CN107029522A - A kind of flue gas desulfurization handles integrated apparatus - Google Patents

A kind of flue gas desulfurization handles integrated apparatus Download PDF

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Publication number
CN107029522A
CN107029522A CN201710397771.2A CN201710397771A CN107029522A CN 107029522 A CN107029522 A CN 107029522A CN 201710397771 A CN201710397771 A CN 201710397771A CN 107029522 A CN107029522 A CN 107029522A
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CN
China
Prior art keywords
absorption tower
flue gas
amplifier
poles
pole
Prior art date
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Pending
Application number
CN201710397771.2A
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Chinese (zh)
Inventor
王丹骑
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Sichuan Yangzisen Environmental Protection Equipment Co Ltd
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Sichuan Yangzisen Environmental Protection Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Sichuan Yangzisen Environmental Protection Equipment Co Ltd filed Critical Sichuan Yangzisen Environmental Protection Equipment Co Ltd
Priority to CN201710397771.2A priority Critical patent/CN107029522A/en
Publication of CN107029522A publication Critical patent/CN107029522A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1412Controlling the absorption process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456Removing acid components
    • B01D53/1481Removing sulfur dioxide or sulfur trioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18Absorbing units; Liquid distributors therefor

Abstract

Integrated apparatus is handled the invention discloses a kind of flue gas desulfurization, mainly by absorption tower (3), strength air exhauster (5), and deduster (2) composition being connected with absorption tower (3);It is characterized in that, the dehydrating tower (4) of energy secondary desulfuration is provided between absorption tower (3) and strength air exhauster (5), the control device of the water circulation for controlling absorption tower (3) is provided with also on absorption tower (3).The dehydrating tower of the present invention can carry out secondary desulfuration processing to the flue gas after absorption tower institute desulfurization process;And the control device of the present invention can be controlled to the recurrent state of the seawater in absorption tower, effectively raise the utilization rate of the seawater in absorption tower, so that effect of the present invention to flue gas desulfurization is improved, while also effectively reducing the water consumption on absorption tower.

Description

A kind of flue gas desulfurization handles integrated apparatus
Technical field
It is a kind of flue gas desulfurization processing integrated apparatus specifically the present invention relates to a kind of flue gas desulfurization processing unit.
Background technology
With industrial expansion and the improvement of people's living standards, the craving to the energy is also continuously increased, and coal is people institute One kind in the numerous energy used, is also most one kind that people use, and the SO2 contained in coal-fired flue-gas is also to big Gas pollutes one of topmost material.Pollutions of the SO2 to air reduced in coal-fired flue-gas has turned into the improvement of current atmospheric environment The task of top priority.The extensive use in the industry of flue gas desulfurization with seawater technique, flue gas desulfurization with seawater technique is in absorption tower Seawater is injected, a kind of sulfur method of removing sulfur dioxide in flue gas is reached using the basicity of seawater.
However, the flue gas desulfurization with seawater technique that people are used at present not only deposits the problem of desulfurized effect is poor, cause flue gas Desulfurization process is not thorough, and existing flue gas desulfurization with seawater technique is the problem of can not be too low to the utilization rate of seawater, causes cigarette The cost of desulfurization is too high.
The content of the invention
It is poor it is an object of the invention to overcome flue gas desulfurization with seawater technique of the prior art not only to deposit desulfurized effect, and The too low defect of utilization rate to seawater there is provided one kind can not only improve desulfurized effect, and seawater utilization rate can be improved Flue gas desulfurization handles integrated apparatus.
The present invention is achieved through the following technical solutions:A kind of flue gas desulfurization handles integrated apparatus, mainly by absorption tower, Strength air exhauster, and the deduster composition being connected with absorption tower;Characterized in that, between absorption tower and strength air exhauster There is provided the dehydrating tower of energy secondary desulfuration, is provided with the control dress of the water circulating speed for controlling absorption tower also on absorption tower Put.
Described control device includes controller, is connected to the first magnetic valve on the water inlet of absorption tower, is connected to absorption The second magnetic valve in tower discharge outlet, and it is arranged on the concentration sensor on absorption tower and being electrically connected with the controller;It is described dense The inductive head of degree sensor is arranged in absorption tower, and first magnetic valve and the second magnetic valve are electrically connected with the controller respectively.
Further, the controller is by control chip U, amplifier P1, amplifier P2, FET MOS1, field-effect Pipe MOS2, one end is connected with control chip U VREF pins, the other end is connected with amplifier P1 positive pole resistance R1, P The diode D2 that pole is connected with amplifier P1 output end, N poles are connected with FET MOS1 grid, positive pole is imitated with field Should pipe MOS1 grid be connected, the polar capacitor C1 that negative pole is connected with FET MOS1 source electrode, one end and amplifier Resistance R2, the N pole that P1 negative pole is connected, the other end is grounded after being connected with polar capacitor C1 negative pole is with control chip U's The diode D1 that VDD pins are connected, P poles are connected with FET MOS1 drain electrode, is serially connected in diode D1 P poles and N Relay K1, P pole between pole is connected with amplifier P2 output end, N poles are connected with FET MOS2 grid Diode D3, the resistance R3 that one end is connected with diode D3 N poles, the other end is connected with amplifier P2 negative pole, positive pole Be connected with FET MOS2 grid, polar capacitor C2, P pole that negative pole is grounded after being connected with amplifier P2 negative pole with FET MOS2 drain electrode is connected, the diode D4 that N poles are connected with control chip U VDD pins, and is serially connected in two Relay K2 compositions between pole pipe D4 P poles and N poles;The VOUT pin phases of the positive pole of the amplifier P1 and control chip U Connection;The positive pole of the amplifier P2 is connected with control chip U SDA pins, amplifier P2 negative pole also with field-effect Pipe MOS2 source electrode is connected;The positive electricity of normally opened contact K1-1 first magnetic valve of the N poles of the diode D1 through relay K1 Pole is connected, and normally opened contact K2-1 of the N poles through relay K2 of the diode D4 is connected with the positive electrode of the second magnetic valve; The CE pins and RE pins and WE of the control chip U is connected with concentration sensor respectively;The VDD of the control chip U Pin is connected with outside 5V dc sources, its GND pin ground connection.
Booster fan is additionally provided between the deduster and absorption tower, the booster fan is connected to by the first air inlet pipe On deduster, the booster fan is also connected on absorption tower by downtake pipe.
Air exhauster is provided between the absorption tower and dehydrating tower, the air exhauster is connected on the air outlet on absorption tower, The air exhauster is connected on dehydrating tower by second exhaust pipe.
The strength air exhauster is connected on dehydrating tower by the second air inlet pipe, and the exhaust outlet of the strength air exhauster is provided with 3rd blast pipe.
The bottom on the absorption tower is provided with mounting seat, and the deduster and dehydrating tower are separately positioned in mounting seat, institute State the support tube being also provided with mounting seat for installing strength air exhauster.
The present invention compared with prior art, with advantages below and beneficial effect:
(1) dehydrating tower of the invention can carry out secondary desulfuration processing to the flue gas after absorption tower institute desulfurization process;And this The control device of invention can be controlled to the recurrent state of the seawater in absorption tower, effectively raise the seawater in absorption tower Utilization rate, so that the present invention is improved to the effect of flue gas desulfurization, while also effectively reducing the water consumption on absorption tower.
(2) control device of the invention is provided with controller, concentration sensor, the first magnetic valve and the second magnetic valve, its Middle concentration sensor can accurately be detected to the SO2 values in the seawater in absorption tower, and controller can be sensed according to concentration SO2 value informations in seawater detected by device are turned on and off accurately being controlled to the first magnetic valve and the second magnetic valve System, so as to improve accuracy of the present invention to the seawater circulation state control in absorption tower.
(3) signal that the control chip U set in controller of the invention can be transmitted to concentration sensor is analyzed The SO2 values of seawater are obtained after processing, and control chip U is engaged with the electronic component of periphery, can be according to the sea in absorption tower SO2 values in water are turned on and off accurately being controlled to the first magnetic valve and the second magnetic valve, make the seawater in absorption tower SO2 in flue gas can be drawn to greatest extent, ensure that the present invention can improve the seawater utilization rate in absorption tower.
(4) booster fan that the present invention is set can effectively improve the flow velocity of the flue gas of deduster discharge, arrange deduster The flue gas gone out can sufficiently enter absorption tower, ensure that efficiency of the present invention to flue gas desulfurization.
(5) the exhausting function that the present invention is set enables to enter in absorption tower by the flue gas after sulphur removal sufficiently from absorption tower Exhaust outlet is discharged, and makes concentration sensor detection more accurate, ensures that the present invention is more preferable to the effect of flue gas desulfurization.
Brief description of the drawings
Fig. 1 is partial sectional view of the invention.
Fig. 2 is the electrical block diagram of the controller of the present invention.
In above-mentioned accompanying drawing, the corresponding component names of reference are as follows:
1-mounting seat, 2-deduster, 3-absorption tower, 4-dehydrating tower, 5-strength air exhauster, 6-air exhauster, 7-increase Pressure fan, 8-support tube, 9-controller, 10-downtake pipe, the 11-the first air inlet pipe, the 12-the second air inlet pipe, 13- Second exhaust pipe, the 14-the three blast pipe, the 15-the first magnetic valve, the 16-the second magnetic valve, 17-screening glass bearing groove, 18- Concentration sensor, 19-inductive head.
Embodiment
The present invention is described in further detail with reference to embodiment and its accompanying drawing, but embodiments of the present invention are not It is limited to this.
Embodiment
As shown in Figure 1, 2, the present invention is main by absorption tower 3, the deduster 2 being connected with the air inlet on absorption tower 3, and The strength air exhauster 5 being connected with the exhaust outlet on absorption tower 3 is constituted.Wherein, as illustrated in fig. 1 and 2, the present invention absorption tower 3 with The dehydrating tower 4 of secondary desulfuration can be carried out to flue gas by being provided between strength air exhauster 5, be provided with also on absorption tower 3 for controlling The control device of the water circulation on absorption tower 3 processed.Control device is then as shown in figure 1, it includes controller 9, concentration sensor 18, One magnetic valve 15, and the second magnetic valve 16.
During implementation, the described air inlet of deduster 2 is connected with the exhaust outlet of combustion furnace, and the deduster 2 is to combustion furnace Fuel dust in the flue gas of discharge is eliminated, and is largely reduced the SO2 contents in flue gas, is realized to flue gas First desulfurization.Flue gas after the dedusting of deduster 2 is admitted to absorption tower 3, and the absorption tower 3 is provided with air inlet, exhaust outlet, water inlet And delivery port, for sulphur removal seawater through water inlet flow into absorption tower 3, the seawater after flue gas desulfurization is then discharged through delivery port. In order to be eliminated to the SO2 remained in flue gas after the sulphur removal of absorption tower 3, the present invention is as shown in figure 1, exhaust outlet on absorption tower 3 On be also provided with dehydrating tower 4, the present invention is preferential to be provided with gypsum sphere in dehydrating tower 4, and gypsum sphere can be effectively to the row of absorption tower 3 The SO2 of water and residual in the flue gas gone out is eliminated, and the SO2 in flue gas is thoroughly removed, is effectively raised flue gas The effect of sulphur removal.Flue gas without SO2 is discharged into air by dehydrating tower 4 by strength air exhauster, ensures that the present invention To the effect of flue gas desulfurization, and improve the regulation effect of environmental pollution of the present invention.
Wherein, in order that the flue gas after deduster 2 is handled can be entered sufficiently in absorption tower 3, the present invention is in deduster 2 Booster fan 7 is provided between absorption tower 3, the booster fan 7 is connected on deduster 2 by the first air inlet pipe 11, and is passed through Screw is fixed, and flue gas is not revealed, and the booster fan 7 is also connected by the first air inlet-outlet pipe 10 with absorption tower 3, together Sample prevents flue gas from revealing by the way of screw is fixed.The booster fan 7 can effectively improve the air pressure and stream of flue gas Speed, makes the flue gas that deduster 2 is sent out sufficiently can enter in the presence of booster fan 7 in absorption tower 3, is sufficiently removed Sulphur.
Further, in order to be able to be controlled to the seawater circulation state in absorption tower, to ensure to enter in absorption tower Seawater can sufficiently be used for flue gas desulfurization, effectively reduce the water consumption on absorption tower, and the present invention is provided with absorption tower and used In the control device of control water circulation.Described control device is as shown in figure 1, control device includes controller 9, concentration sensor 18, the first magnetic valve 15, and the second magnetic valve 16.Water-soluble SO2 maximum is preset in described controller 9. Described concentration sensor 18 is then arranged on the upper of absorption tower 3 and electrically connected with controller 9, and the present invention is preferential by concentration sensor 18 are arranged on the top on absorption tower 3, and the inductive head 19 of concentration sensor 18 is then set after the preset through hole in the top on absorption tower 3 Put in absorption tower 3, and the inductive head 19 is sufficiently contacted with the seawater in absorption tower 3, to ensure that inductive head 19 can be to sea The SO2 contents of water are detected.Concentration sensor 18 by the analog signal that inductive head 19 is transmitted be converted to current signal transfer to The current signal of reception is then converted to numerical value by controller 9, controller 9, and the numerical value is the SO2 contents of seawater.The basis of controller 9 The SO2 content values of obtained seawater control the first magnetic valve 15 and the with the comparison result of the SO2 maximums of the seawater of storage Two magnetic valves 16.And the first described magnetic valve 15 is arranged on the water inlet on absorption tower 3, the second magnetic valve 16 is then arranged on suction In the discharge outlet for receiving tower 3.First magnetic valve 15 and the second magnetic valve 16 valve element in present invention work are in extended configuration.When When controller 9 reaches the SO2 maximums of the seawater of storage according to the SO2 content values of obtained seawater, controller 9 is then the second electricity Magnet valve 16 provides driving current, the second magnetic valve 16 is worked, the valve element adhesive of the second magnetic valve 16, the delivery port on absorption tower 3 It is opened, SO2 contents reach that the seawater of saturation is discharged.When the seawater in absorption tower 3 is less than inductive head 19, concentration sensor 18 when no longer transmitting current signal, and controller 9 stops providing driving current for the second magnetic valve 16, and the second magnetic valve 16 stretches, The delivery port on absorption tower 3 is closed, and controller 9 then provides intensity currents for the first magnetic valve 15, the first magnetic valve 15 is worked, The valve element adhesive of second magnetic valve 16, the water inlet on absorption tower 3 is opened, and water storage tower is the water filling of absorption tower 3 until in absorption tower 3 Seawater be in contact with inductive head 19, controller 9 stops providing driving current for the first magnetic valve 15, and the first magnetic valve 15 stretches Exhibition, the water inlet on absorption tower 3 is closed, and inductive head 19 continues to detect the seawater SO2 contents in absorption tower 3, the present invention Work is circulated with this, the seawater in absorption tower 3 is kept to greatest extent to flue gas desulfurization, so that it is guaranteed that the present invention can be realized The consumption to seawater is reduced, the present invention realizes the effect economized on resources well.
Meanwhile, the present invention in order that sufficiently can be discharged in absorption tower 3 by the flue gas after sulphur removal from the exhaust outlet on absorption tower, Air exhauster 6 is provided between absorption tower 3 and dehydrating tower 4, the air inlet of the air exhauster 6 is connected on the air outlet on absorption tower 3 And be preferentially fixed using screw, while the air exhauster 6 is also connected on dehydrating tower 4 by second exhaust pipe 13, also preferentially It is fixed using screw, in order to mount and dismount.Air exhauster 6 can not effectively by absorption tower 3 by the flue gas after sulphur removal Extract out, moreover it is possible to accelerate the flow velocity that flue gas adds dehydrating tower 4, effectively accelerate dehydration of the flue gas in dehydrating tower 4 and drink and take off again The speed of sulphur, so as to effectively raise the efficiency of the desulfurization of the present invention.The present invention is provided with also on the exhaust outlet of dehydrating tower 4 Strength air exhauster 5, the strength air exhauster 5 is connected by the second air inlet pipe 12 with dehydrating tower 4, and preferentially employs screw progress It is fixed, the 3rd blast pipe 14 is also provided with the air outlet of strength air exhauster 5.
In order that the present invention is using and installed more convenient, the present invention is provided with mounting seat 1 in the bottom on absorption tower 3, and Deduster 2 and dehydrating tower 4 are also installed in mounting seat 1 simultaneously.It is also provided with being used to strength air exhauster be installed in the mounting seat 1 5 support tube 8, its absorption tower 3, deduster 2, dehydrating tower 4 and support tube 8 are preferential to be fixed in mounting seat 1 using screw, by force Power air exhauster 5 is fixed on support tube 8 using screw simultaneously, the present invention is turned into an entirety, in order to facilitate when needed Move integrally, also make the structure of the present invention more stable.Heretofore described deduster 2 and the tool of absorption tower 3 and dehydrating tower 4 Body structure employ it is existing, therefore the present invention the concrete structure of deduster 2 and absorption tower 3 and dehydrating tower 4 is not entered Row detailed description.
Yet further, controller 9 of the invention is as shown in Fig. 2 it is by control chip U, model OP364 amplifier P1 and amplifier P2, model TO-263 FET MOS1 and FET MOS2, resistance are 100k Ω resistance R1, resistance It is worth the resistance R2 for 10k Ω, resistance is 1M resistance R3, and capacitance is 100 μ F/16 polar capacitor C1 and polar capacitor C2, type Number be 1N4013 diode D2 and diode D3, and model 1N4007 diode D1 and diode D4 composition.
During connection, resistance R1 one end is connected with control chip U VREF pins, the positive pole of the other end and amplifier P1 It is connected.Diode D2 P poles are connected with amplifier P1 output end, and N poles are connected with FET MOS1 grid.Pole Property electric capacity C1 positive pole is connected with FET MOS1 grid, and negative pole is connected with FET MOS1 source electrode.Resistance R2 one end is connected with amplifier P1 negative pole, and the other end is grounded after being connected with polar capacitor C1 negative pole.Diode D1 N poles be connected with control chip U VDD pins, P poles are connected with FET MOS1 drain electrode.
Relay K1 is serially connected between diode D1 P poles and N poles.Diode D3 P poles and amplifier P2 output end It is connected, N poles are connected with FET MOS2 grid.Resistance R3 one end is connected with diode D3 N poles, the other end It is connected with amplifier P2 negative pole.Polar capacitor C2 positive pole is connected with FET MOS2 grid, negative pole and amplification Device P2 negative pole is grounded after being connected.Diode D4 P poles are connected with FET MOS2 drain electrode, N poles and control chip U VDD pins be connected.Relay K2 is serially connected between diode D4 P poles and N poles.
The positive pole of the amplifier P1 is connected with control chip U VOUT pins;The positive pole of the amplifier P2 and control Coremaking piece U SDA pins are connected, and the source electrode of amplifier P2 negative pole also with FET MOS2 is connected;Two pole The positive electrode of normally opened contact K1-1 first magnetic valve 15 of the pipe D1 N poles through relay K1 is connected, the N poles of the diode D4 Normally opened contact K2-1 through relay K2 is connected with the positive electrode of the second magnetic valve 16;The CE pins of the control chip U with The CE1 pins of concentration sensor 18 are connected, and control chip U RE pins are connected with the RE1 pins of concentration sensor 18, Control chip U WE pins are connected with the WE1 pins of concentration sensor 18;The VDD pins of the control chip U and outside 5V dc sources are connected, its GND pin ground connection.
Control chip U of the present invention preferentially employs LMP91000 integrated chips to realize, the LMP91000 is integrated Being provided with chip is used to be additionally provided with use in data storage and the reference distributor for comparing, the LMP91000 integrated chips The electronic components such as the control register exported in current control.
During operation, the operating voltage of controller 9 is 5V DC voltages, and VDD pin of the operating voltage through control chip U is given Control chip U powers.When concentration sensor 18 does not transmit current signal to control chip U, control chip U VOUT pins are defeated Go out driving current, the electric current is loaded on amplifier P1 after carrying out current limliting through resistance R1, amplifier P1 output high level, diode Level on D2 one-way conductions, FET MOS1 grid is raised and turned on drain electrode, and relay K1 obtains electric, relay K1's Normally opened contact K1-1 adhesives, the adhesive of the first magnetic valve 15, the water inlet on absorption tower 3 starts water inlet.Seawater in absorption tower 3 After fully being contacted with the inductive head 19 of concentration sensor 18, the current levels rise on the CE1 of concentration sensor 18 makes control core Piece U VOUT pins disconnect, and VOUT pins stop output driving current, now relay K1 dead electricity, and the normally opened of relay K1 touches Point K1-1 is disconnected, and the first magnetic valve 15 stretches, and the water inlet on absorption tower 3 is closed.
When the SO2 in the seawater that concentration sensor 18 starts to absorption tower 3 is detected, and it will be conveyed to control chip U Afterwards, control chip U is analyzed and processed to the signal of reception and is obtained the SO2 values in seawater, and control chip U passes the SO2 values Built-in reference distributor is defeated by be compared with the SO2 values with reference to distributor memory storage.If the SO2 values of seawater reach reference During the SO2 values of distributor memory storage, control chip U then by the SDA pin output driving currents of built-in control register, is put Level on big device P2 output high level, diode D3 one-way conductions, FET MOS2 grid is raised and turned on drain electrode, Relay K2 obtains electric, relay K2 normally opened contact K2-1 adhesives, the adhesive of the second magnetic valve 16, and the discharge outlet on absorption tower 3 is opened Beginning draining, until the water level of the seawater in absorption tower 3 is less than the inductive head 19 of concentration sensor 18.Now, control chip U CE Level rise on pin, control chip U VOUT pin output driving currents, the water inlet on absorption tower 3 starts water inlet, together When, the SDA pins of control register stop output driving current, and the second magnetic valve 16 stretches, and the draining on absorption tower 3 is closed.Control The work that device 9 processed is circulated with this, just makes the present invention realize the control to the seawater circulation state in absorption tower 3, makes absorption Seawater in tower 3, so as to effectively save the water consumption on absorption tower 3, can well be reduced to greatest extent to flue gas desulfurization The cost of flue gas desulfurization.
The dehydrating tower 4 of the present invention carries out secondary desulfuration processing to the flue gas after the desulfurization process of 3, absorption tower;And the present invention Control device the recurrent state of the seawater in absorption tower 3 is controlled, effectively raise the profit of the seawater in absorption tower With rate, so that effect of the present invention to flue gas desulfurization is improved, while also effectively reducing the water consumption on absorption tower.The present invention The concentration sensor 18 that sets of control device the SO2 values in the seawater in absorption tower 3 are accurately detected, and controller SO2 value informations in 9 seawater according to detected by concentration sensor 18 are opened to the first magnetic valve 15 and the second magnetic valve 16 Or closing is accurately controlled, so as to improve accuracy of the present invention to the seawater circulation state control in absorption tower 3, make The present invention solves that existing utilization absorption tower is poor to the desulfurized effect present in flue gas desulfurization well, water consumption asking greatly Topic.
According to above-described embodiment, you can realize the present invention well.

Claims (7)

1. a kind of flue gas desulfurization handles integrated apparatus, mainly by absorption tower (3), strength air exhauster (5), and and absorption tower (3) deduster (2) composition being connected;Characterized in that, being provided with energy two between absorption tower (3) and strength air exhauster (5) The dehydrating tower (4) of secondary desulfurization, is provided with the control dress of the water circulating speed for controlling absorption tower (3) also on absorption tower (3) Put.
2. a kind of flue gas desulfurization processing integrated apparatus according to claim 1, it is characterised in that described control device Including controller (9), the first magnetic valve (15) on absorption tower (3) water inlet is connected to, is connected in absorption tower (3) discharge outlet The second magnetic valve (16), and the concentration sensor (18) for being arranged on absorption tower (3) and being electrically connected with controller (9), institute The inductive head (19) for stating concentration sensor (18) is arranged in absorption tower (3);First magnetic valve (15) and the second magnetic valve (16) electrically connected respectively with controller (9).
3. a kind of flue gas desulfurization processing integrated apparatus according to claim 2, it is characterised in that the controller (9) By control chip U, amplifier P1, amplifier P2, FET MOS1, FET MOS2, one end and control chip U VREF Resistance R1, the P pole that pin is connected, the other end is connected with amplifier P1 positive pole is connected with amplifier P1 output end, N The diode D2 that pole is connected with FET MOS1 grid, positive pole is connected with FET MOS1 grid, negative pole with The polar capacitor C1 that FET MOS1 source electrode is connected, one end is connected with amplifier P1 negative pole, the other end and polarity Resistance R2, the N pole that electric capacity C1 negative pole is grounded after being connected is connected with control chip U VDD pins, P poles and FET The diode D1 that MOS1 drain electrode is connected, is serially connected in relay K1, P pole and amplifier between diode D1 P poles and N poles The diode D3 that P2 output end is connected, N poles are connected with FET MOS2 grid, one end and diode D3 N poles Be connected, the resistance R3 that the other end is connected with amplifier P2 negative pole, positive pole is connected with FET MOS2 grid, bears Polar capacitor C2, the P pole that pole is grounded after being connected with amplifier P2 negative pole is connected with FET MOS2 drain electrode, N poles The diode D4 being connected with control chip U VDD pins, and the relay being serially connected between diode D4 P poles and N poles K2 is constituted;The positive pole of the amplifier P1 is connected with control chip U VOUT pins;The positive pole of the amplifier P2 and control Chip U SDA pins are connected, and the source electrode of amplifier P2 negative pole also with FET MOS2 is connected;The diode The positive electrode of normally opened contact K1-1 first magnetic valve (15) of the D1 N poles through relay K1 is connected, the N poles of the diode D4 Normally opened contact K2-1 through relay K2 is connected with the positive electrode of the second magnetic valve (16);The CE pins of the control chip U It is connected respectively with concentration sensor (18) with RE pins and WE;The VDD pins of the control chip U and outside 5V direct currents Source is connected, its GND pin ground connection.
4. a kind of flue gas desulfurization processing integrated apparatus according to claim 3, it is characterised in that the deduster (2) Booster fan (7) is additionally provided between absorption tower (3), the booster fan (7) is connected to dedusting by the first air inlet pipe (11) On device (2), the booster fan (7) is also connected on absorption tower (3) by downtake pipe (10).
5. a kind of flue gas desulfurization processing integrated apparatus according to claim 4, it is characterised in that the absorption tower (3) Air exhauster (6) is also provided between dehydrating tower (4), the air exhauster (6) is connected on the air outlet of absorption tower (3), and this is taken out Blower fan (6) is connected on dehydrating tower (4) by second exhaust pipe (13).
6. a kind of flue gas desulfurization processing integrated apparatus according to claim 5, it is characterised in that the strength air exhauster (5) it is connected to by the second air inlet pipe (12) on dehydrating tower (4), the exhaust outlet of the strength air exhauster (5) is provided with the 3rd exhaust Manage (14).
7. a kind of flue gas desulfurization processing integrated apparatus according to claim 6, it is characterised in that the absorption tower (3) Bottom be provided with mounting seat (1), the deduster (2) and dehydrating tower (4) are separately positioned in mounting seat (1), it is described install The support tube (8) for being used to install strength air exhauster (5) is also provided with seat (1).
CN201710397771.2A 2017-05-31 2017-05-31 A kind of flue gas desulfurization handles integrated apparatus Pending CN107029522A (en)

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