CN103666491B - Rotating bed gas retort - Google Patents
Rotating bed gas retort Download PDFInfo
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- CN103666491B CN103666491B CN201310651850.3A CN201310651850A CN103666491B CN 103666491 B CN103666491 B CN 103666491B CN 201310651850 A CN201310651850 A CN 201310651850A CN 103666491 B CN103666491 B CN 103666491B
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- distribution structure
- gas distribution
- filler plate
- burner hearth
- heater
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- 239000000945 filler Substances 0.000 claims abstract description 43
- 238000000197 pyrolysis Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 32
- 230000005855 radiation Effects 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a kind of rotating bed gas retort, comprising: body of heater, in body of heater, limit burner hearth, body of heater has opening for feed and discharge port; Filler plate, filler plate to be flatly located in burner hearth and burner hearth to be separated into furnace cavity and to be positioned at the overhead space below furnace cavity; Circulation device, circulation device is disposed adjacent to be circulated between furnace cavity and overhead space by the pyrolysis gas in burner hearth with body of heater; And at least one gas distribution structure, gas distribution structure be located at obliquely filler plate below and with the angle becoming scope at 30 ° ~ 60 ° between the horizontal plane of filler plate place, gas distribution structure is in order to by even for the material on filler plate pyrolysis.According to rotating bed gas retort of the present invention, by arranging gas distribution structure, under the effect of circulation device, make pyrolysis gas can uniformly across material bed in burner hearth, thus make the even pyrolysis of material that is distributed on filler plate, and then obtain the more homogeneous product of quality.
Description
Technical field
The present invention relates to industrial technical field, especially relate to a kind of rotating bed gas retort.
Background technology
Adopt rotating bed as the pyrolytic technique of the destructive distillation type of furnace, take pyrolysis gas pump circulation in burner hearth to improve material heat transfer in burner hearth, to improve the output of rotating bed pyrolysis material.Be two dimensional structure at the bottom of traditional rotary hearth furnace, pyrolysis gas pump circulation enters burner hearth from the intake channel of furnace bottom side, is drawn, thus achieve the forced convection of pyrolysis gas from being positioned at air outlet, material top by recirculation blower.But, in this process, along with the drag losses of pyrolysis gas in stove, when arriving the furnace bottom away from one end, air outlet for hydronic pyrolysis gas, gas flow rate and stream pressure all have decline in various degree, cause gas upwards to reduce through the power of material plate, on supply furnace bottom, the heat of material is inconsistent, thus on furnace bottom, raw material pyrolysis is uneven.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose the rotating bed gas retort that a kind of material is heated evenly.
According to the rotating bed gas retort of the embodiment of the present invention, comprising: body of heater, in described body of heater, limit burner hearth, described body of heater has opening for feed and discharge port; Filler plate, described filler plate to be flatly located in described burner hearth and described burner hearth to be separated into furnace cavity and to be positioned at the overhead space below described furnace cavity; Circulation device, described circulation device is disposed adjacent to be circulated between described furnace cavity and described overhead space by the pyrolysis gas in described burner hearth with described body of heater; And at least one gas distribution structure, described gas distribution structure be located at obliquely described filler plate below and with the angle becoming scope at 30 ° ~ 60 ° between the horizontal plane of described filler plate place, described gas distribution structure is in order to by even for the material on described filler plate pyrolysis.
According to the rotating bed gas retort of the embodiment of the present invention, by arranging gas distribution structure, under the effect of circulation device, make pyrolysis gas can uniformly across material bed in burner hearth, thus make the even pyrolysis of material that is distributed on filler plate, and then obtain the more homogeneous product of quality, and in whole process, the adjustments of gas flow velocity to pyrolysis gas timesharing, segmentation and stream pressure can be realized.In addition, this rotating bed gas retort is simple to operate, reliable, and throughput is strong.
In addition, rotating bed gas retort according to the present invention also can have following additional technical feature:
Further, described burner hearth have intake channel and exhaust channel, wherein said exhaust channel or described intake channel communicate with described furnace cavity, and described intake channel or described exhaust channel communicate with described overhead space and be positioned at the lower side of described gas distribution structure.Thus, effectively can ensure that the heat of the material supplied on filler plate is consistent, thus make material pyrolysis even.
Alternatively, described gas distribution structure is formed as inclined-plane or the cascaded surface of inclination.
Further, the below of described gas distribution structure is provided with at least one strut member.Thus, by arranging strut member, to gas distribution structure, there is certain supporting role.
According to one embodiment of present invention, described circulation device comprises at least one blower fan, blower fan described at least one has air intake path and air-out path, described air intake path and described air-out path communicate with the described exhaust channel of described burner hearth and described intake channel respectively.Thus, by arranging blower fan, the forced convection of pyrolysis gas in burner hearth can be realized.
Alternatively, described opening for feed and described discharge port are spaced apart from each other setting on described body of heater, and described gas distribution structure is one and a described gas distribution structure extends to described discharge port from described opening for feed in described burner hearth.
Alternatively, described gas distribution structure is that spaced the turning up the soil of multiple and described multiple gas distribution structure is located at the below of described filler plate.
According to one embodiment of present invention, described filler plate is formed with multiple breather hole.Thus, passing through smoothly of recirculating air can be ensured.
Alternatively, each described breather hole is circular, and the diameter of each described breather hole is 3 ~ 5mm, and the distance between the adjacent described breather hole center of circle is 8 ~ 10mm.
According to one embodiment of present invention, radiation tube heater is provided with above described filler plate.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of rotating bed gas retort according to an embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the structure of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, particular case above-mentioned term concrete meaning in the present invention can be understood.
Describe the rotating bed gas retort 100 according to the embodiment of the present invention below with reference to Fig. 1, this rotating bed gas retort 100 can be used for pyrolysis raw coal, in the description below the application, is described for pyrolysis raw coal for rotating bed gas retort 100.Certainly, those skilled in that art are appreciated that this rotating bed gas retort 100 is only exemplarily described for pyrolysis raw coal, and are not limited thereto, and that is, rotating bed gas retort 100 according to the present invention may be used for other materials 21 needing pyrolysis.
As shown in Figure 1, according to the rotating bed gas retort 100 of the embodiment of the present invention, comprising: body of heater 1, filler plate 2, circulation device and at least one gas distribution structure 4.Limit burner hearth 11 in body of heater 1, body of heater 1 has opening for feed (scheming not shown) and discharge port (scheming not shown).Opening for feed is used in burner hearth 11, feed the material 21 treating pyrolysis, and discharge port is for discharging the product after pyrolysis.
Filler plate 2 to be flatly located in burner hearth 11 and the overhead space 112 burner hearth 11 being separated into furnace cavity 111 and being positioned at below furnace cavity 111.As shown in Figure 1, filler plate 2 is located in burner hearth 11, and for placing the material 21 treating pyrolysis on filler plate 2, burner hearth 11 is separated into furnace cavity 111 and overhead space 112 by filler plate 2, furnace cavity 111 is positioned at the top of overhead space 112, treats that the material 21 of pyrolysis is positioned at furnace cavity 111.
Further, be provided with radiation tube heater above filler plate 2, particularly, this radiation tube heater to be located in furnace cavity 111 and to be positioned at the top of the material 21 filler plate 2 being treated pyrolysis.Radiation tube heater comprises radiator tube 6 and burner, and wherein burner is located at the end of radiator tube 6.Alternatively, radiator tube 6 can be adopted and be made of a steel, and radiator tube 6 is linear pattern pipe, U-tube or W type pipe.
Circulation device is disposed adjacent to be circulated between furnace cavity 111 and overhead space 112 by the pyrolysis gas in burner hearth 11 with body of heater 1.That is, circulation device is located at outside body of heater 1.In one of them example of the present invention, when body of heater 1 roughly ringwise time, circulation device can be located at the side at contiguous body of heater 1 center, certainly, the present invention is not limited thereto, and circulation device also can be located at the side away from body of heater 1 center.
Gas distribution structure 4 is located at the below of filler plate 2 obliquely, and becomes scope at the angle of 30 ° ~ 60 ° between gas distribution structure 4 with filler plate 2 place horizontal plane, and gas distribution structure 4 is in order to by the evenly pyrolysis of the material 21 on filler plate 2.As shown in Figure 1, filler plate 2 horizontal-extending, gas distribution structure 4 is roughly in plate shape, and the angle between the plane at gas distribution structure 4 place and the plane at filler plate 2 place is α, and the scope of angle α is between 30 ° ~ 60 °.The concrete numerical value of angle α can carry out designing material 21 is heated evenly according to rotating bed gas retort 100 structure of reality.It is to be appreciated that the quantity of gas distribution structure 4 can be arranged according to actual requirement, to meet actual requirement better.
According to the rotating bed gas retort 100 of the embodiment of the present invention, by arranging gas distribution structure 4, under the effect of circulation device, make pyrolysis gas can uniformly across material 21 layers in burner hearth 11, thus the material 21 evenly pyrolysis making to be distributed on filler plate 2, and then obtain the more homogeneous product of quality, and in whole process, the adjustments of gas flow velocity to pyrolysis gas timesharing, segmentation and stream pressure can be realized.In addition, this rotating bed gas retort 100 is simple to operate, reliable, and throughput is strong.
Alternatively, gas distribution structure 4 is formed as inclined-plane or the cascaded surface of inclination.That is, gas distribution structure 4 can be formed as the plane (plane as shown in Figure 1) be obliquely installed, or is formed as the cascaded surface (scheming not shown) of stepped-style.
Further, burner hearth 11 have intake channel 113 and exhaust channel, intake channel 113 for feeding pyrolysis gas in burner hearth 11, exhaust channel carries out the gas after pyrolysis for discharging to material 21, wherein exhaust channel or intake channel 113 are connected with furnace cavity 111, intake channel 113 or exhaust channel are connected with overhead space 112, and intake channel 113 or exhaust channel are positioned at the lower side of gas distribution structure 4.In other words, exhaust channel is connected with furnace cavity 111, intake channel 113 is connected with overhead space 112, and intake channel 113 is positioned at the lower side of described gas distribution structure 4, or intake channel 113 is connected with furnace cavity 111, exhaust channel is connected with overhead space 112, and exhaust channel is positioned at the lower side of gas distribution structure 4.
Particularly, in one of them example of the present invention, when exhaust channel is connected with furnace cavity 111, intake channel 113 is connected with overhead space 112 and intake channel 113 is positioned at described gas distribution structure 4 lower side time, under the effect of circulation device, pyrolysis gas enters burner hearth 11 from the intake channel 113 of the lower side (left side as shown in Figure 1) of gas distribution structure 4 in overhead space 112, then from bottom to top uniformly across material bed, then drawn from the exhaust channel be positioned at furnace cavity 111 by circulation device.In the process, because gas distribution structure 4 is located at the below of filler plate 2 obliquely, distant between one end of the contiguous intake channel 113 of gas distribution structure 4 and filler plate 2, away from the close together between one end of intake channel 113 and filler plate 2, thus effectively can ensure that the heat of the material 21 supplied on filler plate 2 is consistent, make material 21 pyrolysis even.
Certainly, the present invention is not limited thereto, in another example of the present invention, when intake channel 113 is connected with furnace cavity 111, exhaust channel is connected with overhead space 112 and exhaust channel is positioned at gas distribution structure 4 lower side time, under the effect of circulation device, pyrolysis gas enters burner hearth 11 from the intake channel 113 be positioned at furnace cavity 111, then from top to bottom uniformly across material bed, then drawn from the exhaust channel of the lower side of gas distribution structure 4 in overhead space 112 by circulation device.
Further, the below of gas distribution structure 4 is provided with at least one strut member 5.Such as showing three strut members 5 in the example of fig. 1, by arranging strut member 5, to gas distribution structure 4, there is certain supporting role.It is to be appreciated that the quantity of strut member 5 can require to arrange, to meet practical set requirement better according to practical set.Certainly, the present invention is not limited thereto, strut member 5 also can not be established in the below of gas distribution structure 4.
In one embodiment of the invention, circulation device comprises at least one blower fan 3, at least one blower fan 3 has air intake path 31 and air-out path 32, and air intake path 31 and air-out path 32 communicate with exhaust channel and intake channel 113 respectively.In the example of fig. 1, blower fan 3 is respectively equipped with air intake path 31 and air-out path 32, air intake path 31 is connected with exhaust channel to draw the pyrolysis gas in burner hearth 11, and air-out path 32 is connected to feed pyrolysis gas in burner hearth 11 with intake channel 113.Thus, by arranging blower fan 3, the forced convection of pyrolysis gas in burner hearth 11 can be realized.
Alternatively, opening for feed and discharge port are spaced apart from each other setting on body of heater 1, and gas distribution structure 4 is one and a gas distribution structure 4 extends to discharge port (scheming not shown) from opening for feed in burner hearth 11.That is, opening for feed and discharge port are spaced from each other setting in the horizontal plane, and gas distribution structure 4 can extend to the position of discharge port in burner hearth 11 always from the position of opening for feed.
Certainly, the present invention is not limited thereto, gas distribution structure 4 also can be the spaced below (scheming not shown) being located at filler plate 2 of turning up the soil of multiple and multiple gas distribution structure 4.Now, according to the difference of material 21 present position in rotating retorts, multiple gas distribution structure 4 can be correspondingly set.
In one embodiment of the invention, filler plate 2 can be formed with multiple breather hole (scheming not shown).Thus, passing through smoothly of recirculating air can be ensured.
Alternatively, each breather hole is circular, and the diameter of each breather hole is 3 ~ 5mm, and the distance between the adjacent breather hole center of circle is 8 ~ 10mm.
Certainly, the present invention is not limited thereto, in other examples of the present invention, the shape of each breather hole also can be ellipse, Long Circle or is greater than the Polygons etc. on three limits.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (6)
1. a rotating bed gas retort, is characterized in that, comprising:
Body of heater, limits burner hearth in described body of heater, described body of heater has opening for feed and discharge port, and described opening for feed and described discharge port are spaced apart from each other setting on described body of heater, described burner hearth have intake channel and exhaust channel;
Filler plate, described filler plate to be flatly located in described burner hearth and described burner hearth to be separated into furnace cavity and to be positioned at the overhead space below described furnace cavity, described filler plate is formed with multiple breather hole, and wherein said exhaust channel communicates with described furnace cavity;
Circulation device, described circulation device is disposed adjacent to be circulated between described furnace cavity and described overhead space by the pyrolysis gas in described burner hearth with described body of heater; And
At least one gas distribution structure, described gas distribution structure be located at obliquely described filler plate below and with the angle becoming scope at 30 ° ~ 60 ° between the horizontal plane of described filler plate place, described intake channel communicates with described overhead space and is positioned at the lower side of described gas distribution structure, described gas distribution structure is in order to by even for the material on described filler plate pyrolysis, described gas distribution structure is one and a described gas distribution structure extends to described discharge port from described opening for feed in described burner hearth, or described gas distribution structure is that spaced the turning up the soil of multiple and described multiple gas distribution structure is located at the below of described filler plate.
2. rotating bed gas retort according to claim 1, is characterized in that, described gas distribution structure is formed as inclined-plane or the cascaded surface of inclination.
3. rotating bed gas retort according to claim 1, is characterized in that, the below of described gas distribution structure is provided with at least one strut member.
4. rotating bed gas retort according to claim 1, it is characterized in that, described circulation device comprises at least one blower fan, blower fan described at least one has air intake path and air-out path, described air intake path and described air-out path communicate with the described exhaust channel of described burner hearth and described intake channel respectively.
5. rotating bed gas retort according to claim 1, is characterized in that, each described breather hole is circular, and the diameter of each described breather hole is 3 ~ 5mm, and the distance between the adjacent described breather hole center of circle is 8 ~ 10mm.
6. rotating bed gas retort according to claim 1, is characterized in that, is provided with radiation tube heater above described filler plate.
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| CN201310651850.3A CN103666491B (en) | 2013-12-04 | 2013-12-04 | Rotating bed gas retort |
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| CN201310651850.3A CN103666491B (en) | 2013-12-04 | 2013-12-04 | Rotating bed gas retort |
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| CN103666491B true CN103666491B (en) | 2015-09-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103980926B (en) * | 2014-05-14 | 2015-12-23 | 北京神雾环境能源科技集团股份有限公司 | The method for pyrolysis of carbonaceous material pyrolysis installation and carbonaceous material |
| US20170275542A1 (en) * | 2014-08-22 | 2017-09-28 | Simple Approach Systems, Inc. | Apparatus, system, and method for converting varied source industry waste into energy |
| CN104178186B (en) * | 2014-09-09 | 2016-11-02 | 北京神雾环境能源科技集团股份有限公司 | A kind of coal low-temperature carbonization system and method |
| CN104560072B (en) * | 2014-12-26 | 2018-05-18 | 北京神源环保有限公司 | Thermal decomposition of organic wastes system and method for pyrolysis |
| CN104560071B (en) * | 2014-12-26 | 2017-11-24 | 神雾科技集团股份有限公司 | Pyrolysis system and method for pyrolysis |
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| CN101407722B (en) * | 2008-10-10 | 2011-11-09 | 哈尔滨工业大学 | Biomass high temperature pyrolysis and gasification and high temperature pyrolysis gas catalytic purification process |
| CN102391879A (en) * | 2011-09-23 | 2012-03-28 | 北京华福工程有限公司 | Rotary bed dry distillation furnace and method for improving yield of coal dry distillation tar by activating pyrolysis gas |
| CN102634354A (en) * | 2012-04-11 | 2012-08-15 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis device and coal pyrolysis method for improving yield of tar |
| CN203653479U (en) * | 2013-12-04 | 2014-06-18 | 北京神雾环境能源科技集团股份有限公司 | Revolving bed dry distillation furnace |
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| US20080131828A1 (en) * | 2006-11-30 | 2008-06-05 | Rinnai Corporation | All primary combustion burner |
| CN201558696U (en) * | 2009-10-27 | 2010-08-25 | 中国石油化工股份有限公司 | Gas distribution plate and catalytic combustion reactor |
| CN102876339A (en) * | 2012-10-17 | 2013-01-16 | 哈尔滨工业大学 | Gasification and splitting reaction device |
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Denomination of invention: Rotary bed dry distillation furnace and method for improving yield of coal dry distillation tar by activating pyrolysis gas Effective date of registration: 20180307 Granted publication date: 20150902 Pledgee: Bank of Nanjing, Limited by Share Ltd, Beijing branch Pledgor: Shenwu science and technology group Limited by Share Ltd Registration number: 2018990000177 |
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