CN104713342A - Garbage drying means of burner with tangential supplied remaining gas flow - Google Patents
Garbage drying means of burner with tangential supplied remaining gas flow Download PDFInfo
- Publication number
- CN104713342A CN104713342A CN201410776581.8A CN201410776581A CN104713342A CN 104713342 A CN104713342 A CN 104713342A CN 201410776581 A CN201410776581 A CN 201410776581A CN 104713342 A CN104713342 A CN 104713342A
- Authority
- CN
- China
- Prior art keywords
- combustion chamber
- residual air
- hot gas
- baffle plate
- drier
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/02—Heating arrangements using combustion heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/02—Heating arrangements using combustion heating
- F26B23/022—Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/02—Biomass, e.g. waste vegetative matter, straw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/04—Garbage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Water Supply & Treatment (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to an arrangement (1) for drying of municipal waste, in particular household waste, with a dryer (2) for drying of municipal waste by means of hot gas (7), with a burner (9) for generating the hot gas in a combustion chamber (18) by incineration of a gas. The arrangement also includes a vapor line (10) leading from the dryer to the burner space and at least a portion of the vapor from the dryer (2) is recycled to the burner chamber (18). It has been found that the energy input in the form of the generation of the hot gas (7) needed gas (15) can be significantly reduced if the vapor line (10) tangentially into the combustion chamber (18) opens. The remaining gas flow can therefore be used as an additional fuel, because they are at least partially oxidized exothermically in the combustion chamber. The exothermic oxidation by the tangential feed is considerably favored.
Description
Technical field
The present invention relates to a kind of for municipal refuse, especially household garbage carries out dry facility, and this facility has for carrying out dry drier, for producing the burner of hot gas in a combustion chamber and leading to the residual air circuit of burner from drier by hot gas to municipal refuse.
In addition, the invention still further relates to a kind of method for carrying out drying to municipal refuse by hot gas, this hot gas is produced by the burning of gas in combustion chamber and is guided through drier, wherein, and leading back in combustion chamber from drier at least partially of residual air air-flow.
Background technology
Not that the rubbish produced in process of production is called as municipal refuse.The rubbish that municipal refuse comprises building waste, the public area rubbish as such as park rubbish, street refuse and market rubbish, the household garbage as life Litter, large part Litter or recyclable materials, industrial refuse and caused by water resources management measure.
Municipal refuse can be reused or be processed into fuel.Be processed into fuel to be realized by the stabilisation of rubbish being carried out to mechanical-physical.At the end of the stabilisation of mechanical-physical, from rubbish, obtain the fuel that form is particle or fine hair.In order to manufacture this alternative fuel, rubbish being smashed, is separated and drying.The recyclable materials that can recycle can be chosen and led back in material recycle.
In DE 10 2,007 010 070, such as describe a kind of equipment of the stabilisation for carrying out mechanical-physical.
Utilize the hot gas of about 300 DEG C to 380 DEG C to carry out to the drying of municipal refuse, this hot gas is imported into such as in drying such described in DE 10 2,010 044 129 and DE 10 2,010 047 075.
Burner produces hot gas by such as gas-firing, wherein, from external world's conveying air.In addition, the part from the exhaust of drier, i.e. residual air is transported to combustion chamber again.Another part of residual air discharges after purging.
Very large energy is needed to the drying of rubbish.In the equipment shown in DE 10 2,007 010 070, be the heat energy that rubbish per ton applies between 180kWh to 280kWh.In order to optimize the stabilization method of mechanical-physical on energy, the reduction of this energy ezpenditure expects.
Summary of the invention
Therefore, task of the present invention is: start the situation decline low-energy-consumption that the equipment mentioned and text start the method mentioned herein.
Surprisingly draw: when residual air circuit tangentially passes in combustion chamber, the energy ezpenditure of burner can drop to calculate in drier to rubbish carry out dry actual needs energy input under.Utilize this modification of burner, energy input with until 30% be positioned at calculate for evaporating under the amount needed for one ton of water.Relative to the equipment shown in DE 10 2,007 010 070, energy input can drop to 1/4th.This can only be interpreted as the fuel that residual air air-flow is used as adding.Owing to being tangential supply, wherein per hour have the time of staying of 70 to 90 cubic metres of residual air air-flows be imported in combustion chamber to be extended owing to tangentially carrying.Energy input is more efficiently for heating residual air air-flow, thus exothermic oxidation in making the part carried in residual air air-flow at least partially in combustion chamber, and improve energy efficiency.
The design favourable according to another, can accelerate in the following way the heating of residual air air-flow, namely, have the baffle plate of preferably cylinder all sides shape in the mode separately of the inwall with this combustion chamber in combustion chamber, wherein, residual air circuit passes in the gap between baffle plate and inner space on the height of baffle plate.
By baffle plate around inner space in preferably have the flame of burner.Baffle plate is heated by flame, thus is heated equally along inswept residual air air-flow in gap.The tangential conveying overlapping with the flowing that sensing combustion chamber exports of residual air air-flow causes the spiral flowing around baffle plate of residual air.This flow path causes residual air air-flow to contact for a long time with baffle plate.
Preferably, the end wall of the fire side of baffle plate and combustion chamber particularly by space separately.This space causes the stabilisation of flame.Residual air circuit can pass in the gap between baffle plate and inwall on the height of baffle plate.
In the burner, burning of gas can carry out in a combustion chamber.So flame preferably extends in the combustion chamber be connected on combustion chamber, and this combustion chamber obviously can be greater than combustion chamber.In order to not disturb the flame in combustion chamber and produce stable flame, the mouth that passes into of residual air circuit is preferably positioned on the height of baffle plate completely.That is, the mouth that passes into of residual air circuit overlaps with baffle plate completely in diametric(al).Which ensure that residual air air-flow directly can not to be directed on flame source and to cause the flame of irregular combustion.
The length of baffle plate is preferably shorter than the length of flame, and the length of this flame can between 1.5m to 6m.If the length of baffle plate is between 3/1 to four/4ths of the length of flame, be preferably approximately half to three/bis-, so can be mixed with the air gas mixture burnt by the residual air heated in the stub area of flame, this impels the further combustion process in residual air.
The length of baffle plate can be between four/mono-to half of the length of combustion chamber, or can between 1/to five/8th of the total length in combustion chamber and hot gas section when being connected to the hot gas section on combustion chamber (or combustion chamber of corresponding prolongation).The length in hot gas section can be three times of the length of combustion chamber, and this preferred flange in hot gas section to be connected on combustion chamber and can to have roughly the same diameter, but can at least have the diameter being obviously greater than hot gas circuit.Here, remaining do not have the section of baffle plate to also allow for well fully mixing of residual air air-flow and combustion air.
Temperature in combustion chamber on 750 DEG C, preferably at about 800 DEG C.
Preferred gas circuit and outside air circuit pass in combustion chamber, in this gas line, gas (this is in most cases natural gas) for burning required flows to flame, and in this outside air circuit, for burning, required air is fed to combustion chamber from the external world of facility.The outlet of combustion chamber can be connected with the hot gas circuit be connected with drier.
Can be furnished with deactivation device between combustion chamber and hothouse, hot-air is guided through this deactivation device from combustion chamber.By deactivation device, the oxygen content of hot gas is reduced to obviously under 15%, preferably between 10% to 12% during the start-up course and stopping process of drier.In order to deactivation, water or water vapour are incorporated in thermal current.When only reaching the oxygen content of reduction given in advance or required running temperature, dry material just can be fed to drier.So the water vapour discharged during the dry run of rubbish bears the work of deactivation under steady-state operation.
At least 70% of residual air air-flow can be led back burner.
Accompanying drawing explanation
Also exemplarily the present invention is described with reference to accompanying drawing below in conjunction with embodiment.In the following drawings, for simplicity, identical Reference numeral is used at structure or the corresponding element of function aspects.
According to the elaboration of above improvement of the present invention scheme, can supplement or cancel single feature, if the advantage relevant with this feature in specific applications particular importance or this feature optional.
Wherein:
Fig. 1 illustrates for municipal refuse, and especially household garbage carries out the schematic overview figure of dry equipment;
Fig. 2 illustrates the perspective schematic view of the embodiment of burner.
Detailed description of the invention
First the basic characteristics of the structure for carrying out dry equipment 1 to municipal refuse are described.
Rubbish is input in drier 2 as shown in by arrow 4 via feed hopper 3.Drier can be drying such described in DE 10 2,007 010 070, DE 10 2,010 044 129 or DE 10 2,010 047 075.In drier 2, rubbish transports to drain position 5, and rubbish is derived dryly as being schematically shown in arrow 6 from drier there.
