CN201106857Y - Drum-type boiler cold slag machine - Google Patents
Drum-type boiler cold slag machine Download PDFInfo
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- CN201106857Y CN201106857Y CNU2007200798515U CN200720079851U CN201106857Y CN 201106857 Y CN201106857 Y CN 201106857Y CN U2007200798515 U CNU2007200798515 U CN U2007200798515U CN 200720079851 U CN200720079851 U CN 200720079851U CN 201106857 Y CN201106857 Y CN 201106857Y
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Abstract
The utility model relates to a roller-type slag cooler for boilers, which comprises a roller (8) arranged on a stander (17) and driven by a transmission device (12). A slag inlet pipe (1) is arranged on the top of the roller (8). A water-cooling cavity (18) is enclosed by an upper tube plate (6), a middle tube plate (9) and the wall of the roller (8). A plurality of heat interchange tubes (7) are arranged between the upper tube plate (6) and a lower tube plate (15). The slag cooler of the utility model is characterized in that even pieces of clapboards (19) are arranged in the water-cooling cavity (18). The bottom of every piece of clapboard is fixed in the middle tube plate (9); and two sides of every piece of clapboard are respectively fixed on the wall of the roller (8) and a central water distributer (10); so that two adjacent pieces of clapboards, the wall of the roller (8) and the wall of the central water distributor can divide the water-cooling cavity (18) into even numbers of separated water-cooling rooms, and the tops of water-cooling rooms are communicated with each other. In two adjacent separated water-cooling rooms, one water-cooling room is communicated with a water-inlet hole (23) arranged on the central water distributor (10), and the other water-cooling room is communicated with a water-return jacket (16) through a water-return hole (24) arranged on the middle tube plate (9).
Description
One, technical field
The utility model relates to a kind of boiler slag removal cooling device, the cold slag device of especially a kind of CFBB high temperature furnace slag heat recovery.
Two, background technology
In recent years, CFBB, environmental protection efficient because of it and coal adaptability are well extensively promoted and are used in China.Equipment and technology is still immature but the cold slag supporting with it slagged tap, the hot deslagging problem of ubiquity.Artificial deslagging not only exists potential safety hazard, environmental pollution, influences the boiler combustion performance, and causes a large amount of waste heat wastes.At present,, advocate comprehensive utilization of energy by national Eleventh Five-Year Plan, along with the low bastard coal masonry boiler oil of calorific capacity, Industrial Boiler, regional heating boiler large scale development, the boiler slag removal amount increases, and the heat loss due to sensible heat in slag increases.For addressing the above problem, developed multi-form cold slag equipment both at home and abroad, roughly be divided into air-cooled and water-cooled two parts, but the shortcoming of most of products all is that practicality is poor, cold slag effect is undesirable.Relatively more typical in inside spin formula barrel slag cooler, its adopts the pusher structure of inside spin, but its deslagging temperature height, wearing and tearing produce leaking and mechanical accident of water-cooling jacket greatly and easily, is difficult to realize the exert oneself requirement of maximization of product; The cold slag machine of wind and water combined formula, even the external matured product of introducing (is representative with the FW technical products) can not the domestic slag of fine adaptation (particle diameter is too big) present situation, operation such as secondary coking in the cold slag machine of the easy generation that comes out, obstruction and maintenance problem are comparatively serious.Simultaneously, most of cold slag machine is because the coefficient of heat transfer is little, and equipment volume is big and cost performance is difficult to optimize.
CN233741 provides a kind of boiler slag-cooling machine.This machine is made up of stator and rotor two parts, and stationary part is a double-decker, is provided with the water conservancy diversion heat exchanging fin in the interlayer, and quiet outer the putting of stator is provided with slag inlet, slag notch and water inlet pipe.Rotor portion is provided with the auger of band helical blade, and the auger inner chamber is provided with fin, and auger is rotated by motor drives, and an end is equipped with swivel joint.This boiler slag-cooling machine is used on CFBB and the boiling boiler; 850-1000 ℃ high temperature sludge (ash) can be cooled to below 200 ℃, reclaim heat energy, not only can improve safe working condition more than 85%; the protection environment also can be realized the mechanization that removes the gred simultaneously.
CN2369084 relates to a kind of fluidized bed boiler slag-cooling machine, be connected with rotating cylinder by the slag input case, fixing the cool cycles water channel in the rotating cylinder, rotating cylinder one end is supported on the bearing block, the other end is bearing on the support roller, in the rotating cylinder rotating shaft drive unit is installed, described circulation water channel is two, article two, the circulation water channel has identical water inlet pipe and outlet pipe, the interlaced friendship of circulation water channel that is positioned at rotating cylinder is shape in the shape of a spiral, water inlet pipe and outlet pipe integral body synthesize cylindrical tube, by the heat insulation layer sealed separation, on the rotating cylinder madial wall, fixing the polylith limited slip block in the middle of its cylindrical tube cross section.The utlity model has cooling effectiveness height, little, the easy installation of wearing and tearing, characteristics that easy to operate, working life is long, can effectively protect environment, save the energy to coal-fired rich anies influential family such as thermal power plants as auxiliary facility.
Three, summary of the invention
The cooling effect that existing boiler slag-cooling machine exists is poor in order to overcome, operation and maintenance cost height, the high deficiency of product cost, and the utility model provides a kind of drum-type boiler slag-cooling machine.
Basic ideas of the present utility model are: this boiler slag-cooling machine adopts multitube to cool off, and water, slag are divided into a plurality of autonomous channels, and per two passages return continuous formation of water leg by front end and connect, thereby prolongs cooling water flow path, raising heat exchange efficiency; Slag evenly enters the cold slag channel for heat exchange of the circle of contact shape pipe of being made up of blade respectively by uniform board, and slag rotates to shed with the tube wall hand-deliver in heat exchanger tube replaces heat, forms stable thermograde.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of drum-type boiler slag-cooling machine, comprise be loaded on the frame and by the cylinder of actuator drives, slag feed pipe is equipped with at the cylinder top, slag feed pipe is communicated with the airtight water-cooled slag feeding chamber that is located in the cylinder, in water-cooled slag feeding chamber, also be provided with uniform board, the base plate of water-cooled slag feeding chamber is a upper perforated plate, and the effect of uniform board is to make slag evenly enter every heat exchanger tube;
Be provided with the middle tube sheet that is fixed in the cylinder barrel below upper perforated plate, upper perforated plate, middle tube sheet and cylinder barrel surround waterway;
Be provided with the lower perforated plate that is fixed in the cylinder barrel below middle tube sheet, middle tube sheet, lower perforated plate and cylinder barrel surround the backwater chuck;
Below lower perforated plate, be provided with slag removing chamber;
Many heat exchanger tubes are housed between upper perforated plate and lower perforated plate, and every heat exchanger tube all passes middle tube sheet, and heat exchanger tube one end is communicated with water-cooled slag feeding chamber, and the other end is communicated with slag removing chamber;
In centre of the drum the center water distributor that water clamp (being that the bottom is a bilayer sleeve) taken back in the bottom is housed, water distributor lower end, center is connected in the swivel joint that is positioned at cylinder bottom, and water distributor top, center is communicated with waterway by the inlet opening on the water distributor of center;
Have the backwater hole that is communicated with backwater chuck and waterway on middle tube sheet, the water inlet of backwater clamp is communicated with the backwater chuck, and the delivery port of backwater clamp is connected in the swivel joint of cylinder bottom;
It is characterized in that:
In waterway, be provided with the even numbered blocks dividing plate, every dividing plate bottom is fixed on the middle tube sheet, dual-side is individually fixed on cylinder barrel and the center water distributor, make adjacent two dividing plates, cylinder barrel and center water distributor tube wall that waterway is separated into independently water cooling chamber of even number, and the top of each water cooling chamber is interconnected, and the water cooling chamber generally is advisable at 4-8;
At adjacent two independently in the water cooling chamber, one of them water cooling chamber is communicated with inlet opening on the water distributor of center, and another water cooling chamber is communicated with the backwater chuck by the backwater hole on the middle tube sheet.
Further scheme is: also be provided with at the cylinder top and return water leg, each water cooling chamber with return water leg and be communicated with, water-cooled slag feeding chamber is returning between water leg and the waterway, slag feed pipe is communicated with water-cooled slag feeding chamber after passing and returning water leg.Certainly, also can not return water leg, the top of water cooling chamber is interconnected but establish opening or perforate at the dividing plate top.But this returns being provided with of water leg water-cooled slag feeding chamber is enclosed between the cooling water, prolongs cooling water flow path simultaneously, further strengthen cooling effect.
Further scheme is: heat exchanger tube is the polygon pipe, is fixed with circle of contact shape blade on the heat exchanger tube inwall.Heat exchanger tube also can be a round tube, but polygon Guan Gengneng increases the indwelling time of slag in heat exchanger tube.The polygon pipe is advisable with hexagonal tube or octagonal tube.Circle of contact shape blade is that the blade on the same plane is tangential on an imaginary common circle, and this design class is similar to circle of contact shape design commonly used in the coal burner.
Said fixed form generally is meant welding in the utility model.
Characteristics of the present utility model are: 1) heat exchanger tube is divided into independently a plurality of groups, per two groups is a unit, realizes the uniformity of water distribution, makes cold slag machine form the even temperature field, prolongs heat-exchange time, improves heat exchange efficiency; 2) slag side heat exchanger channels adopts polygonized structure, under the drive of circle of contact shape blade, ash, slag is taken to the highest position, thereby makes every group of heat exchanger channels be full of the lime-ash that rotation is shed, and strengthens stirring capacity; 3) the polygon heat exchanger channels adopts the 20# solid drawn tube can bear than imperial palace and presses the service life that the circle of contact shape blade of the interior welding of pipe can reduce the wearing and tearing of tube wall, improve complete machine; 4) the utility model is simple in structure, processes easy to implement.
Compared with prior art, advantage that the utlity model has and good effect: thermal efficiency height, 850-1000 ℃ high temperature sludge (ash) can be cooled to below 80 ℃, heat exchange area is big; The slag passage is inside and outside six or the octagonal steel pipe, and the water side clearance is even, and the outer water side of slag passage is divided into a plurality of passages simultaneously, can make current even, improves the flow velocity of water, and augmentation of heat transfer prevents cavitation erosion and oxidation damage body on the other hand on the one hand; Compact conformation, volume is little, is easy to processing, and cost is low;
Four, description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the I--I sectional schematic diagram of Fig. 1.
Fig. 3 is the II--II sectional schematic diagram of Fig. 1.
Among the figure: 1, slag feed pipe, 2, slag input sealing, 3, return water leg, 4, water-cooled slag feeding chamber, 5, corrugated bulkhead, 6, upper perforated plate, 7, heat exchanger tube, 8, cylinder, 9, middle tube sheet, 10, the center water distributor, 11, the backwater clamp, 12, transmission device, 13, swivel joint, 14, slag removing chamber, 15, lower perforated plate, 16, backwater chuck, 17, frame, 18, waterway, 19, dividing plate, 20, blade, 21, intake tunnel, 22, exhalant canal, 23, the inlet opening, 24, backwater hole.
Five, the specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, Fig. 2, Fig. 3, a kind of drum-type boiler slag-cooling machine, comprise and be loaded on cylinder 8 on the frame 17 and that drive by transmission device 12, slag feed pipe 1 is equipped with at cylinder 8 tops, slag feed pipe 1 is communicated with by the slag input sealing 2 airtight water-cooled slag feeding chamber 4 interior with being located at cylinder 8, also be provided with uniform board in water-cooled slag feeding chamber 4, the base plate of water-cooled slag feeding chamber 4 is a upper perforated plate 6;
Be provided with the middle tube sheet 9 that is welded in cylinder 8 barrels below upper perforated plate 6, upper perforated plate 6, middle tube sheet 9 and cylinder 8 barrels surround waterway 18;
Be provided with the lower perforated plate 15 that is welded in cylinder 8 barrels below middle tube sheet 9, middle tube sheet 9, lower perforated plate 15 and cylinder 8 barrels surround backwater chuck 16;
Below lower perforated plate 15, be provided with slag removing chamber 14;
Between upper perforated plate 6 and lower perforated plate 15, many heat exchanger tubes 7 are housed, tube sheet 9 during every heat exchanger tube 7 all passes, heat exchanger tube 7 one ends are communicated with water-cooled slag feeding chamber 4, and the other end is communicated with slag removing chamber 14;
At cylinder 8 centers the center water distributor 10 that water clamp 11 is taken back in the bottom is housed, water distributor 10 lower ends in center are connected in the swivel joint 13 that is positioned at cylinder 8 bottoms, and water distributor 10 tops in center are communicated with waterway 18 by the inlet opening 23 on the center water distributor 10;
Have the backwater hole 24 that is communicated with backwater chuck 16 and waterway 18 on middle tube sheet 9, the water inlet of backwater clamp 11 is communicated with backwater chuck 16, and the delivery port of backwater clamp 11 is connected in the swivel joint 13 of cylinder 8 bottoms;
In waterway 18, be provided with 6 dividing plates 19, every dividing plate 19 bottoms are fixed on the middle tube sheet 9, dual-side is welded in respectively on cylinder 8 barrels and the center water distributor 10, make adjacent two dividing plates 19, cylinder 8 barrels and center water distributor 10 tube walls that waterway 18 is separated into 6 independently water cooling chambers, also be provided with at cylinder 8 tops and return water leg 3, each water cooling chamber with return water leg 3 and be communicated with, water-cooled slag feeding chamber 4 is returning between water leg 3 and the waterway 18, and slag feed pipe 1 is communicated with water-cooled slag feeding chamber 4 after passing and returning water leg 3.
At adjacent two independently in the water cooling chamber, one of them water cooling chamber is communicated with inlet opening 23 on the center water distributor 10, and another water cooling chamber is communicated with backwater chuck 16 by the backwater hole 24 on the middle tube sheet 9.
Its operation principle is: drum-type boiler slag-cooling machine slag feed pipe 1 is connected with the boiler slag removal pipe, high temperature furnace slag enters water-cooled slag feeding chamber 4 by slag feed pipe, in water-cooled slag feeding chamber 4, lime-ash is sent into 6 limit shape heat exchanger tubes 7 of some by uniform board, blade 20 in the heat exchanger tube 7 adopts heat-resisting alloy steel, blade 20 and 6 limit shape heat exchanger tubes 7 adopt the full weld mode, become the circle of contact to arrange, increase heat exchanger tube 7 wearabilities and heat exchange efficiency, along with cylinder 8 rotations, lime-ash rotates in every group of heat exchanger tube 7 sheds propelling, realize the alternately heat exchange of slag and heat exchanger tube 7 tube walls, cooled slag enters slag removing chamber 14.Cooling water (boiler feedwater or recirculated water) enters swivel joint 13 by metal hose, enter center water distributor 10, have the water distributing pore of certain arrangement on the center water distributor 10, the moisturizing that requires according to cooling water inflow, whole waterway 18 is by dividing plate 19 and center water distributor 10, upper perforated plate 6, middle tube sheet 9, the barrel of cylinder 8 is separated and is formed six water cooling chambers, water inlet divides three the tunnel to enter three groups of water cooling chambers, the breathing joint formed by corrugated bulkhead 5 of cooling water enters and returns water leg 3 then, water is by returning the corresponding three groups of water cooling chambers in addition of turning back after water leg 3 is changed, prolong the heat-exchange time of slag and water, and the cold slag passage of formation and water cooling chamber is suitable, the adverse current enhanced heat exchange, last cooling water enters backwater chuck 16 by the backwater hole on the tube sheet 9 24 water after heating is sent into swivel joint 13 by backwater clamp 11, promptly advances, water outlet connects by the oral-lateral of slagging tap by swivel joint 13.
During work, high temperature furnace slag enters cold slag machine slag feed pipe 1 by the boiler slag removal pipe, enter water-cooled slag feeding chamber 4 from slag feed pipe 1, with cylinder 8 low speed rotation, slag enters heat exchanger tube 7, form the rotation of circle of contact shape at slag under the drive of heat exchanger tube 7 intra vanes 20 in 6 limit shape heat exchanger channels and shed 14 propellings to slag removing chamber, lime-ash rolls when flowing and the water of waterway 18 carries out heat exchange.Cooling water enters the water cooling chamber by center water distributor 10 adverse currents, intake tunnel 21 by water-cooled slag feeding chamber 4 sides enters and returns water leg 3 then, get back to corresponding water cooling chamber through baffling from exhalant canal 22, thereby realize suitable, countercurrent flow with lime-ash, get back to swivel joint 13 by backwater clamp 11 at last, enter UTILIZATION OF VESIDUAL HEAT IN equipment such as boiler.Heat exchanger channels adopts the 20# solid drawn tube, can bear big pressure, can replace the effect of steam turbine condensate water or softening moisturizing heater, and lime-ash " used heat " can convenient, effectively enter therrmodynamic system.
Claims (3)
1. drum-type boiler slag-cooling machine, comprise and be loaded on cylinder (8) on the frame (17) and that drive by transmission device (12), slag feed pipe (1) is equipped with at cylinder (8) top, slag feed pipe (1) the airtight water-cooled slag feeding chamber (4) interior with being located at cylinder (8) is communicated with, also be provided with uniform board in water-cooled slag feeding chamber (4), the base plate of water-cooled slag feeding chamber (4) is upper perforated plate (6);
Be provided with the middle tube sheet (9) that is fixed in cylinder (8) barrel below upper perforated plate (6), upper perforated plate (6), middle tube sheet (9) and cylinder (8) barrel surround waterway (18);
Be provided with the lower perforated plate (15) that is fixed in cylinder (8) barrel below middle tube sheet (9), middle tube sheet (9), lower perforated plate (15) and cylinder (8) barrel surround backwater chuck (16);
Below lower perforated plate (15), be provided with slag removing chamber (14);
Between upper perforated plate (6) and lower perforated plate (15) many heat exchanger tubes (7) are housed, every heat exchanger tube (7) all passes middle tube sheet (9), and heat exchanger tube (7) one ends are communicated with water-cooled slag feeding chamber (4), and the other end is communicated with slag removing chamber (14);
At cylinder (8) center the center water distributor (10) that water clamp (11) is taken back in the bottom is housed, center water distributor (10) lower end is connected in the swivel joint (13) that is positioned at cylinder (8) bottom, and center water distributor (10) top is communicated with waterway (18) by the inlet opening (23) on the center water distributor (10);
Have the backwater hole (24) that is communicated with backwater chuck (16) and waterway (18) on middle tube sheet (9), the water inlet of backwater clamp (11) is communicated with backwater chuck (16), and the delivery port of backwater clamp (11) is connected in the swivel joint (13) of cylinder (8) bottom;
It is characterized in that:
In waterway (18), be provided with even numbered blocks dividing plate (19), every dividing plate (19) bottom is fixed on the middle tube sheet (9), dual-side is individually fixed on cylinder (8) barrel and the center water distributor (10), make adjacent two dividing plates (19), cylinder (8) barrel and center water distributor (10) tube wall that waterway (18) is separated into independently water cooling chamber of even number, and the top of each water cooling chamber is interconnected;
At adjacent two independently in the water cooling chamber, one of them water cooling chamber is communicated with inlet opening (23) on the center water distributor (10), and another water cooling chamber is communicated with backwater chuck (16) by the backwater hole (24) on the middle tube sheet (9).
2. drum-type boiler slag-cooling machine according to claim 1, it is characterized in that: also be provided with at cylinder (8) top and return water leg (3), each water cooling chamber with return water leg (3) and be communicated with, water-cooled slag feeding chamber (4) is positioned at and returns between water leg (3) and the waterway (18), and slag feed pipe (1) is communicated with water-cooled slag feeding chamber (4) after passing and returning water leg (3).
3. drum-type boiler slag-cooling machine according to claim 1 is characterized in that: heat exchanger tube (7) is the polygon pipe, is fixed with circle of contact shape blade (20) on heat exchanger tube (7) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200798515U CN201106857Y (en) | 2007-06-06 | 2007-06-06 | Drum-type boiler cold slag machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200798515U CN201106857Y (en) | 2007-06-06 | 2007-06-06 | Drum-type boiler cold slag machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106857Y true CN201106857Y (en) | 2008-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200798515U Expired - Fee Related CN201106857Y (en) | 2007-06-06 | 2007-06-06 | Drum-type boiler cold slag machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106857Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135453A (en) * | 2015-09-09 | 2015-12-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Honeycomb water way roller type online slag cooler and production system applying same |
| CN106119536A (en) * | 2016-08-11 | 2016-11-16 | 青岛松灵电力环保设备有限公司 | A kind of manganese oxide powder cooling device |
| CN108759532A (en) * | 2018-05-24 | 2018-11-06 | 江苏天楹环保能源成套设备有限公司 | A kind of water cooling heat-exchanger rig of apparatus for rotating |
| CN109945175A (en) * | 2019-04-22 | 2019-06-28 | 四川轻化工大学 | A kind of tandem barrel slag cooler unit effectively adjusted according to actual condition demand |
-
2007
- 2007-06-06 CN CNU2007200798515U patent/CN201106857Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135453A (en) * | 2015-09-09 | 2015-12-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Honeycomb water way roller type online slag cooler and production system applying same |
| CN105135453B (en) * | 2015-09-09 | 2017-05-31 | 攀钢集团攀枝花钢铁研究院有限公司 | The online slag cooler of honeycomb water channel drum-type and its production system of application |
| CN106119536A (en) * | 2016-08-11 | 2016-11-16 | 青岛松灵电力环保设备有限公司 | A kind of manganese oxide powder cooling device |
| CN108759532A (en) * | 2018-05-24 | 2018-11-06 | 江苏天楹环保能源成套设备有限公司 | A kind of water cooling heat-exchanger rig of apparatus for rotating |
| CN109945175A (en) * | 2019-04-22 | 2019-06-28 | 四川轻化工大学 | A kind of tandem barrel slag cooler unit effectively adjusted according to actual condition demand |
| CN109945175B (en) * | 2019-04-22 | 2024-05-17 | 四川轻化工大学 | Tandem type roller slag cooler unit capable of being effectively adjusted according to actual working condition requirements |
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Owner name: DEYANG KINGTEC ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHANG YING Effective date: 20110721 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 621000 NO. 356-15, BANQIAO STREET, ECONOMIC DEVELOPMENT ZONE, MIANYANG CITY, SICHUAN PROVINCE TO: 618508 TUQIAO ROAD, INDUSTRIAL PARK, JINSHAN TOWN, LUOJIANG COUNTY, SICHUAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20110721 Address after: 618508 Luojiang County in Sichuan Province town of Jinshan Industrial Park Soil Bridge Patentee after: KINGTEC ENERGY TECHNOLOGY CO., LTD. Address before: 621000 No. 356-15 Banqiao street, Mianyang City, Sichuan Province Patentee before: Zhang Ying |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20150606 |
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| EXPY | Termination of patent right or utility model |