CN205807398U - A kind of reclaim CFB Slag high-temperature residual heat the system for heat accumulation - Google Patents

A kind of reclaim CFB Slag high-temperature residual heat the system for heat accumulation Download PDF

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Publication number
CN205807398U
CN205807398U CN201620508041.6U CN201620508041U CN205807398U CN 205807398 U CN205807398 U CN 205807398U CN 201620508041 U CN201620508041 U CN 201620508041U CN 205807398 U CN205807398 U CN 205807398U
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fused salt
salt
heat
temperature
slag cooler
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刘泰生
奚正稳
肖欣悦
李维成
金姗
孙登科
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Dongfang Boiler Group Co Ltd
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Dongfang Boiler Group Co Ltd
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Abstract

The utility model discloses and a kind of reclaim CFB Slag high-temperature residual heat the system for heat accumulation, belong to CFBB field, including CFBB, also include low-temperature molten salt storage tank, low-temperature molten salt pump, high-temperature melting salt pump, fused salt roller slag cooler, salt storage tank and heat utilization device, fused salt roller slag cooler carries out heat exchange cooling for the bottom ash discharged boiler hearth of circulating fluidized bed for cooling working medium with fused salt, the deslagging entrance of each fused salt roller slag cooler connects with boiler hearth of circulating fluidized bed slag-drip opening, low-temperature molten salt storage tank, low-temperature molten salt pump, fused salt roller slag cooler, salt storage tank, pass sequentially through molten salt pipeline between high-temperature melting salt pump with heat utilization device and connect composition fused salt circulation.CFB boiler bottom ash high-temperature residual heat of the present utility model can be recovered efficiently utilization.Increasing fused salt heat reservoir, the user for different demands provides hot water, steam or electric power etc. simultaneously, can reach the purpose expanding customer group, increasing economic well-being of workers and staff.

Description

A kind of reclaim CFB Slag high-temperature residual heat the system for heat accumulation
Technical field
This utility model belongs to CFBB field, particularly relates to the recovery of CFB Slag high-temperature residual heat.
Background technology
The advantage that CFBB has fuel tolerance desulfuration in furnace wide, efficient, NOx raw emissions is low, at electric power and A lot of industrial circles are widely used.CFB boiler deslagging temperature is up to more than 850 DEG C, and the loss of the physical thermal of deslagging To affect boiler efficiency more than 1%.CFB boiler commonly used water-cooled roller slag cooler at present, utilizes water to cooling down high-temperature ash Slag.Therefore although CFB boiler deslagging contains substantial amounts of heat of high temperature, this heat the most simply becomes the low-grade of cooling water Heat, heat does not obtains effective recycling.
Utility model content
The purpose of this utility model is: for the problems referred to above, the utility model proposes a kind of with fused salt for heat-transfer working medium recovery CFB boiler bottom ash high-temperature residual heat the system for heat accumulation, CFB boiler bottom ash high-temperature residual heat can be recovered efficiently utilization.With Shi Zengjia fused salt heat reservoir, the user for different demands provides hot water, steam or electric power etc., can reach expansion customer group, Increase the purpose of economic well-being of workers and staff.
This utility model purpose is realized by following technical proposals:
A kind of reclaim CFB Slag high-temperature residual heat the system for heat accumulation, including CFBB, also wrap Include low-temperature molten salt storage tank, low-temperature molten salt pump, high-temperature melting salt pump, fused salt roller slag cooler, salt storage tank and Btu utilization Device, fused salt roller slag cooler carries out heat exchange for the bottom ash discharged boiler hearth of circulating fluidized bed for cooling working medium with fused salt Cooling, the deslagging entrance of each fused salt roller slag cooler connects with boiler hearth of circulating fluidized bed slag-drip opening, low-temperature molten salt storage tank, Pass sequentially through molten between low-temperature molten salt pump, fused salt roller slag cooler, salt storage tank, high-temperature melting salt pump and heat utilization device Salt pipeline connection constitutes fused salt circulation.
As selection, heat utilization device is fused salt feed-water heater.
As selection, heat utilization device includes fused salt feed-water heater, fused salt steam superheater and the fused salt steam being sequentially communicated Generator, low-temperature molten salt storage tank, low-temperature molten salt pump, fused salt roller slag cooler, salt storage tank, high-temperature melting salt pump, molten Salt steam superheater, fused salt steam generator connect composition fused salt circulation with passing sequentially through molten salt pipeline between fused salt feed-water heater, Fused salt feed-water heater, fused salt steam generator with also pass sequentially through between fused salt steam superheater supply line connect composition water add Pipe line, and it is provided with hot water external supplying pipe road and steam external supplying pipe road.As selection, also include Steam Turbine and generating set, Steam external supplying pipe road connects with Steam Turbine.
As selection, fused salt roller slag cooler is at least one, is arranged in parallel between multiple fused salt roller slag coolers.
As selection, also include at least one water cooling roller slag cooler, for fused salt roller slag cooler being arranged with water for cooling working medium The bottom ash gone out carries out heat exchange cooling, the most respective row with each fused salt roller slag cooler of the deslagging entrance of each water cooling roller slag cooler Slag outlet.
As selection, the cylinder barrel of fused salt roller slag cooler is formed by some heat exchanger tube coiled coils, is connected by band steel between pipe, Form membrane wall barrel;At drums inside, by inner wall of rotary drum, radially arrange some heat exchanger tubes, form membrane wall Tube panel, and membrane panel along cylinder axially inner wall of rotary drum coiled coil formed conduit.
As selection, fused salt is Molten Binary Salts, ternary molten salt, nitrate or carbonate.
Aforementioned this utility model main formula case and each further selection scheme thereof can be this reality with independent assortment to form multiple schemes Use and claimed scheme with novel;And this utility model, select between (each non conflicting selection) selects and with other Can be in any combination between selecting.Those skilled in the art are understanding after this utility model scheme according to prior art and common knowledge Can understand there is multiple combination, be the claimed technical scheme of this utility model, do not do at this exhaustive.
Work process is: fused salt operating temperature range is generally at 260 DEG C-600 DEG C, and its stable in properties, can work at ambient pressure. When system is run, CFB boiler deslagging is introduced into fused salt roller slag cooler, fused salt absorb a part of high temperature bottom slag heat, heats up After temperature of molten salt can reach about 560 DEG C.The high-temperature ash discharged from burner hearth enters the fused salt cylinder with fused salt as cooling medium Slag cooler, enter after being cooled down by fused salt in fused salt roller slag cooler rear end water cooling roller slag cooler continue to be cooled to 150 DEG C with Lower discharge.After fused salt heat absorption, temperature raises, and then enters salt storage tank and is got up by heat storage;Needs provide hot water, When high-temperature steam or heat supply generating, high-temperature molten salt is extracted out from high temperature melting salt cellar by high-temperature melting salt pump, through fused salt feed-water heater Heating feedwater provides a user with hot water;Or sequentially enter fused salt steam superheater, fused salt steam generator and fused salt feedwater heating Device and steam and water heat exchange, produce the high-temperature steam meeting customer parameter demand;Maybe the high-temperature steam of generation is sent into steamer to send out Group of motors acting generating, provides the user electric power.After transferring heat to working medium, temperature of molten salt declines again, then returns to Low-temperature molten salt storage tank, then the circulation in fused salt loop is completed by low-temperature molten salt pumped entrance fused salt roller slag cooler.In this patent Low-temperature molten salt storage tank, salt storage tank, low-temperature molten salt pump, high temperature described in high-temperature melting salt pump, low temperature be the most general Read, do not have absolute sense.
On the other hand, some enterprises or company are furnished with small-sized personal power plant to meet the demand of station service, but these personal power plant are normal Chang Yinwei fume emission grade the most up to standard is ordered stoppage in transit rectification, and now enterprise need to add the warp of this kind of enterprise to electrical network power purchase Ji expenditure.It addition, some industrial undertakings need to use high-temperature steam to carry out production activity etc.;Some power plant, factory or resident District is also required to heating.The acquisition of these steam or heat generally requires extra system supply or to electrical network power purchase by electricity The mode of power realizes, and adds the economic investment that this kind of user is extra.
Using this system can be effectively by the waste heat of existing coal-burning power plant, the waste heat such as CFB boiler high temperature bottom slag stores, and uses In to above-mentioned customer power supply, steam supply or heat supply, then can reach efficient recovery heat, expand customer group simultaneously, increase economy The purpose of benefit.
The beneficial effects of the utility model: use this to design, can be same with the high-temperature residual heat of effective recycling CFB boiler bottom ash Time, utilize fused salt to absorb bottom ash waste heat, and heat stored, when needed the user for different demands provide hot water, Steam or electric power etc., can reach the purpose expanding customer group, increasing economic well-being of workers and staff.
Accompanying drawing explanation
Fig. 1 is the device schematic flow sheet of this utility model embodiment 1;
Fig. 2 is the device schematic flow sheet of this utility model embodiment 2;
Wherein 1-boiler body, 2-fused salt roller slag cooler, 3-water cooling roller slag cooler, 4-low-temperature molten salt pump, 5-high temperature melting Salt pump, 6-low-temperature molten salt storage tank, 7-salt storage tank, 8-fused salt steam superheater, 9-fused salt steam generator, 10-melts Salt feed-water heater, 11-Steam Turbine, 12-generating set.
Fig. 3 is the facade structures schematic diagram of this utility model embodiment 3;
Fig. 4 is the cross-sectional configuration schematic diagram of this utility model embodiment 3;
Wherein 1-swivel joint, 2-end cap, 3-dust cover and slag notch, 4-annular header, 5-connection member, 6-slag input fills Put, 7-base, end bearing after 8-, 9-sprocket wheel, 10-reductor, 11-motor, end bearing before 12-, 13-barrel spiral Coiling heat exchanger tube, 14-inner core membrane wall little tube panel heat exchanger tube, 15-longitudinal baffle, 16-support ring, 17-barrel coiled coil Heat exchanger tube band steel, 18-inner core membrane wall little tube panel band steel.
Detailed description of the invention
Following non-limiting examples is used for this utility model is described.
Embodiment 1:
With reference to shown in Fig. 1, in figure, multistage dotted line represents lime-ash flow process, and solid line represents that fused salt flow process, dot-dash dotted line represent water/steaming Steam flow journey.Fused salt is Molten Binary Salts, ternary molten salt, nitrate or carbonate etc..A kind of recovery CFB Slag High-temperature residual heat for the system of heat accumulation, including CFBB, also include low-temperature molten salt storage tank 6, low-temperature molten salt pump 4, High-temperature melting salt pump 5, fused salt roller slag cooler 2, salt storage tank 7, fused salt feed-water heater 10, fused salt steam superheater 8 and fused salt steam generator 9, fused salt roller slag cooler 2 for fused salt for cooling working medium to CFBB boiler this The bottom ash that body 1 burner hearth is discharged carries out heat exchange cooling, the deslagging entrance of each fused salt roller slag cooler 2 and CFBB pot Furnace body burner hearth slag-drip opening connects, and low-temperature molten salt storage tank 6, low-temperature molten salt pump 4, fused salt roller slag cooler 2, high-temperature molten salt store up Lead to successively between tank 7, high-temperature melting salt pump 5, fused salt steam superheater 8, fused salt steam generator 9 and fused salt feed-water heater 10 Cross fused salt pipeline connection and constitute fused salt circulation, fused salt feed-water heater 10, fused salt steam generator 9 and fused salt steam superheater Also pass sequentially through supply line connection composition water between 8 and add pipe line, and be provided with hot water external supplying pipe road and steam external supplying pipe road.As Select, as shown in this embodiment, also include Steam Turbine 11 and generating set 12, steam external supplying pipe road and Steam Turbine 11 Connection.The cylinder barrel of fused salt roller slag cooler 2 is formed by some heat exchanger tube coiled coils, is connected by band steel between pipe, is formed Membrane wall barrel;At drums inside, by inner wall of rotary drum, radially arrange some heat exchanger tubes, form membrane panel, And membrane panel axially forms conduit at inner wall of rotary drum coiled coil along cylinder.
Before startup, in electrically heated mode fused salt melted in low-temperature molten salt storage tank 5 and be heated to above operating temperature, Make its temperature have certain nargin, to avoid it to solidify after entering fused salt roller slag cooler 2, it also avoid fused salt simultaneously The heating of roller slag cooler 2 itself, it is not necessary to heating wire etc. is set, simplifies fused salt roller slag cooler 2 structure, also make equipment Maintenance more easily operate.
After equipment is stopped transport, for accumulating the fused salt in fused salt roller slag cooler 2 cylinder bottom, pressure air or steam can be used to blow The mode swept empties.
Embodiment 2:
With reference to shown in Fig. 2, in Fig. 2, multistage dotted line represents lime-ash flow process, solid line represent fused salt flow process, dot-dash dotted line represent water/ Steam flow, pecked line represents cooling water flow path.The present embodiment is substantially the same manner as Example 1, and its difference is: also include At least one water cooling roller slag cooler 3, carries out heat exchange for the bottom ash discharged fused salt roller slag cooler 2 for cooling working medium with water Cooling, the most respective deslagging outlet with each fused salt roller slag cooler 2 of the deslagging entrance of each water cooling roller slag cooler 3.
Specifically: a kind of with fused salt for heat-transfer working medium recovery CFB boiler bottom ash high-temperature residual heat the electricity generation system for heat accumulation. This system is by CFB boiler body 1, fused salt roller slag cooler 2, water cooling roller slag cooler 3, low-temperature molten salt pump 4, high temperature melting The feedwater of salt pump 5, low-temperature molten salt tank 6, high temperature melting salt cellar 7, fused salt steam superheater 8, fused salt steam generator 9, fused salt adds Hot device 10, Steam Turbine 11 and generating set 12 form.The high-temperature ash (860 DEG C) discharged from burner hearth 1 is divided into four parts, Respectively enter four fused salt roller slag coolers 2, after being cooled down 400 DEG C by fused salt in slag cooler, enter rear end water cooling roller slag cooler 3 continue to be cooled to less than 150 DEG C discharges (can as little as 90 DEG C, water correspondence is warming up to 70 DEG C from 30 DEG C).Every cold slag of fused salt Fused salt inlet temperature in device 2 290 DEG C, 0.1MPa;After fused salt heat absorption, temperature raises (to 560 DEG C), four cold slags of fused salt Fused salt in device 2 enters salt storage tank 7 by heat storage after collecting;Needs provide hot water, high-temperature steam or During heat supply generating, high-temperature molten salt is extracted out from high temperature melting salt cellar 7 by high-temperature melting salt pump 5, is heated through fused salt feed-water heater 10 Feedwater provides a user with hot water;Or sequentially enter fused salt steam superheater 8, fused salt steam generator 9 and fused salt feed-water heater 10 meet the high-temperature steam of customer parameter demand with steam and water heat exchange, generation;Maybe by the high-temperature steam of the nominal parameter of generation Send into Steam Turbine 11 to do work, generating set 12 generate electricity, provide the user electric power.After transferring heat to working medium, molten Salt temperature declines again, then returns to low-temperature molten salt storage tank 6, then is extracted out entrance fused salt roller slag cooler 2 by low-temperature molten salt pump 4 Complete the circulation in fused salt loop.
Utilize this system can effectively utilize CFB boiler high temperature bottom slag waste heat, and heat is stored, be not when needed There is provided hot water, steam or electric power etc. with the user of demand, can reach the purpose expanding customer group, increasing economic well-being of workers and staff.
Embodiment 3:
With reference to Fig. 3, shown in 4, the preferred fused salt roller slag cooler of previous embodiment 1,2, including drive mechanism, and passes through Drive mechanism drives the cylinder rotated around central shaft, also includes the supporting mechanism supporting cylinder.Cylinder barrel is by some heat exchanger tubes (barrel coiled coil heat exchanger tube 13) is closely coiled to form along cylinder axial screw, and between pipe, by band steel, (barrel coiled coil changes Heat pipe band steel 17) connect, form membrane wall barrel;At drums inside, radially arrange some by inner wall of rotary drum Heat exchanger tube (inner core membrane wall little tube panel heat exchanger tube 14), is connected by band steel (inner core membrane wall little tube panel band steel 18) between pipe, Form membrane panel, and membrane panel axially forms conduit at inner wall of rotary drum coiled coil along cylinder;Cylinder import and going out Mouth is respectively arranged with an annular header 4, with heat exchanger tube (barrel coiled coil heat exchanger tube 13) and the membrane panel of membrane wall barrel Heat exchanger tube (inner core membrane wall little tube panel heat exchanger tube 14) connect.
As selection, as shown in this embodiment, in cylinder between adjacent two pitches of the spiral channel that membrane panel is formed, Circumferentially spaced on inner wall of rotary drum arranging some longitudinal baffles 15, longitudinal baffle 15 axially and radially prolongs along cylinder simultaneously Stretch, and also towards peripheral, oblique while court radially extends, incline direction is contrary with cylinder direction of rotation (sees Fig. 2, longitudinally Baffle plate 15 circumferentially counterclockwise tilts, and cylinder is rotated clockwise).
As selection, cylinder one end open is slag input end, and other end opening is slag output end, and the slag input end of cylinder is provided with slag feeding device 6, the slag output end of cylinder is provided with dust cover and slag notch 3.
As selection, drive mechanism includes the sprocket wheel 9 of wound drum stack shell, and electronic around central shaft rotation of band movable sprocket 9 Machine 11 and reductor 10 thereof.
As selection, supporting mechanism includes base 7, front end bearing 12, rear end bearing 8 and bracing ring 16, and front and back ends props up Holding 12,8 and be respectively arranged on base 7 and be positioned at cylinder front and rear portions, bracing ring 16 wound drum stack shell also supports fixing respectively In front and back ends supporting 12,8.
As selection, the two ends of cylinder further respectively have swivel joint 1.
Specifically, as example, a kind of roller slag cooler structure with fused salt as cooling medium, critical piece includes: 1- Swivel joint, 2-end cap, 3-dust cover and slag notch, 4-annular header, 5-connection member, 6-slag feeding device, 7-base, End bearing after 8-, 9-sprocket wheel, 10-reductor, 11-electromotor, end bearing after 12-, 13-barrel coiled coil heat exchanger tube, 14-inner core membrane wall little tube panel heat exchanger tube, 15-longitudinal baffle, 16-support ring, 17-barrel coiled coil heat exchanger tube band steel, 18-inner core membrane wall little tube panel band steel.
Cylinder wall is formed by many heat exchanger tubes (barrel coiled coil heat exchanger tube 13) coiled coil, with band steel (cylinder between adjacent tubes Wall coiled coil heat exchanger tube band steel 17) connect;If pipe number is more, then can be grouped in cylinder import, be evenly distributed on rolling Cylinder import circumference on, then carry out compact disc around.
Drums inside, starts to arrange many heat exchanger tubes (inner core membrane wall little tube panel heat exchanger tube along cylinder radial direction from inner tube wall 14), being connected by band steel (inner core membrane wall little tube panel band steel 18) between pipe, form the little tube panel of membrane wall, little tube panel is along drum shaft Conduit is become at cylinder spiral inner wall winding escalator, the path on the one hand pushed forward as lime-ash, on the one hand increase internal heating surface, Improve slag cooler exchange capability of heat;In this programme, the specification of each heat exchanger tube of the little tube panel of spiral membrane wall is identical.
In slag cooler, all heat exchanger tube transfer working medium in heat are high-temperature molten salt.
Cylinder entrance point and the port of export are respectively provided with a swivel joint 1.
Cylinder inlet and outlet is respectively arranged with an annular header 4, with barrel coiled coil heat exchanger tube 13 and the little tube panel of inner core membrane wall Heat exchanger tube 14 connects.
This patent uses coil membrane wall, to reduce the parallel transistor daughter root number of fused salt circulation, thus reduces flow area Long-pending, it is ensured that fused salt flow velocity.
On the other hand, this patent inner barrel arranges the little tube panel of membrane wall, and working medium uses fused salt, and heat transfer temperature difference reduces, and is not increasing Under conditions of big equipment volume, it is internally formed more heating surface at roller slag cooler, to ensure enough heat exchange amounts.
Additionally, the spiral channel that little tube panel is formed can also become the lime-ash path along cylinder axially-movable, play promotion lime-ash and exist The effect transported in cylinder.
Arrange some longitudinal baffles 15 between adjacent two pitches of cylinder internal coiling conduit, play reinforcement bottom ash disturbance, strengthening The effect of heat transfer.
Concrete, to a 600MWCFB boiler, bed drain purge 114.3t/h, every fused salt heat exchanging device is exerted oneself 30t/h.Through design Calculate, use typical Molten Binary Salts (60%NaNO3+ 40%KNO3), fused salt roller slag cooler cylinder external diameter 2.22m, import is arrived Exporting long 9.4m, heat exchanger tube specification is 38 × 4mm.Inner core helical tube panel heat exchanger tube radical 7, band steel width 8mm between pipe, Thick 6mm, tube panel height 332mm, screw pitch 20mm, the spiral number of turns 47 is enclosed.Cylinder outer wall coil pipe radical 4, pipe Between band steel width 8mm, thick 10mm, the single heat exchange tube coiling number of turns 51 is enclosed.Fused salt flowing drag overall 0.57MPa in slag cooler, Flow rate of molten salt 13.688kg/s, fused salt flow velocity 1m/s in pipe.Slag cooler total heat conduction area 293.20m2.It is computed, if this is cold Slag device accesses design system heating hot blast, can save coal consumption about 15600t every year, can save coal-fired investment about 4,700,000 yuan.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all new in this practicality Any amendment, equivalent and the improvement etc. made within the spirit of type and principle, should be included in protection of the present utility model Within the scope of.

Claims (7)

1. reclaim CFB Slag high-temperature residual heat the system for heat accumulation, including CFBB, its feature Be: also include low-temperature molten salt storage tank, low-temperature molten salt pump, high-temperature melting salt pump, fused salt roller slag cooler, salt storage tank and Heat utilization device, fused salt roller slag cooler enters for the bottom ash discharged boiler hearth of circulating fluidized bed for cooling working medium with fused salt Row heat exchange is lowered the temperature, and the deslagging entrance of each fused salt roller slag cooler connects with boiler hearth of circulating fluidized bed slag-drip opening, and low-temperature molten salt stores up Pass sequentially through between tank, low-temperature molten salt pump, fused salt roller slag cooler, salt storage tank, high-temperature melting salt pump and heat utilization device Molten salt pipeline connection constitutes fused salt circulation.
2. the system reclaiming CFB Slag high-temperature residual heat and being used for heat accumulation as claimed in claim 1, it is characterised in that: Heat utilization device is fused salt feed-water heater.
3. the system reclaiming CFB Slag high-temperature residual heat and being used for heat accumulation as claimed in claim 1, it is characterised in that: Heat utilization device includes fused salt feed-water heater, fused salt steam superheater and the fused salt steam generator being sequentially communicated, and low temperature melts Salt storage tank, low-temperature molten salt pump, fused salt roller slag cooler, salt storage tank, high-temperature melting salt pump, fused salt steam superheater, molten Pass sequentially through between salt steam generator with fused salt feed-water heater molten salt pipeline connect composition fused salt circulation, fused salt feed-water heater, Also pass sequentially through supply line between fused salt steam generator with fused salt steam superheater to connect composition water and add pipe line, and be provided with hot water External supplying pipe road and steam external supplying pipe road.
4. the system reclaiming CFB Slag high-temperature residual heat and being used for heat accumulation as claimed in claim 3, it is characterised in that: Also include that Steam Turbine and generating set, steam external supplying pipe road connect with Steam Turbine.
5. the system reclaiming CFB Slag high-temperature residual heat and being used for heat accumulation as claimed in claim 1, it is characterised in that: Fused salt roller slag cooler is at least one, is arranged in parallel between multiple fused salt roller slag coolers.
6. the system reclaiming CFB Slag high-temperature residual heat and being used for heat accumulation as claimed in claim 5, it is characterised in that: Also include at least one water cooling roller slag cooler, change for the bottom ash for cooling working medium, fused salt roller slag cooler discharged with water Heat drop temperature, the most respective deslagging outlet with each fused salt roller slag cooler of the deslagging entrance of each water cooling roller slag cooler.
7. the system reclaiming CFB Slag high-temperature residual heat and being used for heat accumulation as claimed in claim 1, it is characterised in that: The cylinder barrel of fused salt roller slag cooler is formed by some heat exchanger tube coiled coils, is connected by band steel between pipe, forms membrane wall barrel; At drums inside, by inner wall of rotary drum, radially arrange some heat exchanger tubes, form membrane panel, and membrane panel Axially conduit is formed at inner wall of rotary drum coiled coil along cylinder.
CN201620508041.6U 2016-05-30 2016-05-30 A kind of reclaim CFB Slag high-temperature residual heat the system for heat accumulation Active CN205807398U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402853A (en) * 2016-05-30 2017-02-15 东方电气集团东方锅炉股份有限公司 System for recovering high-temperature waste heat of bottom slag of circulating fluidized bed (CFB) boiler and storing heat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402853A (en) * 2016-05-30 2017-02-15 东方电气集团东方锅炉股份有限公司 System for recovering high-temperature waste heat of bottom slag of circulating fluidized bed (CFB) boiler and storing heat
CN106402853B (en) * 2016-05-30 2019-05-21 东方电气集团东方锅炉股份有限公司 A kind of recycling CFB Slag high-temperature residual heat and the system for heat accumulation

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