CN214486331U - Wet flue gas desulfurization water conservation intelligent regulation control system - Google Patents
Wet flue gas desulfurization water conservation intelligent regulation control system Download PDFInfo
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- CN214486331U CN214486331U CN202022987892.2U CN202022987892U CN214486331U CN 214486331 U CN214486331 U CN 214486331U CN 202022987892 U CN202022987892 U CN 202022987892U CN 214486331 U CN214486331 U CN 214486331U
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Abstract
The utility model provides a wet flue gas desulfurization water conservation intelligent regulation control system, include wet flue gas desulfurization tower and the flue condenser that connects gradually through flue gas pipeline, include the comdenstion water buffer memory water tank bottom connecting flue condenser through the condensate water pipeline, still include electric valve, flowmeter, SO through signal transmission passageway and water balance intelligent control ware interconnect2The temperature measuring device comprises a detector, a humidity detector, a first thermometer, a second thermometer and a third thermometer. The utility model discloses a high-efficient coupling of flue condenser and wet flue gas desulfurization tower water system has realized the consumption to the wet flue gas desulfurization towerThe water quantity q1 and the water receiving quantity q2 of the flue condenser are judged and intelligently adjusted, so that the water consumption of the wet desulphurization system is reduced, and the water balance self-adjustment of the wet desulphurization system and the zero water supplement of the system are realized according to different requirements.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field that industry flue gas desulfurization purified, especially a wet flue gas desulfurization water conservation intelligent regulation control system.
[ background of the invention ]
In various fields such as coal-fired power plants, coking, sintering, waste incineration and the like, with the increasing strictness of the national emission standard of atmospheric pollutants, desulfurization and denitrification ultralow emission equipment basically becomes an environment-friendly standard allocation. The wet desulphurization is the most mainstream flue gas desulphurization technology, and the problems of imbalance risk of water balance and high water consumption exist while realizing high-efficiency desulphurization.
Currently, wet desulfurization systems are preferred to employ or develop a variety of mature techniques to control the risk of water imbalance: for example, the invention patent No. CN107224865B proposes that a water collecting tank arranged below a demister is used for collecting demisting washing water, and a bypass technology is adopted to realize that the washing water directly flows back into a desulfurizing tower or enters a water collecting tank for recycling, so as to maintain the water balance of the system; the invention patent application No. 201510071613.9 proposes that the filtered water in the flushing filtering water pool is conveyed to a slurry tank for wholly or partially replacing the pulping water, thereby realizing the rebalancing of the water system; the invention patent application No. 201711400205.9 provides a control method for improving dynamic characteristics of water balance of a serial tower desulfurization system, which realizes dynamic control of water balance between a primary tower and a secondary tower.
In 2017, along with the rise of the colored smoke plume treatment market, the flue condensation water-collecting technology is widely applied, the problem of high water consumption of a wet desulphurization system is effectively relieved, but the problems of selection and effective control of a condensation water recycling way are not paid attention. Therefore, the applicant aims to develop a water-saving intelligent regulation and control system for wet desulphurization, so as to realize self regulation and zero water replenishment of the water balance of a wet desulphurization system.
[ Utility model ] content
The utility model discloses an aim at solving the problem among the prior art, provide a wet flue gas desulfurization water conservation intelligent regulation control system, the moisture through retrieving wet flue gas desulfurization tower export flue gas is as water system reuse water, not only can realize the water conservation, can reach intelligent regulation's purpose moreover.
In order to achieve the purpose, the utility model provides a wet flue gas desulfurization water conservation intelligent regulation control system, including wet flue gas desulfurization tower, flue condenser, water balance intelligent control ware, electric valve, comdenstion water buffer tank, flowmeter, SO2The wet desulphurization system comprises a detector, a humidity detector, a first thermometer, a second thermometer and a third thermometer, wherein a flowmeter and an SO (sulfur oxide) are arranged on an inlet flue of the wet desulphurization tower2Detect meter, humidity detection meter and first thermometer, the export flue of wet flue gas desulfurization tower is connected with the entry flue of flue condenser, the condensate water pipeline of flue condenser bottom is connected with comdenstion water buffer water tank, still set the second thermometer on the wet flue gas desulfurization tower export flue, still set the third thermometer on the flue condenser export flue of flue, flowmeter, SO2The detection meter, the humidity detection meter, the first thermometer, the second thermometer and the third thermometer are respectively electrically connected with the water balance intelligent controller through signal transmission channels, detected flue gas parameters are transmitted to the water balance intelligent controller, the water balance intelligent controller is electrically connected with the electric valve through the signal transmission channels and used for controlling the opening degree of the electric valve, the inlet of the electric valve is connected with the cold source, and the outlet of the electric valve is connected with the flue condenser.
Preferably, the flow meter and SO2The detection meter, the humidity detection meter and the first thermometer are sequentially arranged on an inlet flue of the wet desulphurization tower along the flue gas input direction, the flowmeter is used for detecting the flow rate of raw flue gas, and the SO is used for detecting the flow rate of the raw flue gas2For detecting meterIn detecting the original flue gas SO2The humidity detector is used for detecting the water content of the original smoke, and the first thermometer is used for detecting the temperature of the original smoke.
Preferably, the second thermometer is used for detecting the temperature of the clean flue gas after desulfurization.
Preferably, the third thermometer is configured to detect a temperature of the net flue gas after the water is condensed and collected.
The utility model has the advantages that:
1. the utility model discloses a flue condensation technique realizes having realized energy-conserving water conservation to the high-efficient recovery that wet flue gas desulfurization tower export flue gas contains.
2. The utility model discloses a high-efficient coupling of flue condenser and wet flue gas desulfurization tower water system is accomplished to intelligent regulation control system, has realized the self-interacting and the zero moisturizing of wet flue gas desulfurization tower water balance.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a structural diagram of the wet desulphurization water-saving intelligent regulation control system of the utility model.
In the figure: 1-wet desulfurization tower, 2-flue condenser, 3-water balance intelligent controller, 4-electric valve, 5-condensate water buffer tank, 6-flowmeter, 7-SO2The detection meter, 8-humidity detection meter, 91-first thermometer, 92-second thermometer, 93-third thermometer.
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to a wet flue gas desulfurization water conservation intelligent regulation control system includes wet flue gas desulfurization tower 1, flue condenser 2, water balance intelligent control ware 3, electric valve 4, comdenstion water buffer tank 5, flowmeter 6, SO2A detector 7, a humidity detector 8, a first thermometer 91, a second thermometer 92 and a third thermometer 93, wherein a flowmeter 6 and an SO are arranged on an inlet flue of the wet desulphurization tower 12Detect meter 7, humidity and detect meter 8 and first thermometer 91, the export flue of wet flue gas desulfurization tower 1 is connected with the entry flue of flue condenser 2, the condensate water pipeline of flue condenser 2 bottomIs connected with a condensed water buffer water tank 5, a second thermometer 92 is also arranged on the outlet flue of the wet desulphurization tower 1, a third thermometer 93 is also arranged on the outlet flue of the flue condenser 2, and the flowmeter 6 and the SO2The detection meter 7, the humidity detection meter 8, the first thermometer 91, the second thermometer 92 and the third thermometer 93 are respectively electrically connected with the water balance intelligent controller 3 through signal transmission channels, and transmit detected flue gas parameters to the water balance intelligent controller 3, the water balance intelligent controller 3 is electrically connected with the electric valve 4 through the signal transmission channels to control the opening degree of the electric valve 4, the inlet of the electric valve 4 is connected with a cold source, and the outlet of the electric valve 4 is connected with the flue condenser 2.
Further, the flow meter 6, SO2The detection meter 7, the humidity detection meter 8 and the first thermometer 91 are sequentially arranged on the inlet flue of the wet desulphurization tower 1 along the flue gas input direction, the flow meter 6 is used for detecting the flow rate of the raw flue gas, and the SO2The detector 7 is used for detecting the original flue gas SO2Content, humidity detector 8 is used for detecting former flue gas water content, first thermometer 91 is used for detecting former flue gas temperature. The second thermometer 92 is used for detecting the temperature of the desulfurized clean flue gas. The third thermometer 93 is used for detecting the temperature of the clean flue gas after water is condensed and collected.
The utility model relates to a control method of wet flue gas desulfurization water conservation intelligent regulation control system, including following step:
s1, before desulfurization, carrying out desulfurization operation on raw flue gas through a wet desulfurization tower 1, reducing the temperature by about 50 ℃, then carrying out condensation water collection operation through a flue condenser 2, reducing the temperature to 42-48 ℃, and then conveying the raw flue gas to a chimney for discharge;
s2, passing through a flowmeter 6 and an SO2The detection meter 7, the humidity detection meter 8, the first thermometer 91, and the second thermometer 92 detect the flow Q, SO of the raw flue gas2The content phi 1, the water content phi 2, the temperature T1 and the temperature T2 of the desulfurized clean flue gas are transmitted to a water balance intelligent controller 3, and the water balance intelligent controller 3 automatically calculates the water consumption q1 of the wet desulfurization tower 1 according to the signals;
s3, transmitting the detected net flue gas temperature T3 after water is condensed and collected to the water balance intelligent controller 3 through a third thermometer 93, and automatically calculating the water collection amount q2 of the flue condenser 2 by the water balance intelligent controller 3 according to Q, T2 and T3;
s4, the intelligent water balance controller 3 judges and automatically adjusts the obtained q1 and q 2;
if q1 is greater than q2, the water balance intelligent controller 3 outputs a signal, the opening degree of the electric valve 4 is increased, the temperature T3 of the clean flue gas at the outlet of the flue condenser 2 is reduced, and then q2 is increased;
if q1 is less than q2, the water balance intelligent controller 3 outputs a signal, reduces the opening degree of the electric valve 4, improves the temperature T3 of the clean flue gas at the outlet of the flue condenser 2, and further reduces q 2;
and when the condition that the content of q2/q1 is more than or equal to 99 percent and less than or equal to 101 percent is met, ending the judgment.
And S5, water is collected by condensation of the flue condenser 2 and enters the condensed water buffer water tank 5 through a condensed water pipeline, and then the self-regulation of the water balance of the wet desulphurization system and the zero water supplement of the system are realized according to different requirements. Namely, according to different requirements, the outlet water of the condensed water buffer tank 5 can be used as the washing water of a desulfurization demister or pulping water.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (4)
1. The utility model provides a wet flue gas desulfurization water conservation intelligent regulation control system which characterized in that: comprises a wet desulphurization tower (1), a flue condenser (2), a water balance intelligent controller (3), an electric valve (4), a condensed water buffer tank (5), a flowmeter (6), and SO2The wet desulphurization system comprises a detector (7), a humidity detector (8), a first thermometer (91), a second thermometer (92) and a third thermometer (93), wherein a flowmeter (6) and an SO (sulfur oxide) are arranged on an inlet flue of the wet desulphurization tower (1)2The device comprises a detection meter (7), a humidity detection meter (8) and a first thermometer (91), wherein an outlet flue of the wet desulphurization tower (1) is connected with an inlet flue of a flue condenser (2), and the flue condenser is connected with an inlet flue of a flue condenser (2)(2) The condensate water pipeline of bottom is connected with comdenstion water buffer tank (5), still set second thermometer (92) on wet flue gas desulfurization tower (1) export flue, still set third thermometer (93) on flue condenser (2) export flue, flowmeter (6), SO2The detection meter (7), the humidity detection meter (8), the first thermometer (91), the second thermometer (92) and the third thermometer (93) are respectively electrically connected with the water balance intelligent controller (3) through signal transmission channels, detected smoke parameters are transmitted to the water balance intelligent controller (3), the water balance intelligent controller (3) is electrically connected with the electric valve (4) through the signal transmission channels and used for controlling the opening degree of the electric valve (4), the inlet of the electric valve (4) is connected with the cold source, and the outlet of the electric valve (4) is connected with the flue condenser (2).
2. The wet desulphurization water-saving intelligent regulation control system as claimed in claim 1, characterized in that: the flowmeter (6) and SO2The detection meter (7), the humidity detection meter (8) and the first thermometer (91) are sequentially arranged on an inlet flue of the wet desulphurization tower (1) along the flue gas input direction, the flowmeter (6) is used for detecting the flow rate of the raw flue gas, and the SO is used for detecting the flow rate of the raw flue gas2The detection meter (7) is used for detecting the original flue gas SO2The humidity detection meter (8) is used for detecting the water content of the original smoke, and the first thermometer (91) is used for detecting the temperature of the original smoke.
3. The wet desulphurization water-saving intelligent regulation control system as claimed in claim 1, characterized in that: the second thermometer (92) is used for detecting the temperature of the desulfurized clean flue gas.
4. The wet desulphurization water-saving intelligent regulation control system as claimed in claim 1, characterized in that: and the third thermometer (93) is used for detecting the temperature of the clean smoke after water is condensed and collected.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112675673A (en) * | 2020-12-11 | 2021-04-20 | 浙江菲达环保科技股份有限公司 | Wet desulphurization water-saving intelligent regulation control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112675673A (en) * | 2020-12-11 | 2021-04-20 | 浙江菲达环保科技股份有限公司 | Wet desulphurization water-saving intelligent regulation control system and method |
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