CN103994445A - Feeding device and cooling system for slag cooler of fluidized bed garbage incinerator - Google Patents
Feeding device and cooling system for slag cooler of fluidized bed garbage incinerator Download PDFInfo
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- CN103994445A CN103994445A CN201410219067.4A CN201410219067A CN103994445A CN 103994445 A CN103994445 A CN 103994445A CN 201410219067 A CN201410219067 A CN 201410219067A CN 103994445 A CN103994445 A CN 103994445A
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- cold slag
- fluidized bed
- pushes away
- slag machine
- case
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Abstract
The invention discloses a feeding device and a cooling system for a slag cooler of a fluidized bed garbage incinerator. The feeding device comprises a push box assembly and a push box driving device which drives the push box assembly to make reciprocating movement. The push box assembly comprises at least one push box. Moreover, the push box in the push box assembly is communicated with a boiler slag discharging tube of the fluidized bed garbage incinerator and is used for receiving materials from the boiler slag discharging tube, and the materials are pushed into the slag cooler. The feeding device and the cooling system for the slag cooler of the fluidized bed garbage incinerator can achieve continuous and even slag supplying to the slag cooler, a material pushing structure is simple, maintaining is convenient, and working efficiency is high.
Description
Technical field
The present invention relates to garbage burning boiler technical field, particularly a kind of drawing-in device and cooling system for the cold slag machine of fluidized bed refuse incinerator.
Background technology
The ubiquitous problem of circulating fluid bed domestic garbage burning stove is, due to foreign material such as ubiquity iron wire, glass, bricks in house refuse, in combustion process, be slowly deposited in burner hearth bottom, and cinder notch moves the frequent blockage phenomenon of tapping process downwards, be difficult to realize continuous and uniform deslagging, and guarantee the sealing in tapping process.This problem, has had a strong impact on the normal combustion of security of operation and boiler.
Although deslagging technique from the initial stage be directly discharged to hutching, dragveyer, barrel slag cooler is till now updated, slag tap continuously and evenly and the problem that seals is not still well solved so far.There are the following problems in tapping process for the cold slag machine of application cylinder at present:
The first, deslagging is discontinuous
Because the pipeline between slag-tapping tube of boiler and the import of cold slag machine often stops up, therefore, deslagging is discontinuous, need to regularly carry out manpower dredging, reduces boiler operating efficiency;
The second, go out the quantity of slag inhomogeneous
The size that goes out the quantity of slag is to be determined by cold slag machine rotating speed, so circulation is extremely unstable, affects the cooling effectiveness of cold slag machine; And, if when bed drain purge is excessive, also can out of controlly cause furnace high-temperature lime-ash to spray at a high speed.
Three, poor sealing performance
Because often manually dredge slag-tapping tube of boiler, its dredge outlet leaks out seriously, and slightly security incident just occurs in carelessness, in addition, and the poor equipment attrition of also aggravating of sealing.
Summary of the invention
In view of this, the present invention is intended to propose a kind of drawing-in device and cooling system for the cold slag machine of fluidized bed refuse incinerator, to realize better to the continuous and uniform defeated slag of cold slag machine, and can avoid as much as possible the generation of the problems such as obstruction.
First aspect, the present invention proposes a kind of drawing-in device for the cold slag machine of fluidized bed refuse incinerator, comprising: push away box assembly and drive described in push away that box assembly moves back and forth push away case drive unit; The described box assembly that pushes away comprises that at least one pushes away case; And, described in push away in box assembly described in push away case and be connected with the slag-tapping tube of boiler of fluidized bed refuse incinerator, for receiving from the material in described slag-tapping tube of boiler, and described material is pushed in cold slag machine.
Further, the above-mentioned drawing-in device for the cold slag machine of fluidized bed refuse incinerator, described in push away box assembly and comprise that first pushes away case; The described case drive unit that pushes away comprises the first hydraulic jack; Described the first hydraulic jack and described first pushes away case and is connected; Described first push away case in the effect of described the first hydraulic jack along straight reciprocating motion.
Further, the above-mentioned drawing-in device for the cold slag machine of fluidized bed refuse incinerator, described in push away box assembly and also comprise that second pushes away case; The described case drive unit that pushes away also comprises the second hydraulic jack; Described the second hydraulic jack and described second pushes away case and is connected; Described second push away case in the effect of described the second hydraulic jack along straight reciprocating motion; And described first pushes away case and described second, and to push away the case direction of motion contrary.
Further, the above-mentioned drawing-in device for the cold slag machine of fluidized bed refuse incinerator, described first pushes away case is connected by hinge or rotary head mode with described the first hydraulic jack; Described second pushes away case is connected by hinge or rotary head mode with described the second hydraulic jack.
Further, the above-mentioned drawing-in device for the cold slag machine of fluidized bed refuse incinerator also comprises housing; The described box assembly that pushes away is contained in described housing.
Further, the above-mentioned drawing-in device for the cold slag machine of fluidized bed refuse incinerator also comprises passage and discharge nozzle; Described passage is arranged between described housing and described slag-tapping tube of boiler; Described discharge nozzle is connected with described housing with described passage, and is inserted in the entrance of the described cold slag machine of circulating fluid bed garbage furnace.
Further, the above-mentioned drawing-in device for the cold slag machine of fluidized bed refuse incinerator, the side of described passage is also provided with urgent scum pipe; And the exit of described urgent slag-discharge pipe is provided with soon closes the door.
Further, the above-mentioned drawing-in device for the cold slag machine of fluidized bed refuse incinerator, is provided with movable sealing baffle plate in described discharge nozzle.
Second aspect, the invention also discloses a kind of cold slag system for fluidized bed refuse incinerator, comprises cold slag machine, also comprises, as above drawing-in device for fluidized bed refuse incinerator cold slag machine that be connected with described cold slag machine entrance.
Further, the above-mentioned cold slag system for fluidized bed refuse incinerator, described cold slag machine also comprises cold slag machine inlet seal ring; Described cold slag machine inlet seal ring is arranged between the charging aperture of described cold slag machine and the discharge nozzle of described drawing-in device.
Than material free-falling, the present invention has following advantage: because material-pulling device of the present invention is forced conveyance form, so, burn the soft ash of glass of red iron wire, melting, be difficult for stopping up.And, because adopting, the present invention pushes away box structure, and avoided extraneous and altered wind phenomenon with burner hearth, the more important thing is the risky operation of having avoided manually disclosing slag.
In addition, each in the present invention pushes away case and pushes away case drive unit with it respectively and be connected, and is pushing away under the effect of case drive unit, pushes away case along straight line alternate reciprocating motion; Because the direction of motion that has one or two to push away case is contrary, therefore, can realize the continuous defeated slag to cold slag machine, and material-pulling device is simple in structure, easy to maintenance, operating efficiency is high.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is that the present invention is for the side structure schematic diagram of the drawing-in device preferred embodiment of the cold slag machine of fluidized bed refuse incinerator;
Fig. 2 is that the present invention is for the Facad structure schematic diagram of the drawing-in device preferred embodiment of the cold slag machine of fluidized bed refuse incinerator;
Fig. 3 be the present invention for the drawing-in device preferred embodiment of the cold slag machine of fluidized bed refuse incinerator, hydraulic cylinder and each push away the annexation schematic diagram of case;
Fig. 4 be the present invention for another preferred embodiment of drawing-in device of the cold slag machine of fluidized bed refuse incinerator, hydraulic cylinder with push away the annexation schematic diagram of case.
Description of reference numerals
1 closes the door soon
2 urgent scum pipes
3 cooling lines
4 steelframes
5 cold slag machines
6 discharge nozzles
7 movable sealing baffle plates
8 cold slag machine inlet seal rings
9 slag-tapping tube of boilers
10 passages
11 pushing material components
111 first push away case
112 second push away case
12 support rollers
13 housings
14 push away case drive unit
141 first hydraulic cylinders
142 second hydraulic cylinders
15 hydraulic cylinder mount pads
16 flanges
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the present invention can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
The present invention, for the embodiment of the drawing-in device of the cold slag machine of fluidized bed refuse incinerator, pushes away box assembly and comprises that pushing away case drive unit pushes away case with at least one; Pushing away case is pushing away under the effect of case drive unit, along straight reciprocating motion; Push away box assembly and be connected with the slag-tapping tube of boiler of fluidized bed refuse incinerator, for receiving from the material in slag-tapping tube of boiler, and material is pushed to cold slag machine.
Than material free-falling, because adopt one, two or more form that pushes away the forced conveyance of case, so the soft ash of glass that burns red iron wire, melting is forced to push to the entrance of cold slag machine, be therefore difficult for stopping up.And, because adopting, the present invention pushes away box structure, and avoided extraneous and altered wind phenomenon with burner hearth, the more important thing is the risky operation of having avoided manually disclosing slag.
In the specific implementation, the quantity that pushes away case can be one, two or more, can select according to the size of deslagging particle.When particle is large, adopt that single to push away case proper, because the slag place actual cross-section that falls is large, large part easily falls in pusher storehouse; Particle hour adopts that two or more to push away case proper, and continuity and the uniformity of sending into the material of cold slag machine all increase with respect to the single case that pushes away.
Below in conjunction with Fig. 1, Fig. 2 and Fig. 3, to comprising that two drawing-in device embodiment for the cold slag machine of fluidized bed refuse incinerator that push away case describe.
The present embodiment is used for receiving from the material in fluidized bed incinerator slag-tapping tube of boiler 9 for the drawing-in device of the cold slag machine of fluidized bed refuse incinerator, and its material output communicates with the entrance of cold slag machine 5, and the material in lower slag pipe is pushed to cold slag machine 5.In the present embodiment, cold slag machine 5 is barrel slag cooler.
Specifically, the above-mentioned functions of the present embodiment drawing-in device realizes by pushing away box assembly 11.Push away box assembly 11 and comprise that first pushes away case 111 and second and push away case 112; Pushing away case drive unit 14 and be the first hydraulic jack 141 and the second hydraulic jack 142, the first hydraulic jacks 141 and first pushes away case 111 and is connected; The second hydraulic jack 142 and second pushes away case 112 and is connected; First pushes away case 111 and second pushes away case 112 under the first hydraulic jack 141 and the second hydraulic jack 142 effects, and the direction of motion is contrary.Each pushes away case and is connected by hinge or rotary head mode with driving the hydraulic jack of its motion.
First pushes away case 111 and second pushes away case 112 and can be contained in housing 13.Housing 13 and first pushes away between case 111 and is provided with gap, and housing 13 and second pushes away between case 112 and is provided with gap.This housing 13 can be metal shell.Preferably, first push away case 111 and second and push away between case 112 and housing and can be provided with support roller 12.
The first hydraulic cylinder 141 or the second hydraulic cylinder 142 are fixedly installed on hydraulic cylinder mount pad 15.The first hydraulic jack 141 and first pushes away case 111, hydraulic cylinder mount pad 15 is hinged; The second hydraulic jack 142 and second pushes away case 112, hydraulic cylinder mount pad 15 is hinged.Hydraulic cylinder mount pad 15 is fixed on flange 16, and flange 16 is connected with housing 13.Housing 13 is installed on steelframe 4; In housing 13, be furnished with cooling line 3, cooling line 3 is fixed on flange 16, and is connected with cooling source.
And this drawing-in device embodiment is also provided with passage 10 and discharge nozzle 6; Passage 10 is arranged between housing 13 and slag-tapping tube of boiler 9, and above between housing 13 and discharge nozzle 6; Discharge nozzle 6 is arranged at the front end of this drawing-in device, is connected, and is inserted in the entrance of cold slag machine 5 with passage 10 with housing 13, and discharge nozzle 6 is outer is provided with cold slag machine inlet seal ring 8 by cold slag machine porch.The charging aperture of cold slag machine 5 is arranged at the pivot of cold slag machine 5.
In this drawing-in device embodiment, the side of passage 10 is also provided with urgent scum pipe 2; For guaranteeing boiler normal combustion, when breaking down, can, from urgent scum pipe 2, take to be interrupted slagging mode boiler warm sludge is discharged feeding drive part.And the outlet of urgent scum pipe 2 is provided with closes the door 1 soon; Because urgent scum pipe 2 deslagginves are flow by gravity modes, must fast and reliable closing in the time will stopping deslagging, effectively control bed drain purge.And, in discharge nozzle 6, be provided with movable sealing baffle plate 7, be preferably disposed on the top in discharge nozzle 6.
The operation principle of the present embodiment drawing-in device is as follows: control the first hydraulic cylinder 141,142 1 of the second hydraulic cylinders advance, and one retreats.Like this, because the first hydraulic cylinder 141 and first pushes away case 111 mechanical connections, the first hydraulic cylinder 142 and first pushes away case 112 mechanical connections, and therefore, first pushes away case 111 or the second pushes away case 112 linear reciprocating motions.Push away case and constantly move back and forth along with two, slag material is by continuously and is pushed substantially equally in cold slag machine 5 and carry out cooling rear discharge.
Can find out, in the present embodiment, in order better to adapt to, slag is carried and evenly feed slag in cold slag machine, adopts two and pushes away case, reduces pusher speed, but also can meet the target of evenly feeding slag.Strengthen passage actual internal area, can avoid slag bridging, scaffold.Housing 13 is interior to be arranged cooling line 3 and can guarantee to push away case drive unit 14 (that is, the first hydraulic cylinder 141 and the second hydraulic cylinder 142) and work under suitable environment temperature; Because support roller 12 is arranged at the first material pushing box 111 and the second material pushing box 112 bottoms, support, therefore can further reduce friction and mechanical wear, durability improves.
Can find out, than the slag mode that freely falls, the present embodiment has following advantage: because embodiment adopts material-pulling device not rely on deadweight, so, fundamentally eliminated easily locked defect of iron wire, fragment of brick.And, because the present invention adopts, push away box structure, and be provided with sealing baffle, its inleakage can be reduced more than 90%.And material-pulling device is simple in structure, easy to maintenance, suitable popularization.
With reference to Fig. 4, Fig. 4 shows the present invention for another preferred embodiment of material-pulling device of barrel slag cooler, hydraulic cylinder and the annexation schematic diagram that pushes away case.In this embodiment, adopted a pushing cylinder to push away slag.Specifically, in the present embodiment drawing-in device, push away box assembly and only comprise that one first pushes away case 111; Push away case drive unit and comprise that first hydraulic jack 141, the first hydraulic jacks 141 and first push away case 111 and are connected; First pushes away case 111 under the first hydraulic jack 141 effects, along straight reciprocating motion.This is single pushes away case embodiment and is applicable to the situation of boiler slag particle when large, because the slag place actual cross-section that falls is large, large part easily falls in pusher storehouse.Equally, than the slag mode that freely falls of the prior art, the present embodiment is because adopting material-pulling device not rely on deadweight, so, fundamentally eliminated easily locked defect of iron wire, fragment of brick.And, because the present invention's employing pushes away box structure, also can reduce and leak out.
It should be noted that, above only having provided adopts single case or two embodiment that push away box assembly that push away case of pushing away, and comprises three and pushes away case or the embodiment that pushes away case and two more to push away case similar.The present invention does not repeat them here.
On the other hand, the present invention also provides a kind of cold slag system for fluidized bed refuse incinerator, comprises cold slag machine and the above-mentioned drawing-in device for the cold slag machine of fluidized bed refuse incinerator, and wherein, the material output of drawing-in device is communicated with the import of cold slag machine.Because related content is described in the above, with reference to above-mentioned explanation, the present invention does not repeat them here.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. for a drawing-in device for the cold slag machine of fluidized bed refuse incinerator, it is characterized in that, comprising:
Push away box assembly and drive described in push away that box assembly moves back and forth push away case drive unit;
The described box assembly that pushes away comprises that at least one pushes away case; And
Described push away in box assembly described in push away case and be connected with the slag-tapping tube of boiler of fluidized bed refuse incinerator, for receiving from the material in described slag-tapping tube of boiler, and described material is pushed in cold slag machine.
2. the drawing-in device for the cold slag machine of fluidized bed refuse incinerator according to claim 1, is characterized in that,
The described box assembly that pushes away comprises that first pushes away case;
The described case drive unit that pushes away comprises the first hydraulic jack;
Described the first hydraulic jack and described first pushes away case and is connected;
Described first push away case in the effect of described the first hydraulic jack along straight reciprocating motion.
3. the drawing-in device for the cold slag machine of fluidized bed refuse incinerator according to claim 2, is characterized in that,
The described box assembly that pushes away also comprises that second pushes away case;
The described case drive unit that pushes away also comprises the second hydraulic jack;
Described the second hydraulic jack and described second pushes away case and is connected;
Described second push away case in the effect of described the second hydraulic jack along straight reciprocating motion;
And described first pushes away case and described second, and to push away the case direction of motion contrary.
4. the drawing-in device for the cold slag machine of fluidized bed refuse incinerator according to claim 3, is characterized in that,
Described first pushes away case is connected by hinge or rotary head mode with described the first hydraulic jack;
Described second pushes away case is connected by hinge or rotary head mode with described the second hydraulic jack.
5. the drawing-in device for the cold slag machine of fluidized bed refuse incinerator according to claim 4, is characterized in that,
Also comprise housing;
The described box assembly that pushes away is contained in described housing.
6. the drawing-in device for the cold slag machine of fluidized bed refuse incinerator according to claim 5, is characterized in that,
Described drawing-in device also comprises passage and discharge nozzle;
Described passage is arranged between described housing and described slag-tapping tube of boiler;
Described discharge nozzle is connected with described housing with described passage, and is inserted in the entrance of the described cold slag machine of circulating fluid bed garbage furnace.
7. the drawing-in device for the cold slag machine of fluidized bed refuse incinerator according to claim 6, is characterized in that,
The side of described passage is also provided with urgent scum pipe; And
The exit of described urgent slag-discharge pipe is provided with soon closes the door.
8. the drawing-in device for the cold slag machine of fluidized bed refuse incinerator according to claim 7, is characterized in that,
In described discharge nozzle, be provided with movable sealing baffle plate.
9. for a cold slag system for fluidized bed refuse incinerator, comprise cold slag machine, it is characterized in that, also comprise and the described cold slag machine entrance drawing-in device for the cold slag machine of fluidized bed refuse incinerator that be connected, as described in any one in claim 1 to 8.
10. the cold slag system for fluidized bed refuse incinerator according to claim 9, is characterized in that,
Described cold slag machine also comprises cold slag machine inlet seal ring;
Described cold slag machine inlet seal ring is arranged between the charging aperture of described cold slag machine and the discharge nozzle of described drawing-in device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219067.4A CN103994445A (en) | 2014-05-22 | 2014-05-22 | Feeding device and cooling system for slag cooler of fluidized bed garbage incinerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410219067.4A CN103994445A (en) | 2014-05-22 | 2014-05-22 | Feeding device and cooling system for slag cooler of fluidized bed garbage incinerator |
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|---|---|
| CN103994445A true CN103994445A (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410219067.4A Pending CN103994445A (en) | 2014-05-22 | 2014-05-22 | Feeding device and cooling system for slag cooler of fluidized bed garbage incinerator |
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| CN (1) | CN103994445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485672A (en) * | 2015-12-24 | 2016-04-13 | 武汉凯迪工程技术研究总院有限公司 | Automatic residue poking method and device for wind distribution plate of biomass circulating fluidized bed boiler |
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| CN101294711A (en) * | 2008-05-23 | 2008-10-29 | 盐城中舜机械有限公司 | Hydraulic transmission slag tapping method and slag tapping machine |
| CN102913914A (en) * | 2012-11-22 | 2013-02-06 | 福建省工业设备安装有限公司 | Garbage incinerator self-locking gas hydraulic continuous garbage feeding device |
| CN204006015U (en) * | 2014-05-22 | 2014-12-10 | 北京中科通用能源环保有限责任公司 | For drawing-in device and the cold slag system of the cold slag machine of fluidized bed refuse incinerator |
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2014
- 2014-05-22 CN CN201410219067.4A patent/CN103994445A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02302512A (en) * | 1989-05-15 | 1990-12-14 | Hitachi Zosen Corp | Incineration ash melting method and device therefor |
| CN1944685A (en) * | 2006-11-14 | 2007-04-11 | 青岛德施普电力设备有限公司 | Overlapped chamber type slage cooling machine |
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| CN102913914A (en) * | 2012-11-22 | 2013-02-06 | 福建省工业设备安装有限公司 | Garbage incinerator self-locking gas hydraulic continuous garbage feeding device |
| CN204006015U (en) * | 2014-05-22 | 2014-12-10 | 北京中科通用能源环保有限责任公司 | For drawing-in device and the cold slag system of the cold slag machine of fluidized bed refuse incinerator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105485672A (en) * | 2015-12-24 | 2016-04-13 | 武汉凯迪工程技术研究总院有限公司 | Automatic residue poking method and device for wind distribution plate of biomass circulating fluidized bed boiler |
| CN105485672B (en) * | 2015-12-24 | 2017-11-10 | 武汉凯迪工程技术研究总院有限公司 | Biomass recirculating fluidized bed boiler air distribution plate discloses slag method and its device automatically |
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Application publication date: 20140820 |