CN201148458Y - Zinc metallurgy equipment - Google Patents
Zinc metallurgy equipment Download PDFInfo
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- CN201148458Y CN201148458Y CNU2008200786442U CN200820078644U CN201148458Y CN 201148458 Y CN201148458 Y CN 201148458Y CN U2008200786442 U CNU2008200786442 U CN U2008200786442U CN 200820078644 U CN200820078644 U CN 200820078644U CN 201148458 Y CN201148458 Y CN 201148458Y
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Abstract
The utility model discloses zinc smelting equipment, which comprises a smelting furnace used to smelt zinc concentrate into smelt for ingot casting, a blast furnace used to smelt the ingot to make the zinc in the ingot become zinc vapor, and a condensing separator. A furnace gas inlet of the condensing separator is connected with a furnace gas discharging opening of the blast furnace. The condensing separator contains liquid lead, so the condensing separator receives the zinc gas from the blast furnace, utilizes the liquid lead to collect the zinc from the zinc gas, and separates the zinc and the lead by cooling the collected zinc to become the liquid zinc and float on the liquid lead. The zinc smelting equipment of the utility model can reduce the air and noise pollution, improve the efficiency, reduce the cost and investment, and effectively utilize the resources and energy.
Description
Technical field
The smelting of the utility model design non-ferrous metal especially relates to a kind of zinc metallurgy equipment.
Background technology
The blast furnace zinc process is original the fifties by melting company of Britain kingdom, therefore often is called ISP method (Imperial smelting process).At present, the whole world adopts 12 countries that have of ISP method zinc metallurgy, and the output of ISP method zinc metallurgy accounts for 14% of Gross World Product.
The flow process of ISP method zinc metallurgy is substantially: at first utilize sinter machine to zinc ore concentrate, flux (as Wingdale), carry out sintering with the mixture of fuel, utilize pulverizer that agglomerate is pulverized then, then, agglomerate after pulverizing is sieved, and the satisfactory agglomerate of granularity is sent into blast furnace zinc metallurgy, and the undesirable agglomerate of granularity returns sintering again, and once more through pulverizing screening.
Yet there are problems in the zinc metallurgy of traditional drum wind furnace.For example, through pulverizing and screening, only have the granularity of 20% agglomerate to meet the granularity requirements of blast furnace, all the other agglomerate of 80% return and carry out sintering once more, pulverize and screening, thereby have promptly wasted the energy, have also reduced efficient.
In addition, utilize sinter machine that ore is carried out sintering and have many problems, for example, the sound pollution of sinter machine, dust pollution are very big, and lead poisoning takes place easily.
Utilize sinter machine that ore is carried out sintering, invest very big.And, become sulfurous gas behind the sulphur process sinter machine sintering in the ore, still, the content of sulfurous gas in the sinter machine exhaust is little, concentration is low, the relieving haperacidity difficulty, so the rate of recovery of sulphur is low, if be used for relieving haperacidity, can increase the investment and the cost of relieving haperacidity factory greatly.In addition, the content that is discharged into the sinter machine deflated sulfurous gas in the atmosphere is big, causes atmospheric pollution and acid rain.
Thus, for existing blast furnace zinc metallurgy, though sinter machine has been taked many modification measures, effect is bad, can't finely address the above problem.
The utility model content
The purpose of this utility model is intended to one of solve the aforementioned problems in the prior at least.
For this reason, according to an aspect of the present utility model, propose a kind of zinc metallurgy equipment, this zinc metallurgy equipment has been eliminated the problem of using sinter machine to bring, and cost is low, pollutes little.
Zinc metallurgy equipment according to the utility model embodiment comprises: smelting furnace, described smelting furnace are used for that zinc ore concentrate is smelted into melts and are used for ingot bar; Blast furnace, described blast furnace are used for ingot bar is carried out melting so that make the zinc of ingot bar become zinc fume; And condensation separating unit, the furnace gas inlet of described condensation separating unit links to each other with the furnace gas relief outlet of blast furnace, described condensation separating unit accommodates liquid lead, thereby condensation separating unit receives from blast furnace and contains the zinc furnace gas and utilize liquid lead to capture zinc from contain the zinc furnace gas, and makes the zinc liquefy of capture and float over the top of liquid lead so that separation of Zinc and lead by cooling.
Zinc metallurgy equipment according to the utility model embodiment also has following additional technical feature:
Described smelting furnace is the oxygen bottom-blowing stove, and the bottom of this oxygen bottom-blowing stove or sidepiece are provided with the oxygen entrance.The angle α of the axis direction of described oxygen entrance and direction straight down is 0 °≤α≤90 °.
Zinc metallurgy equipment according to the utility model embodiment further comprises washing machine, and described washing machine is used to wash the furnace gas that is rich in carbon monoxide after the dezincification of discharging from condensation separating unit, so that remove the zinc of flue dust and/or collection at large from furnace gas.
Zinc metallurgy equipment according to the utility model embodiment further comprises process furnace, and the furnace gas heating of being rich in carbon monoxide after the described process furnace utilization washing will be sent to the air in the blast furnace.
Zinc metallurgy equipment according to the utility model embodiment further comprises waste heat boiler, and described waste heat boiler is used for reclaiming the heat of the flue gas that smelting furnace discharges.
Described condensation separating unit comprises: condenser, described condenser has flue, scum silica frost extractor and the rotor that contains zinc furnace gas inlet, has furnace gas export, described rotor is used for the liquid lead in the condensation separating unit is stirred into plumbous rain, so that capture the zinc in the furnace gas; Plumbous pump, the inlet of described plumbous pump links to each other with condenser, is used for pumping in condenser the lead that has captured zinc; The cooling chute, the inlet of described cooling chute links to each other with plumbous pump outlet, and described cooling chute be used for to lead be pumped into wherein capture the liquid lead of zinc cool off so that make zinc become liquid state and float over lead above; Separator tank, described separator tank are used to separate liquid zinc and liquid lead, and the inlet of described separator tank links to each other with the outlet of cooling chute and the lead outlet of described separator tank links to each other for plumbous mouthful with advancing of condenser by returning lead bath; With storage zinc groove, the inlet of described storage zinc groove links to each other with the zinc outlet of separator tank, is used for storing and plumbous isolating zinc.
Described condensation separating unit further comprises: fluxo tank, described fluxo tank are arranged between cooling chute and the separator tank, and the inlet of fluxo tank links to each other with the outlet of cooling chute and the outlet of fluxo tank links to each other with the inlet of separator tank; And liquation bath, described liquation bath is arranged between separator tank and the storage zinc groove, and the inlet of liquation bath links to each other with the zinc outlet of separator tank and the zinc outlet of liquation bath links to each other with storage zinc groove.
Thus, compared with prior art, zinc metallurgy equipment of the present utility model has one of following advantage at least:
Eliminated sinter machine according to zinc metallurgy equipment of the present utility model, thoroughly eliminated the problem that sinter machine brings, for example do not needed ore is carried out sintering, pulverize and screening, thereby equipment has been simpler, has reduced dust and sound pollution.
According to zinc metallurgy equipment of the present utility model, utilize smelting furnace to replace sinter machine, reduced dust and sound pollution, pulverizing and screening plant have been eliminated, the ore of smelting furnace melting can pass through ingot bar, all adds in the blast furnace, thereby has reduced the return rate of ore.And, behind ingot bar, can not wait the temperature of ingot bar to reduce, just ingot bar is added in the blast furnace, thereby can save the required energy of blast furnace smelting ingot bar.
According to zinc metallurgy equipment of the present utility model, the sulfur in smoke content height of smelting furnace, concentration is big, therefore can be used for relieving haperacidity, and then reduce the investment and the cost of relieving haperacidity, has reduced the pollution to air.
According to zinc metallurgy equipment of the present utility model, the flue gas of smelting furnace can for example utilize waste heat boiler recovery heat wherein, is used for civilian or production usefulness, has saved the energy.
According to zinc metallurgy equipment of the present utility model, therefore the blast furnace gas of separation of Zinc, can be used in heating and delivers to the interior air of blast furnace, thereby further saved the energy owing to be rich in carbon monoxide, has reduced pollution.
According to zinc metallurgy equipment of the present utility model, by adopting oxygen bottom-blowing stove melting zinc ore concentrate, can carry out melting to ore fully, the efficient of melting is higher, saves the energy more, reduces pollution etc.
Additional aspect of the utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or other aspects of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the oxygen bottom-blowing stove according to the zinc metallurgy equipment of the utility model embodiment;
Fig. 2 is the end view of oxygen bottom-blowing stove shown in Figure 1;
Fig. 3 is the synoptic diagram according to the blast furnace of the zinc metallurgy equipment of the utility model embodiment, refrigerated separation device, washing machine and process furnace;
Fig. 4 is the synoptic diagram according to the waste heat boiler of the zinc metallurgy equipment of the utility model embodiment;
Fig. 5 is the operational flowchart according to the zinc metallurgy equipment of the utility model embodiment;
Fig. 6 is the operational flowchart according to the zinc metallurgy equipment of another embodiment of the utility model; With
Fig. 7 is the operational flowchart according to the zinc metallurgy equipment of the another embodiment of the utility model.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish label is represented components identical.Be used to explain the utility model below by the embodiment that is described with reference to the drawings, described embodiment is exemplary, and can not be interpreted as restriction of the present utility model.
Below referring to the zinc metallurgy equipment of accompanying drawing description according to the utility model embodiment.Zinc metallurgy equipment according to the utility model embodiment comprises smelting furnace 1, blast furnace 2 and condensation separating unit 3.
Smelting furnace 1 is used for that zinc ore concentrate is smelted into melts and is used for ingot bar.Blast furnace 2 is used for ingot bar is carried out melting so that make the zinc of ingot bar become zinc fume.Condensation separating unit 3 receives from blast furnace 2 and contains the zinc furnace gas and utilize liquid lead to capture zinc from contain the zinc furnace gas, and makes the zinc liquefy of capture and float over the top of liquid lead so that separation of Zinc and lead by cooling.
According to the further embodiment of the utility model, zinc metallurgy equipment can also comprise washing machine 6, process furnace 4 and waste heat boiler 7.
Particularly, shown in Fig. 1-4, Fig. 1 shows the smelting furnace 1 of zinc metallurgy equipment, oxygen bottom-blowing stove for example, and smelting furnace 1 comprises charging opening 13, exhanst gas outlet 12, oxygen entrance 11 and discharge outlet 14.
Charging opening 13 is used for adding zinc ore concentrate or zinc lead ore concentrate in smelting furnace 1, and flux, as quartzite.Exhanst gas outlet 12 is used for discharging the high-temperature flue gas that melting produces.Oxygen entrance 11 is used for spraying into oxygen in smelting furnace 1.Discharge outlet 14 is used to give off the melts of zinc ore concentrate and flux.
Will be from the melts ingot bar of discharge outlet 14 discharges, the granularity of ingot bar satisfies the requirement of blast furnace 2.Before ingot bar does not cool off fully, ingot bar and coke are added from blast furnace 2 vertical charging openings.
Fig. 3 shows the blast furnace 2 according to the utility model zinc metallurgy equipment, condensation separating unit 3, washing machine 6 and process furnace 4.
The charging opening place of blast furnace 2 is provided with two bells 21,22.When feeding in raw material (as the coke of ingot bar and heat), bell 21,22 moves up, and as shown in Figure 3, bell 21 is opened charging opening, and bell 22 is isolated the inner chamber of charging opening and blast furnace 2.After reinforced, bell 21,22 moves down, bell 21 sealing charging openings, and charging opening is communicated with the inner chamber of blast furnace 2.The material that adds along bell 22 cloth in blast furnace 2.
The bottom of blast furnace 2 is connected with the nozzle 5 that sprays into hot blast in the inner chamber of blast furnace 2, two nozzles 5 have been shown among Fig. 3, but the utility model is not limited to this, and the quantity of nozzle 5 can be any suitable quantity.
Also be provided with furnace gas relief outlet 25 on the blast furnace 2, contain zinc or zinc lead ore concentrate in blast furnace 2 by melting, zinc wherein becomes gaseous state, thereby and furnace gas discharge from furnace gas relief outlet 25 together, and lead becomes the bottom that liquid state sinks to blast furnace 2, discharges by lead outlet 23.Slag be positioned at plumbous above, discharge by slag-drip opening 24.
As shown in Figure 3, condensation separating unit 3 comprises condenser 31, condenser 31 has flue 32, scum silica frost extractor 38 and the rotor 311 that contains zinc furnace gas inlet 312, has furnace gas export, and rotor 311 is used for the liquid lead in the condensation separating unit 3 is stirred into plumbous rain, so that capture the zinc in the furnace gas.The zinc furnace gas inlet 312 that contains of condenser 31 for example links to each other with the furnace gas relief outlet 25 of blast furnace 2 by pipeline 7, thereby the zinc furnace gas that contains in the blast furnace 2 enters condenser 31 by pipeline 7.
The inlet of the plumbous pump 33 of condensation separating unit 3 links to each other with condenser 31, is used for pumping in condenser 31 lead that has captured the zinc in the furnace gas.
The inlet of the cooling chute 34 of condensation separating unit 3 links to each other with the outlet of plumbous pump 33, cooling chute 34 be used for to lead be pumped into wherein capture the liquid lead of zinc cool off so that make zinc become liquid state and float over plumbous above.
The inlet of the liquation bath 36 of condensation separating unit 3 links to each other with the zinc outlet of separator tank 35, enter in the liquation bath 36 from separator tank 35 with the zinc of plumbous initial gross separation, in liquation bath 36, zinc further separates with the lead that may exist, zinc after the separation enters in the storage zinc groove 37 of condensation separating unit 3, and isolating lead can turn back in the separator tank 35.Thus, finished the melting of zinc.
Contain the zinc furnace gas and in condenser 31, be captured after the zinc, discharge, be rich in carbon monoxide in the furnace gas of discharge by flue 32.The furnace gas that is rich in carbon monoxide of discharging from flue 32 enters washing machine 6, so that remove wherein flue dust and/or the zinc of collection at large, furnace gas after the washing can enter process furnace 4 then, be used to add warm air, and the air of heating can blast in the blast furnace 2 by nozzle 5, thereby resource can access recycle, as shown in Figure 3.Certainly, the furnace gas that is rich in carbon monoxide that obtains also can be used for other purposes.
The basket powder that the scum silica frost that scum silica frost extractor 38 extracts and other devices are collected can be recycled and reused for zinc metallurgy through handling, and this is same as the prior art, repeats no more here.
Other formations of condensation separating unit 3 can be same as the prior art, gives unnecessary details no longer in detail here.
As shown in Figure 4, Fig. 4 shows the waste heat boiler 7 of zinc metallurgy equipment, and waste heat boiler 7 comprises body of heater, advances mouth 71 and smoke outlet 72.Enter the top that mouth 71 is arranged on the exhanst gas outlet 12 of oxygen bottom-blowing stove 1, high-temperature flue gas enters the waste heat boiler body of heater from oxygen bottom-blowing stove 1, through after the heat exchange, discharges from smoke outlet 72.Heat after the exchange can be used for civilian, and for example heating perhaps is used to produce usefulness, for example generating.Other formations of waste heat boiler, the recycle system for example can be same as the prior art, gives unnecessary details no longer in detail here.
Below referring to the operation of Fig. 5-7 description according to the zinc metallurgy equipment of the utility model embodiment.
As shown in Figure 5, show operational flowchart according to the zinc metallurgy equipment of an embodiment of the utility model.At first, zinc ore concentrate and flux are joined in the oxygen bottom-blowing stove 1, so that they are smelted into melts.Melts is discharged oxygen bottom-blowing stove 1 and carried out ingot bar.
Then, ingot bar and coke are joined while drum hot blast in blast furnace 2 in the blast furnace 2, thereby the zinc in the ingot bar becomes steam.For those of ordinary skill in the art, be apparent that coke need be heated to about 800 degrees centigrade before joining blast furnace 2, certainly,, can adopt any suitable means for the preheating of coke.And ingot bar is joining in the blast furnace 2 before the cooling fully, thereby saves the required energy of blast furnace 2 meltings.
Contain the zinc furnace gas and enter condensation separating unit 3 from blast furnace 2, the rotors 311 in the condensation separating unit 3 rotate, thereby the liquid lead of stirring wherein forms " plumbous rain ", utilize plumbous rain to contain zinc in the zinc furnace gas.
Then, the lead that will capture zinc by plumbous pump 33 is pumped in the cooling chute 34, so as cold-trap the liquid lead of zinc, thereby the zinc liquefy and float over liquid lead above.
Separate liquid Zn and liquid lead and enter fluxo tank 310, by suitable flux zinc oxide is become monomer zinc, zinc enters separator tank 35 with lead and separates then, and the zinc after the separation enters liquation bath further to be separated with the lead that may exist, and enters storage zinc groove with the further isolating zinc of lead.Lead after the separation turns back in the condenser 31 by returning lead bath, is recycled and reused in furnace gas and captures zinc.Finished the melting of zinc thus.
Fig. 6 shows the operational flowchart according to the zinc metallurgy equipment of another embodiment of the utility model, as shown in Figure 6, when also containing lead in the ore in joining smelting furnace 1, in blast furnace 2, lead in the ore is sunken to the bottom of blast furnace 2 by melting, the lead of melting is discharged by lead outlet 23, and the slag in the blast furnace 2 is discharged by slag-drip opening 24.Other steps can be with embodiment illustrated in fig. 5 identical.
Fig. 7 shows the operational flowchart according to the zinc metallurgy equipment of the another embodiment of the utility model, and as shown in Figure 7, in condenser 31, the furnace gas of isolating zinc is rich in carbon monoxide, delivers to air in the blast furnace 2 through being used for heating drum after the washing.The high-temperature flue gas that smelting furnace 1 is discharged can utilize waste heat boiler 7 to carry out heat recuperation.Reclaimed in the flue gas of heat and contained the higher sulfurous gas of concentration, can be used for relieving haperacidity, thereby reduced pollution air.Other steps of the operating process of zinc metallurgy equipment shown in Figure 7 can be identical with the operating process of zinc metallurgy equipment shown in Figure 6, gives unnecessary details no longer in detail here.
Thus, according to the utility model, by adopting smelting furnace 1, especially oxygen bottom-blowing stove, to zinc/or the zinc lead ore concentrate carry out melting, carrying out melting, can overcome the problem that conventional sintering brings then, reduce various pollutions by blast furnace 2, reduced cost, and can reuse resource, especially, can easily transform for existing blast furnace zinc metallurgy equipment.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can change, revise and replace that scope of the present utility model is limited by claims and equivalent thereof to these embodiment.
Claims (8)
1, a kind of zinc metallurgy equipment is characterized in that, comprising:
Smelting furnace, described smelting furnace are used for that zinc ore concentrate is smelted into melts and are used for ingot bar;
Blast furnace, described blast furnace are used for ingot bar is carried out melting so that make the zinc of ingot bar become zinc fume; With
Condensation separating unit, the furnace gas inlet of described condensation separating unit links to each other with the furnace gas relief outlet of blast furnace, described condensation separating unit accommodates liquid lead, thereby condensation separating unit receives from blast furnace and contains the zinc furnace gas and utilize liquid lead to capture zinc from contain the zinc furnace gas, and makes the zinc liquefy of capture and float over the top of liquid lead so that separation of Zinc and lead by cooling.
2, zinc metallurgy equipment according to claim 1 is characterized in that, described smelting furnace is the oxygen bottom-blowing stove, and the bottom of this oxygen bottom-blowing stove or sidepiece are provided with the oxygen entrance.
3, zinc metallurgy equipment according to claim 2 is characterized in that, the angle α of the axis direction of described oxygen entrance and direction straight down is 0 °≤α≤90 °.
4, zinc metallurgy equipment according to claim 1, it is characterized in that, further comprise washing machine, described washing machine is used to wash the furnace gas that is rich in carbon monoxide after the dezincification of discharging from condensation separating unit, so that remove the zinc of flue dust and/or collection at large from furnace gas.
5, zinc metallurgy equipment according to claim 4 is characterized in that, further comprises process furnace, and the furnace gas heating of being rich in carbon monoxide after the described process furnace utilization washing will be sent to the air in the blast furnace.
6, zinc metallurgy equipment according to claim 1 is characterized in that, further comprises waste heat boiler, and described waste heat boiler is used for reclaiming the heat of the flue gas that smelting furnace discharges.
7, zinc metallurgy equipment according to claim 1 is characterized in that, described condensation separating unit comprises:
Condenser, described condenser have flue, scum silica frost extractor and the rotor that contains zinc furnace gas inlet, has furnace gas export, and described rotor is used for the liquid lead in the condensation separating unit is stirred into plumbous rain, so that capture the zinc in the furnace gas;
Plumbous pump, the inlet of described plumbous pump links to each other with condenser, is used for pumping in condenser the lead that has captured zinc;
The cooling chute, the inlet of described cooling chute links to each other with plumbous pump outlet, and described cooling chute be used for to lead be pumped into wherein capture the liquid lead of zinc cool off so that make zinc become liquid state and float over lead above;
Separator tank, described separator tank are used to separate liquid zinc and liquid lead, and the inlet of described separator tank links to each other with the outlet of cooling chute and the lead outlet of described separator tank links to each other for plumbous mouthful with advancing of condenser by returning lead bath; With
Storage zinc groove, the inlet of described storage zinc groove links to each other with the zinc outlet of separator tank, is used for storing and plumbous isolating zinc.
8, zinc metallurgy equipment according to claim 7 is characterized in that, described condensation separating unit further comprises:
Fluxo tank, described fluxo tank are arranged between cooling chute and the separator tank, and the inlet of fluxo tank links to each other with the outlet of cooling chute and the outlet of fluxo tank links to each other with the inlet of separator tank; With
Liquation bath, described liquation bath are arranged between separator tank and the storage zinc groove, and the inlet of liquation bath links to each other with the zinc outlet of separator tank and the zinc outlet of liquation bath links to each other with storage zinc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200786442U CN201148458Y (en) | 2008-01-21 | 2008-01-21 | Zinc metallurgy equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200786442U CN201148458Y (en) | 2008-01-21 | 2008-01-21 | Zinc metallurgy equipment |
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| Publication Number | Publication Date |
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| CN201148458Y true CN201148458Y (en) | 2008-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200786442U Expired - Lifetime CN201148458Y (en) | 2008-01-21 | 2008-01-21 | Zinc metallurgy equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492774B (en) * | 2008-01-21 | 2010-04-14 | 中国恩菲工程技术有限公司 | Zinc metallurgy apparatus and process |
| CN103146929A (en) * | 2013-03-29 | 2013-06-12 | 郴州市金贵银业股份有限公司 | Efficient enrichment and recycling technique of valuable metals in lead smelting slags |
| CN103673646A (en) * | 2013-11-30 | 2014-03-26 | 安徽华鑫铅业集团有限公司金铅分公司 | High-humidity regenerated lead smelting off-gas dehumidifying and dedusting device |
-
2008
- 2008-01-21 CN CNU2008200786442U patent/CN201148458Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492774B (en) * | 2008-01-21 | 2010-04-14 | 中国恩菲工程技术有限公司 | Zinc metallurgy apparatus and process |
| CN103146929A (en) * | 2013-03-29 | 2013-06-12 | 郴州市金贵银业股份有限公司 | Efficient enrichment and recycling technique of valuable metals in lead smelting slags |
| CN103673646A (en) * | 2013-11-30 | 2014-03-26 | 安徽华鑫铅业集团有限公司金铅分公司 | High-humidity regenerated lead smelting off-gas dehumidifying and dedusting device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081112 Effective date of abandoning: 20080121 |