CN108579710A - Column-shaped active carbon desorption process for regenerating - Google Patents
Column-shaped active carbon desorption process for regenerating Download PDFInfo
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- CN108579710A CN108579710A CN201810161014.XA CN201810161014A CN108579710A CN 108579710 A CN108579710 A CN 108579710A CN 201810161014 A CN201810161014 A CN 201810161014A CN 108579710 A CN108579710 A CN 108579710A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
- B01J20/3466—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase with steam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3475—Regenerating or reactivating using a particular desorbing compound or mixture in the liquid phase
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
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Abstract
The invention discloses a kind of column-shaped active carbon desorption process for regenerating, there is 30%~35% moisture after wet activated carbon dehydration, when regeneration furnace temperature rises to 100 DEG C~150 DEG C, the moisture in activated carbon grain starts to evaporate, while part low-boiling-point organic compound starts to volatilize；When being increased to 150 DEG C~700 DEG C with temperature, most organic matters in the form of volatilization, decomposition, charing, are eliminated from activated carbon hole wall respectively.In activation act, temperature is further increased to 750 DEG C, is passed through the oxidizing gas such as vapor, carbon dioxide packing and carries out priming reaction, carbonic oxide, carbon dioxide packing, hydrogen and nitrogen oxide of generation etc. decompose desorption from activated carbon.The activation temperature of activated carbon is set as 750 DEG C, soak time 30min, the adsorptivity rate index of activated carbon can be made to improve, iodine number recovery rate is close to or up to new charcoal level, and the charcoal proportion of goods damageds are low, total energy consumption declines, the recovery time is short, environmental protection meets national standard.
Description
Technical field
The invention belongs to metallurgical technology fields, and in particular to a kind of column-shaped active carbon desorption process for regenerating.
Background technology
Currently, worldwide, about 1,300,000 tons of the demand of column-shaped active carbon, but column-shaped active carbon makes in China
With universal not enough.Column-shaped active carbon is usually used in the purification of water body, the purification of air, industrial waste gas as excellent adsorbent
Recycling, precious metal recycling and refinement etc..
The recycling of column-shaped active carbon is the major issue that part is benefited the nation and the people, and is advocating the present built a conservation-minded society energetically
How it, carry out effective regeneration by the column-shaped active carbon of adsorption saturation and recycle, for environmental protection, save resource, reality
Existing economic sustainable development, has highly important environmental benefit, economic benefit and good social benefit.
In golden production technological process, carrier of the activated carbon as absorption, if be used for a long time, adsorption rate is lower, meeting
The production per cycle for directly reducing gold causes overstocking for metal, to influence economic benefit.Since activated carbon is in absorption gold, silver etc.
During noble metal, the larger molecular organics such as collecting agent, foaming agent, oils, humic acid can be also tightly held by activated carbon, and make activity
Carbon surface pollutes, and shows as hydrophobicity, the reduction of adsorption activity point, the micro channel for blocking charcoal, the absorption property for damaging activated carbon,
The original activity of activated carbon is reduced, absorption and desorption of the activated carbon to useful process products are hindered.Therefore, to increase metal
Yield, improves the recycling benefit of metal, it is necessary to activating and regenerating processing is carried out to it, to restore its adsorption activity.
In the prior art, column-shaped active carbon does not have dedicated activating and regenerating equipment, and when column-shaped active carbon activating and regenerating is former
Coconut husk charcoal regenerating furnace carries out activating and regenerating, and unit type is:JRH-0-2000,2000 kilograms of daily handling ability, temperature is measured as K
Type resistance-type thermocouple, 560 degree for the treatment of temperature.Regenerating furnace is fuel oil injection heating, and column-shaped active carbon enters regeneration from storage charcoal slot
Stove, regenerating furnace is interior to be distributed 21 stainless steel tubes, and column-shaped active carbon drops to centrum from stainless steel tube, and underlying vertebral body is held in the palm with rotation
Disk carries out charcoal under discontinuous, heats 60 seconds, puts charcoal 20 seconds, goes out the control of charcoal temperature at 680 degree~700 degree, the control of furnace temperature exists
700~720 degree, column-shaped active carbon regeneration cost is about 1200 yuan/ton.Existing generating apparatus again has the following problems：
1, heating is uneven in regenerating furnace, and fuel oil is sprayed from outside to furnace, and it is excessively high that injection proximal end is likely to occur temperature,
The possible heating temperature in distal end is insufficient, and temperature measuring thermocouple is inserted perpendicularly into side in furnace, and temperature measurement area is single.
2, column-shaped active carbon after heat treatment is not continuous lower charcoal during centrum to water extracts slot, on rotary-tray
Can stay for some time, this period column-shaped active carbon can ingress of air, so that column-shaped active carbon is ashed, make its abrasion resistance and hard
Degree all reduces.Broken charcoal amount and charcoal loss rate obviously increase.
Invention content
The technical problem to be solved by the present invention is to：A kind of column-shaped active carbon desorption process for regenerating is provided, work can be improved
Property charcoal recycling rate of waterused, reduce production cost.
In order to solve the above technical problems, the technical scheme is that：Column-shaped active carbon desorption process for regenerating, a) to storage charcoal
Addition needs the activated carbon of desorption and regeneration in slot, to the activated carbon drainage 1.5h；B) activated carbon is packed into regenerating furnace
Preceding 30min, opens the regenerating furnace, and the barrel body rotation frequency of the regenerating furnace is set as 8.5HZ；C) barrel body rotation is no different
The heater switch in four areas of electrical heating room is opened after often one by one, temperature is set as 720 DEG C, and is examined at any time during heating
Look into the rising situation of temperature；D) when temperature reaches 600 DEG C, oscillating feeder is opened, adjusts Oscillation Amplitude, the setting of speed governing electric current
For 0.6A, the charcoal valve of putting for opening the storage charcoal slot starts in the regeneration furnace body of the regenerating furnace into charcoal, the activated carbon
It is 30min in the recovery time of the regeneration furnace body；E) activated carbon after regenerating enters water by lower charcoal pipe and extracts slot；f)
The activated carbon after regeneration is needed after grinding 30min in grinding charcoal slot, then is sieved via vibrating screen.
Preferably, the lower charcoal pipe lengthens the 20cm or less for extending to the water extraction slot water surface.
Preferably, the lower charcoal pipe extend into 30cm below the water extraction slot water surface.
Preferably, the charcoal time interval of putting of the water extraction slot is 4 hours.
Preferably, the activated carbon is promise Rui Te activated carbons.
Preferably, by the feed hopper of the oscillating feeder into charcoal.
After adopting the above technical scheme, the beneficial effects of the invention are as follows：
The moisture for also having 30%~35% after wet activated carbon dehydration, when regeneration furnace temperature rises to 100 DEG C~150 DEG C, activated carbon
Moisture in grain starts to evaporate, while part low-boiling-point organic compound starts to volatilize；When being increased to 150 DEG C~700 DEG C with temperature,
Most organic matters in the form of volatilization, decomposition, charing, are eliminated from activated carbon hole wall respectively.In activation act, temperature is into one
Step rises to 750 DEG C, is passed through the oxidizing gas such as vapor, carbon dioxide packing and carries out priming reaction, the carbonic oxide of generation, titanium dioxide
Charcoal, hydrogen and nitrogen oxide etc. decompose desorption from activated carbon.The activation temperature of activated carbon is set as 750 DEG C, when activation
Between 30min, the adsorptivity rate index of activated carbon can be made to improve, it is horizontal that iodine number recovery rate is close to or up to new charcoal, the charcoal proportion of goods damageds are low,
Total energy consumption declines, the recovery time is short, environmental protection meets national standard.
Lower charcoal pipe lengthening extend into 30cm below the water extraction slot water surface, and the poor charcoal after regeneration is allowed directly to enter water extraction from lower charcoal pipe
Pipe carries out water extraction, to prevented to be unable to after regenerating active carbon anoxybiotic and caused by be ashed.
The lengthening of lower charcoal pipe has accomplished anoxybiotic processing after extending into below the water extraction slot water surface, while the water that while also extracting water generates
Steam enters in regeneration furnace body, increases to two smoke discharging pipes by an original smoke discharging pipe, allows and regenerates in furnace body
" string hall wind " phenomenon is not formed, the decline of regeneration temperature is not caused, does not influence the quality of regenerating active carbon, while also not increasing electricity
The consumption of energy.The intrinsic hot gas of regenerating furnace is uniformly discharged from two row smoke-exhaust pipelines, reduces hot loss of energy, reduces production
Cost.The intrinsic oxygen of regenerating furnace can be strictly controlled, to reduce the loss of charcoal, and after high temperature regeneration, activated carbon is inhaled
Attached activation recovering rate reaches 95% or more of new charcoal, substantially near or to be restored to new charcoal horizontal.Activated carbon is in regenerating furnace sheet
30min is stopped in vivo, and charcoal regeneration losses rate 1%~2%, regenerative adsorption rate is 95% or more of new charcoal.
Description of the drawings
Fig. 1 is the structural schematic diagram of regeneration furnace apparatus used by the column-shaped active carbon desorption process for regenerating of the present invention；
In figure, 1, regenerate furnace body；2, lower charcoal pipe；3, exhanst gas outlet；4, oscillating feeder；5, feed hopper.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the present invention.Undoubtedly, those skilled in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
Regeneration furnace apparatus is as shown in Figure 1, regenerating furnace in conjunction with used by the column-shaped active carbon desorption process for regenerating of the present invention
Using external indirect heating manner, by roller, transmission and support construction, heating room, TT＆C system, charging end shield, charging mechanism,
Discharge the compositions such as end shield, static and dynamic sealing.
Charging mechanism is made of feeding device, feed bin, oscillating feeder and oblique elephant trunk etc., using feed bin, carries feed hopper 5
Oscillating feeder 4, oblique elephant trunk combination charging.For charging end shield by type steel support on whole steel bottom plate, upper part is equipped with taper
Waste gas outlet, lower part are equipped with residue-removing opening, the oblique elephant trunk of cover body end plates installation charging in position on the upper side.Roller is by former and later two bracing rings
Support, cylinder outer wall inlay driving cog wheel rim, are driven by decelerating motor and drive pinion.Column-shaped active carbon is sent by oblique elephant trunk
To roller, after leading portion preheating, into roller in the middle part of electrical heating room, the areas electrical heating Shi Fensige are heated, and respectively by
The heater switch in four areas is controlled, and heating room burner hearth uses refractory fibre structure, and the shell of equipment is shaped steel buckle structure.
After regeneration, by the lower charcoal pipe 2 for the end shield lower part that discharges enter water extracts progress water extraction processing in slot to column-shaped active carbon.Lower charcoal pipe 2
30cm below the water extraction slot water surface is extended to it is preferred that lengthening.
Add, the static and dynamic sealing between end shield and roller that discharges compresses sealing means using multiple tracks filler.Regenerator temperature controls
System installs four groups of temperature control loops altogether, realizes that temperature is adjusted；Simultaneously to temperature of charge, waste air temperature, waste discharge atmospheric pressure
It is monitored in real time；It realizes that drum rotation speed is adjusted by the variation of driving motor frequency converter output valve, passes through oscillating feeder 4
Electromagnetic speed-adjusting realizes the adjusting of delivery rate.
The above-mentioned equipment is outsourcing device, and the structure of the equipment is common knowledge, and details are not described herein.
Select the RO3520 type column-shaped active carbons of NORIT companies of Holland production, the activated carbon that there is flourishing specific surface area
And abundant micropore diameter.Specific surface area is up to 1000-1600m2/g, micro pore volume 95% or so, micropore size 10A-
40A.Have many advantages, such as that large specific surface area, aperture are moderate, be evenly distributed, adsorption rate is fast, impurity is few, close gold, silver ion, silver
Adsorption rate is higher than nearly 1.5 times of cocoanut active charcoal adsorption rate, has preferably recycled the silver metal in flow, has increased considerable economy
Profit.
A kind of column-shaped active carbon desorption process for regenerating a) adds the activated carbon for needing desorption and regeneration, to work into storage charcoal slot
Property charcoal drainage 1.5h；B) into regenerating furnace be packed into activated carbon before 30min, open regenerating furnace, and by the barrel body rotation of regenerating furnace frequency
Rate is set as 8.5HZ；C) heater switch in four areas of electrical heating room is opened after barrel body rotation is without exception one by one, temperature is set as
720 DEG C, and the rising situation of temperature check at any time during heating；D) when temperature reaches 600 DEG C, vibrating feed is opened
Machine 4 adjusts Oscillation Amplitude, and speed governing electric current is set as 0.6A, opens the regenerating furnace of storage charcoal slot put charcoal valve and start past regenerating furnace
Ontology 1 is interior into charcoal, and activated carbon is 30min in the recovery time of regeneration furnace body 1；E) activated carbon after regenerating passes through lower charcoal pipe 2
Extract slot into water, water extraction slot puts charcoal time interval no more than 5 hours, herein preferably 4 hours；F) activated carbon after regenerating
It needs after grinding 30min in grinding charcoal slot, then sieved via vibrating screen.
The lower lengthening of charcoal pipe 2 extend into 30cm below the water extraction slot water surface, and the poor charcoal after regeneration is allowed directly to enter water from lower charcoal pipe 2
Extract pipe and carry out water extraction, to prevented to be unable to after regenerating active carbon anoxybiotic and caused by be ashed.
The lengthening of lower charcoal pipe 2 has accomplished anoxybiotic processing after extending into below the water extraction slot water surface, while while also extracting water generates
Vapor enters in regeneration furnace body 1, increases to two smoke discharging pipes by an original smoke discharging pipe, and from smoke discharging pipe
3 discharge of smoke evacuation outlet, allow in regeneration furnace body 1 and not forming " string hall wind " phenomenon, do not cause the decline of regeneration temperature, do not influence
The quality of regenerating active carbon, while not increasing the consumption of electric energy yet.The hot gas in furnace body 1 is regenerated uniformly from two row smoke exhaust pipes
Road is discharged, and reduces hot loss of energy, reduces production cost.The oxygen in regeneration furnace body 1 can be strictly controlled, to reduce
The loss of charcoal, and after high temperature regeneration, activated carbon adsorption activation recovering rate reaches 95% or more of new charcoal, substantially near or
It is horizontal to be restored to new charcoal.Activated carbon stops 30min, charcoal regeneration losses rate 1%~2%, regenerative adsorption rate in regeneration furnace body 1
It is 95% or more of new charcoal.
Using after the column-shaped active carbon desorption process for regenerating of improved equipment and the present invention, following effect can be obtained
Fruit：
1) use oscillatory type into charcoal method into charcoal system, rigid fragmentation does not occur, gives up for the accurate and regenerated activated carbon of guarantee
Flue gas swimmingly enters flue by gap.
2) regeneration furnace body 1 uses Heat-Resisting Stainless Steel Tube, can bear 1000 DEG C or more high temperature, Heat-Resisting Stainless Steel Tube is to acid
Alkali has certain corrosion resistance, extends the service life of regeneration furnace body.
3) regeneration 1 rotary system of furnace body uses speed reducer and gear drive, equipment operation steady, safe and reliable.
4) power source of feed system and regeneration 1 rotary system of furnace body is accurate by thyristor speed control from speed regulating motor
Control regenerated carbon enters the quantity of regeneration furnace body 1, and regeneration 1 rotary system of furnace body, which carries out speed governing, can control regeneration furnace body 1
Interior regeneration residence time reaches the technical parameters such as regeneration iodine number, the adsorption rate of control regenerated carbon.
5) just section, heating stage casing, the temperature control detection thermocouple of heated distal and the induction of flue gas flue pressure monitor are heated
Device has collectively constituted automatic control system with control instrument, can accurately control heating temperature and heating time, when heating is
When operating exception occurs in system, start safety device autostop, to ensure that equipment safety operates.
6) automatic control system uses lock crystalline substance management and control heating system, keeps temperature curve gentle, avoids sharp inflection point, temperature
Degree control is more accurate, and heating temperature automatic recording instrument can in due course recorded at random heating time, heating temperature and heating song
Line, to carry out analysis and regulation to technical parameters such as heating time, heating temperatures.Automatic monitoring system can heat equipment
System random monitoring, control and security alarm.
7) lower charcoal pipe 2 is directly protruding into water and extracts the water surface of slot hereinafter, closed row's charcoal system can ensure to live again
Property charcoal be not exposed in air, avoid the regenerated carbon of high temperature and air catalytic combustion, generate charcoal damage.
8) after high temperature regeneration activated carbon enters water quenching system, the ash content on surface can be removed, instantaneous high-temperature vaporization is conducive to
The hole secondary development of regenerated carbon promotes regenerated carbon a large amount of micropores that the stage of reaction generates in regeneration furnace body 1,
The random charcoal in carbon presoma is originally trapped in by the consumption of selectivity, opens the micropore occluded between crystallite, to
The specific surface area of gained activated carbon is set to increase, iodine sorption value, adsorption rate improve.
9) regenerating furnace through the equipment carries out heating and is used for preheating by waste heat to need regenerated activated carbon, has heating
Soon, the feature that heat utilization efficiency is high, regeneration operating cost is cheap.
10) high-temperature water quenching technology is used, promotes second of development of hole of activated carbon, increases iodine number, improve
Adsorption rate, iodine number recovery rate are higher.
11) regenerating furnace of the equipment is stable, easy to operate, noise is small, good operational environment.
Using column-shaped active carbon desorption process for regenerating of the invention and using after improved equipment, work can be not only improved
Property charcoal absorption recovery rate, increase activated carbon service life, the abrasion of activated carbon can also be reduced, to reduce amount of metal
It is lost in, the loss of activated carbon, reduces production cost, increase economic benefit.
For current production scale, the measuring and calculating for economic benefit：
Broken charcoal decrement：
Generating broken charcoal can monthly reduce by 3.51 tons of activated carbons compared with producing in the prior art, 3.6 ten thousand yuan per ton, monthly may be used
12.6 ten thousand yuan of buying charcoal amount is saved, 151.2 ten thousand yuan can be saved every year.
Charcoal loss amount：
Active hardness is restored after regeneration, monthly reduces charcoal and damages 1 ton, calculates by average grade 900g/t, can monthly recycle more
900 grams of gold, every gram, by 280 yuan of calculating, can increase by 302.4 ten thousand yuan of economic benefit year.
Adsorption rate improves：
Annual last person's liquid is calculated by 900000m3：
Ten thousand yuan of 900000m3* (0.03-0.01) * 280=18000*280=504 (gold is calculated by 280 yuan/gram).
Ten thousand yuan of 900000m3* (0.096-0.036) * 4=54000*4=21.6 (silver is calculated by 4 yuan/gram).
Total economic benefit：Ten thousand yuan of 151.2+302.4+504+21.6=979.2.
Social benefit：
The recycling of activated carbon is the major issue that part is benefited the nation and the people, and is advocating the today built a conservation-minded society energetically,
The activated carbon of adsorption saturation is subjected to effective regeneration and is recycled, by for environmental protection, save resource, realize it is economical can
Sustainable development has highly important environmental benefit, economic benefit and good social benefit.
Although specific embodiments of the present invention have been described above, it should be appreciated by those skilled in the art retouched
The embodiment stated is only a part of the embodiment of the present invention, and instead of all the embodiments, these are merely illustrative, this
The protection domain of invention is to be defined by the appended claims.Those skilled in the art is without departing substantially from the principle of the present invention and reality
Under the premise of matter, under any performing creative labour of no process, many changes and modifications may be made,
But these change and modification each fall within protection scope of the present invention.
Claims (6)
1. column-shaped active carbon desorption process for regenerating, which is characterized in that
A) activated carbon for needing desorption and regeneration is added into storage charcoal slot, to the activated carbon drainage 1.5h；
B) it is packed into 30min before the activated carbon into regenerating furnace, opens the regenerating furnace, the barrel body rotation frequency of the regenerating furnace
It is set as 8.5HZ；
C) heater switch in four areas of electrical heating room is opened after the barrel body rotation is without exception one by one, temperature is set as 720 DEG C,
And the rising situation of temperature check at any time during heating；
D) when temperature reaches 600 DEG C, oscillating feeder is opened, adjusts Oscillation Amplitude, speed governing electric current is set as 0.6A, opens institute
The charcoal valve of putting for stating storage charcoal slot starts in the regeneration furnace body of the regenerating furnace into charcoal, and the activated carbon is in the regenerating furnace sheet
The recovery time of body is 30min；
E) activated carbon after regenerating enters water by lower charcoal pipe and extracts slot；
F) activated carbon after regenerating is needed after grinding 30min in grinding charcoal slot, then is sieved via vibrating screen.
2. column-shaped active carbon desorption process for regenerating as described in claim 1, which is characterized in that the lower charcoal pipe lengthening extends to
The 20cm or less of the water extraction slot water surface.
3. column-shaped active carbon desorption process for regenerating as claimed in claim 2, which is characterized in that the lower charcoal pipe extend into described
Water extracts 30cm below the slot water surface.
4. column-shaped active carbon desorption process for regenerating as claimed in claim 3, which is characterized in that the water extraction slot puts the charcoal time
Between be divided into 4 hours.
5. column-shaped active carbon desorption process for regenerating as claimed in claim 4, which is characterized in that the activated carbon is lived for Nuo Ruite
Property charcoal.
6. column-shaped active carbon desorption process for regenerating as claimed in claim 5, which is characterized in that pass through the oscillating feeder
Feed hopper is into charcoal.
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| CN201810161014.XA CN108579710A (en) | 2018-02-26 | 2018-02-26 | Column-shaped active carbon desorption process for regenerating |
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| CN201810161014.XA CN108579710A (en) | 2018-02-26 | 2018-02-26 | Column-shaped active carbon desorption process for regenerating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206755A (en) * | 2020-09-18 | 2021-01-12 | 杭州电子科技大学 | Activated carbon activation and regeneration device with self-adaptive function and activation and regeneration method thereof |
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|---|---|---|---|---|
| US20030039605A1 (en) * | 2001-08-21 | 2003-02-27 | Edward Ramsay | Process for the recovery of precious metals from fine carbon |
| CN201006426Y (en) * | 2007-01-22 | 2008-01-16 | 长春黄金研究院 | Bucket lifting electrical heating charcoal reproduction furnace |
| CN204485874U (en) * | 2015-03-20 | 2015-07-22 | 胡建洋 | Heating activated carbon regenerating unit |
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| Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206755A (en) * | 2020-09-18 | 2021-01-12 | 杭州电子科技大学 | Activated carbon activation and regeneration device with self-adaptive function and activation and regeneration method thereof |
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