US1579075A - Horizontal coke oven - Google Patents

Description

March 30 1926; 1,579,075

H. B. CARPENTER- HORI ZONTAL COKE OVEN Filed 06;. 18, 19 21 's sheets-Sheet 1 v A I A A A i A ,1

WALL: ,4 w v I/III/IIl/IIIA lfvzgenfon C aqaenfer,

attorney H. B. CARPENTER HORIZONTAL COKE ovgu March 30 1926. I 1,579,075

Filed 001',- 18, 1921 3 Sheets-Sheet 2 0x b s v R was; v. w: i

attorney March 30,1926. 1,579,075

H., B. CARPENTER HORIZONTAL COKE OVEN Filed Oct. 18, 1921 3 Sheets-Sheet 5 571g. 7 v mm r Patented Mar. 30, 19216. p a I I g p UNITED ST res PATENT OFFICE.

HO-WARD B. canr iinrnnlor runntqiooton'ano,

' I HORIZONTAL coxn ovnn.

Application filed. october 18,- 1921." Serial -No 508,552.-

To all whom it may concern:

'Be it known that I, HowiiunBiiUoE' CAPW zontal Coke Ovens, of which the following is a specification.

This invention relates to. the manufacture of coke and particularly to the construction of horizontal coke ovens, known also asliorizontal chamber ovens and coking retort ovens used for the manufacture of metallurgical and other coke.

operation do produce a satisfactory grade {of metallurgical or other coke, they are not lVhile the by-product coke ovens now'in universally applicable as there are only a few certain coals which can be successfully coked therein without special preparation and admixture with other coalsf hen a rectangular horizontal coking retort or chamber oven is filled with coal to the charging line, the coal. masscontained therein often has a variable weight for each unit foot in height, Clll1n,pEtll3tO the compressing weight of the coalcolumn', and thus pro- (hun a coking mass of less density at the top than at the bottom of the oven. It is a well known fact that some coals, usually those with a. high volatile matter, content,

when coked at. high temperatures,which are:

' necessary in order to reduce the period of time required for the complete coking process to an efiicient and economlcal'point,

form in the upper'part of the coking cham-' ber and at the points where the density of the cokin mass is least more orflless lar e quantities of a product knownas sponge This material, which 18 of a 'very light,-

porous and fragile nature, is entirely unsuited for use as a fuel for nietallurgical'or. domestic purposes, and inay be classed as a waste product. Inasmuch as this product may attain the proportion of twenty-five percent of the entire oven yield, this loss is i not one that may be lightly overlooked.

This tendency of some coals to I form sponge can be lessened to "some degree by' admixture with a coal whose tendency is to form a very dense coke (usually a, lowvolatile coal) and also by lowering the temperature at which the coking process is conducted. Botli of these methods are qnite uneconomical, however, as in thefirst'pase'.

such-a special coal, f not'entirely unavaih or instances v .V

Figure 1 s a'vertica-l longitudinal section able,-must usually be brought from some dis tance, and in'th'e second case the loss due to the production of a satisfactory grade of metallurgical and other coke 'froinf the vari ous coking coals, an increase n the byproduct recovery yields through the creation of a lower temperature zone ii /the" upper portion of the COkilig chamber, aidecrease in operat ng expense due to increased production by operating at hightempei'a-- tules, and such other advantages and iniprovement-s in construction and'operation as may be found hereinafter described and claimed. 1

The accompanying drawings illustrating.

an embodiment of my invention showthe horizontal coking retortor chamber with vertical heating combustion flue arrange-'- ment, but desire it to be understood-that the said prineiplesmay also be'used in con-v nection with horizontal coking retort. or

chambers with horizontal combustion fines for heating'or with {any other-heating. system whiclimay be used in connection with horizontal .coking retort or chamber ovens.

In the accompanying drawings is shown, for

purposes of exemplification, a preferred 11121111161 in which this invention may be eni bodied in an installation of existing. type, but 'without; limiting the claimed invention specifically to any such illustrative instance through a eokingretortor chamber and the regen era-tors below it taken on the line -CC ofFig. 2; Fig. 2 is a vertical transverse sec-. 7

tion through a. battery'of two ovens taken on the line A A of Fig.1, showingthe walls 'formingithef coking retort oifichainber 'inclined toward thecenter ;,of"tl ie chamber and the taper of the chamber extending incl 1 from the points 1, 1 in the walls tothe top of the chamber; Fig. 3 is a vertical' 'trans' I.

1 taken onthe line A--A ,of Figure 1,'sh0w-;

verse section through a battery'of two ovens ing the coking retort, or chamber tapering upwardly and from y the points 2, 2 in the walls of; the chamber orretort to the top; Q

Fig is a vertical transverse section throu line in of F g. 1,

a batteryof two ovenstaken on the showing the walls forming the coking retorts inclined toward the vertical plane of the retorts and the taper of the retorts extending from the points 3, 3 in the vertical walls to the top of the reis avertical transverse" tort chamber; Fig. section through a battery ottwo ovens t taken on the line A-A of Fig. 1, showing the coking retort taperingupwardly-and the" taper :rtending completely from the bottom to the top of the chamber; and Fig. 6 is ahorizontal section through three combus the points 1, 1 in Fig. 2 to the top of the chamber. Similar section-s taken on this line through Figs. 3, l and 5 would be identical with thls'.

Fig. 2 showing the inclination of the walls- 8 from the points 1, -1 in the walls to the top of the coking retort or chamber 10 is intended to be used for a coal which has but-"a slight tendency to form sponge during the coking process. In the operation of a coke ing retort or chamber of this design,v the walls from the points 1, 1 to the top would be kept at a lower temperature than that portion-"0f the walls below these points, due to the decreased amount of coal contained in this portion or" the oven; and: hence theamount of sponge is reduced correspondingly with the reduction in ten'iperature. Also in a coking retort or chamber of this type the amount of sponge produced will be still further reduced by the fact that the direction of coking is at right angles to the heating walls of the conibustionfiues' 9,,

hence in the upper portion of this chamber the bubbling of the fusion which 1s the cause of the sponge production will-be hindered to a considerable degree by the downward coking efiect.

Fig. 3 shows the coking retort or chamber tapering upward from the points 2, Zto the top of the chamber and is intended for use in connection with a coal. which has a greater tendency to form sponge thanthatwhich would be used m connection with Fig; 2

described above. In this, case the same sle ment's enter into the prevention of sponge are outlined inthe preceding p graph,

F ig, 4: shows the coking retort or chamber tapering upward from the points 8, 3 to the top of the chamber and is intended for a coal which has a tendency to form a great amount of sponge, the angle of deflection of the walls to be determined as the characteristics of the coal may require.

Figtfi. shows the coking retort or chamber tapering upward from the bottom of the chamber completely to the top and is intended for use in connection with a coal which has a tendency to form a very great amount of sponge'du'ring the coking process, the angle of the taper of the coking chamber to be determined by the characteristics of the:coal to be used.

My invention as hereinafter claimed may, of course, be embodied in various way and forms other than the embodiment which has here been used as an illustrative instance. Those features of my invention exemplified in the above description and which relate particularly to the employment of coking retorts of a horizontal coking oven having walls inclined toward the central plane of the retorts at the top for a coal which has a tendency to form sponge during the coking process, may be of such an angle as best adapted for the coalto be used, and the deflection may start at any point or points in. the perpendicular walls of the chamber and extend upward to any point or points in the walls orto the top of the coking retort.

I claim V A coke oven structur comprising alter-- nate coking retorts and'vertical combustion flues, the walls of thelower portions of both the retorts and thccombustion flues'being parallel, and in eacliretort the upper portion of each wall connnon tovthe retort and the middle vertical plane of the retort, and away from, the said plane of said contiguous combustion fines, so that the lower portion of both retorts and combustion fines is a parallelepipedon, and the upper portion, a ti pezoidal' prism, the upper side of said prism being broader than the lower in the combustion fines and narrower in the retorts.-f v I a y In testimony whereof I my signature.

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the contiguous fines being inclined toward

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