CN1077934A - The activation furnace of producing activated carbon by chemical method and working method - Google Patents
The activation furnace of producing activated carbon by chemical method and working method Download PDFInfo
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- CN1077934A CN1077934A CN92103113A CN92103113A CN1077934A CN 1077934 A CN1077934 A CN 1077934A CN 92103113 A CN92103113 A CN 92103113A CN 92103113 A CN92103113 A CN 92103113A CN 1077934 A CN1077934 A CN 1077934A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
Abstract
The invention discloses a kind of activation furnace and working method thereof of chemical activation preparing active carbon.Activation furnace is apart from one another by the overlapping vertical activation furnace that forms by heating chamber and activating chamber.Material in the activating chamber is subjected to chamber bottom plate thermal conduction and the bed board far infrared radiation of top, chamber two-sided heating and rake teeth formula agitator continuously stirring up and down.Two-way waste gas condenser system is set up at the activation furnace top, is respectively applied for the mixed gas that activator volatile matter and water vapor or water vapor and burning gas are reclaimed in condensation.Equipment is for working continuously, and wood chip is all fine with caramel colour, the Yamamoto Methylene Blue ZF decolorizing ability of the gac that zinc chloride, phosphoric acid activation agent make after activating, and production process is not polluted, and heat energy and activator consumption are very low.
Description
The present invention makes gac for wood chip with the activation of chemical activating agents such as zinc chloride, phosphoric acid a kind of novel activation furnace and working method are provided.
On industrial production, the activation furnace that wood chip is made gac with the activation of activators such as zinc chloride, phosphoric acid all is rotary kiln and flattening oven.In rotary kiln, the burning gas direct heating of material with its adverse current, activator decomposes easily, gasifies, and consumes height, and serious environment pollution.Flattening oven is built into by refractory brick, and with burning gas indirect heating material, thermo-efficiency is very low, and fuel consumption is very big; Periodical operation, thermal material is come out of the stove, and cold (wetting) material advances stove, and temperature is fluctuated, and refractory brick is easy to cracked; Material is stirred, is stirred by manual, and labour intensity is very big.The multiscrew charring furnace that active carbon by chemical method is used (Chinese utility model application 88221216.8), material is by top radiation infrared unilateral heating in the stove, and body of heater is a cooling surface below the material, production efficiency is on the low side.Problems such as closed inside and outside also multilayer carbon-activating furnace heated from both (application for a patent for invention CN88100831A) is the manual double-deck horizontal carbon activation furnace that stirs, and does not have the waste gas condensate recovery system, still has periodical operation, and labour intensity is big, seriously polluted.
We studies show that, when wood chip activates with chemical activating agents such as zinc chloride, phosphoric acid, the wood chip of penetration activator solution, required heat accounts for more than 87% of the required total heat of whole charcoal reactivation process in heat drying, plasticizing and carbonization process, only accounts for below 13% of required total heat and activate required heat at last.
According to above-mentioned chemical activation, the required heat of wood chip heat drying, plasticizing, carbonization process is many, and the characteristics that the required heat of reactivation process is economized very much, draw rotary kiln burning gas direct heating material, the thermo-efficiency height, add material with flattening oven indirectly with burning gas, it is low that activator consumes, the experience that quality of activated carbon is good and invention this patent active carbon by chemical method activation furnace and working method thereof.
The objective of the invention is to make gac with the chemical activating agent activation a kind of novel activation furnace and working method are provided for wood chip.Reactivation process is realized the serialization operation, the pollution of preparing activated char by chemical method is controlled among the reactivation process.The consumption of activator, fuel is reduced to minimum level.Produce all good active charcoals of caramel colour decolouring and Yamamoto Methylene Blue ZF decolorizing ability.
Activation furnace provided by the invention is that heating chamber and activating chamber are apart from one another by the dead front type activation furnace that is overlapped into multistage.Adjacent 2 heating chambers are linked up by the burning gas passage, and adjacent 2 activating chamber are linked up by tremie pipe.Be provided with rake teeth formula agitator in the stove.
The present invention simultaneously provides the working method of making gac with regard to this equipment.Material self-activation furnace roof portion adds upper strata activating chamber, is subjected to stirring of rake teeth formula agitator, and S-shaped from top to bottom route successively falls, and activating chamber draws off gac from the furnace bottom layer.The burning gas that produces in the combustion chamber internal combustion enters lower floor's heating chamber from furnace bottom, and S-shaped from bottom to top route rises and successively passes through each layer heating chamber, emits from furnace roof layer heating chamber.The heat that burning gas is contained, the furnace bed board far infrared radiation on the thermal conduction of the furnace bed board by activating chamber and activating chamber top, or burning gas crosses material direct-fired upper and lower 2 heat-activated chambers from the material table surface current, makes material finish drying, plasticizing, charing and activatory process.
For the ease of understanding the present invention, be described below with reference to accompanying drawing:
Fig. 1 activation equipment schema
Fig. 2 activation furnace B-B longitudinal diagram
Fig. 3 activation furnace C-C longitudinal diagram
Fig. 4 activation furnace A-A drawing in side sectional elevation
Fig. 5 S valve is controlled the schematic diagram of bed thickness and blanking automatically
With reference to accompanying drawing narration active carbon by chemical method activation equipment, flow process and method of operating.
Activation furnace is by housing (4), and combustion chamber (2,3,22,25,33,37,38), mechanical agitation system (7,16,17) and 4 of gas recovery systems (8,9,10,11,12,13,14) partly form. Furnace shell (4) is made of furnace wall (29), furnace bottom (40), furnace roof (41). Furnace wall (29) exceptionally, in, interior 3 layers, skin is the steel plate of 8-16 millimeter, the middle level is thermal insulation layer, internal layer is The high-alumina refractory brick of heat-proof corrosion resistant erosion is built into. Furnace bottom (40) is made of steel plate, refractory brick, thermal insulation layer, and frame is set up closed discharge device (connecting the water seal tank) and is connected 1 with the combustion chamber on steel column) (connecting the 1st heating clamber). Furnace roof (41) is made of steel plate, thermal insulation layer, refractory brick, establishes charging aperture (6), connecting sealed formula screw feeder (5) (being driven by buncher) and wood chip feed bin, dispenser.
Combustion chamber is by furnace bed board A(37), furnace bed board B(38) activating chamber (3) and the heating clamber (2) that consist of form apart from one another by overlapping, its order from bottom to top odd number chamber is that heating clamber (2), even number chamber are activating chamber (3). The bottom plate A(of activating chamber is the heating clamber top board) (37) are by salic fire resistant materials, or by lower half storey heatproof alloy cast iron (steel), the heat-proof corrosion resistant corrosion materials such as upper half storey lining stone China ink or high alumina concrete consist of Compound mattress. The top bed board B(of activating chamber is the heating clamber base plate) (38) be high alumina refractories or carborundum, heatproof alloy cast iron (steel), downward surperficial undulate, and be coated with far infrared radiation coating, and be provided with many rib wings to upper surface, improve heat transfer efficiency. The limit wall of activating chamber (being furnace shell) (4) is provided with the installing port of manhole, peep-hole, thermometer (26,27) and level-sensing device (20). The core wall of heating clamber (2) is garden cylindrical shell (22), heating clamber (2) and central rotating shaft (7) isolation, limit wall (being furnace shell) is provided with combustion gas import (21), combustion gas outlet (19,36), combustion gas passage (18,34), manhole, ash removing opening, burner (39) (connecting gas pipe M and airduct F), thermometer (thermocouple). Upper all manholes of activating chamber (3) and heating clamber (2), ash removing opening, peep-hole, thermometer and level-sensing device installing port all seal air tight. 2 heating clambers are linked up by combustion gas passage (18,34) up and down. Up and down between 2 adjacent activating chamber, or be provided with tremie pipe (25,33) at the edge or near central rotating shaft. Be provided with flashboard (32) in order to regulate thickness and blanking velocity material bed in the activating chamber (3), the soak time of control activation furnace that material passes through tremie pipe (25,33) suitable for reading. Or S shape valve (42) is set in the tremie pipe of each layer activating chamber bed board, automatically regulate thickness and the blanking velocity of the bed of material in each layer activating chamber. When material bed thin (material level is low) in the activating chamber of lower floor, S shape valve (42) is opened greatly automatically, blanking block, the material bed attenuate in the activating chamber of upper strata, material bed the thickening in the activating chamber of lower floor. On the contrary, activating chamber of lower floor material bed blocked up, S shape (42) valve turns down automatically, and blanking is few, and the material bed of upper strata activating chamber thickens, and lower floor The material bed attenuate of activating chamber.
Feed opening in activation furnace orlop activating chamber connects water seal tank and jet pump, and the activator that sprays through cooling reclaims liquid, swiftly flowing activator reclaims liquid, the activation charcoal that falls in the water seal tank is taken to the activator retracting device, reclaim activator, tell the activation charcoal.
Mechanical agitation system (7,16,17) is made of central rotating shaft (7), rake arm (16), rake teeth (17). Central rotating shaft (7) is made by the heatproof steel alloy, hollow, interior blowing air cooling, appearance parcel thermal insulation layer and sheath. The rake arm is made by heat-proof corrosion resistant erosion steel alloy, interior blowing air cooling, and appearance adds sheath. Rake teeth is made by the steel alloy of heat-proof corrosion resistant erosion or graphite, corundum, and its shape is divided 3 kinds: ramp type, colter formula and cutter formula, various rake teeths all are close to the surperficial raking of furnace bed board A automatically, respectively in order to pass the agglomerate of material, the loose turning over materials of shovel and chopping material. Central rotating shaft (7) lower end connection reducer and motor drive mechanism and cool air hose and air blast. Central rotating shaft (7) and the sand seal (35) of furnace bottom (40) junction seal with packing (28) with furnace roof (4) junction, prevent gas leakage.
Gas recovery system divides 3 the tunnel: the 1 the tunnel, from activation furnace (4), the activator catabolite of the activating chamber (3) on top, the outlet of volatile matter, connect graphite condenser, or glass condenser (9,10,11), zinc chloride and hydrochloric acid vapour are reclaimed in condensation. The 2 the tunnel, from activating chamber (3) steam outlet at activation furnace (4) top, connect graphite condenser or glass condenser, condensing trapping water vapour and a small amount of hydrochloric acid vapour. The 3 tunnel (pass into situation that upper strata activating chamber directly add thermal material in use in combustion gas): from activation furnace top activating chamber discharge water steam and combustion gas mixed gas outlet, connect spray condensing tower system (8,12,13,14), the pollution of control combustion gas.
Working method of the present invention.
Example one
Wood raw material is made gac with the activation of zinc chloride activators such as (or phosphoric acid).Wood chip is through screening, dry, flood liquor zinci chloridi (or phosphoric acid solution) according to a conventional method, in the storage hopper, continuous by screw feeder (5), add activating chamber of the activation furnace the superiors (3) quantitatively, material is in activating chamber (3), be subjected to ramp type on one side, the colter formula, the cutter formula stirs rake teeth and promotes, pine stirs and shreds shovel, by tremie pipe (25,33) successively fall, on being subjected on one side that following furnace bed board A thermal conduction heating and top furnace bed board B far infrared radiation heat, following 2 heating simultaneously, make the water evaporates in the material, the wood chip drying is subjected to the effect of activator and swollen, plasticizing, charing and activation.The soak time of material in activation furnace controlled automatically by the keying of the speed of rotation of central rotating shaft (7) and tremie pipe (25,33) gate (32) suitable for reading or the S shape valve in the tremie pipe (25,33).The activation charcoal draws off from the activation furnace bottom, falls into the water seal tank, reclaims liquid with the activator that sprays and takes the activator retrieving arrangement to.
The burning gas that produces in the burning of the combustion chamber (1) of activation furnace bottom feeds the undermost heating chamber of activation furnace (2), flow through burning gas passage (18,34) upwards successively by each section heating chamber (2), upwards process furnace bed board A(37), process furnace bed board B(38 downwards).The temperature of each section heating chamber (2) is controlled in the 250-1200 ℃ of scope by the intensity of combustion of burner (39).
