CN109603496A - A kind of modified desulfurizer pulp feeding system and its control system - Google Patents
A kind of modified desulfurizer pulp feeding system and its control system Download PDFInfo
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- CN109603496A CN109603496A CN201811441784.6A CN201811441784A CN109603496A CN 109603496 A CN109603496 A CN 109603496A CN 201811441784 A CN201811441784 A CN 201811441784A CN 109603496 A CN109603496 A CN 109603496A
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- 239000002002 slurry Substances 0.000 claims abstract description 91
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 238000009955 starching Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 9
- 229920002472 Starch Polymers 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000010992 reflux Methods 0.000 abstract description 4
- 238000006477 desulfuration reaction Methods 0.000 abstract description 2
- 230000023556 desulfurization Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of modified desulfurizer pulp feeding system and its control systems, including for slurry case, slurry supply pump pipeline and for starching main pipe, for starching case external communication three slurry supply pump pipelines disposed in parallel, single slurry supply pump pipeline is equipped with inlet valve, slurry supply pump and two outlet valves, slurry supply pump pipeline is standby using dual-purpose one, and a slurry supply pump pipeline may be implemented to carry out to AFT tower and absorption tower for slurry respectively, and simplify for starching reflux pipeline；This system makes system more energy saving, stable, reduces system operation troubles point, reduces plant maintenance amount, reduce the operating cost of desulfurization, while having multi-ensuring, and can be and realize that maintenance shut-downs do not maintain, and guarantees the normal operation of system, raising working efficiency.
Description
Technical field
The present invention relates to a kind of desulfurizer pulp feeding system, specially a kind of modified desulfurizer pulp feeding system and its control
System processed.
Background technique
In existing flue gas desulfurization technique, the pulp feeding system in desulfurizer has slurry supply pump two, and a preparation and a use, power frequency is transported
Row usually controls pump discharge main-piping pressure by self-contained pressure regulator come regulating valve, and stock volume passes through measurement AFT tower PH
Value controls flow inlet line control valve by DCS control algolithm to realize, there are valve losses fastly, and life is short, and is being
System slurry supply pump or valve failure carry out the defect that need to stop operation when maintenance replacement, influence to control emission compliance difficulty, maintenance
It is high to replace cost of equipment, operating cost is high.
Summary of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of modified desulfurizer pulp feeding system and its control
System processed, solves the above problems.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of modified desulfurizer pulp feeding system, including for starch case, it is described for slurry case by slurry supply pump pipeline with respectively with AFT
Tower is connected with absorption tower, and the slurry supply pump pipeline includes slurry supply pump, inlet valve and outlet valve, it is characterized in that: described for starching outside case
Portion's connection three slurry supply pump pipelines disposed in parallel, every slurry supply pump pipeline are followed successively by inlet valve according to slurry flow direction, supply
Stock pump and two outlet valves disposed in parallel, the outlet valve are AFT tower outlet valve and absorption tower outlet valve；Three slurry supply pump pipes
AFT tower outlet valve on road is connected with AFT tower for slurry main pipe, and the absorption tower outlet valve on three slurry supply pump pipelines is equal and absorbs
Tower for slurry main pipe connection, the AFT tower for slurry main pipe and absorption tower for slurry main pipe respectively with AFT tower and absorption tower connection.
Further, three slurry supply pump pipelines are attached on for slurry case by assembling pipe joint, and the pipeline connects
Connection device includes a connection main pipe and several connecting branches, and the connecting branch is connect by connector sleeve with slurry supply pump pipeline.
Further, the assembling pipe joint includes 2-4 connecting branch, when being not connected with pipeline on the connecting branch
It is closed using duct cap.
Further, the connector sleeve includes two semi-cylindrical elements, and the semi-cylindrical element is from inside to outside successively
For rubber pad, gasket, rubber pad and metal shell, it is convex that semi-cylindrical element inner wall middle part radial direction is equipped with semi-circular
It rises, outer wall axial direction is gradually increased from middle part to both ends outer diameter, and is equipped with several layers step；One of semi-cylindrical member
The axial direction of part metal shell is equipped with protrusion, the corresponding positions on the axial direction of another semi-cylindrical element metal shell
The groove equipped with cooperation is set, two semi-cylindrical elements are fastened by the lantern ring of set on the outside, set on the lantern ring
Pin is equipped with to fix with semi-cylindrical element progress position.
It further, further include DCS control cabinet, described three frequency-conversion control cabinets of DCS control cabinet parallel connection outside, the frequency conversion
Control cabinet connects one to one with slurry supply pump pipeline；PH meter is respectively equipped on the AFT tower and absorption tower, the pH meter is all connected with
On DCS control cabinet.
Further, frequency converter matches with slurry supply pump selection power of motor in the frequency conversion tank.
Further, the slurry supply pump pipeline includes supervisor and two branched pipes disposed in parallel, the AFT tower outlet valve
It is separately positioned on two branched pipes with absorption tower outlet valve.
Further, the inlet valve is electronic two-phase butterfly valve, and the outlet valve is standard-sized sheet, pass two is electronic entirely
Valve.
A kind of control system of modified desulfurizer pulp feeding system, it is characterized in that: including pH measured value module, with pH meter
Signal connection, the real-time pH value measured for receiving pH meter, and real-time pH value is sent to pid algorithm module；
PH setting valve module is preset with satisfactory default pH value, and connect with pid algorithm module by signal, for that will preset
PH value is sent to pid algorithm module；
Valve folding condition module is connect, the folding condition data for receiving outlet valve with outlet valve signal, while and PID
Algoritic module signal connection and by the folding condition data transmission of outlet valve to pid algorithm module；
Pid algorithm module, the default pH value and valve that real-time pH value, the pH setting valve module that reception pH meter is sent are sent are opened
The folding condition data for the outlet valve that conjunction state module is sent, and analyzed and calculated, pass through data output end after calculating
It is delivered to DCS control cabinet.
It further, further include having
It is manually entered terminal, terminal is manually entered and is connect with control switching module, and pass through control switching module and DCS control cabinet
Signal connects, for controlling data needed for being manually entered by data output end to DCS control cabinet；
Switching module is controlled, and pid algorithm module and terminal is manually entered and connect, for switching pid algorithm module and DCS control
The signal connection of cabinet is manually entered terminal and connect with the signal of DCS control cabinet.
The invention enables the more stable of pulp feeding system, reduce system operation troubles point, reduce plant maintenance amount, reduce
System operation cost, while itself has multi-ensuring, and not maintenance shut-downs maintenance may be implemented, and guarantees the normal of system
Operation improves working efficiency.
Detailed description of the invention
Fig. 1 is pulp feeding system schematic diagram of the invention；
Fig. 2 is assembling pipe joint structural schematic diagram of the invention；
Fig. 3 is the cross-sectional view of connector sleeve of the invention；
Fig. 4 is control system flow chart of the invention.
Appended drawing reference: 1- is for starching case, 21- inlet valve, 22- slurry supply pump, 23- AFT tower outlet valve, the outlet of the absorption tower 24-
Valve, 3-AFT tower, the absorption tower 4-；51-AFT tower is for starching main pipe；The absorption tower 52- is for starching main pipe, 6-DCS control cabinet, 7- frequency conversion control
Cabinet processed, 8-pH meter, 9- assembling pipe joint, 91- connection main pipe, 92- connecting branch, 93- duct cap, 10- connector sleeve, 11- half
Cylinder row shape element, 12- semi-circular protrusion, 13- ring set hoop, 14- pin；
100-pH measured value module, 200-pH setting valve module, 300- valve folding condition module, 400- pid algorithm module,
500- controls switching module, and 600- is manually entered terminal.
Specific embodiment
Below in conjunction with Figure of description, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
As shown in Figure 1, a kind of modified desulfurizer pulp feeding system, including for starching case 1, it is described to pass through for slurry case 1 for slurry
Pump line road with connect respectively with AFT tower 3 and absorption tower 4, the slurry supply pump pipeline include slurry supply pump 22, inlet valve 21 and outlet
Valve, described for starching 1 external communication of case, three slurry supply pump pipelines disposed in parallel, every slurry supply pump pipeline is according to slurry flow direction
It is followed successively by inlet valve 21, slurry supply pump 22 and two outlet valves disposed in parallel, the outlet valve is AFT tower outlet valve 23 and absorbs
Tower outlet valve 24；AFT tower outlet valve 23 on three slurry supply pump pipelines is connected with AFT tower for slurry main pipe 51, three slurry supply pumps
Absorption tower outlet valve 24 on pipeline is connected with absorption tower for slurry main pipe 52, and the AFT tower is supplied for slurry main pipe 51 and absorption tower
Starch main pipe 52 respectively with 4 connection of AFT tower 3 and absorption tower.
Present invention eliminates in the prior art for balancing the stable slurry supply pump reflux pipeline of slurry supply pump outlet pressure, benefit
Haved the function that as original slurry supply pump reflux pipeline with the revolving speed of automatic control system control slurry supply pump, reduces slurry supply pump
The equipment of reflux pipeline is paid and maintenance cost, reduces production cost.
For slurry during, increase finite length for starch main pipe so that this system can be realized three pipelines be two
Seat tower is carried out for slurry, lifting system reliability.
The present invention carries out branch for starching using dual-purpose one standby totally three pipelines, and every two points of flow inlet road setting
Bye-pass and matched outlet valve, every pipeline can carry out that multi-ensuring is arranged for slurry respectively to AFT tower 3 and absorption tower 4.
When a pipeline or slurry supply pump 22 break down, spare slurry supply pump 22 is enabled, two pipelines is still assured that while realizing
It carries out to AFT tower 3 and absorption tower 4 for slurry, the stability of system is higher, and reliability, protection are stronger.Pipeline maintenance cleaning or
When equipment fault, construction is not shut down in realization, guarantees the normal operation of system.
As shown in Figure 2,3, three slurry supply pump pipelines are attached on for slurry case 1 by assembling pipe joint 9, the pipe
Road attachment device 9 includes a connection main pipe 91 and several connecting branches 92, and the connecting branch 92 is by connector sleeve 10 and supplies
Slurry pump pipeline connection.
As shown in Fig. 2, the assembling pipe joint 9 includes 2-4 connecting branch 92, it is not connected on the connecting branch 92
It is closed when pipeline using duct cap 93.
As shown in Figure 2,3, the connector sleeve 10 includes two semi-cylindrical elements 11, and the semi-cylindrical element 11 is from interior
To rubber pad, gasket, rubber pad and metal shell is followed successively by outside, radial direction is equipped in the middle part of 11 inner wall of semi-cylindrical element
Semi-circular protrusion 12, outer wall axial direction are gradually increased from middle part to both ends outer diameter, and are equipped with several layers step；One of them
The axial direction of 11 metal shell of semi-cylindrical element is equipped with protrusion, the axial direction of another 11 metal shell of semi-cylindrical element
Corresponding position on direction is equipped with the groove of cooperation, and two semi-cylindrical elements 11 are carried out by the lantern ring 13 of set on the outside
It fastens, pin 14 is provided on the lantern ring 13 and is fixed with the progress of semi-cylindrical element 11 position.
The welding connecting mode that original pulp feeding system uses is replaced using assembling pipe joint, carries out equipment in pulp feeding system
Update or equipment fault are more convenient when replacing, and can reduce into the update or technological innovation for being beneficial to equipment
Originally, reduce labor intensity and improve working efficiency, there is excellent using effect in technological improvement and daily maintenance check.
Embodiment as shown in Figure 1 further includes DCS control cabinet 6,6 parallel connection outside of DCS control cabinet, three frequency control
Cabinet 7, the frequency-conversion control cabinet 7 connect one to one with slurry supply pump pipeline；PH meter is respectively equipped on the AFT tower 3 and absorption tower 4
8, the pH meter 8 is both connected on DCS control cabinet 6.
The present embodiment is preferred, and frequency converter selects power of motor to match with slurry supply pump in the frequency conversion tank 7.
The present embodiment is preferred, and the slurry supply pump pipeline includes supervisor and two branched pipes disposed in parallel, the AFT tower
Outlet valve 23 and absorption tower outlet valve 24 are separately positioned on two branched pipes.
The present embodiment is preferred, and the inlet valve 21 is electronic two-phase butterfly valve, and the outlet valve is standard-sized sheet, closes two entirely
Position motor-driven valve, the pressure and aperture of the outlet valve are monitored and feed back to control system, according to slurry flow rate or real-time pH
Value carries out control adjustment.
The pipeline selection and slurry flow rate control of pulp feeding system have a matching, and by control cabinet carry out long-range control with
Accurate adjustment, as a kind of embodiment of the invention, the acid and alkali-resistance material pipeline of the slurry supply pump selection for pipeline DN150, and with
The slurry flow rate for selecting pipeline to match requires to be greater than 15 cubic meters/hour, and pipe diameter is excessive or flow velocity is too low is easy to cause slurry
Liquid deposition, blocks pipeline, therefore slurry flow rate and pipeline pressure are monitored and be controlled in real time, guarantees that pulp feeding system can
The operation of normal table.
As shown in figure 4, a kind of control system of modified desulfurizer pulp feeding system, it is characterized in that: including pH measured value
Module 100, connect with 8 signal of pH meter, the real-time pH value measured for receiving pH meter 8, and real-time pH value is sent to pid algorithm
Module 400；
PH setting valve module 200 is preset with satisfactory default pH value, and connect, is used for 400 signal of pid algorithm module
Default pH value is sent to pid algorithm module 400；
Valve folding condition module 300 is connect, the folding condition data for receiving outlet valve with outlet valve signal, while with
400 signal of pid algorithm module connection and by the folding condition data transmission of outlet valve to pid algorithm module 400；
Pid algorithm module 400, receive default pH value that pH meter real-time pH value, the pH setting valve module 200 sent are sent and
The folding condition data for the outlet valve that valve folding condition module 300 is sent, and analyzed and calculated, pass through number after calculating
DCS control cabinet 6 is delivered to according to output end.
As shown in figure 4, the control system further includes having,
It is manually entered terminal 600, terminal 600 is manually entered and is connect with control switching module 500, and pass through control switching module
500 connect, for controlling data needed for being manually entered by data output end to DCS control cabinet 6 with 6 signal of DCS control cabinet；
Switching module 500 is controlled, and pid algorithm module 400 and terminal 600 is manually entered and connect, for switching pid algorithm module
It 400 connect with the signal of DCS control cabinet 6, be manually entered terminal 600 and connect with the signal of DCS control cabinet 6.
Before control system carries out control operation, satisfactory default pH value is set according to production needs first, and receive
The real-time aperture data of the control of outlet valve, when being produced, control system receives the real-time pH value of pH meter, and carries out with default pH
It compares, when real-time pH value is lower than default pH value, DCS control cabinet receives the final data that pid algorithm module calculates, and is transmitted to
Frequency-conversion control cabinet, frequency-conversion control cabinet control slurry supply pump and improve revolving speed, increase slurry flow rate, improve stock volume, increase real-time pH value；
When real-time pH value is higher than default pH value, DCS control cabinet receives the final data that pid algorithm module calculates, and is transmitted to frequency conversion
Control cabinet, frequency-conversion control cabinet control slurry supply pump and reduce revolving speed or close valve, reduce slurry flow rate or slurries of stopping；When control is
System is automatically brought into operation when can not effectively control real-time pH value or automatic control program failure, is switched to and is manually controlled, by defeated manually
Enter data adjust for slurry, guarantees production orderly safety.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of modified desulfurizer pulp feeding system, including for starching case (1), it is described for slurry case (1) by slurry supply pump pipeline with
It is connect respectively with AFT tower (3) and absorption tower (4), the slurry supply pump pipeline includes slurry supply pump (22), inlet valve (21) and outlet
Valve, it is characterized in that: it is described for starch case (1) external communication three slurry supply pump pipelines disposed in parallel, every slurry supply pump pipeline according to
Slurry flow direction is followed successively by inlet valve (21), slurry supply pump (22) and two outlet valves disposed in parallel, and the outlet valve is AFT
Tower outlet valve (23) and absorption tower outlet valve (24)；AFT tower outlet valve (23) on three slurry supply pump pipelines is and AFT tower is for slurry
Main pipe (51) connects, and the absorption tower outlet valve (24) on three slurry supply pump pipelines is with absorption tower for slurry main pipe (52) connection, institute
State AFT tower for slurry main pipe (51) and absorption tower for starch main pipe (52) respectively with AFT tower (3) and absorption tower (4) connection.
2. a kind of modified desulfurizer pulp feeding system according to claim 1, it is characterized in that: three slurry supply pump pipelines are logical
Piping attachment device (9) is attached on for slurry case (1), and the assembling pipe joint (9) includes a connection main pipe
(91) it is connect by connector sleeve (10) with slurry supply pump pipeline with several connecting branches (92), the connecting branch (92).
3. a kind of modified desulfurizer pulp feeding system according to claim 2, it is characterized in that: the assembling pipe joint
(9) include 2-4 connecting branch (92), be not connected with closing when pipeline using duct cap (93) on the connecting branch (92).
4. a kind of modified desulfurizer pulp feeding system according to claim 2, it is characterized in that: the connector sleeve (10) wraps
Include two semi-cylindrical elements (11), the semi-cylindrical element (11) be followed successively by from inside to outside rubber pad, gasket, rubber pad and
Metal shell, semi-cylindrical element (11) inner wall middle part radial direction are equipped with semi-circular protrusion (12), outer wall axial direction side
It is gradually increased to from middle part to both ends outer diameter, and is equipped with several layers step；One of semi-cylindrical element (11) metal shell
Axial direction be equipped with protrusion, set on the corresponding position on the axial direction of another semi-cylindrical element (11) metal shell
There is the groove of cooperation, two semi-cylindrical elements (11) are fastened by the ring set hoop (13) of set on the outside, the ring set
Pin (14) is provided on hoop (13) to fix with semi-cylindrical element (11) progress position.
5. a kind of modified desulfurizer pulp feeding system according to claim 1, it is characterized in that: further including DCS control cabinet
(6), described three frequency-conversion control cabinets (7) of DCS control cabinet (6) parallel connection outside, the frequency-conversion control cabinet (7) and slurry supply pump pipeline one
One is correspondingly connected with；It is respectively equipped with pH meter (8) on the AFT tower (3) and absorption tower (4), the pH meter (8) is both connected to DCS control
On cabinet (6) processed.
6. a kind of modified desulfurizer pulp feeding system according to claim 5, it is characterized in that: the frequency conversion tank
(7) interior frequency converter selects power of motor to match with slurry supply pump.
7. a kind of modified desulfurizer pulp feeding system according to claim 1, it is characterized in that: the slurry supply pump pipeline packet
Supervisor and two branched pipes disposed in parallel are included, the AFT tower outlet valve (23) and absorption tower outlet valve (24) are separately positioned on
On two branched pipes.
8. a kind of modified desulfurizer pulp feeding system according to claim 1, it is characterized in that: the inlet valve (21) is
Electronic two-phase butterfly valve, the outlet valve are standard-sized sheet, close two motor-driven valves entirely.
9. a kind of control system of modified desulfurizer pulp feeding system, it is characterized in that: include pH measured value module (100), with
The connection of pH meter (8) signal, the real-time pH value measured for receiving pH meter (8), and real-time pH value is sent to pid algorithm module
(400)；
PH setting valve module (200) is preset with satisfactory default pH value, and connect with pid algorithm module (400) signal,
For default pH value to be sent to pid algorithm module (400)；
Valve folding condition module (300) is connect, the folding condition data for receiving outlet valve, simultaneously with outlet valve signal
It is connect with pid algorithm module (400) signal and by the folding condition data transmission of outlet valve to pid algorithm module (400)；
Pid algorithm module (400) receives the default pH that real-time pH value, the pH setting valve module (200) that pH meter (8) are sent are sent
The folding condition data for the outlet valve that value and valve folding condition module (300) are sent, and analyzed and calculated, it counts
DCS control cabinet (6) are delivered to by data output end after calculation.
10. the control system of a kind of modified desulfurizer pulp feeding system according to claim 9, it is characterized in that: also wrapping
It has included
Terminal (600) are manually entered, terminal (600) is manually entered and is connect with control switching module (500), and pass through control switching
Module (500) connect with DCS control cabinet (6) signal, is required for being manually entered by data output end to DCS control cabinet (6)
Control data；
It controls switching module (500), and pid algorithm module (400) and is manually entered terminal (600) and connect, for switching PID calculation
The signal that method module (400) connect with the signal of DCS control cabinet (6), was manually entered terminal (600) and DCS control cabinet (6) connects
It connects.
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| CN201811441784.6A CN109603496A (en) | 2018-11-29 | 2018-11-29 | A kind of modified desulfurizer pulp feeding system and its control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615496A (en) * | 2019-09-23 | 2019-12-27 | 北京国电龙源环保工程有限公司 | Full-automatic control system and control method of wastewater drying system |
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| 孙传友等, 北京航空航天大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615496A (en) * | 2019-09-23 | 2019-12-27 | 北京国电龙源环保工程有限公司 | Full-automatic control system and control method of wastewater drying system |
| CN110615496B (en) * | 2019-09-23 | 2020-07-07 | 北京国电龙源环保工程有限公司 | Full-automatic control system and control method of wastewater drying system |
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