CN108386855B - A kind of deslagging device of boiler slag - Google Patents

A kind of deslagging device of boiler slag Download PDF

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Publication number
CN108386855B
CN108386855B CN201810170115.3A CN201810170115A CN108386855B CN 108386855 B CN108386855 B CN 108386855B CN 201810170115 A CN201810170115 A CN 201810170115A CN 108386855 B CN108386855 B CN 108386855B
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China
Prior art keywords
flue
ash
dropping hopper
air
deslagging device
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CN201810170115.3A
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Chinese (zh)
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CN108386855A (en
Inventor
凌利
邱增明
章延举
郭茂起
肖海军
沈志刚
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Wankai new materials Co., Ltd
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ZHEJIANG WANKAI NEW MATERIALS CO Ltd
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Priority to CN201810170115.3A priority Critical patent/CN108386855B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F23J1/06—Mechanically-operated devices, e.g. clinker pushers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/006—Layout of treatment plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
    • F23J3/026—Cleaning furnace tubes; Cleaning flues or chimneys cleaning the chimneys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
    • F23J2700/001—Ash removal, handling and treatment means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

The present invention relates to a kind of deslagging devices of boiler slag, including combustion chamber (1), ash dropping hopper (2) below combustion chamber (1), with the first flue (3) being connected to above combustion chamber (1), air-introduced machine (5) in the first flue (3), it is characterized by also including the fluidized plates (7) for being set to ash dropping hopper (2) bottom, the second flue (8) for being delivered to the flue gas recirculation in first flue (3) in ash dropping hopper (2), and be set to the second flue (8) in take the booster fan (9) in the first flue (3) to by the lime-ash fluidization in ash dropping hopper (2) and by combustion chamber draft, second flue (8) entrance is connected with the outlet of the air-introduced machine (5), second flue (8) outlet passes through fluidized plate (7) and the ash dropping hopper (2 ) bottom be connected.This deslagging device, lime-ash are direct available dry ash after deduster separates in the first flue, avoid and manually carry out subsequent processing again, have been greatly saved human cost.

Description

A kind of deslagging device of boiler slag
Technical field
The present invention relates to boiler slag processing technology field more particularly to a kind of deslagging devices of boiler slag.
Background technique
The mode that traditional boiler ash discharge, the processing slagged tap mostly use wet process to slag tap, i.e., be connected at the ash tube of boiler Mucking machine, wherein need for mucking machine to be placed in water, operation in this way is on the one hand to carry out fluid-tight, prevents boiler furnace from leaking Gas；It on the other hand so that after lime-ash drops to suitable temperature, then is exported through mucking machine, finally to cool down to clinker Manually the wet slag come out from wet slag machine is removed again.Not only water consumption is big for the mode that this wet process is slagged tap, and causes resource wave Take, capacity usage ratio is lower, and the wet slag processing difficulty exported through mucking machine is larger, needs to expend biggish human cost. Such as application No. is the Chinese utility model patent " steam coppers of CN201120087490.5 (authorization publication No. is CN202002124U) Furnace mucking machine " show the processing mode that this wet process is slagged tap.
In order to solve the above technical problems, application No. is in CN201710153269.7 (Publication No. CN106636502A) State's invention patent discloses " a kind of high temperature furnace slag wind quenching be granulated fluidized-bed combustion boiler waste-heat recovery device ", the device include burner hearth, Deduster and back-end ductwork；The back-end ductwork is connected to by deduster with the air outlet that the upper furnace is arranged, the furnace Thorax top and lower part are respectively equipped with superheater and pipe laying, and the upper furnace and side wall are equipped with water-cooling wall, the burner hearth sidewall Equipped with slag feed pipe and residue outlet, and the slag feed pipe is connected close to burner hearth position with granulation fan outlet；The lower furnace portion It is connected with cooling blower air outlet.The back-end ductwork is equipped with economizer and the back-end ductwork air outlet and fan inlet It is connected；The superheater, pipe laying, water-cooling wall and economizer are connected with drum.It is this to use the granulated dry process mode of wind quenching, It is big to avoid the water consumption that traditional wet process is slagged tap, wet slag is difficult to the shortcomings that clearing up, and the heat of clinker can high efficiente callback, Improve the utilization rate of energy；But this granulated residue treatment plant of wind quenching, bulky, structure is complicated, production cost It is higher, it is only applicable to the high-temperature boiler of smelter, for the industrial pot of the atomization suspension combustion such as traditional water-coal-slurry or coal dust Furnace is simultaneously not suitable for；Furthermore lime-ash is granulated slag state after wind quenching is granulated, rather than directly utilizable dry ash, this granulation Particle diameter distribution wider range of slag, is unfavorable for subsequent processing.
Therefore the deslagging device of existing Industrial Boiler clinker also requires further improvement.
Summary of the invention
Facilitate the subsequent place of lime-ash the technical problem to be solved by the invention for the present situation of prior art is to provide a kind of The deslagging device of reason, low-cost boiler slag.
The technical scheme of the invention to solve the technical problem is: a kind of deslagging device of boiler slag, including Combustion chamber, the ash dropping hopper below combustion chamber, the first flue with being connected to above combustion chamber, the air inducing in the first flue Machine further includes the fluidized plate set on ash dropping hopper bottom, for the flue gas recirculation in first flue to be delivered in ash dropping hopper The second flue, and in the second flue to be taken the lime-ash fluidization in ash dropping hopper and by combustion chamber draft Booster fan in first flue, second flue entrance are connected with the outlet of the air-introduced machine, and second flue goes out Mouth is connected by fluidized plate with the bottom of the ash dropping hopper.
Preferably, the smoke regulating valve for adjusting flue gas flow in the second flue is equipped in second flue, described the Two flues are additionally provided with the air intake for entering outside air, are equipped with the air conditioning for adjusting air mass flow at the air intake Valve.By the way that smoke regulating valve and air control valve are arranged in the second flue, it is on the one hand easy for the deslagging device on startup It is debugged；It on the other hand is in order to enable ash discharging gear in the process of running, passes through the aperture and sky of adjusting smoke regulating valve The aperture of gas regulating valve is in the temperature at fluidized plate in normal range.
Preferably, the deslagging device further includes electronic control unit, temperature is equipped with above the fluidized plate of the ash dropping hopper bottom Measuring point is spent, the electronic control unit is connected with the temperature point, and controls the flue gas by received temperature signal and adjust The aperture of valve and the aperture of air control valve, so that deslagging device is in continuous operation state.Booster fan is in continuous operation shape Under state, by the temperature change of the temperature point at monitoring fluidized plate, it can learn uncombusted ingredient whether has been fallen in ash dropping hopper Or coking and its dust stratification state occurs, the then aperture of electronic control unit automatic control and adjustment smoke regulating valve and air control valve And the running frequency of booster fan is so that temperature returns normally in ash dropping hopper.
Alternatively, the deslagging device includes electronic control unit, temperature point is equipped with above the fluidized plate of the ash dropping hopper bottom, The electronic control unit is connected with the temperature point, and controls opening, stopping for booster fan by received temperature signal, so that Deslagging device is in intermittent operating state.Under intermitten service state, the temperature of the temperature point at fluidized plate becomes booster fan Change the accumulation thickness for having reacted lime-ash in ash dropping hopper, (i.e. temperature point reaches when lime-ash gathers or is reduced to certain thickness When set temperature value), electronic control unit can control the starting and closing of booster fan, so that deslagging device is in the interval of circulation Operating status.User can select Batch Process operation or selection continuous production operation according to actual production situation.
Further preferably, be additionally provided with wind pressure measuring point at the fluidized plate of the ash dropping hopper bottom, the wind pressure measuring point with it is described Electronic control unit be connected, the electronic control unit can pass through received wind pressure signal control booster fan running frequency.Pass through The frequency that the pressure change of wind pressure measuring point at monitoring fluidized plate can adjust booster fan in time is allowed in suitable work State.
Preferably, being equipped with deduster in first flue, the lower section of the deduster is equipped with storehouse pump, to by lime-ash It is transported to dry ash storage tank.
Preferably, the auxiliary ash removing opening for being additionally provided with industrial visor at the ash dropping hopper and Gong being manually entered.Industry view Mirror can be for manually checking fluidized plate dust stratification state and coking situation；When coking occurring at ash dropping hopper, it is clear that auxiliary can be opened Grey hole carries out manual cleaning to coking in time.
Preferably, first flue has also been at least connected with air preheater or waste heat boiler device.It is such Structure setting substantially increases the utilization rate of lime-ash and gas energy, realizes the high efficiente callback of heat.
Compared with prior art, the deslagging device of boiler slag provided by the invention is by the way that the second flue is arranged by flue gas In circulation conveying to ash dropping hopper, and by booster fan and set on ash dropping hopper bottom fluidized plate by the lime-ash fluidised form in ash dropping hopper Change and pass through combustion chamber draft and take in the first flue, then the deduster through being set in the first flue carries out ash, gas separation.This Kind of deslagging device, lime-ash are direct available dry ash after deduster separates, can be and in the prior art wet with direct marketing Method slags tap mode and the wind quenching granulation mode of slagging tap is compared, and it is suitable for the atomization suspension combustions such as traditional water-coal-slurry or coal dust Industrial Boiler carries out grey Slag treatment, avoids and manually carries out complicated subsequent processes again, has also been greatly saved and has been produced into The human cost of this and subsequent processing.
Detailed description of the invention
Fig. 1 is the flow chart of the deslagging device of the boiler slag of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figure 1, the deslagging device of boiler slag include combustion chamber 1, ash dropping hopper 2, the first flue 3, the second flue 8 with And the chimney 6 being connected to 3 tail portion of the first flue；Ash dropping hopper 2 is located at the lower section of combustion chamber 1, and the first flue is connected to above combustion chamber 1 3, deduster 4, air-introduced machine 5 are disposed in the first flue 3；Second flue, 8 entrance is connected with the outlet of air-introduced machine 5, the The outlet of two flues 8 is connected by fluidized plate 7 with the bottom of ash dropping hopper 2, wherein and fluidized plate 7 is set to the bottom of ash dropping hopper 2, the Two flues 8 are equipped with booster fan 9, for the flue gas recirculation in the first flue 3 to be delivered in ash dropping hopper 2, and will be in ash dropping hopper 2 Lime-ash be blown into the first flue 3.The setting of fluidized plate 7 can make the lime-ash powder in ash dropping hopper 2 in booster fan 9 Abundant fluidization under effect makes it into the first flue 3, and ash, gas separation are carried out under the action of deduster 4.
For the ease of the collection of lime-ash, the lower section of deduster 4 is equipped with for pumping the storehouse of Ash water to dry ash storage tank 17 16.It is also provided with the auxiliary ash removing opening 21 that for can be manually entered at ash dropping hopper 2, when coking occurring at ash dropping hopper 2, can beat Auxiliary ash removing opening 21 is opened, manual cleaning is carried out in time to coking；Being additionally provided at ash dropping hopper 2 can be for manually checking the product of fluidized plate 7 The industrial visor 22 of grey state and coking situation.In the present embodiment, the first flue 3 is also connected with air preheater 18, remaining Hot pot furnace apparatus 19 realizes the high efficiente callback of heat, certain second flue to improve the utilization rate of lime-ash and gas energy Also air preheater 18, waste heat boiler device 19 be can connect in 8 to make full use of the thermal energy of flue gas.
In order to realize the automatic control to the deslagging device of boiler slag, which is equipped with electronic control unit 15, correspondingly, stream Change and be equipped with temperature point 10, wind pressure measuring point 11 at plate 7, smoke regulating valve 12 and air control valve 14, electricity are equipped in the second flue 8 Control unit 15 is connected with temperature point 10, wind pressure measuring point 11, booster fan 9 and smoke regulating valve 12 and air control valve 14 It is logical.Wherein, the second flue 8 is equipped with the air intake 13 for entering outside air, and air intake 13 is located at the upper of booster fan 9 Trip, air control valve 14 are located at air intake 13, to control the air mass flow entered in the second flue 8.
The control mode of electronic control unit 15 in the present embodiment includes the continuous operation control of booster fan 9 when running continuously The intermittently operated control mode of mode processed and booster fan 9 in intermitten service.User can select according to actual production situation Continuous production operation or selection Batch Process operation.
The continuous operation control mode of electronic control unit 15 refers to booster fan 9 when running continuously, and electronic control unit 15 passes through The temperature change for monitoring the temperature point 10 at fluidized plate 7, judges whether to have fallen uncombusted ingredient in ash dropping hopper 2 or tie Dust stratification state in burnt and ash dropping hopper 2 illustrates to fall in ash dropping hopper 2 when the temperature of temperature point 10 meets or exceeds setting value There is uncombusted ingredient or coking occurs, 15 automatic control and adjustment smoke regulating valve 12 of electronic control unit and air control valve 14 are opened Degree is so that temperature returns normally in ash dropping hopper 2.
The intermittently operated control mode of electronic control unit 15 refers to booster fan 9 under intermitten service state, at fluidized plate 7 The temperature change of temperature point 10 has reacted the accumulation thickness of lime-ash in ash dropping hopper 2, when lime-ash gathers or be reduced to certain thickness When spending (when i.e. temperature point meets or exceeds set temperature value), electronic control unit 15 controls the starting and closing of booster fan 9, makes Obtain the intermittent operating state that deslagging device is in circulation.
In addition, electronic control unit 15 can also monitor the pressure change of the wind pressure measuring point 11 at fluidized plate 7, and by received Wind pressure signal controls 9 running frequency of booster fan, is allowed to be within the scope of stable wind pressure, the stabilization run with supercharging equipment Property.
The specific use of the deslagging device of boiler slag and control process are as follows in the present embodiment:
One, use process
(1) debugging mode: equipment installs, and when boiler not running, starting trouble air-introduced machine 5 first restarts pressurization Then blower 9 adjusts smoke regulating valve 12 and air control valve 14, observe T value, the P value of wind pressure measuring point 11 of temperature point 10 And record, wherein 9 variable ratio frequency changer of booster fan adjusts running frequency, and the valve opening of smoke regulating valve 12 and air control valve 14 can To be adjusted between 0-100%.
(2) it enables
1, starting trouble the, wherein (temperature determined when by practical debugging when the T value of temperature point 10 is 600 DEG C or so Value) it can determine that and operated normally for boiler；
2, booster fan 9 is opened to certain frequency, the P value at wind pressure measuring point 11 is observed, is just set to 3-5kPa, with from falling ash The industry visor 22 at 2 that struggles against observes at fluidized plate 7 that dust stratification be not to be suitble to wind pressure (the blower frequency being suitble to)；
3, when above " 2 " state, smoke regulating valve 12 closes entirely, 14 standard-sized sheet of air control valve；
4, when operating normally, the T value of temperature point 10 is within the scope of 400~600 DEG C, if T > 900 DEG C, can determine that as pot The uncombusted carbon component of furnace burns in ash bucket, should suitably open big smoke regulating valve 12 (ascending) at this time, turn down air tune Air door (descending), to maintain air compartment wind pressure 11 constant or appropriate increase (10%-20%) so that the uncombusted carbon of boiler at Divide the full combustion in ash bucket, to reduce temperature；If when T > 1150 DEG C, can determine that have coking possibility, Ying Shi in ash dropping hopper 2 When opening big smoke regulating valve 12 (ascending), air air register (descending) is turned down, to maintain wind pressure P value constant or suitable When increasing wind pressure P value (10%-20% can be increased), the generation of coking is avoided, so that temperature be made to reduce, and guarantees that it lime-ash It blows away；
5, the suitable running frequency of booster fan 9 is thus set.
(3) it deactivates
After determining boiler shutdown first, it is then shut off booster fan 9 and smoke regulating valve 12 and air control valve 14.
Two, automatic control process
The deslagging device of boiler slag can select continuous operation operation or selection interval according to actual production status Operation operation.
1) control of wind pressure: wind pressure measuring point 11, booster fan 9 in ash dropping hopper 2 are connected with electronic control unit 15, pass through It is suitably adjusted after debugging process and starting after determining suitable wind pressure value P, and this wind pressure value P is set by electronic control unit 15, In the process of running, when wind pressure value changes, the running frequency of 15 automatic control and adjustment booster fan 9 of electronic control unit, so that wind pressure Value is stablized in range suitable above or below wind pressure value P.
2) control of temperature: temperature point 10, smoke regulating valve 12 at ash dropping hopper 2, air control valve 14 and pressurization wind Machine 9 is connected with electronic control unit 15, has for the control of temperature when continuous operation operation and intermittent duty operate different Control process.
Continuous operation operation: booster fan 9 is adjusted in running hours, electronic control unit 15 by the control of received temperature signal The aperture of smoke regulating valve 12 and the aperture of air control valve 14 are saved, so that deslagging device is in continuous operation state.
When normal operation, the T value of temperature point 10 is within the scope of 400~600 DEG C.
When T > 900 DEG C, it can determine that and burn in ash bucket for the uncombusted carbon component of boiler, temperature signal is sent at this time Control unit, control unit control suitably open big smoke regulating valve 12 (ascending), turn down air control valve 14 (by greatly to It is small), maintain wind pressure P value constant at this time, so that the uncombusted carbon component of boiler full combustion in ash bucket, returns to reduce temperature Normal range (NR).
Or big smoke regulating valve 12 is being opened, and it is appropriate to increase wind pressure value P while turning down air control valve 14, increase model Enclosing to be 10~20%, for example, wind pressure value is former 1.2 times of setting value, i.e. wind pressure in control change " the 1) " item of electronic control unit 15 Value is 1.2P, and then 9 adjust automatically running frequency of booster fan stablizes wind pressure value within the scope of the wind pressure after change；When T < At 900 DEG C, smoke regulating valve 12, standard-sized sheet air control valve 14 are closed in the control of electronic control unit 15, while being changed recovery wind pressure value and being Former setting value P, that is, be restored to state when operating normally when starting.
When T > 1150 DEG C, can determine that for have in ash dropping hopper 2 coking may, continue out big smoke regulating valve 12 (by it is small to Greatly), air control valve 14 (descending) is turned down, 1 full combustion of combustion chamber of boiler is enable, maintains wind pressure P value not at this time Become, avoids the generation of coking, so that temperature be made to reduce, and blow away its guarantee lime-ash.
Or big smoke regulating valve 12 is being opened, and it is appropriate to increase wind pressure value P while turning down air control valve 14, increase model Enclosing to be 10~20%, for example, wind pressure value is former 1.2 times of setting value, i.e. wind pressure in control change " the 1) " item of electronic control unit 15 Value is 1.2P, and then 9 adjust automatically running frequency of booster fan stablizes wind pressure value within the scope of the wind pressure after change；When T < At 900 DEG C, smoke regulating valve 12, standard-sized sheet air control valve 14 are closed in the control of electronic control unit 15, while being changed recovery wind pressure value and being Former setting value P, that is, be restored to state when operating normally when starting.
Intermittent duty operation: electronic control unit 15 controls opening, stopping for booster fan 9 by received temperature signal, makes to obtain Slag device is in intermittent operating state.
When normal operation, the T value of temperature point 10 is within the scope of 400~600 DEG C, as the lime-ash of ash dropping hopper 2 gathers thickness The temperature of the increase of degree, temperature point 10 can be increase accordingly.
When temperature reaches the temperature T of setting1When, that is, work as T > T1When (such as T1Can be 900 DEG C), electronic control unit 15 at this time It controls booster fan 9 to start, the lime-ash in ash dropping hopper 2 be purged, hereafter the temperature value T of temperature point 10 can drop accordingly It is low.
When temperature is reduced to the temperature T of setting2When, i.e., as T < T2When (such as T2Can be 450 DEG C), electronic control unit at this time 15 control booster fans 9 are out of service, and hereafter lime-ash starts to gather at ash dropping hopper 2, and the temperature of temperature point 10 starts to increase, when The temperature of temperature point 10 rises to T again1When, electronic control unit 15 controls booster fan 9 and starts, and is moved in circles with this, carries out Intermittent duty operation.
Certainly, when boiler slag deslagging device using a period of time, and it is stable when, can be according to booster fan The working condition of 9 intermittent duties obtains 9 runing time of booster fan and interval time, is then closed by the setting of electronic control unit 15 Suitable runing time and interval time controls the intermittent duty operation of the deslagging device of boiler slag with this.
Above-described specific temperature value T and wind pressure value P is the Boiler Furnace in order to be best understood from the embodiment of the present invention The use process and control process of the deslagging device of slag and the referential data provided, certainly due to different production scales, difference Production equipment, actual set reference value would also vary from.

Claims (5)

1. a kind of deslagging device of boiler slag, including combustion chamber (1), the ash dropping hopper (2) being located at below combustion chamber (1) and combustion The air-introduced machine (5) for burning the first flue (3) being connected to above room (1), being set in the first flue (3), it is characterised in that: further include setting Fluidized plate (7) in ash dropping hopper (2) bottom, for the flue gas recirculation in first flue (3) to be delivered in ash dropping hopper (2) The second flue (8), and be set in the second flue (8) by the lime-ash fluidization in ash dropping hopper (2) and to pass through burning Room negative pressure takes the booster fan (9) in the first flue (3), the outlet of the second flue (8) entrance and the air-introduced machine (5) to It is connected, the second flue (8) outlet is connected by fluidized plate (7) with the bottom of the ash dropping hopper (2), first cigarette The deduster (4) for carrying out grey gas separation to fluidised lime-ash is equipped in road (3)；
The smoke regulating valve (12) for adjusting the second flue (8) interior flue gas flow, second cigarette are equipped in second flue (8) Road (8) is additionally provided with the air intake (13) for entering outside air, is equipped with the sky for adjusting air mass flow at the air intake (13) Gas regulating valve (14)；
The deslagging device further includes electronic control unit (15), and temperature is equipped with above the fluidized plate (7) of ash dropping hopper (2) bottom and is surveyed Point (10), the electronic control unit (15) are connected with the temperature point (10), and the electronic control unit (15) can pass through reception Temperature signal control booster fan (9) open, stop so that deslagging device is in intermittent operating state.
2. the deslagging device of boiler slag according to claim 1, it is characterised in that: the stream of ash dropping hopper (2) bottom Change and be additionally provided with wind pressure measuring point (11) at plate (7), the wind pressure measuring point (11) is connected with the electronic control unit (15), the electricity Booster fan (9) running frequency can be controlled by received wind pressure signal by controlling unit (15).
3. the deslagging device of boiler slag according to claim 2, it is characterised in that: set below the deduster (4) There is storehouse to pump (16), to by Ash water to dry ash storage tank (17).
4. the deslagging device of boiler slag according to claim 2, it is characterised in that: the ash dropping hopper (2) is additionally provided with work Industry visor (22) and the auxiliary ash removing opening (21) for Gong being manually entered.
5. the deslagging device of boiler slag according to claim 2, it is characterised in that: first flue is also at least connected with There are air preheater (18) or waste heat boiler device (19).
CN201810170115.3A 2018-03-01 2018-03-01 A kind of deslagging device of boiler slag Active CN108386855B (en)

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Families Citing this family (1)

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CN110631006A (en) * 2019-10-23 2019-12-31 佛山市昊泰源环保科技有限公司 Boiler slag-discharging-free system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101021318A (en) * 2006-02-16 2007-08-22 山东兖矿国际焦化有限公司 New process for solving coking problem of small and medium-sized circulating fluidized bed boiler
CN101290116A (en) * 2008-01-22 2008-10-22 贵阳超群实业有限公司 Slurry combustion method and boiler and the slurry
CN203836941U (en) * 2014-05-26 2014-09-17 山东华源锅炉有限公司 High-efficiency cleaning suspension fluidization burning coal water slurry fired boiler
CN205227298U (en) * 2015-12-11 2016-05-11 北京热华能源科技有限公司 Use horizontal circulating fluidized bed boiler of coal slurry

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130036955A1 (en) * 2011-08-12 2013-02-14 Howard E. Purdum Three Stage Combustor For Low Quality Fuels

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101021318A (en) * 2006-02-16 2007-08-22 山东兖矿国际焦化有限公司 New process for solving coking problem of small and medium-sized circulating fluidized bed boiler
CN101290116A (en) * 2008-01-22 2008-10-22 贵阳超群实业有限公司 Slurry combustion method and boiler and the slurry
CN203836941U (en) * 2014-05-26 2014-09-17 山东华源锅炉有限公司 High-efficiency cleaning suspension fluidization burning coal water slurry fired boiler
CN205227298U (en) * 2015-12-11 2016-05-11 北京热华能源科技有限公司 Use horizontal circulating fluidized bed boiler of coal slurry

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