CN104726799B - A kind of hot-forming production line of briquette iron by hot molding - Google Patents
A kind of hot-forming production line of briquette iron by hot molding Download PDFInfo
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- CN104726799B CN104726799B CN201510167913.7A CN201510167913A CN104726799B CN 104726799 B CN104726799 B CN 104726799B CN 201510167913 A CN201510167913 A CN 201510167913A CN 104726799 B CN104726799 B CN 104726799B
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Abstract
The present invention relates to a kind of hot-forming production line of briquette iron by hot molding, belong to briquette iron by hot molding hot-press forming device technical field.Technical scheme is: comprise feeding system, rotary kiln, guide feeding-distribution device, burner (9), heat pressing forming machines (12) and finished product conveyer (14), described rotary kiln comprises kiln body (7) and kiln body rotary apparatus (8), kiln body (7) and horizontal plane are provided with angle, kiln body rotary apparatus (8) is fixed in kiln body (7), kiln body (7) is provided with feeding system higher than one end of horizontal plane, the other end is provided with guide feeding-distribution device and burner (9), and guide feeding-distribution device rear is sequentially provided with heat pressing forming machines (12) and finished product conveyer (14).The invention has the beneficial effects as follows: purchase cost is low；Raw material is heated evenly, and heat waste is little, and heating-up temperature is low, has saved the energy, eliminates the impurity in material, thus reaches the purpose purified further, improves product quality.Reduce maintenance of equipment rate.
Description
Technical field
The present invention relates to a kind of hot-forming production line of briquette iron by hot molding, belong to metallurgy industry briquette iron by hot molding hot-press forming device
Technical field.
Background technology
Metallurgy industry, steel-making cooling cold burden typically uses steel scrap, pig, sponge iron, reduced iron, in steel scrap, iron block money
During the anxiety of source, it is also possible to use sintering deposit, pellet, lump ore, dirt mud briquetting.Wherein pig is mainly by useless iron casting
Form.
Chinese Patent Application No. 201310556215.7, discloses a kind of steel-making cooling cold burden and preparation method thereof, this
Steel-making cooling cold burden, in cylinder or cuboid or square or spheroid, chemical composition mass percent: C :≤1.2%, Mn :≤
1.4%, S :≤0.045%, P :≤0.045%, Si :≤0.7%, TFe: >=92%, other is inevitable impurity, apparent density:
≥5.0t/m3。
The preparation method of this steel-making cooling cold burden, comprises following processing step:
(1) raw material: slag is after magnetic separation, screening, and its chemical composition mass percent is: C :≤1.2%, Mn :≤1.4%,
S :≤0.045%, P :≤0.045%, Si :≤0.7%, TFe: >=92%, other is inevitable impurity, and granularity is less than 60mm；
(2) above-mentioned raw materials is put in high temperature kiln and carry out pre-burning, calcined temperature: 200 300 C, it is incubated 8 15 minutes；
(3) raw material after pre-burning is heated in high temperature kiln, heating-up temperature: 800 1100 C；
(4) above-mentioned raw materials that will heat, transport to thermal pressure forming machine carries out thermoforming, forming temperature: 700 1000
C, briquetting pressure: 950 1100t；
Above-mentioned steel-making cooling cold burden and preparation method thereof has a disadvantage in that
(1) material composition requires strict, and the range of choice is narrow, Raw material processing complex process.Raw material is only limitted to use slag warp
Making raw material after magnetic separation, screening, the range of choice is narrow.S in raw material :≤0.045% and P :≤0.045%, cause procurement price more to be come
The highest, product cost raises；
(2) heating-up temperature of raw material is 800 1100 C, and heating-up temperature is high, causes energy resource consumption high；
(3) raw material preheats in high temperature kiln, is incubated, heats, and heat time heating time is long, and production efficiency is low.And raw material is located all the time
In static thermal histories.Raw material is easily heated irregular, and surface oxidation degree is higher, directly affects the molding of steel-making cooling cold burden,
Product fragment is more, reduces product quality.
Summary of the invention
It is an object of the invention to provide a kind of hot-forming production line of briquette iron by hot molding, utilize steel-making splashings, ironmaking splash
Thing, iron cement waste material or other iron-containing waste make raw material, use rotary kiln to heat, make raw material in heating process, no
Disconnected upset, is heated evenly, at the same time it can also be the impurity removed in raw material, it is achieved the further purification to raw material, solve background skill
Problem present in art.
The technical scheme is that
A kind of hot-forming production line of briquette iron by hot molding, comprises feeding system, rotary kiln, guide feeding-distribution device, burner, heat
Pressing machine and finished product conveyer, described rotary kiln comprises kiln body and kiln body rotary apparatus, and kiln body and horizontal plane are provided with angle, kiln
Body rotary apparatus is fixed in kiln body, and kiln body is referred to as kiln tail higher than one end of horizontal plane, and kiln tail is provided with feeding system, and kiln body is less than
One end of horizontal plane is referred to as kiln hood, and kiln hood is provided with guide feeding-distribution device and burner, and guide feeding-distribution device rear is sequentially provided with heat
Pressing machine and finished product conveyer.
Kiln body rotary apparatus in described rotary kiln comprises bull gear and little gear ring, and bull gear is fixed on outside kiln body, greatly
Gear ring engages with little gear ring, little gear ring by reductor with drive motor be connected, described guide feeding-distribution device comprise passage with
Tripper, passage one end connects with the kiln body in rotary kiln, and the other end connects with tripper, and tripper rear is provided with and is hot pressed into
Type machine.
Described feeding system comprises raw material cabin, belt conveyer scale transporter, elevator and tremie pipe, and raw material cabin is located at belt conveyer scale fortune
On defeated machine, belt conveyer scale transporter is connected with elevator, and tremie pipe one end is located on elevator, the other end and the kiln body in rotary kiln
Connection.
The hot-forming production line of above-mentioned briquette iron by hot molding, also comprises heat exchanger and expansion chamber, heat exchanger and expansion chamber in composition
Be located at kiln body one end higher than horizontal plane, i.e. kiln tail, heat exchanger is positioned at above kiln body, and expansion chamber is positioned at below kiln body.
Briquette iron by hot molding in the present invention is to use steel-making splashings, ironmaking splashings, iron cement waste material or other iron content
Waste material is raw material, described steel-making splashings and ironmaking splashings refer to metallurgy industry steel-making or ironmaking processes in, splash goes out
Come material, or steel-making or ironmaking after slag or scum.After magnetic separation, washing, mix homogeneously also adds raw material cabin, warp
Cross after it accurately measures by belt conveyer scale transporter, more boosted machine is crossed tremie pipe and entered in rotary kiln body, rotary kiln
Body is under the driving of rotary kiln kiln body rotary apparatus, by certain rotational speed, makes raw material constantly overturn in rotary kiln, is heated all
Even.Simultaneously as kiln body and horizontal plane are provided with angle, kiln tail is higher than kiln hood, and raw material moves from kiln Caudad kiln hood.Burner passes through
Burner carries out torch firing from kiln hood to kiln tail direction, and partial impurities is brought into expansion chamber precipitation, part kiln tail waste heat warp by kiln tail air inducing
Heat exchanger absorbs and produces hot water, to plant area's heating and bathing.Raw material heating-up temperature is 600 800 C；And it is close to put into kiln hood
Envelope surge bunker, after heat pressing forming machines compressing (forming temperature is 550-750 ° of C) delivered to by passage, tripper, through becoming
Product conveyer is delivered to finished product stock ground, obtains briquette iron by hot molding, uses as steel-making cooling cold burden.Briquette iron by hot molding is cylinder or length
Cube or square or spheroid, its stabilisation Ingredient percent: C :≤2.50%, Mn :≤1.40%, S :≤
0.070%, P :≤0.150%, Si :≤0.70%, TFe: >=90%, other is inevitable impurity, apparent density: >=
5.0t/m3。
The invention has the beneficial effects as follows:
(1) raw material can use steel-making splashings, ironmaking splashings, iron cement waste material or other iron-containing waste, raw material
The range of choice is wide, and purchase cost is low；
(2) raw material uses rotary kiln heating, and in rotary kiln, raw material overturns with the rotation of kiln body, makes raw material composition steady
Fixed, it is heated evenly.Meanwhile, rotary kiln heat waste is little, and heating-up temperature is low, reduces finished product degree of oxidation, has saved the energy, eliminates
Impurity in material, thus reach the purpose purified further, improve product quality；
(3) maintenance of equipment rate is reduced.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is rotary kiln rotary apparatus schematic diagram of the present invention；
Fig. 3 is rotary kiln support means schematic diagram of the present invention；
In figure: raw material cabin 1, belt conveyer scale transporter 2, elevator 3, tremie pipe 4, heat exchanger 5, kiln body support means 6, kiln body
7, kiln body rotary apparatus 8, burner 9, passage 10, tripper 11, heat pressing forming machines 12, expansion chamber 13, finished product conveyer 14,
Gripper shoe 15, bull gear 16, gear ring 17, driving motor 18, wheel belt 19, support roller station 20.
Detailed description of the invention
Below in conjunction with accompanying drawing, by example, the invention will be further described.
1-3 referring to the drawings, a kind of hot-forming production line of briquette iron by hot molding, comprise feeding system, rotary kiln, guide sub-material dress
Put, burner 9, heat pressing forming machines 12 and finished product conveyer 14, described rotary kiln comprises kiln body 7 and kiln body rotary apparatus 8, kiln body
7 are provided with angle with horizontal plane, and kiln body rotary apparatus 8 is fixed in kiln body 7, and kiln body is referred to as kiln tail, kiln higher than one end of horizontal plane
Tail is provided with feeding system, and the subhorizontal one end of kiln body is referred to as kiln hood, and kiln hood is provided with guide feeding-distribution device and burner 9, leads
Material feeding-distribution device rear is sequentially provided with heat pressing forming machines 12 and finished product conveyer 14.
In the present embodiment, the kiln body rotary apparatus 8 in rotary kiln comprises bull gear 16 and little gear ring, and bull gear 16 is fixed
Outside kiln body 7, bull gear 16 engages with little gear ring, and little gear ring is connected, in rotary kiln with driving motor 18 by reductor
Being further fixed on kiln body support means 6 in kiln body, kiln body support means 6 comprises the wheel belt on support roller station 20 and support roller station 20
19, described guide feeding-distribution device comprises passage 10 and tripper 11, and passage 10 one end connects with the kiln body 7 in rotary kiln,
The other end connects with tripper 11, and tripper 11 rear is provided with heat pressing forming machines 12, also comprises heat exchanger 5 and expansion chamber in composition
13, heat exchanger 5 and expansion chamber 13 are located at rotary kiln, and heat exchanger 5 is positioned at above kiln body 7, and expansion chamber 13 is positioned at kiln body 7 times
Side.Described feeding system comprises raw material cabin 1, belt conveyer scale transporter 2, elevator 3 and tremie pipe 4, and raw material cabin 1 is located at belt conveyer scale fortune
On defeated machine 2, belt conveyer scale transporter 2 is connected with elevator 3, and tremie pipe 4 one end is located on elevator 3, in the other end and rotary kiln
Kiln body 7 connect.Described rotary kiln end is additionally provided with sealing surge bunker, and passage 10 connects with sealing surge bunker.Burner 9 wraps
Containing burner, burner carries out torch firing from kiln hood to kiln tail direction.
In the present embodiment, raw material uses steel-making splashings, slag produced from steel-smelting, ironmaking splashings, ironmaking scum, iron cement
Waste material or other iron-containing waste, after magnetic separation, washing, mix homogeneously also adds raw material cabin 1, through belt conveyer scale transporter 2 to it
After accurately measuring, more boosted machine 3 is crossed tremie pipe 4 and is entered in rotary kiln kiln body 7, and rotary kiln kiln body 7 is in rotary kiln kiln body
Under the driving of rotary apparatus, by certain rotational speed, make raw material constantly overturn in rotary kiln, be heated evenly.Simultaneously as kiln
Body 7 and horizontal plane are provided with angle, and kiln tail is higher than kiln hood, and raw material moves from kiln Caudad kiln hood.Burner from kiln hood to kiln tail direction
Carrying out torch firing, partial impurities is brought into expansion chamber 13 by kiln tail air inducing and is precipitated, and part kiln tail waste heat absorbs through heat exchanger 5 and produces heat
Water, to plant area's heating and bathing.Raw material heating-up temperature 600-800 degree, and put into kiln hood sealing surge bunker, through passage
10, tripper 11 deliver to heat pressing forming machines 12 compressing after, be delivered to finished product stock ground through finished product conveyer 14, obtain hot-pressed iron compact
Block, uses as steel-making cooling cold burden.Briquette iron by hot molding is cylinder, its chemical composition mass percent: C :≤2.50%, Mn:
≤ 1.40%, S :≤0.070%, P :≤0.150%, Si :≤0.70%, TFe: >=90%, other is inevitable impurity,
Apparent density: >=5.0t/m3。
Claims (4)
1. the hot-forming production line of briquette iron by hot molding, it is characterised in that comprise feeding system, rotary kiln, guide feeding-distribution device,
Burner (9), heat pressing forming machines (12) and finished product conveyer (14), described rotary kiln comprises kiln body (7) and kiln body rotary apparatus
(8), kiln body (7) and horizontal plane are provided with angle, and kiln body rotary apparatus (8) is fixed in kiln body (7), and kiln body (7) is higher than horizontal plane
One end be provided with feeding system, the other end is provided with guide feeding-distribution device and burner (9), and guide feeding-distribution device rear is sequentially provided with
Heat pressing forming machines (12) and finished product conveyer (14).
The hot-forming production line of briquette iron by hot molding the most according to claim 1, it is characterised in that the kiln body in described rotary kiln
Rotary apparatus (8) comprises bull gear (16) and little gear ring, and bull gear (16) is fixed on kiln body (7) outside, and bull gear (16) is with little
Gear ring engage, little gear ring by reductor with driving motor (18) be connected, described guide feeding-distribution device comprise passage (10) and
Tripper (11), passage (10) one end connects with the kiln body (7) in rotary kiln, and the other end connects with tripper (11), sub-material
Device (11) rear is provided with heat pressing forming machines (12).
The hot-forming production line of briquette iron by hot molding the most according to claim 1, it is characterised in that described feeding system comprises former
Feed bin (1), belt conveyer scale transporter (2), elevator (3) and tremie pipe (4), raw material cabin (1) is located on belt conveyer scale transporter (2),
Belt conveyer scale transporter (2) is connected with elevator (3), and tremie pipe (4) one end is located on elevator (3), in the other end and rotary kiln
Kiln body (7) connection.
4. according to the hot-forming production line of briquette iron by hot molding described in claim 1 or 2 or 3, it is characterised in that composition also comprises
Heat exchanger (5) and expansion chamber (13), heat exchanger (5) and expansion chamber (13) are located at kiln body (7) one end higher than horizontal plane, heat exchanger
(5) being positioned at kiln body (7) top, expansion chamber (13) is positioned at kiln body (7) lower section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510167913.7A CN104726799B (en) | 2015-04-10 | 2015-04-10 | A kind of hot-forming production line of briquette iron by hot molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510167913.7A CN104726799B (en) | 2015-04-10 | 2015-04-10 | A kind of hot-forming production line of briquette iron by hot molding |
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| CN104726799A CN104726799A (en) | 2015-06-24 |
| CN104726799B true CN104726799B (en) | 2016-12-07 |
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| CN106903320A (en) * | 2017-04-25 | 2017-06-30 | 唐山鑫虎重型矿山机械有限公司 | With the equipment of the hot-forming metallurgical raw material metal bloom of waste metal rubbish |
| CN108928034A (en) * | 2017-05-22 | 2018-12-04 | 朱红兵 | Steel pin, steel slag particle steel automatic hot apparatus formation system and forming method |
| CN107775000B (en) * | 2017-10-16 | 2019-04-23 | 宣城市华菱精工科技股份有限公司 | A kind of pair of pouring weight hot press forming technology |
| CN108483055B (en) * | 2018-04-16 | 2024-03-29 | 广西路桥工程集团有限公司 | Cold aggregate on-line screening device of asphalt mixing plant |
| CN109760356B (en) * | 2018-12-27 | 2020-07-17 | 江苏华宏科技股份有限公司 | Full automatic control system of hot pressing bits cake production line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103757152A (en) * | 2014-01-03 | 2014-04-30 | 中冶东方工程技术有限公司 | Method and device for treating steel slag |
| CN104357611A (en) * | 2014-09-29 | 2015-02-18 | 石家庄新华能源环保科技股份有限公司 | Method and device for reduction ironmaking by dividing wall rotary kiln |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5538942A (en) * | 1978-09-11 | 1980-03-18 | Babcock Hitachi Kk | Hot substance transferring apparatus |
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2015
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103757152A (en) * | 2014-01-03 | 2014-04-30 | 中冶东方工程技术有限公司 | Method and device for treating steel slag |
| CN104357611A (en) * | 2014-09-29 | 2015-02-18 | 石家庄新华能源环保科技股份有限公司 | Method and device for reduction ironmaking by dividing wall rotary kiln |
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