Flowed to the hot gas 7 percolation super-dry device 2 of drier 2 by hot gas circuit 8 by burner 9.Hot gas 7 is with the temperature percolation super-dry device at about 300 DEG C of burner side entrance place in drier.The rubbish imported carries out concussion dry (schocktrocknen) in drier.Volatile part of rubbish, such as organic acid or other organic compounds, and suspension and light garbage shares are discharged by dry run and transport together with hot gas 7.Hot gas 7 exports from drier 2 by residual air circuit 10 as residual air air-flow together with these parts and water vapour.In residual air circuit 10, be furnished with one or more cyclone separator 11, utilize these cyclone separators, suspension and light garbage shares are filtered from residual air.Suspension and light rubbish particulate are output along arrow 12.They can flow to main waste flow again.
Part residual air air-flow 13 is punishing roads along separate routes, and outwardly discharges after such as purifying by reproducible thermal oxide.The part of the quilt shunt of residual air air-flow, between 20% to 40%, wherein, also only can have the residual air air-flow of 10% by shunt on rare occasion.
The major part of residual air air-flow retains in circulation in the device 1, and transports via residual air air blast 14.
Burner 9 to make in tank 16 or provide via the gas line of equipment gas 15, be such as combustion of natural gas.Gas 15 is directed in burner 9 via gas line 17.Burner is flowed to equally via outside air circuit 19 for the air needed for burning gases 15.Residual air air-flow is transported to combustion chamber 18, and gas 15 burns in this combustion chamber.For this reason, aspirate outside air 21 by air blast 20, wherein, in order to equalizing air pressure fluctuation, pressure balance container 22 can be provided with.
In combustion chamber 18, gas 15 and outside air 21 burn in flame 23.The length of flame 23, between 1.5m to 6m, is approximately 3m to 4.5m in the equipment illustrated.Flame 23 extends in combustion chamber 18.
The baffle plate 24 of especially cylinder all sides shape can be furnished with around flame 23 ground.Baffle plate perpendicular to cross section in baffle plate 24, the part that is preferably only the length of flame along the length 25 of the orientation measurement of flame 23, such as between 3/1 to four/4ths, be preferably approximately half to three/bis-of the length of flame of appearance usually in operation.In the design illustrated, length 25 is 2m.
In combustion chamber 18, residual air circuit 10 tangentially leads in the gap 26 between the inwall 27 of baffle plate 24 and burner 9 combustion chamber 18 in other words.
In combustion chamber 18, in the event of high temperatures, from the gas 15 preferably burnt completely, remaining outside air 19 and the residual air air-flow of deriving from drier 2, produce hot gas 7, then it flows to combustion chamber 18 again via residual air circuit 10.
Between burner 9 and drier 2, preferably can be provided with deactivation device 28 in the direct interface being connected to combustion chamber 18.In deactivation device 28, equipment startup stage and the shutdown stage during to reduce the oxygen content of hot gas 7 by importing water or water vapour.By reducing oxygen content, greatly reduce the danger of breaking out of fire in drier 2.During conventional operation, deactivation device cuts off, so provide by wanting dry rubbish itself for the steam reducing oxygen.
In the process of supply residual air air-flow tangential in combustion chamber 18, compared with previous radial direction supply, determine obviously higher flame temperature and the same energy input obviously reduced with the gas consumption form reduced when dry power is identical.In fact, utilize the tangential supply of residual air air-flow, the gas consumption in burner 9 is under the energy input for evaporation one ton of water in drier needed for pure calculating.Therefore, residual air air-flow is utilized at combustion chamber 18 together as fuel.Organic matter exothermic reaction in combustion chamber 18 of residual air air-flow, this is because before residual air air-flow mixes with flame, residual air air-flow can rest on for a long time in combustion chamber and also can be heated better on the baffle plate 24 of heat.
Fig. 2 schematically illustrates the perspective schematic view of the burner 9 of Fig. 1.
In the combustion chamber 30 of burner, the gas 15 from gas line 17 and the outside air 21 from outside air circuit 19 mixed and lighted.Create the flame 23 extended in combustion chamber 18.The temperature of flame is about 1000 DEG C.In the half portion of the end 31 of the fire side towards burner 9 of combustion chamber 18, have baffle plate 24, this baffle plate is to have the mode of spacing 32 around flame 23 with the inwall 27 of combustion chamber 18.Spacing 32 is quite little and between 1/10 to ten/50th of the length 25 of baffle plate.
The end wall 33 of the fire side of the same and combustion chamber 18 of baffle plate 24 separately.This space or spacing 34 are the sub-fraction of the length 25 of baffle plate 24, such as, between 1/1 to five/20th of the length of baffle plate.Residual air circuit 10 is preferably complete to be passed on the height of baffle plate 24.Residual air circuit 10 preferably overlaps with baffle plate in the diametric(al) of combustion chamber 18 completely to the opening 35 that passes in combustion chamber 18.This prevent residual air may flow to the source of flame 23 from residual air circuit 10 and make flame 23 unstable.The stroke long as far as possible implementing around baffle plate 24 to make the residual air air-flow from residual air circuit 10, passes into opening 35 and is positioned on the end 36 of the fire side of baffle plate 24.
Be in operation, in combustion chamber 18, construct the roughly helical flowing 37 of residual air.Hot gas 7 is derived from combustion chamber 18 finally by hot gas circuit 8.
The hot gas section 38 only illustrated in Fig. 2 can be connected on combustion chamber 18, and the interior diameter in this hot gas section is greater than the interior diameter of hot gas circuit 8.In hot gas section, each part of hot gas can be mixed and burnouted where necessary.Hot gas section 38 also can be designed to combustion chamber 18 have roughly the same interior diameter extension.
Two to four times of length that is that the length in hot gas section 38 is preferably the length of combustion chamber 18 or flame 23.
Reference numerals list
1 for carrying out dry equipment to municipal refuse
2 driers
3 feed hoppers
Rubbish is input in drier by 4
The drain position of 5 driers
Rubbish exports by 6 from drier
7 hot gas
8 hot gas circuits
9 burners
10 residual air circuits
11 cyclone separators
12 derive harmful substance and light garbage shares
13 along separate routes
14 residual air air blasts
15 gases
16 air accumulators
17 gas lines
18 combustion chambers
19 outside air circuits
20 air blasts
21 outside airs
22 pressure balance containers
23 flames
24 baffle plates
25 baffle length
Gap between 26 baffle plates and combustion chamber inwall
The inwall of 27 combustion chambers
28 deactivation devices
30 combustion chambers
The end of the fire side of 31 burners
Spacing between 32 baffle plates and inwall
The sidewall of the fire side of 33 burners
Spacing between 34 baffle plates and the end wall of fire side
35 residual air circuits pass into opening
The end of the fire side of 36 baffle plates
The flowing of 37 residual air in combustion chamber
38 hot gas sections
Claims (7)
1. one kind for municipal refuse, particularly household garbage carries out dry facility (1), described facility has for carrying out dry drier (2), for producing the burner (9) of described hot gas (7) and the residual air circuit (10) of the described combustion chamber (18) that leads from described drier (2) in combustion chamber (18) by hot gas (7) to municipal refuse, it is characterized in that, described residual air circuit (10) tangentially passes in described combustion chamber (18).
2. facility according to claim 1 (1), it is characterized in that, to have the baffle plate (24) of cylinder week side shape with inwall (27) mode separately of described combustion chamber in described combustion chamber (18), and described residual air circuit (10) passes in the gap (26) between baffle plate (24) and inwall (27) on the height of described baffle plate (24).
3. facility according to claim 2 (1), it is characterized in that, separately, and the opening (35) that passes into passed in described combustion chamber (18) of described residual air circuit (10) is positioned on the height of described baffle plate (24) end wall (33) of the fire side of described baffle plate (24) and described combustion chamber (18) completely.
4. facility according to any one of claim 1 to 3 (1), is characterized in that, gas line (17) and outside air circuit (19) pass in described combustion chamber (18).
5. one kind for carrying out dry method by hot gas (7) to municipal refuse, described hot gas is produced by the burning of gas (15) in combustion chamber (18) and is guided through drier (2), wherein, residual air led back described combustion chamber (18) from described drier (2) at least partially, it is characterized in that, described residual air is exothermic oxidation in described combustion chamber at least in part.
6. method according to claim 5, is characterized in that, described residual air is tangentially fed in described combustion chamber (18).
7. the method according to claim 5 or 6, is characterized in that, at least 70% of residual air air-flow is transported to described combustion chamber (18) from described drier (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013225953.0A DE102013225953A1 (en) | 2013-12-13 | 2013-12-13 | Müllerocknung by means of a burner with tangentially supplied vapor air |
| DE102013225953.0 | 2013-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104713342A true CN104713342A (en) | 2015-06-17 |
| CN104713342B CN104713342B (en) | 2017-04-19 |
Family
ID=53192320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410776581.8A Active CN104713342B (en) | 2013-12-13 | 2014-12-15 | Garbage drying means of burner with tangential supplied remaining gas flow |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104713342B (en) |
| DE (1) | DE102013225953A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702476A (en) * | 2017-11-10 | 2018-02-16 | 上海艺迈实业有限公司 | A kind of waste heat recovery device and technological process for kitchen castoff processing |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5390670A (en) * | 1977-01-20 | 1978-08-09 | Ebara Infilco Co Ltd | City garbage drying method in high-temperature melting treatment |
| JPH09138069A (en) * | 1995-11-10 | 1997-05-27 | Okawara Mfg Co Ltd | Municipal garbage drying facility and its fire preventing method |
| CN1277342A (en) * | 2000-06-05 | 2000-12-20 | 东南大学 | Drying, gasifying and melting process of treating domestic refuse |
| JP2001272170A (en) * | 2000-03-27 | 2001-10-05 | Ngk Insulators Ltd | Operating method for waste drying facility |
| CN2505702Y (en) * | 2001-11-07 | 2002-08-14 | 中国科学院广州能源研究所 | Down-draft solid organic disposal gasification furnace |
| CN1178023C (en) * | 2000-03-02 | 2004-12-01 | 玛诺巴·皮亚塞 | Incinerating method and device by drying waste with heat generated by burning to produce gas |
| CN201014912Y (en) * | 2007-02-02 | 2008-01-30 | 刘锐华 | Combustion case for heated air circulation roasting system |
| EP1964909A2 (en) * | 2007-02-28 | 2008-09-03 | Alba AG | Device for treating household or similar waste in order to create fuel |
| KR20090034064A (en) * | 2007-10-02 | 2009-04-07 | 주식회사 스페코 | Sludge drying apparatus |
| CN102706105A (en) * | 2010-10-01 | 2012-10-03 | 欧绿保2能源有限公司 | Method for drying domestic waste and drying drum for same |
| CN103438462A (en) * | 2013-08-14 | 2013-12-11 | 长沙理工大学 | Fluidized bed furnace device utilizing smoke circulation to dry kitchen garbage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010044129B4 (en) | 2010-11-18 | 2021-02-18 | Alba 2 Energy Gmbh | Modular bulkhead for a drum dryer and the same and kit therefor |
-
2013
- 2013-12-13 DE DE102013225953.0A patent/DE102013225953A1/en not_active Ceased
-
2014
- 2014-12-15 CN CN201410776581.8A patent/CN104713342B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5390670A (en) * | 1977-01-20 | 1978-08-09 | Ebara Infilco Co Ltd | City garbage drying method in high-temperature melting treatment |
| JPH09138069A (en) * | 1995-11-10 | 1997-05-27 | Okawara Mfg Co Ltd | Municipal garbage drying facility and its fire preventing method |
| CN1178023C (en) * | 2000-03-02 | 2004-12-01 | 玛诺巴·皮亚塞 | Incinerating method and device by drying waste with heat generated by burning to produce gas |
| JP2001272170A (en) * | 2000-03-27 | 2001-10-05 | Ngk Insulators Ltd | Operating method for waste drying facility |
| CN1277342A (en) * | 2000-06-05 | 2000-12-20 | 东南大学 | Drying, gasifying and melting process of treating domestic refuse |
| CN2505702Y (en) * | 2001-11-07 | 2002-08-14 | 中国科学院广州能源研究所 | Down-draft solid organic disposal gasification furnace |
| CN201014912Y (en) * | 2007-02-02 | 2008-01-30 | 刘锐华 | Combustion case for heated air circulation roasting system |
| EP1964909A2 (en) * | 2007-02-28 | 2008-09-03 | Alba AG | Device for treating household or similar waste in order to create fuel |
| KR20090034064A (en) * | 2007-10-02 | 2009-04-07 | 주식회사 스페코 | Sludge drying apparatus |
| CN102706105A (en) * | 2010-10-01 | 2012-10-03 | 欧绿保2能源有限公司 | Method for drying domestic waste and drying drum for same |
| CN103438462A (en) * | 2013-08-14 | 2013-12-11 | 长沙理工大学 | Fluidized bed furnace device utilizing smoke circulation to dry kitchen garbage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702476A (en) * | 2017-11-10 | 2018-02-16 | 上海艺迈实业有限公司 | A kind of waste heat recovery device and technological process for kitchen castoff processing |
| CN107702476B (en) * | 2017-11-10 | 2022-09-30 | 上海艺迈实业有限公司 | Waste heat recycling device and process flow for kitchen waste treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104713342B (en) | 2017-04-19 |
| DE102013225953A1 (en) | 2015-06-18 |
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