US1704209A - Assioknob - Google Patents

Description

March 5, 1929. N. s. PARRY COKE OVEN VALVE CONSTRUCTION Filed Sept. 6, 1921 s Sheets-Sheet 1 lLlllllllllllllllll'lnllllll lIlKlIlllllll I] March 5, 1929. N. e. PARRY COKE OVEN VALVE CONSTRUCTION Fi led Sept. 6, 1921 3 Sheets-Sheet 2 March 5,1929. N, PARRY 1,704,209

A (JOKE OVEN VA LVE CONSTRUCTION Filed Sept. 6, 1921 :s Sheets-Sheet 3 X I L Y M Patented Mar. 5, l t r UNETED Prklttlhll NATHANIEL G. PARRY, OF PITTSBURGH, PENNSYLVANIA, ASSIGNQR TO THE KOPPERS COMPANY, OF PITTSBURGH, PENNSYLVANIA, A COB-PGRATION OF PENNSYLVANIA.

COKE-VEN-VALVE CONSTRUCTION.

Application filed September 6, 1321. Serial No. 498,871.

This invention relates to an improved features of construction and operation are, valve construction that is of especial utility however, capable of other valuable applicain conjunction with by-product coke ovens; tien; consequently, the scope of the inventhe invention has for an object to provide a tion is not confined to the specific use and valv'e'that combines simplicity and economy. specific embodiment herein described as an ilof construction with a capacity for being lustrative example.

readily adjusted to vary the quantity of the Referring to Figure 1 of the drawings, media which flows through the valve and to there is illustrated a fragment of a coke oven permit accurate regulation of the media flowbattery or plant of the by-product type,

0 ing from the valve, in order, for example to which plant embodies in its construction,

insure the supply of a properquantity of regenerators designated generally atll and a gaseous mediunnsuch as 'fuel gas, air, or havin sole channels 12 that communicate at waste gas, to the regenerative or flue areas their outer ends with flow boxes 13. EX- of a by-product coke oven. tendinglengthwise of the batteryis a main 15 In addition to the general objects recited 1 1 which is adapted, as explained in the above, the invention has for further objects hereinabove mentioned co-pending applicasuch other improvements and advantages in tien of Joseph Becker, Serial No. 42 1,8 16, construction or operation r are found to during coke oven gas operation, to supply obtain in the structures and devices herecoke oven gas through the valve controlled 20 inafter described or claimed. In the acconnections 15, to such of the flame flues of companying drawings, forming a part of the battery as are burning, or alternatively, this specification and showing, for purposes during the employment of an extraneously of exemplication, a preferred form and manderived gas such as producer gas, to supply ner in which the invention may be embodied such extraneously derived gas to the sole chan- 25 and practiced, but without limiting the nels of the in-flow operating regenerators so claimed invention to such illustrative inthat are used 'for heating the gas prior stance or instances: to its delivery to the flame or combustion Figure 1 is a fragmentary sectional elevafiues. For the latter purpose, the aforesaid tion of a by-product coking plant or battery, main 14 is communicably connected by means 0 showing a portion of the mechanism for con of a plurality of gas pipe assemblies 16 retrolling the flow of the gaseous media spectively with the flow boxes 13 of the said through the flue and regenerative areas of regenerat'ors. the battery, said mechanism being equipped The present invention is chiefly concerned with an improved valve constructed in 210- with the valve 17, that is embodied in each 35 eordance with the present invention; pipe assembly 16 and is especially constructed Fig. 2 is a detailed plan view ofthe valve; 'to insure the delivery of regulable quantities Fig. is anelevation of the same; of. gaseous media into the sole channels of the Fig. 1 is a horizontal section of the valve; regenerators communicably connected with and suchpipeassemblies. This valve embodies 40 Fig. .5. is avertical section of the valve. in its construction a hollow casing 18 pro- The same characters of reference designate vi'ded with a central valve chamber 19, prefthe same parts in each of the several views erably of inverted frusto-conical shape, as of the. drawings. shown in Fig. 5 and provided at its opposite In its present embodiment, tlieinvention is ends with flanges 20 for being secured to simiespecially designed for use in connection larflanges 210$ the pipe assembly 16 in which with the flow-control mechanism of a bythe valve17 is incorporated. As shown more product coking plant, such as is illustrated particularly in Fig. 4-, clean-out or inspection in the accompanying drawings, and having ports 22'are provided in extensions 2301i the features exemplified in the co-pending apopposite sides of th valve i 1 th Outer 50 plication of Joseph Beckerfor Letters 'Patends of such ports being'normally closed by ent of the United States fora coking retort caps 24. Thesecaps 2 1 respectively have a even,.filed November 18, 1920,.Serial No. threadedengagement, asshown in Fig. 4, 42 1,8 16. v with the extensions 23 of the valve casing. For convenience, the present description 7 The opposite ends of the valve chamber 19 I 55 will be confined to this use of the invention; respectively communicate with an inlet port inverted l'rusto-conical wall of the valve chamber 19. Said valve body 29 is provided with an inlet port and an outlet port 36,

which are respectively moved more or less into registry with the inlet and outlet of the valve chamber 18, when the valve is in open position.

In accordance with the invention, the degree, of movement 01' the valve body 19 is made regulable, so as to vary the amount of reg- .istration of theports 35 and 36 with the inlet 27 and outlet 28 and thus to control the quantity oi gaseous medium which flows per unit of time through the valve. This regulation, moreover, is effected in such manner that, although the degree of movement of the valve body itself may be varied, nevertheless the valve body is operated by a i'ueu'lber of which the degree of movement is constant, with the result that the adjustment of the valve body is substantially independent of the operating means and a plurality of valves may be employed in the coke oven structure and all operated from a central control, the throw of which is the same at its point of connection operating arm 39,15,

with each valve.

As shown, the valve body 29 is provided with a concentric upstanding shank 37 on which is mounted, for movementrelatively to the valve body, the collar 38 oil the valve-operating arm 39. Secured to the shank 37, by means of apin 40 is a fixed collar 41 which supports the uppe' and lover semi-circular plates 42 and 43 of a segment 44 that moves ,with the valve body 29. As shown, the valve extended between the upper and lower plates 42 and of the segment 44, and the movement of said valve-operating arm is limited bya pair of fixed stops 45pmjecting upwardly from the top of the valve casing. ,For the purpose of transmitting the movement of the valve-operating arm 39 to the valve body 29, there is provided an adj 11stable abutment 46 that is extended through a curvilinear slot 47 provided in the upper plate member 42. Mounted on the top face of the abutment 46 is a pin 48 which supports a cam lever 49. The cam lever 49 may be operated-to apply pressure to the abutment 46 to press its upper horizontal face into engage ment with the lower face of the upper plate member 42, inorder to retain the abutment 46 in fixed position. By a reverse operation of the cam 49 such pressure may be released in order to permit a sliding movement of the abutment 46 in the slot 47 Asshown, in Fig. 2, the upper plate member 42, is providedwith a scale 50 for indicating the amount of opening of the valve in any position of the abutment 46. As the abutment 46 constitutes the means of transmitting the power to operate the valve from the valve-operating arm 39,

the position of said abutment 46 prior to the operation of said arm 39 will determine the amount of lost motion which must take place before the, arm 39 engages the abutment and starts the valve on its opening movement. The position of the abutment 46 thus determines the extent of opening of the valve. By moving the abutment 46 toward the arm 39, the lost motion will be reduced "ith the result that the valve will be opened to a greater extent. On the other hand, an adjustment of the abutment 46 away from the normal posi- 7 tion of the arm 39 will increase the amount of 7 lost motion, with the result that the complete stroke of the arm 39 will impart only a partial stroke to the valve body to open the latter only part way. On its return movement, after the valve has been opened, the arm 39 ena fixed abutment 51 to restore the valve body to its normal position, the lost motion in the return or closing movement of the valve body being the same as that in the forward or opening movement.

In its present embodiment, the valve isv opened or closed, by means of the usual reversing cable 52. This cable isprovided with a connection adjustable in a slot 53 of the valve-operating arm 39. On movement of the cable 52 in one direction, the valve body 29 is turned to open the valve to an extent determined. by the adjustment of the abutment 46 relatively to the original position of the arm 39; whereas, on movement of the cable 52 in the opposite direction, the valve body 29 is turned to close the valve. 7

The invention as hereinabove set forth is embodied in a particular form of construction, but may be variously embodied within the scope of the claims hereinafter made,

I claim: I

l. A valve construction for the purpose herein set forth, comprising: a casing constituted of a valve chamber and having an inlet and an outlet; a valve body seated within said ch amber and having ports respectively co-operable with said inlet and sai d outlet; a valve operating member rotatably mounted relatively to said valve body and having a relatively constant opening and closing movemerit; a segment secured to said valve body; and an adjustableabutment carried by said segment for engagement with said valveoperating member, the abutment being movable toward or away. from the valve-operating member to cause the valve body to he opened to a regulatable extent by the constant operative movement of said valve-operating memment; and an adjustable means carried bysaid valve body for transmitting the motion of the valve-operating member to the valve body to cause the valve body to be opened to a regulatable extent by the constant operative movement of said valve-operating member; substantially as specified.

3. A valve construction for the purpose herein set forth, comprising: a casing constituted of a valve chamber; a valve body seated within said chamber, said valve body provided with ports; a swinging valve-operating member having a relative constant opening and closing movement; and means carried. bysaid valve body for varying the degree of-motion imparted by said valveoperating member to said valve body to cause the valve body to be opened to a regulatable extent by said valve-operating member; sub stantially as specified.

4. In valve constructions for the purpose herein set forth, casings constituted of valve chambers; ported valve bodies-for said chambers; common valve-operating means; and means for regulating the extent of movement of sald valve bodies independently of the extent of movement of said valve-operating means and independently of each other; substantially as specified.

5. In valve constructions for the purpose herein set forth, casings provided with cham hers; valve members associated with said chambers; means for operating said valve members in common, said means having lost motion connections withsaid valve members; and means for independently regulating the degree of lost motion between said respective valve members and said operating means.

6. In valve constructions for the purpose herein set forth, casings provided with eham hers; valve members associated with said chambers; independently operating means for said valve members; means carried by said valve members for actuating said valve operating means in common; and means for regulating the extent of movement of said respective valve operating means with respect to that of said actuating means and with respect to each other.

7. In a valve controlling mechanism, the combination of a valve having adjustable means mounted thereon for controlling the degree of opening of said valve, and valve operating means having a constant swinging movement adapted to engage said adjustable means to open said valve to the degree determined by said adjustable means.

8. I11 a valve controlling mechanism, the combination of a valve having adjustable means mounted thereon for controlling the degree of opening of said valve, valve oper ating means having a constant swinging movement adapted to engage said adjustable means to open said valve to the degree determined by said adjustable means, and means carried by said valve and engaged by said valve operating means for moving said valve to closed position when said operating means are moved in reverse direction.

.9. In a valve controlling mechanism, the combination of a valve having adjustable means carried thereby and adapted to be ri 'idl connected therewith for determinin the extent of opening'of said valve, and valve operating means having a swinging movement of constant magnitude in opposite directions in a path substantially coincident with the range of adjustment of said adjustable means and engaging said adjustable means to open said valve to the degree determined by said adjustable means.

10. In a valve controlling mechanism, the combination of a valve having adjustable means carried thereby and adapted to be rigidly connected therewith for determining the extent of opening of said valve, and valve operating means having a swinging move ment of constant magnitude in opposite directions in a path substantially coincident with the range of adjustment of said adjustable means and engaging said adjustable means to open said valve to the degree determined by said adjustable means, and-means carried by said valve and engaged by said valve operating means for moving said valveto closed position when said operating means are moved in av direction opposite to that employed in opening said valve.

In testimony whereof I affix my signature, this 26th day of August, 1921.

NATHANIEL G. PARRY.

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