CN110255562A - A kind of washing active carbon system and washing process - Google Patents
A kind of washing active carbon system and washing process Download PDFInfo
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- CN110255562A CN110255562A CN201910436542.6A CN201910436542A CN110255562A CN 110255562 A CN110255562 A CN 110255562A CN 201910436542 A CN201910436542 A CN 201910436542A CN 110255562 A CN110255562 A CN 110255562A
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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
- C01B32/354—After-treatment
- C01B32/378—Purification
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention discloses a kind of washing active carbon system and washing process, the washing active carbon system, including for being precisely pre-mixed to cleaning solution the subsystem that makes up a prescription, the washing subsystem rinsed repeatedly for realizing active carbon, accelerate cooling water storage cooling subsystem, by washes secondary cycle using purifying subsystem, subsystem, and the electric appliance intelligence semiautomatic control subsystem for controlling entire washing system operation are discharged to the post-processing that the tail water of detergent active charcoal carries out deep purifying；Operation of the present invention is simple, and high degree of automation takes up little area, rinsed clean, thoroughly solves the recycling and purification discharge of liquid medicine, reduces working strength, improve work efficiency.
Description
Technical field
The invention belongs to the deep process technology fields of active carbon, and in particular to a kind of washing active carbon system and washers
Skill.
Background technique
Active carbon needs pickling, water rinsing, the depth of washing polishing, surface coatings and catalyst carrier etc. in practical applications
Processing, it is therefore an objective to reduce the ash impurities of granular activated carbon, molysite, reconcile its pH value, the floating ash of removal, increase intensity and effectively
Carried catalyst increases added value to improve its performance.
Pickling traditional at present, water rinsing, the method for washing polishing, surface coatings and catalyst carrier is mainly with backwardness
Artificial or mechanical mode lead to steam heating in big tank and boil and wash, stir, salvaging, then logical clear water repeats above step to float
It washes into, the disadvantage is that washing water temperature cannot accurately control, and consumption is artificial, large labor intensity to granular activated carbon abrasion than more serious,
The Heisui River generated in washing process is seriously polluted to operating environment, because of only rough formula operation, washs insufficient, detersive efficiency
It is not high.
The patent of invention of Publication No. CN201310466389.4 discloses a kind of active carbon acid cleaning process and pickling system,
Including following steps: providing an acid dip pickle, and inject a certain amount of water；A certain amount of salt is added to the acid dip pickle
Acid, and be passed through high pressure gas and be stirred, form certain density pickling solution；Pretreated active carbon material metering is sent into
Acid dip pickle, soaking and stirring；It alternately is passed through high pressure gas and steam after then passing to steam heating, and continues 1~2 hour；Acid
Pickling solution is discharged after washing, and active carbon material is washed；Then it dehydrates and sieves, obtain active carbon finished products.
The present invention also provides a kind of active carbon pickling systems.Active carbon acid cleaning process and pickling system of the present invention, it can be achieved that
The entire semi-automatic serialization work of acid cleaning process, and realize entire acid cleaning process closure, it avoids and pollutes the environment
And peripheral equipment is caused to corrode.However the system of the invention and technique can not accomplish recycling and purification row to liquid medicine
It puts, still can cause environmental pollution to a certain extent.
Summary of the invention
For the problem present on, the present invention provides a kind of washing active carbon system and washing process.
The technical solution of the present invention is as follows: a kind of washing active carbon system, including the subsystem that makes up a prescription, washing subsystem, water storage
Cooling subsystem, purifying subsystem, post-processing discharge subsystem, and the electric appliance intelligence half for controlling entire washing system operation
Autonomous control subsystem；
The subsystem that makes up a prescription include for storing the water tank of tap water, the medicine storing pot for storing cleaning solution, be connected to storage
Mixed medicinal cupping below water pot and medicine storing pot, for tap water and cleaning solution to be pre-mixed；
Washing subsystem includes washing tank, and the feed opening for adding active carbon is offered at the top of washing tank, is mounted on and adds
Dust collection vapour device above material mouth, the dosing mouth being connected with mixed medicinal cupping, and it is connected with the level sensing of fluid level control device
Mouthful；The steam pipe being connected with external steam generator is equipped in the middle part of washing tank, for connecting the temperature detection mouth of temperature control device, with
And equipped with the aeration plate being connected with external aerator；It washs pot bottom and is equipped with discharge port and drainage mouth；
Water storage cooling subsystem includes cooling device, and the hot Heisui River for flowing out drainage mouth carries out heat exchange cooling；
Purifying subsystem includes the plate and frame filter press for being connected to cooling device, is used to Heisui River filters pressing be clear water, then
It is pumped to mixed medicinal cupping；
Post-processing discharge subsystem includes bio-aeration tower, and is connected with cooling device, dust collection vapour device
Acid-base neutralization case, the water outlet of acid-base neutralization case are sent into bio-aeration tower after plate and frame filter press filters pressing and carry out advanced treating again
It is discharged.
Further, cleaning solution be by citric acid, phosphoric acid, acidic amino acid liquid according to mass percent be 15:10:3 group
At pH=1-2.It is not volatile compared to traditional hydrochloric acid solution relatively friendly to human body, a small amount of acidic amino acid liquid is added
The cleaning dynamics of activated carbon surface can be improved.
Further, mixed medicinal cupping includes that internal blender one is arranged in, be arranged in the water inlet at the top of mixed medicinal cupping and into
Medicine mouth, water inlet are connected with water tank, and feeding opening is connected with medicine storing pot, are arranged in the medicine outlet of the bottom of mixed medicinal cupping, water inlet,
It is separately installed with electromagnetic flowmeter on feeding opening, medicine outlet, circulation water inlet is horizontally connected on water inlet, for the sheet frame that flows back
Filter press filters pressing treated circulation clear water.
Further, cooling device includes cooling tank, and Heisui River import is equipped at the top of cooling tank, and cooling pot bottom is equipped with
Heisui River exports and temperature monitor, the blender two inside cooling tank, and the snakelike heat exchange tube outside cooling tank, snake is arranged in
The water inlet of shape heat exchanger tube is connected with external cooling water source, and the water outlet of snakelike heat exchange tube is connected to water tank.Relative to tradition
Directly dry in the air to cooling temperature, inside stirring plus heat exchange by way of cooled down, not only may be implemented in confined space into
Row, and then sour vapour evolution pollution working environment is prevented, it is also substantially shorter cooling time, and the hot water water of cooling heat transferring can be sent
Water tank is returned to utilize again.
Further, dust collection vapour device includes cover, is connected to the pumping blower of cover upper end, and with pumping blower
Connected aluminum foil pipe.Active carbon dust when feeding and sour vapour when heating can be detached and be carried out purified treatment in time,
Working environment is purified, it is more environmentally-friendly.
Further, acid-base neutralization case, offers inlet, air intake and liquid outlet on acid-base neutralization case, inlet with
Drainage mouth is connected, and through insertion aluminum foil pipe in air intake, liquid outlet is connected to plate and frame filter press, is equipped with stirring in acid-base neutralization case
Device three and pH detector.
Further, the top of bio-aeration tower is equipped with the tail water import that is connected with plate and frame filter press, in bio-aeration tower
Equipped with biological rope filler and aeration tube, aeration tube is connected with aerator, and the bottom of bio-aeration tower is equipped with water purification outlet, and water purification goes out
Resin filter is equipped in mouthful.Deep purifying is carried out to last tail water using the microorganism loaded on biological rope filler, finally
It is filtered absorption by resin filter, is finally reached discharge standard.
Further, contain iron-loving bacteria in biological rope filler.By in iron-loving bacteria and degradation cleaning active charcoal waste water
Molysite.
The process flow of washing active carbon is carried out using washing active carbon system, comprising the following steps:
S1: mixed medicinal cupping introduces tap water and cleaning solution from water tank and medicine storing pot respectively, and being configured to concentration is 12-
The acid solution of 15wt%, then acid solution is added in washing tank, active carbon is added from feed opening, final active carbon and acid are molten
The volume ratio of liquid is 1:2-3, is passed through into washing tank and is steam heated to 90-100 DEG C, while being filled with pressure-air using aeration plate
It is sufficiently stirred, the flying dust for the generation that feeds and thermogenetic sour vapour is added to lead to by dust collection vapour device containing alkaline neutralization
The acid-base neutralization case of liquid；
S2: the single wash time maintains 20-30min, opens drainage mouth and the useless Heisui River of washing is drained in cooling tank, internal
It is stirred continuously by blender one, increases the heat transfer rate with the chilled water of external snakelike heat exchange tube, the chilled water after heat exchange
Water tank is flow to be utilized again；
S3: when Heisui River of giving up in cooling tank is cooled to 40-45 DEG C, useless Heisui River is drained in plate and frame filter press and is squeezed
Filtering, is converted to recycling clear water for useless Heisui River, and water will be asked to drain into mixed medicinal cupping from circulation water inlet and recycled；
S4: the waste water of last time washing is cooled to 40-45 DEG C through cooling tank by repeated washing, total duration 10-20h
When, waste water is drained in acid-base neutralization case and carries out acid-base neutralization, until pH=7, then by the waste water after neutralization through plate and frame filter press
Squeezing filtering becomes neutral clear water；
S5: neutral clear water is led in bio-aeration tower, comes into full contact with 4-6h with biological rope filler, and by aeration tube into
Row aeration oxygen supply, degrades in water containing molysite and organic matter, finally by the resin filter that water purification outlet is arranged in
It is discharged after being absorbed and filter.
The invention has the benefit that the accurate premix that the subsystem that makes up a prescription of the invention can individually measure cleaning solution
It closes, improves the quality of activated carbon rinsing；Washing tank in washing subsystem can be realized the rinsing repeatedly of active carbon, and also
Cleaning is collected to the dust of generation and sour vapour by dust collection vapour device, protects environment；The cooling subsystem of water storage of the invention
It unites and directly dries in the air to cooling temperature relative to traditional, cooled down by way of inside stirring plus heat exchange, not only be may be implemented in
It is carried out in confined space, and then prevents sour vapour evolution pollution working environment, be also substantially shorter cooling time, and cooling heat transferring
Hot water water can send water tank back to and utilize again；Heisui River filters pressing is clear water using plate and frame filter press by purifying subsystem of the invention
Carry out secondary cycle utilization；It is last that post-processing discharge subsystem of the invention can carry out deep purifying to the tail water of detergent active charcoal
It is filtered absorption by resin filter, is finally reached discharge standard.In short, operation of the present invention is simple, high degree of automation,
It takes up little area, rinsed clean, thoroughly solves the recycling and purification discharge of liquid medicine, reduce working strength, improve work
Make efficiency.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is process flow chart of the invention.
Wherein, 1- water tank, 2- medicine storing pot, 3- mix medicinal cupping, 4- washing tank, 5- feed opening, 6- dust collection vapour device, 7- and add
Medicine mouth, 8- fluid level control device, 9- level sensing mouth, 10- steam generator, 11- steam pipe, 12- temperature control device, 13- temperature
Detection mouth, 14- aerator, 15- aeration plate, 16- discharge port, 17- drainage mouth, 18- cooling device, 19- plate and frame filter press,
20- acid-base neutralization case, 21- blender one, 22- water inlet, 23- feeding opening, 24- medicine outlet, 25- electromagnetic flowmeter, 26- circulation
Water inlet, 27- cooling tank, the import of the Heisui River 28-, the outlet of the Heisui River 29-, 30- temperature monitor, 31- blender two, 32- is snakelike changes
Heat pipe, 33- cover, 34- pumping blower, 35- aluminum foil pipe, 36- inlet, 37- air intake, 38- liquid outlet, 39- blender three,
40-pH detector, 41- bio-aeration tower, the import of 42- tail water, 43- biological rope filler, 44- aeration tube, 45- water purification outlet, 46-
Resin filter.
Specific embodiment
Embodiment 1
As shown in Fig. 2, a kind of washing active carbon system, including the subsystem that makes up a prescription, washing subsystem, the cooling subsystem of water storage
System, purifying subsystem, post-processing discharge subsystem, and the electric appliance intelligence semiautomatic control for controlling entire washing system operation
Subsystem；
As shown in Figure 1, the subsystem that makes up a prescription includes for storing the water tank 1 of tap water, the drug storage for storing cleaning solution
Tank 2, cleaning solution are hydrochloric acid solution, are connected to the mixed medicinal cupping 3 of 2 lower section of water tank 1 and medicine storing pot, are used for tap water and cleaning solution
It is pre-mixed；Mixed medicinal cupping 3 includes that internal blender 1 is arranged in, be arranged in mixed 3 top of medicinal cupping water inlet 22 and into
Medicine mouth 23, water inlet 22 are connected with water tank 1, and feeding opening 23 is connected with medicine storing pot 2, and the drug of the bottom of mixed medicinal cupping 3 is arranged in
Mouthfuls 24, water inlet 22, feeding opening 23 are separately installed with electromagnetic flowmeter 25 on medicine outlet 24, are horizontally connected on water inlet 22
Recycle water inlet 26, for 19 filters pressing of plate and frame filter press that flows back treated circulation clear water.
As shown in Figure 1, washing subsystem includes washing tank 4, the charging for adding active carbon is offered at the top of washing tank 4
Mouth 5 is mounted on the dust collection vapour device 6 of 5 top of feed opening, the dosing mouth 7 being connected with mixed medicinal cupping 3, and is connected with liquid level control
The level sensing mouth 9 of device 8 processed；The steam pipe 11 being connected with external steam generator 10 is equipped in the middle part of washing tank 4, for connecting
The temperature detection mouth 13 of temperature control device 12, and equipped with the aeration plate 15 being connected with external aerator 14；4 bottom of washing tank is equipped with
Discharge port 16 and drainage mouth 17；Dust collection vapour device 6 includes cover 33, is connected to the pumping blower 34 of 33 upper end of cover, and
The aluminum foil pipe 35 being connected with pumping blower 34.Active carbon dust when feeding and sour vapour when heating can be detached simultaneously in time
Purified treatment is carried out, working environment is purified, it is more environmentally-friendly.
As shown in Figure 1, water storage cooling subsystem includes cooling device 18, the hot Heisui River for flowing out drainage mouth 17
Carry out heat exchange cooling；Cooling device 18 includes cooling tank 27, is equipped with Heisui River import 28,27 bottom of cooling tank at the top of cooling tank 27
Portion is equipped with Heisui River outlet 29 and temperature monitor 30, the blender 2 31 inside cooling tank 27, and is arranged outside cooling tank 27
The snakelike heat exchange tube 32 in portion, the water inlet of snakelike heat exchange tube 32 are connected with external cooling water source, the water outlet of snakelike heat exchange tube 32
It is connected to water tank 1.It directly dries in the air to cooling temperature relative to traditional, is cooled down by way of inside stirring plus heat exchange,
It not only may be implemented in confined space and carry out, and then prevent sour vapour evolution pollution working environment, be also substantially shorter cooling time,
And the hot water water of cooling heat transferring can send water tank 1 back to and utilize again.
As shown in Figure 1, purifying subsystem includes the plate and frame filter press 19 for being connected to cooling device 18, it is used for Heisui River
Filters pressing is clear water, then is pumped to mixed medicinal cupping 3；
As shown in Figure 1, post-processing discharge subsystem include bio-aeration tower 41, and with cooling device 18, dust
Collect the connected acid-base neutralization case 20 of vapour device 6, the water outlet of acid-base neutralization case 20 is sent to biology and exposed after 19 filters pressing of plate and frame filter press
Advanced treating is carried out in gas tower 41 to be discharged again.Acid-base neutralization case 20 offers inlet 36 on acid-base neutralization case 20, into vapour
Mouth 37 and liquid outlet 38, inlet 36 are connected with drainage mouth 17, and through insertion aluminum foil pipe 35 in air intake 37, liquid outlet 38 is connected
To plate and frame filter press 19, blender 3 39 and pH detector 40 are equipped in acid-base neutralization case 20.The top of bio-aeration tower 41 is set
There is the tail water import 42 being connected with plate and frame filter press 19, is equipped with biological rope filler 43 and aeration tube 44 in bio-aeration tower 41, exposes
Tracheae 44 is connected with aerator 14, contains iron-loving bacteria in biological rope filler.It is useless by iron-loving bacteria and degradation cleaning active charcoal
Molysite in water.The bottom of bio-aeration tower 41 is equipped with water purification outlet 45, is equipped with resin filter 46 in water purification outlet 45.It utilizes
The microorganism loaded on biological rope filler 43 carries out deep purifying to last tail water, carries out finally by resin filter 46
Filter absorption, is finally reached discharge standard.
Electric appliance intelligence Semi-automatic control system energy Semi-automatic control system in the present embodiment is mainly to entire technique
The control of operating process, by all types of solenoid valves, all types of motor-driven valves, PH controller, all kinds of magnetic double level gauges, two position
It controls floating ball and thumb switch, all types of acid and alkali-resistance water pumps, temperature controller, all types of control cabinets (controls journey containing programmable PLC
Sequence) etc. composition there is man-machine safety so that entire process flow operation reaches intelligent control, it is more scientific, operate conveniently, it is laborsaving
The advantages that.
The process flow of washing active carbon is carried out using washing active carbon system, comprising the following steps:
S1: mixed medicinal cupping 3 introduces tap water and cleaning solution from water tank 1 and medicine storing pot 2 respectively, and being configured to concentration is
The acid solution of 14wt%, then acid solution is added in washing tank 4, active carbon, final active carbon and acid are added from feed opening 5
The volume ratio of solution is 1:2.5, is passed through into washing tank 4 and is steam heated to 90 DEG C, while being filled with high pressure sky using aeration plate 15
Gas is sufficiently stirred, and the flying dust for the generation that feeds and thermogenetic sour vapour is added to lead to by dust collection vapour device 6 containing alkaline
The acid-base neutralization case 20 of neutralizer；
S2: the single wash time maintains 30min, opens drainage mouth 17 and the useless Heisui River of washing is drained in cooling tank 27, interior
Portion is stirred continuously by blender 1, increases the heat transfer rate with the chilled water of external snakelike heat exchange tube 32, after heat exchange
Chilled water flow to water tank 1 and is utilized again；
S3: when Heisui River of giving up in cooling tank 27 is cooled to 40 DEG C, useless Heisui River is drained in plate and frame filter press 19 and is squeezed
Useless Heisui River is converted to recycling clear water by press filtration, and water will be asked to drain into mixed medicinal cupping 3 from circulation water inlet 26 and recycled
It utilizes；
S4: repeated washing, total duration 15h will when the waste water of last time washing is cooled to 40 DEG C through cooling tank 27
Waste water, which is drained in acid-base neutralization case 20, carries out acid-base neutralization, until pH=7, then the waste water after neutralization is squeezed through plate and frame filter press 19
Press filtration becomes neutral clear water；
S5: neutral clear water is led in bio-aeration tower 41, comes into full contact with 5h with biological rope filler 43, and pass through aeration tube
44 carry out aeration oxygen supply, degrade in water containing molysite and organic matter, finally by the resin that water purification outlet 45 is arranged in
Filter 46 is discharged after being absorbed and filter.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, the difference is that:
The cleaning solution is made of citric acid, phosphoric acid, acidic amino acid liquid according to mass percent for 15:10:3, pH
=1-2.Not volatile compared to traditional hydrochloric acid solution relatively friendly to human body, a small amount of acidic amino acid liquid, which is added, can be improved
The cleaning dynamics of activated carbon surface.
According to GB examination criteria to the embodiment of the present invention 1, embodiment 2 and comparative example 1 (traditional handicraft), comparative example 2
The active carbon of (system and technique of Publication No. CN201310466389.4) production has carried out performance detection, and the tail of discharge
Water has carried out pollution detection up to standard.Detection method is selective examination, and the sample size of two groups of tests is 100, to its average qualification
Rate is tested and assessed, and evaluating result is as shown in table 1:
Table 1
The present invention is not limited to above-mentioned specific embodiment, those skilled in the art from the above idea,
Without creative labor, made various transformation are within the scope of the present invention.
Claims (9)
1. a kind of washing active carbon system, which is characterized in that including the subsystem that makes up a prescription, washing subsystem, water storage cooling subsystem,
Purifying subsystem, post-processing discharge subsystem, and electric appliance intelligence semiautomatic control for controlling entire washing system operation
System；
The subsystem that makes up a prescription include for storing the water tank of tap water (1), the medicine storing pot (2) for storing cleaning solution, even
The mixed medicinal cupping (3) below water tank (1) and medicine storing pot (2) is connect, for tap water and cleaning solution to be pre-mixed；
The washing subsystem includes washing tank (4), and the feed opening for adding active carbon is offered at the top of the washing tank (4)
(5), the dust collection vapour device (6) being mounted on above the feed opening (5), the dosing mouth (7) being connected with the mixed medicinal cupping (3),
And it is connected with the level sensing mouth (9) of fluid level control device (8)；Washing tank (4) middle part is equipped with and external steam generator
(10) connected steam pipe (11) for connecting the temperature detection mouth (13) of temperature control device (12), and is equipped with and external is aerated
The connected aeration plate (15) of machine (14)；Washing tank (4) bottom is equipped with discharge port (16) and drainage mouth (17)；
Water storage cooling subsystem includes cooling device (18), for changing the hot Heisui River that the drainage mouth (17) is flowed out
Heat drop temperature；
The purifying subsystem includes the plate and frame filter press (19) for being connected to the cooling device (18), for pressing Heisui River
Filter is clear water, then is pumped to mixed medicinal cupping (3)；
Post-processing discharge subsystem includes bio-aeration tower (41), and with the cooling device (18), the collection
The water outlet of the connected acid-base neutralization case (20) of dirt collection vapour device (6), the acid-base neutralization case (20) is pressed through plate and frame filter press (19)
After filter, progress advanced treating is sent into the bio-aeration tower (41) to be discharged again.
2. a kind of washing active carbon system as described in claim 1, which is characterized in that the mixed medicinal cupping (3) includes that setting exists
Water inlet (22) and feeding opening (23) at the top of mixed medicinal cupping (3), the water inlet (22) is arranged in internal blender one (21)
It is connected with the water tank (1), the feeding opening (23) is connected with the medicine storing pot (2), is arranged in the bottom of mixed medicinal cupping (3)
Medicine outlet (24), the water inlet (22), feeding opening (23) are separately installed with electromagnetic flowmeter (25) on medicine outlet (24), into
Be horizontally connected on the mouth of a river (22) circulation water inlet (26), for the plate and frame filter press (19) filters pressing that flows back treated circulation
Clear water.
3. a kind of washing active carbon system as described in claim 1, which is characterized in that the cooling device (18) includes
Cooling tank (27), cooling tank (27) top are equipped with Heisui River import (28), and cooling tank (27) bottom is equipped with Heisui River outlet (29) and temperature
It spends detector (30), the internal blender two (31) of cooling tank (27), and the snakelike heat exchange that setting is external in cooling tank (27)
It manages (32), the water inlet of the snakelike heat exchange tube (32) is connected with external cooling water source, and the water outlet of snakelike heat exchange tube (32) connects
It is connected to the water tank (1).
4. a kind of washing active carbon system as described in claim 1, which is characterized in that the dust collection vapour device (6) includes
Cover (33) is connected to the pumping blower (34) of the cover (33) upper end, and the aluminium being connected with pumping blower (34)
Foil pipe (35).
5. a kind of washing active carbon system as described in claim 1, which is characterized in that the dust collection vapour device (6) includes
Cover (33) is connected to the pumping blower (34) of the cover (33) upper end, and the aluminium being connected with pumping blower (34)
Foil pipe (35).
6. a kind of washing active carbon system as described in claim 1, which is characterized in that the acid-base neutralization case (20) is described
Offer inlet (36), air intake (37) and liquid outlet (38) on acid-base neutralization case (20), the inlet (36) with it is described
Drainage mouth (17) is connected, and through the aluminum foil pipe (35) is inserted into the air intake (37), the liquid outlet (38) is connected to institute
It states plate and frame filter press (19), blender three (39) and pH detector (40) is equipped in acid-base neutralization case (20).
7. a kind of washing active carbon system as described in claim 1, which is characterized in that the top of the bio-aeration tower (41)
Equipped with the tail water import (42) being connected with the plate and frame filter press (19), biological rope filler (43) are equipped in bio-aeration tower (41)
With aeration tube (44), the aeration tube (44) is connected with the aerator (14), and the bottom of bio-aeration tower (41) is equipped with water purification
It exports (45), is equipped with resin filter (46) in the water purification outlet (45).
8. a kind of washing active carbon system as described in claim 1, which is characterized in that contain thermophilic iron in the biological rope filler
Bacterium.
9. require washing active carbon system described in any one of 1-8 to carry out the process flow of washing active carbon in exploitation right,
It is characterized in that, comprising the following steps:
S1: the mixed medicinal cupping (3) introduces tap water and cleaning solution from the water tank (1) and medicine storing pot (2) respectively, is configured to
Concentration is the acid solution of 12-15wt%, then the acid solution is added in the washing tank (4), from the feed opening (5)
The volume ratio of addition active carbon, final active carbon and acid solution is 1:2-3, is passed through in washing tank (4) and is steam heated to 90-
100 DEG C, while being filled with pressure-air using the aeration plate (15) and being sufficiently stirred, the flying dust for the generation that feeds and heating produce
Raw sour vapour leads to the acid-base neutralization case (20) containing alkaline neutralizer by dust collection vapour device (6)；
S2: the single wash time maintains 20-30min, opens the drainage mouth (17) for the useless Heisui River of washing and is drained to cooling tank
(27) in, inside is stirred continuously by blender one (21), increases the heat transfer rate with the chilled water of external snakelike heat exchange tube (32),
Chilled water after heat exchange flow to water tank (1) and is utilized again；
S3: when Heisui River of giving up in cooling tank (27) is cooled to 40-45 DEG C, useless Heisui River is drained in the plate and frame filter press (19)
Extruding filtering is carried out, useless Heisui River is converted into recycling clear water, and ask water to draw from the circulation water inlet (26) by described in
It flows in mixed medicinal cupping (3) and recycles；
S4: the waste water of last time washing is cooled to 40-45 DEG C through cooling tank (27) by repeated washing, total duration 10-20h
When, waste water is drained in acid-base neutralization case (20) and carries out acid-base neutralization, until pH=7, then by the waste water after neutralization through sheet frame pressure
Filter (19), which squeezes filtering, becomes neutral clear water；
S5: the neutral clear water being led in the bio-aeration tower (41), comes into full contact with 4-6h with biological rope filler (43), and
Aeration oxygen supply is carried out by aeration tube (44), is degraded in water containing molysite and organic matter, finally by setting in water purification
The resin filter (46) of outlet (45) is discharged after being absorbed and filter.
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| CN201910436542.6A CN110255562B (en) | 2019-05-23 | 2019-05-23 | Activated carbon washing system and washing process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023728A (en) * | 2021-04-01 | 2021-06-25 | 山西新华活性炭有限公司 | Preparation method of PNP carbon |
| CN113275306A (en) * | 2021-04-19 | 2021-08-20 | 龙岩市华研活性炭科技有限公司 | Dynamic rotational flow active carbon pickling machine |
| CN114073943A (en) * | 2021-11-25 | 2022-02-22 | 宁夏锦鹏炭业有限公司 | Powdered activated carbon regeneration device based on airflow heating and regeneration process thereof |
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| CN103539112A (en) * | 2013-10-09 | 2014-01-29 | 中国科学院城市环境研究所 | Acid pickling process and acid pickling system for active carbon |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023728A (en) * | 2021-04-01 | 2021-06-25 | 山西新华活性炭有限公司 | Preparation method of PNP carbon |
| CN113275306A (en) * | 2021-04-19 | 2021-08-20 | 龙岩市华研活性炭科技有限公司 | Dynamic rotational flow active carbon pickling machine |
| CN114073943A (en) * | 2021-11-25 | 2022-02-22 | 宁夏锦鹏炭业有限公司 | Powdered activated carbon regeneration device based on airflow heating and regeneration process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110255562B (en) | 2023-04-25 |
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