CN204281698U - Pyrolysis gas cleaning apparatus - Google Patents
Pyrolysis gas cleaning apparatus Download PDFInfo
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- CN204281698U CN204281698U CN201420706624.0U CN201420706624U CN204281698U CN 204281698 U CN204281698 U CN 204281698U CN 201420706624 U CN201420706624 U CN 201420706624U CN 204281698 U CN204281698 U CN 204281698U
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- pyrolysis gas
- cyclonic separator
- inner cavity
- cleaning apparatus
- cavity chamber
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 66
- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 100
- 239000002245 particle Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 23
- 239000011148 porous material Substances 0.000 claims description 5
- 239000006004 Quartz sand Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 15
- 239000011269 tar Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 210000000952 spleen Anatomy 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model discloses a kind of pyrolysis gas cleaning apparatus, this device comprises cyclonic separator (1) and filtering material particle bed (2), the filtering layer (22) that this filtering material particle bed comprises inner cavity chamber (C) and arranges around this inner cavity chamber, cyclonic separator (1) is arranged in inner cavity chamber, dust-laden pyrolysis gas by pipeline connection to the inlet mouth of cyclonic separator, after cyclonic separation process, be expelled to inner cavity chamber by the air outlet of cyclonic separator, and then discharge after filtering layer filters.In this pyrolysis gas cleaning apparatus, cyclonic separator and filtering material particle bed have been carried out integrated design, filtering material particle bed adopts radially flow pattern formula, can cyclonic separator be placed oneself in the midst of in the inner cavity chamber of grain bed, rely on filtering material particle bed to provide hot environment to cyclonic separator, avoid tar to separate out and result in blockage, integrated design also saves the floor space of cyclonic separator etc., make one-piece construction more compact and reasonable, can large-scale popularization application in suitability for industrialized production.
Description
Technical field
The utility model belongs to pyrolytic process and apparatus field, especially, relates to a kind of pyrolysis gas after-treatment device.
Background technology
For China's abundant, cheap low order broken coal resource, how to realize clean, Efficient Conversion by pyrolysis way, be a very important problem, although carried out correlative study work for many years both at home and abroad at this point, still do not have a kind of mature technology can supply to utilize so far.Wherein, the pyrolysis gas produced after pyrolysis in pyrolysis installation due to broken coal comprises the dust granules of tar and all kinds of particle diameter usually, usually needs to use distinct device to carry out dedusting step by step in follow-up pyrolysis gas dust removal process, and the floor space of plurality of devices is wide; And in dust removal process, pyrolysis gas is easily met cold solidifying, causes tar to be separated out, makes equipment block.Therefore, need to carry out isothermal holding to each cleaning apparatus, make the structure of dust-removal system and composition complexity, consume energy greatly, thus pyrolysis gas high-temperature dust removal also becomes one of Main Bottleneck of restriction broken coal pyrolytic technique industrial applications.
Utility model content
The purpose of this utility model is to provide a kind of pyrolysis gas cleaning apparatus, and compact construction, the floor space of this device are little, tar can be avoided to separate out, be easy to industrial applications.
For achieving the above object, the utility model provides a kind of pyrolysis gas cleaning apparatus, this device comprises cyclonic separator and filtering material particle bed, the filtering layer that this filtering material particle bed comprises inner cavity chamber and arranges around this inner cavity chamber, described cyclonic separator is arranged in described inner cavity chamber, dust-laden pyrolysis gas by pipeline connection to the inlet mouth of described cyclonic separator, after cyclonic separation process, be expelled to described inner cavity chamber by the air outlet of described cyclonic separator, and then discharge after filtering via described filtering layer.
Preferably, described filtering material particle bed comprises the inner core section and urceolus section that central axis vertically arranges, described filtering layer is around being arranged between described inner core section and urceolus section, described inner cavity chamber is formed in described inner core section, the barrel of described inner core section is provided with through pore, form annular space between described urceolus section and described filtering layer, described urceolus section is provided with pyrolysis gas outlet;
Wherein, described filtering material particle bed also comprises and is covered in described inner core section and the top of urceolus section and the top cover portion of bottom and base lid portion respectively, described top cover portion is provided with filter medium inlet, described base lid portion is provided with filtration medium outlet, and the filtration medium entered from described filter medium inlet is vertically discharged by exporting from described filtration medium after described top cover portion, filtering layer and base lid portion successively;
Radially discharged from described pyrolysis gas outlet through after described inner core section, filtering layer and annular space successively by the described air outlet expellant gas of described cyclonic separator.
Preferably, the described air outlet of described cyclonic separator is vertically arranged in described inner cavity chamber.
Preferably, the described inlet mouth of described cyclonic separator is connected with dust-laden pyrolysis gas pipeline, and this dust-laden pyrolysis gas pipeline passes radially through described urceolus section and filtering layer enters described inner cavity chamber.
Preferably, described cyclonic separator also comprises bottom dust outlet, and described base lid portion is also provided with corresponding dust relief outlet.
Preferably, the inner peripheral surface of described filtering layer and/or periphery are provided with supporting network.
Preferably, described inner core section is grid-like cylindrical shell.
Preferably, the thickness of described filtering layer is 100 ~ 600mm.
Preferably, the filtration medium of described filtering layer is inert solid medium, is preferably quartz sand or porcelain ball.
Preferably, the granularity of described filtration medium is 1 ~ 5mm, and temperature is 500 ~ 700 DEG C.
According to technique scheme, in pyrolysis gas cleaning apparatus of the present utility model, creatively cyclonic separator and filtering material particle bed are carried out Integrated design, filtering material particle bed adopts radially flow pattern formula, wherein be formed with inner cavity chamber, thus cyclonic separator can be placed in one, rely on filtering material particle bed to provide high-temperature work environment to cyclonic separator like this, avoid tar to separate out and result in blockage.After integrated form integrated design, save the installation of cyclonic separator and attemperator etc. thereof, save floor space, the one-piece construction more compact and reasonable of integrating device, can large-scale popularization application in suitability for industrialized production.
Other feature and advantage of the present utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the pyrolysis gas cleaning apparatus according to preferred implementation of the present utility model.
description of reference numerals
1 cyclonic separator 2 filtering material particle bed
3 top cover portion 4 base lid portion
5 dust-laden pyrolysis gas pipeline 6 supporting networks
21 inner core section 22 filtering layers
23 urceolus section A filter medium inlet
B filtration medium outlet C inner cavity chamber
D annular space E pyrolysis gas outlet
F dust relief outlet
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 used is if " upper and lower, top, the end " is normally for direction shown in the drawings, or for vertically, on vertical or gravity direction, or each parts mutual alignment relationship description word of dependency structure equipment under normal service condition; 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.
The utility model provides a kind of novel pyrolysis gas cleaning apparatus, as shown in Figure 1, this cleaning apparatus comprises cyclonic separator 1 and filtering material particle bed 2, the filtering layer 22 that this filtering material particle bed 2 comprises inner cavity chamber C and arranges around this inner cavity chamber C, cyclonic separator 1 is arranged in inner cavity chamber C, dust-laden pyrolysis gas to the inlet mouth of cyclonic separator 1, is expelled to inner cavity chamber C by the air outlet of cyclonic separator 1 by pipeline connection after cyclonic separation process, and then discharges after filtering layer 22 filters.Wherein, for avoiding the blocking of cyclonic separator 1 and energy efficient, be arranged in filtering material particle bed 2 by integrated for cyclonic separator 1, with in hot lower dedusting, thus tar can be avoided to separate out, and floor space when also saving that cyclonic separator 1 is independent to be installed, make the one-piece construction of cleaning apparatus more compact, can carry out integration dust-removing operation, efficiency of dust collection is higher, is convenient to industrial applications and popularization.
For this purpose, optimization design is targetedly carried out to filtering material particle bed 2, the structure formation of such as filtering material particle bed 2 and the flowing-path of pyrolysis gas in filtering material particle bed 2.Usually, pyrolysis gas, from a side inflow of filtering material particle bed 2, flows out from opposite side after filtration, there is not the separate chamber existed without filtering particle in filtering material particle bed 2.The utility model is to this has been improvement, as shown in Figure 1, filtering material particle bed 2 wherein have employed the grain bed of radial center flow pattern formula, which includes inner core section 21 and urceolus section 23 that central axis vertically arranges, filtering layer 22 is around being arranged between inner core section 21 and urceolus section 23, and inner cavity chamber C is formed in inner core section 21, and the barrel of inner core section 21 is provided with through pore, form annular space D between urceolus section 23 and filtering layer 22, urceolus section 23 is provided with pyrolysis gas outlet E; Wherein, filtering material particle bed 2 also comprises top cover portion 3 and the base lid portion 4 of top and the bottom being covered in inner core section 21 and urceolus section 23 respectively, and top cover portion 3 is provided with filter medium inlet A, and base lid portion 4 is provided with filtration medium outlet B.Like this, on the basis of said structure, the filtration medium entered from filter medium inlet A is vertically discharged by exporting B from filtration medium after top cover portion 3, filtering layer 22 and base lid portion 4 successively; And can radially be discharged from pyrolysis gas outlet E through after the through pore of inner core section 21, filtering layer 22 and radial ringed space D successively by the air outlet expellant gas of cyclonic separator 1.
Wherein, by design inner/outer drum structure, inner cavity chamber C can be constructed to hold cyclonic separator 1, cyclonic separator 1 can be placed wherein or be installed on the inwall of inner core section 21, also filtering layer 22 and filtration medium can be limited between inner/outer tube and around inner cavity chamber C, in conjunction with the capping of top cover portion 3 and base lid portion 4, pyrolysis gas after cyclonic separator 1 is processed just must can enter the annular space D between urceolus section 23 and filtering layer 22 after filtering layer 22 filters, and then discharged from pyrolysis gas outlet E by this radial ringed space D, to treat subsequent technique process.Top cover portion 3 and base lid portion 4 not only play airtight sealing role, especially the gangway of filtration medium and flow passage, and top cover portion 3 is docked with the filtering layer 22 in urceolus section 23, makes filtration medium continuous flow from top to bottom.Top cover portion 3 and base lid portion 4 have inside and outside shell to form the flow passage of filtration medium, and its inside and outside shell also can be one-body molded with inner core section 21, urceolus section 23.
Do not flow out from side direction for supporting filtration medium limiting filter medium, the inner peripheral surface of filtering layer 22 and/or periphery can be provided with supporting network 6.Wherein, the supporting network 6 of internal layer, when intensity is enough, also can be used as inner core section 21 and uses, or in other words, inner core section 21 also can be used as the internal layer supporting network 6 of filtering layer 22.Inner core section 21 is preferably grid-like cylindrical shell or is covered with the cylindrical shell of aperture, and to make barrel to be formed with multiple described through pore, thus the pyrolysis gas be convenient to after cyclonic separator 1 process can pass through inner core section 21.
The thickness of filtering layer 22 specifically can be determined according to parameters such as the characteristics of the flow of the pyrolysis gas of required process and filtration medium.Such as, in the present embodiment, the thickness of filtering layer 22 is preferably 100 ~ 600mm, and the minute dusts particle in the pyrolysis gas after cyclonic separator 1 can be made to process fully is filtered.For realizing filtering fully reliably, and according to the Dust Characteristics in pyrolysis gas, the preferred inert solid medium of filtration medium of the filtering layer 22 in present embodiment, such as quartz sand or porcelain ball etc.The granularity of filtration medium is preferably 1 ~ 5mm, and temperature is preferably 500 ~ 700 DEG C.So in normal operation, cyclonic separator 1 can be placed oneself in the midst of in the ambient temperature environment of 500 ~ 700 DEG C all the time, the pyrolysis gas coal-tar middle oil not easily chance cold analysis flowed through wherein is gone out, can wait until in the condensation separating unit of subsequent technique and carry out precipitation process.
The air outlet placing oneself in the midst of the cyclonic separator 1 in inner cavity chamber C is preferably vertically arranged, such as shown in Figure 1 straight up, thus avoid the specific region blowout towards inner core section 21 and filtering layer 22, pyrolysis gas that the air outlet of cyclonic separator 1 is flowed out can be made to diffuse to and to be full of inner cavity chamber C, then flow out fully to filter equably from the filtering layer 22 of surrounding.Correspondingly, as shown in Figure 1, cyclonic separator 1 also comprises bottom dust outlet, and base lid portion 4 is also provided with corresponding dust relief outlet F.The big dust particle in pyrolysis gas isolated by cyclonic separator 1, to reduce the dust removal by filtration load of filtering material particle bed 2, isolated big dust particle flows out downwards from dust outlet, be deposited in base lid portion 4, when being stacked into setting height, controlled powder process dirt relief outlet F opens, and to discharge big dust particle, is convenient to recycle or harmless treatment.
In addition, the inlet mouth of cyclonic separator 1 is also connected with dust-laden pyrolysis gas pipeline 5, the pyrolysis gas produced after this dust-laden pyrolysis gas pipeline 5 is connected to accept pyrolysis with the venting port of pyrolysis installation, dust-laden pyrolysis gas pipeline 5 enters inner cavity chamber C after passing radially through urceolus section 23 and filtering layer 22, is communicated to the inlet mouth of cyclonic separator 1.Dust-laden pyrolysis gas pipeline 5 also can play the support installation effect to cyclonic separator 1.Certainly, selectively, the intake ducting of cyclonic separator 1 also can be other path, such as, be connected with the inlet mouth of cyclonic separator 1 via after top cover portion 3 or base lid portion 4, but shorter being easier to of pipeline path shown in Fig. 1 realizes.
Visible, above-mentioned integrated thermal is vented one's spleen the simple and compact for structure of high-temperature dust removing device, make pyrolysis gas can be in hot environment all the time when dust removal process, without the need to worrying that the tar in pyrolysis gas is separated out, avoid the problems such as equipment blocking, at least eliminate the lagging facility of cyclonic separator, decrease the independent installing space of cyclonic separator.The dust removal process of such integration, intensivism is strong and efficiency of dust collection is high, and energy consumption is little, and the feature of environmental protection is good.Cleaning at the low order broken coal with wide DEVELOPMENT PROSPECT utilizes in field, and pyrolysis gas high-temperature dust removing device of the present utility model has good utilization and extention to be worth and space.
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, multiple simple variant and improvement can be carried out to the technical solution of the utility model, such as according to the characteristic of the pyrolysis gas filtered, the filtering layer arranged between inner/outer tube can be more than one deck, but the multilayer that spaced radial is arranged, to realize the filtration by different level of venting one's spleen to particular thermal, but these simple variant and improvement 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 pyrolysis gas cleaning apparatus, it is characterized in that, this device comprises cyclonic separator (1) and filtering material particle bed (2), the filtering layer (22) that this filtering material particle bed (2) comprises inner cavity chamber (C) and arranges around this inner cavity chamber (C), described cyclonic separator (1) is arranged in described inner cavity chamber (C), dust-laden pyrolysis gas by pipeline connection to the inlet mouth of described cyclonic separator (1), described inner cavity chamber (C) is expelled to by the air outlet of described cyclonic separator (1) after cyclonic separation process, and then discharge after filtering via described filtering layer (22).
2. pyrolysis gas cleaning apparatus according to claim 1, it is characterized in that, described filtering material particle bed (2) comprises the inner core section (21) and urceolus section (23) that central axis vertically arranges, described filtering layer (22) is around being arranged between described inner core section (21) and urceolus section (23), described inner cavity chamber (C) is formed in described inner core section (21), the barrel of described inner core section (21) is provided with through pore, annular space (D) is formed between described urceolus section (23) and described filtering layer (22), described urceolus section (23) is provided with pyrolysis gas outlet (E),
Wherein, described filtering material particle bed (2) also comprises and is covered in the top of described inner core section (21) and urceolus section (23) and the top cover portion (3) of bottom and base lid portion (4) respectively, described top cover portion (3) is provided with filter medium inlet (A), described base lid portion (4) is provided with filtration medium outlet (B), and the filtration medium entered from described filter medium inlet (A) is vertically discharged by exporting (B) from described filtration medium after described top cover portion (3), filtering layer (22) and base lid portion (4) successively;
Radially discharged from described pyrolysis gas outlet (E) through after described inner core section (21), filtering layer (22) and radial ringed space (D) successively by the described air outlet expellant gas of described cyclonic separator (1).
3. pyrolysis gas cleaning apparatus according to claim 2, is characterized in that, the described air outlet of described cyclonic separator (1) is vertically arranged in described inner cavity chamber (C).
4. pyrolysis gas cleaning apparatus according to claim 2, it is characterized in that, the described inlet mouth of described cyclonic separator (1) is connected with dust-laden pyrolysis gas pipeline (5), and this dust-laden pyrolysis gas pipeline (5) passes radially through described urceolus section (23) and filtering layer (22) enters described inner cavity chamber (C).
5. pyrolysis gas cleaning apparatus according to claim 2, is characterized in that, described cyclonic separator (1) also comprises bottom dust outlet, and described base lid portion (4) is also provided with corresponding dust relief outlet (F).
6. pyrolysis gas cleaning apparatus according to claim 2, is characterized in that, the inner peripheral surface of described filtering layer (22) and/or periphery are provided with supporting network (6).
7. pyrolysis gas cleaning apparatus according to claim 2, is characterized in that, described inner core section (21) is grid-like cylindrical shell.
8. pyrolysis gas cleaning apparatus according to claim 1, is characterized in that, the thickness of described filtering layer (22) is 100 ~ 600mm.
9. pyrolysis gas cleaning apparatus according to claim 1, is characterized in that, the filtration medium of described filtering layer (22) is inert solid medium.
10. pyrolysis gas cleaning apparatus according to claim 9, is characterized in that, described filtration medium is quartz sand or porcelain ball.
11. pyrolysis gas cleaning apparatuss according to claim 9, is characterized in that, the granularity of described filtration medium is 1 ~ 5mm, and temperature is 500 ~ 700 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706624.0U CN204281698U (en) | 2014-11-21 | 2014-11-21 | Pyrolysis gas cleaning apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706624.0U CN204281698U (en) | 2014-11-21 | 2014-11-21 | Pyrolysis gas cleaning apparatus |
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| Publication Number | Publication Date |
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| CN204281698U true CN204281698U (en) | 2015-04-22 |
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| CN201420706624.0U Active CN204281698U (en) | 2014-11-21 | 2014-11-21 | Pyrolysis gas cleaning apparatus |
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| CN (1) | CN204281698U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479760A (en) * | 2014-11-21 | 2015-04-01 | 神华集团有限责任公司 | Pyrolysis gas dust removal device |
| CN106147880A (en) * | 2016-07-01 | 2016-11-23 | 河南龙成煤高效技术应用有限公司 | Pyrolysis gas dedusting filter |
| WO2021168760A1 (en) * | 2020-02-27 | 2021-09-02 | 青岛理工大学 | Device and process for combined removal of dioxin and dust from waste gasification gas |
-
2014
- 2014-11-21 CN CN201420706624.0U patent/CN204281698U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479760A (en) * | 2014-11-21 | 2015-04-01 | 神华集团有限责任公司 | Pyrolysis gas dust removal device |
| CN106147880A (en) * | 2016-07-01 | 2016-11-23 | 河南龙成煤高效技术应用有限公司 | Pyrolysis gas dedusting filter |
| CN106147880B (en) * | 2016-07-01 | 2018-12-28 | 河南龙成煤高效技术应用有限公司 | Pyrolysis gas dedusting filter |
| WO2021168760A1 (en) * | 2020-02-27 | 2021-09-02 | 青岛理工大学 | Device and process for combined removal of dioxin and dust from waste gasification gas |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
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: Beijing low carbon clean energy research institute |
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| CP03 | Change of name, title or address |