CN206504338U - A kind of extracting tool of multihearth hollow shaft structure and rake arms rake teeth - Google Patents
A kind of extracting tool of multihearth hollow shaft structure and rake arms rake teeth Download PDFInfo
- Publication number
- CN206504338U CN206504338U CN201720085475.4U CN201720085475U CN206504338U CN 206504338 U CN206504338 U CN 206504338U CN 201720085475 U CN201720085475 U CN 201720085475U CN 206504338 U CN206504338 U CN 206504338U
- Authority
- CN
- China
- Prior art keywords
- rake
- rake arms
- hollow shaft
- multihearth
- arms
- 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.)
- Active
Links
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
A kind of extracting tool of multihearth hollow shaft structure and rake arms rake teeth, hollow shaft structure includes hollow shaft, rake arms, rake teeth, and rake arms is connected by rake arms pin with hollow shaft, and rake teeth is arranged on the slideway of rake arms bottom, 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 shaft is fixedly connected with large bevel gear, large bevel gear is intermeshed with cone pinion, cone pinion connects the drive shaft of frequency control motor by reductor.Compared with prior art, the beneficial effects of the utility model are：1) the key equipment rake arms rake teeth maintenance of multihearth changes more convenient, fast, so as to improve production efficiency.2) compact conformation of drive device, saves space, and rotational speed regulation scope is big.3) it is applied to the burning of various sludge garbages.
Description
Technical field
The utility model is related to multihearth field, and more particularly to a kind of multihearth hollow shaft structure and rake arms rake teeth are torn open
Unload instrument.
Background technology
Multihearth is the equipment for burning municipal refuse, and China's rubbish does not have the moisture contained in strict classification, rubbish
It is higher, complicated component, so calorific value is very low, multihearth is adapted to processing moisture content height, the low sludge garbage of calorific value.The stove of multihearth
Body sets multilayer siege, is divided into from top to bottom and dries, preheats, being calcined and cooling zone.The vertical hollow shaft in burner hearth center is filled in driving
Under the drive put, the rake arms of each layer siege, rake teeth is driven to rotate.Rubbish is added from furnace roof portion, because odd, even several sieges are harrowed in stove
The orientation of tooth is different, and in stirring with impetus for rake teeth, material successively falls from top to bottom in " S " type, with carrying out spontaneous combustion
The heat smoke adverse current of room is met carry out heat exchange.
Technically there are some unreasonable places in existing multihearth：The ability of siege processing inventory is relatively low；It is empty
Heart axle works at high temperature, is cooled down by divulging information, 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, due to continuous raking furnace charge at a certain temperature, rake teeth is easy to damage, and maintenance is relatively stranded
Difficulty, labor intensity is big；The electromagnetism asynchronous motor of drive device adapted adjustable speed, rotating speed is realized by the diameter for changing belt pulley
Regulation, adjustable range is small；Complicated, 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, can facilitate, and quickly carry out operation maintenance, increase the service life of internal key equipment,
Turn into current trend.
Utility model content
The purpose of this utility model is to provide the extracting tool of a kind of multihearth hollow shaft structure and rake arms rake teeth, simplifies
The structure of hollow shaft driving device, makes structure compacter, reasonable.Maintenance changes more convenient, fast, so as to improve production effect
Rate.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of multihearth hollow shaft structure, including hollow shaft, rake arms, rake teeth, rake arms are connected by rake arms pin and hollow shaft
Connect, rake teeth is arranged on the slideway of rake arms bottom, 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 shaft are fixedly connected with large bevel gear, large bevel gear and cone pinion phase
Mutually engagement, 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 passes through rake
Arm dismantles guide rail from multihearth manhole door extend into multihearth, 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, and pin-and-hole is provided with pin fixed plate.
Compared with prior art, the beneficial effects of the utility model are：
1) the key equipment rake arms rake teeth maintenance of multihearth changes more convenient, fast, so as to improve production efficiency.
2) compact conformation of drive device, saves space, and rotational speed regulation scope is big.
3) it is applied to the burning of various sludge garbages.
Brief description of the drawings
Fig. 1 is the structural representation of the multihearth involved by the utility model：
Fig. 2 is the utility model hollow mandrel and the structural representation of drive device：
Fig. 3 is Fig. 2 top view：
Fig. 4 is Fig. 3 A direction views；
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 shafts, 7-
Rake arms, 8- rake teeths, 9- rake arms pin, 10- rake teeths pin, 11- pads, 12- rake arms dismounting guide rail, 12-1 guide rails, 12-2 guide rails
Frame, 12-3 bolts, 13- rake arms extracting tool, 13-1 handles, 13-2 brackets, 13-3 turning rolls, 13-4 pins fixed plate, 14- pins
Follow closely extracting tool, 15- cylindrical furnaces, 16- manhole doors, 17- heat-barrier materials.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As Figure 1-Figure 5, a kind of multihearth hollow shaft structure, including hollow shaft 6, rake arms 7, rake teeth 8, rake arms 7 pass through
Rake arms pin 9 is connected with hollow shaft 6, and rake teeth 8 is arranged on the slideway of the bottom of rake arms 7, passes through the rake teeth pin 10 of the end of rake arms 7
Positioning；Also include frequency control motor 1, reductor 2, cone pinion 3, large bevel gear 4, the lower shaft 5 and large bevel gear of hollow shaft 6
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 the multihearth involved by the utility model, a multihearth is by more piece hollow shaft 6
It is composed in series, hollow shaft 6 is driven by drive device, it is to drive rake arms 7 to rotate that it, which is acted on, the motion of material is hollow by rotating
The raking of rake teeth 8 is equipped with come what is realized on the furnace wall of every layer of siege of cylindrical furnace 15 in the rake arms 7 stretched out on axle 6
Several manhole doors 16, for maintenance rake arms 7, rake teeth 8 and the observation working of a furnace.
See Fig. 2-Fig. 4, hollow shaft 6 is made up of some assemblnig sections, material is heat-resisting nickel-chromium steel, due to hollow shaft 6
Length it is long, stress is big, therefore in the design on the one hand by hollow shaft outsourcing heat-barrier material 17, to reduce heat radiation, on the other hand
The inside and outside wall thickness of hollow shaft is increased, stability is improved.Drive device is by frequency-conversion and speed-regulation motor 1, reductor 2, small bevel gear
The component combinations such as wheel 3, lower shaft 5 are formed.Frequency control motor 1 by reductor 2 drive cone pinion 3 rotate, cone pinion 3 with
The large bevel gear 4 of the bottom of hollow shaft 6 is engaged, and drives hollow shaft 6 to rotate.
The utility model employs frequency control motor 1 to realize rotational speed regulation in the design, and adjustable range becomes big, saved
The parts such as big belt pulley, small belt pulley, V belt, belt pulley protective cover, simplify structure, make that structure is compacter, close
Reason.
2~4 rake arms 7 have been mounted equidistant in every layer of siege on the axle sleeve of hollow shaft 6.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
Walked in material in raking stove, wearability will get well, so material selection rich chromium cast iron.
Rake teeth 8 is arranged in rake arms 7, is directly contacted with furnace charge, due to continuous raking furnace charge at a certain temperature, therefore rake teeth
8 be easily worn part, during maintenance, and 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 dismantles guide rail 12 from multihearth manhole door 16 extend into multihearth by rake arms, holds rake
The bottom of arm 7.
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 bracket 13-2 other end, 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.
Turning rolls 13-3 two ends 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 following steps：
1) manhole door 16 on multihearth is opened, first removed rake teeth pin 10 by manhole door 16, while by rake teeth 8
Disassembled with pad 11, rake arms is then dismantled into guide rail 12 from manhole door 16 stretches into multihearth, 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 into multihearth, rake arms 7
Lower section, makes the pin-and-hole on pin fixed plate 13-4 be alignd with the rake teeth pin hole in rake arms 7, from manhole door 16 by rake teeth pin 10
Pin hole is inserted, rake arms 7 is connected with rake arms extracting tool 13 by rake teeth pin 10；
3) pin extracting tool 14 is sent into multihearth, the rake arms pin 9 for connecting rake arms 7 and hollow shaft 6 is taken out, departed from
The rake arms 7 of hollow shaft 6 is held by rake arms extracting tool 13, and is connected by rake teeth pin 10, towing rake arms extracting tool 13
Handle 13-1 takes out rake arms 7 along rake arms dismounting guide rail 12.
During rake arms pin 9 is dismantled, because the support of rake arms extracting tool 13 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 is slided, and rake arms 7 is taken out of from manhole door 16.Inverse operations is carried out during installation.
Claims (4)
1. a kind of multihearth hollow shaft structure, including hollow shaft, rake arms, rake teeth, rake arms are connected by rake arms pin with hollow shaft,
Rake teeth is arranged on the slideway of rake arms bottom, 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 shaft 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 dismantles guide rail from multihearth manhole door extend into multihearth by rake arms, holds rake arms bottom.
3. a kind of extracting tool of the rake arms rake teeth 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. a kind of extracting tool of the rake arms rake teeth 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, and pin-and-hole is provided with pin fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720085475.4U CN206504338U (en) | 2017-01-23 | 2017-01-23 | A kind of extracting tool of multihearth hollow shaft structure and rake arms rake teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720085475.4U CN206504338U (en) | 2017-01-23 | 2017-01-23 | A kind of extracting tool of multihearth hollow shaft structure and rake arms rake teeth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206504338U true CN206504338U (en) | 2017-09-19 |
Family
ID=59834368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720085475.4U Active CN206504338U (en) | 2017-01-23 | 2017-01-23 | A kind of extracting tool of multihearth hollow shaft structure and rake arms rake teeth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206504338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594755A (en) * | 2017-01-23 | 2017-04-26 | 中冶焦耐(大连)工程技术有限公司 | Hollow shaft structure of multi-layer furnace as well as dismounting tool and dismounting method for rabble arm and rabble teeth |
-
2017
- 2017-01-23 CN CN201720085475.4U patent/CN206504338U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594755A (en) * | 2017-01-23 | 2017-04-26 | 中冶焦耐(大连)工程技术有限公司 | Hollow shaft structure of multi-layer furnace as well as dismounting tool and dismounting method for rabble arm and rabble teeth |
| CN106594755B (en) * | 2017-01-23 | 2019-01-11 | 中冶焦耐(大连)工程技术有限公司 | A kind of extracting tool and method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206504338U (en) | A kind of extracting tool of multihearth hollow shaft structure and rake arms rake teeth | |
| CN106594755B (en) | A kind of extracting tool and method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure | |
| CN206244852U (en) | A kind of easy aluminium slag retracting device | |
| CN209205857U (en) | A kind of special equipment for clearing up high-temperature alloy steel ingot mould | |
| CN105043110B (en) | Vertical feeding-discharging machine and the burning equipment with the vertical feeding-discharging machine | |
| WO2023160062A1 (en) | Half-ring slag dragging device | |
| CN115475786A (en) | Ladle cleaning machine for aluminum electric heating | |
| CN214694315U (en) | Automatic temperature control rotary furnace for aluminum slag treatment | |
| CN210458315U (en) | Novel aluminum ash recovery furnace | |
| CN211169866U (en) | Combined type phosphoric acid method activated carbon production rotary kiln | |
| CN104014775A (en) | Vertical type steel ladle roaster | |
| CN1876762A (en) | Horizontal rotating carbonization furnace | |
| CN114438439A (en) | Industrial carburizing furnace | |
| CN207797067U (en) | A kind of water-cooled waste incinerator of included slag trolley | |
| CN210254229U (en) | Automatic slag raking machine | |
| CN103851921A (en) | Pneumatic grab bucket for holding furnace | |
| CN206247343U (en) | A kind of refuse pyrolysis plant | |
| CN220871419U (en) | Prebaked anode roasting device | |
| CN211394534U (en) | Material pressing device for intermediate frequency furnace | |
| CN207688643U (en) | A kind of boron carbide ingot automatic grabbing device | |
| CN207779096U (en) | A kind of revolution incinerator for rare earth oxide roasting | |
| CN218079234U (en) | Ladle cleaning machine for aluminum electric heating | |
| CN206803749U (en) | Efficient stable agglomerating plant | |
| CN217997283U (en) | Blast furnace gas ash smelting zinc recovery device | |
| CN2478050Y (en) | Cleaner for rotary kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |