CN208733026U - A kind of dry coke quenching coupling limonite, siderite magnetizing roast system - Google Patents
A kind of dry coke quenching coupling limonite, siderite magnetizing roast system Download PDFInfo
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- CN208733026U CN208733026U CN201821155890.3U CN201821155890U CN208733026U CN 208733026 U CN208733026 U CN 208733026U CN 201821155890 U CN201821155890 U CN 201821155890U CN 208733026 U CN208733026 U CN 208733026U
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Abstract
The utility model provides a kind of dry coke quenching coupling limonite, siderite magnetizing roast system, it is produced using coke oven red burnt by red burnt transport vehicle feeding ring type quenching cooling device, with as the exhaust gas of coke oven carry out heat exchange cooling, coke after cooling enters screening plant, screens out coke, char particle and breeze product.The high-temp waste gas that the utility model is generated when cooling in ring type quenching cooling device using hot coke; the magnetizing roast heat source rolled into a ball as ore particle made of limonite, siderite or mine; magnetizing roast treated ore particle or mine group enter cooling device it is cooling after enter back into magnetic plant magnetic separation, select roasting mineral products；The thermal energy discharged when the cooling of quenching cooling device is utilized, solves the high-energy source consumption of independent magnetizing roast mineral, and solves the development and utilization of low-grade iron ore (limonite, siderite etc.) resource.
Description
Technical field
The utility model relates to coal chemical industries and iron ore selecting and smelting technology field, and in particular to a kind of dry coke quenching coupling limonite,
Siderite magnetizing roast system.
Background technique
Chinese coal reserves account accounts for the 12% of worldwide coal resource, and China's low-order coal reserves account accounts for 50% left side of coal reserves
The right side, yield account for the 30% of current total amount.It is seen by the forming age of CHINESE COAL, with Jurassic Coal reserves maximum, accounts for about the whole nation and visited
45% or so of bright reserves, for the coal formed by this epoch in addition to only a few anthracite, most of remaining is lignite, length
The low-order coals such as flame coal, dross coal and weakly caking coal.In Regional Distribution, reserves are largely focused on Inner Mongol, Shaanxi, Xinjiang, sweet
Respectful, Shanxi, six, Ningxia province (area), and these areas are the serious deficient places of China's water resource, are constrained to a certain extent
Processing upgrading industrial expansion, the resource utilization of low-grade poor iron ore (limonite, siderite) are carried out using these low-order coals
It is lower.
Low-order coal is due to high-moisture, high-volatile, low heat value, and easily spontaneous combustion the characteristics of, to be unsuitable for long term storage
And long-distance transportation, it is considered a kind of low-grade coal resource for a long time, is only used as pit-head power station fuel and near coal-mine gasified raw material at present,
Limit the rational exploitation and utilization of low order coal resource.How Efficient Conversion is just important at one of coal utilization using low-order coal
Problem.
Conventional wet coke quenching method is that red burnt temperature is dropped to 300 degree hereinafter, the steam that quenching generates directly is arranged using water spray
It is put into atmosphere, wastes red a large amount of sensible heats of coke, meanwhile, when coke wet quenching, red coke quick refrigeration can be such that coke crackle increases, coke matter
Amount decline, coke moisture fluctuation is larger, is unfavorable for blast furnace ironmaking production.In addition, the entrainment with steam that coke wet quenching generates remains in coke
Corrosive media and a large amount of dust in charcoal pollute environment and air.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of dry coke quenching coupling limonite, siderite Roasting
Burning system realizes the coupling of red parch quenching cooling technology Yu limonite, siderite magnetizing roast technology, production roasting mineral products
Product sufficiently recycle the material waste heat in technique, energy saving.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of dry coke quenching coupling limonite, siderite magnetizing roast system, comprising:
Coke oven, ring type quenching cooling device, screening plant, magnetizing roasting device, cooling device, magnetic plant and dedusting dress
It sets；
The coke oven refines manufactured red coke and send to the thermal material feed inlet of ring type quenching cooling device, and the ring type quenching is cooling
The material outlet of device is connected with the feed inlet of screening plant, the high-temperature gas outlet and magnetizing roast of ring type quenching cooling device
The heat source import of device is connected, and the air intake of ring type quenching cooling device is connected with the waste gas outlet of coke oven；
The discharge port of the screening plant is divided into three tunnels, exports coke, char particle and breeze respectively；
The material outlet of the magnetizing roasting device is connected with the import of cooling device, the waste gas outlet of magnetizing roasting device
It is connected with the air inlet of dust-extraction unit, roasting material is entered by the material inlet of magnetizing roasting device；
The discharge port of the cooling device is connected with the feed inlet of magnetic plant, and the material outlet of the magnetic plant exports roasting
Burn mine；
The waste gas outlet of the dust-extraction unit is connected with the air inlet of exhaust gas fan, the gas vent of exhaust gas fan all the way with
The gas feed of ring type quenching cooling device is connected, and another way is connected emptying with atmosphere.
The utility model, which is used, is processed into ore particle or mine group for raw material (limonite, siderite), is sent to magnetizing roast dress
It sets, carries out dry coke quenching cooling using red burnt sensible heat, heat source of the high-temp waste gas generated when cooling as magnetizing roasting device carries out
Magnetizing roast.Compared with the existing technology, it has the following technical effect that
1, in the way of dry coke quenching, coke quality is significantly improved, improves the mechanical stability of metallurgical coke, reduces simultaneously
Water consumption, reduces the moisture content of coke, also reduces the discharge of harmful substance, protect environment.
2, using the sensible heat of red coke, magnetizing roasting device is entered by the high-temp waste gas that ring type quenching cooling device generates
In to low-grade iron ore carry out magnetizing roast, make full use of thermal energy, saved the energy and reduced costs.
3, using the roasting magnetizing function of magnetizing roasting device, make non-optional low-grade poor iron ore (limonite, sparring
Mine) taste improve become available resources, improve resource utilization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model dry coke quenching couples limonite, siderite magnetizing roast system.
Specific embodiment
A kind of preferred embodiment of the utility model is described in detail with reference to the accompanying drawing.
As shown in Figure 1, the utility model dry coke quenching coupling limonite, siderite magnetizing roast system include:
Coke oven 100, red burnt transfer cart 200, ring type quenching cooling device 300, screening plant 400, magnetizing roasting device
500, cooling device 600, magnetic plant 700 and dust-extraction unit 800.
The discharge port of the coke oven 100 carries out entrucking by the feed inlet of red burnt transfer cart 200, and the red burnt transfer cart is by object
Material is transported to the feed inlet of ring type quenching cooling device 300.
The material outlet of the ring type quenching cooling device 300 is connected with the feed inlet of screening plant 400, and high-temperature gas goes out
Mouth is connected with the heat source import of magnetizing roasting device 500, and air intake is passed through coke oven exhaust gas.
The discharge port of the screening plant 400 is divided into three tunnels, exports coke 410, char particle 420 and breeze 430 respectively.
The material outlet of the magnetizing roasting device 500 is connected with the import of cooling device 600, and waste gas outlet and dedusting fill
Set 800 air inlet be connected, limonite, siderite miberal powder or mine group 510 discharge port and magnetizing roasting device 500 material into
Mouth is connected.
The discharge port of the cooling device 600 is connected with the feed inlet of magnetic plant 700, and the material of magnetic plant 700 goes out
Mouth output roasted ore 710.
The waste gas outlet of the dust-extraction unit 800 is connected with the air inlet of exhaust gas fan 810, the gas of exhaust gas fan 810
Outlet is connected with the gas feed of ring type quenching cooling device 300 all the way, and another way is connected emptying with atmosphere.
In the ring type quenching cooling device, and heat exchange cooling is carried out as the exhaust gas of coke oven, generate high-temp waste gas, benefit
Magnetizing roast is carried out to ore particle or mine group in magnetizing roasting device with this high-temp waste gas, while in order to accelerate cooling effect, being drawn
Enter exhaust gas in dust-extraction unit and participate in cooling, in the way of dry coke quenching, significantly improves coke quality, using the sensible heat of red coke,
It is entered in magnetizing roasting device by the high-temp waste gas that ring type quenching cooling device generates and Roasting is carried out to low-grade iron ore
It burns, makes full use of thermal energy, saved the energy and reduced costs.
The working principle of the utility model is illustrated below:
Coking coal is refined by coke oven 100 at red burnt 101, red coke is delivered to ring type quenching by red burnt transfer cart 200
Cooling device 300, red coke in ring type quenching cooling device with as the exhaust gas of coke oven carry out heat exchange cooling, while in order to add
Fast cooling effect, the exhaust gas 711 after introducing dedusting participate in cooling.Material 301 after cooling enters screening plant 400, it is cooling in
The high-temp waste gas 302 of generation is passed into magnetizing roasting device 500；
Coke after cooling is carried out sieve classification by screening plant 400, screens out coke 410, char particle 420 and breeze 430
Three kinds of products；
High-temp waste gas 302 enter magnetizing roasting device 500 after, to entered by feeding inlet limonite, siderite ore particle or
Mine group 510 carries out magnetizing roast, and the material of roasting 501 after magnetizing roast is sent to cooling device 600, what when magnetizing roast generated
Exhaust gas 502 enters dust-extraction unit 800；
Cooling device 600 send the ore particle cooled down or mine group 601 to magnetic plant 700, and magnetic plant will cool down
Ore particle or mine group 601 carry out magnetic separation, select roasted ore 710；
Exhaust gas after 800 dedusting of dust-extraction unit is recycled by exhaust gas fan 810, and a part of cycle gas 811 is recycled to ring
Formula quenching cooling device 300, the extra exhaust gas 812 of another part are discharged into atmosphere.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (1)
1. a kind of dry coke quenching couples limonite, siderite magnetizing roast system characterized by comprising
Coke oven, ring type quenching cooling device, screening plant, magnetizing roasting device, cooling device, magnetic plant and dust-extraction unit；
The coke oven refines manufactured red coke and send to the thermal material feed inlet of ring type quenching cooling device, the ring type quenching cooling device
Material outlet be connected with the feed inlet of screening plant, the outlet of the high-temperature gas of ring type quenching cooling device and magnetizing roasting device
Heat source import be connected, the air intake of ring type quenching cooling device is connected with the waste gas outlet of coke oven；
The discharge port of the screening plant is divided into three tunnels, exports coke, char particle and breeze respectively；
The material outlet of the magnetizing roasting device is connected with the import of cooling device, the waste gas outlet of magnetizing roasting device with remove
The air inlet of dirt device is connected, and roasting material is entered by the material inlet of magnetizing roasting device；
The discharge port of the cooling device is connected with the feed inlet of magnetic plant, and the material outlet of the magnetic plant exports roasting
Mine；
The waste gas outlet of the dust-extraction unit is connected with the air inlet of exhaust gas fan, the gas vent of exhaust gas fan all the way with ring type
The gas feed of quenching cooling device is connected, and another way is connected emptying with atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155890.3U CN208733026U (en) | 2018-07-20 | 2018-07-20 | A kind of dry coke quenching coupling limonite, siderite magnetizing roast system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821155890.3U CN208733026U (en) | 2018-07-20 | 2018-07-20 | A kind of dry coke quenching coupling limonite, siderite magnetizing roast system |
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| Publication Number | Publication Date |
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| CN208733026U true CN208733026U (en) | 2019-04-12 |
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| CN201821155890.3U Active CN208733026U (en) | 2018-07-20 | 2018-07-20 | A kind of dry coke quenching coupling limonite, siderite magnetizing roast system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841406A (en) * | 2018-07-20 | 2018-11-20 | 新疆乾海环保科技有限公司 | A kind of dry coke quenching coupling limonite, siderite magnetic roasting process and system |
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2018
- 2018-07-20 CN CN201821155890.3U patent/CN208733026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841406A (en) * | 2018-07-20 | 2018-11-20 | 新疆乾海环保科技有限公司 | A kind of dry coke quenching coupling limonite, siderite magnetic roasting process and system |
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