From activation furnace, top activating chamber (3) discharge quantity seldom, purity height, activator and hydrochloric acid vapour that concentration is big, graphite condenser (10) condensation that imports the 1 tunnel condenser system is reclaimed.From water vapor and micro-hydrochloric acid vapour that activation furnace top activating chamber discharges, the graphite condenser condensation that imports the 2 tunnel condenser system is reclaimed.The end of waste gas condensate recovery system is provided with the water-jet pump, keep activating chamber (3) be little negative pressure (1～-10Pa) state.The all pollution-free phenomenon of whole activation furnace and reactivation process.
Example two
Do not establish heating chamber (2) on the top of activation furnace, list is made of activating chamber (3).From the burning gas of activation furnace middle part heating chamber (2) up, feed activation furnace top material and carry out in the activating chamber (3) of drying, plastic phase, in the surface current mistake of material, the direct heating material is to enhance productivity.Because at material dry, plastic phase, humidity is very big, and the temperature of burning gas is not high, this moment, direct heating can not make the activator in the material decompose, gasify, and can only play accelerated evaporation moisture content, the effect of dried material.
Water vapor and burning gas mixed gas from activation furnace top activating chamber discharges import the 3 tunnel condenser system, with spray column (8,10) condensing trapping, and the control exhaust emission.The structure of all the other activation furnaces and working method and example are together.
The advantage of apparatus and method for of the present invention.
1. wood chip is through swollen, plasticizing, charing and the activation of enough time, and the burnt sugar coloring decolorizing ability and the serge blue decolorizing ability that make active carbon are especially big.
2. material is in charcoal activation process, and the heat conduction heating that is subjected to below continuous stirring and the bed of material is directly heated with top radiation or combustion gas, and the thermal efficiency and production efficiency are all very high.
3. activation furnace is enclosed type, and sets up the waste gas condensation recovery system, and not loss of activator is free from environmental pollution. The activator loss amount is very little.
4. produce in a small amount activator steam, the concentration height, purity is big, and condensation is reclaimed and be can be recycled.
5. the activation charcoal is loose, and not conglomeration helps the wherein extraction of activator and reclaims.
6. activation furnace mechanization degree height, labour intensity is little, and the serialization operation is convenient to realize automatization.
Claims (19)
1, constitutes indirect heating and continuous churned mechanically producing activated carbon by chemical method activation furnace by a plurality of activating chamber and heating chamber.It is characterized in that: the vertical multi-sectional activation furnace is by bed board A, activating chamber that B is separated into (3) and heating chamber (2) are apart from one another by the overlapping vertical activation furnace that forms, odd-level is heating chamber (2) from bottom to top, even level is activating chamber (3), activating chamber (3) is provided with the stirring rake teeth (16) of being close to furnace bed board A (37) automatically that is driven by central rotating shaft, heating chamber (2) is provided with burner (39) or combustion chamber (1), in the activation furnace, the activating chamber air outlet on top connects graphite condenser (10), the activating chamber air outlet at activation furnace top connects graphite condenser or spray condensing tower (8,12), furnace roof (4) is provided with dead front type feeder (5), furnace bottom is provided with the dead front type discharger, and whole activation furnace is a dead front type.
2, by the described equipment of claim 1, it is characterized in that: adjacent 2 layers of heating chamber (2) up and down are connected with burning gas import (21) by burning gas outlet (36), burning gas passage (34).
3, by the described equipment of claim 1, it is characterized in that: adjacent 2 layers of activating chamber (3) are up and down connected by tremie pipe (25,33).
4, by the described equipment of claim 1, it is characterized in that: at tremie pipe (25, the 33) flashboard (32) that is provided with suitable for reading.Or in tremie pipe (25,33), be provided with S shape valve (42).
5, by the described equipment of claim 1, it is characterized in that: that stirs rake teeth (16) is shaped as colter shape, swash plate shape and knife-edge, is close to furnace bed board A(37 automatically) the surface move.
6, by the described equipment of claim 1, it is characterized in that: activation furnace (4) bottom is provided with combustion chamber (1).
7, by the described equipment of claim 1, it is characterized in that: each section heating chamber (2) is equipped with burner (39).
8, by the described equipment of claim 1, it is characterized in that: furnace bed board A(37) be high alumina refractories.
9, by the described equipment of claim 1, it is characterized in that: furnace bed board A(37), following half storey is a heatproof alloy iron and steel, the concrete composite structure furnace bed board of last half storey lining stone China ink or high alumina.
10, by the described equipment of claim 1, it is characterized in that: furnace bed board B(38) be high alumina refractories, or silicon carbide, heatproof cast alloy iron (steel) to the lower surface undulate, and is coated with radiation infrared coating, is provided with many rib wings to upper surface.
11, by the described equipment of claim 1, it is characterized in that: charge level detector (20) is installed by activating chamber (3).
12, by the described equipment of claim 1, it is characterized in that: the feed opening of orlop activating chamber connects activator and reclaims the liquid squirt pump.
13, the working method that provides a kind of described activation furnace of suitable claim 1 to produce gac, the wood chip of chemical activation agent solution infiltration heats in continuous churned mechanically multistage activation furnace, make gac through super-dry, swollen, plasticizing, charing and activation, it is characterized in that: material is walked activating chamber (3), tremie pipe (25,33) in activation furnace, be subjected to the furnace bed board A(37 at the bottom of the activating chamber) thermal conduction heating and the top furnace bed board B(38 of activating chamber) radiation infrared heating, or direct-fired upper and lower 2 heating of combustion gas flowing.Heating chamber (2) and burning gas passage (34) are made in burning leave with rage, in the combustion chamber upwards, downward process furnace bed board A, B(37,38), the temperature of heating chamber (2) is controlled at 250-1200 ℃.From activation furnace (4), the activating chamber (3) on top the activator volatile matter and the degradation production gas of discharging walks the 1 road condensate recovery system (graphite condenser) (9,10,11).Walk the 2 tunnel condenser system (graphite condenser) from the water vapor that activation furnace top activating chamber (3) discharges.Walk the 3 road condensing trapping system (spray condensing tower) (8,12,13,14) from water vapor and burning gas mixed gas that activation furnace top activating chamber (3) discharges.Material is subjected to the shovel pine of passing, the colter formula rake teeth of ramp type rake teeth to stir chopping with cutter formula rake teeth in reactivation process.
14, by the described method of claim 13, it is characterized in that: material bed thickness is surveyed by thing level-sensing device (20) in the activating chamber (3), is opened and closed by tremie pipe (25,33) flashboard (32) suitable for reading and regulates.
15, by the described method of claim 13, it is characterized in that: material bed thickness is regulated automatically by the S valve in the tremie pipe (25,33) in the activating chamber (3).
16, by the described method of claim 13, it is characterized in that: the temperature of heating chamber is by combustion chamber (1) and the control of burner (39) intensity of combustion.
17, by the described method of claim 13, it is characterized in that: material top-down translational speed in activation furnace (4) is controlled by the stirring velocity of mechanical stirring system (7,16,17).
18, by the described method of claim 13, it is characterized in that: activating chamber (3) and condensate recovery system (8,9,10,11,12,13,14) are kept little negative pressure :-1～-10Pa.
19, by the described method of claim 13, it is characterized in that: the activator that the activated material that activation furnace bottom activating chamber (3) draws off is sprayed by squirt pump reclaims liquid and takes away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92103113A CN1038495C (en) | 1992-04-23 | 1992-04-23 | Activation stove for producing activated carbon by chemical method and operating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92103113A CN1038495C (en) | 1992-04-23 | 1992-04-23 | Activation stove for producing activated carbon by chemical method and operating method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1077934A true CN1077934A (en) | 1993-11-03 |
| CN1038495C CN1038495C (en) | 1998-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92103113A Expired - Fee Related CN1038495C (en) | 1992-04-23 | 1992-04-23 | Activation stove for producing activated carbon by chemical method and operating method thereof |
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| Country | Link |
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| CN (1) | CN1038495C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001655A (en) * | 2010-12-01 | 2011-04-06 | 中国科学院生态环境研究中心 | Method for cleaning and recovering activating agent in production process of activated carbon |
| CN102690665A (en) * | 2011-12-30 | 2012-09-26 | 成功大学 | Pyrolysis system for organic biomass |
| CN103072985A (en) * | 2013-01-10 | 2013-05-01 | 大连理工大学 | Continuous alkali activation device and method for preparing activated carbon with high specific surface area |
| CN103121023A (en) * | 2013-01-28 | 2013-05-29 | 江苏国正新材料科技有限公司 | Washing method for electrical carbon material |
| CN104437369A (en) * | 2014-11-17 | 2015-03-25 | 赵秀娟 | Method for preparing iron-loaded active carbon by adopting one-step activation method |
| CN105016339A (en) * | 2015-08-03 | 2015-11-04 | 连云港明境生物能源有限公司 | Stir-fry-type activated charcoal stove |
| CN106276889A (en) * | 2016-10-14 | 2017-01-04 | 张西进 | The body of heater of absorbent charcoal activation furnace |
| CN106430191A (en) * | 2016-10-14 | 2017-02-22 | 张西进 | Active carbon activation furnace and active carbon production method |
| CN107008217A (en) * | 2017-06-16 | 2017-08-04 | 华中科技大学 | A kind of biological coke physical chemistry joint activation device |
| CN108867011A (en) * | 2018-09-04 | 2018-11-23 | 浙江工业职业技术学院 | A kind of useless cloth recycling and processing device |
| CN110437860A (en) * | 2019-08-22 | 2019-11-12 | 浙江大学 | A kind of continuous biomass carbonated system of bilayer or multilayer horizontal revolving cartridge type |
| CN113620292A (en) * | 2021-09-09 | 2021-11-09 | 江苏恒源活性炭有限公司 | Powdered activated carbon regeneration system and regeneration method |
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1992
- 1992-04-23 CN CN92103113A patent/CN1038495C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001655A (en) * | 2010-12-01 | 2011-04-06 | 中国科学院生态环境研究中心 | Method for cleaning and recovering activating agent in production process of activated carbon |
| CN102690665A (en) * | 2011-12-30 | 2012-09-26 | 成功大学 | Pyrolysis system for organic biomass |
| CN103072985A (en) * | 2013-01-10 | 2013-05-01 | 大连理工大学 | Continuous alkali activation device and method for preparing activated carbon with high specific surface area |
| CN103072985B (en) * | 2013-01-10 | 2014-07-23 | 大连理工大学 | Continuous alkali activation device and method for preparing activated carbon with high specific surface area |
| CN103121023A (en) * | 2013-01-28 | 2013-05-29 | 江苏国正新材料科技有限公司 | Washing method for electrical carbon material |
| CN104437369A (en) * | 2014-11-17 | 2015-03-25 | 赵秀娟 | Method for preparing iron-loaded active carbon by adopting one-step activation method |
| CN105016339A (en) * | 2015-08-03 | 2015-11-04 | 连云港明境生物能源有限公司 | Stir-fry-type activated charcoal stove |
| CN106430191A (en) * | 2016-10-14 | 2017-02-22 | 张西进 | Active carbon activation furnace and active carbon production method |
| CN106276889A (en) * | 2016-10-14 | 2017-01-04 | 张西进 | The body of heater of absorbent charcoal activation furnace |
| WO2018068617A1 (en) * | 2016-10-14 | 2018-04-19 | 张西进 | Furnace body for activated-carbon activation furnace |
| CN107008217A (en) * | 2017-06-16 | 2017-08-04 | 华中科技大学 | A kind of biological coke physical chemistry joint activation device |
| CN108867011A (en) * | 2018-09-04 | 2018-11-23 | 浙江工业职业技术学院 | A kind of useless cloth recycling and processing device |
| CN108867011B (en) * | 2018-09-04 | 2023-07-14 | 浙江工业职业技术学院 | Waste cloth recycling device |
| CN110437860A (en) * | 2019-08-22 | 2019-11-12 | 浙江大学 | A kind of continuous biomass carbonated system of bilayer or multilayer horizontal revolving cartridge type |
| CN113620292A (en) * | 2021-09-09 | 2021-11-09 | 江苏恒源活性炭有限公司 | Powdered activated carbon regeneration system and regeneration method |
| CN113620292B (en) * | 2021-09-09 | 2022-04-15 | 江苏恒源活性炭有限公司 | Powdered activated carbon regeneration system and regeneration method |
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| CN1038495C (en) | 1998-05-27 |
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