CN102794163A - Thermal regeneration furnace for waste powdered activated carbon - Google Patents
Thermal regeneration furnace for waste powdered activated carbon Download PDFInfo
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- CN102794163A CN102794163A CN2011101347665A CN201110134766A CN102794163A CN 102794163 A CN102794163 A CN 102794163A CN 2011101347665 A CN2011101347665 A CN 2011101347665A CN 201110134766 A CN201110134766 A CN 201110134766A CN 102794163 A CN102794163 A CN 102794163A
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Abstract
The invention relates to a thermal regeneration furnace for waste powdered activated carbon, and belongs to the technical field of chemical industry. The thermal regeneration furnace is used for the thermal regeneration (100 to 850 DEG C) of waste powdered activated carbon obtained by refining and decolorizing medicines and fine chemicals. The thermal regeneration furnace is formed by serially connecting a plurality of dry distillation trays and activation trays, which are provided with rotary stirrers, wherein the dry distillation trays are vertically arranged on the activation trays; and waste powdered carbon is continuously and quantificationally added, indirect heating is adopted for dry distillation, the activation is that high-temperature activation gas is generated by using water gas generated in the thermal regeneration process and an oxygen-enriched combustion improver, and over-heated water vapor is doped and taken as activation gas for direct contact activation, organic matter in the waste carbon can be completely decomposed and removed through dry distillation and activation in an innocent manner, the waste powdered carbon can be generated, and the original adsorption performance and the original adsorption indexes are restored. The thermal regeneration of the waste powdered carbon is a most effective technical means for realizing the cyclic utilization of industrial waste powdered carbon, environmental pollution caused by inappropriately disposing the waste powdered carbon which is taken as garbage, and also ensures that powdered carbon resources are recycled; and the thermal regeneration also has a relatively high economic benefit.
Description
Affiliated technical field
The present invention relates to the hot regenerating furnace of a kind of wasted powder active carbon, belong to chemical industry technical equipment field, the wasted powder active carbon heat regeneration behind confession decolorizing and refining medicine and the fine chemical product is used.
Background technology
For a long time, various Powdered Activated Carbons are all done disposable application, and the wasted powder active carbon behind decolorizing and refining medicine and the fine chemical product, or landfill or work as rubbish or make fuel substitute all bring the serious environmental pollution to society.Powdered Activated Carbon is the same with granular activated carbon can both to make the innoxious decomposition of adsorbed organic matter through heat regeneration, and the regeneration Powdered Activated Carbon can both return to the same absorption property of new Powdered Activated Carbon and each item index through pickling and washing.China's industrial wasted powder active carbon of many ten thousand tons in every year has all become refuse, does not only give recycling utilization, returns society and brings pollution.The raw material of Powdered Activated Carbon is timber or wood chip, and one ton of Powdered Activated Carbon will consume 5~10 tons of timber, and Powdered Activated Carbon is done disposable use, is actually wasting natural products, and is destroying greening and waste resource, seriously runs counter to the rule of recycling economy.
Summary of the invention
Treat the extremely improper situation of putting of conducting oneself well of wasted powder active carbon over a long time in order to overcome; The present invention provides a kind of wasted powder active carbon hot regenerating furnace; The organic matter that utilizes this regenerating furnace to make to be adsorbed in the wasted powder active carbon carries out 100~500 ℃ of orderly destructive distillation; Desorb and thermal decomposition organic matter; Then at 500~850 ℃ be under the condition of oxidant with the superheated vapour, remain in the organic matter carbon residue water-gas removal in the wasted powder active carbon after will passing through destructive distillation, the Powdered Activated Carbon of removing behind organic matter and the organic matter carbon residue just obtains activation and regeneration.
The technical scheme that the present invention adopted is: destructive distillation cylindrical shell, destructive distillation tower tray agitator, the band combustion gas that it is imported and exported by rotation shaft, driving machine, the useless burgy of band imports and exports and the destructive distillation tower tray of combustion gas heating clamber, band activation gas is imported and exported and the destructive distillation burgy is imported and exported activation cylindrical shell and activation tower tray etc. constitute.Be characterized in: the hot regenerating furnace of wasted powder active carbon divides two sections; The retort section that leading portion is served as reasons and is with useless burgy destructive distillation cylindrical shell of importing and exporting and the polylith destructive distillation tower tray of being with combustion gas import and export and combustion gas heating clamber to be cascaded; Back segment is then served as reasons, and band activation gas is imported and exported and the activation cylindrical shell of destructive distillation burgy import and export; With the activation section that polylith activation tower tray is cascaded, retort section vertically places on the activation section, a shared rotation shaft; All establish agitator on the rotation shaft of each tower tray, all establish rotating shaft material envelope between rotation shaft and the tower tray; The retort section of advancing dry wasted powder active carbon continuous and quantitative goes up the useless burgy of destructive distillation cylindrical shell most and imports and exports; Useless then burgy is imported and exported the series connection overflow through another useless burgy of offside and is gone into next destructive distillation cylindrical shell until minimum destructive distillation tower tray under the stirring of heating and destructive distillation tower tray agitator; The combustion gas of heat is imported and exported into the combustion gas heating clamber from the combustion gas of minimum destructive distillation tower tray one side of retort section; The combustion gas heating clamber of importing and exporting each destructive distillation tower tray of series connection heating upwards by another combustion gas of offside is again gone up a combustion gas most up to retort section and is imported and exported and discharge, and the combustion gas temperature is risen progressively from 100 ℃ to 500 ℃ with the temperature of tolerance maintenance wasted powder active carbon from top to bottom; The destructive distillation burgy is gone into activation section by the retort section overflow; The destructive distillation burgy is imported and exported entering through the destructive distillation burgy of going up most on the activation cylindrical shell; Import and export the series connection overflow by another destructive distillation burgy of offside then and discharge the Powdered Activated Carbon of regeneration activating until minimum activation cylindrical shell to next activation cylindrical shell; High-temperature activation gas is imported and exported by the activation gas of minimum activation cylindrical shell one side and is got into; Directly with under agitation high-temperature destructive distillation burgy contact activation; Import and export series connection through another activation gas of offside then and get into a last activation cylindrical shell up to the highest activation gas import and export discharge of activation section, the activation section temperature is risen progressively from top to bottom, and the temperature of each section can be regulated through the Rich Oxygen Amount that adds.
All establish thermograde between the retort section of the hot regenerating furnace of wasted powder active carbon of the present invention and each tower tray of activation section; Make organic matter evaporation and the desorb as far as possible in retort section that is adsorbed in the wasted powder active carbon; Make the organic matter thermal cracking produce the organic matter carbon residue to the greatest extent less; In order to avoid increase the load of activation section, the tail gas that retort section is discharged contains organic matter, can be used as the fuel utilization of fuel gas and burns but.The organic carbon residue amount in the wasted powder active carbon determines in the activation section by getting into for the temperature of activation section activation and the amount of overheated steam, and the tail gas that activation section is discharged is high concentration water's coal gas, but the net quantity of heat of heat supply regeneration is had a surplus.Adopt oxygen enrichment to make combustion adjuvant; Can reduce amount of inert gas in the activated gas and air velocity in the activation section to greatest extent; Carried secretly by thermal current and discharge and cause damage in order to avoid cause light and thin Powdered Activated Carbon, oxygen enrichment is made the temperature that combustion adjuvant also helps improving activation section.
Description of drawings
Fig. 1 is the hot regenerating furnace structure chart of wasted powder active carbon;
Fig. 2 is hot regenerating furnace retort section tower plate structure figure;
Fig. 3 is the A-A profile of Fig. 2;
Fig. 4 is hot regenerating furnace activation section tower plate structure figure;
Fig. 5 is the B-B profile of Fig. 4.
The specific embodiment
The embodiment of the invention combines accompanying drawing to be described further; As shown in Figure 1, it comprises the hot regenerating furnace of wasted powder active carbon by rotation shaft (1), driving machine (2), the destructive distillation cylindrical shell (4) of being with useless burgy import and export (9), destructive distillation tower tray agitator (7), is with combustion gas to import and export the destructive distillation tower tray (6) of (10) and combustion gas heating clamber (11), is with activation gas to import and export activation cylindrical shell (15), activation tower tray agitator (14) and the activation tower tray formations such as (18) of (13) and destructive distillation burgy import and export (19).Be characterized in: the retort section that the destructive distillation tower tray (6) of polylith belt stirrer (7) and destructive distillation cylindrical shell (4) constitute; Vertically place on the activation section that constitutes by the activation tower tray (18) of polylith belt stirrer (14) and activation cylindrical shell (15); Two sections shared rotation shafts (1); Driving machine (2) driven in rotation shaft (1) drives agitator (7,14) rotation; Dry wasted powder active carbon continuous and quantitative advances the useless burgy import and export (9) that retort section goes up destructive distillation cylindrical shell (4) most; Pass through another import and export of offside (9) series connection overflow then and go into next destructive distillation cylindrical shell (4) until minimum destructive distillation tower tray (6); Combustion gas is imported and exported (10) through the combustion gas of the minimum destructive distillation tower tray of retort section (6) and is got into combustion gas heating clamber (11), is gone into the combustion gas heating clamber (11) of lastblock destructive distillation tower tray (6) again by another combustion gas import and export (10) series connection of offside and discharges until the combustion gas import and export (10) of going up most; Wasted powder active carbon through destructive distillation is gone into the destructive distillation burgy feed inlet and outlet (19) that activation section is gone up activation cylindrical shell (15) most by the retort section overflow; Import and export (19) series connection overflow by another destructive distillation burgy of offside then and go into next activation cylindrical shell (15) until minimum destructive distillation burgy import and export (19) discharge; Activation gas is is then imported and exported (13) by minimum activation cylindrical shell (15) the one side activation gas of activation section and is got into, then through another activation gas of offside import and export (13) series connection and on go into another activation cylindrical shell (15) the highest activation gas in activation section and import and export (13) and discharge.
Like Fig. 2; Shown in 3; Destructive distillation tower tray (6) is imported and exported (10) and dry distillation tower girth sheets (21) formation of trying to get to the heart of a matter by spiral rotating shaft material envelope (8), combustion gas heating clamber (11), combustion gas of band dry distillation tower biscuit envelope (5), dry distillation tower; The dry distillation tower rotating shaft material sealing cover (20) that spirals is fixed in rotation shaft (1); Powder material envelope (3) and the powder material envelope (5) on the destructive distillation tower tray (6) on the destructive distillation cylindrical shell (4) supply the foundation ring plate of destructive distillation cylindrical shell (4) lower end and foundation ring plate (21) socket joint of destructive distillation tower tray (6) to fix, the equal filling iron powder of each material envelope.
Like Fig. 4; Shown in 5; Activation tower tray (18) is made up of activation tower tray rotating shaft material envelope (17), activation tower tray material envelope (16), activation tower tray foundation ring plate (23); Activation cylindrical shell (15) imports and exports (13) by activation cylindrical shell material envelope (12), activation gas and the destructive distillation burgy is imported and exported (19) formation; Activation tower tray rotating shaft material sealing cover (22) is fixed on and revolves on the stirring shaft (1), and the powder material envelope (12) on the activation cylindrical shell (15) and the powder material envelope (16) of activation tower tray (18) supply the foundation ring plate of activation cylindrical shell (15) lower end and foundation ring plate (23) socket joint of activation tower tray (18) to fix, the equal filling iron powder of each material envelope.
Claims (3)
1. hot regenerating furnace of wasted powder active carbon; It is made up of the destructive distillation tower tray (6) of the destructive distillation cylindrical shell (4) that rotates shaft (1), driving machine (2), the useless burgy import and export of band (9), destructive distillation tower tray agitator (7), band combustion gas import and export (10) and combustion gas heating clamber (11), activation cylindrical shell (15), activation tower tray agitator (14) and the activation tower tray (18) that band activation gas is imported and exported (13) and destructive distillation burgy import and export (19); It is characterized in that: the retort section that the destructive distillation tower tray (6) of polylith belt stirrer (7) and destructive distillation cylindrical shell (4) constitute; Vertically place on the activation section that constitutes by the activation tower tray (18) of polylith belt stirrer (14) and activation cylindrical shell (15); Two sections shared rotation shafts (1); Driving machine (2) driven in rotation shaft (1) drives agitator (7,14) rotation; Dry wasted powder active carbon continuous and quantitative advances the useless burgy import and export (9) that retort section goes up destructive distillation cylindrical shell (4) most; Pass through another import and export (9) series connection overflow of offside then and go into next destructive distillation cylindrical shell (4) until minimum destructive distillation tower tray (6); Combustion gas is imported and exported (10) through the combustion gas of a minimum destructive distillation tower tray (6) and is got into combustion gas heating clamber (11), imports and exports (10) series connection and the combustion gas heating clamber (11) of going into lastblock destructive distillation tower tray (6) is imported and exported (10) until the combustion gas that goes up most and discharged through another combustion gas of offside then; Cross the wasted powder active carbon through destructive distillation and go into the destructive distillation burgy import and export (19) that activation section is gone up activation cylindrical shell (15) most by the retort section overflow; Import and export (19) series connection overflow by another destructive distillation burgy of offside then and go into next activation cylindrical shell (15) until minimum destructive distillation burgy import and export (19) discharge; Activation gas is then got into by the activation gas import and export (13) of minimum activation cylindrical shell (15) one sides of activation section, imports and exports (13) series connection and goes into a last activation cylindrical shell (15) up to the highest activation gas import and export (13) discharge of activation section through another activation gas of offside then.
2. according to the hot regenerating furnace of the said wasted powder active carbon of claim 1; It is characterized in that the destructive distillation tower tray imports and exports (10) and dry distillation tower girth sheets (21) formation of trying to get to the heart of a matter by spiral rotating shaft material envelope (8), combustion gas heating clamber (11), combustion gas of band dry distillation tower biscuit envelope (5), dry distillation tower; The dry distillation tower rotating shaft material sealing cover (20) that spirals is fixed in rotation shaft (1); Powder material envelope (3) and the powder material envelope (5) on the destructive distillation tower tray (6) on the destructive distillation cylindrical shell (4) supply foundation ring plate (21) socket joint of destructive distillation cylindrical shell (4) foundation ring, lower end plate and destructive distillation tower tray (6) to fix, and the material closure material adopts iron powder.
3. according to the hot regenerating furnace of the said wasted powder active carbon of claim 1; It is characterized in that activation tower tray (18) is made up of activation tower tray rotating shaft material envelope (17), activation tower tray material envelope (16), activation tower tray foundation ring plate (23); Activation cylindrical shell (15) imports and exports (13) by activation cylindrical shell material envelope (12), activation gas and the destructive distillation burgy is imported and exported (19) formation; Activation tower tray rotating shaft material sealing cover (22) is fixed on the rotation shaft (1); The powder material envelope (12) on the activation cylindrical shell (15) and the powder material envelope (16) of activation tower tray (18) supply the foundation ring plate of activation cylindrical shell (15) lower end and foundation ring plate (23) socket joint of activation tower tray (18) to fix, and the material closure material adopts iron powder.
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CN2011101347665A CN102794163A (en) | 2011-05-24 | 2011-05-24 | Thermal regeneration furnace for waste powdered activated carbon |
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CN2011101347665A CN102794163A (en) | 2011-05-24 | 2011-05-24 | Thermal regeneration furnace for waste powdered activated carbon |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104248946A (en) * | 2013-06-26 | 2014-12-31 | 沈善明 | Granular active carbon energy saving regeneration furnace |
CN104289211A (en) * | 2013-06-17 | 2015-01-21 | 沈善明 | Horizontal-stirring waste powdered activated carbon regeneration furnace |
CN105293743A (en) * | 2015-12-04 | 2016-02-03 | 湖北君集水处理有限公司 | Method for performing water purification plant advanced treatment by using submerged ultrafiltration membrane |
CN106000369B (en) * | 2014-06-11 | 2018-03-06 | 福建省鑫森炭业股份有限公司 | A kind of active carbon regenerating unit with overheating steam heater |
JP2019064886A (en) * | 2017-10-04 | 2019-04-25 | 株式会社Kri | Method and system for recovering carbon-containing material |
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JPS5761609A (en) * | 1980-09-26 | 1982-04-14 | Kuraray Chem Kk | Upright mobile layer type reactor for carbon material |
EP0913360A1 (en) * | 1997-09-23 | 1999-05-06 | Chien-Lang Teng | Intermittent continuous method for recovering refined activated carbon from waste tyres and the like and the device therefor |
CN1817446A (en) * | 2006-01-16 | 2006-08-16 | 史鱼海 | Movable sulfurization active carbon heating regenerator and regeneration |
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2011
- 2011-05-24 CN CN2011101347665A patent/CN102794163A/en active Pending
Patent Citations (5)
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JPS5761609A (en) * | 1980-09-26 | 1982-04-14 | Kuraray Chem Kk | Upright mobile layer type reactor for carbon material |
EP0913360A1 (en) * | 1997-09-23 | 1999-05-06 | Chien-Lang Teng | Intermittent continuous method for recovering refined activated carbon from waste tyres and the like and the device therefor |
CN1817446A (en) * | 2006-01-16 | 2006-08-16 | 史鱼海 | Movable sulfurization active carbon heating regenerator and regeneration |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104289211A (en) * | 2013-06-17 | 2015-01-21 | 沈善明 | Horizontal-stirring waste powdered activated carbon regeneration furnace |
CN104248946A (en) * | 2013-06-26 | 2014-12-31 | 沈善明 | Granular active carbon energy saving regeneration furnace |
CN106000369B (en) * | 2014-06-11 | 2018-03-06 | 福建省鑫森炭业股份有限公司 | A kind of active carbon regenerating unit with overheating steam heater |
CN105293743A (en) * | 2015-12-04 | 2016-02-03 | 湖北君集水处理有限公司 | Method for performing water purification plant advanced treatment by using submerged ultrafiltration membrane |
JP2019064886A (en) * | 2017-10-04 | 2019-04-25 | 株式会社Kri | Method and system for recovering carbon-containing material |
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Application publication date: 20121128 |