CA2148873A1 - Computer-controlled extraction device for rotting halls - Google Patents
Computer-controlled extraction device for rotting hallsInfo
- Publication number
- CA2148873A1 CA2148873A1 CA002148873A CA2148873A CA2148873A1 CA 2148873 A1 CA2148873 A1 CA 2148873A1 CA 002148873 A CA002148873 A CA 002148873A CA 2148873 A CA2148873 A CA 2148873A CA 2148873 A1 CA2148873 A1 CA 2148873A1
- Authority
- CA
- Canada
- Prior art keywords
- extraction
- computer
- controlled
- extraction device
- rotting
- Prior art date
- 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.)
- Abandoned
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/70—Controlling the treatment in response to process parameters
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/964—Constructional parts, e.g. floors, covers or doors
- C05F17/971—Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
- C05F17/979—Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material the other material being gaseous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to a computer-controlled extraction device for rotting halls, comprising one or more main collecting lines (1) which are each connected via a flexible hose (3) to one or more extraction modules (2), wherein one extraction module (2) has one or more extraction hoods (4), the main collecting lines (1) have a butterfly valve (6) at the connection point of a flexible hose (3), the modules (2) are adjustable via lifting gear (7) and the main collecting lines (1) are connected to an exhaust air fan.
Description
~148~7~
The present invention relates to a computer-controlled extraction device for rotting halls. According to the invention the use of the computer-controlled extraction device is provided in closed or covered after-rotting halls and in intensive rotting halls for the production of compost from biological waste.
Owing to the legal conditions in terms of odour emission for the operation of composting plants for 10 biological waste, rotting processes, in particular after-rotting processes, wherein compost is obtained from biological waste, have to be designed such that they meet these requirements. According to the process generally used at present, after-rotting processes are performed in closed halls for the after-rotting time until composting has finished. In closed halls, large volumes of air, set by the prescribed air-changing frequency, have to be constantly extracted, deodorised and removed. The closed halls cannot be entered owing 20 to the atmosphere, which is saturated with CO2. The plants and apparatus are furthermore placed under very great stress in the closed halls by the high H2O
concentration, since the corrosion progresses strongly.
It is an object of the present invention to provide an extraction device for rotting halls which operates economically and in an environmentally sound manner, and with which the corrosion in the rotting halls is considerably reduced.
The object underlying the present invention is achieved by a computer-controlled extraction device for rotting halls, comprising one or more main collecting lines which are each connected via a flexible hose to one or 21~887~
more extraction modules, wherein one extraction module has one or more extraction hoods, the main collecting lines have a butterfly valve at the connection point of a flexible hose, the extraction modules are adjustable by means of lifting gear and the main collecting lines are connected to an exhaust air fan.
Fully automatic extraction from a rotting hall is effected with the extraction device according to the 10 invention. The modules are lowered over the point of emission by means of electromechanical lifting means, with the fine adjustment being effected with infrared-controlled or laser-controlled vertical adjustment.
This means that in those regions of the hall in which emissions occur spasmodically the exhaust air is extracted selectively using the respective module. The quantity of exhaust air is regulated dependent on the respective emission. The extraction modules are connected by a flexible, suction-stable hose to the 20 main collecting line, and are lowered to the points of emission according to requirements. The device according to the invention permits the selective entraining of the emission which is produced during operations such as the unloading, transfer, sifting, loading and packaging of the rotting material. The exhaust air is extracted in regions according to the emission selectively entrained. The localised high air-changing rates are maintained by the butterfly valves in the main collecting line.
The CO2 saturation and the high H2O concentration are greatly reduced by selective extraction, and the corrosion of the halls and of the apparatus is greatly repressed.
One preferred configuration of the invention is a computer-controlled extraction device wherein the ` 21~88~3 butterfly valves, the lifting gear and the exhaust air fan are controlled by a master computer, the exhaust air fan is controlled infinitely variably by the master computer by means of a frequency adjuster and the height of the modules is adjusted infinitely variably via lifting gear above the point of emission by the master computer by means of infrared or laser movement detection.
10 The emission which occurs, caused by inorganic and organic decomposition substances, is measured and sent to the computer for evaluation. Then the programmed control of the extraction is effected. Additionally, the air-changing rate in the region of the pile of rotting material is controlled by the butterfly valves in the main collecting line. The movements such as lorry traffic, tipping and transferring operations are monitored by infrared or laser detection. The corresponding extraction modules are raised 20 automatically in order to permit free passage. The extraction modules are returned to their starting position once the movement has ended. The exhaust air fan is controlled infinitely variably by the master computer according to the detection of volume flow for metering exhaust air via a frequency adjuster.
A personal computer with an SPC (stored-program controller) for controlling the butterfly valves, the lifting gear and the exhaust air fan serves as the 30 master computer. The extraction devices above surfaces which are not required are switched off by the personal computer. In the case of newly established piles, the air-changing rates are set individually. Quantities of exhaust air which are deodorised are detected and stored.
~ 214887~
one preferred form of the invention is a computer-controlled extraction device, wherein the main collecting lines, the extraction modules, the extraction hoods and the extraction fan are made of high-grade steel. The main collecting lines consist of thin-walled high-grade steel tubes, such as folded spiral-seam tube NW 600/MAT 1.4571, which are mounted on the ceiling structure of the after-rotting halls.
Making the parts from high-grade steel additionally provides greater resistance to corrosion.
One preferred form of the invention is a computer-controlled extraction device, wherein the exhaust air which is extracted is fed to a biofilter or as process air to the composting process. According to the invention, the extraction fan is succeeded by a biofilter bed. The deodorised exhaust air is withdrawn from the biofilter bed. According to the invention, the exhaust air is purified effectively or is recycled into the composting process. These measures make the device particularly economic.
According to the invention, the use of the computer-controlled extraction device in closed or covered after-rotting halls and in intensive rotting halls is provided for the production of compost from biological waste. In the case of covered after-rotting piles, the hall has to be provided with a circumambient attic only in so far as the efficiency of the extraction modules is not adversely affected by cross-winds which occur.
The computer-controlled extraction device according to the invention permits economic and environmentally sound operation in particular for after-rotting surfaces which are established in waste treatment plants. The waste treatment plants are often located at sensitive locations. Therefore stringent legal -~ 21~8873 conditions have to be met for their operation, which is made possible by the device according to the invention.
The invention will be explained in greater detail below with reference to a drawing.
Fig. 1 shows the front view of a covered after-rotting hall with a computer-controlled extraction device according to the invention, Fig. 2 shows a side view of the after-rotting hall shown in Fig. 1 as a front view.
Fig. 1 shows after-rotting material (5) in a covered hall. The main collecting lines (1) are attached to the ceiling. Flexible, suction-stable hoses (3) are connected to the main collecting lines (1). The hoses (3) end above the after-rotting piles (5). At the ends of a hose (3) there is attached an extraction module 20 (2). Each extraction module (2) has a plurality of extraction hoods (4). The extraction hoods (4) are suspended above the after-rotting piles (5). At the connection point of the hoses (3) to the main collecting line (1), butterfly valves (6) are provided in the hoses (3). The hoses (3) are suspended from the ceiling by means of lifting gear (7) operated by an electric motor. Fig. 2 shows that several, in this case four, extraction hoods (4) are provided on each extraction module (2). The main collecting lines (1) 30 are connected to an extraction fan (not shown).
The present invention relates to a computer-controlled extraction device for rotting halls. According to the invention the use of the computer-controlled extraction device is provided in closed or covered after-rotting halls and in intensive rotting halls for the production of compost from biological waste.
Owing to the legal conditions in terms of odour emission for the operation of composting plants for 10 biological waste, rotting processes, in particular after-rotting processes, wherein compost is obtained from biological waste, have to be designed such that they meet these requirements. According to the process generally used at present, after-rotting processes are performed in closed halls for the after-rotting time until composting has finished. In closed halls, large volumes of air, set by the prescribed air-changing frequency, have to be constantly extracted, deodorised and removed. The closed halls cannot be entered owing 20 to the atmosphere, which is saturated with CO2. The plants and apparatus are furthermore placed under very great stress in the closed halls by the high H2O
concentration, since the corrosion progresses strongly.
It is an object of the present invention to provide an extraction device for rotting halls which operates economically and in an environmentally sound manner, and with which the corrosion in the rotting halls is considerably reduced.
The object underlying the present invention is achieved by a computer-controlled extraction device for rotting halls, comprising one or more main collecting lines which are each connected via a flexible hose to one or 21~887~
more extraction modules, wherein one extraction module has one or more extraction hoods, the main collecting lines have a butterfly valve at the connection point of a flexible hose, the extraction modules are adjustable by means of lifting gear and the main collecting lines are connected to an exhaust air fan.
Fully automatic extraction from a rotting hall is effected with the extraction device according to the 10 invention. The modules are lowered over the point of emission by means of electromechanical lifting means, with the fine adjustment being effected with infrared-controlled or laser-controlled vertical adjustment.
This means that in those regions of the hall in which emissions occur spasmodically the exhaust air is extracted selectively using the respective module. The quantity of exhaust air is regulated dependent on the respective emission. The extraction modules are connected by a flexible, suction-stable hose to the 20 main collecting line, and are lowered to the points of emission according to requirements. The device according to the invention permits the selective entraining of the emission which is produced during operations such as the unloading, transfer, sifting, loading and packaging of the rotting material. The exhaust air is extracted in regions according to the emission selectively entrained. The localised high air-changing rates are maintained by the butterfly valves in the main collecting line.
The CO2 saturation and the high H2O concentration are greatly reduced by selective extraction, and the corrosion of the halls and of the apparatus is greatly repressed.
One preferred configuration of the invention is a computer-controlled extraction device wherein the ` 21~88~3 butterfly valves, the lifting gear and the exhaust air fan are controlled by a master computer, the exhaust air fan is controlled infinitely variably by the master computer by means of a frequency adjuster and the height of the modules is adjusted infinitely variably via lifting gear above the point of emission by the master computer by means of infrared or laser movement detection.
10 The emission which occurs, caused by inorganic and organic decomposition substances, is measured and sent to the computer for evaluation. Then the programmed control of the extraction is effected. Additionally, the air-changing rate in the region of the pile of rotting material is controlled by the butterfly valves in the main collecting line. The movements such as lorry traffic, tipping and transferring operations are monitored by infrared or laser detection. The corresponding extraction modules are raised 20 automatically in order to permit free passage. The extraction modules are returned to their starting position once the movement has ended. The exhaust air fan is controlled infinitely variably by the master computer according to the detection of volume flow for metering exhaust air via a frequency adjuster.
A personal computer with an SPC (stored-program controller) for controlling the butterfly valves, the lifting gear and the exhaust air fan serves as the 30 master computer. The extraction devices above surfaces which are not required are switched off by the personal computer. In the case of newly established piles, the air-changing rates are set individually. Quantities of exhaust air which are deodorised are detected and stored.
~ 214887~
one preferred form of the invention is a computer-controlled extraction device, wherein the main collecting lines, the extraction modules, the extraction hoods and the extraction fan are made of high-grade steel. The main collecting lines consist of thin-walled high-grade steel tubes, such as folded spiral-seam tube NW 600/MAT 1.4571, which are mounted on the ceiling structure of the after-rotting halls.
Making the parts from high-grade steel additionally provides greater resistance to corrosion.
One preferred form of the invention is a computer-controlled extraction device, wherein the exhaust air which is extracted is fed to a biofilter or as process air to the composting process. According to the invention, the extraction fan is succeeded by a biofilter bed. The deodorised exhaust air is withdrawn from the biofilter bed. According to the invention, the exhaust air is purified effectively or is recycled into the composting process. These measures make the device particularly economic.
According to the invention, the use of the computer-controlled extraction device in closed or covered after-rotting halls and in intensive rotting halls is provided for the production of compost from biological waste. In the case of covered after-rotting piles, the hall has to be provided with a circumambient attic only in so far as the efficiency of the extraction modules is not adversely affected by cross-winds which occur.
The computer-controlled extraction device according to the invention permits economic and environmentally sound operation in particular for after-rotting surfaces which are established in waste treatment plants. The waste treatment plants are often located at sensitive locations. Therefore stringent legal -~ 21~8873 conditions have to be met for their operation, which is made possible by the device according to the invention.
The invention will be explained in greater detail below with reference to a drawing.
Fig. 1 shows the front view of a covered after-rotting hall with a computer-controlled extraction device according to the invention, Fig. 2 shows a side view of the after-rotting hall shown in Fig. 1 as a front view.
Fig. 1 shows after-rotting material (5) in a covered hall. The main collecting lines (1) are attached to the ceiling. Flexible, suction-stable hoses (3) are connected to the main collecting lines (1). The hoses (3) end above the after-rotting piles (5). At the ends of a hose (3) there is attached an extraction module 20 (2). Each extraction module (2) has a plurality of extraction hoods (4). The extraction hoods (4) are suspended above the after-rotting piles (5). At the connection point of the hoses (3) to the main collecting line (1), butterfly valves (6) are provided in the hoses (3). The hoses (3) are suspended from the ceiling by means of lifting gear (7) operated by an electric motor. Fig. 2 shows that several, in this case four, extraction hoods (4) are provided on each extraction module (2). The main collecting lines (1) 30 are connected to an extraction fan (not shown).
Claims (8)
1. A computer-controlled extraction device for rotting halls, comprising one or more main collecting lines (1) which are each connected via a flexible hose (3) to one or more extraction modules (2), wherein one extraction module (2) has one or more extraction hoods (4), the main collecting lines (1) have a butterfly valve (6) at the connection point of a flexible hose (3), the extraction modules (2) are adjustable via lifting gear (7) and the main collecting lines (1) are connected to an exhaust air fan.
2. A computer-controlled extraction device according to Claim 1, wherein the butterfly valves (6), the lifting gear (7) and the exhaust air fan are controlled by a master computer, the exhaust air fan is controlled infinitely variably by the master computer by means of a frequency adjuster and the height of the modules (2) is adjusted infinitely variably via lifting gear (7) above the point of emission by the master computer by means of infrared or laser movement detection.
3. A computer-controlled extraction device according to Claim 1, wherein the main collecting lines (1), the extraction modules (2), the extraction hoods (4) and the extraction fan are made of high-grade steel.
4. A computer-controlled extraction device according to Claim 1, wherein the exhaust air which is extracted is fed to a biofilter or as process air to the composting process.
5. The use of a computer-controlled extraction device according to Claim 1, in closed or covered after-rotting halls and in intensive rotting halls for the production of compost from biological waste.
6. A computer-controlled extraction device according to claim 2, wherein the main collecting lines (1), the extraction modules (2), the extraction hoods (4) and the extraction fan are made of high-grade steel.
7. A computer-controlled extraction device according to claim 6, wherein the exhaust air which is extracted is fed to a biofilter or as process air to the composting process.
8. The use of a computer-controlled extraction device according to claim 7, in closed or covered after-rotting halls and in intensive rotting halls for the production of compost from biological waste.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19944418409 DE4418409C1 (en) | 1994-05-26 | 1994-05-26 | Computer controlled air extractor for compost rotting building |
| DEP4418409.3 | 1994-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2148873A1 true CA2148873A1 (en) | 1995-11-27 |
Family
ID=6519035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002148873A Abandoned CA2148873A1 (en) | 1994-05-26 | 1995-05-08 | Computer-controlled extraction device for rotting halls |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0684430A3 (en) |
| CA (1) | CA2148873A1 (en) |
| DE (1) | DE4418409C1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19605891C2 (en) * | 1996-02-19 | 1999-02-25 | Roland Geipel | Signaling and switching device for engine exhaust and welding gas conveying systems |
| DE102005015754A1 (en) | 2004-10-20 | 2006-04-27 | E.G.O. Elektro-Gerätebau GmbH | Ventilation unit |
| DE102012112896B3 (en) * | 2012-12-21 | 2013-11-14 | Dürr Assembly Products GmbH | Suction device for motor vehicle test stand, is guided by cables, which are articulated above vehicle test stand at spaced-apart articulation points, where each of cables are connected to drive |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3117451A1 (en) * | 1981-05-02 | 1982-11-18 | Manfred 6601 Kleinblittersdorf Kany | "ROTTENING PLANT" |
| DE4126656C1 (en) * | 1991-08-13 | 1992-11-26 | Thyssen Industrie Ag, 4300 Essen, De | |
| DE9312068U1 (en) * | 1993-08-12 | 1993-11-18 | Siemens Ag | Operating device for an exhaust air system |
-
1994
- 1994-05-26 DE DE19944418409 patent/DE4418409C1/en not_active Expired - Lifetime
-
1995
- 1995-04-14 EP EP19950105677 patent/EP0684430A3/en not_active Withdrawn
- 1995-05-08 CA CA002148873A patent/CA2148873A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| DE4418409C1 (en) | 1995-08-17 |
| EP0684430A3 (en) | 1997-10-15 |
| EP0684430A2 (en) | 1995-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |