CN103933839A - Gas purifying apparatus for pyrolyzed biomass fuel - Google Patents
Gas purifying apparatus for pyrolyzed biomass fuel Download PDFInfo
- Publication number
- CN103933839A CN103933839A CN201410115862.9A CN201410115862A CN103933839A CN 103933839 A CN103933839 A CN 103933839A CN 201410115862 A CN201410115862 A CN 201410115862A CN 103933839 A CN103933839 A CN 103933839A
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- CN
- China
- Prior art keywords
- chamber
- biomass fuel
- liquid level
- thermal decomposition
- cleaning plant
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002028 Biomass Substances 0.000 title claims abstract description 13
- 239000000446 fuel Substances 0.000 title claims abstract description 13
- 238000000889 atomisation Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000012670 alkaline solution Substances 0.000 claims description 10
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000746 purification Methods 0.000 abstract description 5
- 230000002378 acidificating effect Effects 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 13
- 239000003595 mist Substances 0.000 description 12
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
A disclosed gas purifying apparatus for pyrolyzed biomass fuel comprises a purification box, two separation plates are arranged in the purification box, and the internal space of the purification box is divided into a first chamber, a second chamber and a third chamber from left to right by the two separation plates; the top of the first chamber is provided with an atomization rotation nozzle; the second chamber is inside provided with a breather pipe, the other end port of the breather pipe stretches into a base solution filling the bottom of the second chamber and has a distance of 7-18 cm to the solution level; and the top of the third chamber is provided with a rotation atomization nozzle. By employing the three chambers, an acidic gas in a mixed gas can be successively purified from left to right, so that the gas purifying apparatus gives play to multiple purification effect, and is capable of relatively thoroughly completely purifying the acidic gas.
Description
Technical field
The invention belongs to gas cleaning plant technical field, relate in particular to the gas cleaning plant after a kind of biomass fuel thermal decomposition.
Background technology
At present, the high temperature mixed flue gas that the biomass fuels such as stalk, cornstalk produce after pyrolysis oven or combustion and pyrolysis is normally directly discharged in atmosphere, owing to conventionally also having some sour gas such as sulfur dioxide in mixed flue gas, and can be to environment.Therefore; conventionally can carry out purified treatment to this mixed flue gas, the method for employing adopts the mode of drip washing more, normally mist is passed in eluting column; then in tower, spray in alkaline solution and sour gas to mist, to realize the object of removing sour gas in mist.But this purification method often can not be removed the sour gas in mist completely, and conventionally will directly be discharged from after the alkaline solution drip washing mist of spray, after long-term use, find, drip washing alkaline solution later is not neutral completely, also there is certain alkalescence, therefore will cause the waste of resource.
Summary of the invention
In order to solve problems of the prior art, the object of this invention is to provide the gas cleaning plant after a kind of biomass fuel thermal decomposition, can substantially purify thoroughly the sour gas in mist.
In order to realize foregoing invention object, the present invention adopts technical scheme as described below:
Gas cleaning plant after a kind of biomass fuel thermal decomposition, comprise purifying box, in purifying box, be provided with two dividing plates, purifying box inner space is separated into from left to right the first chamber, the second chamber and the 3rd chamber by two dividing plates, the top of the first chamber is provided with atomization rotary nozzle, and the lower end of the first chamber sidewall is provided with air inlet; In the second chamber, be provided with breather pipe, breather pipe one port is communicated with the first chamber by the passage of offering on the dividing plate between the first chamber and the second chamber, another port extend into the 7-18cm place, alkaline solution liquid level below that the second cavity bottom is filled, and the top of the second chamber is provided with charge door; On dividing plate between the second chamber and the 3rd chamber, offer the through hole for being communicated with the second chamber and the 3rd chamber, the top of the 3rd chamber is provided with rotary-atomizing shower nozzle, and the lower end of the 3rd chamber sidewall is provided with gas outlet; The bottom of described the first chamber, the second chamber and the 3rd chamber all offers leakage fluid dram, leakage fluid dram is communicated with the rotary-atomizing shower nozzle of the first chamber and the 3rd chamber by connecting pipe, described connecting pipe comprises main pipeline and branch pipe(tube), leakage fluid dram is connected with main pipeline by the branch pipe(tube) with control valve on it respectively with rotary-atomizing shower nozzle, main pipeline is provided with a discharging tube with valve, is also provided with a circulating pump on described main pipeline.
Further, on the sidewall of the first chamber both sides, be installed with respectively baffle plate, and baffle plate layout interlaced with each other from top to down on two side.
Further, on the sidewall of the 3rd chamber both sides, be installed with respectively baffle plate, and baffle plate layout interlaced with each other from top to down on two side.
Further, the lateral wall of described the first chamber is provided with liquid level gauge, and liquid level gauge is positioned at the below of air inlet.
Further, the lateral wall of described the 3rd chamber is provided with liquid level gauge, and liquid level gauge is positioned at the below of gas outlet.
Further, described purifying box is square or is cylindric.
Owing to adopting technique scheme, the present invention has following superiority:
1, three chambers in purifying box can be realized and purifying the sour gas in mist successively from left to right, have played the effect that multiple tracks purifies, and can purify more thoroughly completely;
2, the alkaline solution after purifying in three chambers can be used again by connecting pipe and circulating pump, again, for the drip washing of mist in first and third chamber, avoid the wasting of resources;
3, the baffle plate of interlaced arrangement is set in first and third chamber sidewall, makes the circulation path of mist be approximate S shape, extended the clarification time, improved clean-up effect; In addition, in the first chamber, mist moves from the bottom up and fully contacts with the alkaline solution adverse current of lower spray, has further improved clean-up effect.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
In figure: 1-purifying box; 2-dividing plate; 3-baffle plate; 4-air inlet; 5-liquid level gauge; 6-discharging tube; 7-main pipeline; 8-gas outlet; 9-circulating pump; 10-rotary-atomizing shower nozzle; 11-charge door; 12-branch pipe(tube).
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described in detail.
As shown in Figure 1, gas cleaning plant after a kind of biomass fuel thermal decomposition, comprise and being square or purifying box cylindraceous 1, in purifying box 1, be provided with two dividing plates 2, purifying box inner space is separated into from left to right the first chamber, the second chamber and the 3rd chamber by two dividing plates 2, the lower end that the top of the first chamber is provided with atomization rotary nozzle 10, the first chamber sidewall is provided with air inlet 4; In the second chamber, be provided with breather pipe, breather pipe one port is communicated with the first chamber by the passage of offering on the dividing plate between the first chamber and the second chamber, another port extend into the 7-18cm place, alkaline solution liquid level below that the second cavity bottom is filled, the top of the second chamber is provided with charge door 11, for add alkaline solution in the second chamber; On dividing plate between the second chamber and the 3rd chamber, offer the through hole for being communicated with the second chamber and the 3rd chamber, the lower end that the top of the 3rd chamber is provided with rotary-atomizing shower nozzle 10, the three chamber sidewall is provided with gas outlet 8; The bottom of described the first chamber, the second chamber and the 3rd chamber all offers leakage fluid dram, leakage fluid dram is communicated with the rotary-atomizing shower nozzle 10 of the first chamber and the 3rd chamber by connecting pipe, described connecting pipe comprises main pipeline 7 and branch pipe(tube) 12, leakage fluid dram is connected with main pipeline by the branch pipe(tube) with control valve on it respectively with rotary-atomizing shower nozzle, main pipeline is provided with a discharging tube 6 with valve, is also provided with a circulating pump 9 on described main pipeline.
On the sidewall of described the first chamber, the 3rd chamber both sides, can be installed with baffle plate 3, and the baffle plate on two side is layout interlaced with each other from top to down, with regard to making the circulation path of mist be approximate serpentine, extend the clarification time like this, improved clean-up effect.
On the lateral wall of described the first chamber and the 3rd chamber, be equipped with liquid level gauge 5, liquid level gauge lays respectively at the below of air inlet and gas outlet.
When the present invention works, first mixed flue gas enters into the first chamber by air inlet and purifies for the first time, under the effect of baffle plate, being serpentine rises, by rotary-atomizing shower nozzle spray downwards alkali lye be used for and high-temperature flue gas in sour gas, then in the alkaline solution of the mixed flue gas after purifying for the first time in breather pipe enters into the second chamber, purify for the second time, mitigation gas after purifying for the second time enters in the 3rd chamber, after rotation, under the effect of atomizer, purify for the third time, finally discharged by exhaust outlet.The present invention purifies through three times, can, by thorough the acid gas purifying in mist, greatly improve clean-up effect.
Claims (5)
1. the gas cleaning plant after a biomass fuel thermal decomposition, comprise purifying box, it is characterized in that: in purifying box, be provided with two dividing plates, purifying box inner space is separated into from left to right the first chamber, the second chamber and the 3rd chamber by two dividing plates, the top of the first chamber is provided with atomization rotary nozzle, and the lower end of the first chamber sidewall is provided with air inlet; In the second chamber, be provided with breather pipe, breather pipe one port is communicated with the first chamber by the passage of offering on the dividing plate between the first chamber and the second chamber, another port extend into the 7-18cm place, alkaline solution liquid level below that the second cavity bottom is filled, and the top of the second chamber is provided with charge door; On dividing plate between the second chamber and the 3rd chamber, offer the through hole for being communicated with the second chamber and the 3rd chamber, the top of the 3rd chamber is provided with rotary-atomizing shower nozzle, and the lower end of the 3rd chamber sidewall is provided with gas outlet; The bottom of described the first chamber, the second chamber and the 3rd chamber all offers leakage fluid dram, leakage fluid dram is communicated with the rotary-atomizing shower nozzle of the first chamber and the 3rd chamber by connecting pipe, described connecting pipe comprises main pipeline and branch pipe(tube), leakage fluid dram is connected with main pipeline by the branch pipe(tube) with control valve on it respectively with rotary-atomizing shower nozzle, main pipeline is provided with a discharging tube with valve, is also provided with a circulating pump on described main pipeline.
2. the gas cleaning plant after biomass fuel thermal decomposition according to claim 1, is characterized in that: on the sidewall of the first chamber both sides, be installed with respectively baffle plate, and baffle plate layout interlaced with each other from top to down on two side.
3. the gas cleaning plant after biomass fuel thermal decomposition according to claim 1, is characterized in that: on the sidewall of the 3rd chamber both sides, be installed with respectively baffle plate, and baffle plate layout interlaced with each other from top to down on two side.
4. the gas cleaning plant after biomass fuel thermal decomposition according to claim 1, is characterized in that: the lateral wall of described the first chamber is provided with liquid level gauge, liquid level gauge is positioned at the below of air inlet.
5. the gas cleaning plant after biomass fuel thermal decomposition according to claim 1, is characterized in that: the lateral wall of described the 3rd chamber is provided with liquid level gauge, liquid level gauge is positioned at the below of gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115862.9A CN103933839A (en) | 2014-03-26 | 2014-03-26 | Gas purifying apparatus for pyrolyzed biomass fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115862.9A CN103933839A (en) | 2014-03-26 | 2014-03-26 | Gas purifying apparatus for pyrolyzed biomass fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103933839A true CN103933839A (en) | 2014-07-23 |
Family
ID=51181872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410115862.9A Withdrawn CN103933839A (en) | 2014-03-26 | 2014-03-26 | Gas purifying apparatus for pyrolyzed biomass fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103933839A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363326A (en) * | 2014-08-26 | 2016-03-02 | 洛阳弘洋机械有限公司 | Acid mist purification device applied in chrome plating process |
| CN107297129A (en) * | 2017-08-08 | 2017-10-27 | 三元控股集团杭州热电有限公司 | A kind of system for desulfuration and denitration |
| CN108731120A (en) * | 2018-06-20 | 2018-11-02 | 南京海洛阿姆生物科技有限公司 | A kind of air pollution treatment purifier |
| CN109954371A (en) * | 2017-12-26 | 2019-07-02 | 侯玮 | A kind of movable high-efficiency energy saving smoke cleaning treatment system |
| CN110115915A (en) * | 2018-02-05 | 2019-08-13 | 上海仁于仁环境科技有限公司 | Pouring-in ion cleaning equipment |
| CN113265533A (en) * | 2021-05-18 | 2021-08-17 | 东北大学 | Roasting system and method for efficiently utilizing biomass |
| CN116764381A (en) * | 2023-06-14 | 2023-09-19 | 临涣焦化股份有限公司 | CO trapping device for coke oven flue gas 2 Apparatus and method of (a) |
-
2014
- 2014-03-26 CN CN201410115862.9A patent/CN103933839A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363326A (en) * | 2014-08-26 | 2016-03-02 | 洛阳弘洋机械有限公司 | Acid mist purification device applied in chrome plating process |
| CN107297129A (en) * | 2017-08-08 | 2017-10-27 | 三元控股集团杭州热电有限公司 | A kind of system for desulfuration and denitration |
| CN107297129B (en) * | 2017-08-08 | 2019-12-17 | 三元控股集团杭州热电有限公司 | Desulfurization and denitrification system |
| CN109954371A (en) * | 2017-12-26 | 2019-07-02 | 侯玮 | A kind of movable high-efficiency energy saving smoke cleaning treatment system |
| CN110115915A (en) * | 2018-02-05 | 2019-08-13 | 上海仁于仁环境科技有限公司 | Pouring-in ion cleaning equipment |
| CN108731120A (en) * | 2018-06-20 | 2018-11-02 | 南京海洛阿姆生物科技有限公司 | A kind of air pollution treatment purifier |
| CN113265533A (en) * | 2021-05-18 | 2021-08-17 | 东北大学 | Roasting system and method for efficiently utilizing biomass |
| CN116764381A (en) * | 2023-06-14 | 2023-09-19 | 临涣焦化股份有限公司 | CO trapping device for coke oven flue gas 2 Apparatus and method of (a) |
| CN116764381B (en) * | 2023-06-14 | 2024-01-23 | 临涣焦化股份有限公司 | CO trapping device for coke oven flue gas 2 Apparatus and method of (a) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20140723 |