CN206266688U - Copper continuous blowing furnace - Google Patents
Copper continuous blowing furnace Download PDFInfo
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- CN206266688U CN206266688U CN201621274109.5U CN201621274109U CN206266688U CN 206266688 U CN206266688 U CN 206266688U CN 201621274109 U CN201621274109 U CN 201621274109U CN 206266688 U CN206266688 U CN 206266688U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 57
- 239000010949 copper Substances 0.000 title claims abstract description 57
- 238000007664 blowing Methods 0.000 title claims description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011819 refractory material Substances 0.000 claims abstract description 17
- 239000002893 slag Substances 0.000 claims abstract description 14
- 230000004907 flux Effects 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 description 11
- 238000003723 Smelting Methods 0.000 description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000941 bile Anatomy 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及有色金属冶金设备领域，尤其涉及一种铜连吹炉。The utility model relates to the field of nonferrous metal metallurgical equipment, in particular to a copper continuous blowing furnace.
背景技术Background technique
目前，我国铜的火法冶炼、熔炼阶段发展较快，主要有闪速熔炼、熔池熔炼、顶吹熔炼等。而冰铜吹炼技术的发展相对较为滞后，大约85％的冰铜仍采用P-S转炉吹炼。P-S转炉吹炼工艺简单、技术成熟可靠，电解残极可以返回转炉处理，能耗低；缺点是：间歇式作业、吹炼效率低、烟气量波动大、烟气SO2浓度不稳定，吊包子作业和转炉操作过程中经常烟气外溢，形成无组织排放，造成低空污染，环保条件差。为此国内外都在研究开发连续吹炼新工艺取代P-S转炉。At present, the pyrometallurgy and smelting stages of copper in my country have developed rapidly, mainly including flash smelting, molten pool smelting, and top blowing smelting. However, the development of matte converting technology is relatively lagging behind, and about 85% of matte is still converted by PS converter. The PS converter blowing process is simple, mature and reliable, and the electrolytic residual electrode can be returned to the converter for treatment, with low energy consumption; the disadvantages are: intermittent operation, low blowing efficiency, large fluctuating flue gas volume, unstable flue gas SO2 concentration, hanging During steamed bun operation and converter operation, flue gas often overflows, forming unorganized emissions, causing low-altitude pollution and poor environmental protection conditions. For this reason, both at home and abroad are researching and developing a new continuous blowing process to replace the PS converter.
目前，除P-S转炉吹炼外，国内外生产上应用的主要有闪速吹炼和三菱连续炼铜法。但这两种工艺也存在一些弊端。闪速吹炼的缺点是：1)冰铜需要先水淬，再干燥、磨细后，才能进行吹炼作业，工序繁杂，且每道工序均难以保证100％的回收率，都有少量的机械损失；2)液态高温冰铜水淬，其物理热几乎全部损失，水淬固态冰铜的干燥和吹炼过程需要外供热源，热能利用不合理；3)冰铜水淬需用大量水冲，加上干燥、破碎，额外增加了人工及动力消耗，致使吹炼成本增加，能耗明显提升。而三菱连续熔炼法是把铜精矿熔炼、炉渣和冰铜分离、冰铜吹炼、粗铜精炼4台炉子用流槽连接起来，消除了间断作业和传统的用包子装冰铜、炉渣、粗铜，用吊车吊运的模式；但其主要缺点是：1)粒化吹炼渣要干燥，工艺流程较复杂；2)粗铜含硫较高，增加了精炼系统的作业负荷；3)对操作人员的技术水平要求高。At present, in addition to P-S converter blowing, flash blowing and Mitsubishi continuous copper smelting are mainly used in domestic and foreign production. But these two processes also have some disadvantages. The disadvantages of flash blowing are: 1) Matte needs to be quenched in water first, then dried and ground before it can be blown. The procedures are complicated, and each procedure is difficult to guarantee a 100% recovery rate. Mechanical loss; 2) liquid high-temperature matte water quenching, almost all of its physical heat is lost, and the drying and blowing process of water-quenched solid matte requires an external heat source, and the use of heat energy is unreasonable; 3) matte water quenching requires a large amount of Water flushing, coupled with drying and crushing, additionally increases labor and power consumption, resulting in an increase in blowing costs and a significant increase in energy consumption. The Mitsubishi continuous smelting method connects the four furnaces of copper concentrate smelting, slag and matte separation, matte blowing, and blister copper refining with launders, eliminating the need for intermittent operations and the traditional use of buns to pack matte, slag, Blister copper is transported by crane; but its main disadvantages are: 1) The granulated blowing slag needs to be dried, and the process is more complicated; 2) The sulfur content of blister copper is high, which increases the workload of the refining system; 3) High technical requirements for operators.
实用新型内容Utility model content
基于现有技术所存在的问题，本实用新型的目的是提供一种铜连吹炉，能连续操作、工艺流程短、投资少且加工成本低。Based on the existing problems in the prior art, the purpose of this utility model is to provide a copper continuous blowing furnace, which can be operated continuously, has a short process flow, less investment and low processing cost.
本实用新型的目的是通过以下技术方案实现的：The purpose of this utility model is achieved by the following technical solutions:
本实用新型实施例提供一种铜连吹炉，包括：炉缸、位于该炉缸上的炉身和位于炉身上的炉顶；其中，The embodiment of the utility model provides a copper continuous blowing furnace, comprising: a furnace hearth, a furnace body positioned on the furnace hearth, and a furnace roof positioned on the furnace body; wherein,
所述炉缸为采用多层耐火材料砌筑而成的结构体；The furnace hearth is a structure built with multi-layer refractory materials;
所述炉身为由内衬耐火材料层的钢内胆和依次套设在所述钢内胆外的1～3层铜水套构成；The furnace body is composed of a steel liner lined with a refractory material layer and 1 to 3 layers of copper water jackets that are sequentially sleeved outside the steel liner;
所述炉顶由内衬耐火材料的钢水套构成；The furnace roof is composed of a molten steel jacket lined with refractory materials;
所述炉顶上分别设有热冰铜加料口、熔剂加料口、冷料加料口、烟道口、二次风口和观察口，所述热冰铜加料口、熔剂加料口、冷料加料口、烟道口、二次风口和观察口均与所述炉身的钢内胆连通；The furnace top is respectively provided with a hot matte feeding port, a flux feeding port, a cold material feeding port, a flue port, a secondary air port and an observation port, and the hot matte feeding port, the flux feeding port, the cold material feeding port, The flue opening, the secondary tuyere and the observation port are all in communication with the steel liner of the furnace shaft;
所述炉缸有放铜口、放渣口和安全口，所述放铜口和安全口位于炉缸底部，所述放铜口、放渣口和安全口均与所述炉身的钢内胆连通；The furnace hearth has a copper discharge port, a slag discharge port and a safety port. bile connected;
所述炉身上设在最外层的第一层铜水套上设有与所述钢内胆连通的风口，各层铜水套内均设有冷却循环水。The furnace body is arranged on the outermost layer of the first layer of copper water jacket and is provided with tuyeres connected with the steel liner, and each layer of copper water jacket is provided with cooling circulating water.
由上述本发明提供的技术方案可以看出，本发明实施例提供的铜连吹炉，通过采用由炉缸、位于该炉缸上的炉身和位于炉身上的炉顶有机连接构成一种铜连吹炉，可实现连续吹炼操作，而且工艺流程短，投资少，可实现较低加工成本。该铜连吹炉为连续吹炼，所产的烟气量及二氧化硫浓度稳定，有利于制酸作业和降低制酸生产成本，连续作业，降低操作工劳动强度，同时改善现场工作环境。It can be seen from the technical solution provided by the present invention above that the copper continuous blowing furnace provided by the embodiment of the present invention is formed by adopting the organic connection of the hearth, the furnace body on the hearth and the furnace roof on the furnace body to form a copper furnace. The continuous blowing furnace can realize continuous blowing operation, and the process flow is short, the investment is small, and the processing cost can be lowered. The copper continuous blowing furnace is continuous blowing, and the flue gas volume and sulfur dioxide concentration produced are stable, which is beneficial to the acid production operation and reduces the production cost of the acid production. Continuous operation reduces the labor intensity of operators and improves the on-site working environment.
附图说明Description of drawings
为了更清楚地说明本实用新型实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained based on these drawings without creative work.
图1为本实用新型实施例提供的铜连吹炉的主视示意图；Fig. 1 is the front view schematic diagram of the copper continuous blowing furnace that the utility model embodiment provides;
图2为本实用新型实施例提供铜连吹炉的侧视示意图。Fig. 2 is a schematic side view of a copper continuous blowing furnace provided by an embodiment of the utility model.
具体实施方式detailed description
下面结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型的保护范围。The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. . Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.
如图1、2所示，本实用新型实施例提供一种铜连吹炉，包括：炉缸、位于该炉缸上的炉身和位于炉身上的炉顶；其中，As shown in Figures 1 and 2, the utility model embodiment provides a kind of continuous copper blowing furnace, comprising: a furnace hearth, a furnace body positioned on the furnace hearth and a furnace roof positioned on the furnace body; wherein,
所述炉缸为采用多层耐火材料砌筑而成的结构体；The furnace hearth is a structure built with multi-layer refractory materials;
所述炉身为由内衬耐火材料层的钢内胆和依次套设在所述钢内胆外的1～3层铜水套构成；The furnace body is composed of a steel liner lined with a refractory material layer and 1 to 3 layers of copper water jackets that are sequentially sleeved outside the steel liner;
所述炉顶由内衬耐火材料的钢水套构成；The furnace roof is composed of a molten steel jacket lined with refractory materials;
所述炉顶上分别设有热冰铜加料口、熔剂加料口、冷料加料口、烟道口、二次风口和观察口，所述热冰铜加料口、熔剂加料口、冷料加料口、烟道口、二次风口和观察口均与所述炉身的钢内胆连通；The furnace top is respectively provided with a hot matte feeding port, a flux feeding port, a cold material feeding port, a flue port, a secondary air port and an observation port, and the hot matte feeding port, the flux feeding port, the cold material feeding port, The flue opening, the secondary tuyere and the observation port are all in communication with the steel liner of the furnace body;
所述炉缸有放铜口、放渣口和安全口，所述放铜口和安全口位于炉缸底部，所述放铜口、放渣口和安全口均与所述炉身的钢内胆连通；The furnace hearth has a copper discharge port, a slag discharge port and a safety port. bile connected;
所述炉身上设在最外层的第一层铜水套上设有与所述钢内胆连通的风口，各层铜水套内均设有冷却循环水。The furnace body is arranged on the outermost layer of the first layer of copper water jacket and is provided with tuyeres connected with the steel liner, and each layer of copper water jacket is provided with cooling circulating water.
上述铜连吹炉中，炉顶包括：In the above copper continuous blowing furnace, the furnace roof includes:
主炉顶和付炉顶，并列设在所述炉身上；The main furnace roof and the auxiliary furnace roof are arranged side by side on the furnace body;
所述主炉顶上设置所述冷料加料口、烟道口、二次风口和观察口；The cold material feeding port, the flue port, the secondary tuyere port and the observation port are arranged on the main furnace top;
所述付炉顶上设置熔剂加料口、热冰铜加料口，其中，所述热冰铜加料口经进料铜溜槽7与所述炉身的钢内胆连通。A flux feeding port and a hot matte feeding port are arranged on the auxiliary furnace roof, wherein the hot matte feeding port communicates with the steel liner of the furnace body through the feeding copper chute 7 .
上述铜连吹炉中，进料铜溜槽7与水平面的角度为5～25度。In the copper continuous blowing furnace mentioned above, the angle between the feeding copper chute 7 and the horizontal plane is 5-25 degrees.
上述铜连吹炉中，风口距第一层铜水套底部为200～800毫米，鼓风口直径为20～80毫米，风口与第一层铜水套的角度为75～90度。In the copper continuous blowing furnace mentioned above, the distance between the tuyere and the bottom of the first layer of copper water jacket is 200-800 mm, the diameter of the tuyere is 20-80 mm, and the angle between the tuyere and the first layer of copper water jacket is 75-90 degrees.
上述铜连吹炉中，放铜口为虹吸式出口。In the copper blowing furnace mentioned above, the copper outlet is a siphon outlet.
上述铜连吹炉中，炉身由支架支撑，所述支架与炉身之间通过带螺杆组件的调节杆连接，所述炉缸、炉身和炉顶整体设在炉基上。In the copper continuous blowing furnace mentioned above, the furnace body is supported by a support, and the support and the furnace body are connected by an adjusting rod with a screw assembly, and the furnace hearth, furnace body and furnace roof are integrally arranged on the furnace foundation.
下面将结合附图对本实用新型实施例作进一步地详细描述。The embodiment of the utility model will be further described in detail below in conjunction with the accompanying drawings.
如图1至图2所示，本实用新型的铜连吹炉，它包括：炉缸1、炉身2、付炉顶8和主炉顶13。炉缸1采用多层耐火材料砌筑而成，炉缸有放铜口5、放渣口11、安全口6，其中，放铜口5和安全口6位于炉缸底部，放铜口5为虹吸式出口；炉身由1～3层铜水套和一层内衬耐火材料钢板(内衬耐火材料钢板即为钢内胆)组成，风口3设在第一层铜水套上，与钢内胆连通，铜水套内设有冷却水，通过冷却水循环实现冷却，风口3距铜水套底部为200～800毫米，风口直径为20～80毫米，风口与铜水套的角度为75～90度，铜水套通冷却水循环冷却；付炉顶8由内衬耐火材料的钢水套组成，付炉顶包括：熔剂加料口9、热冰铜加料口8，热冰铜加料口8与进料铜溜槽7相接，进料铜溜槽7与水平面的角度为5～25度；主炉顶13由内衬耐火材料的钢水套组成，主炉顶13包括：冷料加料口14、烟道口15、二次风口和观察口等。该铜连吹炉中，设在炉身的上炉体支架10与主炉顶13连接，设在炉身外的放渣溜槽12与放渣口11连接，设在炉缸内的虹吸井16与放铜口5连接，设在炉身外的主风管19经支风管18和风眼三通17与风口3连接。As shown in Figures 1 to 2, the copper continuous blowing furnace of the present utility model comprises: a furnace hearth 1, a furnace body 2, an auxiliary furnace roof 8 and a main furnace roof 13. The furnace hearth 1 is made of multi-layer refractory materials. The furnace hearth has a copper discharge port 5, a slag discharge port 11, and a safety port 6, wherein the copper discharge port 5 and the safety port 6 are located at the bottom of the hearth, and the copper discharge port 5 is Siphon type outlet; the furnace body is composed of 1~3 layers of copper water jacket and a layer of steel plate lined with refractory material (the steel plate lined with refractory material is the steel liner). The inner tank is connected, and cooling water is provided in the copper water jacket, and the cooling is realized by cooling water circulation. The distance between the tuyere 3 and the bottom of the copper water jacket is 200-800mm, the diameter of the tuyere is 20-80mm, and the angle between the tuyere and the copper water jacket is 75~ 90 degrees, the copper water jacket is circulated and cooled by cooling water; the auxiliary furnace roof 8 is composed of a steel water jacket lined with refractory materials, and the auxiliary furnace roof includes: flux feeding port 9, hot matte feeding port 8, hot matte feeding port 8 and inlet The feeding copper chute 7 is connected, and the angle between the feeding copper chute 7 and the horizontal plane is 5 to 25 degrees; the main furnace roof 13 is composed of a molten steel jacket lined with refractory material, and the main furnace roof 13 includes: cold material feeding port 14, flue port 15. Secondary air outlet and observation port, etc. In the copper continuous blowing furnace, the upper furnace body bracket 10 arranged on the furnace body is connected to the main furnace roof 13, the slagging chute 12 arranged outside the furnace body is connected to the slag discharging port 11, and the siphon well 16 arranged in the hearth It is connected with the copper outlet 5, and the main air duct 19 located outside the furnace body is connected with the tuyere 3 through the branch air duct 18 and the air eye tee 17.
上述铜连吹炉还包括支架20，支架与炉身之间通过带螺杆组件的调节杆4连接，支架用于对铜连吹炉进行支撑和加固。还包括炉基，炉缸、炉身和炉顶由支架支撑整体固定在炉基上。The above-mentioned copper continuous blowing furnace also includes a bracket 20, which is connected with the furnace body through an adjustment rod 4 with a screw assembly, and the bracket is used to support and reinforce the copper continuous blowing furnace. It also includes a furnace base, on which the furnace hearth, the furnace body and the furnace roof are integrally fixed by supports.
上述铜连吹炉工作时，熔炼炉所产的冰铜通过进料铜溜槽连续或间断进入铜连吹炉，熔剂通过熔剂加料口连续地进入铜连吹炉，富氧空气通过风口连续鼓入冰铜层，快速生成粗铜、炉渣和二氧化硫气体，粗铜从虹吸口连续或间断放出，炉渣从渣口连续放出，高温烟气从炉顶烟道口连续进入余热锅炉回收余热后进入电收尘送往制酸系统。When the copper continuous blowing furnace mentioned above is working, the matte produced by the smelting furnace enters the copper continuous blowing furnace continuously or intermittently through the feeding copper chute, the flux continuously enters the copper continuous blowing furnace through the flux feeding port, and the oxygen-enriched air is continuously blown in through the tuyeres. The matte layer quickly generates blister copper, slag and sulfur dioxide gas. The blister copper is released continuously or intermittently from the siphon port, the slag is continuously released from the slag port, and the high-temperature flue gas continuously enters the waste heat boiler from the furnace top flue port to recover waste heat and then enters the electric dust collector Sent to the acid system.
铜连吹炉为连续吹炼，所产的烟气量及二氧化硫浓度稳定，有利于制酸作业和降低制酸生产成本，连续作业，降低操作工劳动强度，同时改善现场工作环境。Copper continuous blowing furnace is continuous blowing, and the flue gas volume and sulfur dioxide concentration produced are stable, which is beneficial to the acid production operation and reduces the production cost of acid production. Continuous operation reduces the labor intensity of operators, and at the same time improves the on-site working environment.
以上所述，仅为本实用新型较佳的具体实施方式，但本实用新型的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本实用新型披露的技术范围内，可轻易想到的变化或替换，都应涵盖在本实用新型的保护范围之内。因此，本实用新型的保护范围应该以权利要求书的保护范围为准。The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334667A (en) * | 2018-12-18 | 2020-06-26 | 中国瑞林工程技术股份有限公司 | tailings reduction furnace |
| CN113108597A (en) * | 2021-04-27 | 2021-07-13 | 中国瑞林工程技术股份有限公司 | Side-blown converter |
| CN117190697A (en) * | 2022-05-31 | 2023-12-08 | 赤峰云铜有色金属有限公司 | A top blowing and converting furnace roof structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334667A (en) * | 2018-12-18 | 2020-06-26 | 中国瑞林工程技术股份有限公司 | tailings reduction furnace |
| CN113108597A (en) * | 2021-04-27 | 2021-07-13 | 中国瑞林工程技术股份有限公司 | Side-blown converter |
| CN117190697A (en) * | 2022-05-31 | 2023-12-08 | 赤峰云铜有色金属有限公司 | A top blowing and converting furnace roof structure |
| CN117190697B (en) * | 2022-05-31 | 2025-10-03 | 赤峰云铜有色金属有限公司 | A top structure of a top-blowing converting furnace |
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