CN110156203A - For the water treatment facilities of power plant and its except carbon control system and control method - Google Patents

Abstract

The present invention provides a kind of water treatment facilities for power plant and its remove carbon control system and control method, the water treatment facilities include for removing the carbon removing device for flowing through the removal of the carbon dioxide in it, the carbon removing device is arranged between the cation resin exchange device and the resin anion (R.A.) exchanger, and its water inlet is connected with the water outlet of the cation resin exchange device, discharge outlet is connected with the water inlet of the resin anion (R.A.) exchanger.In this way, the processing capacity of resin anion (R.A.) exchanger is improved, by being practically free of free carbon dioxide or HCO3- in anion bed treated water, the water processed burden of mixed bed is also alleviated simultaneously；Meanwhile the increase of anion bed water production in periodic mode, reduce regenerative operation, regeneration alkali charge and washing water quantity, so that whole water making device is more reasonable, economical and efficient.

Description

For the water treatment facilities of power plant and its except carbon control system and control method

Technical field

The present invention relates to technical field of sewage, and in particular to a kind of water treatment facilities for power plant.The present invention is also Be related to it is a kind of based on the water treatment facilities except carbon control system and control method.

Background technique

Power plant chemistry Boiler water Feeding System is including pre-processing and except salt treatment, wherein pretreatment mainly uses precipitating, mixes Solidifying, softening and filtration treatment are reached by addition precipitating, flocculation, softening medicament and physical filtering mode and remove suspended matter in water The purpose of equal larger particles impurity；Except salt treatment is using principles such as reverse osmosis, ion-exchange demineralization and electrodialysis, cation bed is utilized (cation resin exchange device), anion bed (resin anion (R.A.) exchanger), mixed bed zwitterion resins exchange device), reverse osmosis unit With the equipment such as electric dialyzator, with the salinity gone in water removal.

Existing water treatment of power plant equipment include the pretreatment unit set gradually according to process flow, cation bed, anion bed and Mixed bed, during processing, the carbon dioxide of a large amount of bicarbonate radicals (HCO3-) and free state that contain in cation bed water outlet (HCO3-+H+===CO2+H2O), it is directly entered anion bed, these untreated titanium dioxide and bicarbonate radical consume greatly The hydroxyl (OH-) in anion bed is measured, anion bed is affected except silicon ability, causes anion bed water production in periodic mode low；Also, the yin-yang bed period Water production gap cannot regenerate greatly simultaneously, and anion bed regenerative operation is frequent, and alkali charge is big, and effluent is big with acid amount, and desalting system is certainly Water consumption is high.

Summary of the invention

The purpose of the present invention is to solve at least one above-mentioned problem, which is by the following technical programs It realizes.

The present invention provides a kind of water treatment facilities for power plant, including what is be sequentially arranged by process upstream to process downstream Pretreatment unit, cation resin exchange device, resin anion (R.A.) exchanger, zwitterion resins exchange device, reverse osmosis unit and Electric dialyzator；

It further include for removing the carbon removing device for flowing through the removal of the carbon dioxide in it, the carbon removing device is arranged in described Between cation resin exchange device and the resin anion (R.A.) exchanger, and its water inlet and the cation resin exchange device Water outlet is connected, and discharge outlet is connected with the water inlet of the resin anion (R.A.) exchanger.

In technical process, through cation resin exchange device, treated is mixed with the water of great amount of carbon dioxide and enters except carbon In device, the absorption and removing of carbon dioxide are carried out in carbon removing device, so that entering resin anion (R.A.) after carbon removal treatment Water in exchanger, the content of carbon dioxide significantly reduce, thus alleviate resin anion (R.A.) exchanger except carbon is born, yin from Anion exchange resin in subtree Ester exchange device is mainly used for removing the anion such as HCO3-, HSiO3-, SO42-, CL- in water, Improve the treatment effeciency of resin anion (R.A.) exchanger；In this way, the processing capacity of resin anion (R.A.) exchanger is improved, pass through It is practically free of free carbon dioxide or HCO3- in anion bed treated water, also alleviates the water processed burden of mixed bed simultaneously；Meanwhile Anion bed water production in periodic mode increases, and reduces regenerative operation, regeneration alkali charge and washing water quantity, so that whole water making device more adduction It manages, is economical and efficient.

Further, the carbon removing device includes carbon dioxide cleaner and except carbon water tank；

The water inlet of the carbon dioxide cleaner is connected with the water outlet of the cation resin exchange device, discharge outlet with it is described Except the water inlet of carbon water tank is connected, the discharge outlet except carbon water tank is connected with the water inlet of the resin anion (R.A.) exchanger It is logical.

Further, the carbon removing device further include except carbon water pump, it is described except carbon water pump be set to it is described except carbon water tank with On the connecting pipeline of the resin anion (R.A.) exchanger.

Further, the carbon dioxide cleaner includes reactor tank, the tank interior for being set to the reactor tank and is used to adsorb two The packing layer of carbonoxide, and the air inlet and exhaust outlet that are communicated with the atmosphere respectively, the air inlet are set to the reactor tank Bottom, the exhaust outlet are set to the top of the reactor tank.

Further, the water inlet is set to the side side wall of the reactor tank, and the water outlet is set to described anti- The other side side wall of tank is answered, the height of the water inlet is higher than the height of the water outlet.

Further, the water inlet except carbon water tank is equipped with electric adjustable section door, and the electric adjustable section door is according to removing Liquid level variation in carbon water tank adjusts aperture.

The present invention also provides one kind to remove carbon control system, for water treatment facilities as shown above, comprising:

Water level sensing unit for real-time detection except the water level in carbon water tank, and exports current level data；

Compare control unit, for receiving the current level data of water level sensing unit output, and with the water that prestores Position threshold value compares, if current level is higher than watermark threshold, exports to electric adjustable section door and reduces opening degree instruction；If current level Lower than watermark threshold, is then exported to electric adjustable section door and increase opening degree instruction.

Further, further includes:

Alarm unit, the current level data exported for receiving the water level sensing unit, and be more than in current level Alarm signal is issued when warning line.

The present invention also provides one kind to remove carbon control method, removes carbon control system based on as shown above, comprising the following steps:

S1: real-time detection exports current level data except the water level in carbon water tank；

S2: receiving the current level data of the water level sensing unit output, and compared with the watermark threshold prestored, if Current level is higher than watermark threshold, then turns to step S3；If current level is lower than watermark threshold, step S4 is turned to；

S3: it is exported to electric adjustable section door and reduces opening degree instruction；

S4: it is exported to electric adjustable section door and increases opening degree instruction.

Further, in step s 2, further includes: current level compares with the warning line prestored, if current water Position is higher than warning line, then turns to step S5；

S5: alarm signal is issued.

Detailed description of the invention

It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural block diagram of specific embodiment of water treatment facilities provided by the present invention；

Fig. 2 is provided by the present invention except a kind of structural block diagram of specific embodiment of carbon control system；

Fig. 3 is provided by the present invention except a kind of flow chart of specific embodiment of carbon control method；

Fig. 4 is the flow chart provided by the present invention except carbon control method another kind specific embodiment.

Description of symbols:

1- cation resin exchange device

2- resin anion (R.A.) exchanger

3- carbon removing device

31- carbon dioxide cleaner 32- removes carbon water tank 34- electric adjustable section door except carbon water tank 33-

100- water level sensing unit

200- compares control unit

300- alarm unit

Specific embodiment

Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

Referring to FIG. 1, Fig. 1 is a kind of structural block diagram of specific embodiment of water treatment facilities provided by the present invention.

In a specific embodiment, water treatment facilities provided by the invention are used for power plant, which includes Pretreatment unit, the resin cation being sequentially arranged by process upstream to process downstream (i.e. on the flow direction of pending water) are handed over Parallel operation 1, resin anion (R.A.) exchanger 2, zwitterion resins exchange device 1, reverse osmosis unit and electric dialyzator；It further include for going Except the carbon removing device 3 of the carbon dioxide removal flowed through in it, the carbon removing device 3 is arranged in the cation resin exchange device 1 Between the resin anion (R.A.) exchanger 2, and its water inlet is connected with the water outlet of the cation resin exchange device 1, Its discharge outlet is connected with the water inlet of the resin anion (R.A.) exchanger 2.

The pH value that cation bed (i.e. cation resin exchange device 1) is discharged in water treatment procedure is highly acid, is carbonated in water Object is closed mainly to exist in the form of free CO2, using Henry's law (under isothermal and isobaric, the solubility of certain gas in the solution It is directly proportional to the balance pressure of the gas on liquid level) made of carbon removing device 3 can exclude the CO2 in water, therefore, the carbon removing device 3 should be mounted on cation bed after, before anion bed (resin anion (R.A.) exchanger 2)；Then corresponding water treatment process are as follows: pretreatment unit → cation bed → 3 → anion bed of carbon removing device → mixed bed.

In technical process, through cation resin exchange device 1 treated be mixed with great amount of carbon dioxide water enter remove In carbon device 3, the absorption and removing of carbon dioxide are carried out in carbon removing device 3, so that entering anion after carbon removal treatment Water in resins exchange device 2, the content of carbon dioxide significantly reduce, thus alleviate resin anion (R.A.) exchanger 2 except carbon is negative It carries on a shoulder pole, the anion exchange resin in resin anion (R.A.) exchanger 2 is mainly used for removing HCO3-, HSiO3-, SO42-, CL- in water Equal anion, improve the treatment effeciency of resin anion (R.A.) exchanger 2；In this way, the processing capacity of resin anion (R.A.) exchanger 2 obtains To improve, by being practically free of free carbon dioxide or HCO3- in anion bed treated water, the water processed of mixed bed is also alleviated simultaneously Burden；Meanwhile anion bed water production in periodic mode increases, and reduces regenerative operation, regeneration alkali charge and washing water quantity, so that whole water processed Equipment is more reasonable, economical and efficient.

Specifically, which can be blowing-type carbon dioxide cleaner 31 or vacuum type carbon dioxide cleaner 31, and preferably blowing-type is removed The carbon removing device 3 of carbon device 31, the blowing-type including carbon dioxide cleaner 31 and removes carbon water tank；Wherein, the water inlet of the carbon dioxide cleaner 31 with The water outlet of the cation resin exchange device 1 is connected, and discharge outlet is connected with the water inlet except carbon water tank, described Except the discharge outlet of carbon water tank is connected with the water inlet of the resin anion (R.A.) exchanger 2.After cation resin exchange device 1 filters The water of outflow enters carbon dioxide cleaner 31, removes the carbon dioxide in water removal by the adsorbate being filled in packing layer in carbon dioxide cleaner 31 Afterwards, water flows into the resin anion (R.A.) exchanger 2 for removing and entering next stage after carbon water tank precipitating is stablized.

In order to which the water input in carbon dioxide cleaner 31 is removed carbon water tank in time, which can also include removing carbon water pump, institute It states except carbon water pump is set on the connecting pipeline for removing carbon water tank and the resin anion (R.A.) exchanger 2.

Electric adjustable section door 34 is installed in the water inlet except carbon water tank, the electric adjustable section door 34 is according to except in carbon water tank Liquid level variation adjust aperture and avoid liquid level too high or too low to adjust inflow at any time according to the variation of liquid level, to improve The performance of carbon removing device 3.

Above-mentioned carbon dioxide cleaner 31 includes reactor tank, the tank interior for being set to the reactor tank and is used to adsorb carbon dioxide Packing layer, and the air inlet and exhaust outlet that are communicated with the atmosphere respectively, the air inlet is set to the bottom of the reactor tank, described Exhaust outlet is set to the top of the reactor tank, and water inlet is set to the side side wall of the reactor tank, the water outlet setting In the other side side wall of the reactor tank, the height of the water inlet is higher than the height of the water outlet.

Above-mentioned blowing-type carbon dioxide cleaner 31 can make the carbon dioxide in water be discharged into atmosphere with the air blown over, due in air Carbon dioxide divides very little (generally 0.03%), and water enters from the top of reactor tank, sprays through distribution apparatus, passes through packing layer (multi-panel hollow plastic ball), into remove carbon water tank, air by air blower from the bottom of reactor tank enter, top discharge, spray and Under small water column and water droplet and the air blasted come into full contact with, the CO2 in water is pulled away quickly.

Theoretically, vacuum chamber carbon dioxide cleaner 31 can also be used, vacuum type carbon dioxide cleaner 31 is utilized using steam as working media Vacuum pump or injector are vacuumized from 31 top of carbon dioxide cleaner, and water is made to reach boiling point to remove the gas in water, worked Removing carbon dioxide can not only be removed in journey, additionally it is possible to remove other gases in water, the oxidation and outlet pipe to negative resin is prevented The corrosion in road is advantageously.

Blowing-type carbon dioxide cleaner 31 is simple to operation, produces water energy and enough reaches water requirement processed；And the work of vacuum type carbon dioxide cleaner 31 is situated between Matter is dangerous, cools down after water heating, operating cost is high, and therefore, present invention preferably uses blowing-type carbon dioxide cleaners 31.

In addition to above-mentioned water treatment facilities, the present invention also provides removing in a kind of carbon removing device 3 for the water treatment facilities Carbon control system, to improve the automatic control level of carbon removing device 3.

Referring to FIG. 2, Fig. 2 is provided by the present invention except a kind of structural block diagram of specific embodiment of carbon control system.

In a specific embodiment, it should include water level sensing unit 100, compare control unit except carbon control system 200 and alarm unit 300.

Wherein, water level sensing unit 100 removes the water level in carbon water tank for real-time detection, and exports current level data. Specifically he, which can be various types of water-level probes, such as infrared probe or ultrasonic probe Deng.

Compare the current level data that control unit 200 is exported for receiving the water level sensing unit 100, and with prestore Watermark threshold compare, if current level be higher than watermark threshold, to electric adjustable section door 34 export reduce opening degree instruction；If working as Preceding water level is lower than watermark threshold, then exports to electric adjustable section door 34 and increase opening degree instruction.The watermark threshold can be according to requirements Setting, such as watermark threshold is set as at the half except carbon water tank depth or at 2/3rds etc..

Alarm unit 300 is used to receive the current level data that the water level sensing unit 100 exports, and in current level Alarm signal is issued when rising above the warning line, it is excessive to avoid the excessively high generation of water level, to guarantee the normal operation of equipment.The report Alert unit 300 can be specially optical alarm, voice guard or combined aural and visual alarm etc..

In this way, can control the electric adjustable section door 34 of water treatment facilities according to except carbon water tank by the way that carbon control system should be removed Interior liquid level variation adjusts aperture immediately, excessively high so as to avoid liquid level to adjust inflow at any time according to the variation of liquid level Or it is too low, to improve the performance and working efficiency of carbon removing device 3.

Further, the present invention also provides one kind to remove carbon control method, removes carbon control system based on as shown above, such as schemes Shown in 3, should except carbon control method the following steps are included:

S11: real-time detection exports current level data except the water level in carbon water tank；

S12: the current level data that the water level sensing unit 100 exports are received, and compared with the watermark threshold prestored Compared with if current level turns to step S3 higher than watermark threshold；If current level is lower than watermark threshold, step S4 is turned to；

S13: it is exported to electric adjustable section door 34 and reduces opening degree instruction；

S14: it is exported to electric adjustable section door 34 and increases opening degree instruction.

In this way, can control the electric adjustable section door 34 of water treatment facilities according to except carbon water tank by the way that carbon control method should be removed Interior liquid level variation adjusts aperture immediately, excessively high so as to avoid liquid level to adjust inflow at any time according to the variation of liquid level Or it is too low, to improve the performance and working efficiency of carbon removing device 3.

It in another embodiment, in step s 2 should further include by current level and the warning prestored except carbon control method Water level compares, if current level is higher than warning line, issues alarm signal.

Specifically, as shown in figure 4, should except carbon control method the following steps are included:

S21: real-time detection exports current level data except the water level in carbon water tank；

S22: receiving the current level data that the water level sensing unit 100 exports, and with the watermark threshold and police that prestore It guards against water level to compare, if current level is higher than watermark threshold, turns to step S3；If current level is lower than watermark threshold, turn To step S4；If current level is higher than warning line, step S5 is turned to；

S23: it is exported to electric adjustable section door 34 and reduces opening degree instruction；

S24: it is exported to electric adjustable section door 34 and increases opening degree instruction.

S25: alarm command is issued to alarm unit 300.

In this way, in addition to can be other than adjust automatically valve aperture, additionally it is possible to export report in time when water level is higher by warning line Alert signal, it is excessive to avoid the excessively high generation of water level, to guarantee the normal operation of equipment.In step s 5, to alarm unit 300 Issuing alarm command can be the signal that alarm is opened to combined aural and visual alarm sending, is also possible to Central Control Room or specifies mobile whole Hold the alarm command issued.

In factory's use process, water treatment system is piping-main scheme, by 10 sets of ultrafiltration, 8 sets of reverse osmosis, 7 sets of cation beds, 10 sets Anion bed and 8 sets of mixed bed compositions, about 100,000 tons of cation bed water production in periodic mode or so, and anion bed water production in periodic mode is about ten thousand tons of 0.5-0.8. Two sets carbon removing devices 3 are installed respectively, are controlled side by side, under fault condition can off-the-line progress defect elimination, do not influence system water；Specifically Ground can install four carbon dioxide cleaner 31, two except carbon water tank, four remove carbon water pump, piping-main scheme arrangement altogether；Except carbon water pump is mounted on room It is interior, retain 8 sets of anion beds, matches with cation bed power output.Cation bed water outlet enters carbon dioxide cleaner 31, enters after removing carbon dioxide except carbon water Case, by feeding the water into anion bed except carbon water pump.Process after the system reform: tap water → self-cleaning filter → ultrafiltration apparatus → Ultrafiltration water tank → ultrafiltration water pump → antisludging agent and reducing agent dosing → cartridge filter → high-pressure pump → reverse osmosis (RO) device → Intermediate water tank → middle water pump → cation bed → [removing carbon dioxide device → except carbon water tank → removes carbon water pump] → anion bed → mixed bed → is removed Brine tank → desalination water pump → therrmodynamic system.

It is used in embodiment at this, the power output of carbon dioxide cleaner 31 is 260t/h × 4, removes carbon water tank 50m3 × 2, removes carbon water pump 200t/h × 4, it is entire newly-increased except the piping-main scheme of carbon system is arranged.Water treatment system carbon dioxide cleaner 31 enters saliva free carbon dioxide and contains Amount is 20mg/L or so, and saliva free carbon dioxide content is 2-5mg/L out.Anion bed water production in periodic mode is by average 6500 before Ton is improved to present 41709 tons, and increase rate reaches 642%.After transformation, by anion bed water production in periodic mode improve to 48000 tons into Row statistics needs to regenerate altogether anion bed 25 times, need to use 32.5 tons of alkali altogether according to annual desalination water.Regeneration can be saved after transformation to use It 206.5 tons of alkali, is calculated by 1200 yuan/ton of alkali, 24.78 ten thousand yuan can be saved.Each anion bed regeneration backwash, into alkali, just wash, need to use altogether 180 tons of level-one demineralized water, then after being transformed, reducing by 159 calculating by regeneration times, whole year can save 28620 tons of level-one demineralized water, Cost-saved 85.86 ten thousand yuan.After carbon dioxide cleaner 31 is transformed, regeneration alkali and level-one demineralized water are saved, according to year desalination water inventory It calculates, two costs can save 110.64 ten thousand yuan.Water resource can be saved after the system reform, reduce the discharge of regeneration liquid waste, protection ring Border.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage Solution is indication or suggestion relative importance.

In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention.Should all it cover in protection of the invention Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (10)

1. a kind of water treatment facilities for power plant, which is characterized in that including what is be sequentially arranged by process upstream to process downstream Pretreatment unit, cation resin exchange device (1), resin anion (R.A.) exchanger (2), zwitterion resins exchange device (1), reverse osmosis Saturating device and electric dialyzator；

It further include for removing the carbon removing device (3) for flowing through the removal of the carbon dioxide in it, the carbon removing device (3) is arranged in institute It states between cation resin exchange device (1) and the resin anion (R.A.) exchanger (2), and its water inlet and the resin cation The water outlet of exchanger (1) is connected, and discharge outlet is connected with the water inlet of the resin anion (R.A.) exchanger (2).

2. water treatment facilities according to claim 1, which is characterized in that the carbon removing device (3) includes carbon dioxide cleaner (31) With remove carbon water tank；

The water inlet of the carbon dioxide cleaner (31) is connected with the water outlet of the cation resin exchange device (1), discharge outlet with The water inlet except carbon water tank is connected, the discharge outlet except carbon water tank and the resin anion (R.A.) exchanger (2) into The mouth of a river is connected.

3. water treatment facilities according to claim 2, which is characterized in that the carbon removing device (3) further includes removing carbon water pump, The carbon water pump that removes is set on the connecting pipeline for removing carbon water tank and the resin anion (R.A.) exchanger (2).

4. water treatment facilities according to claim 1-3, which is characterized in that the carbon dioxide cleaner (31) includes reaction Tank, the tank interior for being set to the reactor tank and for adsorbing the packing layer of carbon dioxide, and be communicated with the atmosphere respectively into Port and exhaust outlet, the air inlet are set to the bottom of the reactor tank, and the exhaust outlet is set to the top of the reactor tank Portion.

5. water treatment facilities according to claim 4, which is characterized in that the water inlet is set to the one of the reactor tank Side side wall, the water outlet are set to the other side side wall of the reactor tank, and the height of the water inlet is higher than the water outlet Height.

6. water treatment facilities according to claim 2, which is characterized in that the water inlet except carbon water tank is equipped with electricity Dynamic to adjust door (34), the electric adjustable section door (34) adjusts aperture according to except the liquid level variation in carbon water tank.

7. one kind removes carbon control system, it to be used for the water treatment facilities as shown in claim 6 characterized by comprising

Water level sensing unit (100) for real-time detection except the water level in carbon water tank, and exports current level data；

Compare control unit (200), for receive the water level sensing unit (100) output current level data, and with it is pre- The watermark threshold deposited compares, if current level is higher than watermark threshold, exports to electric adjustable section door (34) and reduces opening degree instruction； If current level is lower than watermark threshold, is exported to electric adjustable section door (34) and increase opening degree instruction.

8. according to claim 7 remove carbon control system, which is characterized in that further include:

Alarm unit (300), for receiving the current level data of the water level sensing unit (100) output, and in current water Position issues alarm signal when rising above the warning line.

9. one kind removes carbon control method, it is based on removing carbon control system as shown in claim 7, which is characterized in that including following Step:

S1: real-time detection exports current level data except the water level in carbon water tank；

S2: receiving the current level data of the water level sensing unit (100) output, and compared with the watermark threshold prestored, If current level is higher than watermark threshold, step S3 is turned to；If current level is lower than watermark threshold, step S4 is turned to；

S3: it is exported to electric adjustable section door (34) and reduces opening degree instruction；

S4: it is exported to electric adjustable section door (34) and increases opening degree instruction.

10. according to claim 9 remove carbon control method, which is characterized in that in step s 2, further includes: by current water Position, if current level is higher than warning line, turns to step S5 compared with the warning line prestored；

S5: alarm signal is issued.