US619044A - Assay-furnace - Google Patents
Assay-furnace Download PDFInfo
- Publication number
- US619044A US619044A US619044DA US619044A US 619044 A US619044 A US 619044A US 619044D A US619044D A US 619044DA US 619044 A US619044 A US 619044A
- Authority
- US
- United States
- Prior art keywords
- chamber
- opening
- assay
- combustion
- furnace
- 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
- 238000002485 combustion reaction Methods 0.000 description 14
- 238000010276 construction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 241000282326 Felis catus Species 0.000 description 2
- 238000004166 bioassay Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229910052570 clay Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
Definitions
- My invention relates to an improvement in the class of so-called combination assay-furmuffle-chamber by cooling the other.
- Figure l shows my improved furnace by a broken view, in longitudinal sectional elevation, the section being taken at the line l on Fig. 2 and viewed in the direction of the arrow.
- Fig. 2 is a view of the same in front end elevation; 3, a section taken at the line 3 on Fig. l and viewed in the direction of the arrow, and
- Fig. 4 a section taken at the line 4 on Fig. 1 and viewed in the direction of the arrow.
- A is the shell of the furnace, preferably of the general rectangular form illustrated, molded out of fire-clay or other suitable highly-refractory material properly bound with metal and supported by legs A at the corners.
- combustion-chamber B is an inwardly tapering combustionchamber in the base of the shell, extending from the front end of the shell to and opening at its inner end into a crucible-chamber C in the back part of the shell and provided with a removable cover C'.
- the combustion-chamber B communi- Cates, through an opening fr, with a mufiechamber D open at its inner end to the rear Crucible-chamber and in which a muftle E, shown as having an opening p in its top, is adapted to be removably supported on studs o o, projecting upward from the base of the mufe-chamber at opposite sides of the opening r.
- the chimney F is the chimney, containing a damper n and extending from a discharge-opening m for the products of combustion lin the forward end of the top of the munie-chamber.
- a damper n Near the rear end of the chamber D there is formed in its top an opening m', containing a depending tube-section m2 to coincide with and cover the opening p in the mufle E in position in the mufIle-chamber, and through the openings p and m the muffle communicates'with the chimney F through a pipe connection F' between them and shown as containing a damper n.
- the heat is supplied to the furnace in the usual way, as by a blast-burner B of the type shown in my Patent No. 267,431, dated November 14, 1882, adjusted to the mouth of the combustion-chamber B, part of the products of combustion entering the mufIie-chamber D through the opening r to heat the m uffle and part entering the crucible-chamber C and thence passing into the muffle-chamber, whence all the products of combustion escape through the chimney F.
- a blast-burner B of the type shown in my Patent No. 267,431, dated November 14, 1882, adjusted to the mouth of the combustion-chamber B, part of the products of combustion entering the mufIie-chamber D through the opening r to heat the m uffle and part entering the crucible-chamber C and thence passing into the muffle-chamber, whence all the products of combustion escape through the chimney F.
- the crucible and mufle chambers are each heated by directheat from the combustion-chamber.
- each chamber is heated independently of the other, so that neither is subjected to cooling by conditions in the other, and surplus heat that would otherwise go off as waste up the chimney is utilized in the Cruciblechamber.
- the pipe connection F between the mufflechamber and chimney affords a d raft-Hue for creating a draft through the mui'lle to oXidize its contents.
- An assay-furnace comprising, in combination, a shell A divided into a rear Cruciblechamber C and a combustion-chamber B and a muffle-ohamber D, in front of and communicating at their rear ends with the Cruciblechamber and the one with the other through an opening fr, an opening fm and an opening fm respectively near the front and rear ends of the top of the munie-chamber, a chimney F leading from the opening fm, a tube-section m2 depending in the opening fm and a draftflue F connecting said tube-section with the chimney, the Whole being constructed and arranged to operate substantially as described.
Description
No. 619,044. Patented Feb. 7,V |899. i
w. -Hos| |,Ns.v 1 AssAY FunNAcE. Appunti@ med mv. 7, 189s.)
fw V llllllllll/I/IIA UNITED STATES PATENT OFFICE.
WILLIAM HOSKINS, OF CHICAGO, ILLINOIS.
ASSAY-FU RNAC E.
SPECIFICATION forming part of Letters Patent No. 619,044, dated February 7, 1899.
Application led November 7,1898. Serial No. 695,736. (No model.)
To all whom it may con/cern.-
Be it known that I, WILLIAM HosKINs, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in Assay-Furnaces, of which the following is a specification.
My invention relates to an improvement in the class of so-called combination assay-furmuffle-chamber by cooling the other.
To this end my invention consists in the construction of my improvement hereinafter described, and set forth in the claims.
Referring to the accompanying drawings,
Figure l shows my improved furnace by a broken view, in longitudinal sectional elevation, the section being taken at the line l on Fig. 2 and viewed in the direction of the arrow. Fig. 2 is a view of the same in front end elevation; 3, a section taken at the line 3 on Fig. l and viewed in the direction of the arrow, and Fig. 4 a section taken at the line 4 on Fig. 1 and viewed in the direction of the arrow.
A is the shell of the furnace, preferably of the general rectangular form illustrated, molded out of lire-clay or other suitable highly-refractory material properly bound with metal and supported by legs A at the corners.
B is an inwardly tapering combustionchamber in the base of the shell, extending from the front end of the shell to and opening at its inner end into a crucible-chamber C in the back part of the shell and provided with a removable cover C'. Along its upper side the combustion-chamber B communi- Cates, through an opening fr, with a mufiechamber D open at its inner end to the rear Crucible-chamber and in which a muftle E, shown as having an opening p in its top, is adapted to be removably supported on studs o o, projecting upward from the base of the mufe-chamber at opposite sides of the opening r.
F is the chimney, containing a damper n and extending from a discharge-opening m for the products of combustion lin the forward end of the top of the munie-chamber. Near the rear end of the chamber D there is formed in its top an opening m', containing a depending tube-section m2 to coincide with and cover the opening p in the mufle E in position in the mufIle-chamber, and through the openings p and m the muffle communicates'with the chimney F through a pipe connection F' between them and shown as containing a damper n.
The heat is supplied to the furnace in the usual way, as by a blast-burner B of the type shown in my Patent No. 267,431, dated November 14, 1882, adjusted to the mouth of the combustion-chamber B, part of the products of combustion entering the mufIie-chamber D through the opening r to heat the m uffle and part entering the crucible-chamber C and thence passing into the muffle-chamber, whence all the products of combustion escape through the chimney F.
By myimproved construction, with the cruciblechamber behind and communicating with the combustion and muffie chambers, the crucible and mufle chambers are each heated by directheat from the combustion-chamber.
Thus each chamber is heated independently of the other, so that neither is subjected to cooling by conditions in the other, and surplus heat that would otherwise go off as waste up the chimney is utilized in the Cruciblechamber.
The pipe connection F between the mufflechamber and chimney affords a d raft-Hue for creating a draft through the mui'lle to oXidize its contents.
What I claim as new, and desire to secure by Letters Patent, is-
l. In an assay-furnace, the combination of a rear Crucible-chamber, a lower combustionchamber in front of and opening at its inner end into the crucible-chamber, and a mufflechambcr surmounting and .communicating through its base with the combustion-chamber and opening at its rear end into the cru` cible-chamber and provided with a discharge- IOO outlet for the products of combustion for all the chambers, substantially as and for the purpose set forth.
2. In an assay-furnace, the combination of the rear Crucible-chamber, the combustion and mufie chambers in front of said Cruciblechamber and each communicating therewith and with the other, a chimney leading from a discharge-opening for products of combustion in the forward part of the top of the mufechamber and a draft-Hue connecting said chimney With an opening in the rear portion of the top of said munie-chamber, substantially as and for the purpose set forth.
3. An assay-furnace comprising, in combination, a shell A divided into a rear Cruciblechamber C and a combustion-chamber B and a muffle-ohamber D, in front of and communicating at their rear ends with the Cruciblechamber and the one with the other through an opening fr, an opening fm and an opening fm respectively near the front and rear ends of the top of the munie-chamber, a chimney F leading from the opening fm, a tube-section m2 depending in the opening fm and a draftflue F connecting said tube-section with the chimney, the Whole being constructed and arranged to operate substantially as described.
WILLIAM H OSKINS. In presence of- M. J. FROST, R. T. SPENCER.
Publications (1)
Publication Number | Publication Date |
---|---|
US619044A true US619044A (en) | 1899-02-07 |
Family
ID=2687653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US619044D Expired - Lifetime US619044A (en) | Assay-furnace |
Country Status (1)
Country | Link |
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US (1) | US619044A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020193899A1 (en) * | 2001-06-19 | 2002-12-19 | Applied Materials, Inc. | Dynamic metrology schemes and sampling schemes for advanced process control in semiconductor processing |
-
0
- US US619044D patent/US619044A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020193899A1 (en) * | 2001-06-19 | 2002-12-19 | Applied Materials, Inc. | Dynamic metrology schemes and sampling schemes for advanced process control in semiconductor processing |
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