CN104132355A - Dry-type deslagging system capable of adjusting cooling air - Google Patents
Dry-type deslagging system capable of adjusting cooling air Download PDFInfo
- Publication number
- CN104132355A CN104132355A CN201410361258.4A CN201410361258A CN104132355A CN 104132355 A CN104132355 A CN 104132355A CN 201410361258 A CN201410361258 A CN 201410361258A CN 104132355 A CN104132355 A CN 104132355A
- Authority
- CN
- China
- Prior art keywords
- cooling air
- air
- dry
- take out
- door
- 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.)
- Pending
Links
Landscapes
- Manufacture Of Iron (AREA)
Abstract
The invention relates to a cooling air dry-type deslagging system, in particular to a dry-type deslagging system capable of adjusting cooling air. The problem that the volume of cooling air entering a hearth is too large according to an existing dry-type deslagging system, and therefore the operating efficiency of a boiler is reduced is solved. One end of a hot air exhausting pipeline is communicated with a horizontal section, and the other end of the hot air exhausting pipeline is communicated with a primary air inlet flue. A hot air exhausting fan inlet isolation door, a hot air exhausting fan inlet adjusting door, a hot air exhausting fan and a hot air exhausting fan outlet isolation door are sequentially arranged on the hot air exhausting pipeline. A cooling air adjusting baffle is obliquely arranged over a hydraulic opening-closing door, and the opening degree of the cooling air adjusting baffle ranges from 0 to 100%. A motor is arranged on the outer side wall of the boiler. The motor and the cooling air adjusting baffle are in driving connection through a valve rod. The dry-type deslagging system capable of adjusting cooling air is used for comprehensively adjusting cooling air inside the hearth of the boiler.
Description
Technical field
The present invention relates to a kind of cooling air dry type dreg removing system.
Background technology
Dreg removing system is the important system in thermal power plant, and the application of advantage in thermal power plant is more and more extensive because its water saving, economize on electricity, simple, the dry slag purposes of system be wide etc. for Dry Slag Removal System in recent years.The basic principle of Dry Slag Removal System is to utilize combustion chamber draft draws ambient air and hot slag to carry out heat convection, makes cooling of furnace slag, and the surrounding air after heating enters burner hearth.From the angle of the conservation of energy, Dry Slag Removal System utilizes surrounding air to reclaim the heat of slag, and this is conducive to improve boiler operating efficiency.
But in fact, if it is larger to enter the cooling air quantity of burner hearth, by the combustion centre that makes boiler on the upper side, and reduce the air capacity through air preheater, this all will make exhaust gas temperature raise, thereby boiler operating efficiency is had a negative impact, so the boiler operating efficiency in most of thermal power plant of Dry Slag Removal System is installed, do not improve, decrease on the contrary.
Result of study shows, when enter the cooling air quantity of burner hearth be no more than the required total air of boiler combustion 1% time, the hot-air that enters burner hearth can improve the operational efficiency of boiler effectively; When enter the cooling air quantity of burner hearth surpass the required total air of boiler combustion 1% time, can reduce on the contrary the operational efficiency of boiler.In actual moving process, cooling air quantity is often much larger than 1% of the required total air of boiler combustion.This mainly contains the reason of two aspects:
The firstth, due to the kind difference of coal and the deviation of operating condition, cause actual slag amount much larger than design slag amount, so need more cooling air to carry out cooling to slag;
The secondth, because existing dreg removing system is poorly sealed, although can regulate cooling air quantity by cooling air inlet door and manual adjustments butterfly valve, but regulating effect is also not obvious, cause the cooling air at dry-type slag extractor horizontal segment place excessive, and hydraulic shutoff door is difficult for often opening and closing, and open and close and slowly can not meet the needs of quick deslagging, the dry-type slag extractor enter burner hearth by hydraulic shutoff door therefore a large amount of cooling airs bleed from other poorly sealed gaps, the dry-type slag extractor system architecture of prior art is referring to Fig. 3.
Summary of the invention
The object of this invention is to provide a kind of dry-type slag extractor cooling air comprehensive adjustment and utilize system, to solve existing Dry Slag Removal System, to make to enter the cooling air quantity of burner hearth excessive, the problem that causes boiler operating efficiency to reduce.
The present invention addresses the above problem the technical scheme of taking to be: the adjustable Dry Slag Removal System of described cooling air of the present invention comprises dry-type slag extractor, slag storehouse, wind entrance air channel, camera, primary air fan and several boilers, primary air fan and a wind entrance air channel are interconnected
Dry-type slag extractor comprises several cooling air manual adjustments butterfly valves, conveyer belt, horizontal segment and liter section, horizontal segment is connected with liter section, conveyer belt is layed in successively horizontal segment and rises in section, several cooling air manual adjustments butterfly valve along continuous straight runs are set in turn in horizontal segment, horizontal segment top vertically arranges several boilers, several boiler along continuous straight runs set gradually, burner hearth bottom is disposed with grid and hydraulic shutoff door from the bottom to top, slag storehouse is communicated with a liter section highest point, the top that rises section offers dry-type slag extractor cooling air inlet door, camera is installed on the madial wall of burner hearth bottom,
The Dry Slag Removal System that described cooling air is adjustable also comprises takes out hot blast parts and cooling air adjusting parts,
Take out hot blast parts and comprise and take out hot air duct, take out air-heater outlet isolation door, take out air-heater, take out air-heater inlet adjusting door and take out air-heater import isolation door,
The one end of taking out hot air duct is communicated with horizontal segment, the other end of taking out hot air duct is connected with a wind entrance air channel, take out air-heater import isolation door, take out air-heater inlet adjusting door, take out air-heater and take out air-heater outlet isolation door and be arranged at and take out on hot air duct in turn
Cooling air regulates parts to comprise motor, valve rod and cooling air controllable register,
Cooling air controllable register is obliquely installed directly over hydraulic shutoff door, and cooling air controllable register aperture is 0 to 100%, and motor is arranged on the lateral wall of boiler, and motor is driven and is connected by valve rod with cooling air controllable register.
The present invention compared with prior art has following beneficial effect:
1, because cooling air controllable register is obliquely installed, therefore when cooling air controllable register is opened, the slag producing in burner hearth is along the incline direction landing flake hearth-tapping bottom 2-1 of cooling air controllable register, and can not remain on cooling air controllable register, reduced the slag amount in burner hearth, thereby effectively reduce the demand of burner hearth to cooling air, therefore enter the cooling air quantity of burner hearth, reduce.
2, cooling air controllable register aperture is 0 to 100%, and when cooling air controllable register aperture is 0,2-1 is airtight in burner hearth bottom, prevents that cooling air from entering in burner hearth.
3, because plate one 2-41 and plate two 2-42 are controlled respectively by motor one 2-61 and motor two 2-62, be that plate one 2-41 and the equal concurrently-acting of plate two 2-42 open and close burner hearth, the cooling air area of passage of burner hearth bottom 2-1 is changed fast, thereby reach the intake of quick adjustment cooling air, therefore relatively in prior art, by hydraulic shutoff door 2-3, carry out cooling air adjusting more in real time effectively.
4, the one end of taking out hot air duct 3-0 is communicated with the outer end of horizontal segment 1-2, the other end of taking out hot air duct 3-0 is connected with a wind entrance air channel 5-1, taking out air-heater 3-2 overcomes and takes out the flow resistance of hot air duct 3-0 and take out the pressure differential that hot air duct 3-0 imports and exports the cooling air in dry-type slag extractor is extracted out, effectively guaranteed that cooling air flow to wind entrance air channel 5-1 one time from horizontal segment 1-2 afterbody, thereby reduced the cooling air quantity in dry-type slag extractor, take out air-heater inlet adjusting door 3-3 and regulate the cooling air quantity extracting, take out air-heater outlet isolation door 3-1 with take out air-heater import isolation door 3-4 when this system is stopped using or during maintenance for the isolated hot air duct 3-0 that takes out.
5, taking out hot blast parts regulates and uses combining of parts and in conjunction with the intermittence of hydraulic shutoff door, the keying of staggering the time, the cooling air of burner hearth carried out to comprehensive adjustment with cooling air, and part cooling air is drawn into wind entrance air channel 5-1 one time, improve primary air fan 5-0 intake air temperature, heat in burner hearth is sent to primary air fan 5-0 place, thereby has improved the recycling of burner hearth heat energy;
6, system of the present invention has simply, transforms the advantages such as operating cost is low.
By test, compare, comprehensive adjustment of the present invention utilizes the relatively existing Dry Slag Removal System of system to make the operational efficiency of boiler improve 32%.
Accompanying drawing explanation
Fig. 1 is structural representation front view of the present invention, and Fig. 2 is the A-A cutaway view of Fig. 1, and Fig. 3 is the dry-type slag extractor system architecture schematic front view of prior art.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1 and Fig. 2 explanation, the adjustable Dry Slag Removal System of described cooling air of present embodiment comprises dry-type slag extractor 1-0, slag storehouse 4-0, wind entrance air channel 5-1, camera 2-5, primary air fan 5-0 and several boilers 2-0, primary air fan 5-0 and a wind entrance air channel 5-1 are interconnected
Dry-type slag extractor 1-0 comprises several cooling air manual adjustments butterfly valves 1-1, conveyer belt 1-4, horizontal segment 1-2 and a liter section 1-3, horizontal segment 1-2 is connected with a liter section 1-3, conveyer belt 1-4 is layed in successively horizontal segment 1-2 and rises on section 1-3, several cooling air manual adjustments butterfly valves 1-1 along continuous straight runs is set in turn in horizontal segment 1-2, horizontal segment 1-2 top vertically arranges several boilers 2-0, several boilers 2-0 along continuous straight runs sets gradually, burner hearth bottom 2-1 is disposed with grid 2-2 and hydraulic shutoff door 2-3 from the bottom to top, slag storehouse 4-0 is communicated with a liter section 1-3 highest point, the top that rises section 1-3 offers dry-type slag extractor cooling air inlet door 1-5, camera 2-5 is installed on the madial wall of burner hearth bottom 2-1,
The Dry Slag Removal System that described cooling air is adjustable also comprises takes out hot blast parts and cooling air adjusting parts,
Take out hot blast parts and comprise and take out hot air duct 3-0, take out air-heater outlet isolation door 3-1, take out air-heater 3-2, take out air-heater inlet adjusting door 3-3 and take out air-heater import isolation door 3-4,
The one end of taking out hot air duct 3-0 is communicated with horizontal segment 1-2, the other end of taking out hot air duct 3-0 is connected with a wind entrance air channel 5-1, take out air-heater import isolation door 3-4, take out air-heater inlet adjusting door 3-3, take out air-heater 3-2 and take out air-heater outlet isolation door 3-1 and be arranged in turn and take out on hot air duct 3-0
Cooling air regulates parts to comprise motor, valve rod and cooling air controllable register,
Cooling air controllable register is obliquely installed directly over hydraulic shutoff door 2-3, and cooling air controllable register aperture is 0 to 100%, and motor is arranged on the lateral wall of boiler 2-0, and motor is driven and is connected by valve rod with cooling air controllable register.
The advance and retreat of Electric Machine Control valve rod, and then the sliding position of control and regulation baffle plate.
The specific embodiment two: in conjunction with Fig. 1 and Fig. 2 explanation, the cooling air controllable register of present embodiment and the angle of inclination of horizontal plane are 30 °.
The angle of inclination of cooling air controllable register and horizontal plane is 30 ° and is advisable.Under this angle of inclination, when cooling air controllable register (hereinafter to be referred as " controllable register ") is opened, the not long-pending slag of controllable register upper surface; When controllable register is closed, on controllable register, can accumulate more uniformly slag.Thereby the slag that has effectively guaranteed to fall on controllable register can slip down under the effect of gravity, effectively guarantee that controllable register has enough intensity and can withstand shocks simultaneously, if described angle of inclination is excessive, when controllable register is closed, slag mainly concentrates on controllable register leading portion, increased the suffered stress of controllable register, higher to controllable register requirement of strength, thus increased design and manufacture cost.
In present embodiment, undocumented technical characterictic is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1 and Fig. 2 explanation, the cooling air controllable register of present embodiment is along inclined direction slidably connected with burner hearth bottom 2-1 inwall.
Cooling air controllable register adopts the mode being slidably connected to open and close, relatively adopt the opening/shutting mode of " hanging " formula effectively to reduce the resistance that cooling air controllable register opens and closes, resistance when especially cooling air controllable register is closed, and save the keying space of cooling air controllable register, effectively reduce the workload of motor.
In present embodiment, undocumented technical characterictic is identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 1 and Fig. 2 explanation, present embodiment cooling air regulates parts to comprise motor one 2-61, motor two 2-62 and cooling air controllable register, cooling air controllable register comprises plate one 2-41 and plate two 2-42, plate one 2-41 and plate two 2-42 are all arranged in the burner hearth bottom 2-1 of hydraulic shutoff door top, plate one 2-41 and plate two 2-42 symmetries are obliquely installed, motor one 2-61 control panel one 2-41 action, motor two 2-62 control panel two 2-42 actions.
In present embodiment, adopt two boards (plate one 2-41, plate two 2-42) to regulate the cooling air that enters burner hearth, can make to regulate the mode of cooling air more versatile and flexible, thereby meet the needs of cooling air different adjustment mode; For example, when plate one 2-41 damage can not normally be opened, can carry out the adjusting of cooling air by an opening-closing plate two 2-42; For another example when needs increase rapidly in burner hearth cooling air, can make by the mode of while opening board one 2-41 and plate two 2-42 area of passage moment of burner hearth bottom 2-1 increase, thereby reach effect of the interior cooling air of rapid increase burner hearth etc.
In present embodiment, undocumented technical characterictic is identical with the specific embodiment three.
The specific embodiment five: in conjunction with Fig. 1 and Fig. 2 explanation, the internal diameter of taking out hot air duct 3-0 of present embodiment is 40mm to 50mm.
In present embodiment, undocumented technical characterictic is identical with the specific embodiment one or four.
The specific embodiment six: in conjunction with Fig. 1 and Fig. 2 explanation, one end of taking out hot air duct 3-0 of present embodiment is connected with the tail end of horizontal segment 1-2.
In present embodiment, undocumented technical characterictic is identical with the specific embodiment five.
Embodiment mono-
The boiler that the evaporation capacity of take is 1025t/h is the control of example explanation to cooling air quantity.
This boiler slag generation under 100% load condition is 10t/h, and slag need to be cooled to 50 ℃ from 800 ℃, and cooling air is generally heated to 300 ℃ from environment temperature (getting 20 ℃).According to principle of heat balance, calculating known required cooling air quantity is 19047kg/h, and the required total air of boiler combustion is 1068t/h under 100% load condition.As can be seen here, cooling air quantity has surpassed 1% of the required total air of boiler combustion, if cooling air all enters burner hearth, can reduce boiler operating efficiency.
Primary air fan 5-0 extracts part hot blast to time wind entrance air channel 5-1, to improve air temperature one time.The ratio that extracts hot blast regulates guaranteeing under the normal cooling prerequisite of slag by cooling air controllable register and take out air-heater inlet adjusting door 3-3.If according to calculating hot blast to the time wind entrance that extracts 50%, can make once wind inlet temperature improve 13 ℃.Take out hot air duct 3-0 and choose the pipeline that internal diameter is 50mm, the flow resistance of taking out hot air duct 3-0 is about 1.5kPa, can calculate that accordingly the power of taking out air-heater 3-2 consumption is about 10kW.
Embodiment bis-
Take 300MW Class Coal Fired Boilers as the control of example explanation to cooling air quantity.
This 300MW Class Coal Fired Boilers one has 5 independently slag buckets, has 5 hydraulic shutoff doors and 5 cooling air controllable registers of the present invention.When boiler load is lower than 50% time, can complete shut-down 3 cooling air controllable registers wherein, open two other cooling air controllable register, cooling air controllable register aperture is depending on concrete load and the quantity of slag, take half an hour to one hour as the cycle alternately opens and regulates veneer, guarantee to only have two adjusting veneers to open in the same time, with this, control the cooling air quantity that enters burner hearth.And take out hot air duct inlet adjusting Men Ze, be used for regulating total cooling air quantity, guarantee the normally cooling of slag, make cooling of furnace slag to 50 ℃ to 100 ℃.When boiler load is greater than 50%, can alternately open in the foregoing manner 3 to 4 controllable registers.Generally, even when boiler reaches 100% load, also do not need 5 controllable registers all to open, unless under special circumstances, during as boiler soot-blowing, the quantity of slag increases suddenly.
