US887086A - Regulator for boiler-feeders. - Google Patents
Regulator for boiler-feeders. Download PDFInfo
- Publication number
- US887086A US887086A US30747706A US1906307477A US887086A US 887086 A US887086 A US 887086A US 30747706 A US30747706 A US 30747706A US 1906307477 A US1906307477 A US 1906307477A US 887086 A US887086 A US 887086A
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- Prior art keywords
- water
- regulator
- fuel
- boiler
- feeders
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- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
Definitions
- My invention relates to regulators for au tomatic or self feeding furnaces, and more particularly tosuch devices when-applied to furnaces that use the refuse, as shavings etc.
- Figure 1 is a front elevatifonfof a battery of two boilers )rovided with apparatus.
- Fig. 2 is a si e elevation of the forward end res ective furnacesandares'upplied with. Y fue through chutes 3 and 4. --The fuel is fed of one of the boilers.
- Fig. 3 is a sectional elevation of the regulator.
- Fig. .4 is a sectional view of the feeding'apparatu's. Referring more particularly to the drawings, 1 and 2 indicate the boilers and their to the chutesfrom the ordinary'jseparator 5' throu 'h charging mechanism 6as more fully descri ed in my a plication Serial. Number 307,476 filed Marc 1 22, 1906.
- the i c 'al'ge of the fuel into the chutes is controlled by a tilting bucket 12..one for each chute; only one being shown in dotted lines in Fig. l.
- valve 29 at the other.
- a stem24 fits in t "e hollow of the stem 22 and has a head 25 attits upper end which forms a bearing, preferably'asa'knife edge, upon which-rests a lever 26, the lever being'preferably curved or -rece'ssedat that point to form a seat.
- auxiliary weight or counterbalance 33 is preferably provided for fine adjustments and is mounted on a bracket foroperating the same is not shown in detail as it forms no part of the present invent on.
- the valve 29 fits Within a T 35 at the upper end of the water supply pipe 36 and controls the passage of water into a' branch ipe 37, with which branchlthe pipes 13 an 14 are connected inthe usual manner. trance of water to the T is controlled by a valve 38 in the pi e 36 and the entrance of steam to the diap ragm chamber 16 is controlled by a valve 39.
- means are preferably provided for controlling them by means of the draft, as through doors 40, preferably in front of and below the rates.
- the doors are preferably hinged eac at its upper edge so as to close by gravity, and is provided with a projection 41 upon one of 1ts ends against which a curved; arm 42 is adapted to engage and swing the door upward.
- the arm is pivoted to the front of the furnace and is adapted to be swun outward by a cord 43 which passes overpu leys .44 and is connected with the free end of the lever 26, said end being pro-- vided with a series of erforations 45 for per mitting the cord to e secured at diflerent points to secure the desired amount of movement of the dam er from the movements of the lever.
- W en two furnaces are being used, as in the present instance, the doors 40 are referably connected by a bar .46, a ainst w ich the arm 42 engages and there y controls the movements of the doors simultaneously. If the steam pressure falls, the weight 28 causes lever 26 to pull upon cord 43, so as to open the damper and to increase the draft. As steam pressure rises, its action'on diaphragm 18 tends to overcome Weight 28, t0 slacken cord 43 and to permit the damper to close, partially or wholly, by its own gravity.
- the regulator is preferably located at some point convenient to the engineer, as upon a bracket 47 at one side of one of the boilers, for, although it is entirely automatic in its operation afterit has been adjusted, the attendant must regulate the flow of water and the opening of the dampers at the beginning of operations and occasionally during its operations to compensate for the variations of conditions that naturally arise.
- the fuel is fed into the charge until it exceeds the counterbalance when the chamber will be opened and its contents discharged into the chute from whence it passes to the furnace.
- the attendant can vary the flow of water and the opening of the damper accordingly, after which the automatic. mechanism will properly control both without further care or attentirm from the attendant.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
PATENTED MAY 12, 1908.
G. W. GARDNER.
REGULATOR FOR BOILER FEEDERS.
APPLIGATION FILED MAR.22, 1906.
3 SHEETS-SHEET 1.
I N VENTOR WITNESSES:
ATTORNEY)? No. 887,086. PATENTED MAY 12, 1908. G. W. GARDNER.
REGULATOR FOR BOILER FEEDBRS.
APPLIGATION FILED MAR. 22, 1906.
3 SHEETS-SHEET 2.
WITNESSES: INVENTOR.
- We BY .6 a; 4-. ATTORNEY/5T No. 88?;086. PATENTED MAY 12, 1908.
v G. W. GARDNER.
REGULATOR FOR BOILER FEEDERS.
APPLICATION FILED MAR. 22; 1906.
3 SHEETS-SHEET 3,
' UNITED STATES PATENT onrron. I V
GEORGE-W. GARDNER, OF SAN FRANCISCO, CALIFORNIA.
REGULATOR FOR BOILER-@EEEDERS.
Specification of Letters Patent.
Patented May '12, 1908.
Application flledf liarch 22, 1906. SerialNo. 307,477.;
T 0 all whom it may concern:
Be it known that I, GEORGE W. GARDNER, a citizen of the United States, residing at San Francisco, in the county of San Francisco.
and State of California, vl ave invented certain new and useful Improvements in Reg-u lators for Boiler-Feederaof which the following-is a specification.
My inventionrelates to regulators for au tomatic or self feeding furnaces, and more particularly tosuch devices when-applied to furnaces that use the refuse, as shavings etc.
from wood working machinery as fuel.
In utilizing the waste from laning mills for fuel, it is necessary that it e fedintermittently through chutes to prevent the liabilit of fire passingto the source of supply, as might occur it the fuel were fed in a'c'onstant stream It is also necessary that the operation of the feeding apparatus be'automatic and preferably be controlledby the 1- pressure of-the steam in the boiler.
As water mustbe provided for generating the steam, I utilize it for controlling the oper ation of the feeding mechanismandthen control the flow or movement of the water by suitable means, one form of'which is shown in the accompanying (.lrawings,- in which,
Figure 1 is a front elevatifonfof a battery of two boilers )rovided with apparatus.
1 Fig. 2 is a si e elevation of the forward end res ective furnacesandares'upplied with. Y fue through chutes 3 and 4. --The fuel is fed of one of the boilers. Fig. 3 is a sectional elevation of the regulator. Fig. .4 is a sectional view of the feeding'apparatu's. Referring more particularly to the drawings, 1 and 2 indicate the boilers and their to the chutesfrom the ordinary'jseparator 5' throu 'h charging mechanism 6as more fully descri ed in my a plication Serial. Number 307,476 filed Marc 1 22, 1906.
When the fuel is su lied from-the m9: chinery-of alaning mi it enters the separator throug the ipe 7 and the sur lus is discharged into a bin or other receptac e, not shown. through the outlet 8. A regulator or valve for deflecting the fuel to one chute or the other iscontrolled'by a cord 9 and spring 10 enga in with an arm 11;
The i c 'al'ge of the fuel into the chutes is controlled by a tilting bucket 12..one for each chute; only one being shown in dotted lines in Fig. l.
with a valve 29 at the other.
I lever.
The. particular, construction of mechanism The buckets are adapted to be filled with waterfrom pipes 13 and 14, and the flow is controlled manually by valves 1.5.and 16, and
' automatically by the steam ressure'of the hollow-stem22' of a diskor piston 23, whichrests upon the diaphragm and is adapted to be moved vertical thereby, the bottom of the disk being pre erably rounded to corre spondwithithe concavity. A stem24 fits in t "e hollow of the stem 22 and has a head 25 attits upper end which forms a bearing, preferably'asa'knife edge, upon which-rests a lever 26, the lever being'preferably curved or -rece'ssedat that point to form a seat. lever is pivoted between cars 27 on one of the bracketsZO and is provided witha movable The weight 28 on its free end and' is connected The free end preferably extends through a slotted standard 3O andits downward movement is limited by across piece 32. An auxiliary weight or counterbalance 33 is preferably provided for fine adjustments and is mounted on a bracket foroperating the same is not shown in detail as it forms no part of the present invent on.
34 Whichi-s connected at its ends with the.
The valve 29fits Within a T 35 at the upper end of the water supply pipe 36 and controls the passage of water into a' branch ipe 37, with which branchlthe pipes 13 an 14 are connected inthe usual manner. trance of water to the T is controlled by a valve 38 in the pi e 36 and the entrance of steam to the diap ragm chamber 16 is controlled by a valve 39.
The en- The valves 38 and 39 having been opened to pass water and steam respectivel from pipes 36 and 15- the regulation of t e flow of water and consequently of the fuel feed, is thereafter automatic and results from varyin steam pressure. If the steam pressure falls, calling for more fuel, the weight 28,
acting on lever 26, and thence upon the water valve 29, causes the water passage leading to pipes 13, 14 to be enlarged, more water to be sup lied, and charges of fuel to be admitted wit greater frequency because of the more frequent tilting of the buckets 12. As the steam pressure increases, its' action on the diaphragm 18 tends to overcome counterweight 28; and when this has taken place, water valve .29 is moved so as to reduce the size of the water passage and the supply of water to the buckets 12, thus lessening the fuel supply.
In addition to the foregoing means for'controlling the furnace fires by the admission of fuel, means are preferablyprovided for controlling them by means of the draft, as through doors 40, preferably in front of and below the rates. The doors are preferably hinged eac at its upper edge so as to close by gravity, and is provided with a projection 41 upon one of 1ts ends against which a curved; arm 42 is adapted to engage and swing the door upward. The arm is pivoted to the front of the furnace and is adapted to be swun outward by a cord 43 which passes overpu leys .44 and is connected with the free end of the lever 26, said end being pro-- vided with a series of erforations 45 for per mitting the cord to e secured at diflerent points to secure the desired amount of movement of the dam er from the movements of the lever. W en two furnaces are being used, as in the present instance, the doors 40 are referably connected by a bar .46, a ainst w ich the arm 42 engages and there y controls the movements of the doors simultaneously. If the steam pressure falls, the weight 28 causes lever 26 to pull upon cord 43, so as to open the damper and to increase the draft. As steam pressure rises, its action'on diaphragm 18 tends to overcome Weight 28, t0 slacken cord 43 and to permit the damper to close, partially or wholly, by its own gravity.
The regulator is preferably located at some point convenient to the engineer, as upon a bracket 47 at one side of one of the boilers, for, although it is entirely automatic in its operation afterit has been adjusted, the attendant must regulate the flow of water and the opening of the dampers at the beginning of operations and occasionally during its operations to compensate for the variations of conditions that naturally arise.
Although I have shown and described my invention as applicable to feeding refuse it could be utilized for feeding coal or other fuel as well.
In operation the fuel is fed into the charge until it exceeds the counterbalance when the chamber will be opened and its contents discharged into the chute from whence it passes to the furnace. At anytime that the operation of the automatic mechanism fails to properlycontrol the fire to keep the steam at the desired pressure, the attendant can vary the flow of water and the opening of the damper accordingly, after which the automatic. mechanism will properly control both without further care or attentirm from the attendant.
What I claim is:
In a regulator for boiler feeders, a charge chamber, water controlled means for emptying the same, a damper for the furnace, and means for simultaneously controlling said means and the damper by the steam pressure. In testimony whereof I have affixed my signature, in presence of two witnesses, this 12th day of March 1906.
' GEORGE W. GARDNER.
Witnesses:
F. M. BARTEL, W. S. BOYD.
chamber and the water'flows into the bucket
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30747706A US887086A (en) | 1906-03-22 | 1906-03-22 | Regulator for boiler-feeders. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30747706A US887086A (en) | 1906-03-22 | 1906-03-22 | Regulator for boiler-feeders. |
Publications (1)
Publication Number | Publication Date |
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US887086A true US887086A (en) | 1908-05-12 |
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US30747706A Expired - Lifetime US887086A (en) | 1906-03-22 | 1906-03-22 | Regulator for boiler-feeders. |
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1906
- 1906-03-22 US US30747706A patent/US887086A/en not_active Expired - Lifetime
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