CN106594755B - A kind of extracting tool and method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure - Google Patents
A kind of extracting tool and method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure Download PDFInfo
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- CN106594755B CN106594755B CN201710057105.4A CN201710057105A CN106594755B CN 106594755 B CN106594755 B CN 106594755B CN 201710057105 A CN201710057105 A CN 201710057105A CN 106594755 B CN106594755 B CN 106594755B
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- rake
- rake arms
- pin
- arms
- multihearth
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The extracting tool and method for dismounting of a kind of multihearth hollow shaft structure and rake arms rake teeth, hollow shaft structure includes hollow shaft, rake arms, rake teeth, by rake arms pin and hollow axis connection, rake teeth is mounted on the slideway of rake arms bottom, is positioned by the rake teeth pin of rake arms end rake arms；It further include frequency control motor, speed reducer, cone pinion, large bevel gear, the lower shaft of hollow shaft is fixedly connected with large bevel gear, and large bevel gear and cone pinion are intermeshed, and cone pinion connects the drive shaft of frequency control motor by speed reducer.Compared with prior art, the beneficial effects of the present invention are: 1) multihearth key equipment rake arms rake teeth maintenance replacement it is more convenient, quick, to improve production efficiency.2) driving device is compact-sized, saves space, and rotational speed regulation range is big.3) it is suitable for the burning of various sludge garbages.
Description
Technical field
The present invention relates to multihearth fields, more particularly to a kind of disassembly work of the rake arms rake teeth of multihearth hollow shaft structure
Tool and method for dismounting.
Background technique
Multihearth is the equipment for burning municipal refuse, and China's rubbish does not have strict classification, the moisture contained in rubbish
Higher, complicated component, so calorific value is very low, multihearth is suitble to handle moisture content height, the low sludge garbage of calorific value.The furnace of multihearth
Body sets multilayer siege, is divided into dry, preheating, roasting and cooling zone from top to bottom.The vertical hollow shaft in burner hearth center is filled in driving
Under the drive set, rake arms, the rake teeth rotation of each layer siege are driven.Rubbish is added from furnace roof portion, since odd, even several sieges are harrowed in furnace
The orientation of tooth is different, and in stirring under impetus for rake teeth, material successively falls from top to bottom in " S " type, and carrys out spontaneous combustion
The hot fume adverse current of room, which is met, carries out heat exchange.
Existing multihearth technically has some unreasonable places: the ability that siege handles inventory is lower；It is empty
Mandrel works at high temperature, and cools down by divulging information, and effect is undesirable, and tube wall strength is inadequate, and the service life is shorter；Odd number, even number siege
Rake arms on equipped with many rake teeths, since continuous raking furnace charge, rake teeth are easy to damage at a certain temperature, maintenance is relatively tired
Difficulty, large labor intensity；The electromagnetism asynchronous motor of driving device adapted adjustable speed, the diameter by replacing belt pulley realize revolving speed
It adjusts, adjustable range is small；Structure is complicated, maintenance difficult, the thermal efficiency is low, dust contained flue gas of coming out of the stove is more, pollution environment, energy conservation and environmental protection
Property it is poor, the presence of these problems causes the equipment to be gradually suspended replaced furnace, fluidized bed furnace etc., therefore improves its internal structure, drop
The labor intensity of low worker can facilitate, and quickly carry out operation maintenance, increase the service life of internal key equipment,
Have become current trend.
Summary of the invention
The object of the present invention is to provide the extracting tool and method for dismounting of a kind of rake arms rake teeth of multihearth hollow shaft structure,
The structure for simplifying hollow shaft driving device keeps structure more compact, reasonable.Maintenance replacement is more convenient, quick, to improve
Production efficiency.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
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
It connects, rake teeth is mounted on the slideway of rake arms bottom, is positioned by the rake teeth pin of rake arms end；Further include frequency control motor,
The lower shaft of speed reducer, cone pinion, large bevel gear, hollow shaft is fixedly connected with large bevel gear, large bevel gear and cone pinion phase
Mutually engagement, cone pinion connect the drive shaft of frequency control motor by speed reducer.
A kind of extracting tool of the rake arms rake teeth of multihearth hollow shaft structure, including rake arms disassembly guide rail, rake arms dismantle work
Tool, pin extracting tool；Rake arms disassembly guide rail is bolted at the manhole door of multihearth, and rake arms extracting tool passes through rake
Arm disassembly guide rail is extend into multihearth from multihearth manhole door, holds rake arms bottom.
The rake arms disassembly guide rail includes guide rail bracket, guide rail, and guide rail is fixed in guide rail bracket, and spiral shell is provided on 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 hole is equipped in pin fixed plate.
A kind of method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure, includes the following steps:
1) manhole door on multihearth is opened, is first removed rake teeth pin by manhole door, while by rake teeth and gasket
It disassembles, then protrudes into rake arms disassembly guide rail in multihearth from manhole door, and be bolted on multihearth；
2) turning rolls of rake arms extracting tool is sent into multihearth, the lower section of rake arms along rake arms disassembly guide rail, makes pin
Pin hole in nail fixed plate is aligned with the rake teeth pin hole in rake arms, is inserted into pin hole from manhole door by rake teeth pin, is passed through rake
Rake arms and rake arms extracting tool are connected and fixed by alligator nail；
3) pin extracting tool is sent into multihearth, the rake arms pin for connecting rake arms and hollow shaft is taken out, is detached from hollow
The rake arms of axis 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 disassembly guide rail take out.
Compared with prior art, the beneficial effects of the present invention are:
1) the key equipment rake arms rake teeth maintenance replacement of multihearth is more convenient, quick, to improve production efficiency.
2) driving device is compact-sized, saves space, and rotational speed regulation range is big.
3) it is suitable for the burning of various sludge garbages.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multihearth according to the present invention:
Fig. 2 is the structural schematic diagram of hollow mandrel of the present invention and driving device:
Fig. 3 is the top view of Fig. 2:
Fig. 4 is the A direction view of Fig. 3；
Fig. 5 is the structural schematic diagram of rake arms rake teeth:
Fig. 6 is the structural schematic diagram of rake arms disassembly guide rail；
Fig. 7 is the structural schematic diagram of rake arms extracting tool；
Fig. 8 is the structural schematic diagram of pin extracting tool.
Fig. 9 is the disassembly schematic diagram of rake arms
In figure: 1- frequency control motor, 2- speed reducer, 3- cone pinion, 4- large bevel gear, 5- lower shaft, 6- hollow shaft, 7-
Rake arms, 8- rake teeth, 9- rake arms pin, 10- rake teeth pin, 11- gasket, 12- rake arms dismantle guide rail, 12-1 guide rail, 12-2 guide rail
Frame, 12-3 bolt, 13- rake arms extracting tool, 13-1 handle, 13-2 bracket, 13-3 turning rolls, 13-4 pin fixed plate, 14- pin
Follow closely extracting tool, 15- cylindrical furnace, 16- manhole door, 17- heat-barrier material.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
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 connect with hollow shaft 6, and rake teeth 8 is mounted on the slideway of 7 bottom of rake arms, by the rake teeth pin 10 of 7 end of rake arms
Positioning；It further include frequency control motor 1, speed reducer 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 and cone pinion 3 are intermeshed, and cone pinion 3 connects frequency control motor 1 by speed reducer 2
Drive shaft.
See Fig. 1, be the structural schematic diagram of multihearth according to the present invention, a multihearth is connected by more piece hollow shaft 6
Composition, hollow shaft 6 are driven by driving device, and effect is that rake arms 7 is driven to rotate, and the movement of material is by revolving hollow spindle 6
The raking of rake teeth 8 is equipped with several come what is realized on the furnace wall of every layer of siege of cylindrical furnace 15 in the rake arms 7 of upper stretching
A manhole door 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 of several assemblnig sections, and material is heat-resisting nickel-chromium steel, due to hollow shaft 6
Length it is long, stress is big, thus 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.Driving device is by frequency-conversion and speed-regulation motor 1, speed reducer 2, small bevel gear
The component combinations such as wheel 3, lower shaft 5 form.Frequency control motor 1 by speed reducer 2 drive cone pinion 3 rotate, cone pinion 3 with
The large bevel gear 4 of 6 lower part of hollow shaft is engaged, and hollow shaft 6 is driven to rotate.
The present invention uses frequency control motor 1 in the design to realize that rotational speed regulation, adjustable range become larger, and eliminates big
The components such as belt pulley, small belt pulley, V belt, belt pulley protective cover, simplify structure, keep structure more compact, reasonable.
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.The hanging of rake teeth 8 is in the lower section of rake arms 7, main use
It walks in material in raking furnace, wearability will be got well, so material selection rich chromium cast iron.
Rake teeth 8 is mounted 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, when maintenance, by the manhole door 16 on every layer of siege furnace wall of cylindrical furnace 15, is overhauled to rake teeth 8
Replacement.
See that Fig. 6-Fig. 8, a kind of extracting tool of the rake arms rake teeth of multihearth hollow shaft structure, including rake arms dismantle guide rail
12, rake arms extracting tool 13, pin extracting tool 14；Rake arms disassembly 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 into multihearth from multihearth manhole door 16, holds rake
7 bottom of arm.
The rake arms disassembly 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 on 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 the one end bracket 13-2, 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 hole is equipped on pin fixed plate 13-4.
The both ends of turning rolls 13-3 are equipped with idler wheel and guide rail 12-1 cooperation rolls.
Pin extracting tool 14, which is provided with, holds long-armed and disassembly head, and disassembly head is fork shape, and the bottom of fork is with convex
It rises as fulcrum when taking nail, long-armed rake arms pin 9 can be pulled out to disassembly head from the feeding multihearth of manhole door 16 by holding
It rises and removes.
See that Fig. 9, a kind of method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure include the following steps:
1) manhole door 16 on multihearth is opened, is first removed rake teeth pin 10 by manhole door 16, while by rake teeth 8
It disassembles, then protrudes into rake arms disassembly guide rail 12 in multihearth from manhole door 16, and solid by bolt 12-3 with gasket 11
It is scheduled on multihearth；
2) the turning rolls 13-3 of rake arms extracting tool 13 is sent into multihearth along rake arms disassembly guide rail 12, rake arms 7
Lower section is aligned the pin hole on pin fixed plate 13-4 with the rake teeth pin hole in rake arms 7, from manhole door 16 by rake teeth pin 10
It is inserted into pin hole, is connected and fixed rake arms 7 and rake arms extracting tool 13 by rake teeth pin 10；
3) pin extracting tool 14 is sent into multihearth, connection rake arms 7 and the rake arms pin 9 of hollow shaft 6 is taken out, be detached 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 disassembly guide rail 12.
During dismantling rake arms pin 9, due to 13 support of rake arms extracting tool rake arms 7, while rake arms 7 passes through rake teeth
Pin 10 is connected and fixed with rake arms extracting tool 13, can prevent rake arms 7 from falling off, and by towing handle 13-1, makes turning rolls
13-3 follows track 12-1 sliding, rake arms 7 is taken out of from manhole door 16.Inverse operations is carried out when installation.
Claims (2)
1. a kind of extracting tool of the rake arms rake teeth of multihearth hollow shaft structure, the multihearth hollow shaft structure includes hollow
Axis, rake arms, rake teeth, rake arms are mounted on the slideway of rake arms bottom by rake arms pin and hollow axis connection, rake teeth, pass through rake arms
The rake teeth pin of end positions；Further include frequency control motor, speed reducer, cone pinion, large bevel gear, the lower shaft of hollow shaft with
Large bevel gear is fixedly connected, and large bevel gear and cone pinion are intermeshed, and cone pinion connects frequency control electricity by speed reducer
The drive shaft of machine；It is characterized in that,
The extracting tool includes rake arms disassembly guide rail, rake arms extracting tool, pin extracting tool；Rake arms disassembly guide rail passes through spiral shell
Bolt is fixed at the manhole door of multihearth, and rake arms extracting tool dismantles guide rail by rake arms and extend into multilayer from multihearth manhole door
In furnace, rake arms bottom is held；The rake arms disassembly guide rail includes guide rail bracket, guide rail, and guide rail is fixed in guide rail bracket, in guide rail bracket
On be provided with bolt；The rake arms extracting tool includes turning rolls, bracket, handle, pin fixed plate, and turning rolls is fixed on bracket
One end, handle are fixed on the other end of bracket, and pin fixed plate is fixed on the middle part of bracket, and pin is equipped in pin fixed plate
Hole.
2. the method for dismounting of the rake arms rake teeth of multihearth hollow shaft structure is realized using extracting tool described in claim 1,
It is characterized in that, the method for dismounting includes the following steps:
1) manhole door on multihearth is opened, is first removed rake teeth pin by manhole door, while by rake teeth and shim disassembling
Get off, then protrudes into rake arms disassembly guide rail in multihearth from manhole door, and be bolted on multihearth；
2) turning rolls of rake arms extracting tool is sent into multihearth, the lower section of rake arms along rake arms disassembly guide rail, consolidates pin
Pin hole on fixed board is aligned with the rake teeth pin hole in rake arms, is inserted into pin hole from manhole door by rake teeth pin, is passed through rake teeth pin
Rake arms and rake arms extracting tool are connected and fixed by nail；
3) pin extracting tool is sent into multihearth, the rake arms pin for connecting rake arms and hollow shaft is taken out, hollow shaft is detached from
Rake arms is held by rake arms extracting tool, and is connected by rake teeth pin, and the handle of towing rake arms extracting tool is by rake arms along rake
Arm is dismantled guide rail and is taken 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 |
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| Publication Number | Publication Date |
|---|---|
| CN106594755A CN106594755A (en) | 2017-04-26 |
| CN106594755B true CN106594755B (en) | 2019-01-11 |
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| 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 |
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Families Citing this family (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 |
|---|
| 立式多段炉在活性炭再生上的应用;方剑藻;《化工炼油机械通讯》;19800430;第54页至59页 * |
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| CN106594755A (en) | 2017-04-26 |
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