CN204058359U - pyrolytic reaction device - Google Patents
pyrolytic reaction device Download PDFInfo
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- CN204058359U CN204058359U CN201420442939.9U CN201420442939U CN204058359U CN 204058359 U CN204058359 U CN 204058359U CN 201420442939 U CN201420442939 U CN 201420442939U CN 204058359 U CN204058359 U CN 204058359U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 41
- 238000000197 pyrolysis Methods 0.000 claims abstract description 75
- 239000007787 solid Substances 0.000 claims abstract description 36
- 239000007789 gas Substances 0.000 claims abstract description 33
- 239000000969 carrier Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 25
- 239000008247 solid mixture Substances 0.000 claims abstract description 17
- 239000007792 gaseous phase Substances 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000011049 filling Methods 0.000 claims description 18
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- 238000002560 therapeutic procedure Methods 0.000 claims description 14
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Abstract
The utility model discloses a kind of pyrolytic reaction device, comprise rotary kiln (1) and dust removing units, the tail end of rotary kiln is provided with solid thermal carriers entrance (4) and pyrolysis material inlet (5), head end be provided with there is centre hole annular weir plate (6), solid mixture outlet (9) and gaseous phase outlet, annular weir plate is arranged radially on the kiln body inwall of head end, and the product after rotary kiln pyrogenation is by discharging from solid mixture outlet and gaseous phase outlet respectively after the centre hole of annular weir plate; Dust removing units comprises cyclonic separator (2) and particulate filter (3), the blast inlet that cyclonic separator comprises air outlet and is connected with the gaseous phase outlet of rotary kiln; Particulate filter comprises pyrolysis gas exhaust duct and particle transport pipe, and one end of pyrolysis gas exhaust duct is connected with the air outlet of cyclonic separator.This device improves processing power and the pyrolysis efficiency of rotary type pyrolytic reaction device greatly, can carry out effective filtering to the particulate matter in pyrolysis gas, ensures that coal gas cleans.
Description
Technical field
The utility model belongs to pyrolytic process and apparatus field, particularly, relates to a kind of pyrolytic reaction device.
Background technology
For the cheap low order broken coal resource of China's abundant, how realizing clean, the Efficient Conversion from solid coal to clean coal gas by pyrolysis way, is a very great problem to meet the development need of clean coal utilization technology.
In prior art, the pyrolysis for low order broken coal more adopts the pyrolysis way of gas heating.Such as publication number is propose a kind of horizontal continuous carbonization converter of producing formed coke in the patent of CN 201686655 U.As shown in Figure 1, this converter comprises revolving horizontal drum 24 and drive unit 23 thereof, and one end of revolving horizontal drum 24 is feeding unit 25, the other end is drawing mechanism 21, the length-to-diameter ratio of revolving horizontal drum 24 is not more than 18, and inclination angle is not more than 1.5 °, is provided with heat source spray nozzle 22 in discharging one end of revolving horizontal drum 24.Adopt this converter device, the distortion of formed coke, glue mutually, to break etc. and can effectively be overcome, quality product is improved, and stable, simple to operate.But its shortcoming is: if for solid heat carrier pyrolysis, in kiln, ingress needs appropriate design mixing of materials section; Gas snead process causes subsequent gases treatment system complicated, and caloric power of gas is low; Pyrolyzer filling ratio is not high and not easily regulate; Charging, reaction and gas solid separation integrally do not considered and design.
Also existing with solid in prior art is the low order broken coal pyrolytic process of thermal barrier, and its advantage to prevent a large amount of dust from bringing system in source, is beneficial to and collects high-quality gas, liquid product effectively reduce smoke discharge amount.Launched many research work for this field both at home and abroad, the main body reactor adopted mainly contains moving-bed and fluidized-bed form, but does not form the ripe complete reaction technology comprising batch mixing, reaction and dedusting.In industrialization amplification process, also there are problems in addition, be mainly reflected in: 1) the short mix problem of solid thermal carriers and coal charge; 2) the second pyrolysis problem before tar goes out reactor and the sticky wall problem after going out reactor; 3) pyrolysis qi exhaustion dirt problem, especially a large amount of less than 10 μm thin ashes remove problem.Therefore, be necessary to develop solid thermal carriers broken coal pyrolytic technique suite of equipment pointedly.
Utility model content
The purpose of this utility model is to provide a kind of pyrolytic reaction device, to improve pyrolysis processing ability and dust removing effects.
For achieving the above object, the utility model provides a kind of pyrolytic reaction device, this pyrolytic reaction device comprises rotary kiln and dust removing units, the tail end of described rotary kiln is provided with solid thermal carriers entrance and pyrolysis material inlet, the head end of described rotary kiln is provided with the annular weir plate with centre hole, solid mixture outlet and gaseous phase outlet, described annular weir plate is arranged radially on the kiln body inwall of described head end, product after described rotary kiln pyrogenation is by discharging from described solid mixture outlet and described gaseous phase outlet respectively after the described centre hole of described annular weir plate, described dust removing units comprises cyclonic separator and particulate filter, the blast inlet that described cyclonic separator comprises air outlet and is connected with the described gaseous phase outlet of described rotary kiln, described particulate filter comprises pyrolysis gas exhaust duct and particle transport pipe, and one end of pyrolysis gas exhaust duct is connected with the described air outlet of described cyclonic separator.
Preferably, described annular weir plate is Circular Plate, and by arranging the internal diameter of described Circular Plate to regulate, described rotary kiln solid-filling rate, exists following relation between the internal diameter d of this Circular Plate and rotary kiln solid-filling rate φ:
Wherein, the axial spacing between the charging discharging point of l---described rotary kiln and described annular weir plate, unit is m;
The internal space overall length of L---described rotary kiln, unit is m;
The slope of repose of α---solid mixture, unit is °;
D---the internal diameter of described rotary kiln, unit is m;
Described rotary kiln solid-filling rate φ is more than or equal to 50%.
Design this annular weir plate by the relation between above-mentioned ring dam board size and rotary kiln filling ratio, meet higher processing requirement to make rotary kiln solid materials filling ratio.
Preferably, described rotary kiln also comprises and stretches into solid thermal carriers feed-pipe the kiln intracoelomic cavity of described rotary kiln and pyrolysis material feed-pipe from described solid thermal carriers entrance and described pyrolysis material inlet respectively, and the discharge end of described solid thermal carriers feed-pipe is positioned at the below of the discharge end of described pyrolysis material feed-pipe.
Preferably, described rotary kiln also comprises the middle rotating part between described head end and described tail end, the periphery of this middle rotating part is provided with gyration gear ring, be formed with kiln hood rotary seal between described head end and described middle rotating part, between described tail end and described middle rotating part, be formed with the rotary seal of kiln tail.
Preferably, described rotary kiln also comprises the polylith flight be installed on the kiln body inwall of described middle rotating part, and this polylith flight is arranged along the circumference of described kiln body inwall and/or axially spaced-apart respectively.
Preferably, described flight comprises plate body and angled end, and the first end of described plate body is connected on described kiln body inwall, and the second end radially extends, and described angled end is tilted to extension from described second end.
Preferably, described annular weir plate is arranged between the described kiln hood rotary seal of described head end and described solid mixture export.
Preferably, described head end comprises the first part and second section that are connected by flange, and described annular weir plate is removably mounted between the described flange of described first part and the described flange of described second section.
Preferably, described pyrolytic reaction device also comprises the Surgery therapy cover arranged around cyclonic separator and particulate filter, and this Surgery therapy cover has heat smoke entrance and heat smoke outlet.
Preferably, pipeline expanding reach is formed with and end passes from described Surgery therapy cover in described pyrolysis gas exhaust duct, described particle transport pipe passes vertically through described pipeline expanding reach, and in the tube chamber of this pipeline expanding reach, there is radial air flow passage in the tube wall of described particle transport pipe, form cross-flow between gas with the falling particles stream in described particle transport pipe after making pyrolysis and contact.
Preferably, in the tube chamber of described pipeline expanding reach, the relative both sides of the tube wall of described particle transport pipe are respectively equipped with the polylith turbogrid plates be intervally arranged along short transverse, gap between described turbogrid plates forms described radial air flow passage, and described polylith turbogrid plates are all arranged relative to planar tilt.
According to technique scheme, in pyrolytic reaction device of the present utility model, solid thermal carriers are utilized to carry out pyrolysis material (such as coal etc.), thus produce pyrolysis gas-phase product, on the basis of science and engineering skill herein, annular weir plate is radially set further in the head end of rotary kiln, after the centre hole of product (comprising solid-state thermal barrier and the pyrolysis gas etc. of gaseous state) after rotary kiln pyrogenation by annular weir plate, then discharge from solid mixture outlet and gaseous phase outlet respectively.Thus the solid-filling rate of rotary kiln pyrogenation part can be increased to 50% even more by arranging annular weir plate, thus greatly improve processing power and the efficiency of pyrolytic reaction device.And have employed two-stage dedusting, especially the particulate filter of rear class, effectively can remove 10 μm (left and right) the thin ash below in pyrolysis coal gas, thus obtain more clean coal gas.
Other feature and advantage of the present utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of horizontal continuous carbonization converter according to prior art;
Fig. 2 is the structure principle chart according to the pyrolytic reaction device in preferred implementation of the present utility model, and wherein rotary kiln is in running order, adds pyrolysis material and solid thermal carriers;
Fig. 3 and Fig. 2 is similar, but has wherein set up flight and carried out isothermal holding to high-temperature dust removal part;
Fig. 4 is the partial schematic diagram of the mounting structure of annular weir plate in Fig. 2 and Fig. 3;
Fig. 5 is the stereographic map of annular weir plate;
Fig. 6 is the mounting structure schematic diagram of the flight of a kind of preferred structure shown in Fig. 3;
Fig. 7 is the mounting structure schematic diagram of the flight of another kind of preferred structure.
description of reference numerals
1 rotary kiln 2 cyclonic separator
3 particulate filter 4 solid thermal carriers entrances
The annular weir plate of 5 pyrolysis material inlet 6
7 kiln tail rotary seal 8 kiln hood rotary seals
9 solid mixtures export 10 ash buckets
11 turbogrid plates 12 discharge valves
13 flight 14 heat smoke entrances
15 heat smoke export 16 Surgery therapy covers
17 flanges
21 drawing mechanism 22 heat source spray nozzles
23 drive unit 24 revolving horizontal drums
25 feeding units
131 plate body 132 angled end
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality of use as " upper and lower, top, the end " normally for direction shown in the drawings or for each parts mutual alignment relationship description word vertically, on vertical or gravity direction; Similarly, for ease of understanding and describing, " left and right " is normally for shown in the drawings left and right; " inside and outside " refers to profile inside and outside relative to each parts itself, but the above-mentioned noun of locality is not limited to the utility model.
As shown in Figure 2 or Figure 3, the utility model provides a kind of pyrolytic reaction device, this pyrolytic reaction device comprises rotary kiln 1 and dust removing units, the tail end of rotary kiln 1 is provided with solid thermal carriers entrance 4 and pyrolysis material inlet 5, the head end of rotary kiln 1 be provided with there is centre hole annular weir plate 6, solid mixture outlet 9 and gaseous phase outlet, annular weir plate 6 is arranged radially on the kiln body inwall of described head end, and the product after the pyrolysis of described rotary kiln 1 is by discharging from solid mixture outlet 9 and gaseous phase outlet respectively after the centre hole of annular weir plate 6; Dust removing units comprises cyclonic separator 2 and particulate filter 3, the blast inlet that cyclonic separator 2 comprises air outlet and is connected with the gaseous phase outlet of rotary kiln 1; Described particulate filter 3 comprises pyrolysis gas exhaust duct and particle transport pipe, and one end of pyrolysis gas exhaust duct is connected with the described air outlet of described cyclonic separator 2.
In pyrolytic reaction device of the present utility model, first have employed the pyrolytic process of solid thermal carriers, solid thermal carriers (semicoke as heating) and pyrolysis material (as low-rank coal) is made to enter the tail end of pyrolytic reaction device respectively, carry out mixing and pyrolytic reaction under the revolution of rotary kiln 1, last pyrolysis product is discharged from the head end of rotary kiln 1.Wherein, for gas heating mode, gas is directly to the direct or indirect contact heat-exchanging of the material in rotary kiln 1, and because heat transfer area limit, the thickness of the pyrolysis material in rotary kiln 1 is also very low, causes processing power and the inefficiency of rotary kiln 1.In solid thermal carriers type of heating, admittedly Gu Contact heat transfer area is no longer limited, allow or need to improve the solid-filling rate in rotary kiln 1, and the design of existing rotary kiln device (solid-filling rate is general not higher than 20%) can not reach above-mentioned requirements.Therefore, annular weir plate 6 has been set up at the head end of rotary kiln 1 in the utility model, the pyrolysis material in the pyrolysis section of rotary kiln 1 is made to be hampered by annular weir plate 6 when head end is discharged, thus the solid-filling rate that improve in revolution inner chamber, improve processing power and the processing efficiency of pyrolytic reaction device.By controlling pyrolysis time, the second pyrolysis before can preventing tar from going out reactor.In addition, also have employed two-stage dedusting especially in pyrolytic reaction device of the present utility model, especially the particulate filter of rear class, effectively can remove 10 μm (left and right) the thin ash below in pyrolysis coal gas, thus obtain more clean coal gas, will specifically address below.
In the present embodiment, annular weir plate 6 is preferably Circular Plate as shown in Figure 5, according to the relational design ring dam board size of annular weir plate annular diameters and rotary kiln solid-filling rate, reaches to 50% or more to make the solid-filling rate of rotary kiln pyrogenation part.Specifically, annular weir plate 6 is Circular Plate, there is following relation between the internal diameter d of this Circular Plate and rotary kiln solid-filling rate φ:
Wherein, the axial spacing between the charging discharging point of l---rotary kiln 1 and described annular weir plate 6, unit is m;
L---the internal space overall length of described rotary kiln 1, unit is m;
The slope of repose of α---solid mixture, unit is °; Slope of repose refers in gravity field, and the angle when free surface of powder accumulation body is in the ultimate limit state of balance between free surface and horizontal plane, the upper surface of powder piled up in such as, rotary kiln in Fig. 2 and the angle of horizontal plane can be considered slope of repose.
The internal diameter of D---rotary kiln 1, unit is m.
More fully to mix with pyrolysis material for making solid thermal carriers and heat, see Fig. 2 or Fig. 3, rotary kiln 1 also comprises and stretches into solid thermal carriers feed-pipe the kiln intracoelomic cavity of rotary kiln 1 and pyrolysis material feed-pipe from solid thermal carriers entrance 4 and pyrolysis material inlet 5 respectively, and the discharge end of this solid thermal carriers feed-pipe is positioned at the below of the discharge end of pyrolysis material feed-pipe.Namely, the solid thermal carriers flowed in rotary kiln 1 are deposited in the below of pyrolysis material.Like this, make solid thermal carriers and pyrolysis material separate charging, enter the latter two Rapid contact, can prevent mixing pyrolysis gas chance high-temp solid (hot semicoke) produced instantaneously and cracking occurs.Then by the revolution of rotary kiln 1 and below address fold arms 13 stirring, solid thermal carriers and pyrolysis material mix further, and pyrolytic reaction is more fully, thoroughly.
Wherein, rotary kiln 1 comprises the middle rotating part (i.e. the pyrolysis section of rotary kiln) between head end and tail end, the periphery of this middle rotating part is provided with gyration gear ring (not shown), be formed with kiln hood rotary seal 8 between head end and middle rotating part, between tail end and middle rotating part, be formed with kiln tail rotary seal 7.Thus when external motor drives gyration gear ring to rotate by worm gearing, middle rotating part can be driven to turn round, and head end and tail end can keep relative position to fix.Under such configuration, for solid thermal carriers and the pyrolysis material of accumulation of thick in middle rotating part, be necessary to make it abundant mixing.For this reason, the polylith flight 13 be installed on the kiln body inwall of middle rotating part has been set up in present embodiment, this polylith flight 13 can be preferably to be arranged along the axially spaced-apart of kiln body inwall as illustrated in fig. 3 respectively, can also arrange along the circumferential interval of kiln body inwall respectively as illustrated in fig. 6.Under the revolution of middle rotating part drives, flight 13 pairs of materials fully stir, and make it to mix, by thermal balance, and sufficient reacting, and the degree of fragmentation controlling broken coal.
Flight 13 can be the flat board shown in Fig. 6.Especially, flight 13 also can comprise plate body 131 and angled end 132, the first end of plate body 131 is connected on kiln body inwall, second end radially extends, angled end 132 is tilted to extension from the second end, form curved flight as shown in Figure 7, to strengthen the agitating function of flight 13 further.Can also make between plate body 131 and angled end 132 rectangular, form right angle flight.
As shown in Figure 3 and Figure 4, annular weir plate 6 is arranged on the kiln hood rotary seal 8 of the head end of rotary kiln 1 and solid mixture exports between 9, namely be arranged on the end position of the close middle rotating part of head end, make from the end of middle rotating part material out can less accumulation directly overflowing from the centre hole of annular weir plate 6 in head end.The shape of the centre hole of annular weir plate 6 and large I are determined according to practical application and design needs.Further, it is adjustable that annular weir plate 6 can preferably be designed to center hole size, or the replaceable installation of annular weir plate 6.As shown in Figure 4, as the preferred mounting means of one, the head end of rotary kiln 1 comprises the first part and second section that are connected by flange 17, and annular weir plate 6 is removably mounted between the flange 17 of first part and the flange 17 of second section.In other words, annular weir plate 6 is installed between two joint flanges 17, when needing the annular weir plate 6 changing different centre hole, and can by the Bolt dismantling on two flanges 17, take out annular weir plate 6 and corresponding replacement, with the solid-filling rate making the material in rotary kiln 1 keep suitable.
More than describe the Structure and improvement of rotary kiln 1 pyrolysis section of pyrolytic reaction device of the present utility model in detail.Wherein, there is import form and the movement of solid material control piece of particular design, ensure that broken coal and solid thermal carriers enter rotary kiln pyrogenation part and namely complete and contact fast and mix, prevent the secondary pyrolysis of pyrolysis gas, mixture in moving process, continue mixing and the residence time adjustable, and control the degree of fragmentation of broken coal; Also by annular weir plate 6 flexible solid-filling rate and the residence time; Simultaneously in rotary kiln 1, pyrolysis section preferably keeps pressure-fired under normal operation, is entered pyrolyzer and initiation potential to prevent the air of outside atmosphere by suck-back.
Product after pyrolysis is discharged from the head end of rotary kiln 1, particularly, the residues such as solid thermal carriers are discharged by the solid mixture outlet 9 of below, and pyrolysis gas phases (comprising pyrolysis coal gas, Solid micro and heavy constituent condensation product etc.) is overflowed by the gaseous phase outlet of top.
Except rotary kiln part, pyrolytic reaction device of the present utility model also comprises and is positioned at the outside and high-temperature dust removal part be connected with the gaseous phase outlet of rotary kiln 1 of rotary kiln, i.e. aforesaid dust removing units, in order to remove the flue dust such as Solid micro form in pyrolysis gas phases.As shown in Figure 3, the Surgery therapy cover 16 that this dust removing units comprises cleaning apparatus and arranges around this cleaning apparatus, this Surgery therapy cover 16 has heat smoke entrance 14 and heat smoke outlet 15.Cleaning apparatus is used for carrying out dedusting to pyrolysis gas phases.The Surgery therapy passing into heat smoke overlaps 16 for being incubated cleaning apparatus, and prevent the heavy constituent condensation product in pyrolysis gas phases from cleaning apparatus and pipeline, meeting the sticky wall of condensation knot, the working efficiency reducing each parts even causes losing efficacy.
Particularly, see Fig. 3, Surgery therapy cover 16 is formed as the shell cavity of cubes or other suitable shape, pipeline and all kinds of cleaning apparatus cover is established wherein.The heat smoke entrance 14 that Surgery therapy overlaps 16 tops passes into heat smoke, because hot gas floats, after must being full of the chamber between Surgery therapy cover 16 and crust of the device body, just heat smoke from below exports 15 and overflows, in the process each device and pipeline are surrounded, under the wall of each device and pipeline remains on rational high temperature, the heavy constituent condensation product in pyrolysis gas phases is avoided to meet the sticky wall of condensation knot.The temperature passing into heat smoke should remain the coagulation temperature being greater than heavy constituent condensation product.
In the utility model, as previously mentioned, dust removing units adopts two-stage dedusting, and the cleaning apparatus of use comprises cyclonic separator 2 and particulate filter 3.Take off dirt processing requirements according to technique, cyclonic separator 2 can be one or two or more multi-level.Single cyclonic separator 2 is adopted, the blast inlet that this cyclonic separator 2 comprises air outlet and is connected with the gaseous phase outlet of rotary kiln 1 in Fig. 3.The coarse particles of removal, for removing the coarse particles of more than 10 μm (left and right) in pyrolysis gas-phase product, comes together in ash bucket 10 by cyclonic separator 2.And for 10 μm (left and right) the thin ash below carried, adopt particulate filter 3 to carry out filtering.This particulate filter 3 comprises pyrolysis gas exhaust duct (transverse pipe in figure) and particle transport pipe (vertical duct in figure), one end of this exhaust duct of venting one's spleen is connected with the air outlet of cyclonic separator 2, the other end passes from Surgery therapy cover 16, pipeline expanding reach is formed in pyrolysis gas exhaust duct, particle transport pipe passes vertically through pipeline expanding reach, and in the tube chamber of this pipeline expanding reach, the tube wall of particle transport pipe exists radial air flow passage, form cross-flow between gas and the falling particles stream in particle transport pipe after making pyrolysis and contact.
Wherein, the filtration medium in particulate filter 3 is preferably granularity at the high-temperature semi-coke particle of 0.5 ~ 20mm scope, quartz sand or common sand, and pan feeding temperature need higher than the condensation point of pyrolysis gas-phase product entering particulate filter 3.Like this, filtration medium is filled in the top of particle transport pipe, prevent pyrolysis gas-phase product from overflowing from top, simultaneously pyrolysis gas-phase product along the radial air flow passage on the tube wall of particle transport pipe radially across this particle transport pipe, form cross-flow with the filtration medium stream vertically fallen to contact, thus 10 μm (left and right) the thin ash below in air-flow follows filtration medium, is able to filtering, and by discharge valve 12 discharging.
For realizing above-mentioned radial air flow passage, radial direction through hole can be drilled with on the tube wall of particle transport pipe.In the present embodiment, as a kind of preferred structure, in the tube chamber of pipeline expanding reach, the relative both sides of the tube wall of particle transport pipe can be respectively equipped with the polylith turbogrid plates 11 be intervally arranged along short transverse, form similar shutter, gap between turbogrid plates 11 then forms described radial air flow passage, guides air flow method.Wherein, polylith turbogrid plates 11 are all arranged relative to planar tilt.Angular range between turbogrid plates 11 and horizontal plane is preferably 20 ° ~ 70 °.As shown in Figure 3, each piece of turbogrid plates 11 all tilt upward.Like this, the filtration medium of whereabouts is not easily escaped to tube wall from radial air flow passage.Certainly, selectively, each piece of turbogrid plates 11 also tiltable arrange downwards.
Pyrolytic reaction device of the present utility model can be used as the nucleus equipment of solid thermal carriers low-rank coal pyrolytic technique.Wherein, prior art of having combined closely Problems existing, takes off the technical elements such as dirt with regard to rapid mixer, reaction conditions control and classification and considers, reasonable in design, with strong points, the processing requirement of low order broken coal pyrolytic technique can better be met, there is excellent industrial prospect.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (11)
1. a pyrolytic reaction device, this pyrolytic reaction device comprises rotary kiln (1) and dust removing units, it is characterized in that, the tail end of described rotary kiln (1) is provided with solid thermal carriers entrance (4) and pyrolysis material inlet (5), the head end of described rotary kiln (1) is provided with the annular weir plate (6) with centre hole, solid mixture outlet (9) and gaseous phase outlet, described annular weir plate (6) is arranged radially on the kiln body inwall of described head end, product after described rotary kiln (1) pyrolysis is by discharging from described solid mixture outlet (9) and described gaseous phase outlet respectively after the described centre hole of described annular weir plate (6), described dust removing units comprises cyclonic separator (2) and particulate filter (3), the blast inlet that described cyclonic separator (2) comprises air outlet and is connected with the described gaseous phase outlet of described rotary kiln (1), described particulate filter (3) comprises pyrolysis gas exhaust duct and particle transport pipe, and one end of described pyrolysis gas exhaust duct is connected with the described air outlet of described cyclonic separator (2).
2. pyrolytic reaction device according to claim 1, it is characterized in that, described annular weir plate (6) is Circular Plate, by arranging the internal diameter of described Circular Plate to regulate,, between the internal diameter d of Circular Plate and rotary kiln solid-filling rate φ, there is following relation in described rotary kiln solid-filling rate:
Wherein, the axial spacing between the charging discharging point of l---described rotary kiln (1) and described annular weir plate (6), unit is m;
L---the internal space overall length of described rotary kiln (1), unit is m;
The slope of repose of α---solid mixture, unit is °;
D---the internal diameter of described rotary kiln (1), unit is m;
Described rotary kiln solid-filling rate φ is more than or equal to 50%.
3. pyrolytic reaction device according to claim 1, it is characterized in that, described rotary kiln (1) also comprises and stretches into solid thermal carriers feed-pipe the kiln intracoelomic cavity of described rotary kiln (1) and pyrolysis material feed-pipe from described solid thermal carriers entrance (4) and described pyrolysis material inlet (5) respectively, and the discharge end of described solid thermal carriers feed-pipe is positioned at the below of the discharge end of described pyrolysis material feed-pipe.
4. pyrolytic reaction device according to claim 1, it is characterized in that, described rotary kiln (1) also comprises the middle rotating part between described head end and described tail end, the periphery of this middle rotating part is provided with gyration gear ring, be formed with kiln hood rotary seal (8) between described head end and described middle rotating part, between described tail end and described middle rotating part, be formed with kiln tail rotary seal (7).
5. pyrolytic reaction device according to claim 4, it is characterized in that, described rotary kiln (1) also comprises the polylith flight (13) be installed on the kiln body inwall of described middle rotating part, and this polylith flight (13) is arranged along the circumference of described kiln body inwall and/or axially spaced-apart respectively.
6. pyrolytic reaction device according to claim 5, it is characterized in that, described flight (13) comprises plate body (131) and angled end (132), the first end of described plate body (131) is connected on described kiln body inwall, second end radially extends, and described angled end (132) is tilted to extension from described second end.
7. pyrolytic reaction device according to claim 4, is characterized in that, described annular weir plate (6) is arranged on the described kiln hood rotary seal (8) of described head end and described solid mixture exports between (9).
8. pyrolytic reaction device according to claim 7, it is characterized in that, described head end comprises the first part and second section that are connected by flange (17), and described annular weir plate (6) is removably mounted between the described flange (17) of described first part and the described flange (17) of described second section.
9. according to the pyrolytic reaction device in claim 1-8 described in any one, it is characterized in that, described pyrolytic reaction device also comprises the Surgery therapy cover (16) arranged around described cyclonic separator (2) and particulate filter (3), and this Surgery therapy cover (16) has heat smoke entrance (14) and heat smoke outlet (15).
10. pyrolytic reaction device according to claim 9, it is characterized in that, pipeline expanding reach is formed with and end passes from described Surgery therapy cover (16) in described pyrolysis gas exhaust duct, described particle transport pipe passes vertically through described pipeline expanding reach, and in the tube chamber of this pipeline expanding reach, there is radial air flow passage in the tube wall of described particle transport pipe, form cross-flow between gas with the falling particles stream in described particle transport pipe after making pyrolysis and contact.
11. pyrolytic reaction devices according to claim 10, it is characterized in that, in the tube chamber of described pipeline expanding reach, the relative both sides of the tube wall of described particle transport pipe are respectively equipped with the polylith turbogrid plates (11) be intervally arranged along short transverse, gap between described turbogrid plates (11) forms described radial air flow passage, and described polylith turbogrid plates (11) are all arranged relative to planar tilt.
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| CN105180646A (en) * | 2015-09-17 | 2015-12-23 | 浙江大学 | Rotary gasification combustion device and gasification combustion process |
| CN107764048A (en) * | 2017-11-20 | 2018-03-06 | 湖南万容科技股份有限公司 | A kind of rotary kiln grading discharge mechanism |
| CN108195191A (en) * | 2015-11-27 | 2018-06-22 | 湖南鼎玖能源环境科技有限公司 | Segmented swings rotary furnace |
| CN111842457A (en) * | 2020-06-24 | 2020-10-30 | 永清环保股份有限公司 | Ectopic thermal desorption method and device for oil sludge or organic contaminated soil |
| CN112923720A (en) * | 2021-02-04 | 2021-06-08 | 湖南鼎玖能源环境科技股份有限公司 | Hot-blast furnace and slewing equipment |
| CN114646216A (en) * | 2022-03-23 | 2022-06-21 | 神华准能资源综合开发有限公司 | Calcination system and calcination method for crystallized aluminum chloride |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180646A (en) * | 2015-09-17 | 2015-12-23 | 浙江大学 | Rotary gasification combustion device and gasification combustion process |
| CN105180646B (en) * | 2015-09-17 | 2019-08-30 | 浙江大学 | A kind of rotary gasified combustion apparatus and gasification, and combustion technique |
| CN108195191A (en) * | 2015-11-27 | 2018-06-22 | 湖南鼎玖能源环境科技有限公司 | Segmented swings rotary furnace |
| CN108195191B (en) * | 2015-11-27 | 2019-07-12 | 湖南鼎玖能源环境科技股份有限公司 | Segmented swings rotary furnace |
| CN107764048A (en) * | 2017-11-20 | 2018-03-06 | 湖南万容科技股份有限公司 | A kind of rotary kiln grading discharge mechanism |
| CN111842457A (en) * | 2020-06-24 | 2020-10-30 | 永清环保股份有限公司 | Ectopic thermal desorption method and device for oil sludge or organic contaminated soil |
| CN111842457B (en) * | 2020-06-24 | 2022-04-08 | 永清环保股份有限公司 | Ectopic thermal desorption method and device for organic contaminated soil |
| CN112923720A (en) * | 2021-02-04 | 2021-06-08 | 湖南鼎玖能源环境科技股份有限公司 | Hot-blast furnace and slewing equipment |
| CN114646216A (en) * | 2022-03-23 | 2022-06-21 | 神华准能资源综合开发有限公司 | Calcination system and calcination method for crystallized aluminum chloride |
| CN114646216B (en) * | 2022-03-23 | 2023-11-24 | 神华准能资源综合开发有限公司 | Calcination system and calcination method for crystalline aluminum chloride |
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Address after: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Patentee after: CHINA ENERGY INVESTMENT Corp.,Ltd. Patentee after: Beijing low carbon clean energy Research Institute Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: SHENHUA GROUP Corp.,Ltd. Patentee before: NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY |