CN201778088U - Oxygen-bottom-blowing silver-smelting furnace - Google Patents
Oxygen-bottom-blowing silver-smelting furnace Download PDFInfo
- Publication number
- CN201778088U CN201778088U CN2010202427649U CN201020242764U CN201778088U CN 201778088 U CN201778088 U CN 201778088U CN 2010202427649 U CN2010202427649 U CN 2010202427649U CN 201020242764 U CN201020242764 U CN 201020242764U CN 201778088 U CN201778088 U CN 201778088U
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- oxygen
- cylindrical tube
- bottom blowing
- stove
- silver
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Abstract
The utility mode relates to an oxygen-bottom-blowing silver-smelting furnace, which is a cylindrical converter capable of rotating at a certain angle along the horizontal central line. The converter includes a horizontal cylindrical body, a rolling ring sleeved outside the horizontal cylindrical body is installed on a seat supporting roller, a base is arranged at the lower end of the cylindrical body, and a drive mechanism is fixed on the base; a noble lead inlet, a slag hole, a burner hole and an alloy outlet are respectively arranged at two ends of the cylindrical body, and a smoke outlet is arranged on the cylindrical body; and at least one oxygen nozzle communicated with the internal side of the cylinder is fixed at the bottom of the cylindrical body. The oxygen-bottom-blowing silver-smelting furnace provided by the utility model is an airtight furnace type, reduces heat loss, avoids gas leakage, and improves the working environment; the furnace temperature becomes more stable, so that the service life of refractory material is prolonged; the refining period is shortened, and the production cost is reduced; and the oxygen-bottom-blowing silver-smelting furnace has a simple structure, is convenient to manufacture and implement and requires low system investment.
Description
One, technical field:
The utility model belongs to the precious metal smelting technical field of non-ferrous metal metallurgy industry, particularly relates to a kind of oxygen bottom blowing and divides silver stove.
Two, background technology:
Mainly contain elements such as gold and silver, antimony, bismuth, lead, copper, arsenic in the lead anode slurry.The tradition thermal process adopts the anode sludge to be interrupted and enters the precious metals containing lead that the retailoring of precious metals containing lead stove obtains containing gold and silver, precious metals containing lead carries out oxidation refining through refining furnace (advance precious metals containing lead mouth, slag notch, go out alloy, smoke outlet is a same outlet) stove one stove again, and output electrum plate send silver-colored electrolysis.The shortcoming that refining furnace exists in the tradition thermal process is: one, refining furnace is converter, advances precious metals containing lead mouth, slag notch, goes out alloy, smoke outlet is same outlet, and stove frequently rotates in operation, and flue gas escapes seriously, and environment protecting is poor; Two, adopt pressurized air to carry out the top blast refining, oxidation rate is slow, and refining cycle is long, refining production cost height; Three, difference variation is bigger in the refining process, and each stove enter from initial precious metals containing lead 600～700 ℃ is to 1200～1300 ℃ of output alloy sheets, a stove one stove temperature variation of going round and beginning again, and refractory life is short.
Three, utility model content:
The utility model is to overcome the deficiency that prior art exists, and designs and produces a kind of oxygen bottom blowing and divide silver stove.
Technical scheme:
A kind of oxygen bottom blowing divides silver stove, it is a kind of round shape converter that can do the certain angle rotation along horizontal center line, converter comprises horizontal cylindrical tube, these cylindrical tube two ends are installed on the base support roller by the rolling ring of its outside suit, be provided with base in the cylindrical tube lower end and be fixed with driving mechanism on this base, the output shaft of described driving mechanism is by driving gear and the gear ring coupling engagement that is fixed on the cylindrical tube sidewall; Be respectively equipped with into precious metals containing lead mouth, slag notch, burner mouth at the two ends of described cylindrical tube and go out the alloy mouth, be provided with smoke outlet in the cylindrical tube upper end; Be fixed with at least one oxygen lance that is communicated in the cylindrical shell inboard in described cylindrical tube bottom.
Described oxygen lance is provided with mounting flange, and this mounting flange and cylindrical tube bottom profile coupling also are fixed together.
Described driving mechanism comprises motor, step-down gear, and speed reducer output shaft is connected with gear shaft by shaft coupling.
Support roller is installed in respectively on the corresponding support roller base.
Described cylindrical tube comprises shell and liner, and shell is a steel plate, inner lining refractory.
During ordinary production, stove (cylindrical tube) does not rotate, and stove bottom or bottom side dispose 1～3 spray gun that sprays into oxygen, and spray gun and vertical line angle are 0～30 °, when needing replacing spray gun or stove to break down, stove rotates 0 °～90 ° operations of being correlated with.
