CN109499288A - A kind of wet desulphurization automatic control system - Google Patents
A kind of wet desulphurization automatic control system Download PDFInfo
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- CN109499288A CN109499288A CN201811257512.0A CN201811257512A CN109499288A CN 109499288 A CN109499288 A CN 109499288A CN 201811257512 A CN201811257512 A CN 201811257512A CN 109499288 A CN109499288 A CN 109499288A
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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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention provides a kind of wet desulphurization automatic control system by improving herein, it is characterised in that: automatically controls including pH value, loop slurry pit level automatically controls, Sprayer Circulation pump discharge automatically controls, drainage automatically controls, demister backwash automatically controls, desulfurizing tower operation monitoring system.Effectively to solve wet desulfurization system auto-control, it ensure that wet desulfurization system continuous-stable operates normally, reduce operating cost, reduce artificial, supplies consumption, meet national energy conservation and emission reduction policy.
Description
Technical field
The present invention relates to desulfurization automation fields, are specifically a kind of wet desulphurization automatic control systems.
Background technique
Now with the development in city, waste incineration is increasingly had been favored by people, and such as fills processing side with other
Method is compared, and is had and is not accounted for the advantages such as soil, energy saving.But it in the gas cleaning processing to waste incinerator, often needs
Desulfurization operations are carried out to it.
Summary of the invention
Therefore, in order to solve above-mentioned deficiency, the present invention provides a kind of wet desulphurization automatic control system herein.
The invention is realized in this way constructing a kind of wet desulphurization automatic control system, it is characterised in that: certainly including pH value
Dynamic control, loop slurry pit level automatically control, Sprayer Circulation pump discharge automatically controls, drainage automatically controls, demister
Backwash automatic control, desulfurizing tower operation monitoring system；
The pH value automatic control system is made of PLC, PH meter, metering pump, lye tank, and PLC receives the slurries of PH meter actual measurement
After the pH value of pond, the flow that lye adds is adjusted according to the frequency of the pH value state modulator metering pump of setting.To make desulphurization system
PH value stablize in ideal traffic coverage, the consumption of reduction lye dosage while guaranteeing desulfurization effect；
The loop slurry pit level automatic control system is made of PLC, liquidometer, pneumatic water compensating valve, slurry pool, and PLC is received
After the slurry pool level value surveyed to liquidometer, according to the opening and closing of the pneumatic water compensating valve of level value state modulator of setting, make slurries
The liquid level in pond is kept constant, and reduces manual operation and inspection amount.
The Sprayer Circulation pump discharge automatic control system is by PLC, on-line monitoring equipment, Sprayer Circulation pump group at PLC exists
After the flue gas emission data for receiving on-line monitoring equipment real-time detection, is controlled and sprayed according to the standard limit of smog release value parameter of setting
Drench circulating pump frequency and open quantity, while guaranteeing flue gas qualified discharge, make slurries spray flow with amount of sulfur contenting in smoke with
The variation of exhaust gas volumn and change；To reduce the operation power consumption of desulphurization system；
The drainage automatic control system is made of PLC, densitometer, pneumatic sewage drain valve, and PLC is receiving densitometer actual measurement
Slurry pool density value after, according to the density value state modulator pneumatic sewage drain valve of setting be opened and closed, keep recycle slurry liquid pool density stabilized
Stablizing in ideal traffic coverage, circulated sprinkling system jams is being avoided while guaranteeing desulfurization effect, to ensure that desulfurization
The continuous operation and reduction late maintenance cost of system.
Demister recoil washing automatic control system is made of PLC, clear water reserviors, fresh water pump, and PLC is according to the recoil of setting
The start and stop for washing interval time and once flushing time parameter control fresh water pump make demister avoid blocking up because loop slurry crystallizes
Plug, to ensure that the continuous operation of desulphurization system and reduce late maintenance cost.
The desulfurizing tower operation monitoring system is made of instrument and meter, PLC, and PLC real-time monitoring simultaneously records system operation ginseng
Number provides alarm signal in system operational parameters exception, worker's detection processing is reminded, to guarantee desulphurization system continuous-stable
Operation reduces failure rate.
The present invention has the advantage that the invention discloses a kind of wet desulphurization automatic control systems, it is characterised in that: packet
Include pH value automatic control, loop slurry pit level automatically controls, Sprayer Circulation pump discharge automatically controls, drainage is controlled automatically
System, demister backwash automatic control, desulfurizing tower operation monitoring system.Effectively to solve wet desulfurization system auto-control,
It ensure that wet desulfurization system continuous-stable operates normally, reduce operating cost, reduce artificial, supplies consumption, meet national section
It can emission reduction policy.
Detailed description of the invention
Fig. 1 is present system structural block diagram.
Specific embodiment
Below in conjunction with attached drawing 1, the present invention is described in detail, and technical solution in the embodiment of the present invention carries out clear
Chu is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
The present invention provides a kind of wet desulphurization automatic control system by improving herein, it is characterised in that: certainly including pH value
Dynamic control, loop slurry pit level automatically control, Sprayer Circulation pump discharge automatically controls, drainage automatically controls, demister
Backwash automatic control, desulfurizing tower operation monitoring system.Effectively to solve wet desulfurization system auto-control, wet process ensure that
Desulphurization system continuous-stable operates normally, and reduces operating cost, reduces artificial, supplies consumption, meets national energy conservation and emission reduction policy.
1, pH value automatic control system
PH value automatic control system is made of PLC, PH meter, metering pump, lye tank, and PLC receives the slurry pool PH of PH meter actual measurement
After value, the flow that lye adds is adjusted according to the frequency of the pH value state modulator metering pump of setting.To make the PH of desulphurization system
Value is stablized in ideal traffic coverage, and the consumption of lye dosage is reduced while guaranteeing desulfurization effect.
2, loop slurry pit level automatic control system
Loop slurry pit level automatic control system is made of PLC, liquidometer, pneumatic water compensating valve, slurry pool, and PLC receives liquid
After the slurry pool level value of position meter actual measurement, according to the opening and closing of the pneumatic water compensating valve of level value state modulator of setting, make slurry pool
Liquid level is kept constant, and reduces manual operation and inspection amount.
3, Sprayer Circulation pump discharge automatic control system
Sprayer Circulation pump discharge automatic control system is by PLC, on-line monitoring equipment, Sprayer Circulation pump group at PLC is being received
After the flue gas emission data of line monitoring device real-time detection, Sprayer Circulation pump is controlled according to the standard limit of smog release value parameter of setting
Frequency and open quantity, while guaranteeing flue gas qualified discharge, make slurries spray flow with amount of sulfur contenting in smoke and exhaust gas volumn
Change and changes.To reduce the operation power consumption of desulphurization system.
4, drainage automatic control system
Drainage automatic control system is made of PLC, densitometer, pneumatic sewage drain valve, and PLC is in the slurry for receiving densitometer actual measurement
After liquid pool density value, it is opened and closed according to the density value state modulator pneumatic sewage drain valve of setting, keeps recycle slurry liquid pool density stabilized steady
It is scheduled on ideal traffic coverage, circulated sprinkling system jams are avoided while guaranteeing desulfurization effect, to ensure that desulphurization system
Continuous operation and reduce late maintenance cost.
5, demister recoil washing automatic control system
Demister recoil washing automatic control system is made of PLC, clear water reserviors, fresh water pump, when PLC is according to the backwash interval of setting
Between and once flushing time parameter control fresh water pump start and stop, make demister avoid because loop slurry crystallize due to block, to protect
It has demonstrate,proved the continuous operation of desulphurization system and has reduced late maintenance cost.
6, desulfurizing tower operation monitoring system
Desulfurizing tower operation monitoring system is made of instrument and meter, PLC, and PLC real-time monitoring simultaneously records system operational parameters, in system
Alarm signal is provided when operating parameter exception, reminds worker's detection processing.To guarantee desulphurization system continuous and steady operation, reduce
Failure rate.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (1)
1. a kind of wet desulphurization automatic control system, it is characterised in that: automatic including pH value automatic control, loop slurry pit level
Control, Sprayer Circulation pump discharge automatically control, drainage automatically controls, demister backwash automatically controls, desulfurizing tower operation
Monitoring system；
The pH value automatic control system is made of PLC, PH meter, metering pump, lye tank, and PLC receives the slurries of PH meter actual measurement
After the pH value of pond, the flow that lye adds is adjusted according to the frequency of the pH value state modulator metering pump of setting；To make desulphurization system
PH value stablize in ideal traffic coverage, the consumption of reduction lye dosage while guaranteeing desulfurization effect；
The loop slurry pit level automatic control system is made of PLC, liquidometer, pneumatic water compensating valve, slurry pool, and PLC is received
After the slurry pool level value surveyed to liquidometer, according to the opening and closing of the pneumatic water compensating valve of level value state modulator of setting, make slurries
The liquid level in pond is kept constant, and reduces manual operation and inspection amount；
The Sprayer Circulation pump discharge automatic control system is by PLC, on-line monitoring equipment, Sprayer Circulation pump group at PLC is being received
To after the flue gas emission data of on-line monitoring equipment real-time detection, followed according to the standard limit of smog release value parameter of setting control spray
The frequency and unlatching quantity of ring pump make slurries spray flow with amount of sulfur contenting in smoke and flue gas while guaranteeing flue gas qualified discharge
The variation of amount and change；To reduce the operation power consumption of desulphurization system；
The drainage automatic control system is made of PLC, densitometer, pneumatic sewage drain valve, and PLC is receiving densitometer actual measurement
Slurry pool density value after, according to the density value state modulator pneumatic sewage drain valve of setting be opened and closed, keep recycle slurry liquid pool density stabilized
In ideal traffic coverage, circulated sprinkling system jams are avoided while guaranteeing desulfurization effect, to ensure that desulphurization system
Continuous operation and reduction late maintenance cost；
The demister recoil washing automatic control system is made of PLC, clear water reserviors, fresh water pump, and PLC is according between the backwash of setting
Every the start and stop of time and once flushing time parameter control fresh water pump, demister is made to avoid blocking because loop slurry crystallizes, from
And it ensure that the continuous operation of desulphurization system and reduce late maintenance cost；
The desulfurizing tower operation monitoring system is made of instrument and meter, PLC, and PLC real-time monitoring simultaneously records system operational parameters,
Alarm signal is provided when system operational parameters exception, reminds worker's detection processing, thus guarantee desulphurization system continuous and steady operation,
Reduce failure rate.
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| CN201811257512.0A CN109499288A (en) | 2018-10-26 | 2018-10-26 | A kind of wet desulphurization automatic control system |
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| CN201811257512.0A CN109499288A (en) | 2018-10-26 | 2018-10-26 | A kind of wet desulphurization automatic control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180351A (en) * | 2019-05-09 | 2019-08-30 | 优赛环保工程(天津)有限公司 | Coke-oven plant's sulphur ammonium, desulfurization, salt extraction workshop section emission-control equipment and its processing method |
| CN110180355A (en) * | 2019-06-10 | 2019-08-30 | 东营市俊源石油技术开发有限公司 | A kind of wet-dry change combined desulfurization and denitration running gear and method |
| CN111375302A (en) * | 2020-04-17 | 2020-07-07 | 上海龙净环保科技工程有限公司 | Wet desulphurization energy-saving control method and system |
| CN112076615A (en) * | 2020-09-17 | 2020-12-15 | 佛山羽峰环保有限公司 | Kiln flue gas desulfurization process and desulfurization system applying same |
| CN113262611A (en) * | 2021-05-17 | 2021-08-17 | 张家港扬子江冷轧板有限公司 | Automatic add acid mist washing equipment of alkali |
| CN113274862A (en) * | 2021-05-18 | 2021-08-20 | 云南驰宏锌锗股份有限公司 | Flue gas acid making tail gas desulphurization unit is smelted to lead zinc |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000355709A (en) * | 1999-06-14 | 2000-12-26 | Nkk Corp | Molten iron schedule preparing device |
| CN101303595A (en) * | 2008-06-19 | 2008-11-12 | 浙江天蓝脱硫除尘有限公司 | Open ring fuzzy control system for wet process FGD system |
| CN202838010U (en) * | 2012-10-26 | 2013-03-27 | 湘潭保利光电测控科技有限公司 | DCS (Distributed Control System) for wet flue gas desulfurization of furnace and furnace kiln |
| CN103676859A (en) * | 2013-12-04 | 2014-03-26 | 国网河南省电力公司安阳供电公司 | Large coal-fired boiler wet-process flue gas desulfurization device control system |
| CN103885397A (en) * | 2013-12-23 | 2014-06-25 | 南宁职业技术学院 | Wet process flue gas desulphurization intelligent monitoring system and method |
| CN106390707A (en) * | 2016-11-30 | 2017-02-15 | 合肥亿福自动化科技有限公司 | Flue gas wet-desulfurization system |
-
2018
- 2018-10-26 CN CN201811257512.0A patent/CN109499288A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000355709A (en) * | 1999-06-14 | 2000-12-26 | Nkk Corp | Molten iron schedule preparing device |
| CN101303595A (en) * | 2008-06-19 | 2008-11-12 | 浙江天蓝脱硫除尘有限公司 | Open ring fuzzy control system for wet process FGD system |
| CN202838010U (en) * | 2012-10-26 | 2013-03-27 | 湘潭保利光电测控科技有限公司 | DCS (Distributed Control System) for wet flue gas desulfurization of furnace and furnace kiln |
| CN103676859A (en) * | 2013-12-04 | 2014-03-26 | 国网河南省电力公司安阳供电公司 | Large coal-fired boiler wet-process flue gas desulfurization device control system |
| CN103885397A (en) * | 2013-12-23 | 2014-06-25 | 南宁职业技术学院 | Wet process flue gas desulphurization intelligent monitoring system and method |
| CN106390707A (en) * | 2016-11-30 | 2017-02-15 | 合肥亿福自动化科技有限公司 | Flue gas wet-desulfurization system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180351A (en) * | 2019-05-09 | 2019-08-30 | 优赛环保工程(天津)有限公司 | Coke-oven plant's sulphur ammonium, desulfurization, salt extraction workshop section emission-control equipment and its processing method |
| CN110180355A (en) * | 2019-06-10 | 2019-08-30 | 东营市俊源石油技术开发有限公司 | A kind of wet-dry change combined desulfurization and denitration running gear and method |
| CN111375302A (en) * | 2020-04-17 | 2020-07-07 | 上海龙净环保科技工程有限公司 | Wet desulphurization energy-saving control method and system |
| CN112076615A (en) * | 2020-09-17 | 2020-12-15 | 佛山羽峰环保有限公司 | Kiln flue gas desulfurization process and desulfurization system applying same |
| CN113262611A (en) * | 2021-05-17 | 2021-08-17 | 张家港扬子江冷轧板有限公司 | Automatic add acid mist washing equipment of alkali |
| CN113274862A (en) * | 2021-05-18 | 2021-08-20 | 云南驰宏锌锗股份有限公司 | Flue gas acid making tail gas desulphurization unit is smelted to lead zinc |
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Application publication date: 20190322 |
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