Operating instruction
1, when boiler load, lower than 50% time or by camera, observe the quantity of slag hour, now required cooling air quantity is less,
Method one, can turn down the aperture of cooling air controllable register;
Method two, take that half an hour or one hour (this time interval can be carried out verification by actual motion) as the cycle replaces opening board one 2-41 and plate two 2-42 further control the cooling air quantity that enters burner hearth;
Method three, complete shut-down part controllable register, suitably open and take out air-heater inlet adjusting door 3-3, make to enter that the cooling air quantity of burner hearth is very little and lower than 1% of required boiler combustion total air, unnecessary cooling air enters wind entrance air channel 5-1 one time by taking out hot air duct 3-0.
2, when boiler load is greater than 50% or by camera, observe the quantity of slag when larger, now required cooling air quantity is larger, keep cooling air controllable register to suitable aperture, and open and take out greatly air-heater inlet adjusting door 3-3, make most of cooling air enter wind entrance air channel 5-1 one time by taking out hot air duct 3-0, guarantee that a small amount of cooling air enters burner hearth.
3, under special circumstances, in the time of need to overhauling as dry-type slag extractor, also can close cooling air controllable register completely at short notice, make the isolation of burner hearth and dry-type slag extractor, thereby realize in the short time not shutdown maintenance dry-type slag extractor.
Claims (6)
1. the Dry Slag Removal System that cooling air is adjustable, the Dry Slag Removal System that described cooling air is adjustable comprises dry-type slag extractor (1-0), slag storehouse (4-0), a wind entrance air channel (5-1), camera (2-5), primary air fan (5-0) and several boilers (2-0), primary air fan (5-0) is interconnected with a wind entrance air channel (5-1)
Dry-type slag extractor (1-0) comprises several cooling air manual adjustments butterfly valves (1-1), conveyer belt (1-4), horizontal segment (1-2) and liter section (1-3), horizontal segment (1-2) is connected with liter section (1-3), conveyer belt (1-4) is layed in successively horizontal segment (1-2) and rises in section (1-3), several cooling air manual adjustments butterfly valve (1-1) along continuous straight runs are set in turn in horizontal segment (1-2), horizontal segment (1-2) top vertically arranges several boilers (2-0), several boilers (2-0) along continuous straight runs sets gradually, burner hearth bottom (2-1) is disposed with grid (2-2) and hydraulic shutoff door (2-3) from the bottom to top, slag storehouse (4-0) is communicated with liter section (1-3) highest point, the top that rises section (1-3) offers dry-type slag extractor cooling air inlet door (1-5), camera (2-5) is installed on the madial wall of burner hearth bottom (2-1),
It is characterized in that:
The Dry Slag Removal System that described cooling air is adjustable also comprises takes out hot blast parts and cooling air adjusting parts,
Take out hot blast parts and comprise and take out hot air duct (3-0), take out air-heater outlet isolation door (3-1), take out air-heater (3-2), take out air-heater inlet adjusting door (3-3) and take out air-heater import isolation door (3-4),
The one end of taking out hot air duct (3-0) is communicated with horizontal segment (1-2), the other end of taking out hot air duct (3-0) is connected with a wind entrance air channel (5-1), take out air-heater import isolation door (3-4), take out air-heater inlet adjusting door (3-3), take out air-heater (3-2) and take out air-heater outlet isolation door (3-1) and be arranged in turn and take out on hot air duct (3-0)
Cooling air regulates parts to comprise motor, valve rod and cooling air controllable register,
Cooling air controllable register is obliquely installed directly over hydraulic shutoff door (2-3), and cooling air controllable register aperture is 0 to 100%, and motor is arranged on the lateral wall of boiler (2-0), and motor is driven and is connected by valve rod with cooling air controllable register.
2. the adjustable Dry Slag Removal System of cooling air according to claim 1, is characterized in that: the angle of inclination of cooling air controllable register and horizontal plane is 30 °.
3. the adjustable Dry Slag Removal System of cooling air according to claim 1 and 2, is characterized in that: cooling air controllable register is along inclined direction slidably connected with burner hearth bottom (2-1) inwall.
4. the adjustable Dry Slag Removal System of cooling air according to claim 3, it is characterized in that: cooling air regulates parts to comprise motor one (2-61), motor two (2-62) and cooling air controllable register, cooling air controllable register comprises plate one (2-41) and plate two (2-42), plate one (2-41) and plate two (2-42) are all arranged in the burner hearth bottom (2-1) of hydraulic shutoff door top, plate one (2-41) is obliquely installed with plate two (2-42) symmetry, motor one (2-61) control panel one (2-41) action, motor two (2-62) control panel two (2-42) action.
5. according to the adjustable Dry Slag Removal System of cooling air described in claim 1,2 or 4, it is characterized in that: the internal diameter of taking out hot air duct (3-0) is 40mm to 50mm.
6. the adjustable Dry Slag Removal System of cooling air according to claim 5, is characterized in that: the one end of taking out hot air duct (3-0) is connected with the tail end of horizontal segment (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361258.4A CN104132355A (en) | 2014-07-25 | 2014-07-25 | Dry-type deslagging system capable of adjusting cooling air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361258.4A CN104132355A (en) | 2014-07-25 | 2014-07-25 | Dry-type deslagging system capable of adjusting cooling air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104132355A true CN104132355A (en) | 2014-11-05 |
Family
ID=51805138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410361258.4A Pending CN104132355A (en) | 2014-07-25 | 2014-07-25 | Dry-type deslagging system capable of adjusting cooling air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104132355A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832930A (en) * | 2015-03-13 | 2015-08-12 | 国电科学技术研究院 | Slag cooling device applicable to dry slag discharge machines and application thereof |
| CN105020726A (en) * | 2015-07-28 | 2015-11-04 | 南京电力设备质量性能检验中心 | Device for recovering hot air of dry type slag removal machine and reducing disorganized air leakage of bottom of hearth and application thereof |
| CN109373339A (en) * | 2018-10-31 | 2019-02-22 | 西安热工研究院有限公司 | A kind of dry deslagging protection system and its working method |
| CN110986065A (en) * | 2019-11-18 | 2020-04-10 | 国网河北省电力有限公司电力科学研究院 | System for heating smoke by cooling air of slag drying machine and method for eliminating smoke plume |
| CN111610044A (en) * | 2020-04-27 | 2020-09-01 | 国网河北省电力有限公司电力科学研究院 | Method for measuring, evaluating and calculating cooling air volume of dry-type slag extractor |
| CN113154418A (en) * | 2021-06-08 | 2021-07-23 | 青岛海洲电力设备有限公司 | Implementation scheme for transforming wet slag dragging system into dry slag discharging system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0252967B1 (en) * | 1986-01-10 | 1989-08-23 | MAGALDI, Mario | Apparatus for continuous dry removal of bottom ash |
| CN102287835A (en) * | 2010-06-18 | 2011-12-21 | 中国电力工程顾问集团华东电力设计院 | Boiler wet-type slag removal system |
| CN102444898A (en) * | 2011-11-29 | 2012-05-09 | 吉林省电力科学研究院有限公司 | Power station boiler dry slag discharge air infiltration control system and method |
| CN102580832A (en) * | 2012-02-03 | 2012-07-18 | 山东电力研究院 | Isolating and slag crushing device applicable to dry slag extractor and method for same |
| 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 |
| CN102818272A (en) * | 2012-07-20 | 2012-12-12 | 北京国电富通科技发展有限责任公司 | Dry-type slag conveying device, slag removing apparatus, and slag removing method |
-
2014
- 2014-07-25 CN CN201410361258.4A patent/CN104132355A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0252967B1 (en) * | 1986-01-10 | 1989-08-23 | MAGALDI, Mario | Apparatus for continuous dry removal of bottom ash |
| CN102287835A (en) * | 2010-06-18 | 2011-12-21 | 中国电力工程顾问集团华东电力设计院 | Boiler wet-type slag removal system |
| 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 |
| CN102444898A (en) * | 2011-11-29 | 2012-05-09 | 吉林省电力科学研究院有限公司 | Power station boiler dry slag discharge air infiltration control system and method |
| CN102580832A (en) * | 2012-02-03 | 2012-07-18 | 山东电力研究院 | Isolating and slag crushing device applicable to dry slag extractor and method for same |
| CN102818272A (en) * | 2012-07-20 | 2012-12-12 | 北京国电富通科技发展有限责任公司 | Dry-type slag conveying device, slag removing apparatus, and slag removing method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832930A (en) * | 2015-03-13 | 2015-08-12 | 国电科学技术研究院 | Slag cooling device applicable to dry slag discharge machines and application thereof |
| CN104832930B (en) * | 2015-03-13 | 2017-01-18 | 国电科学技术研究院 | Slag cooling device applicable to dry slag discharge machines and application thereof |
| CN105020726A (en) * | 2015-07-28 | 2015-11-04 | 南京电力设备质量性能检验中心 | Device for recovering hot air of dry type slag removal machine and reducing disorganized air leakage of bottom of hearth and application thereof |
| CN109373339A (en) * | 2018-10-31 | 2019-02-22 | 西安热工研究院有限公司 | A kind of dry deslagging protection system and its working method |
| CN110986065A (en) * | 2019-11-18 | 2020-04-10 | 国网河北省电力有限公司电力科学研究院 | System for heating smoke by cooling air of slag drying machine and method for eliminating smoke plume |
| CN110986065B (en) * | 2019-11-18 | 2021-08-17 | 国网河北省电力有限公司电力科学研究院 | System for heating smoke by cooling air of slag drying machine and method for eliminating smoke plume |
| CN111610044A (en) * | 2020-04-27 | 2020-09-01 | 国网河北省电力有限公司电力科学研究院 | Method for measuring, evaluating and calculating cooling air volume of dry-type slag extractor |
| CN113154418A (en) * | 2021-06-08 | 2021-07-23 | 青岛海洲电力设备有限公司 | Implementation scheme for transforming wet slag dragging system into dry slag discharging system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104132355A (en) | Dry-type deslagging system capable of adjusting cooling air | |
| CN102679726B (en) | Natural gas heating furnace and smoke exhaust system thereof | |
| CN101706197A (en) | Oxygen-free surface water drying system and surface water drying technology for material | |
| CN201519744U (en) | Automatic kiln type natural gas roasting mould oven | |
| CN205066483U (en) | Combustion -supporting heat energy -saving device that adds of kiln | |
| CN201772762U (en) | Energy saving cooling system for a roller kiln tail | |
| CN202018185U (en) | Combined air furnace system | |
| CN103471366A (en) | Energy-saving and environmentally-friendly air source biomass drying system | |
| CN203518513U (en) | Multi-channel heat supply drying system | |
| CN206695529U (en) | Low temperature agricultural byproducts drying machine | |
| CN203343349U (en) | Energy-saving and environment-friendly forging heating furnace | |
| CN201751402U (en) | Residual-heat utilization device of float glass annealing kiln | |
| CN102353693B (en) | Experimental installation for drying characteristic of upgrading low rank coal | |
| CN104501567A (en) | Electrothermal hot air drying furnace | |
| CN203518574U (en) | Roasting furnace allowing heat to be used continuously at multiple stages for roasting gold concentrate | |
| CN203671905U (en) | Double-blower double-control wind-type air introduction vertical-type coal hot air furnace | |
| CN205373382U (en) | Novel stoving annealing equipment structure | |
| CN205641523U (en) | Hot blast stove | |
| CN105588137A (en) | Heat pipe waste heat recovery device | |
| CN203848278U (en) | Air inlet system for boiler of air cooling unit | |
| WO2017080374A1 (en) | Drying stove | |
| CN204191494U (en) | Utilize the skin of soya-bean milk drying shed of adopting boiler chimney waste-heat | |
| CN203824081U (en) | Hot water and hot air integrated furnace | |
| CN203789025U (en) | Grain drying tower | |
| CN202265499U (en) | Armorplate glass heating furnace with air vent valves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141105 |