The beneficial effects of the utility model:
1, to divide silver stove be a kind of airtight type of furnace to oxygen bottom blowing of the present utility model, reduced calorific loss, avoided gas to escape, and improved operating environment;
2, oxygen bottom blowing of the present utility model divides silver stove to change the interruption operation for working continuously, and makes furnace temperature more stable, has prolonged refractory life.
4, oxygen bottom blowing of the present utility model divides silver stove that independently slag notch, opening for feed, alloy outlet, smoke outlet are arranged, avoided the frequent rotation of stove during ordinary production, in the work-ing life that has reduced the power consumption of transmission mechanism and improved transmission mechanism, effectively saved cost;
5, oxygen bottom blowing of the present utility model divides the spray gun flange that silver stove has been equipped with the fixed gases spray gun, owing to spray into the effect of oxygen in the spray gun, oxidation rate is accelerated during ordinary production, has shortened refining cycle, has reduced production cost;
6, oxygen bottom blowing of the present utility model divides silver stove to be furnished with drive mechanism, can make stove make things convenient for converter when changing rifle, maintenance and handling problem;
7, oxygen bottom blowing of the present utility model divides silver stove to be furnished with burner port, convenient stove additional heat and the baker given;
8, oxygen bottom blowing of the present utility model divides silver stove, and structure is simpler, makes easily and implements system's less investment.
Description of drawings
Four, description of drawings:
Fig. 1 divides the structural representation of silver stove for oxygen bottom blowing of the present utility model;
Fig. 2 joins spray gun position local section structural representation for the oxygen of Fig. 1.
Five, embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, among the figure, numbering 1 is the burner hole, 2 for advancing the precious metals containing lead mouth, and 3 is smoke outlet, and 4 for going out the alloy mouth, 5 is slag notch, and 6 is the spray gun flange, and 7 is support roller, 8 is motor, and 9 are cylindrical tube (being body of heater), and 10 is the spray gun open holes, 11 is step-down gear, and 12 is driving gear, and 13 are rolling ring, 14 is gear ring, and 91 is steel plate, and 92 is flame retardant coating.A kind of oxygen bottom blowing divides silver stove, can do the round shape converter that certain angle rotates along horizontal center line, converter comprises horizontal cylindrical tube 9, these cylindrical tube 9 two ends are installed on the base of support roller 7 by the rolling ring 13 of its outside suit, be provided with base in the cylindrical tube lower end and be fixed with driving mechanism on this base, the output shaft of described driving mechanism is by driving gear 12 and the gear ring 14 coupling engagements that are fixed on the cylindrical tube sidewall; Be respectively equipped with into precious metals containing lead mouth 2, slag notch 4, burner mouth 1 at the two ends of described cylindrical tube 9 and go out the alloy mouth, be provided with smoke outlet 3 in the cylindrical tube upper end; Be fixed with at least one oxygen lance that is communicated in the cylindrical shell inboard in described cylindrical tube bottom.
Described oxygen lance is provided with mounting flange 6, and this mounting flange and cylindrical tube bottom profile coupling also are fixed together.
Described driving mechanism comprises motor 8, step-down gear 11, and speed reducer output shaft is connected with gear shaft by shaft coupling.Support roller 7 is installed in respectively on the corresponding support roller base.Described cylindrical tube 9 comprises shell and liner, and shell is a steel plate 91, inner lining refractory 92.
During ordinary production, stove (cylindrical tube) does not rotate, and stove bottom or bottom side dispose 1～3 spray gun that sprays into oxygen, and spray gun and vertical line angle are 0～30 °, when needing replacing spray gun or stove to break down, stove rotates 0 °～90 ° operations of being correlated with.
Precious metals containing lead divides silver stove smoke outlet 3 or oxygen bottom blowing to divide silver stove opening for feed 2 to enter oxygen bottom blowing by oxygen bottom blowing and divides silver stove, divide the oxygen in the silver stove spray gun to control the oxidizing atmosphere of dividing in the silver stove by adjusting oxygen bottom blowing, guarantee oxygen bottom blowing precious metals containing lead stove, oxygen bottom blowing divides silver stove, forming a complete production network of oxygen top blown refining furnace, natural gas via Sweet natural gas burner is sent into the stove internal combustion, oxygen bottom blowing divides the molten bath that keeps 400～700mm in the silver stove, temperature keeps 700～800 ℃, antimony in oxygen that feeds in the spray gun and the precious metals containing lead, bismuth, plumbous, copper, arsenic generation oxidizing reaction, run cigarette, slag making, treat to put when liquid level reaches 500～700mm oxidation sludge, oxidation sludge divides silver stove slag notch 4 to enter slag precious metals containing lead stove through the chute interruption by oxygen bottom blowing and adds the nut coke processing, obtain containing lower secondary slag of gold and silver and the precious metals containing lead of gold and silver grade about 15～30%, oxygen bottom blowing divides alloy grade in the silver stove to reach 70～80% alloy liquid and divides the silver stove siphon port to be interrupted through chute by oxygen bottom blowing when liquid level reaches 300～500mm to enter into the further refining of oxygen top blown refining furnace, the flue gas and the flue dust that produce divide the silver stove smoke outlet to enter pipeline through oxygen bottom blowing, flue dust reclaims through sack cleaner and return batching then after wet processing, and flue gas is through the chimney emptying.
Claims (8)
1. an oxygen bottom blowing divides silver stove, it is a kind of round shape converter that can do the certain angle rotation along horizontal center line, it is characterized in that: converter comprises horizontal cylindrical tube, these cylindrical tube two ends are installed on the base support roller by the rolling ring of its outside suit, be provided with base in the cylindrical tube lower end and be fixed with driving mechanism on this base, the output shaft of described driving mechanism is by driving gear and the gear ring coupling engagement that is fixed on the cylindrical tube sidewall; Be respectively equipped with into precious metals containing lead mouth, slag notch, burner mouth at the two ends of described cylindrical tube and go out the alloy mouth, be provided with smoke outlet in the cylindrical tube upper end; Be fixed with at least one oxygen lance that is communicated in the cylindrical shell inboard in described cylindrical tube bottom.
2. oxygen bottom blowing according to claim 1 divides silver stove, it is characterized in that: described oxygen lance is provided with mounting flange, and this mounting flange and cylindrical tube bottom profile coupling also are fixed together.
3. oxygen bottom blowing according to claim 1 divides silver stove, it is characterized in that: described driving mechanism comprises motor, step-down gear, and speed reducer output shaft is connected with gear shaft by shaft coupling.
4. oxygen bottom blowing according to claim 1 divides silver stove, it is characterized in that: support roller is installed in respectively on the corresponding support roller base.
5. oxygen bottom blowing according to claim 1 divides silver stove, it is characterized in that: the oxygen lance of described cylindrical tube bottom and the scope of vertical line angle α are 0 °≤α≤30 °.
6. oxygen bottom blowing according to claim 1 divides silver stove, it is characterized in that: described cylindrical tube comprises shell and liner, and shell is a steel plate, inner lining refractory.
7. oxygen bottom blowing according to claim 1 divides silver stove, it is characterized in that: described spray gun quantity is 1-3.
8. oxygen bottom blowing according to claim 1 divides silver stove, it is characterized in that: cylindrical tube is 0 °～90 ° of its rotational angles as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202427649U CN201778088U (en) | 2010-06-30 | 2010-06-30 | Oxygen-bottom-blowing silver-smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202427649U CN201778088U (en) | 2010-06-30 | 2010-06-30 | Oxygen-bottom-blowing silver-smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201778088U true CN201778088U (en) | 2011-03-30 |
Family
ID=43791307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202427649U Expired - Fee Related CN201778088U (en) | 2010-06-30 | 2010-06-30 | Oxygen-bottom-blowing silver-smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201778088U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102994774A (en) * | 2011-09-12 | 2013-03-27 | 安阳市岷山有色金属有限责任公司 | Lead blowing process by blowing fuel from bottom |
| CN103937988A (en) * | 2014-05-04 | 2014-07-23 | 云南锡业股份有限公司 | Process for producing unpurified silver by pyro-refining precious lead |
| CN109022799A (en) * | 2018-08-28 | 2018-12-18 | 河南豫光金铅股份有限公司 | The device and its smelting technology of the continuous two-part melting earth of positive pole of one |
-
2010
- 2010-06-30 CN CN2010202427649U patent/CN201778088U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102994774A (en) * | 2011-09-12 | 2013-03-27 | 安阳市岷山有色金属有限责任公司 | Lead blowing process by blowing fuel from bottom |
| CN103937988A (en) * | 2014-05-04 | 2014-07-23 | 云南锡业股份有限公司 | Process for producing unpurified silver by pyro-refining precious lead |
| CN109022799A (en) * | 2018-08-28 | 2018-12-18 | 河南豫光金铅股份有限公司 | The device and its smelting technology of the continuous two-part melting earth of positive pole of one |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20190630 |