CN208720253U - A kind of boiler plant with flue gas ash removal, desulfurization and denitrification apparatus - Google Patents
A kind of boiler plant with flue gas ash removal, desulfurization and denitrification apparatus Download PDFInfo
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- CN208720253U CN208720253U CN201821251493.6U CN201821251493U CN208720253U CN 208720253 U CN208720253 U CN 208720253U CN 201821251493 U CN201821251493 U CN 201821251493U CN 208720253 U CN208720253 U CN 208720253U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model provides a kind of boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, belongs to boiler plant technical field.This has flue gas ash removal, the boiler plant of desulfurization and denitrification apparatus, including the boiler with burner hearth, air blower is arranged in the front end of boiler, air-introduced machine is arranged in the rear end of boiler, chimney is arranged in the outside of air-introduced machine, it is characterized in that, fluorine plastic-steel preheater is set gradually between the boiler and air-introduced machine, dust cleaning case, desulfurizing tower and denitrating tower, fluorine plastic-steel preheater includes the shell with internal cavity, several fluorine Plastic Steel Pipes are provided in internal cavity, and one end of several fluorine Plastic Steel Pipes is pierced by shell and is provided with the first connecting plate, the first spherical the cover is fixed on first connecting plate, first spherical the cover is connected with air blower, the other end is pierced by shell and is provided with the second connecting plate, the second spherical the cover is fixed on second connecting plate, second spherical the cover is connected with burner hearth.The utility model has the advantages that flue gas heat preheated air can be utilized.
Description
Technical field
The utility model belongs to boiler plant technical field, is related to a kind of boiler plant, especially a kind of to remove with flue gas
Dirt, desulfurization and denitrification apparatus boiler plant.
Background technique
Under normal circumstances, boiler plant need to install air-introduced machine and air blower.The air quantity of air-introduced machine is greater than blower air quantity, from
And form negative-pressure firing.Air-introduced machine is mounted on boiler tail end, for extracting the hot fume of burner hearth；Air blower is mounted on boiler head
End, for blowing into fresh air to boiler.Air-introduced machine is equivalent to exhaust fan, and air blower is equivalent to pressure fan.Air blower is to blow sky
Gas, as boiler wind speed adjustment；Air-introduced machine pulls out air, is typically mounted at boiler tail, as smoke discharging.
The flue dust generated by coal-fired and other substance combustion processes, and the machines such as, screening broken to solid material and conveying
The flue dust that tool process generates, dedusting is exactly the process that these particles are separated from flue dust and are trapped, are recycled.Flue gas
The technology of dedusting includes sack cleaner technology, electric precipitator technology and electric bag combined dust catcher technology.
It is early both at home and abroad to have been carried out a large amount of research at present for the removing of sulphur in fire coal.It can be divided into from desulfurization link:
Flue gas desulfurization in the preceding desulfurization of burning, burning after desulfurization, burning.Sulfur method has hundreds of, but only the ten of industrial applications
Several, the desulfurization technology of large-scale commercial application is flue gas desulfurization after burning in the world at present.Flue gas desulfurization is used by it
Absorbent medium is that solid-state or liquid can be divided into dry method, semidry method, wet process.
Denitration technology is broadly divided into low NOXDenitrating flue gas after combustion technology and burning.Wherein, low NOXCombustion technology exists
Domestic new power plant construction is widely used, and main method has Researched of Air Staging Combustion Burning Pulverized Coal, fuel-staged combustion, low nitrogen burning, concentration
Deviation burning, flue gas recirculation etc..And denitrating flue gas is the reduction NO that current developed country generallys use after burningXThe side of discharge
Method, denitration efficiency with higher, using more mature and extensive selective catalytic reduction method (SCR), selectivity is non-urges
The technologies such as change reduction method (SNCR), electronic beam method and the reduction of red-hot carbon.
But in the prior art, energy waste is serious during flue gas emission, if can be returned the heat of flue gas
It receives and utilizes, then can effectively improve the efficiency of boiler.Also, during flue gas emission, not because making flue gas during processing
Explosion is generated, needs to keep the stabilization of outlet air overpressure.
So those skilled in the art are need to improve boiler plant in the prior art, so that
Boiler operatiopn is more stable, and capacity usage ratio reaches maximization.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, propose it is a kind of with flue gas ash removal,
The boiler plant of desulfurization and denitrification apparatus, technical problem to be solved in the utility model are how to realize removing for boiler smoke
Dirt, desulfurization and denitration and flue gas heat utilize, and guarantee the smooth circulation of flue gas, to realize that flue gas is pollution-free or low dirt
Dye discharge.
The purpose of this utility model can be realized by the following technical scheme: one kind having flue gas ash removal, desulfurization and denitration
The boiler plant of device, including the boiler with burner hearth, the front end of boiler is provided with the drum that can blow air into boiler furnace
Blower, the rear end of boiler are provided with the air-introduced machine for extracting burner hearth hot fume, chimney, feature are provided on the outside of air-introduced machine
Be, set gradually between the boiler and air-introduced machine fluorine plastic-steel preheater with gas inlet one and exhanst gas outlet one,
Dust cleaning case with gas inlet two and exhanst gas outlet two, the desulfurizing tower with gas inlet three and exhanst gas outlet three and have cigarette
The denitrating tower of gas import four and exhanst gas outlet four, gas inlet one are connected by discharge pipe one with burner hearth, and exhanst gas outlet one is logical
It crosses discharge pipe two to be connected with gas inlet two, exhanst gas outlet two is connected by discharge pipe three with gas inlet three, and flue gas goes out
Mouth three is connected by discharge pipe four with gas inlet four, and exhanst gas outlet four is connected by discharge pipe five with the air inlet of air-introduced machine
Logical, the air outlet of air-introduced machine is connected by discharge pipe six with chimney；The fluorine plastic-steel preheater includes having internal cavity
Shell, is provided in the internal cavity several in the horizontally disposed fluorine Plastic Steel Pipe of array, and one end of several fluorine Plastic Steel Pipes is worn
Shell is provided with the first connecting plate out, and being fixed on the first connecting plate can surround the port of fluorine Plastic Steel Pipe one end
The first spherical the cover, the first spherical the cover passes through blast pipe one with air blower and is connected, and the other end of several fluorine Plastic Steel Pipes is worn
Shell is provided with the second connecting plate out, and being fixed on the second connecting plate can surround the port of the fluorine Plastic Steel Pipe other end
The spherical the cover of second firmly, the second spherical the cover are connected with burner hearth by blast pipe two；The air-introduced machine include pedestal and
The inlet box being set on the base, the inlet box has air inlet and air outlet and air inlet and air outlet are at right angles set
It sets, the outlet of inlet box is removably connected with fan housing, and the other end of fan housing is removably connected with diffusion cylinder, the air inlet of the fan housing
End is detachably provided with radome fairing, and the outlet air end of fan housing is detachably provided with pod, be equipped in pod several rear guide vanes and
Rear guide vane is arranged circumferentially along the inner wall of pod, and bearing and bearing block rotation are provided with master in the inlet box
Shaft, one end of main shaft are provided with the motor for being able to drive its rotation by shaft coupling one, and the other end of main shaft passes through
Shaft coupling two is provided with base bearing, and wheel hub is fixed on the base bearing, and the wheel hub is evenly arranged in its circumferential direction
Several blades are provided with the automatic lubrication mechanism that automatic addition lubricating oil can be carried out to the bearing on the pedestal.
This boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, its working principle is that such: firstly, flue gas
After being exported in the burner hearth of boiler, enter in fluorine plastic-steel preheater, using air blower will be blown into extraneous air into
In air hose one, flue gas passes through from the fluorine plastic-steel pipe outer wall in internal cavity, meanwhile, the air to come, which is conveyed, from blast pipe one is flowed into
In fluorine Plastic Steel Pipe, since flue gas can heat fluorine Plastic Steel Pipe, heat exchange will be generated between flue gas and air, to make fluorine
Air preheat in Plastic Steel Pipe；Then, under the action of dust cleaning case, desulfurizing tower and denitrating tower, flue gas ash removal, desulfurization are successively realized
And denitration；Then, under the action of air-introduced machine, flue gas changes direction through inlet box, and rectified cover convergence flows to wheel hub after accelerating
And blade, motor power is by wheel hub and blade to flue gas work done, and the flue gas after flowing through blade is screw, through pod
In rear guide vane switch to it is axial flow into diffuser, the part kinetic energy of flue gas is converted to static energy in diffuser, improves flue gas stream
Dynamic stability；Finally, processed flue gas is discharged to the external world using chimney.
In the above-mentioned boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, it is provided in the dust cleaning case
First spray head, the water outlet mouth down of first spray head, first spray head are communicated with a water tank one, the water inlet by water inlet pipe one
The first water-delivery pump and first flow valve are additionally provided on pipe one；A discharge electrode and two collection are additionally provided in the dust cleaning case
Electrode, towards discharge electrode, discharge electrode is between two collectors the water outlet of first spray head.
In the above-mentioned boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, if setting in the desulfurizing tower
The second spray head of dry array distribution, the water outlet mouth down of second spray head, second spray head are communicated with a water tank by water inlet pipe two
Two, the second water-delivery pump and second flow valve are additionally provided on the water inlet pipe two.
In the above-mentioned boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, it is provided in the denitrating tower
Burner and third spray head, third spray head are in above burner, and the water outlet mouth down of third spray head, third spray head passes through water inlet
The ammonium hydroxide storage bin of pipe three and one is connected, and third water-delivery pump and third flow valve are disposed on water inlet pipe three.
In the above-mentioned boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, second enclosed globe shade is covered
It is communicated with buffer tank by air inlet side branch and outlet side branch, is provided with air intake valve, outlet on the air inlet side branch
Outlet valve is provided on side branch.The air intake valve on air inlet side branch is opened, and adjusts the air inlet size of air intake valve,
The partial air flowed through from the second spherical the cover to burner hearth will be flowed into buffer tank from air inlet side branch, carry out intermediate storage
It deposits；The outlet valve on outlet side branch is opened, the sky that can be preheated from buffer tank by outlet side branch to burner hearth supply
Gas increases preheated air and provides flow.
In the above-mentioned boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, the fluorine plastic-steel tube outer surface
Along its it is circumferentially fixed have several barrier plates, the barrier plate is arc-shaped, and the radian of barrier plate stops along gas inlet lateral bend
The length of plate is less than the length of internal cavity.It, first can be with fluorine Plastic Steel Pipe when the flue gas flow direction fluorine Plastic Steel Pipe of gas inlet side
Heat transfer is realized in outer tube wall contact, while flue gas can prevent to go out to flue gas when flowing to exhanst gas outlet side by barrier plate
The flowing of mouth side, flue gas, which will walk around to, at this time flows and moves forward around barrier plate, and this adds increased flue gases and fluorine plastic-steel
The time of contact of pipe improves heat transference efficiency to keep heat transfer time longer.
In the above-mentioned boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, the radome fairing and pod
It is fixed on the inner wall of fan housing by bolt and nut.Be conducive between radome fairing and fan housing by the way of bolt and nut connection
Be detachably connected, be also beneficial to being detachably connected between pod and fan housing.
In the above-mentioned boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, the inlet box and fan housing it
Between be fixedly connected by ring flange one, pass through two panels company between the ring flange one and inlet box and ring flange one and fan housing
Connect arc one to be fixedly connected, be connected between the fan housing and diffusion cylinder by ring flange two, the ring flange two and fan housing and
It connects arc two by two panels between ring flange one and diffusion cylinder to be fixedly connected, connecting arc one with arc two is connect is rubber material
Material.May be implemented to be detachably connected between inlet box and fan housing by ring flange one, by ring flange two may be implemented fan housing with
It is detachably connected between diffusion cylinder, to be conducive to transport, installation and maintenance；And rubber realizes soft connection, avoids because of motor
Vibration and influence complete equipment, it is soft connection also function to absorb expansion effect.
In the above-mentioned boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, the automatic lubrication mechanism packet
If including fuel tank, oil pump and filling valve stem, the fuel tank is fixed on chassis, and the oil inlet of oil pump passes through oil transportation general pipeline and fuel tank phase
Connection, the oil outlet of oil pump are connected with a fuel-displaced general pipeline, are provided with pouring orifice one on the bearing block of described main shaft one end,
It is provided with pouring orifice two on the bearing block of the main shaft other end, the fuel-displaced general pipeline passes through respectively fuel-displaced is in charge of one and out oil
Guan Eryu pouring orifice one is connected with pouring orifice two, and the described oil valve setting is in charge of one and fuel-displaced is in charge of on two fuel-displaced.First
Full lubricating oil is collected in fuel tank can draw the lubricating oil in fuel tank by oil transportation general pipeline, and lead to then under the action of oil pump
Cross fuel-displaced general pipeline be separately dispensed into it is fuel-displaced be in charge of one and it is fuel-displaced be in charge of in two, it is quantitative to pouring orifice finally under the action of oil valve
One and pouring orifice two convey lubricating oil, so that the bearing at main shaft both ends is respectively obtained lubrication, guarantee air-introduced machine is long lasting for work
Make.
In the above-mentioned boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, PLC is fixed on the pedestal
Programmable controller, it is fuel-displaced be in charge of one and it is fuel-displaced be in charge of on two be respectively and fixedly provided with pressure gauge and flowmeter, the PLC programmable control
Device processed is electrically connected by route with oil valve, pressure gauge and flowmeter.It, can be automatic under the action of PLC programmable controller
Oil pipe one and the fuel-displaced pressure being in charge of on two and flow are induced, and feeds back information to PLC programmable controller, to order
Enable it is fuel-displaced be in charge of one and it is fuel-displaced be in charge of two oil valve movement, thus realize filling lubricating oil automation.
Compared with prior art, the utility model has the advantage that
1, the utility model by dust cleaning case, desulfurizing tower and denitrating tower can successively realize flue gas is dusted, desulfurization
And denitration, so that flue gas be made to reach the standard for being discharged into atmosphere.
