CN108654812A - A kind of waste and old refractory material of steel mill recycles processing technology and system - Google Patents
A kind of waste and old refractory material of steel mill recycles processing technology and system Download PDFInfo
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- CN108654812A CN108654812A CN201810368117.3A CN201810368117A CN108654812A CN 108654812 A CN108654812 A CN 108654812A CN 201810368117 A CN201810368117 A CN 201810368117A CN 108654812 A CN108654812 A CN 108654812A
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- 239000011819 refractory material Substances 0.000 title claims abstract description 58
- 239000002699 waste material Substances 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 81
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 44
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 29
- 239000011777 magnesium Substances 0.000 claims abstract description 29
- 229910052742 iron Inorganic materials 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 37
- 238000003860 storage Methods 0.000 claims description 35
- 239000011236 particulate material Substances 0.000 claims description 20
- 238000005070 sampling Methods 0.000 claims description 14
- 239000013618 particulate matter Substances 0.000 claims description 12
- 230000003628 erosive effect Effects 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 4
- 238000009527 percussion Methods 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000001351 cycling effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000009851 ferrous metallurgy Methods 0.000 abstract description 2
- 238000009628 steelmaking Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 210000000805 cytoplasm Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Processing technology and system are recycled the invention discloses a kind of waste and old refractory material of steel mill, belongs to the technical field of Ferrous Metallurgy, mainly includes the following steps that：Recyclable refractory material is obtained, coarse crushing, preliminary sub-sieve, fine crushing, secondary sub-sieve, iron is removed, content of magnesium detection, standard specimen classification, obtains reworked material, it realizes and waste and old refractory material is recycled, reduce environmental pollution, overcome complex disposal process of the prior art to waste and old refractory material, the higher defect of manufacturing cost, to reach waste and old refractory material after re-working as the steelmaking feed of industrial requirements is met, achieve the purpose that cycling and reutilization.
Description
Technical field
The invention belongs to the technical fields of Ferrous Metallurgy, in particular to a kind of cycle of the waste and old refractory material of steel mill
Utilize processing technology and system.
Background technology
China's steel industry yield is huge, and steel and iron industry needs refractory material number to be used surprising every year, meanwhile, steel
It is industrial also to will produce a large amount of waste and old refractory material every year.
Steel plant's production belongs to high temperature industry, and Industrial Stoves will consume a large amount of refractory material, and refractory material needs
It is replaced in time in periodic time, this certainly will will produce a large amount of waste refractory materials, so as to cause the serious waste of resource；Separately
Outside, refractory materials manufacturing enterprise also will produce a large amount of waste products and refractory waste during producing fire resistive material product.
These are by the not only enormous amount, and extremely difficult processing of the waste refractory materials as rubbish, in addition to only a few can return to production
Outside line recycles, the exemplary process mode of most of waste refractory materials is exactly to bury or degrade to use, generally to refractory material
Abandon or burial is handled, environmental pollution can be caused.Using current processing mode, enterprise not only needs to accumulate or cover with buying
These increasing waste materials are buried, production cost is increased, also result in the significant wastage of resource and serious environmental pollution.
Invention content
In order to solve the above problem of the existing technology, present invention aims at provide a kind of waste and old refractory material of steel mill
Recycle processing technology and system and become after re-working with to reach waste and old refractory material and meet the refinings of industrial requirements
Steel raw material, achievees the purpose that cycling and reutilization.
The technical solution adopted in the present invention is：A kind of waste and old refractory material of steel mill recycles processing technology, mainly
Include the following steps：
1. obtaining recyclable refractory material：It removes inside converter in the waste and old refractory material of irregular sintering shape, stripping
The metamorphic layer and erosion layer of waste and old refractory surface are to obtain recyclable refractory material；
2. coarse crushing：Recyclable refractory material in step 1 is subjected to coarse crushing by the first crusher, after being crushed
The coarse crushing particulate matter of generation；
3. preliminary sub-sieve：Coarse crushing particulate matter is transported to by the first belt conveyor on the first vibrating screen and is sieved
Point, to screen out grain diameter in 12mm particulate materials below, meanwhile, grain diameter is more than to the particulate material of 12mm, by first
Screw conveyor, which returns in the first crusher, to be continued to be crushed；
4. fine crushing：Grain diameter in step 3 is transported in 12mm particulate materials below by the second belt conveyor
In second crusher, the fine crushing particulate matter that is generated after being crushed；
5. two sub-sieves：Fine crushing particulate matter is transported to by third belt conveyor on the second vibrating screen and is sieved
Point, to screen out grain diameter in 5mm particulate materials below, meanwhile, grain diameter is more than to the particulate material of 5mm, by the second spiral shell
Rotation conveyer, which returns in the second crusher, to be continued to be crushed；
6. removing iron：Grain diameter will be screened out in step 5 to transmit by the 4th belt conveyor in 5mm particulate materials below
Iron remover is housed to reworked material storage compartment, and in the top of the 4th belt conveyor；
7. content of magnesium detects：It repeats step 1-6 and the material of different batches is respectively loaded on to different reworked material storage compartments
It is interior, content of magnesium sampling Detection is carried out to the material in reworked material storage compartment；
8. standard specimen is classified：Contingency table is carried out according to the content of magnesium difference of material in reworked material storage compartment different in step 7
Sample is placed the reworked material storage compartment for standard specimen of classifying for use；
9. obtaining reworked material：According to the actual demand to content of magnesium, the material chosen in different reworked material storage compartments is logical
Homogenizer is crossed to be mixed to obtain final reworked material blank.
Further, the top of first crusher and the second crusher is covered with dust suction the cover respectively, and dust suction the cover connects
It is connected to dust collection equipment.
Further, first crusher is jaw crusher, and the second crusher is kibbler roll.
Further, the metamorphic layer of waste and old refractory surface and the method for erosion layer stripping are in the step 1：Using
Artificial iron hammer percussion is rooted out, and by the metamorphic layer of waste and old refractory material and corrodes layer stripping to obtain recyclable refractory material.
Further, the sampling Detection method of content of magnesium is in the step 7：
(1) material for choosing the bottom positioned at reworked material storage compartment, middle level and high level respectively is sampling samples, to sample of sampling
This progress content of magnesium is detected to obtain content value A, content value B and content value C；
(2) content value A, content value B and content value C are averaged to obtain the content of magnesium of material in the reworked material storage compartment
Value.
The present invention also provides a kind of system of processing that recycles of the waste and old refractory material of steel mill, including the first crusher,
First belt conveyor, the first vibrating screen, the second belt conveyor, the second crusher, third belt conveyor, the second vibration
Sieve, the 4th belt conveyor and the 5th belt conveyor, the discharge port of first crusher and the first belt conveyor into
Material mouth connects, and the discharge port of the first belt conveyor connect with the feed inlet of the first vibrating screen, the discharge gate of the first vibrating screen with
Discharge port is connect with the feed inlet of the feed inlet of the first screw conveyor and the second belt conveyor respectively, the first screw conveyor
Discharge port connect with the feed inlet of the first crusher, the feed inlet of the discharge port of the second belt conveyor and the second crusher connects
It connects；The discharge port of second crusher is connect with the feed inlet of third belt conveyor, the discharge port of third belt conveyor
It is connect with the feed inlet of the second vibrating screen, discharge gate and the discharge port charging with the second screw conveyor respectively of the second vibrating screen
Mouth is connected with the feed inlet of the 4th belt conveyor, and the feed inlet of the discharge port of the second screw conveyor and the second crusher connects
It connects, reworked material storage compartment is equipped with below the discharge port of the 4th belt conveyor；The top of 4th belt conveyor is equipped with and removes
Ironware.
Further, it is covered with dust suction the cover, dust suction respectively above the feed inlet of first crusher and the second crusher
The cover is connected with dust collection equipment.
Further, first crusher is jaw crusher, and the second crusher is kibbler roll.
Beneficial effects of the present invention are：
1. the present invention is simple to the treatment process of waste and old refractory material, production cost is low, realizes to waste and old refractory material
Recycle, reduce environmental pollution, overcome the prior art to the complex disposal process of waste and old refractory material, manufacturing cost
Higher defect；By being crushed and twice sieving twice in the present invention, and using iron remover to material carry out except iron store again to
In reworked material storage compartment, the reworked material storage compartment of different batches carries out content of magnesium and detects laggard rower sample classification, in order to basis
Actual demand mixture goes out the satisfactory reworked material of content of magnesium, improves practical value and operability to reworked material, realizes
Waste and old refractory material recycled；
2. being carried out by a large amount of dust that the first crusher of dust collection equipment pair and the second crusher generate in shattering process
Adsorption treatment reduces the dust pollution on the environment generated in whole process；
3. being sampling samples by the material to the bottom of reworked material storage compartment, middle level and high level, and sampling samples are examined
It averages after surveying content of magnesium value, content of magnesium that can be in the accurate response reworked material storage compartment regenerates the later stage
The mixing of material provides good basis.
Description of the drawings
Fig. 1 is the process flow chart for recycling processing technology of the waste and old refractory material of steel mill provided by the invention；
Fig. 2 is the overall structure diagram for recycling system of processing of the waste and old refractory material of steel mill provided by the invention；
Fig. 3 is the schematic diagram in A-A direction of Fig. 2.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further elaborated.
As shown in Figure 1, recycling processing technology the present invention provides a kind of waste and old refractory material of steel mill, include mainly
Following steps：
1. obtaining recyclable refractory material：It removes inside converter in the waste and old refractory material of irregular sintering shape, stripping
The metamorphic layer and erosion layer of waste and old refractory surface are to obtain recyclable refractory material；Waste and old refractory material after converter use
Protoplasm layer, transition zone, metamorphic layer can be divided into and corrode layer.It is examined by laboratoryization, protoplasm layer physical and chemical index does not become
Change, transition zone chemical index does not change, and physical index slightly declines, and the physical and chemical index generation of metamorphic layer and erosion layer is larger
Variation, needs to be removed and then carries out recycling working process to waste and old refractory material；
2. coarse crushing：Recyclable refractory material in step 1 is subjected to coarse crushing by the first crusher 1, is crushed
The coarse crushing particulate matter generated afterwards, wherein above-mentioned recyclable refractory material is fragment that is not of uniform size and being in irregular sintering shape,
Also contain iron tramp in fragment；
3. preliminary sub-sieve：Coarse crushing particulate matter is transported to by the first belt conveyor 2 on the first vibrating screen 4 and is sieved
Point, to screen out grain diameter in 12mm particulate materials below, meanwhile, grain diameter is more than to the particulate material of 12mm, by first
Screw conveyor 3 back to continuing to continue to be crushed in the first crusher 1, repeat again it is broken until grain diameter 12mm with
Under；
4. fine crushing：Grain diameter in step 3 is conveyed in 12mm particulate materials below by the second belt conveyor 5
Into the second crusher 6, the fine crushing particulate matter that is generated after being crushed；
5. two sub-sieves：Fine crushing particulate matter is transported to by third belt conveyor 7 on the second vibrating screen 8 and is sieved
Point, to screen out grain diameter in 5mm particulate materials below, meanwhile, grain diameter is more than to the particulate material of 5mm, by the second spiral shell
Rotation conveyer 9, which returns in the second crusher 6, to be continued to be crushed, and is repeated again broken until grain diameter is in 5mm or less；
6. removing iron：Grain diameter will be screened out in step 5 to pass by the 4th belt conveyor 10 in 5mm particulate materials below
It send to reworked material storage compartment 12, and iron remover 11 is housed in the top of the 4th belt conveyor 10, when particulate material passes through the 4th
During belt conveyor 10 is transmitted, the iron tramp in particulate material can be adsorbed and removed by iron remover 11, be reached
Remove the purpose of iron tramp；
7. content of magnesium detects：It repeats step 1-6 and the obtained material of different batches is respectively loaded on different reworked materials
In storage compartment 12, content of magnesium sampling Detection is carried out to the material in reworked material storage compartment 12；
8. standard specimen is classified：Classified according to the content of magnesium difference of material in reworked material storage compartment 12 different in step 7
Standard specimen places the reworked material storage compartment 12 for standard specimen of classifying for use, i.e., stores content of magnesium value correspondence markings in each reworked material
On storehouse 12；
9. obtaining reworked material：According to the actual demand to content of magnesium, the material in different reworked material storage compartments 12 is chosen
It is mixed by homogenizer to obtain final reworked material blank, the content of magnesium value of reworked material blank passes through mixing
Allotment is to adapt to industrial production demand.And the mixing time of homogenizer be 5min, can fast adaptation go out it is satisfactory
Reworked material blank.
Further to promote the accuracy of reworked material blank, first the material inside reworked material storage compartment 12 can be stirred
It is uniformly mixed, then the material for choosing in different reworked material storage compartments 12 is put into and is mixed into homogenizer.
The top of first crusher, 1 and second crusher 6 is covered with dust suction the cover 13 respectively, and dust suction the cover 13 connects
There is dust collection equipment.The dust suction the cover 13 is located above the feed inlet of the first crusher 1 and the second crusher 6, dust hood
Lid 13 is connect by pipeline with dust collection equipment, and the dust that dust collection equipment carries out in shattering process is sucked between sedimentation, to reduce
Pollution of the dust to environment, preferably, the dust collection equipment uses MF90340 type dust collection equipments.
First crusher 1 be jaw crusher, the second crusher 6 be kibbler roll, select jaw crusher and
Kibbler roll is preferred scheme in the present embodiment, it is also possible to which other kinds of crusher is substituted, such as impact grinding
Machine.
The metamorphic layer of waste and old refractory surface and the method for erosion layer stripping are in the step 1：Using artificial iron hammer
Percussion is rooted out, and by the metamorphic layer of waste and old refractory material and corrodes layer stripping to obtain recyclable refractory material, in the present embodiment
In, it is preferred technical solution to be rooted out metamorphic layer using the percussion of artificial iron hammer and corroded layer, and the cost implemented is relatively low, still,
It is inefficient.Therefore during actual processing, cutter can also be used and carry out machine cuts, promoted to waste and old refractory surface
Treatment effeciency.
The sampling Detection method of content of magnesium is in the step 7：
(1) material for choosing the bottom positioned at reworked material storage compartment 12, middle level and high level respectively is sampling samples, to sampling
Sample carries out content of magnesium detection to obtain content value A, content value B and content value C；Bottom, middle level in reworked material storage compartment 12
It is equipped with sample tap with high-rise corresponding position, sample tap can be sampled taking for sample；
(2) content value A, content value B and content value C are averaged to obtain the magnesium of material in the reworked material storage compartment 12
Content value is the content of magnesium value of material in the reworked material storage compartment 12 with average value.
Preferably, iron remover 11 is equipped in the top of the 4th belt conveyor 10 in the step 6, further to carry
It rises to the adsorption effect of iron tramp, is crossed with material distributing rod 14 above the conveyer belt of the 4th belt conveyor 10, on material distributing rod 14
It is evenly distributed with multiple distribution blocks 15 along its length, distribution block 15 can carry out material loosely, can carry after loose
Rise the impurity-eliminating effect to scum.
As shown in Figure 2 and Figure 3, the present invention also provides a kind of system of processing that recycles of the waste and old refractory material of steel mill, packets
Include the first crusher 1, the first belt conveyor 2, the first vibrating screen 4, the second belt conveyor 5, the second crusher 6, third skin
Band conveyer 7, the second vibrating screen 8, the 4th belt conveyor 10 and the 5th belt conveyor, the discharging of first crusher 1
Mouth is connect with the feed inlet of the first belt conveyor 2, the feed inlet of the discharge port of the first belt conveyor 2 and the first vibrating screen 4
Connection, the discharge gate and discharge port of the first vibrating screen 4 respectively with the feed inlet and the second belt conveyor of the first screw conveyor 3
5 feed inlet connection, the discharge port of the first screw conveyor 3 are connect with the feed inlet of the first crusher 1, the second belt conveyor
5 discharge port is connect with the feed inlet of the second crusher 6；The discharge port of second crusher 6 and third belt conveyor 7
Feed inlet connects, and the discharge port of third belt conveyor 7 is connect with the feed inlet of the second vibrating screen 8, the row of the second vibrating screen 8
Material mouth and discharge port are connect with the feed inlet of the feed inlet of the second screw conveyor 9 and the 4th belt conveyor 10 respectively, and second
The discharge port of screw conveyor 9 is connect with the feed inlet of the second crusher 6, is equipped with below the discharge port of the 4th belt conveyor 10
Reworked material storage compartment 12；The top of 4th belt conveyor 10 is equipped with iron remover 11.Among the above, using the first helical feed
Machine 3 and the second screw conveyor 9, which can be realized, is back to material in the first crusher 1 and the second crusher 6；The vibration
The discharge gate of sieve is to discharge the not material by sieve pore, and feed inlet is the material that discharge has been screened by sieve pore.
It is covered with dust suction the cover 13, dust suction the cover 13 respectively above the feed inlet of first crusher, 1 and second crusher 6
It is connected with dust collection equipment, the dust suction the cover 13 is located above the feed inlet of the first crusher 1 and the second crusher 6, is inhaled
Dust hood lid 13 is connect by pipeline with dust collection equipment, and the dust that dust collection equipment carries out in shattering process is sucked between sedimentation, with
Pollution of the dust to environment is reduced, preferably, the dust collection equipment uses MF90340 type dust collection equipments.
First crusher 1 be jaw crusher, the second crusher 6 be kibbler roll, select jaw crusher and
Kibbler roll is preferred scheme in the present embodiment, it is also possible to which other kinds of crusher is substituted, such as impact grinding
Machine.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is every to fall into the claims in the present invention confining spectrum
Technical solution, be within the scope of the present invention.
Claims (8)
1. a kind of waste and old refractory material of steel mill recycles processing technology, which is characterized in that mainly include the following steps that：
（1）Recyclable refractory material is obtained：It removes in the waste and old refractory material of irregular sintering shape inside converter, stripping is useless
The metamorphic layer and erosion layer of old refractory surface are to obtain recyclable refractory material；
（2）Coarse crushing：Recyclable refractory material in step 1 is subjected to coarse crushing by the first crusher, is produced after being crushed
Raw coarse crushing particulate matter；
（3）Preliminary sub-sieve：Coarse crushing particulate matter is transported to by the first belt conveyor on the first vibrating screen and is sieved,
To screen out grain diameter in 12mm particulate materials below, meanwhile, grain diameter is more than to the particulate material of 12mm, by the first spiral
Conveyer, which returns in the first crusher, to be continued to be crushed；
（4）Fine crushing：Grain diameter in step 3 is transported in 12mm particulate materials below by the second belt conveyor
In sledging machine, the fine crushing particulate matter that is generated after being crushed；
（5）Two sub-sieves：Fine crushing particulate matter is transported to by third belt conveyor on the second vibrating screen and is sieved,
To screen out grain diameter in 5mm particulate materials below, meanwhile, grain diameter is more than to the particulate material of 5mm, by the second spiral transferring
It send machine to return in the second crusher to continue to be crushed；
（6）Iron is removed：Grain diameter will be screened out in step 5 to be sent to by the 4th belt conveyor in 5mm particulate materials below
In reworked material storage compartment, and iron remover is housed in the top of the 4th belt conveyor；
（7）Content of magnesium detects：Step 1-6 is repeated to be respectively loaded on the material of different batches in different reworked material storage compartments,
Content of magnesium sampling Detection is carried out to the material in reworked material storage compartment；
（8）Standard specimen is classified：Classification standard specimen is carried out according to the content of magnesium difference of material in reworked material storage compartment different in step 7,
The reworked material storage compartment for standard specimen of classifying is placed for use；
（9）Reworked material is obtained：According to the actual demand to content of magnesium, the material chosen in different reworked material storage compartments passes through
Homogenizer is mixed to obtain final reworked material blank.
2. the waste and old refractory material of steel mill according to claim 1 recycles processing technology, which is characterized in that described
The top of one crusher and the second crusher is covered with dust suction the cover respectively, and dust suction the cover is connected with dust collection equipment.
3. the waste and old refractory material of steel mill according to claim 1 or 2 recycles processing technology, which is characterized in that institute
It is jaw crusher to state the first crusher, and the second crusher is kibbler roll.
4. the waste and old refractory material of steel mill according to claim 1 recycles processing technology, which is characterized in that the step
The metamorphic layer of waste and old refractory surface and the method for erosion layer stripping are in rapid 1：It is rooted out, will be given up using the percussion of artificial iron hammer
The metamorphic layer and erosion layer of old refractory material are removed to obtain recyclable refractory material.
5. the waste and old refractory material of steel mill according to claim 1 recycles processing technology, which is characterized in that the step
The sampling Detection method of content of magnesium is in rapid 7：
(1) material chosen respectively positioned at the bottom of reworked material storage compartment, middle level and high level is sampling samples, to sampling samples into
Row content of magnesium is detected to obtain content value A, content value B and content value C；
(2) content value A, content value B and content value C are averaged to obtain the content of magnesium value of material in the reworked material storage compartment.
6. a kind of waste and old refractory material of steel mill recycles system of processing, which is characterized in that including the first crusher, the first skin
Band conveyer, the first vibrating screen, the second belt conveyor, the second crusher, third belt conveyor, the second vibrating screen, the 4th
Belt conveyor and the 5th belt conveyor, the discharge port of first crusher and the feed inlet of the first belt conveyor connect
It connects, the discharge port of the first belt conveyor is connect with the feed inlet of the first vibrating screen, the discharge gate and discharge port of the first vibrating screen
It is connect respectively with the feed inlet of the feed inlet of the first screw conveyor and the second belt conveyor, the discharging of the first screw conveyor
Mouth is connect with the feed inlet of the first crusher, and the discharge port of the second belt conveyor is connect with the feed inlet of the second crusher；Institute
The discharge port for stating the second crusher is connect with the feed inlet of third belt conveyor, the discharge port of third belt conveyor and second
The feed inlet of vibrating screen connects, the discharge gate and discharge port of the second vibrating screen respectively with the feed inlet of the second screw conveyor and the
The feed inlet of four belt conveyors connects, and the discharge port of the second screw conveyor is connect with the feed inlet of the second crusher, and the 4th
Reworked material storage compartment is equipped with below the discharge port of belt conveyor；The top of 4th belt conveyor is equipped with iron remover.
7. the waste and old refractory material of steel mill according to claim 6 recycles system of processing, which is characterized in that described
It is covered with dust suction the cover respectively above the feed inlet of one crusher and the second crusher, dust suction the cover is connected with dust collection equipment.
8. the waste and old refractory material of steel mill described according to claim 6 or 7 recycles system of processing, which is characterized in that institute
It is jaw crusher to state the first crusher, and the second crusher is kibbler roll.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109604034A (en) * | 2019-01-28 | 2019-04-12 | 常熟市龙腾特种钢有限公司 | A kind of fuel crushing internal circulation system |
| CN110508593A (en) * | 2019-08-19 | 2019-11-29 | 深圳市新舟生物科技有限公司 | A kind of quick processing equipment of phyteral organic waste and its technique |
| CN111394585A (en) * | 2020-04-22 | 2020-07-10 | 北京中冶设备研究设计总院有限公司 | Gradient utilization treatment process for casting aluminum slag |
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| CN109604034A (en) * | 2019-01-28 | 2019-04-12 | 常熟市龙腾特种钢有限公司 | A kind of fuel crushing internal circulation system |
| CN110508593A (en) * | 2019-08-19 | 2019-11-29 | 深圳市新舟生物科技有限公司 | A kind of quick processing equipment of phyteral organic waste and its technique |
| CN111394585A (en) * | 2020-04-22 | 2020-07-10 | 北京中冶设备研究设计总院有限公司 | Gradient utilization treatment process for casting aluminum slag |
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Application publication date: 20181016 |