CN215609449U - Desulfurization wastewater Cl-On-line detection and intelligent emission control system - Google Patents
Desulfurization wastewater Cl-On-line detection and intelligent emission control system Download PDFInfo
- Publication number
- CN215609449U CN215609449U CN202121025264.4U CN202121025264U CN215609449U CN 215609449 U CN215609449 U CN 215609449U CN 202121025264 U CN202121025264 U CN 202121025264U CN 215609449 U CN215609449 U CN 215609449U
- Authority
- CN
- China
- Prior art keywords
- waste water
- desulfurization waste
- desulfurization
- concentration
- emission control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The application discloses desulfurization waste water Cl‑On-line measuring and intelligent emission control system, including desulfurization waste water pre-settling device, diluting device, filter equipment and detection accounting device that connect gradually with desulfurization waste water pre-settling device, desulfurization waste water pre-settling device is used for getting rid of the solid in the desulfurization waste water, and diluting device is used for diluting desulfurization waste water, and filter equipment is used for filtering desulfurization waste water, detects the Cl that accounting device is used for detecting among the desulfurization waste water‑The concentration is converted into an electric signal to be transmitted to a DCS system and the electric signal is transmitted to the DCS systemFor according to Cl in DCS system‑This desulfurization waste water emission is calculated to the concentration to convert to signal of telecommunication transmission to DCS system, DCS system carries out desulfurization waste water intelligence emission control according to this desulfurization waste water emission, enables the power plant operation personnel to monitor Cl among the desulfurization waste water in real time‑Concentration, calculating the optimal desulfurization wastewater discharge amount to enable Cl‑The concentration is maintained in the optimal range, and the economical efficiency and the safety of the unit operation are improved.
Description
Technical Field
The utility model belongs to the technical field of pollutant emission control of coal-fired power plants, and particularly relates to desulfurization wastewater Cl-An online detection and intelligent emission control system.
Background
The limestone-gypsum wet desulphurization process is widely applied in China, and the technical route is generally as follows: in the absorption tower, limestone slurry is sprayed downwards by a spray layer nozzle, contacts with the flue gas flowing upwards in a countercurrent manner and absorbs sulfur dioxide in the flue gas to generate calcium sulfite, the calcium sulfite is converted into calcium sulfate dihydrate under the oxidation action of oxidizing wind, and in order to maintain the material balance in the absorption tower and ensure the healthy operation of equipment in the absorption tower, a certain amount of desulfurization wastewater needs to be discharged by the absorption tower. Wherein the desulfurization wastewater belongs to high-salinity wastewater at the tail end of a coal-fired power plant and is characterized by complex wastewater components, high solid content, high salt content and Cl-High concentration and high hardness. People pay more and more attention to environmental protection work at present, and the discharge of desulfurization waste water and Cl-The control of (a) becomes more and more important.
Since the desulfurization waste water has the above-mentioned characteristics, the existing Cl of the desulfurization waste water-The detection is generally carried out by a chemical team of a power plant for manual testing, and the defects of the manual testing mode comprise: the sampling and detection automation degree is low, the sampling and pretreatment time is long, the process is complex, the detection period is long, the online detection cannot be realized, the detection value has serious hysteresis, the detection value is not consistent with the field operation condition, and the guidance significance of the detection value to the field operation is not goodIs large. In addition, the discharge amount of the desulfurization wastewater of the power plant is determined by the unit operation condition and the Cl of the desulfurization wastewater-The detection value determines that the existing desulfurization waste water discharge mode of the power plant is generally irregular, namely the discharge interval is irregular and the waste water discharge amount is irregular, and the defect of the desulfurization waste water discharge mode is that when the waste water discharge amount is insufficient, Cl in the waste water is generated-The concentration is high, so that the desulfurization efficiency of the absorption tower is influenced, the operation of instruments and equipment is influenced, the dehydration of gypsum at the rear end is influenced, the quality of the gypsum is influenced, and the stable operation of a unit is not facilitated; when the discharge amount of the waste water is excessive, the water supplement amount of the absorption tower is increased, the gypsum oxidation crystallization effect is poor, the gypsum dehydration is difficult, the treatment amount of rear-end equipment is increased, the waste water treatment cost is increased, the operation cost is increased, and the economic operation of a unit is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides desulfurization wastewater Cl-The on-line detection and intelligent emission control system can enable power plant operators to monitor Cl in the desulfurization wastewater in real time-The concentration helps the power plant operating personnel to calculate the optimal discharge amount of the desulfurization wastewater so as to lead the Cl in the desulfurization wastewater-The concentration is maintained in the optimal range, the workload of power plant inspection personnel and chemical examination personnel is reduced, and the economical efficiency and the safety of unit operation are improved.
