CN105396324B - Starch sugar decoloration system and technology - Google Patents
Starch sugar decoloration system and technology Download PDFInfo
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- CN105396324B CN105396324B CN201510861133.2A CN201510861133A CN105396324B CN 105396324 B CN105396324 B CN 105396324B CN 201510861133 A CN201510861133 A CN 201510861133A CN 105396324 B CN105396324 B CN 105396324B
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Abstract
The invention relates to a starch sugar decoloration system and technology. New saccharification liquid enters a decoloration reaction tank for decoloration after being added with new activated carbon through a mixer, and the decolorized saccharification liquid enters a buffer tank and is fed into a first activated carbon filter machine through a conveying pump to be filtered; when the pressure of the first activated carbon filer machine is increased to 0.2 MPa, the new saccharification liquid enters the first activated carbon filer machine at first for predecoloration, is added with new activated carbon, enters the decoloration reaction tank for decoloration again, and then enters a second activated carbon filter machine to be filtered; when the pressure of the first activated carbon filter machine is increased to 0.4 MPa, the machine is stopped, and waste carbon is discharged; the new saccharification liquid enters a second activated carbon filter machine at first for predecoloration, and is added with new activated carbon, decolorized, and filtered through a third activated carbon filter machine; the second activated carbon filter machine is stopped, and waste carbon is discharged; the third activated carbon filter machine is adopted for predecoloration, new activated carbon is added for decoloration again, and the first activated carbon filter machine is used for filtering. Continuous operation can be achieved by adopting only one decoloration reaction tank, the automation degree is high, and the labor intensity of workers is low.
Description
Technical field
The present invention relates to a kind of starch sugar decolouring system, the invention further relates to a kind of starch sugar decoloration process, belongs to starch
Sugared technical field of processing equipment.
Background technology
Starch sugar in process, needs to be decolourized using activated carbon.The traditional decoloration process in starch sugar refinery is adopted
Three decoloring reaction tanks decolourize, using batch feed, decoloring reaction tank charging, decoloring reaction tank reaction, one take off
Colour response tank discharges.In decoloring reaction tank, the pigment in syrup is tightly held by activated carbon, and the activated carbon of adsorpting pigment is entered and filtered
Machine is filtered, and is retained by the stainless steel filtering net in filter, and limpid syrup sugar then passes through filter screen, so as to reach the purpose of decolouring.
It is required for manually participating in switch valve per batch during decolouring, activated carbon adopts Manual material feeding, and high labor intensive, environment is poor；Batch
Production, the surge tank quantity of needs is more, and adding proportion can not be automatically adjusted.
The content of the invention
The primary and foremost purpose of the present invention is to overcome problems of the prior art, there is provided a kind of starch sugar decolouring system,
Flow process is simple and direct, and decolorization filtering is thorough.
To solve above technical problem, a kind of starch sugar decolouring system of the present invention, including it is activated carbon storehouse, blender, de-
Colour response tank, surge tank, delivery pump, the first activated carbon filter, the second activated carbon filter and the 3rd activated carbon filter；Sugar
The outlet for changing liquid feed pipe is connected with the saccharified liquid entrance of the blender, activated carbon entrance and the activity of the blender
The outlet connection in charcoal storehouse, the mixed export of the blender is connected by elephant trunk with the top entry of the decoloring reaction tank, institute
The outlet at bottom for stating decoloring reaction tank is connected with the entrance of the surge tank side wall upper part, the outlet at bottom of the surge tank and institute
State the entrance connection of delivery pump, the outlet of the delivery pump is connected with house steward is filtered, it is described filter house steward respectively with first and second,
Three strainer valves connect, and the outlet of first, second and third strainer valve is connected respectively with first, second and third charging visor, described first,
2nd, the outlet of three charging visors is connected respectively with the bottom charging aperture of first, second and third activated carbon filter；Described first and second,
The top overfall of three activated carbon filters is connected respectively with the entrance of first, second and third overflow valve, first, second and third overflow valve
Outlet is connected respectively with first, second and third overflow visor, and the outlet of the first, second and third overflow visor flows back respectively with saccharified liquid
House steward connects, and the outlet of the saccharified liquid return header is connected with the refluxing opening at the top of the surge tank；First, second and third is active
The middle part discharging opening of charcoal filter is separately installed with first, second and third discharging visor, the outlet of the first, second and third discharging visor
Be connected to first, second and third reflux inlet, the outlet of first, second and third reflux inlet respectively with the saccharified liquid return header
Connection；The outlet of the first, second and third discharging visor is also respectively by first, second and third outlet valve and saccharified liquid discharge nozzle company
Connect.
Relative to prior art, the present invention achieves following beneficial effect：When initially coming into operation, the first activated carbon is filtered
Machine works, and the second activated carbon filter and the 3rd activated carbon filter are not devoted oneself to work, all valve closings.
The first strainer valve and the first overflow valve are opened, the first outlet valve is closed；New saccharified liquid flows out from saccharified liquid feed pipe
Into the saccharified liquid entrance of blender, new activated carbon is discharged into the activated carbon entrance of blender from the outlet in activated carbon storehouse, sugar
After change liquid and new activated carbon mix in a mixer, elephant trunk is entered from the mixed export of blender, from elephant trunk decoloring reaction is entered
Tank, flows from top to bottom on one side in decoloring reaction tank, while being decolourized to saccharified liquid using the adsorption of activated carbon, takes off
Saccharified liquid after color enters surge tank, is extracted out from surge tank into house steward is filtered, from the first strainer valve Jing first by delivery pump
Charging visor enters the first activated carbon filter, and in the first activated carbon filter, liquid level is gradually increasing, until submergence is filtered
Net, flows out, when the top overfall of the first activated carbon filter has syrup stream from the top overfall of the first activated carbon filter
When going out, the first reflux inlet is opened, close the first overflow valve, now saccharified liquid flows back through drainage screen；Active carbon powder is filtered
Net retention, the initial stage has a small amount of active carbon powder and passes through drainage screen, amount of activated charcoal is can be appreciated that in the first discharging visor, so entering
Row backflow, the saccharified liquid for flowing back out returned in surge tank by saccharified liquid return header, again Jing delivery pumps, filtration house steward, the
One strainer valve, the first charging visor are filtered into the first activated carbon filter.
When activated carbon forms filtering layer no longer through drainage screen on drainage screen, the first discharging visor observes limpid saccharifying
During liquid, the first reflux inlet is closed, open the first outlet valve, limpid saccharified liquid flows out from the first outlet valve, goes out into saccharified liquid
Expects pipe, enters back into next workshop section.
As the improvement of the present invention, saccharified liquid straight-through valve is installed on the saccharified liquid feed pipe, the saccharified liquid leads directly to
The outlet of valve is connected with the saccharified liquid entrance of the blender；The entrance of the saccharified liquid straight-through valve also enters with pre- decolouring main valve
Mouth connection, the outlet of the pre- decolouring main valve is connected with pre- decolouring house steward, and the pre- decolouring house steward is pre- with first, second and third respectively
The entrance connection of decolouring valve, the outlet of the first, second and third pre- decolouring valve connects respectively with described first, second and third charging visor
Connect；The entrance that the outlet of the first, second and third discharging visor also decolourizes again valve with first, second and third respectively is connected, described first,
2nd, three outlets for decolourizing valve again are connected respectively with house steward of decolourizing again, and the outlet of the house steward of decolourizing again is connected with the main valve that decolourizes again,
The outlet of the main valve that decolourizes again is connected with the saccharified liquid entrance of the blender.
Saccharified liquid straight-through valve is opened, pre- decolouring main valve is closed, the first activated carbon filter is entered and filtered, with entering for filtering
OK, the useless carbon filtering layer progressive additive of the first activated carbon filter, flow resistance is increased, and the pressure of the first activated carbon filter is gradually
Raise.
When the pressure rise of the first activated carbon filter is to 0.2MPa, the first activated carbon filter and second active is changed to
Charcoal filter is used in series, and the first activated carbon filter is decolourized in advance using useless carbon, is then added new activated carbon and is decolourized again, by second
Activated carbon filter is filtered.
Close saccharified liquid straight-through valve, the first inlet valve and the first outlet valve, open pre- decolouring main valve, the first pre- decolouring valve,
First decolourizes again valve, the main valve that decolourizes again, the second strainer valve and the second overflow valve, new saccharified liquid by pre- decolouring main valve, pre- decolourize
House steward and the first pre- decolouring valve enter the first activated carbon filter, using the useless carbon filtering layer of the first activated carbon filter to new saccharifying
Liquid carries out pre- decolouring, and pre- decolouring saccharified liquid is exited into and decolourize again house steward from first valve that decolourizes again, and the Jing main valves that decolourize again enter mixed
The saccharified liquid entrance of clutch, with new activated carbon elephant trunk is entered after blender mixes, and is taken off into decoloring reaction tank from elephant trunk
Colour response, the saccharified liquid after decolouring enters surge tank, is extracted out from surge tank into house steward is filtered by delivery pump, filters from second
The charging visors of valve Jing second enter the second activated carbon filter, and in the second activated carbon filter, liquid level is gradually increasing, until leaching
No drainage screen, flow out from the top overfall of the second activated carbon filter, when the top overfall of the second activated carbon filter has
When syrup flows out, the second reflux inlet is opened, close the second overflow valve, now saccharified liquid flows back through drainage screen；Active carbon powder
Retained by drainage screen, the initial stage has a small amount of active carbon powder and passes through drainage screen, and in the second discharging visor amount of activated charcoal is can be appreciated that,
The saccharified liquid for flowing back out is returned in surge tank by saccharified liquid return header, and again Jing delivery pumps, filtration house steward, second are filtered
Valve, the second charging visor are filtered into the second activated carbon filter.
After the second discharging visor observes limpid saccharified liquid, the second reflux inlet is closed, open the second outlet valve, it is limpid
Saccharified liquid flow out from the second outlet valve, into saccharified liquid discharge nozzle, enter back into next workshop section.
The present invention makes full use of the decoloring ability of useless carbon, and only with a decoloring reaction tank continuous operation can be just realized,
High degree of automation, labor strength is low.
Used as the improvement of the present invention, the compressed air mouth at the top of first, second and third activated carbon filter is respectively by the
First, two, three air cocks are connected with compressed air hose, and the entrance of the first, second and third charging visor is also respectively with first, second and third
The entrance connection of exhaust-valve, the outlet of first, second and third exhaust-valve is connected respectively with saccharified liquid evacuated tube, the saccharified liquid
The outlet of evacuated tube is connected respectively with the emptying entrance at the top of the surge tank.
When the pressure rise of the first activated carbon filter is to 0.4MPa, needs quit work and carry out waste discharge carbon cleaning, this
The activated carbon filters of Shi Gaiwei second and the 3rd activated carbon filter are used in series, and the second activated carbon filter is pre- de- using useless carbon
Color, then adds new activated carbon and decolourizes again, is filtered by the 3rd activated carbon filter.Close the first pre- decolouring valve and first to decolourize again
Valve, opens the first air cock and first emptying valve, and compressed air enters the first activated carbon mistake from compressed air hose, the first air cock
Filter, saccharified liquid is all extruded from first emptying valve, and Jing saccharified liquid evacuated tubes are returned in surge tank.
Used as the improvement of the present invention, the carbon mouth that unloads of the first, second and third activated carbon filter bottom is separately installed with the
First, two, three carbon valve is unloaded, described first, second and third outlet for unloading carbon valve is connected respectively with useless carbon house steward；Described first, second and third lives
Rinse mouth at the top of property charcoal filter is connected respectively by first, second and third purge valve with clear water pipe.In first activated carbon filter
Saccharified liquid emptying after, close the first air cock and first emptying valve, the vibrating mechanism carried using filter is by useless carbon filtering layer
Shake de-, open and first unload carbon valve and the first purge valve, useless carbon is unloaded into carbon valve from first and is discharged into useless carbon house steward, at the same clear water from
Clear water pipe and the first purge valve enter that filter gauze cleaning is clean, are then shut off first and unload carbon valve and the first purge valve, and first is active
Charcoal filter enters holding state.
As the improvement of the present invention, heat exchanger is additionally provided with, the cold side input port of the saccharified liquid feed pipe and the heat exchanger
Connection, the cold side outlet port of the heat exchanger be connected with the entrance of the saccharified liquid straight-through valve, the cold side input port of the heat exchanger and
Saccharified liquid bypass valve is provided between cold side outlet port, the hot side import of the heat exchanger is connected with steam pipe, the heat of the heat exchanger
Side outlet is connected by steam trap with condensate pipe.In heat exchanger, indirectly heat can be carried out to saccharified liquid by steam, be carried
High-temperature.
As the improvement of the present invention, feed flow meter is installed on the saccharified liquid feed pipe, the feed flow meter
Outlet is provided with charging main valve, and the outlet of the charging main valve is connected with the cold side input port of the heat exchanger.New activated carbon adds
Plus flow rates controlled, in the saccharifying flow quantity of feed flow meter, saccharified liquid flow rates controlled is in the aperture of charging main valve.
Used as the improvement of the present invention, the bottom in the activated carbon storehouse is provided with activated carbon discharging spiral, the activated carbon discharging
The outlet of spiral is connected with the activated carbon entrance of the blender, is connected with pulse dust collector at the top of the activated carbon storehouse, institute
The outlet for stating pulse dust collector is connected with dedusting fan, and the upper portion side wall in the activated carbon storehouse is provided with activated carbon storehouse charging aperture, institute
State activated carbon storehouse charging aperture to be connected with the outlet of activated carbon cast hopper.Open dedusting fan and negative pressure is formed in activated carbon storehouse, newly
Activated carbon enters activated carbon cast hopper from activated carbon supply mouth, then enters activated carbon storehouse charging aperture, dust from activated carbon cast hopper
Removed by pulse dust collector, activated carbon discharging spiral controls the addition flow of new activated carbon；Using negative pressure transportation activated carbon, it is ensured that
Sugared workshop hygiene is clean and tidy；Activated carbon adds automatically, realizes syrup inlet amount and amounts of activated carbon automatic mixing, the quality of stable sugar.
Used as the improvement of the present invention, the middle part of the blender is cylindrical tube, the top seal of the cylindrical tube and
Be connected with the blender activated carbon entrance, the diameter parallel of the blender activated carbon entrance in and deviate the cylindrical tube
Axis；The blender saccharified liquid entrance is tangentially connected in the circumferential wall of the cylindrical tube, and blender sugar
Change the lower end that liquid entrance is directed at the blender activated carbon entrance.Activated carbon is dropped down onto from the top down in blender, and saccharified liquid is from cutting
To blender is entered, the tunnel wall type along blender is sufficiently mixed into circulation with activated carbon, and activated carbon will not be bonded in blender
On barrel or elephant trunk.
As the improvement of the present invention, be provided with multiple tracks decolouring dividing plate in the decoloring reaction tank from top to bottom, per pass decolourize every
Multiple through holes, and the center of per pass decolouring dividing plate are evenly distributed with plate to lower recess, and the top difference of per pass decolouring dividing plate
Stirrer paddle is provided with, each stirrer paddle is separately fixed on shaft, and the shaft is coaxial with the decoloring reaction tank
Line, the upper end of the shaft is stretched out the top of decoloring reaction tank and is connected with stirring driving machine structure, the decoloring reaction tank
Top by being connected with the top of the surge tank communicating pipe.The center of per pass decolouring dividing plate is to lower recess, it is ensured that saccharified liquid
First in first out, and due to the agitation of stirrer paddle, activated carbon will not be precipitated in saccharified liquid.Decolouring can be made anti-communicating pipe
Tank is answered to keep balance with the pressure in surge tank, it is ensured that the smooth flow of saccharified liquid.
It is a further object of the invention to provide a kind of utilization starch sugar decolouring system carries out the technique of starch sugar decolouring,
Flow process is simple and direct, and decolorization filtering is thorough.
The utilization starch sugar decolouring system of the present invention carries out the technique of starch sugar decolouring, in turn includes the following steps：(1)
One activated carbon filter overflow：Newly the blended device of saccharified liquid adds after new activated carbon and mixing, decolourizes into decoloring reaction tank, takes off
Saccharified liquid after color enters surge tank, is pumped into the first activated carbon filter by conveying and filters, and the saccharified liquid after filtration is from first
The top overfall of activated carbon filter is outflowed back in surge tank, then Jing conveyings are pumped into the first activated carbon filter and carried out
Filter；(2) the first activated carbon filter backflow：Top overflow is closed when the overflow of the first activated carbon filter discharges, first is opened and is lived
Property charcoal filter middle part backflow, saccharified liquid returned in surge tank；(3) the first activated carbon filter discharging：First activated carbon is filtered
The closing volume when backflow of machine is limpid, opens the middle part discharging of the first activated carbon filter, and limpid saccharified liquid goes out from saccharified liquid
Expects pipe flows out, into next workshop section；First activated carbon filter decolourize in advance, the second activated carbon filter overflow：When the first work
Property charcoal filter pressure rise to 0.2MPa when, close the first activated carbon filter middle part discharging；New saccharified liquid is introduced into
First activated carbon filter carries out pre- decolouring, adds new activated carbon again after pre- decolouring and decolourizes again into decoloring reaction tank, then decolourizes
Saccharified liquid afterwards carries out filtrating overflow into the second activated carbon filter；(5) the second activated carbon filter backflow：Second activated carbon
Top overflow is closed when the overflow of filter discharges, the middle part backflow of the second activated carbon filter is opened, saccharified liquid returns to buffering
In tank；(6) the second activated carbon filter discharging：The closing volume when backflow of the second activated carbon filter is limpid, opens second active
The middle part discharging of charcoal filter, limpid saccharified liquid flows out from saccharified liquid discharge nozzle, into next workshop section；(7) the first activated carbon mistake
Filter row's carbon, the second activated carbon filter decolourize in advance, the 3rd activated carbon filter overflow：When the pressure of the first activated carbon filter
Shutting down when being increased to 0.4MPa carries out waste discharge carbon and cleans；New saccharified liquid is introduced into the second activated carbon filter carries out pre- decolouring,
Add new activated carbon again after pre- decolouring to decolourize again into decoloring reaction tank, then the saccharified liquid after decolourizing is filtered into the 3rd activated carbon
Machine carries out filtrating overflow；(8) the 3rd activated carbon filter backflow：Close top when the overflow of the 3rd activated carbon filter discharges to overflow
Stream, opens the middle part backflow of the 3rd activated carbon filter, and saccharified liquid is returned in surge tank；(9) the 3rd activated carbon filter discharging：
The closing volume when backflow of the 3rd activated carbon filter is limpid, opens the middle part discharging of the 3rd activated carbon filter, limpid sugar
Change liquid to flow out from saccharified liquid discharge nozzle, into next workshop section；(10) the second activated carbon filter row carbon, the 3rd activated carbon filter are pre-
Decolouring, the first activated carbon filter overflow, backflow, discharging：Stop when the pressure rise of the second activated carbon filter is to 0.4MPa
Machine carries out waste discharge carbon and cleans；New saccharified liquid is introduced into the 3rd activated carbon filter carries out pre- decolouring, adds new again after pre- decolouring
Activated carbon decolourizes again into decoloring reaction tank, then the saccharified liquid after decolourizing carries out filtrating overflow into the first activated carbon filter,
Then repeat step is (2) with step (3)；3rd activated carbon filter row carbon, the first activated carbon filter decolourize in advance, it is second active
Charcoal filter overflow, backflow, discharging：Shutting down when the pressure rise of the 3rd activated carbon filter is to 0.4MPa carries out waste discharge carbon simultaneously
Cleaning；New saccharified liquid is introduced into the first activated carbon filter carries out pre- decolouring, adds new activated carbon again after pre- decolouring and enters decolouring
Retort is decolourized again, then the saccharified liquid after decolourizing carries out filtrating overflow into the second activated carbon filter, and then repeat step is (5)
Below.
Relative to prior art, the present invention achieves following beneficial effect：The present invention by the first activated carbon filter, the
Switching between two activated carbon filters and the 3rd activated carbon filter, makes full use of the decoloring ability of useless carbon, only with one
Decoloring reaction tank can just realize continuous operation, and high degree of automation, labor strength is low.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation, accompanying drawing only provide with reference to
Illustrate to use, be not used to limit the present invention.
Fig. 1 is the flow chart of starch sugar decolouring system of the present invention.
Fig. 2 is the front view of blender in Fig. 1.
Fig. 3 is the top view of Fig. 2.
In figure：1. heat exchanger；2. activated carbon cast hopper；3. activated carbon storehouse；3a. activated carbons discharging spiral；3b. pulse dust removals
Device；4. blender；4a. blender saccharified liquid entrances；4b. blender activated carbon entrances；4c. blender mixed exports；5. decolourize
Retort；5a. decolouring dividing plates；5b. stirrer paddles；5c. shafts；5d. stirring driving machine structures；6. surge tank；
7. the first activated carbon filter；V7a. first emptying valve；V7b. the first strainer valve；V7c. the first pre- decolouring valve；
V7d. the first overflow valve；V7e. the first reflux inlet；V7f. the first outlet valve；V7g. first decolourizes again valve；V7h. the first purge valve；
V7j. the first air cock；V7k. first carbon valve is unloaded；M7a. first visor is fed；M7b. the first overflow visor；M7c. the first discharging
Visor；
8. the second activated carbon filter；V8a. second emptying valve；V8b. the second strainer valve；V8c. the second pre- decolouring valve；
V8d. the second overflow valve；V8e. the second reflux inlet；V8f. the second outlet valve；V8g. second decolourizes again valve；V8h. the second purge valve；
V8j. the second air cock；V8k. second carbon valve is unloaded；M8a. second visor is fed；M8b. the second overflow visor；M8c. the second discharging
Visor；
9. the 3rd activated carbon filter；V9a. the 3rd exhaust-valve；V9b. the 3rd strainer valve；V9c. the 3rd pre- decolouring valve；
V9d. the 3rd overflow valve；V9e. the 3rd reflux inlet；V9f. the 3rd outlet valve；V9g. the 3rd decolourizes again valve；V9h. the 3rd purge valve；
V9j. the 3rd air cock；V9k. the 3rd carbon valve is unloaded；M9a. the 3rd visor is fed；M9b. the 3rd overflow visor；M9c. the 3rd discharging
Visor；
10. dedusting fan；B1. delivery pump；Q1. feed flow meter；G1. saccharified liquid feed pipe；G2. steam pipe；G3. it is active
Charcoal feeds mouth；G4. elephant trunk；G5. house steward is filtered；G6. saccharified liquid discharge nozzle；G7. saccharified liquid return header；G8. decolourize in advance house steward；
G9. decolourize again house steward；G10. clear water pipe；G11. compressed air hose；G12. saccharified liquid evacuated tube；G13. give up carbon house steward；G14. connect
Siphunculus；V1. main valve is fed；V2. saccharified liquid bypass valve；V3. saccharified liquid straight-through valve；V4. decolourize in advance main valve；V5. decolourize again main valve.
Specific embodiment
As shown in figure 1, starch sugar decolouring system of the present invention includes activated carbon storehouse 3, blender 4, decoloring reaction tank 5, buffering
Tank 6, delivery pump B1, the first activated carbon filter 7, the second activated carbon filter 8 and the 3rd activated carbon filter 9；Saccharified liquid enters
The outlet of expects pipe G1 is connected with the blender saccharified liquid entrance 4a of blender 4, blender activated carbon entrance 4b and activated carbon storehouse 3
Outlet connection, blender mixed export 4c is connected by elephant trunk G4 with the top entry of decoloring reaction tank 5, decoloring reaction tank 5
Outlet at bottom is connected with the entrance of the side wall upper part of surge tank 6, and the outlet at bottom of surge tank 6 is connected with the entrance of delivery pump B1, defeated
The outlet for sending pump B1 is connected with house steward G5 is filtered.
Filter house steward G5 to be connected with the first strainer valve V7b, the second strainer valve V8b, the 3rd strainer valve V9b respectively, the first mistake
Trap valve V7b, the second strainer valve V8b, the outlet of the 3rd strainer valve V9b feed visor with the first charging visor M7a, second respectively
M8a, the 3rd charging visor M9a connections, the first charging visor M7a, the second charging visor M8a, the outlet of the 3rd charging visor M9a
It is connected with the bottom charging aperture of the first activated carbon filter 7, the second activated carbon filter 8, the 3rd activated carbon filter 9 respectively；
First activated carbon filter 7, the second activated carbon filter 8, the top overfall of the 3rd activated carbon filter 9 overflow respectively with first
Stream valve V7d, the second overflow valve V8d, the entrance connection of the 3rd overflow valve V9d, the first overflow valve V7d, the second overflow valve V8d, the
The outlet of three overflow valve V9d is connected respectively with the first overflow visor M7b, the second overflow visor M8b, the 3rd overflow visor M9b, the
One overflow visor M7b, the second overflow visor M8b, the outlet of the 3rd overflow visor M9b connect respectively with saccharified liquid return header G7
Connect, the outlet of saccharified liquid return header G7 is connected with the refluxing opening at the top of surge tank 6；First activated carbon filter 7, second is active
Charcoal filter 8, the middle part discharging opening of the 3rd activated carbon filter 9 are separately installed with the first discharging visor M7c, the second discharging visor
M8c, the 3rd discharging visor M9c, the first discharging visor M7c, the second discharging visor M8c, the outlet difference of the 3rd discharging visor M9c
Be connected with the first reflux inlet V7e, the second reflux inlet V8e, the 3rd reflux inlet V9e, the first reflux inlet V7e, the second reflux inlet V8e,
The outlet of the 3rd reflux inlet V9e is connected respectively with saccharified liquid return header G7；First discharging visor M7c, the second discharging visor
M8c, the outlet of the 3rd discharging visor M9c also pass through respectively the first outlet valve V7f, the second outlet valve V8f, the 3rd outlet valve V9f
It is connected with saccharified liquid discharge nozzle G6.
When initially coming into operation, the first activated carbon filter 7 works, the second activated carbon filter 8 and the 3rd activated carbon mistake
Filter 9 is not devoted oneself to work, all valve closings.
The first strainer valve V7b and the first overflow valve V7d is opened, the first outlet valve V7f is closed；New saccharified liquid enters from saccharified liquid
Expects pipe G1 exits into the saccharified liquid entrance of blender 4, and new activated carbon is discharged into blender 4 from the outlet in activated carbon storehouse 3
After activated carbon entrance, saccharified liquid and new activated carbon mix in blender 4, elephant trunk G4 is entered from the mixed export of blender 4, from
Elephant trunk G4 enters decoloring reaction tank 5, flows from top to bottom on one side in decoloring reaction tank 5, while the absorption using activated carbon is made
With decolourizing to saccharified liquid, the saccharified liquid after decolouring enters surge tank 6, is extracted out from surge tank 6 by delivery pump B1 and was entered
Filter house steward G5, feeds visor M7a and enters the first activated carbon filter 7, in the first activated carbon mistake from the first strainer valve V7b Jing first
In filter 7, liquid level is gradually increasing, until submergence drainage screen, flows out from the top overfall of the first activated carbon filter 7, when the
When the top overfall of one activated carbon filter 7 has syrup to flow out, the first reflux inlet V7e is opened, closes the first overflow valve V7d,
Now saccharified liquid flows back through drainage screen；Active carbon powder is retained by drainage screen, and the initial stage has a small amount of active carbon powder and passed through
Filter screen, in the first discharging visor M7c amount of activated charcoal is can be appreciated that, so being flowed back, the saccharified liquid for flowing back out passes through saccharified liquid
Return header is returned in surge tank, again Jing delivery pumps B1, filtration house steward G5, the first strainer valve V7b, the first charging visor M7a
Filtered into the first activated carbon filter 7.
When activated carbon forms filtering layer no longer through drainage screen on drainage screen, the first discharging visor M7c observes limpid
After saccharified liquid, the first reflux inlet V7e is closed, opens the first outlet valve V7f, limpid saccharified liquid flows out from the first outlet valve V7f,
Into saccharified liquid discharge nozzle G6, next workshop section is entered back into.
Saccharified liquid straight-through valve V3, the outlet of saccharified liquid straight-through valve V3 and the sugar of blender are installed on saccharified liquid feed pipe G1
Change the connection of liquid entrance；The entrance of saccharified liquid straight-through valve V3 is also connected with the entrance of pre- decolouring main valve V4, and pre- decolouring main valve V4's goes out
Mouthful it is connected with pre- decolouring house steward G8, pre- decolouring house steward G8 decolouring valve V7cs pre- with first, the second pre- decolouring valve V8c, the 3rd pre- respectively
The entrance connection of decolouring valve V9c, the first pre- decolouring valve V7c, the second pre- decolouring valve V8c, the outlet difference of the 3rd pre- decolouring valve V9c
It is connected with the first charging visor M7a, the second charging visor M8a, the 3rd charging visor M9a；First discharging visor M7c, second go out
Material visor M8c, the outlet of the 3rd discharging visor M9c also decolourize again with first respectively valve V7g, second decolourize again valve V8g, the 3rd again
Decolouring valve V9g entrance connection, first decolourize again valve V7g, second decolourize again valve V8g, the 3rd decolourize again valve V9g outlet difference
House steward G9 is connected with decolourizing again, then the outlet of the house steward G9 that decolourizes is connected with the main valve V5 that decolourizes again, then the outlet of the main valve V5 that decolourizes with
The saccharified liquid entrance connection of blender.
Saccharified liquid straight-through valve V3 is opened, pre- decolouring main valve V4 is closed, the first activated carbon filter 7 is entered and filtered, with mistake
The carrying out of filter, the useless carbon filtering layer progressive additive of the first activated carbon filter 7, flow resistance is increased, the first activated carbon filter 7
Pressure gradually rises.
When the pressure rise of the first activated carbon filter 7 is to 0.2MPa, it is changed to the first activated carbon filter 7 and second and lives
Property charcoal filter 8 be used in series, the first activated carbon filter 7 is decolourized in advance using useless carbon, and then adding new activated carbon decolourizes again, by
Second activated carbon filter 8 is filtered.
Saccharified liquid straight-through valve V3, the first inlet valve and the first outlet valve V7f are closed, pre- decolouring main valve V4, first pre- is opened
Decolouring valve V7c, first are decolourized again valve V7g, the main valve V5 that decolourizes again, the second strainer valve V8b and the second overflow valve V8d, new saccharified liquid
First activated carbon filter 7 is entered by pre- decolouring main valve V4, pre- decolouring house steward G8 and the first pre- decolouring valve V7c, first is utilized
The useless carbon filtering layer of activated carbon filter 7 carries out pre- decolouring to new saccharified liquid, and pre- decolouring saccharified liquid flows out from the first valve V7g that decolourizes again
Into the house steward G9 that decolourizes again, Jing decolourizes again main valve V5 into the saccharified liquid entrance of blender, mixes in blender with new activated carbon
Elephant trunk G4 being entered afterwards, decoloring reaction being carried out into decoloring reaction tank 5 from elephant trunk G4, the saccharified liquid after decolouring enters surge tank 6, by
Delivery pump B1 is extracted out into filtering house steward G5 from surge tank 6, is fed visor M8a from the second strainer valve V8b Jing second and is entered the
Two activated carbon filters 8, in the second activated carbon filter 8, liquid level is gradually increasing, until submergence drainage screen, active from second
The top overfall of charcoal filter 8 flows out, and when the top overfall of the second activated carbon filter 8 has syrup to flow out, opens the
Two reflux inlets, close the second overflow valve V8d, and now saccharified liquid flows back through drainage screen；Active carbon powder is retained by drainage screen, just
Phase has a small amount of active carbon powder and passes through drainage screen, can be appreciated that amount of activated charcoal in the second discharging visor, the saccharified liquid for flowing back out
Returned in surge tank 6 by saccharified liquid return header G7, again Jing delivery pumps B1, filter house steward G5, the second strainer valve V8b, the
Two charging visor M8a are filtered into the second activated carbon filter 8.
After the second discharging visor M8c observes limpid saccharified liquid, the second reflux inlet V8e is closed, open second and discharge
Valve V8f, limpid saccharified liquid flows out from the second outlet valve V8f, into saccharified liquid discharge nozzle G6, enters back into next workshop section.
First activated carbon filter 7, the second activated carbon filter 8, the compressed air mouth at the top of the 3rd activated carbon filter 9
It is connected with compressed air hose G11 by the first air cock V7j, the second air cock V8j, the 3rd air cock V9j respectively, the first charging
Visor M7a, second charging visor M8a, the 3rd charging visor M9a entrance also respectively with first emptying valve V7a, second emptying valve
The entrance connection of V8a, the 3rd exhaust-valve V9a, first emptying valve V7a, second emptying valve V8a, the outlet point of the 3rd exhaust-valve V9a
It is not connected with saccharified liquid evacuated tube G12, the outlet of saccharified liquid evacuated tube G12 is connected respectively with the emptying entrance at the top of surge tank 6.
When the pressure rise of the first activated carbon filter 7 is to 0.4MPa, needs quit work and carry out waste discharge carbon cleaning, this
Shi Gaiwei the second activated carbon filters 8 and the 3rd activated carbon filter 9 are used in series, and the second activated carbon filter 8 is using useless carbon
It is pre- to decolourize, then add new activated carbon and decolourize again, filtered by the 3rd activated carbon filter 9.Close the first pre- decolouring valve V7c and
Decolouring valve V7g again and again, opens the first air cock V7j and first emptying valve V7a, and compressed air is from compressed air hose G11, first empty
Air valve V7j enters the first activated carbon filter 7, saccharified liquid is all extruded from first emptying valve V7a, Jing saccharified liquid evacuated tubes
G12 is returned in surge tank 6.
First activated carbon filter 7, the second activated carbon filter 8, the carbon mouth that unloads of the bottom of the 3rd activated carbon filter 9 are distinguished
Be provided with first unload carbon valve V7k, second unload carbon valve V8k, the 3rd unload carbon valve V9k, first unload carbon valve V7k, second unload carbon valve V8k,
3rd outlet for unloading carbon valve V9k is connected respectively with useless carbon house steward G13；First activated carbon filter 7, the second activated carbon filter 8,
The rinse mouth at the top of the 3rd activated carbon filter 9 passes through respectively the first purge valve V7h, the second purge valve V8h, the 3rd purge valve
V9h is connected with clear water pipe G10.
After saccharified liquid emptying in first activated carbon filter 7, the first air cock V7j and first emptying valve V7a, profit are closed
The vibrating mechanism carried with filter shakes useless carbon filtering layer de-, opens and first unloads carbon valve V7k and the first purge valve V7h, by useless carbon
Carbon valve V7k is unloaded from first and be discharged into useless carbon house steward G13, while clear water will be filtered from clear water pipe G10 and the first purge valve V7h entrance
Net is cleaned up, and is then shut off first and is unloaded carbon valve V7k and the first purge valve V7h, and the first activated carbon filter 7 enters standby shape
State.
Saccharified liquid feed pipe G1 is connected with the cold side input port of heat exchanger 1, cold side outlet port and the saccharified liquid straight-through valve of heat exchanger 1
The entrance connection of V3, is provided with saccharified liquid bypass valve V2, the hot side of heat exchanger 1 between the cold side input port and cold side outlet port of heat exchanger 1
Import is connected with steam pipe G2, and the hot side outlet of heat exchanger 1 is connected by steam trap with condensate pipe.In heat exchanger 1, can be with
Indirectly heat is carried out to saccharified liquid by steam, temperature is improved.
Feed flow meter Q1 is installed, the outlet of feed flow meter Q1 is provided with charging main valve on saccharified liquid feed pipe G1
V1, the outlet for feeding main valve V1 is connected with the cold side input port of heat exchanger 1.The addition flow rates controlled of new activated carbon is in feed flow meter
The saccharifying flow quantity of Q1, saccharified liquid flow rates controlled is in the aperture of charging main valve V1.
The bottom in activated carbon storehouse is provided with activated carbon discharging spiral 3a, the outlet of activated carbon discharging spiral 3a and the work of blender
Property the connection of charcoal entrance, the top in activated carbon storehouse 3 is connected with pulse dust collector 3b, outlet and the dedusting fan 10 of pulse dust collector 3b
Connection, the upper portion side wall in activated carbon storehouse 3 is provided with activated carbon storehouse charging aperture, and activated carbon storehouse charging aperture goes out with activated carbon cast hopper 2
Mouth connection.
Open dedusting fan 10 and negative pressure is formed in activated carbon storehouse 3, new activated carbon enters activity from activated carbon supply mouth G3
Charcoal cast hopper 2, then activated carbon storehouse charging aperture is entered from activated carbon cast hopper 2, dust is removed by pulse dust collector 3b, and activated carbon goes out
The rotating speed of material spiral 3a is controlled by the saccharifying flow quantity of feed flow meter Q1, and saccharified liquid flow rates controlled is opened in charging main valve V1's
Degree.Activated carbon adds automatically, realizes syrup inlet amount and amounts of activated carbon automatic mixing, the quality of stable sugar.
As shown in Figure 2 and Figure 3, the middle part of blender is cylindrical tube, the top seal of cylindrical tube and is connected with blender
The diameter parallel of activated carbon entrance 4b, blender activated carbon entrance 4b in and deviate cylindrical tube axis；Blender saccharified liquid
Entrance 4a is tangentially connected in the circumferential wall of cylindrical tube, and blender saccharified liquid entrance 4a alignment blender activated carbons
The lower end of entrance 4b.Activated carbon is dropped down onto from the top down in blender, saccharified liquid from blender is tangentially entered, along the barrel of blender
Circulation is formed, is sufficiently mixed with activated carbon, and activated carbon will not be bonded on blender barrel or elephant trunk G4.Decoloring reaction tank 5
Top by being connected with the top of surge tank 6 communicating pipe G14, make decoloring reaction tank 5 keep flat with the pressure in surge tank 6
Weighing apparatus, it is ensured that the smooth flow of saccharified liquid.
It is provided with multiple tracks decolouring dividing plate 5a in decoloring reaction tank 5 from top to bottom, is evenly distributed with per pass decolouring dividing plate 5a many
Individual through hole, and the center of per pass decolouring dividing plate 5a is to lower recess, and it is respectively equipped with stirrer paddle above per pass decolouring dividing plate 5a
5b, each stirrer paddle 5b is separately fixed on shaft 5c, shaft 5c and the coaxial line of decoloring reaction tank 5, and shaft 5c's is upper
Stretch out the top of decoloring reaction tank 5 and be connected with stirring driving machine structure 5d in end.The center of per pass decolouring dividing plate 5a to lower recess,
Ensure the first in first out of saccharified liquid, and due to the agitation of stirrer paddle 5b, activated carbon will not be precipitated in saccharified liquid.
The utilization starch sugar decolouring system of the present invention carries out the technique of starch sugar decolouring, in turn includes the following steps：
(1) the first activated carbon filter overflow：Newly the blended device of saccharified liquid adds after new activated carbon and mixing, into decolouring
Retort 5 is decolourized, and the saccharified liquid after decolouring enters surge tank 6, is sent into the first activated carbon filter 7 by delivery pump B1 and is filtered, mistake
Saccharified liquid after filter is outflowed back in surge tank 6 from the top overfall of the first activated carbon filter 7, then Jing delivery pumps B1 sends into
First activated carbon filter 7 is filtered.
(2) the first activated carbon filter backflow：Top overflow is closed when the overflow of the first activated carbon filter 7 discharges, is opened
The middle part backflow of the first activated carbon filter 7, saccharified liquid is returned in surge tank 6.
(3) the first activated carbon filter discharging：The closing volume when backflow of the first activated carbon filter 7 is limpid, opens first
The middle part discharging of activated carbon filter 7, limpid saccharified liquid flows out from saccharified liquid discharge nozzle G6, into next workshop section.
First activated carbon filter decolourize in advance, the second activated carbon filter overflow：When the pressure of the first activated carbon filter 7
When power is increased to 0.2MPa, the middle part discharging of the first activated carbon filter 7 is closed；New saccharified liquid is introduced into the filtration of the first activated carbon
Machine 7 carries out pre- decolouring, adds new activated carbon again after pre- decolouring and decolourizes again into decoloring reaction tank 5, then the saccharified liquid after decolourizing enters
Entering the second activated carbon filter 8 carries out filtrating overflow.
(5) the second activated carbon filter backflow：Top overflow is closed when the overflow of the second activated carbon filter 8 discharges, is opened
The middle part backflow of the second activated carbon filter 8, saccharified liquid is returned in surge tank 6.
(6) the second activated carbon filter discharging：The closing volume when backflow of the second activated carbon filter is limpid, opens second
The middle part discharging of activated carbon filter 8, limpid saccharified liquid flows out from saccharified liquid discharge nozzle G6, into next workshop section.
First activated carbon filter row carbon, the second activated carbon filter decolourize in advance, the 3rd activated carbon filter overflow：When
The pressure rise of the first activated carbon filter 7 to shutdown during 0.4MPa carries out waste discharge carbon and cleans；New saccharified liquid is introduced into second
Activated carbon filter 8 carries out pre- decolouring, adds new activated carbon again after pre- decolouring and decolourizes again into decoloring reaction tank 5, then after decolourizing
Saccharified liquid carry out filtrating overflow into the 3rd activated carbon filter 9.
(8) the 3rd activated carbon filter backflow：Top overflow is closed when the overflow of the 3rd activated carbon filter 9 discharges, is opened
The middle part backflow of the 3rd activated carbon filter 9, saccharified liquid is returned in surge tank 6.
(9) the 3rd activated carbon filter discharging：The closing volume when backflow of the 3rd activated carbon filter is limpid, opens the 3rd
The middle part discharging of activated carbon filter 9, limpid saccharified liquid flows out from saccharified liquid discharge nozzle G6, into next workshop section.
(10) the second activated carbon filter row carbon, the 3rd activated carbon filter decolourize in advance, the first activated carbon filter overflow, return
Stream, discharging：Shutting down when the pressure rise of the second activated carbon filter 8 is to 0.4MPa carries out waste discharge carbon and cleans；New saccharified liquid
Being introduced into the 3rd activated carbon filter 9 carries out pre- decolouring, adds new activated carbon again after pre- decolouring and takes off again into decoloring reaction tank 5
Color, then the saccharified liquid after decolourizing carries out filtrating overflow into the first activated carbon filter 7, then repeat step is (2) with step (3).
(11) the 3rd activated carbon filter row carbon, the first activated carbon filter decolourize in advance, the second activated carbon filter overflow, return
Stream, discharging：Shutting down when the pressure rise of the 3rd activated carbon filter 9 is to 0.4MPa carries out waste discharge carbon and cleans；New saccharified liquid
Being introduced into the first activated carbon filter 7 carries out pre- decolouring, adds new activated carbon again after pre- decolouring and takes off again into decoloring reaction tank 5
Color, then the saccharified liquid after decolourizing carries out filtrating overflow into the second activated carbon filter 8, then repeat step is (5) following.
The foregoing is only the preferable possible embodiments of the present invention, patent protection model that is non-therefore limiting to the present invention
Enclose.In addition to the implementation, the present invention can also have other embodiment.The skill that all employing equivalents or equivalent transformation are formed
Art scheme, all falls within the protection domain of application claims.The present invention can pass through or using existing without the technical characteristic of description
There is technology to realize, will not be described here.
Claims (10)
1. a kind of starch sugar decolouring system, including activated carbon storehouse, blender and decoloring reaction tank, it is characterised in that：Also include slow
Rush tank, delivery pump, the first activated carbon filter, the second activated carbon filter and the 3rd activated carbon filter；Saccharified liquid feed pipe
Outlet be connected with the saccharified liquid entrance of the blender, the outlet in the activated carbon entrance of the blender and the activated carbon storehouse
Connection, the mixed export of the blender is connected by elephant trunk with the top entry of the decoloring reaction tank, the decoloring reaction
The outlet at bottom of tank is connected with the entrance of the surge tank side wall upper part, the outlet at bottom of the surge tank and the delivery pump
Entrance connects, and the outlet of the delivery pump is connected with house steward is filtered, and the filtration house steward connects respectively with first, second and third strainer valve
Connect, the outlet of first, second and third strainer valve is connected respectively with first, second and third charging visor, first, second and third charging
The outlet of visor is connected respectively with the bottom charging aperture of first, second and third activated carbon filter；The first, second and third activated carbon mistake
The top overfall of filter is connected respectively with the entrance of first, second and third overflow valve, the outlet of first, second and third overflow valve respectively with
First, second and third overflow visor connects, and the outlet of the first, second and third overflow visor is connected respectively with saccharified liquid return header,
The outlet of the saccharified liquid return header is connected with the refluxing opening at the top of the surge tank；First, second and third activated carbon filter
Middle part discharging opening is separately installed with first, second and third discharging visor, and the outlet of the first, second and third discharging visor is connected to
First, second and third reflux inlet, the outlet of first, second and third reflux inlet is connected respectively with the saccharified liquid return header；It is described
The outlet of first, second and third discharging visor is also connected by first, second and third outlet valve respectively with saccharified liquid discharge nozzle.
2. starch sugar decolouring system according to claim 1, it is characterised in that：Sugar is installed on the saccharified liquid feed pipe
Change liquid straight-through valve, the outlet of the saccharified liquid straight-through valve is connected with the saccharified liquid entrance of the blender；The saccharified liquid leads directly to
The entrance of valve is also connected with the entrance of pre- decolouring main valve, and the outlet of the pre- decolouring main valve is connected with pre- decolouring house steward, described pre-
Decolouring house steward is connected respectively with the entrance of first, second and third pre- decolouring valve, the outlet of the first, second and third pre- decolouring valve respectively with
The first, second and third charging visor connection；The outlet of the first, second and third discharging visor also takes off again with first, second and third respectively
The entrance connection of color valve, described first, second and third outlet for decolourizing valve again is connected respectively with house steward of decolourizing again, described to decolourize again always
The outlet of pipe is connected with the main valve that decolourizes again, and the outlet of the main valve that decolourizes again is connected with the saccharified liquid entrance of the blender.
3. starch sugar decolouring system according to claim 1, it is characterised in that：First, second and third activated carbon filter
The compressed air mouth at top is connected respectively by first, second and third air cock with compressed air hose, and first, second and third charging is regarded
The entrance of mirror is also connected with the entrance of first, second and third exhaust-valve respectively, the outlet of first, second and third exhaust-valve respectively with sugar
Change the connection of liquid evacuated tube, the outlet of the saccharified liquid evacuated tube is connected respectively with the emptying entrance at the top of the surge tank.
4. starch sugar decolouring system according to claim 1, it is characterised in that：First, second and third activated carbon filter
The carbon mouth that unloads of bottom is separately installed with first, second and third and unloads carbon valve, described first, second and third unload carbon valve outlet it is total with useless carbon respectively
Pipe connects；Rinse mouth at the top of first, second and third activated carbon filter is respectively by first, second and third purge valve and clear water pipe
Connection.
5. starch sugar decolouring system according to claim 1, it is characterised in that：Heat exchanger is additionally provided with, the saccharified liquid enters
Expects pipe is connected with the cold side input port of the heat exchanger, and the cold side outlet port of the heat exchanger connects with the entrance of the saccharified liquid straight-through valve
Connect, be provided with saccharified liquid bypass valve between the cold side input port and cold side outlet port of the heat exchanger, the hot side import of the heat exchanger with
Steam pipe connects, and the hot side outlet of the heat exchanger is connected by steam trap with condensate pipe.
6. starch sugar decolouring system according to claim 5, it is characterised in that：Be provided with the saccharified liquid feed pipe into
Stream gauge, the outlet of the feed flow meter is provided with charging main valve, outlet and the heat exchanger of the charging main valve
Cold side input port connects.
7. starch sugar decolouring system according to claim 6, it is characterised in that：The bottom in the activated carbon storehouse is provided with activity
Charcoal discharging spiral, the outlet of the activated carbon discharging spiral is connected with the activated carbon entrance of the blender, the activated carbon storehouse
Top be connected with pulse dust collector, the outlet of the pulse dust collector is connected with dedusting fan, the top in the activated carbon storehouse
Side wall is provided with activated carbon storehouse charging aperture, and activated carbon storehouse charging aperture is connected with the outlet of activated carbon cast hopper.
8. starch sugar decolouring system according to any one of claim 1 to 7, it is characterised in that：In the blender
Portion is cylindrical tube, the top seal of the cylindrical tube and is connected with the blender activated carbon entrance, and the blender is lived
Property charcoal entrance diameter parallel in and deviate the axis of the cylindrical tube；The blender saccharified liquid entrance tangentially connects
It is connected in the circumferential wall of the cylindrical tube, and blender saccharified liquid entrance is directed at the lower end of the blender activated carbon entrance.
9. starch sugar decolouring system according to any one of claim 1 to 7, it is characterised in that：The decoloring reaction tank
In be provided with multiple tracks decolouring dividing plate from top to bottom, be evenly distributed with multiple through holes on per pass decolouring dividing plate, and per pass decolouring dividing plate
Center is respectively equipped with stirrer paddle to lower recess above per pass decolouring dividing plate, each stirrer paddle is separately fixed at and stirs
Mix on axle, the shaft and the decoloring reaction tank coaxial line, the top of decoloring reaction tank is stretched out in the upper end of the shaft
And be connected with stirring driving machine structure, the top of the decoloring reaction tank with the top of the surge tank by being connected communicating pipe.
10. the technique that a kind of starch sugar decolouring system of employing claim 9 carries out starch sugar decolouring, it is characterised in that successively
Comprise the steps：
(1) the first activated carbon filter overflow：Newly the blended device of saccharified liquid adds after new activated carbon and mixing, into decoloring reaction
Tank decolourizes, and the saccharified liquid after decolouring enters surge tank, is pumped into the first activated carbon filter by conveying and filters, the saccharifying after filtration
Liquid is outflowed back in surge tank from the top overfall of the first activated carbon filter, then Jing conveyings are pumped into the filtration of the first activated carbon
Machine is filtered；
(2) the first activated carbon filter backflow：Top overflow is closed when the overflow of the first activated carbon filter discharges, first is opened
The middle part backflow of activated carbon filter, saccharified liquid is returned in surge tank；
(3) the first activated carbon filter discharging：The closing volume when backflow of the first activated carbon filter is limpid, opens first active
The middle part discharging of charcoal filter, limpid saccharified liquid flows out from saccharified liquid discharge nozzle, into next workshop section；
First activated carbon filter decolourize in advance, the second activated carbon filter overflow：When the pressure liter of the first activated carbon filter
During up to 0.2MPa, the middle part discharging of the first activated carbon filter is closed；New saccharified liquid is introduced into the first activated carbon filter and enters
Row is pre- to decolourize, and adds new activated carbon again after pre- decolouring and decolourizes again into decoloring reaction tank, then the saccharified liquid after decolourizing enters second
Activated carbon filter carries out filtrating overflow；
(5) the second activated carbon filter backflow：Top overflow is closed when the overflow of the second activated carbon filter discharges, second is opened
The middle part backflow of activated carbon filter, saccharified liquid is returned in surge tank；
(6) the second activated carbon filter discharging：The closing volume when backflow of the second activated carbon filter is limpid, opens second active
The middle part discharging of charcoal filter, limpid saccharified liquid flows out from saccharified liquid discharge nozzle, into next workshop section；
First activated carbon filter row carbon, the second activated carbon filter decolourize in advance, the 3rd activated carbon filter overflow：When first
The pressure rise of activated carbon filter to shutdown during 0.4MPa carries out waste discharge carbon and cleans；New saccharified liquid is introduced into the second activated carbon
Filter carries out pre- decolouring, adds new activated carbon again after pre- decolouring and decolourizes again into decoloring reaction tank, then the saccharified liquid after decolourizing
Filtrating overflow is carried out into the 3rd activated carbon filter；
(8) the 3rd activated carbon filter backflow：Top overflow is closed when the overflow of the 3rd activated carbon filter discharges, the 3rd is opened
The middle part backflow of activated carbon filter, saccharified liquid is returned in surge tank；
(9) the 3rd activated carbon filter discharging：The closing volume when backflow of the 3rd activated carbon filter is limpid, opens the 3rd active
The middle part discharging of charcoal filter, limpid saccharified liquid flows out from saccharified liquid discharge nozzle, into next workshop section；
Second activated carbon filter row carbon, the 3rd activated carbon filter decolourize in advance, the first activated carbon filter overflow, backflow,
Discharging：Shutting down when the pressure rise of the second activated carbon filter is to 0.4MPa carries out waste discharge carbon and cleans；New saccharified liquid is advanced
Entering the 3rd activated carbon filter carries out pre- decolouring, adds new activated carbon again after pre- decolouring and decolourizes again into decoloring reaction tank, then takes off
Saccharified liquid after color carries out filtrating overflow into the first activated carbon filter, and then repeat step is (2) with step (3)；
3rd activated carbon filter row carbon, the first activated carbon filter decolourize in advance, the second activated carbon filter overflow, backflow,
Discharging：Shutting down when the pressure rise of the 3rd activated carbon filter is to 0.4MPa carries out waste discharge carbon and cleans；New saccharified liquid is advanced
Entering the first activated carbon filter carries out pre- decolouring, adds new activated carbon again after pre- decolouring and decolourizes again into decoloring reaction tank, then takes off
Saccharified liquid after color carries out filtrating overflow into the second activated carbon filter, then repeat step (5) below step.
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|---|---|---|---|
| CN201510861133.2A CN105396324B (en) | 2015-12-01 | 2015-12-01 | Starch sugar decoloration system and technology |
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|---|---|---|---|
| CN201510861133.2A CN105396324B (en) | 2015-12-01 | 2015-12-01 | Starch sugar decoloration system and technology |
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| CN105396324B true CN105396324B (en) | 2017-04-26 |
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| US8414706B2 (en) * | 2007-06-21 | 2013-04-09 | Cantine Foraci S.R.L. | Process and plant for producing sugar products from grapes |
| CN202892973U (en) * | 2012-10-30 | 2013-04-24 | 万福生科(湖南)农业开发股份有限公司 | Continuous decoloring device for starch sugar |
| CN102994653A (en) * | 2012-12-10 | 2013-03-27 | 浙江海洋学院普陀科学技术学院 | Saccharification liquid decoloring method |
| CN103007624B (en) * | 2012-12-16 | 2015-11-18 | 西王药业有限公司 | A kind of active carbon for decolorization recycling equipment and production technology |
| CN205323281U (en) * | 2015-12-01 | 2016-06-22 | 迈安德集团有限公司 | Granulose decoloration system |
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