CN203904293U - Detarring and moisture removing purifying device - Google Patents
Detarring and moisture removing purifying device Download PDFInfo
- Publication number
- CN203904293U CN203904293U CN201420288439.4U CN201420288439U CN203904293U CN 203904293 U CN203904293 U CN 203904293U CN 201420288439 U CN201420288439 U CN 201420288439U CN 203904293 U CN203904293 U CN 203904293U
- Authority
- CN
- China
- Prior art keywords
- detar
- cyclone pipe
- purification plant
- coal gas
- cleaned device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 206010030113 Oedema Diseases 0.000 claims description 20
- 241000521257 Hydrops Species 0.000 claims description 18
- 238000011049 filling Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 18
- 238000000746 purification Methods 0.000 claims description 17
- 238000013022 venting Methods 0.000 claims description 10
- 238000011001 backwashing Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 239000003034 coal gas Substances 0.000 abstract description 43
- 239000000945 filler Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 238000001149 thermolysis Methods 0.000 abstract 1
- 239000011269 tar Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 238000000197 pyrolysis Methods 0.000 description 12
- 239000003245 coal Substances 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000010410 dusting Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Cyclones (AREA)
Abstract
The utility model provides a detarring and moisture removing purifying device. The detarring and moisture removing purifying device comprises a rotational flow pipe and a secondary purifying device communicated with the rotational flow pipe, wherein a coal gas inlet is formed in the rotational flow pipe, an air outlet is formed in the top of the rotational flow pipe, a liquid discharging hole is formed in the bottom of the rotational flow pipe, the air outlet in the top of the rotational flow pipe is communicated with the bottom of the secondary purifying device, the secondary purifying device comprises a silk screen type detarring and moisture removing layer and a filler type detarring and moisture removing layer, and a coal gas outlet is formed in the upper end of the secondary purifying device. The detarring and moisture removing purifying device has the advantages that mechanical moisture in thermolysis coal gas is removed under the centrifugal action of the rotational flow pipe, moisture and tar are removed by the silk screen type detarring and moisture removing layer while deep dust removal is carried out on the coal gas, adsorption of a filler by virtue of tar and dust is prevented, and the filler can not be blocked or corroded; filler-type detarring and moisture removing is carried out on the coal gas subjected to two-stage separation, so that the aim of deeply removing moisture in the coal gas is realized.
Description
Technical field
The utility model relates to pyrolysis coal gas field of purification, relates in particular to the degree of depth detar of the coal gas after rough dusting, detar, the device dewatering and technique.
Background technology
Coal can obtain pyrolysis coal gas through pyrolysis.The technique that current ripe coal pyrolysis is prepared blue charcoal or semicoke is mainly the internal thermal upright pyrolysis oven technique taking lump coal as raw material.Solid-state dust raw gas and part tar separation are got off through the technique such as cyclonic separation, spraying cooling from pyrolysis oven raw gas out.Typical gas purification process is to lower the temperature through multi-stage spray from upcast, bridge tube raw gas out after the obnoxious flavoures such as dedusting, de-part tar and sour gas to enter electrical tar precipitator, and the coal gas after purifying enters following process and utilizes link.This technique is more ripe, equipment is relatively simple.But have that tar decreasing ratio is low, large, the caloric power of gas of water content and quality is low, waste water generation is large, environmental benefit is poor etc. problem in coal gas.
In addition the moisture that contains 30-60% in the coal gas after rough dusting and part detar, in the follow-up use procedure of coal gas, moisture need be through gasification, and gasification heat absorption consumes a large amount of energy, has reduced calorific value and the quality of coal gas simultaneously.What coal gas was coal-tar middle oil removes, and not only meets the object of coal pyrolysis acquisition tar, is conducive to the following process utilization of coal gas simultaneously, and entirety realizes the sub-prime staged conversion utilization of coal pyrolysis gas and pyrolysis oil.Existing process using mechanical process dewaters and has the problems such as dehydration rate is not high, equipment corrosion large, regeneration is difficult; Condensation method dewater expense high, be unfavorable for energy-saving and emission-reduction.
Utility model content
The utility model is in order to solve the problem existing in above-mentioned pyrolysis gas purification, the device and the technique that provide a kind of coal gas detar to dewater.Detar and dewatering completes in a device, improves separation efficiency, when reducing energy consumption, save floor occupying area, equipment regeneration easily.
The technical scheme that the utility model adopts:
A kind of detar is except water-purification plant, the secondary-cleaned device that this detar comprises cyclone pipe and is communicated with cyclone pipe except water-purification plant, this cyclone pipe is provided with gas entry, the top of this cyclone pipe is provided with venting port, the bottom of this cyclone pipe is provided with leakage fluid dram, the venting port at described cyclone pipe top is connected with the bottom of secondary-cleaned device, described secondary-cleaned device comprises that screen type detar removes water layer and material filling type detar removes water layer, and the upper end of described secondary-cleaned device is provided with gas exit.
In described secondary-cleaned device, described screen type detar removes water layer and is positioned at lower floor, and described material filling type detar removes water layer and is positioned at upper strata.
Described gas exit is positioned at material filling type detar except water layer.
The venting port of described cyclone pipe is communicated with the bottom of secondary-cleaned device by downtake.
Described downtake is vertical pipe.
The caliber of described cyclone pipe top and bottom is equal, and is greater than middle caliber, is upper and lower two funnel shapeds.
In described secondary-cleaned device, described screen type detar removes water layer and material filling type detar has white space except between water layer, has manhole in the arranged outside of this white space.
Described cyclone pipe is concordant with the bottom of secondary-cleaned device.
The bottom of described cyclone pipe and secondary-cleaned device is provided with hydrops plate, and hydrops plate below is provided with hydrops groove, on described hydrops plate, is provided with bleed valve, and the liquid of described hydrops plate superjacent air space enters in hydrops groove by bleed valve.
The top of described secondary-cleaned device is provided with back-washing valve.
Compared with prior art, the utility model at least has following beneficial effect: dewater with machinery, compared with condensation method dewaters, to be that eddy flow dewaters, screen type detar dewaters and material filling type detar dewaters combine the utility model.The mechanical water in coal gas is removed in the effect of pyrolysis coal gas process cyclone pipe centrifugal force etc., and screen type detar dewaters in removing moisture and tar, can carry out degree of depth dedusting to coal gas, prevents the absorption to filler of tar and dust, and stops up or corrosion filler.Coal gas after two-stage separates dewaters through material filling type detar, reaches the object that the coal gas degree of depth dewaters.The utility model effectively removes tar and the water in coal gas, improving in caloric power of gas, reduces processing again of follow-up coal gas processing and utilization process, and the coal gas after removing tar reduces the corrosion to equipment etc., and the tar under catching enters tar processing links.
Brief description of the drawings
Fig. 1 is the schematic diagram of coal gas detar de-watering apparatus of the present utility model.
In figure, 1-gas entry, 2-cyclone pipe, the detar of 3-screen type is except water layer, 4-bleed valve, 5-gas exit, the detar of 6-material filling type is except water layer, 7-manhole, 8-hydrops plate, 9-hydrops groove, 10-liquid releasing valve, 11-back-washing valve, 12-downtake, 13-leakage fluid dram, 14-venting port
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.
As shown in Figure 1, the utility model provides a kind of pyrolyzing coal qi exhaustion tar de-watering apparatus, the secondary-cleaned device that this coal gas detar de-watering apparatus comprises cyclone pipe 2 and is communicated with cyclone pipe 2, and this cyclone pipe 2 is provided with gas entry 1 and gas exit 5.The core component of this pyrolyzing coal qi exhaustion tar de-watering apparatus comprises that cyclone pipe 2, screen type detar are except water layer 3, material filling type detar are except water layer 6.Cyclone pipe 2 bottoms are provided with leakage fluid dram 13, and top is provided with venting port 14.Coal gas detar de-watering apparatus is also provided with bleed valve 4 and the hydrops groove 9 of downtake 12, hydrops plate 8, liquid.Coal gas detar de-watering apparatus top is provided with back-washing valve 11, and coal gas detar de-watering apparatus bottom is provided with liquid releasing valve 10.On coal gas detar de-watering apparatus, manhole 7 is set.
Specifically, described screen type detar is arranged in secondary-cleaned device except water layer 6 except water layer 3 and material filling type detar, more particularly, described screen type detar removes water layer 3 and is positioned at lower floor, described material filling type detar removes water layer 6 and is positioned at upper strata, the venting port 14 of described cyclone pipe 2 removes water layer by downtake 12 and screen type detar and is communicated with, and described downtake is vertical pipe.Described screen type detar removes water layer 3 and material filling type detar has white space except between water layer 6, and described manhole 7 is arranged on this white space outside, and described gas exit 5 is positioned at material filling type detar except water layer 6.
The caliber of described cyclone pipe 2 top and bottom is equal, and is greater than middle caliber, is upper and lower two funnel shapeds.Described cyclone pipe is concordant with the bottom of secondary-cleaned device.
Pyrolysis coal gas after rough dusting and detar tangentially enters the cyclone pipe 2 of coal gas detar de-watering apparatus through gas entry 1, at the interior high speed rotating of cyclone pipe 2, produce centrifuge field, under centrifugal action, most of mechanical water and part tar in coal gas are thrown toward surrounding, and after leakage fluid dram 13 is discharged, enter hydrops groove 9 by hydrops plate 8 downwards along wall; Coal gas rotation upwards enters downtake 12 after venting port 14 is discharged, downtake bottom and screen type detar have many places small spaces except between water layer 3, coal gas enters screen type detar except water layer 3 through small spaces, further remove saturation water and tar in coal gas, can carry out degree of depth dedusting to coal gas simultaneously.Material filling type detar removes water layer 6 and further removes a small amount of moisture and the tar in coal gas.Coal gas after detar dewaters is discharged through gas exit 5, carries out following process utilization.The tar removing and moisture enter hydrops groove 9 through hydrops plate 8 and bleed valve 4, are finally discharged by liquid releasing valve 10.
Device moves to while needing backwash, opens back-washing valve 11, and screen type detar is carried out to back flushing except water layer 6 except water layer 3 and material filling type detar.
The utility model has two coal gas detar de-watering apparatus at least, and one opens one standbyly, ensures the continuous and steady operation of system.In addition according to the running condition of Import Gas composition, the different purposes demands of product coal gas and coal gas detar de-watering apparatus, many series connection can be used.
Claims (10)
1. a detar is except water-purification plant, it is characterized in that: the secondary-cleaned device that this detar comprises cyclone pipe (2) and is communicated with cyclone pipe (2) except water-purification plant, this cyclone pipe (2) is provided with gas entry (1), the top of this cyclone pipe (2) is provided with venting port (14), the bottom of this cyclone pipe is provided with leakage fluid dram (13), the venting port (14) at described cyclone pipe top is connected with the bottom of secondary-cleaned device, described secondary-cleaned device comprises that screen type detar removes water layer and material filling type detar removes water layer, the upper end of described secondary-cleaned device is provided with gas exit (5).
2. a kind of detar according to claim 1, except water-purification plant, is characterized in that: in described secondary-cleaned device, described screen type detar removes water layer and is positioned at lower floor, and described material filling type detar removes water layer and is positioned at upper strata.
3. a kind of detar according to claim 1 and 2, except water-purification plant, is characterized in that: described gas exit is positioned at material filling type detar except water layer.
4. a kind of detar according to claim 1, except water-purification plant, is characterized in that: the venting port of described cyclone pipe is communicated with the bottom of secondary-cleaned device by downtake.
5. a kind of detar according to claim 4, except water-purification plant, is characterized in that: described downtake is vertical pipe.
6. a kind of detar according to claim 1, except water-purification plant, is characterized in that: the caliber of described cyclone pipe top and bottom is equal, and is greater than middle caliber, is upper and lower two funnel shapeds.
7. a kind of detar according to claim 1 is except water-purification plant, it is characterized in that: in described secondary-cleaned device, described screen type detar removes water layer and material filling type detar has white space except between water layer, has manhole (7) in the arranged outside of this white space.
8. a kind of detar according to claim 1, except water-purification plant, is characterized in that: described cyclone pipe is concordant with the bottom of secondary-cleaned device.
9. remove water-purification plant according to a kind of detar described in claim 1 or 8, it is characterized in that: the bottom of described cyclone pipe and secondary-cleaned device is provided with hydrops plate (8), hydrops plate below is provided with hydrops groove (9), on described hydrops plate, be provided with bleed valve (4), the liquid of described hydrops plate superjacent air space enters in hydrops groove (9) by bleed valve.
10. a kind of detar according to claim 1, except water-purification plant, is characterized in that: the top of described secondary-cleaned device is provided with back-washing valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288439.4U CN203904293U (en) | 2014-05-30 | 2014-05-30 | Detarring and moisture removing purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288439.4U CN203904293U (en) | 2014-05-30 | 2014-05-30 | Detarring and moisture removing purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203904293U true CN203904293U (en) | 2014-10-29 |
Family
ID=51778584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420288439.4U Expired - Lifetime CN203904293U (en) | 2014-05-30 | 2014-05-30 | Detarring and moisture removing purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203904293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104927884A (en) * | 2015-05-26 | 2015-09-23 | 张文虎 | Apparatus for producing combustible gas by catalytically pyrolyzing refuse and method thereof |
-
2014
- 2014-05-30 CN CN201420288439.4U patent/CN203904293U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104927884A (en) * | 2015-05-26 | 2015-09-23 | 张文虎 | Apparatus for producing combustible gas by catalytically pyrolyzing refuse and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |