US1913668A - Gas generator grate having adjustable eccentricity - Google Patents
Gas generator grate having adjustable eccentricity Download PDFInfo
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- US1913668A US1913668A US339885A US38988529A US1913668A US 1913668 A US1913668 A US 1913668A US 339885 A US339885 A US 339885A US 38988529 A US38988529 A US 38988529A US 1913668 A US1913668 A US 1913668A
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- United States
- Prior art keywords
- grate
- axis
- circle
- rotation
- gas generator
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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.)
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
- C10J3/34—Grates; Mechanical ash-removing devices
Definitions
- 'Ihe present invention relates to rotatingV inechanical grates for gas generators.
- the object of the invention is the provision of means for readily varying the degree of eccentricity of a mechanical grate with ⁇ respect to itsaxis of rotation.
- the variation of generator operating conditions such as, for instance, the maximum temperature attained in the fuel bed during the operating cycle, if it is a water gas generdesirable the varying of the eccentricity of the grate.
- FIG. 2 shows aipartial horizontal cross section along the line 2 ⁇ 2 in Figure l.
- Figure 3 shows a partial horizontal cross section similar' to Figure 2, but with the grate set for the maximum provided eccentricity.
- l generally indicates the outside oi fire Wall of the generator, bounding the fuel space 2.
- 3 indicates the grate, which is mounted on the ash pan 4:, and secured thereto by the bolts 5 extending through bolt holes arranged at ⁇ equal intervals in circles on the grate and the ash pan.
- the ash pan and grate are provided vvith suitable means for rotation, as for instance, the worm wheel 6 driven by the worin 'i' mounted on the shaft 8 which is driven by a motor, not shown, the ash pan and grate rotating on the bearings 9.
- These means for rotation are indicated in Figure 1 as is the plough 10 for removing ash and clinlrer from the ash pan to the ash pocket ll.
- the gas producing fluids such as air and steam are introduced to the interior grate 'l
- the bolt circle of the ash pan is arranged eccentrically with respect to the axis of rota- ⁇ tion which is indicated as B-B in Figure l and as B in Figures 2 and rlhe axis of the bolt circle of the ash pan is indicated as the line CfC in Figure l and() in Figures 2 and 3. ⁇ n
- the bolt circle of the grate is arranged eccentrically with respect to the airis of the grate in the saine degree that the bolt circle ofthefash pan is eccentric to the axis of rotation of the ash pan and grate.
- Intermediate eccentricities of the grate with respect to the axis oi' rotation may be attained by revolving the grate to a less or greater extent than 1S() degrees.
- the number of intermediate eccentricities attainable depends on the number ot vbolt holes in the bolt circles. In Figures 2 and 3, three inter mediate positions are provided.
- means for varying the eccentricity of tne grate with r-espect to its axis of rotation comprising, ran ash pan supporting the grate and having' a circle of bolt holes therein arranged eccentrically With respect to the axis oi' rotation, and a n'rate having a circle of bolt holes therein arranged eccentrically With respect to the axis of the grate.
- means for varying the crushing action exerted upon the clinlrer comprising a mechanical grate, a support having ⁇ a circle of bolt holes therein, means for rotating the grate and the support, said mechanical grate having a. circle of bolt holes therein cooperating by means of bolts with the circle of bolt holes in the support, the circle of bolt holes on the grate being arranged eccentrically With respect to the axis of the grate, and the circle of bolt holes in the support being arranged eccentrically to the axis of rotation, whereby the eccentricity of the grate with respect to the axis of rotation may be varied.
- a mechanical grate comprising a mechanical grate, a support having a circle of bolt holes therein, means for rotating the grate and the support, said mechanical grate having a circle of bolt holes therein cooperating by means of bolts with the circle of bolt holes in the support, the circle of bolt holes on the grate being arranged eccentrically with respect to the axis of the grate, and th-e circle of bolt holes in the support being arranged eccentrically to the same degree to the axis of rotation, Whereby the eccentricity of the grate with respect to the axis of rotation may be Varied.
- means for Varying the crushing action exerted upon the clinker comprising -a mechanical grate, an ash pan having a circle of bolt holes therein, means for rotating the grate and the ash pan, said mechanical grate having a circle of bolt holes therein cooperating by means of boltswith the circle of bolt holes in the ash pan, the
- a gas generator lia-ving means for varying the eccentricity of the grate With respect to its axis or rotation comprising in combination, a rotatable support having fastening means thereon eccentric to the axis of rotation of the support, and a mechanical grate having fastenin(T means thereon eccentric to the axis of the grate and adapted to cooperate with the fastening means on the support to secure the support and the grate together.
- Ash supporting means for a combustible gas generator comprising in combination a rotatable grate having a plurality ot fastening means arranged in a circle thereon eccentric to the axis of said grate, and an ash pan adapted to support said grate thereon and having a plurality of cooperating fastening means thereon arranged in a circle eccentric to the axis of rotation of said ash pan.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
Description
' June 13, 1933. s, HAUS 1,913,668
GAS GENERATOR GRATE HAVING ADJUSTABLE ECCENTRICITY Filed Sept. 3, 1929 Patented June 13, 1933 i .form sf entre', or rrrrtiinriririi*f4 3 `ad ator, may also make UNITED i sTATEs PATENT OFFICE rnrrirsrrivnnra assreiron frol unfrei) ENGINEERS f& ccnsfrru'cfrons fno., rrrrrinnniirniarenner/rivelata a conronarioir or www " f das GENERATOR GRATIE navires ADJUSTABLE nccanrnrcrr i Applicatonled September 3, 1929. Serial No. 339,885.
'Ihe present invention relates to rotatingV inechanical grates for gas generators. v
i The object of the invention is the provision of means for readily varying the degree of eccentricity of a mechanical grate with `respect to itsaxis of rotation. i
It is desirable in the operation of a gas generator to be able to use efficiently a variety of fuels and towthis end itis desirable to provide means for varying the action of the mechanical grate. .l
In the use of fuels producing large amounts of hard clinker, it isnecessary for the grate to eXert considerable crushing action on the clinlrer and this may be effected by providing the grate with considerable eccentricity, the grate crushing the clinker between itself and the generator wall.
With fuels producing less hard clinlren this eccentricity may be reduced, while the most desirable fuels from a clinker standpoint, satisfactory operation may b e secured with a grate concentric withits aXis of rotation. y
The variation of generator operating conditions, such as, for instance, the maximum temperature attained in the fuel bed during the operating cycle, if it is a water gas generdesirable the varying of the eccentricity of the grate. i
The crushing action of an eccentric grate `results in considerable wear on the grate itpartial elevation, and partialvertical cross section, and illustrating the present invention with with the grate concentric with its axes of rotation.
i Figure 2 shows aipartial horizontal cross section along the line 2`2 in Figure l.
Figure 3 shows a partial horizontal cross section similar' to Figure 2, but with the grate set for the maximum provided eccentricity.
Referring to Figures l, 2 and 8,
l generally indicates the outside oi fire Wall of the generator, bounding the fuel space 2. 3 indicates the grate, which is mounted on the ash pan 4:, and secured thereto by the bolts 5 extending through bolt holes arranged at` equal intervals in circles on the grate and the ash pan. The ash pan and grate are provided vvith suitable means for rotation, as for instance, the worm wheel 6 driven by the worin 'i' mounted on the shaft 8 which is driven by a motor, not shown, the ash pan and grate rotating on the bearings 9. These means for rotation are indicated in Figure 1 as is the plough 10 for removing ash and clinlrer from the ash pan to the ash pocket ll. The gas producing fluids such as air and steam are introduced to the interior grate 'l The bolt circle of the ash pan is arranged eccentrically with respect to the axis of rota-` tion which is indicated as B-B in Figure l and as B in Figures 2 and rlhe axis of the bolt circle of the ash pan is indicated as the line CfC in Figure l and() in Figures 2 and 3.` n
The bolt circle of the grate is arranged eccentrically with respect to the airis of the grate in the saine degree that the bolt circle ofthefash pan is eccentric to the axis of rotation of the ash pan and grate.
` By arranging `the grate on `the ash pan so that the eccentriciti-es of thetvvio bolt circles opposeeach other, the axis of the grate coincides with the artis of rotation and the grate is concentric. This arrangement is shown in Figuresl and 2.
By unbolting the grate `and revolving it on the ash pan 18() degrees from the position ofFig-uresl and 2, the position indicated in 'rai Figure 3 is attained in which the eccentricities of the two bolt circles supplement each other so that the axis of the grate indicated as D is eccentric with respect to the axis of rotation B, by the sum of the eccentricities of the bolt circles, or since they are equal, by twice the eccentricity of the grate with respect to its axis.
Intermediate eccentricities of the grate with respect to the axis oi' rotation may be attained by revolving the grate to a less or greater extent than 1S() degrees. The number of intermediate eccentricities attainable depends on the number ot vbolt holes in the bolt circles. In Figures 2 and 3, three inter mediate positions are provided.
I claim l. In a gas generator provided with a mechanical grate, means for varying the eccentricity of tne grate with r-espect to its axis of rotation, comprising, ran ash pan supporting the grate and having' a circle of bolt holes therein arranged eccentrically With respect to the axis oi' rotation, and a n'rate having a circle of bolt holes therein arranged eccentrically With respect to the axis of the grate.
2. In a gas generator, means for varying the crushing action exerted upon the clinlrer, comprising a mechanical grate, a support having` a circle of bolt holes therein, means for rotating the grate and the support, said mechanical grate having a. circle of bolt holes therein cooperating by means of bolts with the circle of bolt holes in the support, the circle of bolt holes on the grate being arranged eccentrically With respect to the axis of the grate, and the circle of bolt holes in the support being arranged eccentrically to the axis of rotation, whereby the eccentricity of the grate with respect to the axis of rotation may be varied.
3. In a gas generator, means for varying the crushing action exerted upon the clinker,
"comprising a mechanical grate, a support having a circle of bolt holes therein, means for rotating the grate and the support, said mechanical grate having a circle of bolt holes therein cooperating by means of bolts with the circle of bolt holes in the support, the circle of bolt holes on the grate being arranged eccentrically with respect to the axis of the grate, and th-e circle of bolt holes in the support being arranged eccentrically to the same degree to the axis of rotation, Whereby the eccentricity of the grate with respect to the axis of rotation may be Varied.
t. In a gas generator, means for Varying the crushing action exerted upon the clinker, comprising -a mechanical grate, an ash pan having a circle of bolt holes therein, means for rotating the grate and the ash pan, said mechanical grate having a circle of bolt holes therein cooperating by means of boltswith the circle of bolt holes in the ash pan, the
circle of bolt holes in the grate being arranged eccentrically With respect to the axis of the grate, and the circle of bolt holes in the ash pan being arranged eccentrically to the axis of rotation, whereby the eccentricity of the grate with respect to the axis of rotation may be varied.
5. A gas generator lia-ving means for varying the eccentricity of the grate With respect to its axis or rotation comprising in combination, a rotatable support having fastening means thereon eccentric to the axis of rotation of the support, and a mechanical grate having fastenin(T means thereon eccentric to the axis of the grate and adapted to cooperate with the fastening means on the support to secure the support and the grate together.
6. Ash supporting means for a combustible gas generator, said means comprising in combination a rotatable grate having a plurality ot fastening means arranged in a circle thereon eccentric to the axis of said grate, and an ash pan adapted to support said grate thereon and having a plurality of cooperating fastening means thereon arranged in a circle eccentric to the axis of rotation of said ash pan.
JOHN S. HAUG.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US339885A US1913668A (en) | 1929-09-03 | 1929-09-03 | Gas generator grate having adjustable eccentricity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US339885A US1913668A (en) | 1929-09-03 | 1929-09-03 | Gas generator grate having adjustable eccentricity |
Publications (1)
Publication Number | Publication Date |
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US1913668A true US1913668A (en) | 1933-06-13 |
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Application Number | Title | Priority Date | Filing Date |
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US339885A Expired - Lifetime US1913668A (en) | 1929-09-03 | 1929-09-03 | Gas generator grate having adjustable eccentricity |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2574021A (en) * | 1948-11-26 | 1951-11-06 | Harry H Culver | Clinker crushing furnace grate |
US4388876A (en) * | 1981-04-06 | 1983-06-21 | Enterprises International, Inc. | Ash removal system |
US4576101A (en) * | 1984-02-27 | 1986-03-18 | Detroit Stoker Company | Stoker |
US4633849A (en) * | 1983-11-21 | 1987-01-06 | Detroit Stoker Company | Central feed rotary automatic ash discharge stoker |
-
1929
- 1929-09-03 US US339885A patent/US1913668A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2574021A (en) * | 1948-11-26 | 1951-11-06 | Harry H Culver | Clinker crushing furnace grate |
US4388876A (en) * | 1981-04-06 | 1983-06-21 | Enterprises International, Inc. | Ash removal system |
US4633849A (en) * | 1983-11-21 | 1987-01-06 | Detroit Stoker Company | Central feed rotary automatic ash discharge stoker |
US4576101A (en) * | 1984-02-27 | 1986-03-18 | Detroit Stoker Company | Stoker |
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