US31696A - Improved furnace for galvanizing iron - Google Patents
Improved furnace for galvanizing iron Download PDFInfo
- Publication number
- US31696A US31696A US31696DA US31696A US 31696 A US31696 A US 31696A US 31696D A US31696D A US 31696DA US 31696 A US31696 A US 31696A
- Authority
- US
- United States
- Prior art keywords
- tube
- bath
- furnace
- improved furnace
- galvanizing iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 8
- 238000005246 galvanizing Methods 0.000 title description 4
- 229910052742 iron Inorganic materials 0.000 title description 4
- 239000002184 metal Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 210000003414 Extremities Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000003247 radioactive fallout Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/915—Utilizing electrical or wave energy during cell forming process
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S525/901—Radial block
Definitions
- each arm of thetubular bath I make open, as seen at d and e-that is, not only so that melted zinc may bepoured into and out of the mouth or upper end, of the shorter leg, but an iron bar or a tube to be galvanized may be readily either introduced into or Withdrawn from the, longer leg.
- this tubular bath I place one or more furnaces B O for heating it, or I arrange the bath over one or more furnaces and Within their fines, and so that the heat may be passed either partially or wholly around the said tube, as occasion may require.
- That part of the furnace which. may be against the side of the shorter arm should be so constructed as to allow of the revolution or turning of the tube or the movement of the said shorterarm from a vertical down into an inclined position, such as will suffice to dis charge the contents of the tube.
- the furnace may be made with an opening or lateral passage 6, to be closed by a plate or door f, such opening being denoted :in Fig. 2 by dotted lines.
- both legs I? 0 may be capable of being turned down, as
- the longer and inclined leg so fitted in the furnace may be made with the longer and inclined leg so fitted in the furnace as not to be capable of being revolved, in which case the shorter leg should be so applied to the longer leg as to be capable of being turned thereon or therein or from a vertical down into a horizontal or an inclined position, such as will enable the contents of the tube to be entirely discharged from it by gravity.
- the rods or tubes to be zinc-coated are to be introduced into th e longer arm of the tube, and after being suffered to remain there covered by the metal for a sufficient length of time they are to be Withdrawn endwise out of it.
- the extremities of the mass of the latter will be all of it which will be exposed to atmospheric action, and therefore but little oXida t-ion of the metal can take place.
- My improved zincing bath as constructed of along bent tube (orits equivalent) arranged in one or more furnaces or heating-chambers and so as to operate substantially as described.
Description
W. BLAKE.
692 1 Gailvanizing'lronflodsz No. 1,6963 Patented Mar. 119, 1861.
Wifnesses:
Inventor:
AMT PHOTO-LITHO. C0. N.Y. [OSBORNEQ'S PROCESS.)
UNITED STATES, PATENT OFFICE.
WILLIAM BLAKE, or BosroN, MASSACHUSETTS.
IMPROVED FURNACE FQR GALVANIZING IRON.
Specification forming part of Letters Patent No. 31,696, dated March 19, 1861;
In'the use of the common zincing bath or trough employed in galvanizing tubes or rods or coating them with zinc there is a large loss of the metal by oxidation, as when zinc is in a melted state its affinity for oxygen is very great. My improved zincing bath or furnace is so constructed that but very small portions of the metallic contents are exposed to the at mosphere, and thus but little oxidation and loss of metal ensue in comparison to what result from the use of the open-trough bath.
In carrying out my invention I make the bath in the form of atube with an angular or curved bend, as seen at Lt in Fig. 4:, A being the tube. This tube I arrange so that its longer leg I) may be inclined to the horizontal plane in such manner that the two ends of the tube may be on or about on a level, as shown in the said drawings. Furthermore, the tube I support in bearings so applied to its longer leg I) as to enable it to be revolved on its axis in such manner as to cause the shorter leg 0 to turn from a Vertical down into a horizontal or an inclined position, such as will cause the tube to be emptied of any liquid contents, or the latter to fall out of it whenever the same may be necessary. The upper part of each arm of thetubular bath I make open, as seen at d and e-that is, not only so that melted zinc may bepoured into and out of the mouth or upper end, of the shorter leg, but an iron bar or a tube to be galvanized may be readily either introduced into or Withdrawn from the, longer leg. Under this tubular bath I place one or more furnaces B O for heating it, or I arrange the bath over one or more furnaces and Within their fines, and so that the heat may be passed either partially or wholly around the said tube, as occasion may require.
That part of the furnace which. may be against the side of the shorter arm should be so constructed as to allow of the revolution or turning of the tube or the movement of the said shorterarm from a vertical down into an inclined position, such as will suffice to dis charge the contents of the tube. To this end the furnace may be made with an opening or lateral passage 6, to be closed by a plate or door f, such opening being denoted :in Fig. 2 by dotted lines.
Instead of constructing the bent tubular bath in one entire piece and so that both legs I? 0 may be capable of being turned down, as
described, it may be made with the longer and inclined leg so fitted in the furnace as not to be capable of being revolved, in which case the shorter leg should be so applied to the longer leg as to be capable of being turned thereon or therein or from a vertical down into a horizontal or an inclined position, such as will enable the contents of the tube to be entirely discharged from it by gravity. Fur= thermore, the whole-tube may be stationary, and at its angle or bend it may be provided with a tapping hole or tube, through which the melted metal may be discharged as occasion may require.
In using this bath, after it may have been supplied with metal, the rods or tubes to be zinc-coated are to be introduced into th e longer arm of the tube, and after being suffered to remain there covered by the metal for a sufficient length of time they are to be Withdrawn endwise out of it. I As the tube is to be kept (generally speaking) nearly full of the metal, the extremities of the mass of the latter will be all of it which will be exposed to atmospheric action, and therefore but little oXida t-ion of the metal can take place.
I would remark that, although I have hereinabove described my tubular zinoing bath as made with its arms separate and having the shorter so applied to the longer as to be capable of being turned down with reference to the same, while such longer arm might remain stationary, I prefer to construct such bathof one entire tube, as by so doing I avoid leakage at the joint of the two arms. I also prefer to have the tube revolve in bearings applied to the furnace or arranged as described, and this rather than to have the tube stationary and provided with a discharging aperture or tube arranged at its angle or bend.
The nature or principle of my invention is to be found in the bent tube (open at its ends) arranged with respect to the horizontal plane, substantially as described, and provided with a ready means of being emptied or discharged of its contents.
I lay no claim to an ordinary open bath or trough arranged over and so as to be heated by one or more furnaces; but
What I do claim is My improved zincing bath as constructed of along bent tube (orits equivalent) arranged in one or more furnaces or heating-chambers and so as to operate substantially as described.
WM. BLAKE. Witnesses:
W. G. LEVI, F. P. HALE, Jr.
Publications (1)
Publication Number | Publication Date |
---|---|
US31696A true US31696A (en) | 1861-03-19 |
Family
ID=2101325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US31696D Expired - Lifetime US31696A (en) | Improved furnace for galvanizing iron |
Country Status (1)
Country | Link |
---|---|
US (1) | US31696A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6033608A (en) * | 1998-03-11 | 2000-03-07 | Milliken & Company | Method for making foam rubber tree bark-configured articles having manmade textiles backings |
-
0
- US US31696D patent/US31696A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6033608A (en) * | 1998-03-11 | 2000-03-07 | Milliken & Company | Method for making foam rubber tree bark-configured articles having manmade textiles backings |
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