CN112107975A - Desulfurization system regeneration air compression automatic control system - Google Patents
Desulfurization system regeneration air compression automatic control system Download PDFInfo
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- CN112107975A CN112107975A CN202010857621.7A CN202010857621A CN112107975A CN 112107975 A CN112107975 A CN 112107975A CN 202010857621 A CN202010857621 A CN 202010857621A CN 112107975 A CN112107975 A CN 112107975A
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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
- B01D53/346—Controlling the process
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Abstract
The invention discloses a regenerative air pressure automatic control system of a desulfurization system, which comprises a regeneration tower connected with an air pressure air pipe network through a pipeline, an automatic regulating valve arranged on the connecting pipeline of the air pressure air pipe network and the regeneration tower, and a control module for regulating and controlling the automatic regulating valve, wherein the output end of the control module is connected with the automatic regulating valve, a flowmeter is also arranged on the connecting pipeline of the air pressure air pipe network and the regeneration tower, a liquid level meter for measuring the liquid level of the regeneration tower is arranged on the regeneration tower, the flowmeter and the liquid level meter are both connected with the input end of the control module, and the output end of the control module is also connected with an alarm.
Description
Technical Field
The invention relates to a regeneration air compression automatic control system of a desulfurization system, which is used for adjusting the air compression air quantity of the regeneration system.
Background
The regeneration air source in the existing desulfurization regeneration system is taken from an air pressure air pipe network, and with the use of various environmental protection facilities of each branch plant, the pressure of the air pressure air pipe network frequently fluctuates between 0.5Mpa and 0.8Mpa under the condition of ensuring certain air pressure air unit consumption, so that the regeneration air quantity is unstable, the conditions of peroxide and oxygen deficiency are easy to occur, and the operation of the desulfurization regeneration system is not facilitated. Meanwhile, the tower overflow phenomenon caused by the sudden increase of air volume is easy to occur in the unstable regeneration air volume. In order to ensure stable regeneration air quantity and avoid the phenomenon that the air quantity of a regeneration tower increases suddenly to cause tower collapse, the existing method is to control the valve position below 5 percent for a long time, and then air pressure air of 0.65Mpa is needed to meet the process requirement, so that great waste of manpower and electric power is caused, and automatic transformation is urgently needed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an automatic control system for regeneration air pressure of a desulfurization system, which can stabilize the regeneration reaction rate of the regeneration system, avoid the influence of over-oxygen and oxygen deficiency on the desulfurization regeneration reaction, reduce the consumption of materials and manpower and reduce the environmental protection risk.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a desulfurization system regeneration air pressure wind automatic control system, includes the regeneration tower of being connected through pipeline and air pressure tuber pipe net, sets up the automatically regulated valve and the control module of regulation and control automatically regulated valve on air pressure wind pipe net and regeneration tower connecting tube, and control module's output and automatically regulated valve are connected, still be provided with the flowmeter on air pressure wind pipe net and the regeneration tower connecting tube, be provided with the level gauge of measuring the regeneration tower liquid level on the regeneration tower, and flowmeter and level gauge all are connected with control module's input, control module's output still is connected with the alarm.
The technical scheme of the invention is further improved as follows: and an emergency valve connected with the output end of the control module is also arranged on the connecting pipeline of the air pressure air pipe network and the regeneration tower.
The technical scheme of the invention is further improved as follows: and a manual regulating valve is further arranged on the connecting pipeline of the air pressure air pipe network and the regeneration tower.
The technical scheme of the invention is further improved as follows: the regulation and control method comprises the following steps: the required process air volume is input into the control module, the control module compares the input process air volume with the air pressure air flow fed back by the flowmeter, and the comparison result is divided into three conditions: A. if the air pressure air flow is larger than the input process air volume, the control module reduces the valve opening of the automatic regulating valve until the air pressure air flow is equal to the input process air volume; B. if the air pressure air flow is smaller than the input process air volume, the control module increases the valve opening of the automatic regulating valve until the air pressure air flow is equal to the input process air volume; C. and if the air pressure air flow is equal to the input process air quantity, the valve opening of the automatic regulating valve is unchanged.
The technical scheme of the invention is further improved as follows: when the automatic regulating valve is in fault, the control module starts the liquid level meter and the emergency valve, and simultaneously starts the alarm to send out an alarm signal.
Due to the adoption of the technical scheme, the invention has the technical progress that:
the invention is interlocked with the regeneration tower air regulating valve through flow and liquid level signal feedback, only the required air quantity is input according to the current process requirement, the automatic regulation of the automatic regulating valve is realized through the control module, the production requirement can be met even if the low pipe network pressure is reached, the process influence caused by untimely manual regulation is avoided, the regeneration reaction rate of the regeneration system can be stabilized, the influence of over-oxygen and oxygen deficiency on the desulfurization regeneration reaction is avoided, meanwhile, the material and manpower consumption can be reduced, and the environmental protection risk is reduced.
According to the invention, the emergency valve and the liquid level interlock are added, tower collapse accidents caused by incapability of reducing air quantity or timely reduction due to faults of the automatic regulating valve are avoided, the emergency valve is in an open state at ordinary times, when the automatic regulating valve reports faults, the control module starts the interlock to close the emergency valve to a reliable valve position for realizing adjustment, and an alarm signal is sent to remind a post to check.
The invention also reserves the original emergency manual regulating valve for accidents, and is convenient for daily maintenance and maintenance without influencing the production.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a control schematic of the present invention;
the system comprises a control module 1, an automatic regulating valve 2, an air pressure air pipe network 3, a manual regulating valve 4, an emergency valve 5, a flowmeter 6, a liquid level meter 7, an alarm 8, an alarm 9 and a regeneration tower.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1, a desulfurization system regeneration air compression wind automatic control system, through the flow, liquid level signal feedback and regenerator air regulating valve carry out chain, only need input required amount of wind size according to current technology demand, realize automatic regulating valve's automatically regulated through control module, it also can satisfy the production needs to reach low pipe network pressure, the technological influence that the artificial regulation untimely caused has been avoided, regeneration system's regeneration reaction rate can be stabilized, avoid peroxide, the oxygen deficiency is to desulfurization regeneration reaction's influence, can reduce the material simultaneously, the human consumption, reduce the environmental protection risk.
Including regeneration tower 9, the automatic regulating valve 2 that sets up on air pressure wind pipe network 3 and regeneration tower 9 connecting tube and regulation and control automatic regulating valve 2 that are connected through pipeline and air pressure wind pipe network 3 and control module 1, and control module 1's output is connected with automatic regulating valve 2, still be provided with flowmeter 6 on air pressure wind pipe network 3 and the regeneration tower 9 connecting tube, be provided with level gauge 7 of measuring regeneration tower 9 liquid level on regeneration tower 9, and flowmeter 6 and level gauge 7 all are connected with control module 1's input, control module 1's output still is connected with alarm 8.
Furthermore, an emergency valve 5 connected with the output end of the control module 1 is further arranged on a connecting pipeline between the air pressure air pipe network 3 and the regeneration tower 9.
Further, a manual regulating valve 4 is further arranged on a connecting pipeline of the air pressure air pipe network 3 and the regeneration tower 9.
As shown in fig. 2, the control method is: the required process air volume is input into the control module 1, the control module 1 compares the input process air volume with the air pressure air flow fed back by the flowmeter 6, and the comparison result is divided into three conditions: A. if the air pressure air flow is larger than the input process air quantity, the control module 1 reduces the valve opening of the automatic regulating valve 2 until the air pressure air flow is equal to the input process air quantity; B. if the air pressure air flow is smaller than the input process air volume, the control module 1 adjusts the valve opening of the automatic regulating valve 2 to be larger until the air pressure air flow is equal to the input process air volume; C. and if the air pressure air flow is equal to the input process air quantity, the valve opening of the automatic regulating valve 2 is unchanged.
The flowmeter 6 can monitor the air pressure air quantity in the pipeline in real time, and transmits the signal to the control module 1, and the control module 1 can adjust the automatic regulating valve 2 in real time until reaching the input air quantity according to the comparison between the signal transmitted by the flowmeter 6 and the input air quantity.
According to the invention, the emergency valve and the liquid level interlock are added, tower collapse accidents caused by incapability of reducing air quantity or timely reduction due to faults of the automatic regulating valve are avoided, the emergency valve is in an open state at ordinary times, when the automatic regulating valve reports faults, the control module starts the interlock to close the emergency valve to a reliable valve position for realizing adjustment, and an alarm signal is sent to remind a post to check.
The invention also reserves the original emergency manual regulating valve for accidents, and is convenient for daily maintenance and maintenance without influencing the production.
Claims (5)
1. The utility model provides a desulfurization system regeneration air compressor automatic control system which characterized in that: including regeneration tower (9) of being connected through pipeline and air pressure wind pipe network (3), set up in automatically regulated valve (2) and the control module (1) of regulation and control automatically regulated valve (2) on air pressure wind pipe network (3) and regeneration tower (9) connecting tube, and the output and the automatically regulated valve (2) of control module (1) are connected, still be provided with flowmeter (6) on air pressure wind pipe network (3) and regeneration tower (9) connecting tube, be provided with level gauge (7) of measuring regeneration tower (9) liquid level on regeneration tower (9), and flowmeter (6) and level gauge (7) all are connected with the input of control module (1), the output of control module (1) still is connected with alarm (8).
2. The automatic control system for the regeneration air pressure of the desulfurization system as recited in claim 1, wherein: and an emergency valve (5) connected with the output end of the control module (1) is further arranged on a connecting pipeline of the air pressure air pipe network (3) and the regeneration tower (9).
3. The automatic control system for the regeneration air pressure of the desulfurization system as recited in claim 1, wherein: and a manual regulating valve (4) is further arranged on a connecting pipeline of the air pressure air pipe network (3) and the regeneration tower (9).
4. The system for automatically controlling the regeneration air pressure of the desulfurization system according to any one of claims 1 to 3, characterized in that: the regulation and control method comprises the following steps: the required process air volume is input into the control module (1), the control module (1) compares the input process air volume with the air pressure air flow fed back by the flowmeter (6), and the comparison result is divided into three conditions: A. if the air pressure air flow is larger than the input process air quantity, the control module (1) reduces the valve opening of the automatic regulating valve (2) until the air pressure air flow is equal to the input process air quantity; B. if the air pressure air flow is smaller than the input process air quantity, the control module (1) adjusts the valve opening of the automatic adjusting valve (2) to be larger until the air pressure air flow is equal to the input process air quantity; C. and if the air pressure air flow is equal to the input process air quantity, the valve opening of the automatic regulating valve (2) is unchanged.
5. The automatic control system for the regeneration air pressure of the desulfurization system as claimed in claim 4, wherein: when the automatic regulating valve (2) breaks down, the control module (1) starts the liquid level meter (7) and the emergency valve (5), and simultaneously starts the alarm (8) to send out an alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857621.7A CN112107975A (en) | 2020-08-24 | 2020-08-24 | Desulfurization system regeneration air compression automatic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857621.7A CN112107975A (en) | 2020-08-24 | 2020-08-24 | Desulfurization system regeneration air compression automatic control system |
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| CN112107975A true CN112107975A (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010857621.7A Pending CN112107975A (en) | 2020-08-24 | 2020-08-24 | Desulfurization system regeneration air compression automatic control system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09217070A (en) * | 1996-02-13 | 1997-08-19 | Ishikawajima Harima Heavy Ind Co Ltd | System for controlling temperature of regenerating tower of gasified gas desulfurizer |
| CN2597053Y (en) * | 2003-01-08 | 2004-01-07 | 费耕 | Program-controlled automatic pollution discharge high pressure air filter |
| CN206541138U (en) * | 2017-02-20 | 2017-10-03 | 高翔 | The interlocking protective device of intelligent automatic water-cutting system |
| CN206973602U (en) * | 2017-06-21 | 2018-02-06 | 中石化南京工程有限公司 | A kind of spent acid pyrolysis furnace furnace gas temperature control system |
| CN207552267U (en) * | 2017-12-14 | 2018-06-29 | 邢台钢铁有限责任公司 | It is a kind of to prevent the desulfurization regeneration tower air pipe line that doctor solution pours in down a chimney |
| CN108421400A (en) * | 2018-05-18 | 2018-08-21 | 华夏碧水环保科技有限公司 | It is a kind of can on-line regeneration biogas dry desulfurization device and its sulfur method |
-
2020
- 2020-08-24 CN CN202010857621.7A patent/CN112107975A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09217070A (en) * | 1996-02-13 | 1997-08-19 | Ishikawajima Harima Heavy Ind Co Ltd | System for controlling temperature of regenerating tower of gasified gas desulfurizer |
| CN2597053Y (en) * | 2003-01-08 | 2004-01-07 | 费耕 | Program-controlled automatic pollution discharge high pressure air filter |
| CN206541138U (en) * | 2017-02-20 | 2017-10-03 | 高翔 | The interlocking protective device of intelligent automatic water-cutting system |
| CN206973602U (en) * | 2017-06-21 | 2018-02-06 | 中石化南京工程有限公司 | A kind of spent acid pyrolysis furnace furnace gas temperature control system |
| CN207552267U (en) * | 2017-12-14 | 2018-06-29 | 邢台钢铁有限责任公司 | It is a kind of to prevent the desulfurization regeneration tower air pipe line that doctor solution pours in down a chimney |
| CN108421400A (en) * | 2018-05-18 | 2018-08-21 | 华夏碧水环保科技有限公司 | It is a kind of can on-line regeneration biogas dry desulfurization device and its sulfur method |
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Application publication date: 20201222 |