooling fire bars and tiles fire grate segment, passes through adjacent tiles fire grate segment
Between tilt phase under ventilation opening set, fuel can be effectively prevented and fallen into plenum chamber, at the same cause tiles fire grate segment row
The wind gone out regularly gathers high-temperature gasification room bottom after being heated by fuel combustion, hot wind circulates from high-temperature gasification room bottom to arch
Mouth is sent into combustion chamber, forms thermal cycle, extends hot wind flow, improve the thermal efficiency of boiler.
Description of the drawings
Fig. 1 is the overall structure diagram of boiler described in the utility model；
Fig. 2 is the structure diagram of even cloth wind control mechanism described in the utility model；
Fig. 3 is the external structure schematic diagram of plenum chamber described in the utility model；
Fig. 4 is the structure diagram of hopper described in the utility model and quantitative blanking mechanism；
Fig. 5 is hopper internal structure sectional view described in the utility model；
Fig. 6 is the partial structural diagram of fire grate described in the utility model；
Fig. 7 is the control principle block diagram for air supply device described in the utility model.
Wherein：1. furnace body, 2. plenum chambers, 3. high-temperature gasification rooms, 4. combustion chambers, 5. fire grates, 6. chimney arch, 7. hoppers, 8. liquid
Press pusher, 9. Heat Rooms, 10. air blower interfaces；11. horizontal air distribution plate, 12. vents, 13. slides, 14. slidably cloth wind
Plate, 15. leading screws, 16. air compartment baffles, 17. driving motors；21. pull baffles, 22. cylinders one, 23. bearing plates, 24. swivel plates,
25. rotation axis, 26. servomotors, 27. fix limiting plate, 28. movement limiting plates, 29. cylinders two；31. fire bars, 32. tiles stoves
Screening, 33. cooling supply mains, 34. cooling water return pipe, 35. air outlets.
Specific embodiment
The utility model is further elaborated below in conjunction with specific embodiment.
A kind of air supply device for reducing boiler discharged nitrous oxides total amount, structure is as shown in Figure 1, boiler is set including closing
The furnace body 1 put, the lower left corner of furnace body are tiltedly installed with fire grate 5, and the furnace body inner cavity below fire grate is plenum chamber 2, above fire grate
Furnace body inner cavity is respectively high-temperature gasification room 3 and combustion chamber 4 by the chimney arch 6 that is arranged on parallel to fire grate on furnace body front-rear side walls,
It is connected between high-temperature gasification room and combustion chamber by the arch mouth being arranged on chimney arch；The position on fire grate top is corresponded on furnace body outer wall
Hopper 7 is provided with, hydraulic pressure pusher 8, direction of travel and the fire grate inclination side of hydraulic pressure pusher piston rod are provided with below hopper
To consistent, for the fuel in hopper to be pushed on fire grate；Plenum chamber in the utility model is to close plenum chamber, hopper
It is set by fuel and the closing of hydraulic pressure pusher between fire grate feed inlet, can control so as to ensure to be sent into the in vivo air quantity of stove.
Air supply device described in the utility model includes air blower, controller and even cloth wind control mechanism.Wherein, air blast
Machine is arranged on the front and rear sides wall of closing plenum chamber, and offering Blast mechanism on the furnace body front-rear side walls of corresponding plenum chamber connects
Mouthful, it is connected with air blower.When plenum chamber is divided into different blow zones by air compartment baffle 16 in closing plenum chamber, each send
Air blower interface is both provided on the sidewall of the furnace body of Feng Qu front and rear sides；All air-supplies of fire grate can be ensured by adopting the structure
Mouth balanced ventilation.
Even cloth wind control mechanism is arranged on the inboard wall of furnace body of closing plenum chamber, for ensureing to be sent into each position of fire grate
Air quantity uniformity.
The structure of even cloth wind control mechanism as shown in Figures 2 and 3, including mutually equipped horizontal air distribution plate 11 and Boiler pressure control
Mechanism.Horizontal air distribution plate 11 is arranged on the air-supply chamber interior walls middle and upper part of furnace interior, is evenly arranged on horizontal air distribution plate 11 more
A vent 12, the vent on horizontal air distribution plate enable to part wind to be discharged in the middle part of fire grate, and remaining wind is by horizontal cloth
Aerofoil blocks and is evenly spread to horizontal air distribution plate both sides so that wind energy is enough to arrange visibly homogeneously from the position of fire grate both sides
Go out；Boiler pressure control mechanism is close to be arranged below horizontal air distribution plate, for controlling each vent openings of sizes.
Boiler pressure control mechanism includes slide 13, slidably air distribution plate 14, leading screw 15 and driving motor 17.Slide 13 is located at
Horizontal 11 lower section of air distribution plate, is arranged on the inboard wall of furnace body on the left of corresponding plenum chamber；The slidably one side of air distribution plate 14 and slide
13 are engaged and can move back and forth on slide 13, and multiple ventilation holes, ventilation hole and horizontal cloth are slidably offered on air distribution plate
The distribution mode of vent is identical on aerofoil；One end of leading screw is fixedly connected with the side end face face of slidably air distribution plate, leading screw with
Slide is arranged in parallel；Driving motor is fixed on furnace body outer wall, and the output shaft of driving motor passes through shaft coupling and leading screw
The other end is fixedly connected with the output terminal of the controlled end connection controller of driving motor, can be slided for changing under command of a controller
Dynamic air distribution plate is in the relative position of horizontal air distribution plate.
In order to meet preferably combustion needs and air quantity even distributing wind demand, the imperfect combustion of fuel is avoided, reduces heat
The loss of amount when plenum chamber is divided into multiple independent air-feeding areas, is respectively provided with one group of even cloth on the partition plate on the left of each blow zones
Wind control mechanism.
The operation principle of even cloth wind control mechanism is：Wind is blown into plenum chamber by air blower by air blower interface, main
The wind concentrated in the middle part of plenum chamber inner cavity stops part air quantity by horizontal air distribution plate, and what is be blocked distinguished and admirable leads in plenum chamber
Chamber both sides are discharged from fire grate both sides, and the wind not being blocked realizes furnace interior by vent discharge in the middle part of fire grate by wind
Laterally homogeneous cloth wind.
The air quantity that the air quantity of discharge discharge than both sides in the middle part of the fire grate greatly or hour, can be by adjusting Boiler pressure control mechanism
Vent openings of sizes is adjusted, realizing the even distributing wind at the middle part of fire grate and both sides air quantity.Controller is obtained according to calculating
Drive signal, control driving motor drive leading screw to be further driven to slidably air distribution plate and are slided on slide, adjustment to be controlled to arrange
Air holes openings of sizes.When the air quantity of the discharge in the middle part of fire grate is bigger than the air quantity that both sides are discharged, vent opening is adjusted smaller；
When the air quantity of the discharge in the middle part of fire grate is smaller than the air quantity that both sides are discharged, vent opening is adjusted big.
To realize the accurate control to air output, the utility model is provided with quantitative blanking mechanism in the blanking port of hopper,
Controller determines single shot fuel amount according to production and technical indication and boiler parameter, then by the way that quantitative blanking mechanism is controlled to carry out
Accurate feeding.The structure of quantitative blanking mechanism as shown in Figure 4 and Figure 5, including be arranged on the cutting agency inside hopper shell with
And it is arranged on the load-bearing blanking mechanism that hopper shell is internally located at below cutting agency；Cutting agency and load-bearing blanking mechanism by
Control end is connected to the output terminal of controller.
Cutting agency includes two rectilinear orbits, a pull baffles 21 and cylinder 1.Two rectilinear orbits are solid respectively
Surely it is arranged in hopper shell inner left wall and right side inner wall；Pull baffles set idler wheel, idler wheel and straight line on 21 left and right sides
Track is mutually equipped with, and pull baffles is facilitated to be moved in rectilinear orbit；The tailpiece of the piston rod of cylinder 1 is fixedly connected on pull baffles
It stretches out on hopper shell and one end of openend is set, the controlled end of cylinder one is connected to the output terminal of controller, and controller can
Set the operating frequency of cylinder one and the blanking amount of pull baffles.
Load-bearing blanking mechanism includes bearing plate 23, swivel plate 24, weighing sensor, rotation axis 25, servomotor 26, fixation
Limiting plate 27, mobile limiting plate 28 and cylinder 2 29.Bearing plate is arranged inside hopper shell, below pull baffles；Rotation
Flap is arranged below bearing plate；Weighing sensor is fixed between bearing plate and swivel plate, the signal of weighing sensor
End is connected to the input terminal of controller, and weighing sensor can feed back to the weight of fuel signal on bearing plate and bearing plate
Controller；Rotation axis is fixedly connected on swivel plate, and rotation axis rotation can drive swivel plate to overturn, so as to fulfill by bearing plate
On fuel be sent to hopper discharge port；Servomotor 26 is connected in the one of revolving spindle discharge bucket housing left side wall by shaft coupling
End, the controlled end of servomotor are connected to the output terminal of controller；Fixed limiting plate 27 is fixed at hopper shell rear wall
On, positioned at being arranged on 24 lower end of swivel plate；Mobile limiting plate 28, which is located at, is arranged on swivel plate lower end, through hopper shell front side wall
The opening of setting；The tailpiece of the piston rod of cylinder two is fixedly connected on one end of mobile limiting plate, and the controlled end of cylinder two is connected to control
The output terminal of device processed.
Quantitatively the operation principle of blanking mechanism is：After fuel adds in hopper, controller control cylinder one loses heart, and cylinder one is drawn
Dynamic pull baffles travel forward, and form a blanking port, and the fuel above pull baffles is fallen on bearing plate；Weighing sensor
Weight of fuel on bearing plate is constantly weighed, and weight signal is fed back into controller.When weighing sensor feedback
When weight signal reaches the gravimetric value of controller setting, controller control cylinder one is inflated, and cylinder one pulls pull baffles backward
Movement, blanking port is blocked so that no longer connected above and below pull baffles；At the same time, controller control cylinder two
Lose heart, cylinder two drives mobile limiting plate extraction hopper shell；Then, controller control servomotor running so that swivel plate
90 ° are rotated clockwise with bearing plate, is then stopped operating, at this point, fuel is fallen from bearing plate.Fuel is fallen from bearing plate
Afterwards, controller control servomotor rotates backward, and swivel plate and bearing plate rotate counterclockwise 90 ° of resets；Then controller controls
Cylinder two is inflated, and mobile limiting plate returns to original position, and mobile limiting plate is with fixed limiting plate collective effect to bearing plate and rotation
Plate supports, to facilitate load-bearing next time.
After the completion of one-time feeding, load weighted fuel is by hopper lower section, corresponding fire grate feed inlet, the gear being hinged on furnace body
Plate blocks；Controller control hydraulic pressure pusher running drives the scraping wings of hydraulic pressure pusher end that fuel is pushed into fire grate oblique
On fire grate segment on face.To ensure that fuel can fully be covered with fire grate, the utility model hydraulic pressure pusher is arranged to incline with fire grate
Inclined-plane is parallel, and the range of hydraulic pressure pusher is located at 1/3 to 1/2 place of fire grate inclination downwards.
To ensure that fire grate can be to fuel balanced ventilation thereon, and the service life of fire grate, this practicality can be improved
New fire grate structure is arranged to the structure as shown in Fig. 2,3 and 6.Specially：Fire grate includes square framework and the side of being arranged on
The more fire bars being set up in parallel on type frame, by being overlapped several tiles being mutually buckled on fire bars successively between adjacent fire bars 31
Fire grate segment 32 connects；The middle part of tiles fire grate segment 32 raises up and integral inclined down-set, neighbouring tiles fire grate segment
Between be provided with air outlet 35, for that will blow, indoor wind is discharged diagonally downward.Cooling body is additionally provided in square framework,
For cooling down to fire bars, fire bars service life is improved, cooling body includes being horizontally installed on the cooling of square framework bottom
Supply mains 33, the cooling water return pipe 34 for being horizontally installed on square framework top and in fire bars and lower both ends respectively with it is cold
But water return pipe is in charge of with the cooling water that cooling supply mains is connected.
Controller is independently disposed to outside furnace body, and the connection relation of controller and other controlled plants is as shown in Figure 7.Controller
During specific works, stoker surface machine, high-temperature gasification building volume and the production and technical indication of boiler can be manually entered, is calculated accordingly
Single shot fuel amount determines the air output of air blower according to fuel quantity, and the work of even cloth wind control mechanism is adjusted according to air output
State on the basis of ensureing the abundant efficient burning of fuel, reduces the discharged nitrous oxides total amount of boiler.
Claims (9)
1. reducing the air supply device of boiler discharged nitrous oxides total amount, the boiler includes the furnace body that closing is set（1）, furnace body
The lower left corner is tiltedly installed with fire grate（5）, the furnace body inner cavity below fire grate is plenum chamber（2）, the furnace body inner cavity above fire grate passes through
It is respectively high-temperature gasification room and combustion chamber parallel to the chimney arch that fire grate is arranged on furnace body front-rear side walls, high-temperature gasification room is with burning
It is connected between room by the arch mouth being arranged on chimney arch；The position that fire grate top is corresponded on the furnace body outer wall is provided with hopper
（7）, be provided with below hopper direction of travel it is consistent with fire grate inclined direction, for the fuel in hopper to be pushed on fire grate
Hydraulic pressure pusher（8）；It is characterized in that：The plenum chamber is closing plenum chamber, and the air supply device is sent including being arranged on closing
It air blower on the wall of air compartment front and rear sides, the controller for controlling air blower air output and is arranged in closing plenum chamber and ensures to send
Enter the uniform even cloth wind control mechanism of air quantity of fire grate；The blanking port of the hopper is additionally provided with quantitative blanking mechanism；Institute
Controlled end of the output terminal of controller respectively with quantitative blanking mechanism, even cloth wind control mechanism and air blower is stated to be connected.
2. the air supply device according to claim 1 for reducing boiler discharged nitrous oxides total amount, it is characterised in that：It is described even
Cloth wind control mechanism includes being arranged on the furnace body inner left wall middle and upper part of corresponding plenum chamber, uniform for the wind that is blown into air blower
It is distributed to the indoor horizontal air distribution plate of air-supply（11）, the transverse direction air distribution plate（11）On be evenly arranged with multiple vents（12）.
3. the air supply device according to claim 2 for reducing boiler discharged nitrous oxides total amount, it is characterised in that：The horizontal stroke
To air distribution plate（11）Lower section is provided with to control vent（12）The Boiler pressure control mechanism of openings of sizes；The air quantity control
Mechanism processed includes being located at horizontal air distribution plate（11）Lower section and the slide being arranged in air-supply chamber interior walls（13）And one side and slide
（13）It is engaged the slidably air distribution plate that can move back and forth on slide（14）；The slidably air distribution plate（14）On offer
The multiple ventilation holes identical with vent distribution mode on horizontal air distribution plate, slidably air distribution plate（14）Front end face on it is fixed
It is connected with the leading screw set parallel to slide direction（15）；The leading screw（15）With being arranged on furnace body（1）Driving electricity on outer wall
Machine（17）Axis connection, the output terminal of the controlled end connection controller of the driving motor.
4. the air supply device according to claim 3 for reducing boiler discharged nitrous oxides total amount, it is characterised in that：The envelope
It closes and passes through air compartment baffle in plenum chamber（16）Plenum chamber is divided into different blow zones, on the sidewall of the furnace body of each blow zones both sides
It is both provided with to connect the air blower interface of air blower.
5. the air supply device according to claim 4 for reducing boiler discharged nitrous oxides total amount, it is characterised in that：The wind
The horizontal air distribution plate being mutually equipped with and Boiler pressure control mechanism are also equipped on the partition plate of room.
6. the air supply device according to claim 1 for reducing boiler discharged nitrous oxides total amount, it is characterised in that：It is described fixed
Amount blanking mechanism includes being arranged on the cutting agency inside hopper shell and being arranged on hopper shell being internally located at cutting agency
The load-bearing blanking mechanism of lower section；The controlled end of the cutting agency and load-bearing blanking mechanism is connected to the output terminal of controller.
7. the air supply device according to claim 6 for reducing boiler discharged nitrous oxides total amount, it is characterised in that：Under described
Material mechanism includes two rectilinear orbits and and the straight line that are respectively fixedly disposed in hopper shell inner left wall and right side inner wall
Track is engaged the pull baffles of setting（21）, pull baffles（21）The one end for stretching out hopper shell is fixedly connected with control pull
The cylinder one that baffle moves on rectilinear orbit（22）, cylinder one（22）Controlled end be connected to the output terminal of controller.
8. the air supply device according to claim 6 for reducing boiler discharged nitrous oxides total amount, it is characterised in that：It is described to hold
Weight blanking mechanism includes bearing plate（23）, be arranged on bearing plate（23）The swivel plate of lower section（24）And it is fixed at bearing plate
Its signal end is connected to the weighing sensor of controller input terminal between swivel plate；The swivel plate（24）Left end face consolidate
Surely it is connected with rotation axis（25）, rotation axis（25）The one end for stretching out hopper shell left side wall is connected in servomotor by shaft coupling
（26）Output terminal, servomotor（26）Controlled end be connected to the output terminal of controller；The swivel plate（24）Lower end is set
There is the fixation limiting plate being fixed on hopper shell rear wall（27）With through the mobile /V on hopper shell front side wall
Plate（28）, mobile limiting plate（28）One end is fixedly connected on cylinder two（29）Tailpiece of the piston rod, cylinder two（29）Controlled end connect
It is connected to the output terminal of controller.
9. the air supply device according to claim 1 for reducing boiler discharged nitrous oxides total amount, it is characterised in that：The stove
Arrange the more fire bars being set up in parallel for including square framework and being arranged in square framework, adjacent fire bars（31）Between by according to
Secondary overlapping is mutually buckled in several tiles fire grate segments on fire bars（32）Connection；The tiles fire grate segment（32）Middle part raise up and
It is integral inclined down-set, it is provided with to blow what indoor wind was discharged diagonally downward between neighbouring tiles fire grate segment
Air outlet（35）；The cooling body for cooling down to fire bars is additionally provided in the square framework, cooling body includes horizontal stroke
To the cooling supply mains for being arranged on square framework bottom（33）, be horizontally installed on the cooling water return pipe on square framework top（34）
And in fire bars and lower both ends are in charge of respectively with cooling water return pipe and the cooling water that is connected of cooling supply mains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554717.6U CN207422191U (en) | 2017-11-20 | 2017-11-20 | Reduce the air supply device of boiler discharged nitrous oxides total amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554717.6U CN207422191U (en) | 2017-11-20 | 2017-11-20 | Reduce the air supply device of boiler discharged nitrous oxides total amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207422191U true CN207422191U (en) | 2018-05-29 |
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ID=62303484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721554717.6U Active CN207422191U (en) | 2017-11-20 | 2017-11-20 | Reduce the air supply device of boiler discharged nitrous oxides total amount |
Country Status (1)
| Country | Link |
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| CN (1) | CN207422191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820162A (en) * | 2021-01-13 | 2021-05-18 | 四川洲集应急服务有限公司 | Fire situation simulation device for safety emergency training |
-
2017
- 2017-11-20 CN CN201721554717.6U patent/CN207422191U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820162A (en) * | 2021-01-13 | 2021-05-18 | 四川洲集应急服务有限公司 | Fire situation simulation device for safety emergency training |
| CN112820162B (en) * | 2021-01-13 | 2022-05-13 | 四川洲集应急服务有限公司 | Fire situation simulation device for safety emergency training |
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