CN104344411B - Unit modular intelligent pulse soot blower - Google Patents
Unit modular intelligent pulse soot blower Download PDFInfo
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- CN104344411B CN104344411B CN201310320958.4A CN201310320958A CN104344411B CN 104344411 B CN104344411 B CN 104344411B CN 201310320958 A CN201310320958 A CN 201310320958A CN 104344411 B CN104344411 B CN 104344411B
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Abstract
The invention relates to a unit modular intelligent pulse soot blower which comprises a central control cabinet. The central control cabinet is connected with an intermediate relay cabinet through a control cable, the intermediate relay cabinet is respectively connected with a sweeping gas control unit, a gas distribution unit and an air distribution unit through control cables, and the sweeping gas control unit is respectively connected with a flow control unit and a mixed ignition unit through air pipelines and connected with a pulse generation chamber through a detonation pipeline. The unit modular intelligent pulse soot blower is convenient to use and simple to operate, modules can be effectively controlled, the problem of harmful smoke dust suck-back caused by boiler negative pressure can be solved, the propagation speed of flames is increased, airflow is stable, air and gas proportion, mixed gas pressure and output flow can be effectively controlled, gas mixing uniformity is high, a flame-retardant part is small and practical, tempering can be effectively prevented, and the unit modular intelligent pulse soot blower is high in safety and low in maintenance cost.
Description
Technical field
The invention belongs to a kind of impulse soot blowing technical field, and in particular to a kind of unit-modularized pulse soot blower.
Background technology
Pulse soot blower is a kind of advanced in performance ash cleaning technology of new generation, is lighted a fire in mixture with air using fuel gas
Mix in device, lighted by high-energy igniter, produce combustion gas pulse, and act on collecting ash surface, make grey particle and receive
Hot face separates and reaches the effect of removing collecting ash, this ash handling equipment excellent effect, good economy performance, reliable, operation
Safeguard simple.But in practical operation, pulse soot blower each several part is not effectively controlled, this may affect soot blowing
Effect；And after each each pulse generation, as the impact of negative pressure in boiler has noxious fume (acidity) suck-back to soot blower
Impact is produced on pipeline and various valves in pipeline, so needing to purge pipeline after each or a few subpulses.It is Chinese special
2814163 Y of sharp CN disclose a kind of modular intelligent control pulse soot blower, including central control cabinet, central authorities' control
Cabinet processed is connected with flow-control rack and relaying regulator cubicle respectively by controlling cable, and described flow-control rack passes through air
Pipeline is connected with one group of mixed firing rack respectively, and described flow-control rack is divided with one group of combustion gas respectively by fuel gas pipeline
Connect with rack, described combustion gas distribution rack is connected with one group of described mixed firing rack, described hybrid phone rack
It is connected with pulse generation room by detonation pipeline, impulse jet nozzle is housed on described pulse generation room.This impulse ash blower
Although increased modularization intelligent control unit, it is possible to achieve the Based Intelligent Control to corresponding module, boiler is not solved
The noxious fume suck-back problem that negative pressure causes.101290126 A of Chinese patent CN disclose a kind of improved distributed type three-pipe heat
Quick-fried pulse soot blower, including at least two impulse soot blowing units and fuel manifolds, oxidant gas arm, purge gas pipeline,
And fuel distribution header, oxidant gas distribute header, purge gas pipeline uses tree.This impulse soot blowing
Although device employs the noxious fume suck-back problem that purge gas pipeline causes to boiler negative pressure and solves, but which is purged
The not concrete effectively control of opportunity and purge gas pressure and flow.
The content of the invention
It is an object of the invention to provide it is a kind of it is easy to use, simple to operate, each module can be control effectively, and energy
Solve the problems, such as the unit-modularized pulse soot blower of the noxious fume suck-back that boiler negative pressure causes.
What the present invention was realized in：
The unit-modularized intelligent pulse soot blower of the present invention, the soot blower include central control cabinet, repeat circuit cabinet
With PLC control modules, also including purge gas control unit；The central control cabinet is by controlling cable and repeat circuit cabinet phase
Connection；The repeat circuit cabinet by control cable respectively with the purge gas control unit, combustion gas allocation unit and sky
Gas allocation unit is connected；Described purge gas control unit by purge air pipe respectively with flow controlling unit, mix
Igniting unit is connected, and is connected with pulse generation room by detonation pipeline；The mixed firing unit passes through gas distribution pipe
Road is connected with combustion gas allocation unit, is connected with described air distribution unit by air distribution duct, by explosion tube
Road is connected with described pulse generation room, and impulse jet nozzle is housed on described pulse generation room.
The unit-modularized intelligent pulse soot blower of the present invention, is provided with a gas control in the flow controlling unit
Cabinet, a gas flow monitoring valve and two gas control valves；The gas flow monitoring valve and gas control valve pass through respectively
Wire is connected with gas control cabinet；The gas flow monitoring valve is arranged on the fuel gas pipeline in flow controlling unit space,
For the flow of real-time monitoring combustion gas, and by the gas flow signal output for detecting to gas control cabinet；The gas control
Cabinet is reacted to which and delivery air flow signal；One of them described gas control valve is arranged at flow controlling unit space
On interior air pipe line, for receiving the air flow rate signal of gas control cabinet output, air mass flow is controlled；Another
The gas control valve is arranged on the purging air pipe in flow controlling unit space, for receiving gas control cabinet output
Purge gass flow signal, is controlled to purging throughput.
The unit-modularized intelligent pulse soot blower of the present invention, the combustion gas between fuel gas source and the flow controlling unit
On main pipeline, fuel gas pipeline filter is installed；Described in combustion gas from fuel gas source Jing, combustion gas main pipeline flows through fuel gas pipeline filter
Filtered, then Jing flow controlling units gas flow monitoring valve, then flow through combustion gas allocation unit it is the allocated after by combustion gas
Distribution duct sends into mixed firing unit；The combustion gas is acetylene.
The unit-modularized intelligent pulse soot blower of the present invention, the air between air source and the flow controlling unit
On main pipeline, air pipe line filter is installed；Sky between the air pipe line filter and the flow controlling unit
On gas main pipeline, air cushioning tank is installed；The air cushioning tank horizontal positioned；Air supervisor described in air from air source Jing
Road flows through that air pipe line filter carries out filtering, Jing air cushioning tanks enter row buffering, again Jing flow controlling units carry out flow control
System, then flow through air distribution unit it is the allocated after by air distribution duct send into mixed firing unit.
The unit-modularized intelligent pulse soot blower of the present invention, blowing between source purge gas and the flow controlling unit
On scavenging main pipeline, scavenging pipeline filter is installed；Described in purge gass from source purge gas Jing, purge gass main pipeline flows through purging
Trachea pipe filter is filtered, then Jing flow controlling units carry out flow-control, afterwards into purge gas control unit, right
Its purge time, purging atmospheric pressure, purging opportunity are controlled, and then Jing purgings air pipe is sent to detonation pipeline and is re-fed into pulse
Generation room, and which is purged；The purge gass be noble gases, the noble gases include but is not limited to neon, argon, dioxy
Change carbon, nitrogen.
The unit-modularized intelligent pulse soot blower of the present invention, between the detonation pipeline and pulse generation room, also sets up
There is flame shunting device, the flame shunting device includes flame shunting seat and along the circumferentially disposed flame injection of flame shunting seat
Pawl；The flame tube that draws being arranged between igniting chamber and pulse generation room is penetrated by several flames injection pawls of flame shunting device
The side wall of pulse generation room and stretch in the cavity of pulse generation room, and by flame spray pawl jet flames；Each described flame
The shape of injection pawl, length, pawl intracavity footpath, setting angle all same；The cavity and the cavity for drawing flame tube of the flame injection pawl
Communicate.
The unit-modularized intelligent pulse soot blower of the present invention, the mixed firing unit include gas mixer chamber and igniting
Room, the main body of the igniting chamber is truncated cone structure, and the truncated cone structure is set to sub-warhead with one end that flame tube is connected is drawn
Structure；The butt end of the igniting chamber is connected with gas mixer chamber by conduit, and the taper end of the igniting chamber is connected with flame tube is drawn
Connect.
The unit-modularized intelligent pulse soot blower of the present invention, between the gas mixer chamber and igniting chamber, is additionally provided with
Surge chamber, the surge chamber bottom are provided with drain valve.
The unit-modularized intelligent pulse soot blower of the present invention, the gas distribution pipe road and the air distribution duct set
It is placed on the same cross section of gas mixer chamber.
The unit-modularized intelligent pulse soot blower of the present invention, the gas mixing chamber interior are additionally provided with gas mixing group
Part；The gas mixes component includes that there is the dividing plate of 1 tubular outlet at center and is arranged at the umbrella gear in dividing plate tubular exit
Plate.
The unit-modularized intelligent pulse soot blower of the present invention, the gas mixer chamber are set with gaseous mixture escape pipe joint
Flame arrester arrangement is equipped with, the flame arrester arrangement includes housing and the glass fibre being filled in housing.
The unit-modularized intelligent pulse soot blower of the present invention, the PLC control modules include power initiation module, soot blowing
Parameter selecting module, soot blowing parameter check module, fault inquiry module, failture evacuation module, alarm history record queries module,
Patrol and examine valve leak test module, manual adjustment module, operation control module and system and exit module.
The unit-modularized intelligent pulse soot blower of the present invention, the soot blowing parameter selecting module include reselecting way
Module, gaseous-pressure display module, air pressure display module, soot blowing number of times display module, soot blowing intensity display module, work
Way selecting module, heat (batch) number selecting module；The fault inquiry module includes pressure display module, temperature display module, soot blowing
Set point number module, soot blowing number of times module, purging intensity module；The failture evacuation module includes reset selecting module, returns
Homepage module and return operation picture module；The alarm history record queries module includes Realtime Alerts module and history report
Alert module；The manual adjustment module includes way selecting module, and valve button module, the valve button module include combustion gas
Main valve, fuel gas distributing valve, pulse valve I, pulse valve II, air master valve, air slide valve, lighter, and reseting module, return
Homepage module, return operation picture module.
The beneficial effect of the unit-modularized pulse soot blower of the present invention：
(1) it is easy to use, simple to operate；
(2) each module can be control effectively, and noxious fume suck-back that boiler negative pressure causes can be solved the problems, such as；
(3) in igniter, using Multi-point type ignitor, each igniter head can be lighted a fire simultaneously, improve the biography of flame
Speed is broadcast, being greatly improved for momentary pulse energy in Impulsive tank is realized, and then is improve the elimination effect to dust stratification；
(4) by increasing the air cushioning tank of horizontal positioned, the real-time monitoring to gas flow, in mixing chamber and igniting chamber
Between surge chamber is set, the gas flow of air and purge gass is controlled, air-flow is steady, can effective control control air and
Gas proportion, the pressure of gaseous mixture and output flow, and then the needs for different dust stratification faces control suitable pulse energy, can
Dust stratification safely, effectively is removed, and gas-liquid separation can be realized；
(5) gas is set in mixing chamber and mixes component and flame arrester arrangement, and air inlet lines and combustion gas inlet pipe are arranged at mixed
Close on the same cross section of room, to into the gas mixing uniformity inside blending tank is high, back-fire relief part it is compact it is practical, can have
Effect prevents tempering, realizes gas mixing and is separated with igniting, and degree of safety is high, maintenance cost is low.
Description of the drawings
Fig. 1 is the distributed type three-pipe heat explosion pulse ash-blowing device schematic diagram in 101290126 A of documents CN；
Fig. 2 is the modular intelligent control pulse soot blower schematic diagram in 2814163 Y of documents CN；
Fig. 3 is the unit-modularized pulse soot blower schematic diagram of the present invention；
The igniter schematic diagram of the unit-modularized pulse soot blower of Fig. 4 present invention；
Fig. 5 is the schematic diagram of the mixed gas buffer unit of the unit-modularized pulse soot blower of the present invention；
Fig. 6 is the mixing chamber schematic diagram of the unit-modularized pulse soot blower of the present invention；
Fig. 7 is the A-A profiles of the mixing chamber of the unit-modularized pulse soot blower of the present invention；
Fig. 8 is the schematic diagram of the flow controlling unit of the mixing chamber of the unit-modularized pulse soot blower of the present invention；
Fig. 9 is the implementing procedure figure of the unit-modularized pulse soot blower of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described：
Embodiment
As shown in Figure 3,1 is the central control cabinet of the unit-modularized pulse soot blower of the present invention；2 are control cable；3
For repeat circuit cabinet；4 is purge gas control unit；5 is combustion gas allocation unit；6 is air distribution unit；7 is air pipe line；
8 is flow controlling unit；9 is mixed firing unit；10 is pulse generation room；11 is gas distribution pipe road；12 is air distribution
Pipeline；13 is detonation pipeline；14 is impulse jet nozzle；15 is gas main duct；16 is air pipe line filter；17 are responsible for for combustion gas
Road；18 is fuel gas pipeline filter；19 is purge gass main pipeline；20 is scavenging pipeline filter；21 are purging air pipe.
Central control cabinet 1 is connected with repeat circuit cabinet 3 by controlling cable 2；Repeat circuit cabinet 3 is by controlling cable 2
It is connected with purge gas control unit 4, combustion gas allocation unit 5 and air distribution unit 6 respectively；Purge gas control unit
4 are connected with flow controlling unit 8, mixed firing unit 9 respectively by purging air pipe 21, by detonation pipeline 13 and pulse
Generation room 10 is connected；Mixed firing unit 9 is connected with combustion gas allocation unit 5 by gas distribution pipe road 11, by air
Distribution duct 12 is connected with air distribution unit 6, is connected with pulse generation room 10 by detonation pipeline 13, pulse generation room
Impulse jet nozzle 14 is housed on 10；In gas main duct 15 between air source and flow controlling unit 8, air pipe line is installed
Filter 16；On combustion gas main pipeline 17 between fuel gas source and flow controlling unit 8, fuel gas pipeline filter 18 is installed；
On purge gass main pipeline 19 between source purge gas and flow controlling unit 8, scavenging pipeline filter 20 is installed.
As shown in Figure 4,10 is pulse generation room；14 is impulse jet nozzle；22 is flame shunting device；23 is flame shunting
Seat；24 is that flame sprays pawl；25 is to draw flame tube；26 is igniting chamber；28 is conduit.
Conduit 28 is connected with igniting chamber 26, and igniting chamber 26 is connected by fixing nut with flame tube 25 is drawn, and draws flame tube 25
It is connected by the flame injection pawl 24 of flame shunting device 22 with pulse generation room 10, flame injection pawl 24 penetrates pulse generation room
10 side wall and stretch in the cavity of pulse generation room 10；The side wall of igniting chamber 26 is provided with lighter, and impulse jet nozzle 14 is in arteries and veins
There is the afterbody of room 10, correspondence dust stratification face in punching；Flame shunting seat 22 connects respectively and draws flame tube 25 with flame injection pawl 24；Each fire
The inner chamber of flame injection pawl 24 is communicated with the inner chamber for drawing flame tube 25, the shape of each flame injection pawl 24, length, pawl intracavity footpath, is set
Angle setting degree all same, which ensure that from each flame and sprays pawl 24 while jetting out flames；Igniting chamber 26 be truncated cone structure, truncated cone
The butt end of body structure is connected with gas mixer chamber by conduit, and the taper end of truncated cone structure passes through fixing nut and draws flame tube phase
Connection, which ensure that flame is successfully entered by igniting chamber 1 and draws flame tube 2, it is ensured that high flame propagation velocity.
As shown in Figure 5,10 is pulse generation room；11 is gas distribution pipe road；12 is air distribution duct；15 is air
Main pipeline；17 is combustion gas main pipeline；26 is igniting chamber；27 is gas mixer chamber；29 is surge chamber；30 is drain valve.
Jing gas distribution pipes road 11 and air distribution duct 12 are conveyed in gas mixer chamber 27 respectively for air and combustion gas, from
The gaseous mixture Jing gas transmission pipelines of the output of gas mixer chamber 27 are delivered to surge chamber 29, and gaseous mixture is filled in surge chamber 29
Point mix to uniform, the gaseous mixture Jing gas transmission pipelines being adequately mixed are delivered in igniting chamber 26 and are lighted a fire, igniting chamber
The flame produced in 26 introduces pulse generation room 10 by pipeline, and firing pulse occurs the gaseous mixture in room 10, produces pulse energy,
Corresponding dust stratification face is purged.
Gaseous mixture from pulse generation room 10 out after, when gaseous mixture along gas transmission pipeline through pressure transmitter when, pressure
Pressure, changes in flow rate on power transmitter perception pipeline, and send the signal of telecommunication to central control room, then central control room will
Targetedly by electromagnetic valve for adjusting changing the pressure in pipeline, and then control pressure and stream in pulse generation room 10
Amount, is finally reached the effect of 10 inner pulse energy of control pulse generation room.The drain valve 30 that 10 bottom of pulse generation room is arranged can
So that the steam carried in air is discharged gas transmission pipeline, gas-liquid separation is realized.