2, the utility model from burner hearth, discharge pipe one flow to fluorine plastic-steel pipe outer wall by flue gas, meanwhile, by air from outer
Boundary, blast pipe one are flowed into fluorine Plastic Steel Pipe, since flue gas can heat fluorine Plastic Steel Pipe, will be produced between flue gas and air
Heat exchange, to make the air preheat of fluorine Plastic Steel Pipe, reduces exhaust gas temperature, improves boiler efficiency.
3, the fluorine Plastic Steel Pipe in the utility model has excellent resistance to chemical corrosion, non-aging；Fluorine Plastic Steel Pipe
Surface wettability is poor, and other objects are difficult to adhere on its surface, is not easy stifled ash；The coefficient of friction of fluorine Plastic Steel Pipe is minimum in fixed
, permeability is extremely low.
4, the flue gas that the utility model is flowed by discharge pipe four changes direction through inlet box, and rectified cover convergence is flowed after accelerating
To wheel hub and blade, for motor power by wheel hub and blade to flue gas work done, the flue gas after flowing through blade is screw, warp
Rear guide vane in pod switchs to axial inflow diffuser, and the part kinetic energy of flue gas is converted to static energy in diffuser, then arranges
It puts to chimney, meets the service requirement of existing boiler emission standard.
5, the utility model is in fuel tank by collecting full lubricating oil, and under the action of oil pump, can be with by oil transportation general pipeline
Draw fuel tank in lubricating oil, and by fuel-displaced general pipeline be separately dispensed into it is fuel-displaced be in charge of one and it is fuel-displaced be in charge of in two, finally in oil
It is quantitative to convey lubricating oil to pouring orifice one and pouring orifice two under the action of valve, so that the bearing at main shaft both ends is respectively obtained lubrication,
Ensure air-introduced machine long lasting for work.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of fluorine plastic-steel preheater in the utility model.
Fig. 3 is the structural schematic diagram of air-introduced machine in the utility model.
In figure, 1, boiler；2, air blower；3, fluorine plastic-steel preheater；31, shell；32, fluorine Plastic Steel Pipe；33, the first connection
Plate；34, the first spherical the cover；35, blast pipe one；36, the second connecting plate；37, the second spherical the cover；38, blast pipe two；4, it removes
Dirt case；5, desulfurizing tower；6, denitrating tower；7, air-introduced machine；71, pedestal；72, inlet box；73, fan housing；74, diffusion cylinder；75, it rectifies
Cover；76, pod；77, main shaft；78, motor；79, base bearing；710, wheel hub；711, blade；8, chimney.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, a kind of boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, including the pot with burner hearth
Furnace 1, the front end of boiler 1 are provided with the air blower 2 that can blow air into 1 burner hearth of boiler, and the rear end of boiler 1 is provided with for taking out
The air-introduced machine 7 of burner hearth hot fume is taken, the outside of air-introduced machine 7 is provided with chimney 8, and setting gradually between boiler 1 and air-introduced machine 7 has
The fluorine plastic-steel preheater 3 of gas inlet one and exhanst gas outlet one, the dust cleaning case 4 with gas inlet two and exhanst gas outlet two, tool
Have a desulfurizing tower 5 of gas inlet three and exhanst gas outlet three and the denitrating tower 6 with gas inlet four and exhanst gas outlet four, flue gas into
Mouth one is connected by discharge pipe one with burner hearth, and exhanst gas outlet one is connected by discharge pipe two with gas inlet two, and flue gas goes out
Mouth two is connected by discharge pipe three with gas inlet three, and exhanst gas outlet three is connected by discharge pipe four with gas inlet four,
Exhanst gas outlet four is connected by discharge pipe five with the air inlet of air-introduced machine 7, and the air outlet of air-introduced machine 7 passes through discharge pipe six and cigarette
Chimney 8 is connected.
As shown in Fig. 2, fluorine plastic-steel preheater 3 includes the shell 31 with internal cavity, it is provided in internal cavity several in battle array
Horizontally disposed fluorine Plastic Steel Pipe 32 is arranged, and one end of several fluorine Plastic Steel Pipes 32 is pierced by shell 31 and is provided with the first connecting plate 33, the
It is fixed with the spherical the cover 34 of the port of described 32 one end of fluorine Plastic Steel Pipe can be surrounded first on one connecting plate 33, first
Spherical the cover 34 is connected with air blower 2 by blast pipe 1, and the other end of several fluorine Plastic Steel Pipes 32 is pierced by the setting of shell 31
There is the second connecting plate 36, being fixed on the second connecting plate 36 can surround the port of 32 other end of fluorine Plastic Steel Pipe
Second spherical the cover 37, the second spherical the cover 37 are connected with burner hearth by blast pipe 2 38.
The course of work of fluorine plastic-steel preheater 3 is such that firstly, the flue gas that burner hearth generates is entered by discharge pipe one
In gas inlet, under the action of air blower 2, enter in blast pipe 1 in extraneous air；Then, flue gas is from internal cavity
In 32 outer wall of fluorine Plastic Steel Pipe pass through, meanwhile, convey the air that comes from blast pipe 1 and be flowed into fluorine Plastic Steel Pipe 32, due to
Flue gas can heat fluorine Plastic Steel Pipe 32, and heat exchange will be generated between flue gas and air, to make the sky of fluorine Plastic Steel Pipe 32
Gas preheating；Finally, being passed through burner hearth by the air of preheating under the action of blast pipe 2 38, realizes and burn with coal, meanwhile,
Under the action of air-introduced machine 7, the flue gas after heat exchange is flowed out from discharge pipe two, and is discharged outward by chimney 8.
Buffer tank is communicated with by air inlet side branch and outlet side branch in second spherical the cover 37, is set on air inlet side branch
It is equipped with air intake valve, is provided with outlet valve on outlet side branch.The air intake valve on air inlet side branch is opened, and adjusts air inlet
The air inlet size of valve, the partial air flowed through from the second spherical the cover 37 to burner hearth will be flowed into slow from air inlet side branch
It deposits in tank, carries out intermediate storage；Open outlet side branch on outlet valve, from buffer tank can by outlet side branch to
The air of burner hearth supply preheating, increases preheated air and provides flow.
32 outer surface of fluorine Plastic Steel Pipe along its it is circumferentially fixed have several barrier plates, barrier plate is arc-shaped, the radian edge of barrier plate
Gas inlet lateral bend, the length of barrier plate are less than the length of internal cavity.When the flue gas flow direction fluorine Plastic Steel Pipe 32 of gas inlet side
When, can be contacted first with the outer tube wall of fluorine Plastic Steel Pipe 32, realize heat transfer, while flue gas to exhanst gas outlet side flow when,
It can prevent to flow to exhanst gas outlet side by barrier plate, flue gas, which will walk around to, at this time flows and transport forward around barrier plate continuation
Dynamic, this adds increased the times of contact of flue gas and fluorine Plastic Steel Pipe 32, to keep heat transfer time longer, improve heat transference efficiency.
First spray head, the water outlet mouth down of first spray head are provided in dust cleaning case 4, first spray head is connected to by water inlet pipe one
There is a water tank one, the first water-delivery pump and first flow valve are additionally provided on water inlet pipe one, one is additionally provided in dust cleaning case 4 and is put
Electrode and two collectors, towards discharge electrode, discharge electrode is between two collectors the water outlet of first spray head.
The second spray head of several array distributions of setting, the water outlet mouth down of second spray head, second spray head pass through in desulfurizing tower 5
Water inlet pipe two is communicated with a water tank two, is additionally provided with the second water-delivery pump and second flow valve on water inlet pipe two.
Burner and third spray head are provided in denitrating tower 6, third spray head is in above burner, the water outlet of third spray head
Mouth down, third spray head are connected by the ammonium hydroxide storage bin of water inlet pipe three and one, and third water delivery is disposed on water inlet pipe three
Pump and third flow valve.
As shown in figure 3, air-introduced machine 7 includes pedestal 71 and the inlet box 72 that is arranged on pedestal 71, inlet box 72 have into
Mouth is with outlet and inlet and outlet is at right angles arranged, and the import of inlet box 72 can be connected with the discharge pipe of boiler 1, inlet box 72
Outlet be removably connected with fan housing 73, the other end of fan housing 73 is removably connected with diffusion cylinder 74.The air intake of fan housing 73 can
Disassembly is provided with radome fairing 75, and the outlet air end of fan housing 73 is detachably provided with pod 76, be equipped in pod 76 it is several after lead
Leaf and rear guide vane is arranged circumferentially along the inner wall of pod 76.It is provided in inlet box 72 by bearing and bearing block rotation
Main shaft 77, one end of main shaft 77 are provided with the motor 78 for being able to drive its rotation by shaft coupling one, main shaft 77
The other end is provided with base bearing 79 by shaft coupling two, and wheel hub 710 is fixed on base bearing 79, and wheel hub 710 is circumferentially upper equal along it
It is even to be provided with several blades 711.
The course of work of air-introduced machine 7 is such that the flue gas that this air-introduced machine 7 is flowed by system pipeline changes through inlet box 72
Direction, rectified 75 convergence of cover flow to wheel hub 710 and blade 711 after accelerating, and 78 power of motor passes through wheel hub 710 and blade
711 pairs of flue gas works done, the flue gas after flowing through blade 711 is screw, switchs to axial inflow through the rear guide vane in pod 76
Diffuser, the part kinetic energy of flue gas is converted to static energy in diffuser, then flow to the external world and meet service requirement, to complete to draw
The course of work that blower 7 is contributed.
Radome fairing 75 and pod 76 are fixed on the inner wall of fan housing 73 by bolt and nut.It is connected using bolt and nut
Mode be conducive to being detachably connected between radome fairing 75 and fan housing 73, be also beneficial between pod 76 and fan housing 73 can
Dismantling connection.
The entrance of inlet box 72 is fixed with several deflectors, and deflector is several to air inlet center convex ribs outstanding.
So that air-flow is uniformly entered impeller, reduce whirlpool area and resistance, keeps air-flow flowing smooth.Pass through between inlet box 72 and fan housing 73
Ring flange one is fixedly connected, and is connected by two panels between the ring flange one and inlet box 72 and ring flange one and fan housing 73
Arc one is fixedly connected, and is connected between the fan housing 73 and diffusion cylinder 74 by ring flange two, the ring flange two and fan housing
It connects arc two by two panels between 73 and ring flange one and diffusion cylinder 74 to be fixedly connected, connecting arc one with arc two is connect is rubber
Glue material.It may be implemented to be detachably connected between inlet box 72 and fan housing 73 by ring flange one, it can be real by ring flange two
It is detachably connected between existing fan housing 73 and diffusion cylinder 74, to be conducive to transport, installation and maintenance.Rubber realizes soft connection, keeps away
Exempt to influence complete equipment because of the vibration of motor 78, soft connection also functions to the effect for absorbing expansion.
The automatic lubrication mechanism that automatic addition lubricating oil can be carried out to the bearing is provided on pedestal 71.This moistens automatically
If sliding mechanism includes fuel tank, oil pump and filling valve stem, fuel tank is fixed on chassis, and the oil inlet of oil pump passes through oil transportation general pipeline and fuel tank
It is connected, the oil outlet of oil pump is connected with a fuel-displaced general pipeline, and pouring orifice one is provided on the bearing block of 77 one end of main shaft, main
Be provided with pouring orifice two on the bearing block of 77 other end of shaft, fuel-displaced general pipeline pass through respectively it is fuel-displaced be in charge of one and it is fuel-displaced be in charge of two with
Pouring orifice one is connected with pouring orifice two, and oil valve setting is in charge of one and fuel-displaced is in charge of on two fuel-displaced.It is collected first in fuel tank full
Lubricating oil can draw the lubricating oil in fuel tank by oil transportation general pipeline, and pass through fuel-displaced general pipeline points then under the action of oil pump
Be not assigned to it is fuel-displaced be in charge of one and it is fuel-displaced be in charge of in two, it is quantitative to pouring orifice one and pouring orifice two finally under the action of oil valve
Lubricating oil is conveyed, the bearing at 77 both ends of main shaft is made to respectively obtain lubrication, ensures air-introduced machine 7 long lasting for work.
PLC programmable controller is fixed on pedestal 71, controller and oil valve are electrically connected by route.In the work of controller
Under, can order it is fuel-displaced be in charge of one and it is fuel-displaced be in charge of two oil valve movement, thus realize filling lubricating oil automation.It is fuel-displaced
Be in charge of one and it is fuel-displaced be in charge of on two be respectively and fixedly provided with pressure gauge, each pressure gauge and controller are electrically connected by route.It is in charge of when fuel-displaced
One and it is fuel-displaced be in charge of on two when there is oil circuit blocking, the pressure in pipeline will increase, and pressure gauge will be made to obtain exception
Information shown, warning people are fuel-displaced to be in charge of one or fuel-displaced and be in charge of on two and oil circuit blocking occur, is dredged.Oil out
Pipe one and it is fuel-displaced be in charge of in two be respectively and fixedly provided with flowmeter, each flowmeter and controller are electrically connected by route, the controller
It is also connected with display.It is in charge of one when fuel-displaced and fuel-displaced be in charge of two lubricating oil is added to the bearing at 77 both ends of main shaft respectively
When, the flowmeter in pipeline respectively measures the addition of lubricating oil, can be obtained flow measurement by controller
Quantity shown by display, quantitative control is carried out to it conducive to people.Be fixed with timer on pedestal 71, timer with
Above controller is electrically connected by route.Under the action of timer, it can order and fuel-displaced be in charge of one and fuel-displaced be in charge of on two
Oil valve specified time is acted, to realize the timing filling of lubricating oil.Liquid level sensor, level sensing are fixed in fuel tank
Device is connected with above controller.When designated position of the lubricating oil in fuel tank more than liquid level sensor or it is lower than liquid level sensor
Designated position, liquid level sensor obtains exception information and shown, warning people's fuel tank is already filled with lubricating oil or fuel tank
Lubricate shortage of oil.
This boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, its working principle is that such: firstly, flue gas
It after being exported in the burner hearth of boiler 1, enters in fluorine plastic-steel preheater 3, will be blown into extraneous air using air blower 2
In blast pipe 1, flue gas passes through from 32 outer wall of fluorine Plastic Steel Pipe in internal cavity, meanwhile, the sky to come is conveyed from blast pipe 1
Gas is flowed into fluorine Plastic Steel Pipe 32, and since flue gas can heat fluorine Plastic Steel Pipe 32, heat will be generated between flue gas and air
Exchange, to make the air preheat in fluorine Plastic Steel Pipe 32；Then, under the action of dust cleaning case 4, desulfurizing tower 5 and denitrating tower 6, according to
Secondary realization flue gas ash removal, desulfurization and denitration；Then, under the action of air-introduced machine 7, flue gas changes direction through inlet box 72, through whole
75 convergence of stream cover flows to wheel hub 710 and blade 711 after accelerating, 78 power of motor makees flue gas by wheel hub 710 and blade 711
Function, the flue gas after flowing through blade 711 are screw, switch to axial inflow diffuser through the rear guide vane in pod 76, are expanding
The part kinetic energy of flue gas is converted to static energy in depressor, improves flow of flue gas stability；Finally, will be processed using chimney 8
Flue gas is discharged to the external world.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although 1, boiler is used more herein；2, air blower；3, fluorine plastic-steel preheater；31, shell；32, fluorine plastic-steel
Pipe；33, the first connecting plate；34, the first spherical the cover；35, blast pipe one；36, the second connecting plate；37, the second spherical the cover；
38, blast pipe two；4, dust cleaning case；5, desulfurizing tower；6, denitrating tower；7, air-introduced machine；71, pedestal；72, inlet box；73, fan housing；74,
Diffusion cylinder；75, radome fairing；76, pod；77, main shaft；78, motor；79, base bearing；710, wheel hub；711, blade；8,
The terms such as chimney, but it does not exclude the possibility of using other terms.The use of these items is only for more easily describe
With the essence for explaining the utility model；Being construed as any additional limitation is disagreed with the spirit of the present invention
Back.
Claims (10)
1. a kind of boiler plant with flue gas ash removal, desulfurization and denitrification apparatus, including the boiler with burner hearth, the front end of boiler
It is provided with the air blower that can blow air into boiler furnace, the rear end of boiler is provided with the air inducing for extracting burner hearth hot fume
Machine is provided with chimney on the outside of air-introduced machine, which is characterized in that set gradually between the boiler and air-introduced machine with flue gas into
Mouthful one and the fluorine plastic-steel preheater of exhanst gas outlet one, the dust cleaning case with gas inlet two and exhanst gas outlet two, have flue gas into
Mouthfuls three and exhanst gas outlet three desulfurizing tower and denitrating tower with gas inlet four and exhanst gas outlet four, gas inlet one is by going out
Air hose one is connected with burner hearth, and exhanst gas outlet one is connected by discharge pipe two with gas inlet two, and exhanst gas outlet two is by going out
Air hose three is connected with gas inlet three, and exhanst gas outlet three is connected by discharge pipe four with gas inlet four, exhanst gas outlet four
It is connected by discharge pipe five with the air inlet of air-introduced machine, the air outlet of air-introduced machine is connected by discharge pipe six with chimney；Institute
The fluorine plastic-steel preheater stated includes the shell with internal cavity, is provided in the internal cavity several horizontally disposed in array
Fluorine Plastic Steel Pipe, and one end of several fluorine Plastic Steel Pipes is pierced by shell and is provided with the first connecting plate, being fixed on the first connecting plate can
The first spherical the cover that the port of fluorine Plastic Steel Pipe one end is surrounded, the first spherical the cover and air blower pass through blast pipe
One is connected, and the other end of several fluorine Plastic Steel Pipes is pierced by shell and is provided with the second connecting plate, and being fixed on the second connecting plate can
The second spherical the cover that the port of the fluorine Plastic Steel Pipe other end is surrounded, the second spherical the cover and burner hearth pass through blast pipe
Two are connected；The air-introduced machine includes pedestal and the inlet box that is set on the base, the inlet box have air inlet and
Gas outlet and air inlet and air outlet are at right angles arranged, the outlet of inlet box is removably connected with fan housing, and the other end of fan housing can
Dismantling connection has diffusion cylinder, and the air intake of the fan housing is detachably provided with radome fairing, and the outlet air end of fan housing is detachably provided with
Pod is equipped with several rear guide vanes in pod and rear guide vane is arranged circumferentially along the inner wall of pod, the air inlet
Main shaft is provided with by bearing and bearing block rotation in case, one end of main shaft is provided with by shaft coupling one is able to drive it
The other end of the motor of rotation, main shaft is provided with base bearing by shaft coupling two, is fixed with wheel hub on the base bearing,
The wheel hub is evenly arranged with several blades in its circumferential direction, and the bearing can be carried out certainly by being provided on the pedestal
The automatic lubrication mechanism of dynamic addition lubricating oil.
