CN106594755A - Hollow shaft structure of multi-layer furnace as well as dismounting tool and dismounting method for rabble arm and rabble teeth - Google Patents
Hollow shaft structure of multi-layer furnace as well as dismounting tool and dismounting method for rabble arm and rabble teeth Download PDFInfo
- Publication number
- CN106594755A CN106594755A CN201710057105.4A CN201710057105A CN106594755A CN 106594755 A CN106594755 A CN 106594755A CN 201710057105 A CN201710057105 A CN 201710057105A CN 106594755 A CN106594755 A CN 106594755A
- Authority
- CN
- China
- Prior art keywords
- rake
- rake arms
- pin
- arms
- multihearth
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/12—Sludge, slurries or mixtures of liquids
Abstract
The invention discloses a hollow shaft structure of a multi-layer furnace as well as a dismounting tool and a dismounting method for a rabble arm and rabble teeth. The hollow shaft structure comprises a hollow shaft, the rabble arm and the rabble teeth, and further comprises a variable-frequency speed regulating motor, a speed reducer, a small bevel gear and a large bevel gear; wherein the rabble arm is connected with the hollow shaft through rabble arm pins; the rabble teeth are mounted on a slide path on the bottom of the rabble arm, and are located by rabble teeth pins on the end part of the rabble arm; the bottom shaft of the hollow shaft is fixedly connected with the large bevel gear, and the large bevel gear is mutually engaged with the small bevel gear; and the small bevel gear is connected with a drive shaft of the variable-frequency speed regulating motor through the speed reducer. Compared with the prior art, the hollow shaft structure has the beneficial effects that: firstly, the rabble arm and the rabble teeth are more convenient and quicker to maintain and replace through key equipment of the multi-layer furnace, so that production efficiency is improved; and secondly, the drive device is compact in structure, so that space is saved, and a rotation speed regulating range is great; and thirdly, the hollow shaft structure is suitable for incineration of various sludge garbage.
Description
Technical field
The present invention relates to the dismounting work of multihearth field, more particularly to a kind of multihearth hollow shaft structure and rake arms rake teeth
Tool and method for dismounting.
Background technology
Multihearth is the equipment for burning municipal refuse, and China's rubbish does not have strict classification, the moisture contained in rubbish
It is higher, complicated component, so calorific value is very low, multihearth is adapted to process moisture content height, the low sludge garbage of calorific value.The stove of multihearth
Body sets multilamellar siege, is divided into dry, preheating, roasting and cooling zone from top to bottom.The vertical hollow axle in burner hearth center is driving dress
Under the drive put, the rake arms of each layer siege, rake teeth is driven to rotate.Rubbish is added from furnace roof portion, as odd, even several sieges are harrowed in stove
The orientation of tooth is different, stirring with impetus in rake teeth, and material successively falls from top to bottom in " S " type, and carrys out spontaneous combustion
The heat smoke adverse current of room is met and carries out heat exchange.
Existing multihearth technically exist some it is unreasonable where：The ability that siege processes inventory is relatively low；It is empty
Heart axle is worked at high temperature, is cooled down by divulging information, and effect is undesirable, and not enough, the life-span is shorter for tube wall strength；Odd number, even number siege
Rake arms on equipped with many rake teeths, as continuous raking furnace charge at a certain temperature, rake teeth are easy to damage, maintenance is relatively stranded
Difficulty, high labor intensive；The electromagnetism asynchronous motor of driving means adapted adjustable speed, realizes rotating speed by changing the diameter of belt pulley
Adjust, range of accommodation is little；Complex structure, maintenance difficult, the thermal efficiency are low, dust contained flue gas of coming out of the stove are more, pollute environment, energy-conserving and environment-protective
Property it is poor, the presence of these problems causes the equipment to be progressively suspended stove, fluidized bed furnace etc. to be replaced, therefore improves its internal structure, drops
The labor intensity of low workman so as to conveniently can quickly carry out operation maintenance, increase the service life of internal key equipment,
Current trend is become.
The content of the invention
It is an object of the invention to provide the extracting tool and method for dismounting of a kind of multihearth hollow shaft structure and rake arms rake teeth,
The structure of hollow shaft driving device is simplified, makes structure compacter, reasonable.Maintenance changes convenient, quick, so as to improve
Production efficiency.
In order to achieve the above object, the present invention employs the following technical solutions realization：
A kind of multihearth hollow shaft structure, including hollow axle, rake arms, rake teeth, rake arms are connected with hollow axle by rake arms pin
Connect, rake teeth is arranged on the slideway of rake arms bottom, is positioned by the rake teeth pin of rake arms end；Also include frequency control motor,
Reductor, cone pinion, large bevel gear, the lower shaft of hollow axle are fixedly connected with large bevel gear, large bevel gear and cone pinion phase
Mutually engage, cone pinion connects the drive shaft of frequency control motor by reductor.
A kind of extracting tool of the rake arms rake teeth of multihearth hollow shaft structure, including rake arms dismounting guide rail, rake arms dismounting work
Tool, pin extracting tool；Rake arms dismounting guide rail is bolted at the manhole door of multihearth, and rake arms extracting tool is by rake
Arm dismounting guide rail is extend in multihearth from multihearth manhole door, holds rake arms bottom.
The rake arms dismounting guide rail includes guide rail bracket, guide rail, and guide rail is fixed in guide rail bracket, and spiral shell is provided with guide rail bracket
Bolt.
The rake arms extracting tool includes turning rolls, bracket, handle, pin fixed plate, and turning rolls is fixed on bracket one end,
Handle is fixed on the other end of bracket, and pin fixed plate is fixed on the middle part of bracket, in pin fixed plate is provided with pin-and-hole.
A kind of method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure, comprises the steps：
1) manhole door on multihearth is opened, first rake teeth pin is removed by manhole door, while by rake teeth and pad
Disassemble, then rake arms dismounting guide rail is stretched in multihearth from manhole door, and is bolted on multihearth；
2) by the turning rolls of rake arms extracting tool along rake arms dismantle guide rail send in multihearth, the lower section of rake arms, make pin
Pin-and-hole in nail fixed plate is alignd with the rake teeth pin hole in rake arms, and rake teeth pin is inserted pin hole from manhole door, by rake
Rake arms is connected by alligator nail with rake arms extracting tool；
3) pin extracting tool is sent into into multihearth, rake arms pin of the connection rake arms with hollow axle is taken out, is departed from hollow
The rake arms of axle is held by rake arms extracting tool, and is connected by rake teeth pin, and the handle for pulling rake arms extracting tool is suitable by rake arms
Rake arms dismounting guide rail to take out.
Compared with prior art, the invention has the beneficial effects as follows：
1) the key equipment rake arms rake teeth maintenance of multihearth changes convenient, quick, so as to improve production efficiency.
2) compact conformation of driving means, save space, rotational speed regulation scope are big.
3) suitable for the burning of various sludge garbages.
Description of the drawings
Fig. 1 is the structural representation of multihearth involved in the present invention：
Fig. 2 is the structural representation of hollow mandrel of the present invention and driving means：
Fig. 3 is the top view of Fig. 2：
Fig. 4 is the A direction views of Fig. 3；
Fig. 5 is the structural representation of rake arms rake teeth：
Fig. 6 is the structural representation that rake arms dismantles guide rail；
Fig. 7 is the structural representation of rake arms extracting tool；
Fig. 8 is the structural representation of pin extracting tool.
Fig. 9 is the dismounting schematic diagram of rake arms
In figure：1- frequency control motors, 2- reductors, 3- cone pinions, 4- large bevel gears, 5- lower shafts, 6- hollow axles, 7-
Rake arms, 8- rake teeths, 9- rake arms pins, 10- rake teeth pins, 11- pads, 12- rake arms dismounting guide rail, 12-1 guide rails, 12-2 guide rails
Frame, 12-3 bolts, 13- rake arms extracting tools, 13-1 handles, 13-2 brackets, 13-3 turning rolls, 13-4 pin fixed plates, 14- pins
Nail extracting tool, 15- cylindrical furnaces, 16- manhole doors, 17- heat-barrier materials.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further：
As Figure 1-Figure 5, a kind of multihearth hollow shaft structure, including hollow axle 6, rake arms 7, rake teeth 8, rake arms 7 pass through
Rake arms pin 9 is connected with hollow axle 6, and rake teeth 8 is arranged on the slideway of 7 bottom of rake arms, by the rake teeth pin 10 of 7 end of rake arms
Positioning；Also include frequency control motor 1, reductor 2, cone pinion 3, large bevel gear 4, the lower shaft 5 of hollow axle 6 and large bevel gear
4 are fixedly connected, and large bevel gear 4 is intermeshed with cone pinion 3, and cone pinion 3 connects frequency control motor 1 by reductor 2
Drive shaft.
See Fig. 1, be the structural representation of multihearth involved in the present invention, a multihearth is connected by more piece hollow axle 6
Composition, hollow axle 6 are driven by driving means, and its effect is to drive rake arms 7 to rotate, and the motion of material is by revolving hollow spindle 6
On in the rake arms 7 stretched out rake teeth 8 raking come what is realized, be equipped with the furnace wall of every layer of siege of cylindrical furnace 15 some
Individual manhole door 16, for overhauling rake arms 7, rake teeth 8 and the observation working of a furnace.
See Fig. 2-Fig. 4, hollow axle 6 is made up of some assemblnig sections, material is heat-resisting nickel-chromium steel, due to hollow axle 6
Length it is long, stress is big, therefore in the design on the one hand by hollow axle outsourcing heat-barrier material 17, to reduce heat radiation, on the other hand
Hollow axle inside and outside wall thickness is increased, stability is improve.Driving means are by frequency-conversion and speed-regulation motor 1, reductor 2, small bevel gear
The unit constructions such as wheel 3, lower shaft 5 are formed.Frequency control motor 1 drives cone pinion 3 to rotate by reductor 2, cone pinion 3 with
The large bevel gear 4 of 6 bottom of hollow axle is engaged, and drives hollow axle 6 to rotate.
The present invention employs frequency control motor 1 to realize rotational speed regulation in the design, and range of accommodation becomes big, eliminates big
The parts such as belt pulley, small belt pulley, V belt, belt pulley protective cover, simplify structure, make structure compacter, reasonable.
On the axle sleeve of hollow axle 6, every layer of siege has been mounted equidistant 2～4 rake arms 7.See Fig. 5, rake arms 7 is by heat-resisting alloy
Steel is made, and multiple rake teeths 8 are housed in each rake arms 7, and rake teeth 8 is cylinder iron made.Rake teeth 8 is hung in the lower section of rake arms 7, main to use
The material walking in the raking stove, wearability will be got well, so material selection rich chromium cast iron.
Rake teeth 8 is arranged in rake arms 7, directly contact with furnace charge, due to continuous raking furnace charge at a certain temperature, therefore rake teeth
8 is easily worn part, during maintenance, by the manhole door 16 on every layer of siege furnace wall of cylindrical furnace 15, rake teeth 8 is overhauled
Change.
See Fig. 6-Fig. 8, a kind of extracting tool of the rake arms rake teeth of multihearth hollow shaft structure, including rake arms dismounting guide rail
12nd, rake arms extracting tool 13, pin extracting tool 14；Rake arms dismounting guide rail 12 is fixed on the manhole of multihearth by bolt 12-3
At door 16, rake arms extracting tool 13 is dismantled guide rail 12 by rake arms and is extend in multihearth from multihearth manhole door 16, holds rake
7 bottom of arm.
The rake arms dismounting guide rail 12 includes guide rail bracket 12-2, guide rail 12-1, and guide rail 12-1 is fixed in guide rail bracket 12-2,
Bolt 12-3 is provided with guide rail bracket 12-2.
The rake arms extracting tool 13 includes turning rolls 13-3, bracket 13-2, handle 13-1, pin fixed plate 13-4, rolling
Wheel carrier 13-3 is fixed on bracket 13-2 one end, and handle 13-1 is fixed on the other end of bracket 13-2, and pin fixed plate 13-4 is fixed
At the middle part of bracket 13, pin-and-hole is provided with pin fixed plate 13-4.
The two ends of turning rolls 13-3 are provided with roller and coordinate rolling with guide rail 12-1.
Pin extracting tool 14 is provided with hand-held long-armed and dismounting head, and dismounting head is fork shape, and the bottom of fork is with convex
Rise as fulcrum when taking nail, can by it is hand-held it is long-armed will dismantle head and send into multihearth from manhole door 16 rake arms pin 9 is pulled out
Rise and pull down.
See Fig. 9, a kind of method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure comprises the steps：
1) manhole door 16 on multihearth is opened, first rake teeth pin 10 is removed by manhole door 16, while by rake teeth 8
Disassemble with pad 11, then rake arms dismounting guide rail 12 is stretched in multihearth from manhole door 16, and it is solid by bolt 12-3
It is scheduled on multihearth；
2) by the turning rolls 13-3 of rake arms extracting tool 13 along rake arms dismantle guide rail 12 send in multihearth, rake arms 7
Lower section, makes the pin-and-hole in pin fixed plate 13-4 align with the rake teeth pin hole in rake arms 7, from manhole door 16 by rake teeth pin 10
Rake arms 7 is connected with rake arms extracting tool 13 by insertion pin hole by rake teeth pin 10；
3) pin extracting tool 14 is sent into into multihearth, rake arms pin 9 of the connection rake arms 7 with hollow axle 6 is taken out, is departed from
The rake arms 7 of hollow axle 6 is held by rake arms extracting tool 13, and is connected by rake teeth pin 10, pulls rake arms extracting tool 13
Rake arms 7 is taken out by handle 13-1 along rake arms dismounting guide rail 12.
During dismounting rake arms pin 9, as 13 support of rake arms extracting tool rake arms 7, while rake arms 7 passes through rake teeth
Pin 10 is connected with rake arms extracting tool 13, can prevent rake arms 7 from coming off, and by pulling handle 13-1, makes turning rolls
13-3 follows tracks 12-1 slides, and rake arms 7 is taken out of from manhole door 16.Inverse operations is carried out during installation.
Claims (5)
1. a kind of multihearth hollow shaft structure, including hollow axle, rake arms, rake teeth, rake arms are connected with hollow axle by rake arms pin,
Rake teeth is arranged on the slideway of rake arms bottom, is positioned by the rake teeth pin of rake arms end；Characterized in that, also including becoming frequency modulation
Speed motor, reductor, cone pinion, large bevel gear, the lower shaft of hollow axle are fixedly connected with large bevel gear, large bevel gear and umbellule
Gear is intermeshed, and cone pinion connects the drive shaft of frequency control motor by reductor.
2. a kind of extracting tool of the rake arms rake teeth of multihearth hollow shaft structure as claimed in claim 1, it is characterised in that bag
Include rake arms dismounting guide rail, rake arms extracting tool, pin extracting tool；Rake arms dismounting guide rail is bolted on the people of multihearth
Hole Men Chu, rake arms extracting tool dismantle guide rail by rake arms and extend in multihearth from multihearth manhole door, hold rake arms bottom.
3. the extracting tool of the rake arms rake teeth of a kind of multihearth hollow shaft structure according to claim 2, it is characterised in that
The rake arms dismounting guide rail includes guide rail bracket, guide rail, and guide rail is fixed in guide rail bracket, and bolt is provided with guide rail bracket.
4. the extracting tool of the rake arms rake teeth of a kind of multihearth hollow shaft structure according to claim 2, it is characterised in that
The rake arms extracting tool includes turning rolls, bracket, handle, pin fixed plate, and turning rolls is fixed on bracket one end, and handle is fixed
In the other end of bracket, pin fixed plate is fixed on the middle part of bracket, in pin fixed plate is provided with pin-and-hole.
5. a kind of method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure as claimed in claim 1, it is characterised in that bag
Include following steps：
1) manhole door on multihearth is opened, first rake teeth pin is removed by manhole door, while by rake teeth and shim disassembling
Get off, then rake arms dismounting guide rail is stretched in multihearth from manhole door, and is bolted on multihearth；
2) by the turning rolls of rake arms extracting tool along rake arms dismantle guide rail send in multihearth, the lower section of rake arms, make pin solid
Pin-and-hole in fixed board is alignd with the rake teeth pin hole in rake arms, rake teeth pin is inserted pin hole from manhole door, by rake teeth pin
Rake arms is connected by nail with rake arms extracting tool；
3) pin extracting tool is sent into into multihearth, rake arms pin of the connection rake arms with hollow axle is taken out, departs from hollow axle
Rake arms is held by rake arms extracting tool, and is connected by rake teeth pin, pull rake arms extracting tool handle by rake arms along rake
Arm dismounting guide rail takes out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057105.4A CN106594755B (en) | 2017-01-23 | 2017-01-23 | A kind of extracting tool and method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057105.4A CN106594755B (en) | 2017-01-23 | 2017-01-23 | A kind of extracting tool and method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594755A true CN106594755A (en) | 2017-04-26 |
| CN106594755B CN106594755B (en) | 2019-01-11 |
Family
ID=58585261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710057105.4A Active CN106594755B (en) | 2017-01-23 | 2017-01-23 | A kind of extracting tool and method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594755B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941035A (en) * | 2017-12-21 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of light calcined magnesia multilayer combustion stove combines rake tooth type rake arms with double-deck cooling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2317941A (en) * | 1941-03-24 | 1943-04-27 | Nichols Eng & Res Corp | Incineration of liquid sludge or the like |
| CN204057971U (en) * | 2014-08-04 | 2014-12-31 | 天华化工机械及自动化研究设计院有限公司 | Disc type activation furnace |
| CN105821203A (en) * | 2016-05-31 | 2016-08-03 | 洛阳栾川钼业集团股份有限公司 | Dismounting and mounting device of raking arm for molybdenum concentrate roasting multi-hearth furnace and dismounting and mounting method |
| CN206504338U (en) * | 2017-01-23 | 2017-09-19 | 中冶焦耐(大连)工程技术有限公司 | A kind of extracting tool of multihearth hollow shaft structure and rake arms rake teeth |
-
2017
- 2017-01-23 CN CN201710057105.4A patent/CN106594755B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2317941A (en) * | 1941-03-24 | 1943-04-27 | Nichols Eng & Res Corp | Incineration of liquid sludge or the like |
| CN204057971U (en) * | 2014-08-04 | 2014-12-31 | 天华化工机械及自动化研究设计院有限公司 | Disc type activation furnace |
| CN105821203A (en) * | 2016-05-31 | 2016-08-03 | 洛阳栾川钼业集团股份有限公司 | Dismounting and mounting device of raking arm for molybdenum concentrate roasting multi-hearth furnace and dismounting and mounting method |
| CN206504338U (en) * | 2017-01-23 | 2017-09-19 | 中冶焦耐(大连)工程技术有限公司 | A kind of extracting tool of multihearth hollow shaft structure and rake arms rake teeth |
Non-Patent Citations (1)
| Title |
|---|
| 方剑藻: "立式多段炉在活性炭再生上的应用", 《化工炼油机械通讯》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941035A (en) * | 2017-12-21 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of light calcined magnesia multilayer combustion stove combines rake tooth type rake arms with double-deck cooling |
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| Publication number | Publication date |
|---|---|
| CN106594755B (en) | 2019-01-11 |
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