Gaseous mixture can sequentially pass through distributing valve, fire insulation valve, non-return valve before into igniting chamber 26, also, and distributing valve is used for
The input of control gas, fire insulation valve cause tempering for preventing the high-speed flame in igniting chamber 26 from burning go back to mixed gas pipeline road,
Non-return valve is used for preventing gaseous mixture from flowing backwards.
As illustrated in 6,7,11 is gas distribution pipe road；12 is air distribution duct；27 is gas mixer chamber；31 is gas
Body mixes component；32 is dividing plate；33 is umbrella baffle plate；34 is gaseous mixture escape pipe；35 is flame arrester arrangement；36 is housing；37 are
Glass fibre.
Gas distribution pipe road 11 is arranged on the same cross section of 27 bottom of gas mixer chamber with air distribution duct 12；
The gas that the dividing plate 32 and the umbrella baffle plate 33 positioned at tubular exit exported by 1 tubular by center is constituted mixes component 31 and sets
It is placed in the inner chamber of gas mixer chamber 27, and the inner chamber of gas mixer chamber 27 is divided into two cavitys：Lower chamber and upper cavity；Gas
Flame arrester arrangement 35 is provided with 27 upper end outlet of body mixing chamber, including the housing 36 and filling that are arranged at 27 upper end of gas mixer chamber
Glass fibre 37 in housing.
As shown in Figure 8,7 is air pipe line；27 is gas mixer chamber；38 is gas control cabinet；39 supervise for gas flow
Side valve；40 is gas control control valve；41 is fuel gas pipeline；42 is air cushioning tank.
Flow monitoring valve 39 is arranged on the fuel gas pipeline 41 in 38 space of gas control cabinet, for real-time monitoring combustion gas
Flow, and by the gas flow signal output for detecting to gas control cabinet 38；One of gas control control valve 40 is arranged
On the air pipe line 7 in 38 space of gas control cabinet, for receiving by the gas control reacted to gas flow signal
The air flow rate signal of the output of cabinet 38, is controlled to air mass flow；Another gas control control valve 40 is arranged at gas control
It is on purging air pipe in 38 space of cabinet processed, defeated by the gas control cabinet 38 reacted to purge gass flow signal for receiving
The purge gass flow signal for going out, is controlled to purging throughput；The gas flow signal output that flow monitoring valve 39 is detected
To gas control cabinet 38, Jing after gas control cabinet 38 reacts, export and give gas control control valve 40, for controlling air and purging
The flow of gas.
When being purged to dust stratification face using the unit-modularized pulse soot blower of the present invention, described in air from air source Jing
Gas main duct 15 flows through air pipe line filter 16 and is filtered, then Jing flow controlling units 8 carry out flow-control, Ran Houliu
Mixed firing unit 9 is sent into by air distribution duct 12 Jing after air distribution unit 6 is the allocated；Fire described in combustion gas from fuel gas source Jing
Gas main pipeline 17 flows through fuel gas pipeline filter 18 and is filtered, then Jing flow controlling units 8 carry out flow-control, then flow through
Mixed firing unit 9 is sent into by gas distribution pipe road 11 after combustion gas allocation unit 5 is the allocated；Purge gass are purged from source purge gas Jing
Gas main pipeline 19 flows through purge gass in-line filter 20 and is filtered, then Jing flow controlling units 8 carry out flow-control, it is laggard
Enter purge gas control unit 4, its purge time, purging atmospheric pressure, purging opportunity are controlled, then Jing purgings air pipe
21 are sent to detonation pipeline 13 is re-fed into pulse generation room 10, and pipeline and pulse generation room are purged.
In use, through flow-control combustion gas, air distinguish Jing gas distribution pipes road 11 and air distribution
Road 12 is conveyed in the cavity of resorption body of gas mixer chamber 27, and gas can carry out a preliminary mixed process in this process, tentatively
Mixed gaseous mixture is exported to up to umbrella baffle plate 33 from the tubular at 32 center of dividing plate, and is sprayed to along the dispersion of umbrella baffle plate 33
Tank skin in cavity, makes the mixing of two kinds of gases more uniform；The gaseous mixture of mix homogeneously is again through flame arrester arrangement 35 by mixing
Gas escape pipe 34 is transported to igniting chamber 26, and the glass fibre 37 of flame arrester arrangement 35 can not only realize gas mixing with igniting phase point
From, play anti-backfire effect, moreover it is possible to gaseous mixture is mixed again, this effectively prevent and causes because gaseous mixture is uneven
Carbon deposit, equipment is caused damage, maintenance cost is reduced, be also prevented from being tempered the loss that causes and injury, degree of safety high.
In use, the gaseous mixture Jing conduits 28 of mix homogeneously enter igniting chamber 26, light the point on igniting chamber 26
Firearm, produces flame in igniting chamber 26, then flame is entered and draws flame tube 25, and Jing draws flame tube 25 and is input into flame shunting device 22
Each identical flame spray pawl 24, and sprayed by flame injection pawl 24, there is the mixing in rooms 10 in many " point " firing pulses
Gas, produces high energy momentary pulse, and passages through which vital energy circulates rushes nozzle 14 and is transferred to collecting ash face, and then completes the removing to collecting ash.
As shown in figure 9, when using, startup power supply starting module first；Then in soot blowing parameter selecting module, to combustion gas
The parameters such as pressure, air pressure, soot blowing intensity, heat (batch) number selection are configured, and then check module to each soot blowing in soot blowing parameter
Parameter is confirmed, if soot blowing parameter setting is wrong, it is necessary to adjusting parameter, is reset and is confirmed；If parameter setting
Correctly, inquiry whether is normally carried out to bleed pressure in fault inquiry module just, if bleed pressure is abnormal it is necessary to being
System is exited in module and is shut down, and is restarted；If bleed pressure is normal, just the work way in soot blowing parameter selecting module is selected
Select in module, change and set soot blowing way；Then in valve leak test module is patrolled and examined, gas leakage is checked, if combustion gas
There is leakage and shut down it is necessary to exit in module in system, and restart；If combustion gas No leakage, it is possible to start by sequence and blow
Grey road；Then, in the valve button module in manual adjustment module, shunt valve is first opened, then opens four pulse valves, then
Perform the setting of soot blowing intensity；Adjust air capacity again on request, after inflation terminates, close pulse valve；Pressure is inquired about,
If pressure is abnormal, CRT shows a point warning, if pressure is normal, starts igniting, after igniting, to intensification, detonation and combustion
Diarrhea due to stagnation of QI dew is checked respectively, if temperature not enough, needs to close this road power supply, is heated up again；If being unable to detonation,
Then it is also required to close this road power supply, carries out down circulating all the way；If gas leakage, CRT can show a point warning, then be also required to close
This road power supply, carries out down circulating all the way；If temperature reaches, can detonation and combustion gas No leakage, soot blowing number of times can be entered
Check, if soot blowing number of times not enough, will carry out down circulation all the way；If soot blowing number of times is enough, to determine that soot blowing number of times is
No to have run, if off-duty is complete, the circulation under needing to continue all the way, if run, can terminate, into operation picture
Face, and shut down.
The unit-modularized pulse soot blower of the present invention, it is easy to use, simple to operate；Each module can effectively be controlled
System, and the noxious fume suck-back that boiler negative pressure causes can be solved the problems, such as；In igniter, using Multi-point type ignitor, respectively
Igniter head can be lighted a fire simultaneously, improve flame transmission speed, realize being greatly improved for momentary pulse energy in Impulsive tank, enter
And improve the elimination effect to dust stratification；By increase the air cushioning tank of horizontal positioned, the real-time monitoring to gas flow,
Surge chamber is set between mixing chamber and igniting chamber, the gas flow of air and purge gass is controlled, air-flow is steady, can be effective
Control control air and gas proportion, the pressure of gaseous mixture and output flow, and then for the needs control conjunction in different dust stratification faces
Suitable pulse energy, can safely, effectively remove dust stratification, and can realize gas-liquid separation；Gas is set in mixing chamber and mixes component
And flame arrester arrangement, and air inlet lines and combustion gas inlet pipe are arranged on the same cross section of mixing chamber, in blending tank
The gas mixing uniformity in portion is high, back-fire relief part it is compact it is practical, can effectively prevent tempering, realize gas mixing and divide with igniting phase
From degree of safety is high, maintenance cost is low.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the scope of the present invention
It is defined, on the premise of without departing from design spirit of the present invention, those of ordinary skill in the art are to technical scheme
The various modifications made and improvement, all should fall in the protection domain of claims of the present invention determination.
Claims (10)
1. a kind of unit-modularized intelligent pulse soot blower, the soot blower include central control cabinet (1), repeat circuit cabinet (3)
With PLC control modules, it is characterised in that：
Also include purge gas control unit (4)；
The central control cabinet (1) is connected with repeat circuit cabinet (3) by controlling cable (2)；
The repeat circuit cabinet (3) is single with the purge gas control unit (4), combustion gas distribution respectively by controlling cable (2)
First (5) and air distribution unit (6) are connected；
Described purge gas control unit (4) by purge air pipe (21) respectively with flow controlling unit (8), mixed firing
Unit (9) is connected, and is connected with pulse generation room (10) by detonation pipeline (13)；
The mixed firing unit (9) is connected with combustion gas allocation unit (5) by gas distribution pipe road (11), by air point
Distribution pipes (12) are connected with described air distribution unit (6), by detonation pipeline (13) and described pulse generation room
(10) it is connected, impulse jet nozzle (14) is housed on described pulse generation room (10)；
A gas control cabinet (38), gas flow monitoring valve (39) and two are provided with the flow controlling unit (8)
Individual gas control valve (40)；
Gas flow monitoring valve (39) and gas control valve (40) are connected with gas control cabinet (38) by wire respectively；
Gas flow monitoring valve (39) is arranged on the fuel gas pipeline (41) in flow controlling unit (8) space, for reality
When monitor the flow of combustion gas, and give gas control cabinet (38) by the gas flow signal output for detecting；The gas control cabinet
(38) which is reacted and delivery air flow signal；
One of them described gas control valve (40) is arranged on the air pipe line (7) in flow controlling unit (8) space, is used for
The air flow rate signal that gas control cabinet (38) is exported is received, air mass flow is controlled；
Another described gas control valve (40) is arranged on the purging air pipe (21) in flow controlling unit (8) space, is used
In the purge gass flow signal that gas control cabinet (38) is exported is received, it is controlled to purging throughput；
On purge gass main pipeline (19) between source purge gas and the flow controlling unit (8), scavenging conduit is installed and is passed by
Filter (20)；
Described in purge gass from source purge gas Jing, purge gass main pipeline (19) flows through purge gass in-line filter (20) and is filtered, then
Jing flow controlling units (8) carry out flow-control, afterwards into purge gas control unit (4), to its purge time, purge gass
Pressure, purging opportunity are controlled, and then Jing purgings air pipe (21) is sent to detonation pipeline (13) and is re-fed into pulse generation room
(10), and to which purge；
The purge gass be noble gases, the noble gases include but is not limited to neon, argon, carbon dioxide, nitrogen；
Between the detonation pipeline (13) and pulse generation room (10), flame shunting device (22), the flame point are additionally provided with
Stream device (22) is including flame shunting seat (23) and along circumferentially disposed flame injection pawl (24) of flame shunting seat (23)；
Be arranged between igniting chamber (26) and pulse generation room (10) draw flame tube (25) by flame shunting device (22) if
Dry flame injection pawl (24) penetrates the side wall of pulse generation room (10) and stretches in the cavity of pulse generation room (10), and by fire
Flame sprays pawl (24) jet flames；
The shape of each flame injection pawl (24), length, pawl intracavity footpath, setting angle all same；
The cavity of flame injection pawl (24) is communicated with the cavity for drawing flame tube (25).
2. unit-modularized intelligent pulse soot blower as claimed in claim 1, it is characterised in that：
On combustion gas main pipeline (17) between fuel gas source and the flow controlling unit (8), fuel gas pipeline filter is installed
(18)；
Described in combustion gas from fuel gas source Jing, combustion gas main pipeline (17) flows through fuel gas pipeline filter (18) and is filtered, then Jing flow controls
Unit (8) processed gas flow monitoring valve (39), then flow through combustion gas allocation unit (5) it is the allocated after by gas distribution pipe road
(11) send into mixed firing unit (9)；
The combustion gas is acetylene.
3. unit-modularized intelligent pulse soot blower as claimed in claim 1, it is characterised in that：
In gas main duct (15) between air source and the flow controlling unit (8), air pipe line filter is installed
(16)；
In gas main duct (15) between the air pipe line filter (16) and the flow controlling unit (8), install
There is air surge tank (42)；
Air cushioning tank (42) horizontal positioned；
Gas main duct described in air from air source Jing (15) flow through air pipe line filter (16) carry out filtering, Jing air cushionings
Tank (42) enter row buffering, again Jing flow controlling units (8) carry out flow-control, then flow through air distribution unit (6) the allocated
Mixed firing unit (9) is sent into by air distribution duct (12) afterwards.
4. unit-modularized intelligent pulse soot blower as claimed in claim 1, it is characterised in that：The mixed firing unit
(9) including gas mixer chamber (27) and igniting chamber (26), the main body of the igniting chamber (26) is truncated cone structure, the truncated cone
Structure is set to bullet header structure with one end that flame tube (25) is connected is drawn；The butt end of the igniting chamber (26) by conduit (28) with
Gas mixer chamber (27) is connected, and the taper end of the igniting chamber (26) is connected with flame tube (25) is drawn.
5. unit-modularized intelligent pulse soot blower as claimed in claim 4, it is characterised in that the gas mixer chamber (27)
Between igniting chamber (26), surge chamber (29) is additionally provided with, surge chamber (29) bottom is provided with drain valve (30).
6. unit-modularized intelligent pulse soot blower as claimed in claim 4, it is characterised in that the gas distribution pipe road
(11) it is arranged on the same cross section of gas mixer chamber (27) with the air distribution duct (12).
7. unit-modularized intelligent pulse soot blower as claimed in claim 4, it is characterised in that the gas mixer chamber (27)
Inside is additionally provided with gas and mixes component (31)；The gas mixes component (31) the dividing plate of 1 tubular outlet including center
(32) and it is arranged at the umbrella baffle plate (33) in dividing plate (32) tubular exit.
8. unit-modularized intelligent pulse soot blower as claimed in claim 4, it is characterised in that the gas mixer chamber (27)
Gaseous mixture escape pipe (34) joint is provided with flame arrester arrangement (35), the flame arrester arrangement (35) includes housing (36) and filling
Glass fibre (37) in housing (36).
9. unit-modularized intelligent pulse soot blower as claimed in claim 1, it is characterised in that：The PLC control modules bag
Include power initiation module, soot blowing parameter selecting module, soot blowing parameter and check module, fault inquiry module, failture evacuation module, report
Alert historical record enquiry module, patrol and examine valve leak test module, manual adjustment module, operation control module and system and exit mould
Block.
10. unit-modularized intelligent pulse soot blower as claimed in claim 9, it is characterised in that：
The soot blowing parameter selecting module includes that reselecting way module, gaseous-pressure display module, air pressure shows mould
Block, soot blowing number of times display module, soot blowing intensity display module, work way selecting module, heat (batch) number selecting module；
The fault inquiry module includes pressure display module, temperature display module, soot blowing set point number module, soot blowing time digital-to-analogue
Block, purging intensity module；
The failture evacuation module includes reset selecting module, returns homepage module and returns operation picture module；
The alarm history record queries module includes Realtime Alerts module and history alarm module；
The manual adjustment module includes way selecting module, and valve button module, the valve button module include combustion gas master
Valve, fuel gas distributing valve, pulse valve I, pulse valve II, air master valve, air slide valve, lighter, and reseting module, return master
Page module, return operation picture module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320958.4A CN104344411B (en) | 2013-07-29 | 2013-07-29 | Unit modular intelligent pulse soot blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320958.4A CN104344411B (en) | 2013-07-29 | 2013-07-29 | Unit modular intelligent pulse soot blower |
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| Publication Number | Publication Date |
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| CN104344411A CN104344411A (en) | 2015-02-11 |
| CN104344411B true CN104344411B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310320958.4A Active CN104344411B (en) | 2013-07-29 | 2013-07-29 | Unit modular intelligent pulse soot blower |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6514556B2 (en) * | 2015-04-17 | 2019-05-15 | アズビル株式会社 | Combustion control device and combustion system |
| CN104776438B (en) * | 2015-04-30 | 2017-01-25 | 韦永梁 | Weak-explosion tank for soot blower |
| CN110513708A (en) * | 2019-08-29 | 2019-11-29 | 中铝东南铜业有限公司 | A kind of metallurgy boiler explosion deashing device and its working method |
| CN112413618B (en) * | 2020-11-25 | 2023-08-08 | 安化华晟生物能源有限责任公司 | Soot blowing device |
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