2. the boiler plant according to claim 1 with flue gas ash removal, desulfurization and denitrification apparatus, which is characterized in that institute
First spray head, the water outlet mouth down of first spray head are provided in the dust cleaning case stated, first spray head is communicated with one by water inlet pipe one
Water tank one is additionally provided with the first water-delivery pump and first flow valve on the water inlet pipe one；It is also set up in the dust cleaning case
There are a discharge electrode and two collectors, towards discharge electrode, discharge electrode is between two collectors the water outlet of first spray head.
3. the boiler plant according to claim 2 with flue gas ash removal, desulfurization and denitrification apparatus, which is characterized in that institute
The second spray head of several array distributions of setting, the water outlet mouth down of second spray head, second spray head pass through water inlet in the desulfurizing tower stated
Pipe two is communicated with a water tank two, is additionally provided with the second water-delivery pump and second flow valve on the water inlet pipe two.
4. the boiler plant according to claim 3 with flue gas ash removal, desulfurization and denitrification apparatus, which is characterized in that institute
Burner and third spray head are provided in the denitrating tower stated, third spray head is in above burner, the water outlet court of third spray head
Under, third spray head is connected by the ammonium hydroxide storage bin of water inlet pipe three and one, be disposed on water inlet pipe three third water-delivery pump and
Third flow valve.
5. the boiler plant described in any one of -4 with flue gas ash removal, desulfurization and denitrification apparatus according to claim 1,
Be characterized in that, second enclosed globe shade, which is covered, is communicated with buffer tank by air inlet side branch and outlet side branch, it is described into
It is provided with air intake valve on the branch pipe of gas side, is provided with outlet valve on outlet side branch.
6. the boiler plant according to claim 5 with flue gas ash removal, desulfurization and denitrification apparatus, which is characterized in that institute
The fluorine plastic-steel tube outer surface stated along its it is circumferentially fixed have several barrier plates, the barrier plate is arc-shaped, the radian edge of barrier plate
Gas inlet lateral bend, the length of barrier plate are less than the length of internal cavity.
7. the boiler plant described in any one of -4 with flue gas ash removal, desulfurization and denitrification apparatus according to claim 1,
It is characterized in that, the radome fairing and pod pass through bolt and nut and be fixed on the inner wall of fan housing.
8. the boiler plant according to claim 7 with flue gas ash removal, desulfurization and denitrification apparatus, which is characterized in that institute
It is fixedly connected between the inlet box stated and fan housing by ring flange one, the ring flange one and inlet box and ring flange one and wind
Arc one is connected by two panels between cover to be fixedly connected, and is connected between the fan housing and diffusion cylinder by ring flange two, it is described
Ring flange two between fan housing and ring flange one and diffusion cylinder by two panels connect arc two be fixedly connected, connection arc one and even
Connecing arc two is rubber material.
9. the boiler plant described in any one of -4 with flue gas ash removal, desulfurization and denitrification apparatus according to claim 1,
It is characterized in that, if the automatic lubrication mechanism includes fuel tank, oil pump and filling valve stem, the fuel tank is fixed on chassis, oil
The oil inlet of pump is connected by oil transportation general pipeline with fuel tank, and the oil outlet of oil pump is connected with a fuel-displaced general pipeline, and the master turns
It is provided with pouring orifice one on the bearing block of axis one end, pouring orifice two is provided on the bearing block of the main shaft other end, described goes out
Oily general pipeline pass through respectively it is fuel-displaced be in charge of one and it is fuel-displaced be in charge of two and be connected with pouring orifice one and pouring orifice two, the oil valve setting
It is in charge of one fuel-displaced and fuel-displaced is in charge of on two.
10. the boiler plant according to claim 9 with flue gas ash removal, desulfurization and denitrification apparatus, which is characterized in that institute
Be fixed with PLC programmable controller on the pedestal stated, it is fuel-displaced be in charge of one and it is fuel-displaced be in charge of on two be respectively and fixedly provided with pressure gauge and flow
Meter, the PLC programmable controller are electrically connected by route with oil valve, pressure gauge and flowmeter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821251493.6U CN208720253U (en) | 2018-08-03 | 2018-08-03 | A kind of boiler plant with flue gas ash removal, desulfurization and denitrification apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821251493.6U CN208720253U (en) | 2018-08-03 | 2018-08-03 | A kind of boiler plant with flue gas ash removal, desulfurization and denitrification apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731016A (en) * | 2018-08-03 | 2018-11-02 | 海宁马桥大都市热电有限公司 | A kind of boiler plant with flue gas ash removal, desulfurization and denitrification apparatus |
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2018
- 2018-08-03 CN CN201821251493.6U patent/CN208720253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731016A (en) * | 2018-08-03 | 2018-11-02 | 海宁马桥大都市热电有限公司 | A kind of boiler plant with flue gas ash removal, desulfurization and denitrification apparatus |
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