CN107741021B - A kind of air-cooled slag drying machine clinker sensible heat reclaiming system - Google Patents
A kind of air-cooled slag drying machine clinker sensible heat reclaiming system Download PDFInfo
- Publication number
- CN107741021B CN107741021B CN201711047556.6A CN201711047556A CN107741021B CN 107741021 B CN107741021 B CN 107741021B CN 201711047556 A CN201711047556 A CN 201711047556A CN 107741021 B CN107741021 B CN 107741021B
- Authority
- CN
- China
- Prior art keywords
- air
- drying machine
- slag drying
- sensible heat
- isolation board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/04—Arrangements of recuperators
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
- F23J2900/01009—Controls related to ash or slag extraction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/15041—Preheating combustion air by recuperating heat from ashes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Supply (AREA)
Abstract
The present invention relates to a kind of air-cooled slag drying machine clinker sensible heat reclaiming systems, and shutter rotating folding mechanism air inlet is arranged on the horizontal segment of raising section side in the slag drying machine；Isolating device is set far from the side of the raising section in the air inlet, temperature sensor is set close to the slag drying machine and boiler junction on the inside of the cover top portion, controller is arranged in the outer shell outer wall, is connected respectively by air hose with the second air preheater and the first air preheater at the top of slag drying machine raising section in the air-cooled slag drying machine.The present invention has rational design, influence of the cold air to boiler operatiopn can effectively be avoided, improve cold slag efficiency, clinker sensible heat is made full use of simultaneously, improves low-temperature corrosion of air preheater environment, improves boiler tail flue gas temperature, feed temperature is improved using low-level (stack-gas) economizer recycling heat simultaneously, it controls into furnace total blast volume, reaches low nitrogen burning low oxygen combustion, reduce boiler combustion NOXDischarge reduces SCR region ammonia spraying amount, improves boiler efficiency.
Description
Technical field
The present invention relates to coal-fired boiler in power plant bottom ash dried slag removing technical fields, and in particular to a kind of air-cooled slag drying machine clinker
Sensible heat reclaiming system.
Background technique
Air-cooled dry type slag removing system is air-cooled steel belt machine continuous operation, and high temperature furnace slag is continuously fallen on the conveyor belt, high temperature ash
Slag low-speed motion on the conveyor belt, under the action of negative pressure, controlled a small amount of ambient, cool air inversely enters air-cooled dry type slag remover
Inside makes lime-ash on conveying steel belt gradually by air cooling, and gradually completes burning.Cold air and high-temperature ash carry out sufficient
Heat exchange, air absorb Boiler radiation heat and lime-ash sensible heat, and air themperature is increased to 340 DEG C or so and (is equivalent to boiler secondary
Supply air temperature), into burner hearth, and the cooling temperature of clinker is then down to 100~200 DEG C or so.
Influence general control of the cooling air volume to inlet air of boiler amount is within coefficient of excess air allowable, so after heating
Hot-air can transport burner hearth, and the normal operation of boiler is not had an impact.But if boiler air coefficient of excess is wanted
Ask stringent, hot-air can also be transported to boiler supply air system, be recycled.Cooling air volume is usually required that less than 1% pot
Furnace burning total blast volume；When entering burner hearth wind-warm syndrome > 340 DEG C, cooling air quantity can increase to 1.5~2%.
Traditional air-cooled slag drying machine air-intake device be in slag drying machine hull outside aperture, install an adjustable intake into
The shortcomings that air port, case inside are unlimited state, this air inlet be after cold wind enters shell, can be from the smallest position of resistance
Gap returns to boiler furnace, and since part cold air does not pass through the heat exchange of slag drying machine conveyer belt, the efficiency of cold slag is very low,
Also the normal operation of boiler is influenced.Clinker sensible heat is not utilized effectively in existing pnenmatic slag handling system simultaneously, causes heat
Significant wastage.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of high combustion efficiencies, and it can make full use of furnace
The air-cooled slag drying machine clinker cement sensible heat recovery system of slag sensible heat.
Technical scheme is as follows:
A kind of air-cooled slag drying machine clinker sensible heat reclaiming system, including air-cooled slag drying machine and clinker sensible heat reclaiming system；
The air-cooled slag drying machine, including boiler (1) and slag drying machine (2), the slag drying machine (2) are divided into horizontal segment and promotion
Section, including shell (25) and the conveyer belt (21) being arranged in the shell (25), in the slag drying machine (2) close to raising section one
Air inlet (23) are set on the horizontal segment of side, interposition of air inlet (23) setting in the conveyer belt (21) twice crawler belt
It sets, is opened and closed by driving device (231)；Isolating device is set far from the side of the raising section in the air inlet (23)
(24), the isolating device (24) is arranged on the shell (25) inner wall, including 2 groups of evenly distributed isolation boards, every group of institute
Stating isolation board includes horizontally disposed first isolation board (241) and the second isolation board (242), and first isolation board (241) is
It is inverted door type structure, the first water conservancy diversion slope (2411), the oblique biography in first water conservancy diversion slope (2411) direction is arranged in bottom
Send the lower section of band (21)；Second isolation board (242) is identical as the first isolation board (241) structure, contrary, top setting
Second water conservancy diversion slope (2421), the top of the oblique conveyer belt (21) in second water conservancy diversion slope (2421) direction；
Temperature sensor is set close to the slag drying machine (2) and boiler (1) junction in the shell (25) inside top
(4), shell (25) outer wall setting controller (3), the temperature sensor (4) are connected with the input terminal of controller (3), institute
The output end for stating controller (3) is connected with driving device (231).
At the top of the clinker sensible heat reclaiming system, including the air-cooled slag drying machine and the slag drying machine (2) raising section respectively
The second air preheater (8) and the first air preheater (7) being connected by the first air hose (5) with the second air hose (6), described
One air preheater (7) and the second air preheater (8) are all connected with dust-extraction unit.
Further, the air inlet (23) is shutter rotating folding mechanism.
Further, it is uniformly arranged multiple first air-guiding holes (2412) on first water conservancy diversion slope (2411), described
One air-guiding hole (2412) is round table-like at the air inlet (23), is cylindric at separate the air inlet (23)；It is described
Multiple and identical second air-guiding hole (2422) of first air-guiding hole (2412) is uniformly arranged on second water conservancy diversion slope (2421).
Further, the baffle of first isolation board (241) and the second isolation board (242) two sides and the conveyer belt
(21) spacing is 3-5mm.
Further, the dust-extraction unit includes being separately positioned on the first air preheater (7) and the second air preheater
(8) the first ash bucket (71) and the second ash bucket (81) of bottom outside, first ash bucket (71) and the second ash bucket (81) and grey library
(9) it is connected by pipeline.
Alternatively, the dust-extraction unit is the first whirlwind being separately positioned on first air hose (5) and the second air hose (6)
Separator (51) and the second cyclone separator (61), first cyclone separator (51) and the second cyclone separator (61) and ash
Library (9) is connected by pipeline.
According to the above aspect of the present invention, the present invention has at least the following advantages:
Isolating device is set on the horizontal segment for promoting end side in slag drying machine in the present apparatus, is uniformly arranged by 2 groups
The first isolation board of gate and the second isolation board effectively cold wind can be avoided to enter shell after from the smallest position gap of resistance
Boiler furnace is returned, cold slag efficiency is improved；First isolation board is inverted door type structure, the second isolation board and the first isolation board
Contrary, the combination on the first water conservancy diversion slope and the second water conservancy diversion slope effectively can guide cold air into conveyer belt, guarantee clinker
With cold air heat exchange carry out more sufficiently, while being uniformly arranged respectively on the first water conservancy diversion slope and the second water conservancy diversion slope more
A first air-guiding hole and the second air-guiding hole are funnel-form, and air enters from the big mouth of air-guiding hole, and osculum discharge, flow velocity increases, mentions
High heat exchanger effectiveness；Temperature sensor is set at the top of slag drying machine, and when temperature is outside setting range, controller be can control fastly
The air inlet of door rotating folding mechanism, only intake need to can be adjusted by rotation in shutter rotating folding mechanism, easy to operate, if
Meter rationally, can guarantee boiler combustion sufficiently and clinker cooling effect；Hot-air in slag drying machine is pre- by pipeline and air
Hot device is connected, and improves the exhaust gas temperature at air preheater rear portion, can improve low-temperature corrosion of air preheater environment, pre- air-prevention
The generation and accumulation of preheater ammonium hydrogen sulfate, and control into furnace total blast volume, the burning in boiler furnace is not influenced, reaches low nitrogen combustion
Low oxygen combustion is burnt, NOx emission is controlled, controls furnace exhaust temperature, improves boiler efficiency.