The utility model provides desulfurization wastewater Cl-On-line measuring and intelligent emission control system including the desulfurization waste water preliminary sedimentation device that is connected to desulfurization waste water sample connection, and with dilution device, filter equipment and the detection accounting device that desulfurization waste water preliminary sedimentation device connected gradually, desulfurization waste water preliminary sedimentation device is used for getting rid of the solid in the desulfurization waste water, dilution device is used for right desulfurization waste water dilutes, filter equipment is used for right desulfurization waste water filters, it is used for detecting to detect accounting device Cl among the desulfurization waste water-The concentration is converted into an electric signal and transmitted to a DCS (distributed control system) connected with the detection and calculation device, and the electric signal is also used for detecting Cl in the DCS according to the Cl-The concentration calculates the discharge amount of the desulfurization wastewater, converts the discharge amount into an electric signal and transmits the electric signal to the DCS, and the DCS is used for calculating the discharge amount of the desulfurization wastewater according to the electric signalAnd carrying out intelligent emission control on the desulfurization wastewater discharge amount.
Preferably, the above-mentioned desulfurized waste water Cl-In the on-line measuring and intelligent emission control system, still including installing the flue gas analyzer in absorption tower entry flue for detect absorption tower entry flue gas hydrogen chloride concentration then convert absorption tower entry flue gas hydrogen chloride concentration signal of telecommunication into and with absorption tower entry flue gas hydrogen chloride concentration signal of telecommunication transmit to with the flue gas analyzer is connected the DCS system, detect the accounting device and be used for following transfer in the DCS system absorption tower entry flue gas hydrogen chloride concentration signal of telecommunication combines the desulfurization waste water chloride ion concentration signal of telecommunication, the absorption tower entry flue gas volume signal of telecommunication and the absorption tower operation liquid level signal of telecommunication of gathering to calculate the primary detection time under the desulfurization waste water, carries out the intelligent emission control of desulfurization waste water.
Preferably, the above-mentioned desulfurized waste water Cl-In on-line measuring and intelligent emission control system, desulfurization waste water sinks the device in advance include with the entry control door that desulfurization waste water sample connection and with the desulfurization waste water that entry control door is connected sinks the groove in advance, desulfurization waste water sinks the groove in advance and is connected to through the export electrically operated gate diluting device, desulfurization waste water sinks the bottom in groove in advance still has the blowdown electrically operated gate, and upper portion still has the level gauge.
Preferably, the above-mentioned desulfurized waste water Cl-In on-line measuring and intelligent emission control system, diluting device include with the dilution tank that the export electrically operated gate is connected, the upper portion of dilution tank has the dilution water electrically operated gate, the dilution water electrically operated gate is connected to the manual door of dilution water through the flowmeter, the lower part of dilution tank has dilution tank blowdown electrically operated gate.
Preferably, the above-mentioned desulfurized waste water Cl-In the on-line detection and intelligent emission control system, the filtering device is a self-cleaning quartz sand filter, a mechanical filter or a membrane filter.
Preferably, the above-mentioned desulfurized waste water Cl-In the on-line detection and intelligent emission control system, the detection and calculation device comprises a test water tank connected with the filtering device and a water tank connected with the filtering deviceThe water quality analyzer is characterized in that water in the test water tank is communicated with the water quality analyzer, and a test water tank sewage discharge electric door is arranged at the lower part of the test water tank.
Preferably, the above-mentioned desulfurized waste water Cl-In the on-line measuring and intelligent emission control system, the entry control door include with the entry hand-operated gate that desulfurization waste water sample connection and with the entry electrically operated gate that the other end of entry hand-operated gate is connected.
Preferably, the above-mentioned desulfurized waste water Cl-In the on-line measuring and intelligent emission control system, desulfurization waste water sample connection includes gypsum swirler overflow mouth, waste water swirler overflow, desulfurizing tower blowdown pipeline or desulfurizing tower overflow pipe.
As can be seen from the above description, the present invention provides the above-mentioned desulfurized waste water Cl-On-line measuring and intelligent emission control system, because including the desulfurization waste water preliminary sedimentation device that is connected to desulfurization waste water sample connection, and with dilution device, filter equipment and the detection accounting device that desulfurization waste water preliminary sedimentation device connected gradually, desulfurization waste water preliminary sedimentation device is used for getting rid of the solid in the desulfurization waste water, dilution device is used for right desulfurization waste water dilutes, filter equipment is used for right desulfurization waste water filters, it is used for detecting to detect accounting device Cl among the desulfurization waste water-The concentration is converted into an electric signal and transmitted to a DCS (distributed control system) connected with the detection and calculation device, and the electric signal is also used for detecting Cl in the DCS according to the Cl-The concentration calculates this desulfurization waste water discharge to convert to signal of telecommunication and transmit extremely the DCS system, the DCS system be used for according this desulfurization waste water discharge carries out desulfurization waste water's intelligent emission control, consequently can make the power plant operation personnel real time monitoring Cl in the desulfurization waste water-The concentration helps the power plant operating personnel to calculate the optimal discharge amount of the desulfurization wastewater so as to lead the Cl in the desulfurization wastewater-The concentration is maintained in the optimal range, the workload of power plant inspection personnel and chemical examination personnel is reduced, and the economical efficiency and the safety of unit operation are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 shows desulfurization wastewater Cl provided by the utility model-A schematic diagram of an embodiment of an online detection and intelligent emissions control system;
FIG. 2 shows desulfurization waste water Cl-A schematic diagram of one embodiment of an online detection and intelligent emission control system.
Detailed Description
The core of the utility model is to provide the desulfurization wastewater Cl-The on-line detection and intelligent emission control system can enable power plant operators to monitor Cl in the desulfurization wastewater in real time-The concentration helps the power plant operating personnel to calculate the optimal discharge amount of the desulfurization wastewater so as to lead the Cl in the desulfurization wastewater-The concentration is maintained in the optimal range, the workload of power plant inspection personnel and chemical examination personnel is reduced, and the economical efficiency and the safety of unit operation are improved.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides desulfurization wastewater Cl-An embodiment of an on-line detection and intelligent emission control system is shown in fig. 1, and fig. 1 shows desulfurization wastewater Cl provided by the utility model-The schematic diagram of the embodiment of the online detection and intelligent emission control system comprises a desulfurization wastewater pre-settling device 101 connected to a desulfurization wastewater sampling port, and a diluting device 102, a filtering device 103 and a diluting device connected with the desulfurization wastewater pre-settling device 101 in sequenceDetect computing device 104, desulfurization waste water is heavy device 101 in advance and is used for getting rid of the solid in the desulfurization waste water, and diluting device 102 is used for diluting desulfurization waste water, and filter equipment 103 is used for filtering desulfurization waste water, detects that computing device 104 is used for detecting the Cl in the desulfurization waste water-The concentration is converted into an electric signal and transmitted to a DCS (distributed control System) connected with a detection and calculation device, and the electric signal is also used for detecting Cl in the DCS according to the Cl-The concentration calculates this desulfurization waste water discharge to convert the signal of telecommunication to transmit to the DCS system, the DCS system is used for carrying out the intelligent emission control of desulfurization waste water according to this desulfurization waste water discharge.
It should be noted that the desulfurization waste water includes, but is not limited to, desulfurization slurry in an absorption tower, overflow slurry of the absorption tower, blowdown slurry of the absorption tower, desulfurization waste water in the absorption tower, overflow waste water of a gypsum cyclone, underflow waste water of a gypsum cyclone, overflow waste water of a wastewater cyclone, underflow waste water of a wastewater cyclone, and the like. The following formula can be used to calculate the discharge amount of the desulfurization waste water:
Vnwhen the concentration of chloride ions in the desulfurization wastewater is detected for the nth time, the discharge amount, unit, of the desulfurization wastewater is calculated: m is3；
hnThe operation liquid level of the absorption tower during the nth detection is as follows: m;
cnthe concentration of chloride ions in the desulfurization wastewater at the nth time is mg/L;
cminthe lower limit value of the control range of the concentration of the chloride ions in the desulfurization wastewater is as follows: mg/L;
cm-process water chloride ion concentration, unit: mg/L;
wherein when cn<cminWhen, VnThe value is taken to be 0.
The desulfurization wastewater Cl-After the online detection and intelligent emission control system is put into operation, the accurate and online detection of Cl in the desulfurization wastewater can be realized-Concentration, intelligent calculation of desulfurized wastewaterDischarge amount of the desulfurized wastewater Cl-The concentration is maintained in the optimal range, the workload of inspection personnel and laboratory staff is reduced, and the safety and the economy of the unit are improved.
As can be seen from the above description, the present invention provides the above-mentioned desulfurized waste water Cl-On-line measuring and intelligent emission control system, because including the desulfurization waste water preliminary sedimentation device that is connected to desulfurization waste water sample connection to and the diluting device who connects gradually with desulfurization waste water preliminary sedimentation device, filter equipment and detection accounting device, desulfurization waste water preliminary sedimentation device is used for getting rid of the solid in the desulfurization waste water, diluting device is used for diluting desulfurization waste water, filter equipment is used for filtering desulfurization waste water, it is used for detecting the Cl among the desulfurization waste water to detect accounting device-The concentration is converted into an electric signal and transmitted to a DCS (distributed control system) connected with a detection and calculation device, and the electric signal is also used for detecting Cl in the DCS according to the Cl-This desulfurization waste water emission is calculated to the concentration to convert to signal of telecommunication transmission to DCS system, DCS system is used for carrying out desulfurization waste water's intelligent emission control according to this desulfurization waste water emission, consequently can make the power plant operation personnel Cl in the real time monitoring desulfurization waste water-The concentration helps the power plant operating personnel to calculate the optimal discharge amount of the desulfurization wastewater so as to lead the Cl in the desulfurization wastewater-The concentration is maintained in the optimal range, the workload of power plant inspection personnel and chemical examination personnel is reduced, and the economical efficiency and the safety of unit operation are improved.
Referring to FIG. 2, FIG. 2 shows desulfurized waste water Cl-Schematic diagram of an embodiment of an on-line detection and intelligent emission control system for the desulfurization wastewater Cl-In a specific embodiment of the on-line detection and intelligent emission control system, the system further comprises a flue gas analyzer 18 installed in the inlet flue 17 of the absorption tower, and the flue gas analyzer 18 is used for detecting the concentration of the flue gas hydrogen chloride at the inlet of the absorption tower, converting the concentration of the flue gas hydrogen chloride into an electric signal of the concentration of the flue gas hydrogen chloride at the inlet of the absorption tower, transmitting the electric signal of the concentration of the flue gas hydrogen chloride at the inlet of the absorption tower to a DCS (distributed control system) connected with the flue gas analyzer 18, and the detection and calculation device is used for calling the electric signal of the concentration of the flue gas hydrogen chloride at the inlet of the absorption tower from the DCS and combining the collected electric signal of the concentration of the chloride ions in the desulfurization wastewater and the collected electric signal of the concentration of the chloride ions at the inlet of the absorption towerThe electric measuring signal and the electric signal of the operating liquid level of the absorption tower calculate the primary detection time of the desulfurization waste water to carry out the intelligent emission control of the desulfurization waste water, namely, the detection time interval is fluctuated along with the real-time operating condition of the unit, and is more intelligent.
Specifically, the calculation method of the next detection time of the desulfurization wastewater may be as follows:
tn+1the n +1 th time of detecting the concentration of the chloride ions in the desulfurization wastewater is as follows: xx hours xx minutes;
tnthe detection time of the chloride ion concentration of the n-th desulfurization wastewater is as follows: xx hours xx minutes;
r-radius of absorption column, unit: m;
hnthe operation liquid level of the absorption tower during the nth detection is as follows: m;
cmaxthe upper limit value of the concentration control range of the chloride ions in the desulfurization wastewater is as follows: mg/L;
cminthe lower limit value of the control range of the concentration of the chloride ions in the desulfurization wastewater is as follows: mg/L;
Nnthe nth detection of the flue gas amount at the inlet of the absorption tower is as follows: m is3/h；
pnThe concentration of HCl in the flue gas at the inlet of the absorption tower during the nth detection is as follows: mg/m3；
V-average consumed process water amount of absorption tower per hour, unit: m is3/h；
cm-process water chloride ion concentration, unit: mg/L.
In the above-mentioned desulfurization waste water Cl-In another embodiment of the on-line detection and intelligent emission control system, with continued reference to fig. 2, the desulfurization waste water pre-settling device 101 may include an inlet control gate connected to the desulfurization waste water sampling port 1 and a desulfurization waste water pre-settling tank 5 connected to the inlet control gate, and preferably, the inlet is connected to the inlet control gateThe control gate can include the entry hand door 2 of being connected with desulfurization waste water sample connection 1 and the entry electrically operated gate 3 of being connected with the other end of entry hand door 2, if the electrically operated gate damages or trouble, personnel can arrive the scene very first time and close the hand door, protective instrument equipment, thereby promote the security, desulfurization waste water sinks groove 5 in advance and can be connected to diluting device 11 through export electrically operated gate 7, desulfurization waste water sinks the bottom of groove 5 in advance still has blowdown electrically operated gate 6, this blowdown electrically operated gate 6 can link to each other with the trench, upper portion still has level gauge 4. Specifically, the upper part of the desulfurization waste water pre-settling tank 5 may be a cylinder, the inner diameter is preferably 20cm, the height is preferably 120cm, the lower part is a cone, the height of the cone is preferably 20cm, the top is provided with a circular cover, all materials are preferably tempered glass, the wall thickness is preferably 5mm, and other dimensions and materials may be selected according to actual needs without limitation.
In the above-mentioned desulfurization waste water Cl-In yet another embodiment of the on-line detection and intelligent emission control system, the dilution device may include a dilution tank 11 connected to the outlet electric door 7, the dilution tank 11 having a dilution water electric door at an upper portion thereof, the dilution water electric door 10 connected to the dilution water manual door 8 through a flow meter 9, and the dilution tank 11 having a dilution tank blowdown electric door 12 at a lower portion thereof, which may be connected to a trench. Specifically, the upper part of the dilution tank may be a cylinder having an inner diameter of preferably 100cm and a height of preferably 25cm, and the lower part thereof may be a cone having a height of preferably 20 cm. The top is covered with a cover, all material can be tempered glass, and the wall thickness is preferably 5 mm.
It will be appreciated by those skilled in the art that the above-described filtration device may preferably be a self-cleaning silica sand filter, a mechanical filter or a membrane filter, the filtration device being designated by reference numeral 13 in fig. 2.
With continued reference to FIG. 2, in the above-mentioned desulfurized waste water Cl-In a preferred embodiment of the on-line detection and intelligent emission control system, the detection and calculation means may include a test tank 14 connected to the filtering means 13 and a water quality analyzer 16 communicating with water in the test tank 14, and the test tank 14 has a test tank blowdown power gate 15 at a lower portion thereof. The water quality analyzer can be multifunctional self-suction typeWater quality analyzer for detecting Cl in desulfurized waste water-The concentration value and the bottom of the water quality analyzer are connected with a trench. The test water tank 14 may be a cylinder with an inner diameter of preferably 5cm and a height of preferably 10cm, and may have a lid on top, all of which may be tempered glass, and a wall thickness of preferably 5 mm.
In the above-mentioned desulfurization waste water Cl-In various embodiments of the on-line detection and intelligent emission control system, the desulfurization wastewater sampling port may comprise a gypsum cyclone overflow port, a wastewater cyclone overflow, a desulfurization tower blow-down conduit, or a desulfurization tower overflow conduit. That is, the desulfurization wastewater can be sampled from these places, which can be selected according to actual needs, and is not limited herein, and other places can be selected for sampling, which is not described herein again.
One specific implementation of the above system may be as follows:
(1) after being discharged by a slurry discharge pump, absorption tower slurry enters the desulfurization wastewater pre-settling tank 5 through a desulfurization wastewater sampling port 1, an inlet manual door 2 of the desulfurization wastewater pre-settling tank 5 and an inlet electric door 3 of the desulfurization wastewater pre-settling tank 5, a liquid level meter 4 detects a high-level signal to close the inlet electric door 3 of the desulfurization wastewater pre-settling tank 5, after standing for 20min, an outlet electric door 7 of the desulfurization wastewater pre-settling tank 5 is opened, when the liquid level meter 4 detects that the liquid level of the desulfurization wastewater pre-settling tank 5 drops by 16cm, the outlet electric door 7 of the desulfurization wastewater pre-settling tank 5 is closed, a sewage discharge electric door 6 of the desulfurization wastewater pre-settling tank 5 is opened, and the pre-settling step of the desulfurization wastewater is completed;
(2) opening the electric dilution water door 10, closing the electric dilution water door 10 when the flow meter 9 detects that the passing volume is 95L, and standing for 5min to finish the step of diluting the desulfurization wastewater;
(3) after standing, the self-cleaning quartz sand filter 13 absorbs the water sample in the dilution tank 11, the water sample is discharged into the test water tank 14 after being filtered, the self-cleaning quartz sand filter 13 is closed and starts self-cleaning after working for 5min, and the dilution tank sewage discharge electric door 12 is opened to finish the filtering step of the desulfurization wastewater;
(4) the water quality analyzer 16 absorbs the water sample in the test water tank 14, converts the detection result multiplied by 20 times into an electric signal and transmits the electric signal into the DCS, namely the real concentration of the desulfurization wastewater is detected, and then the test water tank pollution discharge electric door 15 is opened to finish the desulfurization wastewater detection step;
(5) if the nth detection time is 14 pm at 5 months and 5 afternoons of 2021, the liquid level of the absorption tower during the nth detection is 8m, and the smoke amount at the inlet of the absorption tower during the nth detection is 1200000m3On a dry basis, the concentration of HCl in the flue gas at the inlet of the absorption tower during the nth detection is 95mg/m3The concentration of chloride ions in the desulfurization wastewater detected for the nth time is 22000mg/L, the radius of the absorption tower is 6.5m, the upper limit value of the control range of the concentration of chloride ions in the desulfurization wastewater is 24000mg/L, the lower limit value of the control range of the concentration of chloride ions in the desulfurization wastewater is 20000mg/L, and the average consumed process water amount of the absorption tower per hour is 75m3The concentration of chloride ions in the process water is 560mg/L, the process water is calculated by the intelligent desulfurization wastewater discharge control system and then fed back to operators, and the discharge amount of the desulfurization wastewater is recommended to be 99m during nth detection3The n +1 th detection time of the desulfurization wastewater is 13 minutes at 17 am of 5 months and 6 days of 2021;
(6) and waiting for the next detection time, and repeating the operation steps.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. Desulfurization wastewater Cl-On-line measuring and intelligent emission control system, its characterized in that, including the desulfurization waste water preliminary sedimentation device that is connected to desulfurization waste water sample connection, and with dilution device, filter equipment and the detection accounting device that desulfurization waste water preliminary sedimentation device connects gradually, desulfurization waste water preliminary sedimentation device is used for getting rid of the solid in the desulfurization waste water, dilution device is used for right desulfurization waste water carries outDiluting, the filtering device is used for filtering the desulfurization wastewater, and the detection and calculation device is used for detecting Cl in the desulfurization wastewater-The concentration is converted into an electric signal and transmitted to a DCS (distributed control system) connected with the detection and calculation device, and the electric signal is also used for detecting Cl in the DCS according to the Cl-The concentration calculates this desulfurization waste water discharge to convert the signal of telecommunication into and transmit to the DCS system, the DCS system is used for the basis this desulfurization waste water discharge carries out the intelligent emission control of desulfurization waste water.
2. Desulfurized waste water Cl according to claim 1-The online detection and intelligent emission control system is characterized by further comprising a flue gas analyzer installed in an inlet flue of the absorption tower, the flue gas analyzer is used for detecting the concentration of the flue gas and the hydrogen chloride at the inlet of the absorption tower, converting the concentration of the flue gas and the hydrogen chloride into an inlet flue gas and the hydrogen chloride concentration electric signal at the inlet of the absorption tower, transmitting the inlet flue gas and the hydrogen chloride concentration electric signal at the inlet of the absorption tower to the DCS system connected with the flue gas analyzer, and the detection and calculation device is used for calling the inlet flue gas and the hydrogen chloride concentration electric signal of the absorption tower from the DCS system, calculating the primary detection time of the desulfurization waste water by combining the collected concentration electric signal of the chlorine ions in the desulfurization waste water, the inlet electric signal of the absorption tower and the running liquid level electric signal of the absorption tower, and carrying out the intelligent emission control on the desulfurization waste water.
3. Desulfurized waste water Cl according to claim 1-On-line measuring and intelligent emission control system, its characterized in that, desulfurization waste water sinks the device in advance include with the entry control door that desulfurization waste water sample connection and with the desulfurization waste water that entry control door is connected sinks the groove in advance, desulfurization waste water sinks the groove in advance and is connected to through the export electrically operated gate diluting device, desulfurization waste water sinks the bottom in groove in advance still has the blowdown electrically operated gate, and upper portion still has the level gauge.
4. Desulfurized waste water Cl according to claim 1-The online detection and intelligent emission control system is characterized in that the diluting device comprises a diluting device connected with an outlet electric doorThe upper portion of dilution tank has the dilution water electrically operated gate, the dilution water electrically operated gate is connected to the manual door of dilution water through the flowmeter, the lower part of dilution tank has dilution tank blowdown electrically operated gate.
5. Desulfurized waste water Cl according to claim 1-The online detection and intelligent emission control system is characterized in that the filtering device is a self-cleaning quartz sand filter, a mechanical filter or a membrane filter.
6. Desulfurized waste water Cl according to claim 1-The online detection and intelligent emission control system is characterized in that the detection and calculation device comprises a test water tank connected with the filtering device and a water quality analyzer communicated with water in the test water tank, and the lower part of the test water tank is provided with a test water tank pollution discharge electric door.
7. Desulfurized waste water Cl according to claim 3-The online detection and intelligent emission control system is characterized in that the inlet control door comprises an inlet manual door connected with the desulfurization wastewater sampling port and an inlet electric door connected with the other end of the inlet manual door.
8. Desulfurization waste water Cl according to any one of claims 1 to 7-The on-line detection and intelligent emission control system is characterized in that the desulfurization wastewater sampling port comprises a gypsum cyclone overflow port, a wastewater cyclone overflow port, a desulfurization tower sewage discharge pipeline or a desulfurization tower overflow pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121025264.4U CN215609449U (en) | 2021-05-12 | 2021-05-12 | Desulfurization wastewater Cl-On-line detection and intelligent emission control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121025264.4U CN215609449U (en) | 2021-05-12 | 2021-05-12 | Desulfurization wastewater Cl-On-line detection and intelligent emission control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215609449U true CN215609449U (en) | 2022-01-25 |
Family
ID=79938312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121025264.4U Active CN215609449U (en) | 2021-05-12 | 2021-05-12 | Desulfurization wastewater Cl-On-line detection and intelligent emission control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215609449U (en) |
-
2021
- 2021-05-12 CN CN202121025264.4U patent/CN215609449U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113041644A (en) | Desulfurization wastewater Cl-On-line detection and intelligent emission control system | |
| CN110794109A (en) | Small-size drainage exceeds standard on-line monitoring stays appearance machine | |
| CN211999002U (en) | Automatic dosing control system for breakpoint chlorine, deamination and denitrification | |
| CN105223036B (en) | MgO flue gas desulfurization performance on-site verification method and systems | |
| CN202683066U (en) | PH value and density measuring device for slurry in desulfurizing absorption tower | |
| CN211871460U (en) | Novel ammonia nitrogen scrubbing treatment device | |
| CN215609449U (en) | Desulfurization wastewater Cl-On-line detection and intelligent emission control system | |
| CN2570774Y (en) | Closed cycle total organic carbon analytical equipment | |
| CN102008887A (en) | Method for testing concentration ratio of slurry in wet flue gas desulfurization absorption tower in thermal power plant | |
| CN206292075U (en) | A kind of water quality sampling device and water quality detection system | |
| CN107445254A (en) | A kind of continuous monitoring is electrolysed the complexes and method of dispose waste liquid effect and electrolytic process aerogenesis | |
| CN208224234U (en) | A kind of water pollution source on-line monitoring device | |
| CN212646664U (en) | Drainage exceeds standard and stays a kind early warning device | |
| CN209416780U (en) | A kind of solution acid alkalinity and salinity measuring apparatus for wet process depickling | |
| CN201247222Y (en) | Device for testing gypsum slurry pH | |
| CN212111368U (en) | Small-size drainage exceeds standard on-line monitoring stays appearance machine | |
| CN101271062B (en) | On-line monitoring instrument for measuring COD concentration by ultraviolet light absorption method | |
| CN113567507A (en) | System and method for online monitoring of concentration of sulfite ions in desulfurization slurry | |
| CN212134237U (en) | Synchronous sampling device of condensable particles and sulfur trioxide in coal-fired flue gas | |
| CN109297859B (en) | Method for using gypsum slurry density and pH measuring device of wet desulfurization device | |
| CN215640849U (en) | Online chloride ion automatic measuring device of desulfurization slurry | |
| CN207121460U (en) | A kind of continuous monitoring is electrolysed the complexes of dispose waste liquid effect and electrolytic process aerogenesis | |
| CN2923002Y (en) | Smoke desulfurizing limestone activity detecting apparatus | |
| CN220551930U (en) | Boiler control simulation test system | |
| CN108828177A (en) | A kind of water quality detecting device for sewage treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |