CN206751665U - The device of knot stone roller in a kind of automatic pulverizing dead burned magnesia shaft furnace - Google Patents
The device of knot stone roller in a kind of automatic pulverizing dead burned magnesia shaft furnace Download PDFInfo
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- CN206751665U CN206751665U CN201720478609.9U CN201720478609U CN206751665U CN 206751665 U CN206751665 U CN 206751665U CN 201720478609 U CN201720478609 U CN 201720478609U CN 206751665 U CN206751665 U CN 206751665U
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- shaft furnace
- secondary air
- drill steel
- temperature alloy
- stone roller
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Abstract
The utility model discloses the device that stone roller is tied in a kind of automatic pulverizing dead burned magnesia shaft furnace, including shaft furnace body of heater, Secondary Air entrance, secondary air duct, shaft furnace workbench, drive system, hydraulic drive system and mainly it is made up of on shaft furnace workbench with pneumatic crushing system, described pneumatic crushing system air compressor, air accumulator and quartering hammer；Described quartering hammer includes high-pressure cylinder, solenoid directional control valve and high-temperature alloy drill steel, on the workbench of described shaft furnace, the quartering hammer bottom of pneumatic crushing system is provided with slideway, high-temperature alloy drill steel is inserted into stick together to dead burned magnesia knot in vertical kiln body by secondary air channel and crushed, while it is cooled down by Secondary Air.The utility model can adjust broken impulsive force size, attack time and cycle, meet requirement of the furnace discharge conveyer self-emptying to dead burned magnesia lumpiness for caused knot stone roller and outstanding stove degree during different shaft furnaces and the life of different grade dead burned magnesias.
Description
Technical field
It the utility model is related to raw material for refractory production technical field, more particularly to a kind of automatic pulverizing dead burned magnesia
The device of knot stone roller in shaft furnace.
Background technology
Because outstanding stove accident caused by furnace charge knot stone roller is common problem during shaft furnace production reheating magnesia, seriously
Influence burden direct motion.The main reason for furnace charge knot is cut or polish jade with an emery wheel is silica, calcium oxide and iron oxide in raw material and fuel ash be present
Deng impurity, impurity reacts with partial oxidation magnesium under high temperature, generates the mineral such as monticellite, dicalcium ferrite of low melting point
Deng.On the one hand these changes can make raw material produce liquid phase at calcination temperatures and then make the abundant sintering densification of dead burned magnesia；
On the other hand, after dead burned magnesia is by clinkering zone, with the reduction of kiln temperature, caused liquid phase starts condensation-crystallization, weight
Burned magnesium oxide particle mutually bonds the material stone roller formed with high intensity, i.e. knot stone roller.When numerous material stone rollers are interleaved together, reheating oxidation
Magnesium smoothly can not be run downwards, and frame is in shaft furnace cooling zone, the i.e. outstanding stove of generation.Once outstanding stove problem occurs, that is, cause production thing
Therefore must just carry out stopping kiln explosion treatment material stone roller, frame is destroyed, is resumed production.This method, it on the one hand have impact on reheating oxidation
The continuous production of magnesium, reduces the production efficiency of enterprise, and it is difficult and dangerous on the other hand to handle outstanding stove accident.
In order to solve the problems, such as the outstanding stove of dead burned magnesia production process, researcher cuts or polish jade with an emery wheel to furnace charge knot, is former caused by outstanding stove
Reason has done lot of experiments research.Result of study shows：The flex point for the Strength Changes that dead burned magnesia knot sticks together is at 1200 DEG C or so, temperature
The intensity that sticks together of knot is relatively low when degree is higher than 1200 DEG C, especially more than 1400 DEG C when knot stick together and almost there is no intensity.Reason is 1200
When more than DEG C there is a small amount of liquid phase in dead burned magnesia particle surface, and the lubrication that these liquid phases are played between block dead burned magnesia is made
With；When temperature is less than 1000 ~ 1200 DEG C, solidify with the liquid phase reduced in dead burned magnesia of temperature, intensity gradually increases.Cause
This, disposes power breaking device, by the dead burned magnesia in the region in 1000-1200 DEG C of temperature province of dead burned magnesia shaft furnace
Material stone roller continuous crushing can just solve or mitigate dead burned magnesia shaft furnace because furnace charge knot stick together caused by hang stove accident.
The content of the invention
The utility model provides a kind of device of knot stone roller in automatic pulverizing dead burned magnesia shaft furnace, effectively solves reheating oxidation
The outstanding stove problem of knot stone roller in magnesium shaft furnace production process.
The purpose of this utility model is to be achieved through the following technical solutions：
A kind of device of automatic pulverizing magnesite clinker shaft furnace knot stone roller of the utility model, including shaft furnace body of heater, are arranged on shaft furnace
The Secondary Air entrance of lower portion of furnace body, the secondary air duct being arranged on the outside of Secondary Air entrance, is arranged on secondary air duct bottom
Shaft furnace workbench, it is characterised in that：The drive system being made up of motor and reductor is installed on shaft furnace workbench and driven
The hydraulic drive system of dynamic system connection and the pneumatic crushing system being connected with hydraulic drive system, described hydraulic drive system
It is made up of high-pressure oil pump, oil cylinder, piston, high-pressure reversing valve and expansion link；Described pneumatic crushing system is mainly compressed by air
Machine, air accumulator and quartering hammer are formed；Described quartering hammer includes high-pressure cylinder, solenoid directional control valve and high-temperature alloy drill steel,
On the workbench of described shaft furnace, the quartering hammer bottom of pneumatic crushing system is provided with slideway, quartering hammer be placed on slideway with
Slideway is slidably connected；Quartering hammer high-temperature alloy drill steel is inserted into vertical kiln body by secondary air channel and dead burned magnesia knot is sticked together
Crushed, while it is cooled down by Secondary Air.
Preferably, the intraoral porous branch for being respectively provided with support high-temperature alloy drill steel up and down is entered in described Secondary Air
Support.
Preferably, being provided with the junction of described high-temperature alloy drill steel and secondary air duct can prevent Secondary Air from leaking outside
The round hollow heavy wall set rod-type multi-joint telescoping sealing device freely to stretch, the described round hollow heavy wall set freely to stretch
Rod-type multi-joint telescoping sealing device one end at the external port of secondary air duct with being fixedly connected, the other end and high-temperature alloy drill steel
Afterbody is fixedly connected.
Preferably, it is nickel-base alloy in the material of described high-temperature alloy drill steel, a diameter of 60~80mm, high temperature resistant is closed
The head of golden drill steel is in perfectly round cone.
Preferably, it is 300mm in described secondary air duct interior diameter.
A kind of method of automatic pulverizing magnesite clinker shaft furnace knot stone roller of the present utility model is：
1）Four Secondary Air entrances and secondary air duct are provided with the 10m height of ground in shaft furnace；
2）Four secondary air duct bottoms, the armored concrete shaft furnace workbench of the anti-high vibration resistance of construction, in steel
Drive system, hydraulic drive system and pneumatic crushing system, wherein hydraulic drive system are installed on reinforced concrete shaft furnace workbench
Quartering hammer and secondary air duct are in same level in oil cylinder, piston, high-pressure reversing valve, expansion link and pneumatic crushing system in system
Center line；
3）The length of high-temperature alloy hammer drill steel in pneumatic crushing system is 2.7m, and a diameter of 80mm, be stopped shape
During state, high-temperature alloy drill steel 1.1m framves enter in Secondary Air on two intraoral porous supports, the head of high-temperature alloy drill steel
Apart from furnace wall 0.2m, 1.6m is outside secondary air duct in addition；
4）When starting broken every time, start drive system, hydraulic drive system is pushed away by the expansion link being connected with quartering hammer
Dynamic quartering hammer straight line in slideway is moved forward with 2.0cm/s speed, and high-temperature alloy drill steel, which enters in body of heater, crushes what knot sticked together
Dead burned magnesia, crush impact and stop in power after 50~80MPa, motion 1.2m, meanwhile, expansion link is recalled with 4.0/s, is driven
High temperature alloy drill steel returns to initial position out of body of heater, and primary fragmentation work, which comes and goes to amount to, needs 1.5min, is spaced 8.5min
Afterwards, broken work next time is re-started.
The utility model can also be sticked together state according to dead burned magnesia knot in shaft furnace, and broken cycle, crushing hammar drill rod are pushed away
Enter speed, crushing hammar drill rod enters kiln body internal depth, quartering hammer withdraws from the meter that the running parameters such as speed automatically control in input
In calculation machine, the broken cycle of setting.Drive system is connected with control device, hydraulic drive systems force pneumatically crushes when broken
Quartering hammer in system advances in slideway, the high-temperature alloy drill steel being arranged in four overfiren air ports while into body of heater
The dead burned magnesia that sticked together to knot carries out impact type and crushed.Hydraulic drive system is by pneumatic crushing system after completing primary fragmentation work
Quartering hammer is retracted, and high-temperature alloy drill steel is retracted in furnace wall from body of heater.Secondary Air plays cooling effect to high-temperature alloy drill steel,
Ensure high-temperature alloy drill steel normal work under safe temperature.Be repeated according to the broken cycle of setting, realize in kiln compared with
The effect that the dead burned magnesia to stick together is broken is tied greatly.
The beneficial effects of the utility model：The present apparatus is sustainable effectively to impact to dead burned magnesia knot stone roller in shaft furnace
It is broken, it can effectively prevent shaft furnace dead burned magnesia production process from forming outstanding stove, ensure that magnesia is smooth in shaft furnace in production process
It is descending, meet requirement of the furnace discharge conveyer self-emptying to dead burned magnesia lumpiness；It is full automatic continuous to be advantageous to shaft furnace reheating magnesia
Production, improve production efficiency；For caused knot stone roller and outstanding stove journey during different shaft furnaces and the life of different grade dead burned magnesias
Degree, broken impulsive force size, attack time and cycle are can adjust, adapts to various processes system；The present apparatus utilizes Secondary Air
Passage of the mouth as high-temperature alloy drill steel, device structure is simple, manufacturing cost is honest and clean, operating cost is low.
Brief description of the drawings
Fig. 1 is a kind of apparatus structure schematic diagram of knot stone roller in automatic pulverizing dead burned magnesia shaft furnace.
In figure：1- drive systems, 2- hydraulically extensible systems, 3- expansion links, the pneumatic crushing systems of 4-, the round hollow heavy walls of 5-
Cover rod-type sealing device, 6- quartering hammer high-temperature alloy drill steels, 7- porous supporters, 8- furnace walls, 9- secondary air ducts, 10-
Secondary Air entrance, 11- quartering hammers, 12- slideways, 13- shaft furnace workbenches.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of device of automatic pulverizing magnesite clinker shaft furnace knot stone roller of the utility model, including shaft furnace body of heater,
The Secondary Air entrance 10 of shaft furnace lower portion of furnace body is arranged on, the secondary air duct 9 in the outside of Secondary Air entrance 10 is arranged on, is arranged on two
The shaft furnace workbench 13 of secondary wind pipeline bottom, it is characterised in that：Installation is by motor and reductor on shaft furnace workbench 13
The drive system 1 of composition, the hydraulic drive system 2 being connected with drive system 1 and it is connected with hydraulic drive system 2 pneumatic broken
System 4, drive system 1 are mainly used in driving and worked according to the programme-control hydraulic drive system of setting and pneumatic breaker；
Described hydraulic drive system 2 is made up of high-pressure oil pump, oil cylinder, piston, high-pressure reversing valve and expansion link 3；Described is pneumatic broken
Broken system is mainly made up of air compressor, air accumulator and quartering hammer 11；Described quartering hammer 11 includes high-pressure cylinder, electromagnetism
Reversal valve and high-temperature alloy drill steel 6, on the workbench 13 of described shaft furnace, the bottom of quartering hammer 11 of pneumatic crushing system
Provided with slideway 12, quartering hammer 11 is placed on slideway 12 and is slidably connected with slideway 12；Quartering hammer high-temperature alloy drill steel 6 is by secondary
Airduct 9 is inserted into vertical kiln body to stick together to dead burned magnesia knot and crushed, while it is cooled down by Secondary Air, described in it
Secondary air duct interior diameter is 300mm.Hydraulic drive system 2, which undertakes, to be promoted the quartering hammer unit in pneumatic crushing system, removes
Return；Pneumatic crushing system mainly undertakes the dead burned magnesia that sticked together to knot and crushes work.
The utility model is respectively provided with support high-temperature alloy drill steel 6 up and down in described Secondary Air entrance 10
Open support frame 7.When high-temperature alloy drill steel 6 is withdrawn from out of vertical kiln body, shaft furnace is retracted on the head of high-temperature alloy drill steel 6
After the furnace wall 8 of body of heater, open support frame 7 is ridden over, it is ensured that the not bending of high-temperature alloy drill steel 6.
The utility model is secondary provided with that can prevent in the junction of described high-temperature alloy drill steel 6 and secondary air duct 9
The round hollow heavy wall set rod-type multi-joint telescoping sealing device 5 freely to stretch of wind leakage, the described round sky freely to stretch
Heart heavy wall covers rod-type multi-joint telescoping sealing device end with being fixedly connected at the external port of secondary air duct 9, the other end and high temperature resistant
The afterbody of alloy drill steel 6 is fixedly connected.A diameter of 60~80mm of described high-temperature alloy drill steel 6, high-temperature alloy drill steel 6
Head is in perfectly round cone.Round hollow heavy wall set rod-type multi-joint telescoping sealing device 5 with high-temperature alloy drill steel 6 into and out of
And stretch out or shrink, prevent high-pressure blast from being sprayed from the rear port of secondary air duct 9.
Drive system 1 controls the expansion link 3 of hydraulic telescopic device 2 to promote quartering hammer 4 to carry out straight line on slideway 12 and come and gone
Motion.Meanwhile the high-temperature alloy drill steel 6 on the internal porous support frame 7 of secondary air duct 9, in the secondary air duct of furnace wall 8
Straight line back and forth movement is carried out in 9.Multi-joint telescoping sealing device 5 is a kind of hollow heavy wall loop bar of more piece that can freely stretch, its
Afterbody is fixed at the port of secondary air duct 9, and head is fixedly connected with the afterbody of drill steel 6.
When the motor load electric current of one of 4 hydraulic feed devices is beyond design maximum current, 4 hydraulic pressure pushing systems are certainly
It is dynamic to close, prevent from burning due to motor overload.Change by manually controlling 4 quartering hammers to advance repeatedly, retreat, until normal
Worked again according to program setting afterwards.
Claims (5)
1. a kind of device of automatic pulverizing magnesite clinker shaft furnace knot stone roller, including shaft furnace body of heater, are arranged on the two of shaft furnace lower portion of furnace body
Secondary wind entrance, the secondary air duct being arranged on the outside of Secondary Air entrance, the shaft furnace workbench of secondary air duct bottom is arranged on,
It is characterized in that the drive system being made up of motor and reductor, the liquid being connected with drive system are installed on shaft furnace workbench
Pressure moving system and the pneumatic crushing system being connected with hydraulic drive system, described hydraulic drive system is by high-pressure oil pump, oil
Cylinder, piston, high-pressure reversing valve and expansion link composition；Described pneumatic crushing system mainly by air compressor, air accumulator and is broken
Broken hammer is formed；Described quartering hammer includes high-pressure cylinder, solenoid directional control valve and high-temperature alloy drill steel, in described shaft furnace
On workbench, the quartering hammer bottom of pneumatic crushing system is provided with slideway, and quartering hammer is placed on slideway and is slidably connected with slideway；It is broken
Broken hammer high-temperature alloy drill steel is inserted into stick together to dead burned magnesia knot in vertical kiln body by secondary air channel to be crushed, while according to
It is cooled down by Secondary Air.
2. the device of automatic pulverizing magnesite clinker shaft furnace knot stone roller according to claim 1, it is characterised in that described two
Secondary wind enters the intraoral open support frame for being respectively provided with support high-temperature alloy drill steel up and down.
3. the device of automatic pulverizing magnesite clinker shaft furnace knot according to claim 1 stone roller, it is characterised in that described resistance to
The junction of high temperature alloy drill steel and secondary air duct is provided with the round hollow heavy wall freely to stretch that can prevent that Secondary Air from leaking outside
Cover rod-type multi-joint telescoping sealing device, described round hollow heavy wall set rod-type multi-joint telescoping sealing device one end freely stretched
It is fixedly connected with the external port of secondary air duct, the other end is fixedly connected with high-temperature alloy drill steel afterbody.
4. the device of automatic pulverizing magnesite clinker shaft furnace knot according to claim 1 stone roller, it is characterised in that described resistance to
The material of high temperature alloy drill steel is nickel-base alloy, and a diameter of 60~80mm, the head of high-temperature alloy drill steel is in perfectly round cone.
5. the device of automatic pulverizing magnesite clinker shaft furnace knot stone roller according to claim 1, it is characterised in that described two
Secondary wind pipeline interior diameter is 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720478609.9U CN206751665U (en) | 2017-05-03 | 2017-05-03 | The device of knot stone roller in a kind of automatic pulverizing dead burned magnesia shaft furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720478609.9U CN206751665U (en) | 2017-05-03 | 2017-05-03 | The device of knot stone roller in a kind of automatic pulverizing dead burned magnesia shaft furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206751665U true CN206751665U (en) | 2017-12-15 |
Family
ID=60616413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720478609.9U Withdrawn - After Issue CN206751665U (en) | 2017-05-03 | 2017-05-03 | The device of knot stone roller in a kind of automatic pulverizing dead burned magnesia shaft furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206751665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915909A (en) * | 2017-05-03 | 2017-07-04 | 辽宁科技大学 | The device and method of knot stone roller in a kind of automatic pulverizing dead burned magnesia shaft furnace |
-
2017
- 2017-05-03 CN CN201720478609.9U patent/CN206751665U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915909A (en) * | 2017-05-03 | 2017-07-04 | 辽宁科技大学 | The device and method of knot stone roller in a kind of automatic pulverizing dead burned magnesia shaft furnace |
| CN106915909B (en) * | 2017-05-03 | 2019-08-02 | 辽宁科技大学 | A kind of device and method of the interior knot stone roller of automatic pulverizing dead burned magnesia shaft furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171215 Effective date of abandoning: 20190802 |
|
| AV01 | Patent right actively abandoned |