The present invention has rational design, can effectively avoid cold air to the influence of boiler operatiopn, improves cold slag efficiency, fills simultaneously
Divide and utilize clinker sensible heat, improve low-temperature corrosion of air preheater environment, improves boiler tail flue gas temperature, while using low temperature
Economizer recycles heat and improves feed temperature, controls into furnace total blast volume, reaches low nitrogen burning low oxygen combustion, reduces boiler combustion
NOXDischarge reduces SCR region ammonia spraying amount, improves boiler efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the side A of the present invention；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2；
In figure: 1- boiler, 2- slag drying machine, 21- conveyer belt, 23- air inlet, 231- driving device, 24- isolating device,
The first isolation board of 241-, the first water conservancy diversion of 2411- slope, the first air-guiding hole of 2412-, the second isolation board of 242-, the second water conservancy diversion of 2421-
Slope, the second air-guiding hole of 2422-, 25- shell, 3- controller, 4- temperature sensor, the first air hose of 5-, the first cyclonic separation of 51-
Device, the second air hose of 6-, the second cyclone separator of 61-, the first air preheater of 7-, the first ash bucket of 71-, the second air preheat of 8-
Device, the second ash bucket of 81-, 9- ash library.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Embodiment 1
A kind of air-cooled slag drying machine clinker sensible heat reclaiming system as depicted in figs. 1 and 2, including air-cooled slag drying machine and clinker are shown
Hot reclaiming system；
Air-cooled slag drying machine includes boiler 1 and slag drying machine 2, and the slag drying machine 2 divides for horizontal segment and raising section, including shell 25
With the conveyer belt 21 being arranged in the shell 25, air inlet is set on the horizontal segment of raising section side in the slag drying machine 2
Mouth 23, the middle position of the 21 twice crawler belt of conveyer belt is arranged in the air inlet 23, is opened by driving device 231
It closes；The air inlet 23 is shutter rotating folding mechanism, the rotation that the driving device 231 passes through rotation 23 bottom of air inlet
Swivel base realizes folding.Temperature sensor 4 is set with 1 junction of boiler close to the slag drying machine 2 in 25 inside top of shell,
Controller 3 is arranged in 25 outer wall of shell, and the temperature sensor 4 is connected with the input terminal of controller 3, the controller 3
Output end is connected with driving device 231.Temperature sensor is set at the top of slag drying machine, and when temperature is outside setting range, controller can
To control the air inlet of shutter rotating folding mechanism, shutter rotating folding mechanism only need to can be adjusted intake by rotation, grasp
Make simple, design rationally, can guarantee boiler combustion sufficiently and the cooling effect of clinker.
Isolating device 24 is set far from the side of the raising section in the air inlet 23, the setting of isolating device 24 exists
On 25 inner wall of shell, including 2 groups of evenly distributed isolation boards, isolation board described in every group includes horizontally disposed first isolation
Plate 241 and the second isolation board 242, first isolation board 241 are to be inverted door type structure, and the first water conservancy diversion slope is arranged in bottom
2411, the oblique conveyer belt 21 in first water conservancy diversion slope, 2411 direction；Second isolation board 242 and the first isolation board
241 structures are identical, contrary, and the second water conservancy diversion slope 2421, the oblique institute in second water conservancy diversion slope, 2421 direction is arranged in top
State conveyer belt 21；Multiple first air-guiding holes 2412, first air-guiding hole are uniformly arranged on first water conservancy diversion slope 2411
2412 at the air inlet 23 to be round table-like, far from being cylindric at the air inlet 23；Second water conservancy diversion slope
Multiple second air-guiding holes 2422 identical with first air-guiding hole 2412 are uniformly arranged on 2421.First isolation board 241
It is 3-5mm with the baffle of 242 two sides of the second isolation board and the spacing of the conveyer belt 21.The first isolation board of gate of setting and
Two isolation boards from the smallest position gap of resistance return to boiler furnace after effectively cold wind capable of being avoided to enter shell, improve cold slag
Efficiency；The combination on the first water conservancy diversion slope and the second water conservancy diversion slope effectively can guide cold air into conveyer belt, make cold air dry
The movement of slag machine inner curve guarantees that clinker and cold air heat exchange carry out more abundant, while the first air-guiding hole and the second wind-guiding
Hole is funnel-form, and air enters from the big mouth of air-guiding hole, and osculum discharge, flow velocity increases, and improves heat exchanger effectiveness.
Respectively by the at the top of the clinker sensible heat reclaiming system, including the air-cooled slag drying machine and 2 raising section of slag drying machine
The second air preheater 8 and the first air preheater 7 that one air hose 5 is connected with the second air hose 6, first air preheater 7
All it is connected with dust-extraction unit with the second air preheater 8.The dust-extraction unit includes being separately positioned on 7 He of the first air preheater
The first ash bucket 71 and the second ash bucket 81 of second air preheater, 8 bottom outside, first ash bucket 71 and the second ash bucket 81 with
Grey library 9 is connected by pipeline.Hot-air in slag drying machine is connected by pipeline with air preheater, and air preheater rear portion is improved
Exhaust gas temperature, can improve low-temperature corrosion of air preheater environment, prevent the generation and accumulation of air preheater ammonium hydrogen sulfate,
And control into furnace total blast volume, reach low nitrogen burning low oxygen combustion, control NOx emission, control furnace exhaust temperature, improves boiler effect
Rate.
Embodiment 2
As shown in figures 1 and 3 a kind of air-cooled slag drying machine and clinker sensible heat reclaiming system, including air-cooled slag drying machine and clinker
Sensible heat reclaiming system；
Air-cooled slag drying machine includes boiler 1 and slag drying machine 2, and the slag drying machine 2 divides for horizontal segment and raising section, including shell 25
With the conveyer belt 21 being arranged in the shell 25, air inlet is set on the horizontal segment of raising section side in the slag drying machine 2
Mouth 23, the middle position of the 21 twice crawler belt of conveyer belt is arranged in the air inlet 23, is opened by driving device 231
It closes；The air inlet 23 is shutter rotating folding mechanism, the rotation that the driving device 231 passes through rotation 23 bottom of air inlet
Swivel base realizes folding.Temperature sensor 4 is set with 1 junction of boiler close to the slag drying machine 2 in 25 inside top of shell,
Controller 3 is arranged in 25 outer wall of shell, and the temperature sensor 4 is connected with the input terminal of controller 3, the controller 3
Output end is connected with driving device 231.Temperature sensor is set at the top of slag drying machine, and when temperature is outside setting range, controller can
To control the air inlet of shutter rotating folding mechanism, shutter rotating folding mechanism only need to can be adjusted intake by rotation, grasp
Make simple, design rationally, can guarantee boiler combustion sufficiently and the cooling effect of clinker.
