CN205774729U - A kind of collection reduction apparatus of low-melting-point metal compound - Google Patents
A kind of collection reduction apparatus of low-melting-point metal compound Download PDFInfo
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- CN205774729U CN205774729U CN201620505590.8U CN201620505590U CN205774729U CN 205774729 U CN205774729 U CN 205774729U CN 201620505590 U CN201620505590 U CN 201620505590U CN 205774729 U CN205774729 U CN 205774729U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The collection reduction apparatus of a kind of low-melting-point metal compound, belongs to metal reduction apparatus and method and technology field, and the compound reduction for the fusing point metal less than 800 DEG C is collected.Multiple pallet of the present utility model is placed on tray supporter from top to bottom, and tray supporter is placed in the frame, and pallet has aperture, and reducing gas is the most S-type flowing in framework, drips from aperture, complete to collect after the stannum mud reduction in pallet.This utility model is that stannum mud collects the pioneering of reduction apparatus and method; reduction reaction and two processes of tin liquor automatic quick collection of stannum mud it are simultaneously achieved in a reaction unit; have automatically collect product, process material on a large scale, stannum mud conversion ratio quality high, metallic tin is good, device is solid and reliable, stable operation and easily controllable feature; it is easy to industrialization and reduces stannum mud on a large scale; utilize the purity of the metallic tin that this collection reduction apparatus and method obtain more than 99.5%, there is significant economic benefit.
Description
Technical field
This utility model relates to a kind of low-melting-point metal compound and prepares the reduction apparatus automatically collected of simple metal in reduction furnace, belongs to metal reduction apparatus and method and technology field.
Background technology
At present, the insoluble anode technique of tin plating production line solves the problem that soluble anode tin plating technique labor intensity is big, plating solution expands outer row, but need an additional molten stannum still to supplement bivalence Sn ion, owing to reaction temperature and oxygen flow are wayward, divalent tin ion aoxidizes the most further, reacts formation yellow mercury oxide, referred to as stannum mud, causes the loss of stannum in electroplate liquid.The effective ways of metallic tin are directly reclaimed currently without seeing from stannum mud, but for the technique being electrolysed with stannum mud kin tin anode mud many employings reduction melting silicofluoric acid, in the earth of positive pole, i.e. allocate the flux such as sodium carbonate, fluorite and reduction coal dust into, reverberatory furnace is sent to carry out reduction melting, smelting temperature is 1200～1300 DEG C, smelting time is about 12h, the refined rear prepared astute and able stannum of leypewter of output.This technique can produce secondary anode mud, need to take the subsequent treatment such as direct acidleach or oxidation acid leaching, although this technique has the strong adaptability to raw material, the advantages such as disposal ability is big, but equally exist a lot of shortcomings, as reduction melting temperature is high, technique is the longest, and energy consumption is high；Fusion process can produce a large amount of flue gas and slag, be easily caused damage by fume pollution etc..
Therefore, seek a kind of method that energy consumption is low, equipment is simple, the response rate is high and the metallic tin purity of recovery is high and become present steel enterprise problem demanding prompt solution.
Utility model content
Technical problem to be solved in the utility model there is provided a kind of collection reduction apparatus and the method for low-melting-point metal compound, this collection reduction apparatus and method can be collected reduction to the compound of the fusing point metal less than 800 DEG C, it is particularly suitable for relating to product not adhesive reaction device, and can accomplish automatically to collect.
The technical scheme solving above-mentioned technical problem is:
nullA kind of collection reduction apparatus of low-melting-point metal compound，It is by framework、Pallet、Lifting plate composition，Framework includes two and half round busses and multiple tray supporter，The both sides of the edge of two and half round busses are connected by bolt relatively，Tray supporter horizontal positioned，The edge of tray supporter and the inwall of half round buss are connected，Multiple tray supporters are along the axially in parallel arrangement of half round buss，Pallet is placed on tray supporter，Pallet is by big pallet、Little pallet and collection tray composition，The big external diameter of pallet and the internal diameter of half round buss match，There is air inlet at the center of big pallet，Gap is had between external diameter and the inwall of half round buss of little pallet，Big pallet and little pallet are spaced discharge on tray supporter，Collection tray is placed on the bottom of tray supporter，It is evenly equipped with aperture in the card of big pallet and little pallet，Lifting plate is connected with the upper face of half round buss of framework.
The collection reduction apparatus of above-mentioned low-melting-point metal compound, described tray supporter is made up of two cross bars and Duo Gen brace, the two ends of two cross bars are connected with the both sides welding opposite edges of half round buss respectively, the cross bar of two half relative round busses is parallel relatively, and many braces are respectively welded between cross bar and semicircle sleeve lining.
The collection reduction apparatus of above-mentioned low-melting-point metal compound, described big pallet is made up of two semicircle pallets, and the external diameter of two and half round trays is identical with semicircle sleeve diameter, and the air inlet diameter of big tray center air inlet diameter middle with reduction furnace matches.
The collection reduction apparatus of above-mentioned low-melting-point metal compound, described little pallet is made up of two semicircle pallets, the external diameter of two and half round trays is less than the internal diameter of half round buss, and the center of little pallet is atresia disk, and the diameter of atresia disk air inlet diameter middle with reduction furnace matches.
The collection reduction apparatus of above-mentioned low-melting-point metal compound, described collection tray is many half annulus, and the external diameter of collection tray and the internal diameter of half round buss are identical, and collection tray center is air inlet, air inlet diameter air inlet diameter middle with reduction furnace matches, and the material of collection tray is corundum.
The collection reduction apparatus of above-mentioned low-melting-point metal compound, described lifting plate is two semicircle sandwich plates, two semicircle sandwich plates upper face with two and half round busses of framework respectively is connected, the top plate of two semicircle sandwich plates and the circumferential edges of lower plywood of lifting plate are respectively gear shape, the external diameter of lower plywood is more than the external diameter of the upper face of half round buss, the external diameter of top plate is more than the external diameter of lower plywood, it is simple to collect the integral hoisting operation of reduction apparatus.
Use the collection method of reducing of the low-melting-point metal compound of above-mentioned collection reduction apparatus, comprise the steps:
A, by stannum mud dehydration to 0～30% water content, be dried under the conditions of 100～200 DEG C 0.5～10 hour standby；
B, step a gained stannum mud is put into roaster or oxidation furnace, under the conditions of 700～1500 DEG C roasting 0.1～4 hours standby；
C, being placed by step b gained stannum mud in little pallet and big pallet, stannum mud tiling thickness is less than 5cm；
D, by collect reduction apparatus framework two and half round busses separate, put into the little pallet equipped with stannum mud material and big pallet, and put into collection tray；
E, will collect reduction apparatus framework two and half round busses Guan Bi, and with bolt fastening standby；
F, standby collection reduction apparatus is put in reduction furnace, reductase 12～10h under the conditions of 500～800 DEG C, reducing gas enters in the middle of the bottom of reduction furnace, reducing gas main flow is S-type flowing in framework, escape from the top of reduction furnace, reducing gas is also by the aperture on big pallet and little pallet, and meanwhile, the droplet of the metallic tin that reduction obtains is instilled in the collection tray of lower floor automatically by the aperture on big pallet and little pallet；
G, after step f completes, open the framework collecting reduction apparatus, owing to collection tray is corundum material, metallic tin can not stick on collection tray, only need to collect standby by the metallic tin in the collection tray of bottom；
H, metallic tin step g collected remelting in molten stannum still, scrape off the impurity on upper strata, obtain the tin slab that purity is high.
The beneficial effects of the utility model are:
Collection reduction apparatus of the present utility model may be used for the course of reaction of the compound reduction of the fusing point metal less than 800 DEG C, is particularly suitable for relating to product not adhesive reaction device and accomplishing the reducing process automatically collected.
This utility model compared with prior art has a following remarkable advantage:
(1) in a reaction unit, be simultaneously achieved stannum mud two processes that reduction reaction and product automatic quick are collected under reducing gas effect, equipment simply firmly, be easy to industrialization and reduce stannum mud on a large scale, small investment.
(2) can place altogether six layers of pallet in collecting reduction apparatus, top is the big pallet and little pallet being spaced apart, and bottom is collection tray, it is ensured that the most S-type flowing of reducing gas main flow so that whole reduction apparatus is full of reducing gas.
(3) bottom of little pallet and big pallet is all covered with aperture, not only makes material reaction quickly, completely, and the conversion ratio of stannum mud is more than 99.9%, and metallic tin droplet is instilled in underlying collection pallet automatically by aperture.
(4) collection tray material is corundum, and the metallic tin droplet dripped can not stick on collection tray in the curing process, collects easily from collection tray.
(5) framework collecting reduction apparatus is steel construction, not only provides firm support for screen cloth pallet and collection tray, and realizes mounting or dismounting easily and the steadiness of lifting turnover reduction furnace.
(6) collecting reduction apparatus is two and half round busses, and the relative both sides of the edge of two and half round busses are bolted, and can open and close easily, and ensure that whole collection reduction apparatus is solid and reliable when lifting.
(7) the top plate external diameter of the lifting plate collecting reduction apparatus is approximately more than lower plywood external diameter, it is ensured that collects reduction apparatus and lifts turnover reduction furnace easily.
This utility model is that stannum mud collects the pioneering of reduction apparatus and method, have automatically collect product, process material on a large scale, stannum mud conversion ratio quality high, metallic tin is good, device is solid and reliable, stable operation and easily controllable feature, utilize the purity of the metallic tin that this collection reduction apparatus and method obtain more than 99.5%, there is significant economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the B-B sectional view of Fig. 1；
Fig. 4 is the C-C sectional view of Fig. 1；
Fig. 5 is the D-D sectional view of Fig. 1.
In figure, labelling is as follows: framework 1, lifting plate 2, tray supporter 3, big pallet 4, little pallet 5, collection tray 6, half round buss 7, bolt 8, cross bar 9, brace 10, air inlet 11.
Detailed description of the invention
This utility model is made up of framework 1, lifting plate 2, tray supporter 3, big pallet 4, little pallet 5, collection tray 6.
Showing in figure, framework 1 includes two and half round busses 7 and multiple tray supporter 3.
The both sides of the edge of two and half round busses 7 are connected by bolt 8 relatively.Tray supporter 3 horizontal positioned, the edge of tray supporter 3 and the inwall of half round buss 7 are connected, and multiple tray supporters 3 are placed on tray supporter 3 along the axially in parallel arrangement of half round buss 7, pallet.
Showing in figure, pallet is made up of big pallet 4, little pallet 5 and collection tray 6.The big external diameter of pallet 4 and the internal diameter of half round buss 7 match, there is air inlet 11 at the center of big pallet 4, having gap between external diameter and the inwall of half round buss 7 of little pallet 5, big pallet 4 and little pallet 5 are spaced discharge on tray supporter 3, and collection tray 6 is placed on the bottom of tray supporter 3.The material of little pallet 5 and big pallet 4 is all rustless steel.
Showing in figure, big pallet 4 is made up of two semicircle pallets.External diameter and half round buss 7 internal diameter of two and half round trays of big pallet 4 are identical, and air inlet 11 diameter at big pallet 4 center air inlet diameter middle with reduction furnace matches.
Showing in figure, little pallet 5 is made up of two semicircle pallets.The external diameter of two and half round trays of little pallet 5 is less than the internal diameter of half round buss 7, and the center of little pallet 5 is atresia disk, and the diameter of atresia disk air inlet diameter middle with reduction furnace matches.
Showing in figure, collection tray 6 is many half annulus, and the external diameter of collection tray 6 and the internal diameter of half round buss 7 are identical, and collection tray 6 center is air inlet 11, and air inlet 11 diameter air inlet diameter middle with reduction furnace matches, and the material of collection tray 6 is corundum.
Figure is placed altogether in the framework 1 of embodiment six layers of pallet, the superiors are that two semicircular big pallets 4 are placed on tray supporter 3, the second layer is that two semicircular little pallets 5 are placed on tray supporter 3, third layer is that two semicircular big pallets 4 are placed on tray supporter 4, 4th layer is that two semicircular little pallets 5 are placed on tray supporter 3, the collection tray 6 that layer 5 is semi-circular more than one is placed on tray supporter 3, the collection tray 6 that layer 6 is semi-circular more than one is placed on tray supporter 3, ensure that reducing gas main flow is to lower and upper S-type flowing, whole reduction apparatus is made to be full of reducing gas.
Showing in figure, the card of big pallet 4 and little pallet 5 is evenly equipped with aperture, and aperture effect has two, and one is the contact area drastically increasing reducing gas with material so that material reduces completely；Two is in the collection tray 6 that the droplet of the metallic tin that reduction obtains automatically instills lower floor by aperture, gets the effect automatically collecting metallic tin.
Figure shows, tray supporter 3 is made up of two cross bars 9 and Duo Gen brace 10, the two ends of two cross bars 9 both sides welding opposite edges with half round buss 7 respectively be connected, the cross bar 9 of two half relative round busses 7 is parallel relatively, and many braces 10 are respectively welded between cross bar 9 and half round buss 7 inwall.
Figure shows, lifting plate 2 is two semicircle sandwich plates, two semicircle sandwich plates upper face with two and half round busses 7 of framework 1 respectively is connected, the top plate of two semicircle sandwich plates and the circumferential edges of lower plywood of lifting plate 2 are respectively gear shape, the external diameter of lower plywood is more than the external diameter of the upper face of half round buss 7, and the external diameter of top plate is more than the external diameter of lower plywood.
The collection method of reducing of low-melting-point metal compound of the present utility model, it comprises the steps:
A, by stannum mud dehydration to 0～30% water content, be dried under the conditions of 100～200 DEG C 0.5～10 hour standby；
B, step a gained stannum mud is put into roaster or oxidation furnace, under the conditions of 700～1500 DEG C roasting 0.1～4 hours standby；
C, being placed by step b gained stannum mud in little pallet 5 and big pallet 4, stannum mud tiling thickness is less than 5cm；
D, by collect reduction apparatus framework 1 two and half round busses 7 separate, put into the little pallet 5 equipped with stannum mud material and big pallet 4, and put into collection tray 6；
E, two and half round busses 7 collecting reduction apparatus framework 1 are closed, and fasten standby with bolt 8；
F, standby collection reduction apparatus is put in reduction furnace, reductase 12～10h under the conditions of 500～800 DEG C, reducing gas enters in the middle of the bottom of reduction furnace, reducing gas main flow is S-type flowing in framework 1, escape from the top of reduction furnace, reducing gas is also by the aperture on big pallet 4 and little pallet 5, and meanwhile, the droplet of the metallic tin that reduction obtains is instilled in the collection tray 6 of lower floor automatically by the aperture on big pallet 4 and little pallet 5；
G, after step f completes, open the framework 1 collecting reduction apparatus, owing to collection tray 6 is corundum material, metallic tin can not stick on collection tray 6, only need to collect standby by the metallic tin in the collection tray 6 of bottom；
H, metallic tin step g collected remelting in molten stannum still, scrape off the impurity on upper strata, obtain the tin slab that purity is high.
Several embodiment of the present utility model is as follows
Embodiment 1
Use this collection reduction apparatus, metallic tin is prepared in stannum mud reduction.nullStannum mud is dehydrated to 30% water content，Dry stannum mud 1200kg after being dried 10 hours under the conditions of 100 DEG C，Put into roaster or oxidation furnace，Roasting 4 hours under the conditions of 700 DEG C，Roasting stannum mud is laid on big pallet 4 and little pallet 5，Stannum mud tiling thickness 5cm，Roasting stannum mud is not put in collection tray 6，Then collection reduction apparatus is opened，Tray supporter 3 is sequentially placed into the little pallet 5 equipped with stannum mud material and big pallet 4，And put into collection tray 6，Reduction apparatus will be collected close，And fasten with bolt 8，The reduction apparatus that one layer has fastened is placed in reduction furnace，It is warming up to 500 DEG C，500 DEG C of constant temperature 10h，Reducing gas enters in the middle of the bottom of reduction furnace，S-type flowing in reduction apparatus，Finally escape from the central hollow of reduction apparatus upper plate，After reduction reaction terminates，Open collection reduction apparatus，Only the metallic tin in the collection tray 6 of bottom need to be collected，The metallic tin collected remelting in molten stannum still，Scrape off the impurity on upper strata，Obtain the tin slab that purity is high.The yield of tin slab is 55.56%, and the stanniferous amount of tin slab is 99.6%.
Embodiment 2
Use this collection reduction apparatus, metallic tin is prepared in stannum mud reduction.nullStannum mud is dehydrated to 20% water content，Dry stannum mud 3000kg after being dried 0.5 hour under the conditions of 200 DEG C，Put into roaster or oxidation furnace，Roasting 10min under the conditions of 1500 DEG C，Roasting stannum mud is laid on big pallet 4 and little pallet 5，Stannum mud tiling thickness 3cm，Roasting stannum mud is not put in collection tray 6，Then collection reduction apparatus is opened，Tray supporter 3 is sequentially placed into the little pallet 5 equipped with stannum mud material and big pallet 4，And put into collection tray 6，Reduction apparatus will be collected close，And fasten with bolt 8，The reduction apparatus that four layers have fastened is overlayed in reduction furnace，It is warming up to 800 DEG C，800 DEG C of constant temperature 2h，Reducing gas enters in the middle of the bottom of reduction furnace，S-type flowing in reduction apparatus，Finally escape from the central hollow of reduction apparatus upper plate，After reduction reaction terminates，Open collection reduction apparatus，Only the metallic tin in the collection tray 6 of bottom need to be collected，The metallic tin collected remelting in molten stannum still，Scrape off the impurity on upper strata，Obtain the tin slab that purity is high.The yield of tin slab is 66.79%, and the stanniferous amount of tin slab is 99.9%.
Embodiment 3
Use this collection reduction apparatus, metallic tin is prepared in stannum mud reduction.nullStannum mud is dehydrated to 10% water content，Dry stannum mud 2000kg after being dried 4 hours under the conditions of 150 DEG C，Put into roaster or oxidation furnace，Roasting 1 hour under the conditions of 1100 DEG C，Roasting stannum mud is laid on big pallet 4 and little pallet 5，Stannum mud tiling thickness 4cm，Roasting stannum mud is not put in collection tray 6，Then collection reduction apparatus is opened，Tray supporter 3 is sequentially placed into the little pallet 5 equipped with stannum mud material and big pallet 4，And put into collection tray 6，Reduction apparatus will be collected close，And fasten with bolt 8，Reduction apparatus two-layer fastened is superimposed upon in reduction furnace，It is warming up to 650 DEG C，650 DEG C of constant temperature 6h，Reducing gas enters in the middle of the bottom of reduction furnace，S-type flowing in reduction apparatus，Finally escape from the central hollow of reduction apparatus upper plate，After reduction reaction terminates，Open collection reduction apparatus，Only the metallic tin in the collection tray 6 of bottom need to be collected，The metallic tin collected remelting in molten stannum still，Scrape off the impurity on upper strata，Obtain the tin slab that purity is high.The yield of tin slab is 59.12%, and the stanniferous amount of tin slab is 99.7%.
Embodiment 4
Use this collection reduction apparatus, metallic tin is prepared in stannum mud reduction.nullStannum mud is dehydrated to 5% water content，Dry stannum mud 3000kg after being dried 1 hour under the conditions of 180 DEG C，Put into roaster or oxidation furnace，Roasting 30min under the conditions of 1300 DEG C，Roasting stannum mud is laid on big pallet 4 and little pallet 5，Stannum mud tiling thickness 4cm，Roasting stannum mud is not put in collection tray 6，Then 6 collection reduction apparatus are opened，Tray supporter 3 is sequentially placed into the little pallet 5 equipped with stannum mud material and big pallet 4，And put into collection tray 6，Reduction apparatus will be collected close，And fasten with bolt 8，The reduction apparatus fastened three layers is placed and is stacked in reduction furnace，It is warming up to 700 DEG C，700 DEG C of constant temperature 4h，Reducing gas enters in the middle of the bottom of reduction furnace，S-type flowing in reduction apparatus，Finally escape from the central hollow of reduction apparatus upper plate，After reduction reaction terminates，Open collection reduction apparatus，Only the metallic tin in the collection tray 6 of bottom need to be collected，The metallic tin collected remelting in molten stannum still，Scrape off the impurity on upper strata，Obtain the tin slab that purity is high.The yield of tin slab is 63.54%, and the stanniferous amount of tin slab is 99.8%.
Claims (6)
- null1. the collection reduction apparatus of a low-melting-point metal compound，It is characterized in that: it is by framework (1)、Pallet、Lifting plate (2) composition，Framework (1) includes two and half round busses (7) and multiple tray supporter (3)，The both sides of the edge of two and half round busses (7) are relative，It is connected by bolt (8)，Tray supporter (3) horizontal positioned，The edge of tray supporter (3) and the inwall of half round buss (7) are connected，Multiple tray supporters (3) are along the axially in parallel arrangement of half round buss (7)，Pallet is placed on tray supporter (3)，Pallet is by big pallet (4)、Little pallet (5) and collection tray (6) composition，The big external diameter of pallet (4) and the internal diameter of half round buss (7) match，There is air inlet (11) at the center of big pallet (4)，Gap is had between external diameter and the inwall of half round buss (7) of little pallet (5)，Big pallet (4) and little pallet (5) are spaced discharge on tray supporter (3)，Collection tray (6) is placed on the bottom of tray supporter (3)，It is evenly equipped with aperture in the card of big pallet (4) and little pallet (5)，Lifting plate (2) is connected with the upper face of half round buss (7) of framework (1).
- The collection reduction apparatus of low-melting-point metal compound the most according to claim 1, it is characterized in that: described tray supporter (3) is made up of two cross bars (9) and many braces (10), the two ends of two cross bars (9) both sides welding opposite edges with half round buss (7) respectively be connected, the cross bar (9) of two relative half round busses (7) is parallel relatively, and many braces (10) are respectively welded between cross bar (9) and half round buss (7) inwall.
- The collection reduction apparatus of low-melting-point metal compound the most according to claim 2, it is characterized in that: described big pallet (4) is made up of two semicircle pallets, external diameter and half round buss (7) internal diameter of two and half round trays are identical, and air inlet (11) diameter at big pallet (4) center air inlet diameter middle with reduction furnace matches.
- The collection reduction apparatus of low-melting-point metal compound the most according to claim 3, it is characterized in that: described little pallet (5) is made up of two semicircle pallets, the external diameter of two and half round trays is less than the internal diameter of half round buss (7), the center of little pallet (5) is atresia disk, and the diameter of atresia disk air inlet diameter middle with reduction furnace matches.
- The collection reduction apparatus of low-melting-point metal compound the most according to claim 4, it is characterized in that: described collection tray (6) is many half annulus, the external diameter of collection tray (6) and the internal diameter of half round buss (7) are identical, collection tray (6) center is air inlet (11), air inlet (11) diameter air inlet diameter middle with reduction furnace matches, and the material of collection tray (6) is corundum.
- The collection reduction apparatus of low-melting-point metal compound the most according to claim 5, it is characterized in that: described lifting plate (2) is two semicircle sandwich plates, two semicircle sandwich plates upper face with two and half round busses (7) of framework (1) respectively is connected, the top plate of two semicircle sandwich plates and the circumferential edges of lower plywood of lifting plate (2) are respectively gear shape, the external diameter of lower plywood is more than the external diameter of the upper face of half round buss (7), and the external diameter of top plate is more than the external diameter of lower plywood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620505590.8U CN205774729U (en) | 2016-05-30 | 2016-05-30 | A kind of collection reduction apparatus of low-melting-point metal compound |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620505590.8U CN205774729U (en) | 2016-05-30 | 2016-05-30 | A kind of collection reduction apparatus of low-melting-point metal compound |
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| CN205774729U true CN205774729U (en) | 2016-12-07 |
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| CN201620505590.8U Withdrawn - After Issue CN205774729U (en) | 2016-05-30 | 2016-05-30 | A kind of collection reduction apparatus of low-melting-point metal compound |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861835A (en) * | 2016-05-30 | 2016-08-17 | 河北钢铁股份有限公司 | Collection and reduction device and method for low-melting metallic compound |
-
2016
- 2016-05-30 CN CN201620505590.8U patent/CN205774729U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861835A (en) * | 2016-05-30 | 2016-08-17 | 河北钢铁股份有限公司 | Collection and reduction device and method for low-melting metallic compound |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20170926 |