US3871285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerator device and a method of processing residuals in waste water, liquefied sewage and sludge
Assignee: Albert Klein KG
•
Filing: 1973-10-19
•
Granted: 1975-03-18
•
Expires: 1993-10-19
Abstract
Abstract There is disclosed an incinerator device for burning granulated or otherwise fractured combustible material. The incinerator comprises a grate to which is fed combustion air from below. The grate is in the form of a sieve or a sieve insert which is swingably mounted and to which swinging motions are imparted. There is also disclosed a method for processing residuals in waste water, liquefied sewage and liquefied sludge. According to the method, part of the moisture content of flowable material to be processed is removed and the solids in the waste water, sewage or sludge are fractured to desired sizes after partially drying the same. The thus obtained granulate is then dried by applying heat thereto. Finally, if desired, the now dried granulated material is burned preferably by using a glowing or hot bed continually coacting with an air cushion.
Inventors
- 👤 Wendel Bastgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:21
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/002; F23G7/00; F23G7/001; F23G2203/00; F23G2203/107
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
144 words
A device for incinerating granulated combustible material, said device comprising in combination: at least one sieve-type grate for feeding combustible material thereupon, said grate being in the form of a rigid plate-shaped member having spaced apart perforations, the peripheral outline of each of said perforations being small in relation to the total area of said plate-shaped member; support means mounting said grate for imparting swinging movements to the same, said support means including a generally trough-shaped structure disposed underneath said grate and mounting the same; at least one swingable member supporting said structure for imparting swinging movements to the structure and the grate; exciter means coupled to said swingable member for imparting swinging movements to the same; and air supply means connected to the trough-shaped structure for continuously feeding air into said structure to form an air cushion therein thereby continuously cooling the grate.
Claim 2
Independent Claim
144 words
A device for incinerating granulated combustible material, said device comprising in combination: at least one sieve-type grate for feeding combustible material thereupon, said grate being in the form of a rigid plate-shaped member having spaced apart perforations, the peripheral outline of each of said perforations being small in relation to the total area of said plate-shaped member; support means mounting said grate for imparting swinging movements to the same, said support means including a generally trough-shaped structure disposed underneath said grate and mounting the same; at least one swingable member supporting said structure for imparting swinging movements to the structure and the grate; exciter means coupled to said swingable member for imparting swinging movements to the same; and air supply means connected to the trough-shaped structure for continuously feeding air into said structure to form an air cushion therein thereby continuously cooling the grate.
Claim 3
Dependent Claim
36 words
The device according to claim 1 wherein protrusions extend from the rims of said perforations each overlying at least part of the respective perforation, the remaining clear portions of the perforations facing in the same direction.
Claim 4
Dependent Claim
27 words
The device according to claim 1 wherein said swingable member comprises an elongate elastic member, said elastic member defining an angle relativE to the plate-shaped grate member.
Claim 5
Dependent Claim
28 words
The device according to claim 1 wherein said exciter means are arranged to impart to the structure and thus to the grate swinging movements at the resonance frequency.
Claim 6
Dependent Claim
75 words
The device according to claim 1 wherein said grate is substantially horizontally disposed and constitutes a top wall for said trough-shaped structure, and wherein said trough-shaped structure comprises side walls downward slanted toward each other so as to define a space broadened toward the grate, said air supply means being connected to a narrow portion of said space thereby distributing the flow of the air over the area of the grate for cooling the same.
Claim 7
Dependent Claim
20 words
The device according to claim 5 wherein said frame structure includes air chambers, said air chambers communicating with the grate.
Claim 8
Dependent Claim
29 words
The device according to claim 6 wherein air distributing means are supported by said trough-shaped structure, said distributing means distributing the combustion air over the area of the grate.
Claim 9
Dependent Claim
28 words
The device according to claim 1 wherein a hood is disposed above the grate, said hood and said grate defining a burning space for material to be incinerated.
Claim 10
Dependent Claim
43 words
The device according to claim 8 wherein a side wall encompassing at least part of the peripheral outline of the grate and joined to the rim of the hood is interposed between the grate and the hood thereby correspondingly enlarging said burning space.
Claim 11
Dependent Claim
22 words
The device according to claim 9 wherein an ignition means is provided, said ignition means extending through a wall of said hood.
Claim 12
Dependent Claim
25 words
The device according to claim 10 wherein a feed conduit for feeding material to be incinerated extens into said burning space through a hood wall.
Claim 13
Dependent Claim
27 words
The device according to claim 11 wherein a granulating means for granulating material to be incinerated is included in said feed conduit upstream of the ignition means.
Claim 14
Dependent Claim
21 words
The device according to claim 11 and comprising a drying means for predrying material to be incinerated into said feed conduit.
Claim 15
Dependent Claim
32 words
The device according to claim 13 wherein a stack for dissipating smoke and vapors communicates with said burning space via said feed conduit, said drying means being in communication with said stack.
Claim 16
Dependent Claim
21 words
The device according to claim 13 wherein said burning chamber and said drying means are included in an air circulating system.
Claim 17
Dependent Claim
22 words
The device according to claim 13 wherein said drying means comprises a rotary dryer including at least two concentrically disposed rotatable tubes.
Claim 18
Dependent Claim
23 words
The device according to claim 13 wherein at least one filter means including a pressure means is disposed upstream of said drying means.
Claim 19
Dependent Claim
33 words
The device according to claim 17 wherein said pressure means comprise a perforated conveyor band and pressure members coacting with said conveyor band for pressing out moisture contained in material on said band.
Claim 20
Dependent Claim
31 words
The device according to claim 17 wherein a washing means is provided downstream of the drying means and the filter means for washing vapors and gases emanating from the drying means.
Claim 21
Dependent Claim
31 words
The device according to claim 13 wherein at least one deflecting means is interposed between the drying means and the burning chamber for diverting partly processed material to a storage area.
Claim 22
Independent Claim
112 words
A method of processing residuals in waste water, sewage or sludge, said method comprising the steps of providing an incinerator installation including at least one sieve-type grate in the form of a perforated plate and supply means for continuously feeding air to the grate from below thereby cooling the same, preliminarily drying the residuals by appling pressure thereto, granulating the predried residuals, continuously maintaining a bed of hot air above said grate, then continuously guiding the granulate in the form of a layer along said hot air bed, and imparting swinging movements to said layer causing the granulate to dip intermittently into the hot air bed as it passes over the same.
Claim 23
Independent Claim
112 words
A method of processing residuals in waste water, sewage or sludge, said method comprising the steps of providing an incinerator installation including at least one sieve-type grate in the form of a perforated plate and supply means for continuously feeding air to the grate from below thereby cooling the same, preliminarily drying the residuals by appling pressure thereto, granulating the predried residuals, continuously maintaining a bed of hot air above said grate, then continuously guiding the granulate in the form of a layer along said hot air bed, and imparting swinging movements to said layer causing the granulate to dip intermittently into the hot air bed as it passes over the same.
Claim 24
Dependent Claim
37 words
The method according to claim 21 and compRising the step of subjecting said layer to swinging movements along parabolic paths as it moves over the hot air bed by correspondingly controlling the swinging movements of said grate.
Claim 25
Dependent Claim
42 words
The method according to claim 22 wherein said layer as it moves along said hot air bed touches the surface of the grate for about one-fourth of the time required by granulates forming the layer to move along the hot air bed.
Claim 26
Dependent Claim
27 words
The method according to claim 21 and comprising the step of maintaining said hot air bed by continuously directing an air flow through the grate from below.
Claim 27
Dependent Claim
28 words
The device according to claim 24 wherein said air flow is a cold air flow, said cold air flow constituting fresh combustion air and also cooling the grate.
Claim 28
Dependent Claim
35 words
The method according to claim 21 comprising the steps of fracturing the residuals prior to incincerating the same so that the residuals are in the form of substantially uniform granules having a gas permeable core.
Claim 29
Dependent Claim
106 words
The method according to claim 21 and comprising the steps of providing upstream of the grate a drying means including a first central drying space, feeding the residuals into said first space, subjecting the residuals to a high temperature while in said first space causing drying of the residuals and simultaneously grinding the residuals to form granules capable of being scattered and having a gas permeable inner structure, then feeding the granules into a second space of the drying means, and finally subjecting the granules while in said second space to a high velocity air flow at a lower temperature than the first used drying temperature.
Claim 30
Dependent Claim
38 words
The method according to claim 27 wherein the heating of the air flows used for drying the residuals is obtained from gases released by and during the burning of residuals, and ignition means causing release of hot gases.
Claim 31
Dependent Claim
31 words
The method according to claim 28 and comprising the step of washing the released gas at least with waste water obtained by removal of water from the residuals to be processed.
Claim 32
Dependent Claim
29 words
The method according to claim 21 and comprising the step of diverting at least part of the residuals from the flow of residuals fed to said hot air bed.
Claim 33
Dependent Claim
19 words
The device according to claim 30 wherein the residuals are subjected to a drying operation prior to being diverted.
References Cited (Backward Citations)
US41905A
Cited
US633301A
Cited
US2577659A
Cited
US2932264A
Cited
US2848959A
Cited
US2971508A
Cited
US3329107A
Cited
US3734036A
Cited
US3780676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |