CN209378781U - A kind of modified desulfurizer pulp feeding system - Google Patents
A kind of modified desulfurizer pulp feeding system Download PDFInfo
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- CN209378781U CN209378781U CN201821984658.0U CN201821984658U CN209378781U CN 209378781 U CN209378781 U CN 209378781U CN 201821984658 U CN201821984658 U CN 201821984658U CN 209378781 U CN209378781 U CN 209378781U
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- supply pump
- slurry supply
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- pipeline
- feeding system
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Abstract
The utility model 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 utility model relates to a kind of desulfurizer pulp feeding system, specially a kind of modified desulfurizer pulp feeding system.
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.
Utility model content
In order to overcome the shortcomings of prior art, the utility model provides a kind of modified desulfurizer pulp feeding system,
It solves the above problems.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of modified desulfurizer pulp feeding system, including for starching case, it is described to pass through slurry supply pump pipeline and difference for slurry case
It is connect with AFT tower and absorption tower, the slurry supply pump pipeline includes slurry supply pump, inlet valve and outlet valve, it is characterized in that: described for slurry
Case external communication three slurry supply pump pipelines disposed in parallel, every slurry supply pump pipeline are followed successively by entrance according to slurry flow direction
Valve, slurry supply pump and two outlet valves disposed in parallel, the outlet valve are AFT tower outlet valve and absorption tower outlet valve；Three confessions
AFT tower outlet valve on slurry pump pipeline is connected with AFT tower for slurry main pipe, and the absorption tower outlet valve on three slurry supply pump pipelines is equal
It is connected with absorption tower for slurry main pipe, the AFT tower joins with AFT tower and absorption tower for slurry main pipe and absorption tower for slurry main pipe respectively
It is logical.
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 control cabinet.
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.
Further, the slurry supply pump pipeline is the pipeline of DN150.
The utility model makes the more stable of pulp feeding system, reduces system operation troubles point, reduces plant maintenance amount,
System operation cost is reduced, while itself has multi-ensuring, and not maintenance shut-downs maintenance may be implemented, guarantees system
It operates normally, improves working efficiency.
Detailed description of the invention
Fig. 1 is the pulp feeding system schematic diagram of the utility model；
Fig. 2 is the assembling pipe joint structural schematic diagram of the utility model；
Fig. 3 is the cross-sectional view of the connector sleeve of the utility model；
Fig. 4 is the control system flow chart of the utility model.
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 mould
Block, 500- control switching module, and 600- is manually entered terminal.
Specific embodiment
Below in conjunction with Figure of description, the technical scheme in the embodiment of the utility model is clearly and completely retouched
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, fall within the protection scope of the utility model.
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.
The utility model eliminates in the prior art for balancing the stable slurry supply pump return pipe of slurry supply pump outlet pressure
Line is haved the function that as original slurry supply pump reflux pipeline using the revolving speed of automatic control system control slurry supply pump, is reduced
The equipment of slurry supply pump 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 utility model carries out branch for starching using dual-purpose one standby totally three pipelines, and every flow inlet road setting two
Branch line and matched outlet valve, every pipeline can carry out that multiple guarantor is arranged for slurry respectively to AFT tower 3 and absorption tower 4
Barrier.When a pipeline or slurry supply pump 22 break down, spare slurry supply pump 22 is enabled, still assures that two pipelines reality simultaneously
It now carries out to AFT tower 3 and absorption tower 4 for slurry, the stability of system is higher, and reliability, protection are stronger.It is cleared up in pipeline maintenance
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 control cabinet 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 present embodiment is preferred, and the slurry supply pump pipeline is the pipeline of DN150.
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 an embodiment of the present invention, the acid and alkali-resistance material pipeline of the slurry supply pump selection for pipeline DN150,
And require to be greater than 15 cubic meters/hour with the slurry flow rate for selecting pipeline to match, pipe diameter is excessive or flow velocity is too low is easy to lead
Slurries deposition is caused, blocks pipeline, therefore slurry flow rate and pipeline pressure are monitored and be controlled in real time, guarantees pulp feeding system
It is capable of 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 with 400 signal of pid algorithm module,
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, together with outlet valve signal
When connect with 400 signal of pid algorithm module 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 send,
And the folding condition data of outlet valve that valve folding condition module 300 is sent, and analyzed and calculated, lead to after calculating
It crosses data output end and is delivered to DCS control cabinet 6.
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 passes through control switching mould
Block 500 is 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 400 connect with the signal of DCS control cabinet 6, is manually entered terminal 600 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 the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein, and should not treat any reference in the claims as limiting
Related claim.
Claims (9)
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 control cabinet
(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 modified desulfurizer pulp feeding system according to claim 1, it is characterized in that: the slurry supply pump pipeline is
The pipeline of DN150.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821984658.0U CN209378781U (en) | 2018-11-29 | 2018-11-29 | A kind of modified desulfurizer pulp feeding system |
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| CN201821984658.0U CN209378781U (en) | 2018-11-29 | 2018-11-29 | A kind of modified desulfurizer pulp feeding system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603496A (en) * | 2018-11-29 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of modified desulfurizer pulp feeding system and its control system |
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2018
- 2018-11-29 CN CN201821984658.0U patent/CN209378781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603496A (en) * | 2018-11-29 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of modified desulfurizer pulp feeding system and its control system |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 100039 room 901, 9 / F, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039 room 911, 1 building, 16 West Fourth Ring Road, Haidian District, Beijing. Patentee before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |