CN1039155C - Double grate pyrolytic refuse incinerator - Google Patents
Double grate pyrolytic refuse incinerator Download PDFInfo
- Publication number
- CN1039155C CN1039155C CN94117704A CN94117704A CN1039155C CN 1039155 C CN1039155 C CN 1039155C CN 94117704 A CN94117704 A CN 94117704A CN 94117704 A CN94117704 A CN 94117704A CN 1039155 C CN1039155 C CN 1039155C
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- China
- Prior art keywords
- chamber
- pipe
- grate
- inlet tube
- pyrolysis
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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 - Fee Related
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 54
- 238000000197 pyrolysis Methods 0.000 claims abstract description 46
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000010813 municipal solid waste Substances 0.000 claims description 14
- 239000008246 gaseous mixture Substances 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 8
- 239000011819 refractory material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 29
- 239000000446 fuel Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000003517 fume Substances 0.000 abstract 1
- 239000002910 solid waste Substances 0.000 description 6
- 239000003595 mist Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- -1 therefore Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Gasification And Melting Of Waste (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention relates to a double-grate pyrolysis type refuse burning furnace. The interior of the furnace body is provided with a pyrolysis chamber, a combustion chamber and an ash chamber from top to bottom. A hollow grate is arranged between the pyrolysis chamber and the combustion chamber. The inlet of the hollow grate is communicated with an air inlet pipe, and the outlet of the hollow grate is communicated with a preheated air collecting pipe. The preheated air collecting pipe is respectively communicated with the mix gas inlet pipe of the combustion chamber and the preheated air inlet pipe of the ash chamber. The pipelines of the preheated air collecting pipe and the mix gas inlet pipe of the combustion chamber are provided with a gas ejector, and the mixing chamber of the injector is communicated with the pyrolysis gas outlet pipe of the pyrolysis chamber. Except for the fuel used for combustion supporting in ignition, the burning furnace of the present invention has no need for adding fuel in the running process, which has the advantages of low cost, and no odor of fume discharging.
Description
The present invention puts it briefly and relates to incinerator, specifically relates to a kind of double grate pyrolytic refuse incinerator of disposal of refuse.
Garbage disposal is important environmental protection task, relates to national economy.At present, China and more external national house refuses are mainly taked the mode of landfill, stacking, also can not be used to handle house refuse, energy-conservation, cost is low, the small incinerator that applicability is wide.And present existing small incinerator mainly is applicable to the specific refuse of handling hospital, Animal Lab. etc., this class small incinerator structurally generally all has secondary combustion chamber and three combustion chambers, need with liquid fuel such as diesel oil, kerosene or gaseous fuels such as natural gas, coal gas combustion-supporting, and in secondary or three combustion chambers, still need constantly spray into fuel, therefore, fuel consumption is big, and the cost height is unsuitable for handling a large amount of house refuses.United States Patent (USP) 3,771 discloses a kind of refuse disposal installation No. 468, and this refuse disposal installation acts as a fuel with coal gas, and fuel consumption is big, cost height, and its structure more complicated.
It is thorough, applied widely to the purpose of this invention is to provide a kind of burning disposal rubbish, fuel saving and double grate pyrolytic refuse incinerator free from environmental pollution.
The objective of the invention is to realize in the following manner:
A kind of double grate pyrolytic refuse incinerator, comprise the body of heater of making by refractory material, be positioned at the combustion chamber and the grey chamber that separate by casting furnace grate of body of heater, air inlet pipe and pipe, top in described body of heater inner combustion chamber is provided with the pyrolysis chamber, on the sidewall of described pyrolysis chamber, be provided with garbage inlet, be provided with the hollow fire grate between described pyrolysis chamber and the combustion chamber, the inlet of each fire bars of described hollow fire grate is respectively through described air inlet pipe, the air-distribution pipe communicates with blower fan, the outlet of each fire bars of described hollow fire grate communicates with the preheated air concetrated pipe through the preheated air outlet respectively, described preheated air concetrated pipe is connected with gaseous mixture inlet tube that leads to the combustion chamber and the preheated air inlet tube that leads to grey chamber respectively by pipeline again, on the pipeline that connects described air pipe collector and gaseous mixture inlet tube gas ejector is housed, the mixing chamber of described gas ejector is connected with the pyrolysis gas outlet pipe that leads to the pyrolysis chamber by pipeline.
The advantage of double grate pyrolytic formula incinerator of the present invention is: double grate pyrolytic refuse incinerator of the present invention needs when lighting need not to add any combustion-supporting fuel in the operation process, thereby cost is low with the fuel combustion supporting; Because of its combustion chamber and pyrolysis chamber's temperature height, waste incineration is thorough, and the flue dust of discharging does not have stink, and is free from environmental pollution; And applied range.
Other details of double grate pyrolytic refuse incinerator of the present invention can be cheer and bright by reading the embodiment hereinafter encyclopaedize in conjunction with the accompanying drawings, wherein:
Fig. 1 is the front view of double grate pyrolytic refuse incinerator of the present invention;
Fig. 2 is the right part of flg of double grate pyrolytic refuse incinerator of the present invention;
Fig. 3 is the vertical view of double grate pyrolytic refuse incinerator of the present invention;
Fig. 4 is a double grate pyrolytic refuse incinerator A-A generalized section of the present invention;
Fig. 5 is a double grate pyrolytic refuse incinerator B-B generalized section of the present invention;
Fig. 6 is a double grate pyrolytic refuse incinerator C-C generalized section of the present invention;
Fig. 7 is a double grate pyrolytic refuse incinerator gas ejector structural representation of the present invention.
With reference to Fig. 1-Fig. 5, the body of heater 1 of double grate pyrolytic formula incinerator is lined with insulation materials such as asbestos board, rock cotton board, square tube that encased steel plate is made successively for to be built into by refractory material outside it.Casting furnace grate 4 in the incinerator body of heater 1 is separated out combustion chamber 5 and grey chamber 6 with its underpart, and 5 top is provided with hollow fire grate 2 in the combustion chamber, and hollow fire grate 2 is made by seamless steel pipe.The top of hollow fire grate is pyrolysis chamber 3.Have garbage inlet 7 in burning body of heater 1 pyrolysis chamber 3, solid waste can be put in the pyrolysis chamber 3 by garbage inlet 7.On input port 7 of burning body of heater 1 pyrolysis chamber 3 and combustion chamber 5 fire door 8 is housed, the fire door 8 of opening combustion chamber 5 can drop into the combustion chamber with combustion-supporting firewood or coal etc., places on the casting furnace grate 4.The bottom of ash chamber 6 has cleaning door 9, is used for a small amount of ashes in the dedusting chamber clearly 6.On the fire door 8 of garbage inlet 7 and combustion chamber, be respectively equipped with observation panel 10, can observe the combustion case of rubbish in pyrolysis chamber 3 and the combustion chamber 5 by observation panel 10, and can stir rubbish by fire door 8.In the external installation air-blaster 11 of incinerator, air-blaster 11 outlets communicate with the inlet 12 of each fire bars of hollow fire grate 2 by air-distribution pipe 29, air inlet pipe 14, and air enters hollow fire grate 2.The outlet 13 of hollow fire grate 2 every fire bars is connected with preheated air concetrated pipe 30 through preheated air pipe 15.Preheated air concetrated pipe 30 is in the body of heater and arranged on left and right sides, divide the two-way air feed again separately by pipeline 16, wherein one road preheated air is connected with the gaseous mixture inlet tube 17 of combustion chamber 5 and gas ejector 19 is housed on pipeline 16, preheated air is from conical jet pipe 191 ejections of gas ejector 19, enter mixing chamber 193, the refuse pyrolysis aspiration of the pyrolysis gas outlet pipe 21 of pyrolysis chamber 3 being sent by pipeline 20 is gone into mixing chamber 193 and is mixed with preheated air.Pyrolysis gas outlet pipe 21 is arranged symmetrically in body of heater 1 and arranged on left and right sides, and every side all has two tubes 21, at every Guan Shangjun control valve 24 is housed.Another road preheated air leads to the preheated air pipe 18 of grey chamber 6 by pipeline 16, preheated air pipe 18 also is symmetrically arranged in body of heater 1 and arranged on left and right sides, every side all has two tubes 18, and the inlet of this pipe is equipped with control valve 23 equally towards casting furnace grate 4 on every pipe.Enter 5 body of heater both sides, combustion chamber through the mist behind the gas ejector 19 by the gaseous mixture inlet tube 17 that leads to combustion chamber 5, every side all has two tubes 17, and control valve 22 is housed on the every pipe.On combustion chamber 5, be provided with pipe 25.Between combustion chamber 5 and pipe 25, be provided with firebreak 26.Pipe 25 can directly communicate with chimney 27, also can communicate with chimney 27 behind heat exchanger 28.
With reference to Fig. 6, the mist inlet tube 17 that leads to combustion chamber 5 is arranged symmetrically in the and arranged on left and right sides of body of heater 1, every side has two tubes, a pair of symmetrical inlet tube is wherein arranged, its axis 172 that stretches into the intake section 171 of 5 inside, combustion chamber is positioned on the same horizontal cross-section with the axis 173 of inlet tube 17 and becomes angle about 30 ° with it, and these two inlets 171 point to the inside of combustion chambers 5.
With reference to Fig. 7, Fig. 7 represents to be contained in the gas ejector 19 on the pipeline 16 between preheated air concetrated pipe 30 and the gaseous mixture inlet tube 17.Preheated air is from 191 ejections of conical jet pipe, enter mixing chamber 193, go into by the pyrolysis aspiration that pyrolysis gas suction line 192 and pipeline 20 are sent pyrolysis chamber's 3 pyrolysis gas outlet pipes 21, after in mixing chamber 193, mixing, coming out in gas outlet 194 by gas ejector 19, delivers to the gaseous mixture inlet tube 17 of combustion chamber 5.
When using this pyrolysis formula incinerator disposal of refuse, at first need solid waste is put in the pyrolysis chamber 3 by input port 7, input amount should be 2/3rds of pyrolysis chamber's volume.To be used for combustion-supporting firewood or coal then and put into combustion chamber 5, and oxidizer will be lighted by fire door 8.Open pyrolysis gas control valve 24 simultaneously, give hot air control valve 23, mixture control valve 22 is opened air-blaster 11, by control valve, makes the combustion chamber internal combustion normal.Combustion-supporting firewood or coal is constantly emitted heat in the combustion chamber 5 in combustion process, constantly heats the rubbish in the pyrolysis chamber 3, and makes its drying and pyrolysis.Wherein the dry or solid waste that fired of a part can be naturally fallen on the burning zone in the combustion chamber 5 by hollow fire grate 2 and is burnt away, and also can open inlet 7 simultaneously by manually stirring, and solid waste is fallen.The surplus solid waste of tool continues to be heated, and formed pyrolysis gas contains a large amount of fuel gas, comes out through pyrolysis gas outlet pipe 21.Delivering to the combustion chamber burns away.The air of the required usefulness of burning is sent into air-distribution pipe 29 by air-blaster 11, through air inlet pipe 14, enters in the hollow fire grate 2.In hollow fire grate 2, air is preheated on the one hand, cools off hollow fire grate 2 on the one hand.Air after the preheating divides left and right two-way to deliver to the body of heater both sides after preheated air outlet 15 enters preheated air concetrated pipe 30.In each side of body of heater, give hot-air and be divided into two-way through piping 16 again, the one tunnel enters the bottom of the casting furnace grate 4 of ash entrance chamber, and air enters the combustion chamber by casting furnace grate 4 from bottom to top.Another road preheated air enters gas ejector 19, the preheated air that pressure is arranged, through playpipe 191, along with dwindling of flow area, flow velocity increases, the static energy of gas is transformed into the dynamic pressure energy, makes the spout place of playpipe 191 front ends form negative pressuren zone, and pyrolysis gas is drawn in the mixing chamber 193 by its air intake duct 192.Preheated air is come out by the outlet 194 of gas ejector 19 with after pyrolysis gas mixes, and divides two-way to enter combustion chamber 5 through gaseous mixture inlet tube 17.As mentioned before, be arranged symmetrically in the left and right sides of body of heater 1 because of mist inlet tube 17, every side has two roots 17, an a pair of left side is wherein arranged, the axis 172 of the intake section 171 that stretches into 5 inside, combustion chamber of the inlet tube 17 of right symmetry is positioned on the same horizontal cross-section with the axis 173 of inlet tube 17 and becomes 30 ° of left and right sides angles with it, cause the gas that enters in the combustion chamber 5 to produce strong eddy flow and turbulent fluctuation, gas is fully mixed, improved efficiency of combustion, and the time of staying that helps improving mist, make sufficient combustion thorough, eliminate the peculiar smell in the mist fully.Gas after the burning is through pipe 25, heat exchanger 28, and chimney 27 is discharged in the atmosphere.During actual the use, can constantly drop into solid waste in pyrolysis chamber 3, the material that is firing will constantly be fallen in the combustion chamber 5 and keep burning, need not to drop into firewood or coal again.
Pyrolysis formula incinerator of the present invention can be made and per hour handle the 80-150 kilogram according to the rubbish amount of focusing on, and maximum can arrive 300 kilograms.For example can be located at the tourist spot: zoo, park etc. also can be located at urban life district or rubbish and focus on ground.Because the combustion chamber air outlet temperature can reach 700-800 ℃, can connect heat transmission equipment such as drinking water boiler, liquid furnace etc., kills two birds with one stone.
Along with national economy and social development, environmental sanitation work is more and more important.Rubbish and the work of waste disposal direct relation environmental sanitation.Seek the feasible, effective of a disposal of refuse, economic way is the emphasis and the difficult point of environmental sanitation work always, pyrolysis formula incinerator provided by the invention, type of furnace simple structure is easy to make, and burning process is reasonable, advanced, be convenient to operation, fuel savings, running cost is low, has broad application prospects.
Claims (8)
1, a kind of double grate pyrolytic refuse incinerator, comprise the body of heater of making by refractory material (1), be positioned at the combustion chamber (5) and grey chamber (6) that separate by casting furnace grate (4) of body of heater (1), air inlet pipe (14) and pipe (25), the top of body of heater (1) inner combustion chamber (5) is provided with pyrolysis chamber (3), on the sidewall of pyrolysis chamber (3), be provided with garbage inlet (7), it is characterized in that being provided with hollow fire grate (2) between described pyrolysis chamber (3) and combustion chamber (5), the inlet (12) of each fire bars of described hollow fire grate (2) is respectively through described air inlet pipe (14), air-distribution pipe (29) communicates with blower fan (11), the outlet (13) of each fire bars of described hollow fire grate (2) communicates with preheated air concetrated pipe (30) through preheated air outlet (15) respectively, described preheated air concetrated pipe (30) is connected with gaseous mixture inlet tube (17) that leads to combustion chamber (5) and the preheated air inlet tube (18) that leads to grey chamber (6) respectively by pipeline (16) again, on the pipeline (16) that connects described air pipe collector (30) and gaseous mixture inlet tube (17) gas ejector (19) is housed, the mixing chamber (193) of described gas ejector (19) is connected with the pyrolysis gas outlet pipe (21) that leads to pyrolysis chamber (3) by pipeline (20).
2, according to the described double grate pyrolytic refuse incinerator of claim 1, it is characterized in that described gaseous mixture inlet tube (17), preheated air inlet tube (18) and pyrolysis gas outlet pipe (21) are arranged in the and arranged on left and right sides of the outer corresponding part of described body of heater (1) separately symmetrically, and every kind of pipe of every side is two.
3, according to the described double grate pyrolytic refuse incinerator of claim 2, it is characterized in that in four gaseous mixture inlet tubes (17) of described body of heater (1) combustion chamber and arranged on left and right sides, the axis (172) that wherein has the inlet tube of a pair of left and right symmetry to stretch into the inner intake section (171) in combustion chamber (5) is positioned on the same horizontal cross-section with the axis (173) of inlet tube (17) and becomes angle about 30 ° with it, the inside of inlet sensing combustion chamber (5) in the described inlet tube.
4,, it is characterized in that described preheated air inlet tube (18) leads to the inlet of grey chamber (6) towards described casting furnace grate (4) according to claim 1 or 2 described double grate pyrolytic refuse incinerators.
5, according to the described double grate pyrolytic refuse incinerator of one of claim 1 to 3, it is characterized in that every with pipeline that described gaseous mixture inlet tube (17), preheated air inlet tube (18) and pyrolysis gas outlet pipe (21) link to each other on gas control valve (22,23,24) is housed.
6, according to the described double grate pyrolytic refuse incinerator of claim 4, it is characterized in that every with pipeline that described gaseous mixture inlet tube (17), preheated air inlet tube (18) and pyrolysis gas outlet pipe (21) link to each other on gas control valve (22,23,24) is housed.
7,, it is characterized in that being respectively equipped with observation panel (10) on the fire door (8) of the input port (7) of described body of heater (1) pyrolysis chamber (3) and combustion chamber (5) according to the described double grate pyrolytic refuse incinerator of claim 6.
8, burn stove dawn according to the described double grate pyrolytic formula of claim 7 rubbish, it is characterized in that described pipe (25) links to each other with heat exchanger (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94117704A CN1039155C (en) | 1994-11-05 | 1994-11-05 | Double grate pyrolytic refuse incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94117704A CN1039155C (en) | 1994-11-05 | 1994-11-05 | Double grate pyrolytic refuse incinerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1105114A CN1105114A (en) | 1995-07-12 |
| CN1039155C true CN1039155C (en) | 1998-07-15 |
Family
ID=5038488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94117704A Expired - Fee Related CN1039155C (en) | 1994-11-05 | 1994-11-05 | Double grate pyrolytic refuse incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1039155C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845327B (en) * | 2010-06-03 | 2013-08-21 | 王立臣 | Waste gasification purification reacting furnace |
| CN102072648A (en) * | 2011-01-20 | 2011-05-25 | 江苏中圣园科技股份有限公司 | Flameless combustion annular sleeve kiln |
| CN105090964A (en) * | 2014-06-23 | 2015-11-25 | 池州中宏运环保设备有限公司 | Sealed incinerator |
| CN106482119A (en) * | 2015-08-27 | 2017-03-08 | 江苏百茂源环保科技有限公司 | A kind of refuse incinerator |
| CN108826310A (en) * | 2018-07-20 | 2018-11-16 | 株洲中车南方环保科技有限公司 | A kind of segmented small refuse incinerator |
| CN110953590A (en) * | 2019-12-16 | 2020-04-03 | 江苏地质矿产设计研究院 | A multifunctional integrated furnace for simultaneous pyrolysis of waste and enhanced combustion |
| CN111878821A (en) * | 2020-07-11 | 2020-11-03 | 甘肃恒信环境工程科技有限公司 | Organic waste incineration pyrolysis system and pyrolysis method thereof |
| CN116622391A (en) * | 2023-06-26 | 2023-08-22 | 北京华能长江环保科技研究院有限公司 | Pyrolysis pretreatment device and method for mixing and burning refuse derived fuel in pulverized coal furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3771468A (en) * | 1972-01-20 | 1973-11-13 | P Kelly | Waste disposal |
| US4167909A (en) * | 1976-12-09 | 1979-09-18 | Dauvergne Hector A | Solid fuel burner |
| US4341199A (en) * | 1980-06-13 | 1982-07-27 | Calvin H. Hand, Jr. | Bio-mass burner with grate therefor and method of operation |
| CN1077266A (en) * | 1992-04-06 | 1993-10-13 | 吴正新·亚瑟 | Thermal conversion pyrolysis reactor system |
-
1994
- 1994-11-05 CN CN94117704A patent/CN1039155C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3771468A (en) * | 1972-01-20 | 1973-11-13 | P Kelly | Waste disposal |
| US4167909A (en) * | 1976-12-09 | 1979-09-18 | Dauvergne Hector A | Solid fuel burner |
| US4341199A (en) * | 1980-06-13 | 1982-07-27 | Calvin H. Hand, Jr. | Bio-mass burner with grate therefor and method of operation |
| CN1077266A (en) * | 1992-04-06 | 1993-10-13 | 吴正新·亚瑟 | Thermal conversion pyrolysis reactor system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1105114A (en) | 1995-07-12 |
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