Isolating device 24 is set far from the side of the raising section in the air inlet 23, the setting of isolating device 24 exists
On 25 inner wall of shell, including 2 groups of evenly distributed isolation boards, isolation board described in every group includes horizontally disposed first isolation
Plate 241 and the second isolation board 242, first isolation board 241 are to be inverted door type structure, and the first water conservancy diversion slope is arranged in bottom
2411, the oblique conveyer belt 21 in first water conservancy diversion slope, 2411 direction；Second isolation board 242 and the first isolation board
241 structures are identical, contrary, and the second water conservancy diversion slope 2421, the oblique institute in second water conservancy diversion slope, 2421 direction is arranged in top
State conveyer belt 21；Multiple first air-guiding holes 2412, first air-guiding hole are uniformly arranged on first water conservancy diversion slope 2411
2412 at the air inlet 23 to be round table-like, far from being cylindric at the air inlet 23；Second water conservancy diversion slope
Multiple second air-guiding holes 2422 identical with first air-guiding hole 2412 are uniformly arranged on 2421.First isolation board 241
It is 3-5mm with the baffle of 242 two sides of the second isolation board and the spacing of the conveyer belt 21.The first isolation board of gate of setting and
Two isolation boards from the smallest position gap of resistance return to boiler furnace after effectively cold wind capable of being avoided to enter shell, improve cold slag
Efficiency；The combination on the first water conservancy diversion slope and the second water conservancy diversion slope effectively can guide cold air into conveyer belt, make cold air dry
The movement of slag machine inner curve guarantees that clinker and cold air heat exchange carry out more abundant, while the first air-guiding hole and the second wind-guiding
Hole is funnel-form, and air enters from the big mouth of air-guiding hole, and osculum discharge, flow velocity increases, and improves heat exchanger effectiveness.
Respectively by the at the top of the clinker sensible heat reclaiming system, including the air-cooled slag drying machine and 2 raising section of slag drying machine
The second air preheater 8 and the first air preheater 7 that one air hose 5 is connected with the second air hose 6, first air preheater 7
All it is connected with dust-extraction unit with the second air preheater 8.The dust-extraction unit is to be separately positioned on first air hose 5 and second
The first cyclone separator 51 and the second cyclone separator 61 on air hose 6.First cyclone separator 51 and the second whirlwind point
It is connected with grey library 9 by pipeline from device 61.Hot-air in slag drying machine is connected by pipeline with air preheater, and it is pre- to improve air
The exhaust gas temperature at hot device rear portion can improve low-temperature corrosion of air preheater environment, prevent the life of air preheater ammonium hydrogen sulfate
At and accumulation, and control into furnace total blast volume, reach low nitrogen burning low oxygen combustion, control NOx emission, control furnace exhaust temperature,
Improve boiler efficiency.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of air-cooled slag drying machine clinker sensible heat reclaiming system, it is characterised in that: including air-cooled slag drying machine and clinker sensible heat reuse
System；
The air-cooled slag drying machine, including boiler (1) and slag drying machine (2), the slag drying machine (2) are divided into horizontal segment and raising section, packet
The conveyer belt (21) for including shell (25) and being arranged in the shell (25), in the slag drying machine (2) close to raising section side
Air inlet (23) are set on horizontal segment, the air inlet (23) is arranged in the middle position of the conveyer belt (21) twice crawler belt,
It is opened and closed by driving device (231)；Isolating device is set far from the side of the raising section in the air inlet (23)
(24), the isolating device (24) is arranged on the shell (25) inner wall, including 2 groups of evenly distributed isolation boards, every group of institute
Stating isolation board includes horizontally disposed first isolation board (241) and the second isolation board (242), and first isolation board (241) is
It is inverted door type structure, the first water conservancy diversion slope (2411), the oblique biography in first water conservancy diversion slope (2411) direction is arranged in bottom
Send the lower section of band (21)；Second isolation board (242) is identical as the first isolation board (241) structure, contrary, top setting
Second water conservancy diversion slope (2421), the top of the oblique conveyer belt (21) in second water conservancy diversion slope (2421) direction,
Multiple first air-guiding holes (2412), first air-guiding hole (2412) are uniformly arranged on first water conservancy diversion slope (2411)
It is round table-like at the air inlet (23), is cylindric at separate the air inlet (23)；Second water conservancy diversion slope
(2421) multiple and identical second air-guiding hole (2422) of first air-guiding hole (2412) is uniformly arranged on；
Temperature sensor (4) are set close to the slag drying machine (2) and boiler (1) junction in the shell (25) inside top,
Controller (3) are arranged in shell (25) outer wall, and the temperature sensor (4) is connected with the input terminal of controller (3), the control
The output end of device (3) processed is connected with driving device (231)；
Pass through respectively at the top of the clinker sensible heat reclaiming system, including the air-cooled slag drying machine and the slag drying machine (2) raising section
The second air preheater (8) and the first air preheater (7) that first air hose (5) is connected with the second air hose (6), described first is empty
Air preheater (7) and the second air preheater (8) are all connected with dust-extraction unit.
2. air-cooled slag drying machine clinker sensible heat reclaiming system according to claim 1, it is characterised in that: the air inlet (23)
For shutter rotating folding mechanism.
3. air-cooled slag drying machine clinker sensible heat reclaiming system according to claim 1, it is characterised in that: first isolation board
(241) and the spacing of the baffle of the second isolation board (242) two sides and the conveyer belt (21) is 3-5mm.
4. air-cooled slag drying machine clinker sensible heat reclaiming system according to claim 1, it is characterised in that: the dust-extraction unit packet
Include the first ash bucket (71) and second for being separately positioned on the first air preheater (7) and the second air preheater (8) bottom outside
Ash bucket (81), first ash bucket (71) and the second ash bucket (81) are connected with grey library (9) by pipeline.
5. air-cooled slag drying machine clinker sensible heat reclaiming system according to claim 1, it is characterised in that: the dust-extraction unit is
The first cyclone separator (51) and the second cyclone separator being separately positioned on first air hose (5) and the second air hose (6)
(61), first cyclone separator (51) and the second cyclone separator (61) are connected with grey library (9) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711047556.6A CN107741021B (en) | 2017-10-31 | 2017-10-31 | A kind of air-cooled slag drying machine clinker sensible heat reclaiming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711047556.6A CN107741021B (en) | 2017-10-31 | 2017-10-31 | A kind of air-cooled slag drying machine clinker sensible heat reclaiming system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107741021A CN107741021A (en) | 2018-02-27 |
| CN107741021B true CN107741021B (en) | 2019-07-23 |
Family
ID=61233675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711047556.6A Active CN107741021B (en) | 2017-10-31 | 2017-10-31 | A kind of air-cooled slag drying machine clinker sensible heat reclaiming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107741021B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460614B (en) * | 2020-10-20 | 2022-04-22 | 应县方圆炉业制造有限责任公司 | Air-cooled high temperature furnace ash is with carrying processing apparatus |
| CN112413617B (en) * | 2020-11-20 | 2022-09-27 | 西安热工研究院有限公司 | Scraper type dehydration and deslagging system suitable for thermal power plant |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA200900334A1 (en) * | 2006-08-22 | 2009-06-30 | Магальди Пауэр С.П.А. | SYSTEM OF REMOVAL AND AIR / WATER COOLING OF BIG AMERICA DENSE ASH |
| CN102032583A (en) * | 2009-09-29 | 2011-04-27 | 克莱德贝尔格曼干燥控制有限公司 | Method and device for carrying out conveying, cooling and energy recovering on heat material |
| CN102155743A (en) * | 2011-04-15 | 2011-08-17 | 山东电力研究院 | Ventilation control system and method applicable to dry type slag extractor |
| CN202419677U (en) * | 2011-10-24 | 2012-09-05 | 河北省电力勘测设计研究院 | Dry slagging cooling air processing system |
| CN202792059U (en) * | 2012-07-28 | 2013-03-13 | 青岛达能环保设备股份有限公司 | Multilevel air-cooled dry slag device |
| CN103939924A (en) * | 2014-03-05 | 2014-07-23 | 北京国电富通科技发展有限责任公司 | Intelligent control system for dry slag cooling air amount |
| CN204345678U (en) * | 2014-12-16 | 2015-05-20 | 华电国际电力股份有限公司技术服务中心 | A kind of ventilation place system for boiler pnenmatic slag handling |
| CN105180185A (en) * | 2015-09-25 | 2015-12-23 | 杭州元珑环境工程有限公司 | Air-cooled dry slag extractor with pneumatic transmission system and control method of air-cooled dry slag extractor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5051721B2 (en) * | 2008-05-16 | 2012-10-17 | 川崎重工業株式会社 | Biomass mixed combustion pulverized coal fired boiler |
-
2017
- 2017-10-31 CN CN201711047556.6A patent/CN107741021B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA200900334A1 (en) * | 2006-08-22 | 2009-06-30 | Магальди Пауэр С.П.А. | SYSTEM OF REMOVAL AND AIR / WATER COOLING OF BIG AMERICA DENSE ASH |
| CN102032583A (en) * | 2009-09-29 | 2011-04-27 | 克莱德贝尔格曼干燥控制有限公司 | Method and device for carrying out conveying, cooling and energy recovering on heat material |
| CN102155743A (en) * | 2011-04-15 | 2011-08-17 | 山东电力研究院 | Ventilation control system and method applicable to dry type slag extractor |
| CN202419677U (en) * | 2011-10-24 | 2012-09-05 | 河北省电力勘测设计研究院 | Dry slagging cooling air processing system |
| CN202792059U (en) * | 2012-07-28 | 2013-03-13 | 青岛达能环保设备股份有限公司 | Multilevel air-cooled dry slag device |
| CN103939924A (en) * | 2014-03-05 | 2014-07-23 | 北京国电富通科技发展有限责任公司 | Intelligent control system for dry slag cooling air amount |
| CN204345678U (en) * | 2014-12-16 | 2015-05-20 | 华电国际电力股份有限公司技术服务中心 | A kind of ventilation place system for boiler pnenmatic slag handling |
| CN105180185A (en) * | 2015-09-25 | 2015-12-23 | 杭州元珑环境工程有限公司 | Air-cooled dry slag extractor with pneumatic transmission system and control method of air-cooled dry slag extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107741021A (en) | 2018-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207963507U (en) | A kind of coal base shaft furnace flue gas waste heat recovery system | |
| CN107677136B (en) | Ceramic kiln waste heat comprehensive recycling system | |
| CN103939924B (en) | A kind of dry slag cooling air quantity intelligence control system | |
| CN104208995B (en) | A kind of thermal device improving boiler wet method desulfurization neat stress temperature and method | |
| CN107741021B (en) | A kind of air-cooled slag drying machine clinker sensible heat reclaiming system | |
| CN204438718U (en) | Residual heat from boiler fume drying brown coal system and boiler smoke system | |
| CN107940448B (en) | Pulverized coal particle circulating fluidized bed combustion system and combustion method thereof | |
| CN101979951B (en) | Dry dedusting and sensible heat recovery system for electric furnace flue gas | |
| CN103615908A (en) | Combined waste heat recycling system for stepping-type flat-burning sintering machine | |
| CN111981473A (en) | Slag burnout system and method of biomass boiler | |
| CN204756887U (en) | High -efficient hot media water system of circulating fluidized bed boiler | |
| CN203657211U (en) | Waste heat comprehensive utilization system of biomass boiler | |
| CN207958425U (en) | Electric heating roller-bottom type semiclosed loop thermal cycle annealing device | |
| CN203349629U (en) | High-efficiency energy-saving environment-friendly intelligent-type drying kiln | |
| CN212362788U (en) | Energy-saving system of tea leaf drying hot-blast stove | |
| CN206755143U (en) | Steam boiler fume emission heat reclaim unit | |
| CN207881214U (en) | Organic heat carrier furnace | |
| CN206018595U (en) | Chain grate boiler compound combustion control system | |
| CN207025088U (en) | A kind of electric heater dust stratification removal system | |
| CN207112828U (en) | Tail gas from incinerator cleaning system | |
| CN203132320U (en) | Oxygen enrichment energy-saving copper converting reverberating furnace | |
| CN212456818U (en) | Slag burnout system of biomass boiler | |
| CN205066393U (en) | Special hot -blast furnace of grain drying tower | |
| CN209085058U (en) | A kind of biomass heat-conduction oil oven recycling system | |
| CN212157136U (en) | Bed material recycling device in circulating fluidized bed boiler operation process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |