CN108917833A - A kind of wet desulfuration tower slurries overflow remote supervision system and its monitoring method - Google Patents
A kind of wet desulfuration tower slurries overflow remote supervision system and its monitoring method Download PDFInfo
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- CN108917833A CN108917833A CN201810675994.5A CN201810675994A CN108917833A CN 108917833 A CN108917833 A CN 108917833A CN 201810675994 A CN201810675994 A CN 201810675994A CN 108917833 A CN108917833 A CN 108917833A
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- Prior art keywords
- slurries
- overflow
- desulfuration tower
- wet desulfuration
- measuring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- 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
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of wet desulfuration tower slurries overflow remote supervision system and its monitoring methods, belong to wet desulfuration tower technical field.Wet desulfuration tower in the process of running, when overflow occur when, due to operator on duty apart from device context farther out, can not promptly and accurately find the problem, cause a large amount of slurries to leak, peripheral equipment and environment are adversely affected.The present invention, for monitoring temperature variations in the instantaneous spillway discharge of slurries and pipeline, judges whether that slurries overflow occurs, realizes long-range monitoring by arranging a sleeving temperature and flow measurement device in overflow down-comer.Present invention monitoring process is simple, invests, strong operability low with operating cost, and remotely monitoring to desulfurization slurry overflow has applicability, therefore has good environmental protection, economic benefit and broad application prospect.
Description
Technical field
The present invention relates to wet desulfuration tower technical fields, and in particular to a kind of wet desulfuration tower slurries overflow, which remotely monitors, is
System and its monitoring method.
Background technique
Energy resource structure of the China based on coal will not change within the long duration, therefore, control coal-fired flue-gas SO2Discharge
It is an important process of China's control atmosphere pollution.Currently, the coal unit of 90% or more the country is using lime stone-stone
Cream wet desulfurizing process, such as application No. is 201410819201.4 Chinese patents.Wet desulfuration tower in the process of running, due to
The inert substance of the entrainments such as flue gas, lime stone slurry, process water（Waste water, oil, heavy metal etc.）It is recycled for a long time in desulfurizing tower
Accumulation forms foam or operations staff's misoperation, causes slurries pit level to be higher than overflow liquid level, there are desulfurizing tower overflows
Risk.Especially when overflow occur when, due to operator on duty apart from device context farther out, can not discovery promptly and accurately ask
Topic, causes a large amount of slurries to leak, adversely affects to peripheral equipment and environment, seriously jeopardize entire wet desulfurization system
Safe and stable operation, while also influencing Business Economic Benefit and environmental benefit.
Summary of the invention
It is an object of the invention to overcome the above deficiencies in the existing technologies, and provide that a kind of structure is simple, operation
Stablize, invest wet desulfuration tower slurries overflow remote supervision system low with operating cost, strong operability and its monitoring method,
For judging whether slurries occur overflow, long-range monitoring is realized.
The present invention solve the above problems used by technical solution be：A kind of wet desulfuration tower slurries overflow, which remotely monitors, is
System, including wet desulfuration tower, which is characterized in that further include overflow pipe, flusher, temperature measuring device, flow measurement device,
Slurries discharger and warning device；One end of the overflow pipe is connect with wet desulfuration tower, the other end of the overflow pipe with
The connection of slurries discharger；The flusher, temperature measuring device and flow measurement device are arranged on overflow pipe, described
Temperature measuring device and flow measurement device are connect with warning device.By arranging a sleeving temperature and flow in overflow down-comer
Measuring device judges whether slurries occur overflow, realizes long-range monitoring for monitoring the instantaneous spillway discharge of slurries.
Furthermore, the flusher, temperature measuring device and flow measurement device are sequentially arranged on overflow pipe.
Flow measurement device is used to measure the instantaneous excess flow of slurries, judges whether wet desulfuration tower occurs by analysis instantaneous flow
Slurries overflow, flow measurement device are arranged on overflow down-comer.
Furthermore, the warning device is connected in wet desulphurization DCS control system, realizes long-range monitoring.
A kind of monitoring method of wet desulfuration tower slurries overflow remote supervision system as described above, which is characterized in that institute
It is as follows to state monitoring method：The foam or slurries that wet desulfuration tower overflows successively are measured through excess temperature and are filled by overflow pipe
It sets and flow measurement device；Flow measurement device monitors the instantaneous flow of slurries, when instantaneous flow measured value is in 0-5m3/ h range
When, judgement has minimal amount of slurries outlet in the form of overflow of blistering, at this time without alarm；When instantaneous flow measured value is greater than
5m3/ h, and when temperature measuring device is shown more than 40 DEG C, then judgement is there are slurries overflow phenomena, and warning device is reported at this time
It is alert, and notify the timely emergency action of operator on duty.
Furthermore, temperature change in the temperature measuring device measurement down comer duct；Under normal running (operation) conditions, temperature
Degree is shown as environment temperature, when there is a large amount of slurries overflow, measures the slurry temperature of overflow, displays temperature then significantly increases；
In such a way that this is as the subsidiary for judging whether to occur slurries overflow.
Furthermore, flusher is periodically rinsed temperature measuring device and flow measurement device, prevents overflow
Pipe, temperature measuring device and flow measurement device fouling blockage.The service life of each device can be extended.
Furthermore, it when slurries overflow occurs for flow measurement device judgement, is issued and is reported by wet desulphurization DCS control system
Alert signal realizes long-range monitoring.
Compared with prior art, the present invention having the following advantages that and effect：Present invention monitoring process is simple, investment and operation
At low cost, strong operability has applicability to the judgement of wet desulfuration tower flooding problems, therefore has good environmental protection and economy
Benefit, and be with a wide range of applications.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wet desulfuration tower slurries overflow remote supervision system in the embodiment of the present invention.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
In figure：Wet desulfuration tower 1, overflow pipe 2, flusher 3, temperature measuring device 4, flow measurement device 5, slurries
Cheat 6, warning device 7.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Embodiment.
Referring to Fig. 1 to Fig. 2, a kind of wet desulfuration tower slurries overflow remote supervision system, including wet desulfuration tower 1, overflow
Pipe 2, flusher 3, temperature measuring device 4, flow measurement device 5, slurries melt pit 6 and warning device 7.
One end of overflow pipe 2 is connect with wet desulfuration tower 1, and the other end of overflow pipe 2 is connect with slurries melt pit 6；Rinse dress
It sets 3, temperature measuring device 4 and flow measurement device 5 is successively set on overflow pipe 2, temperature measuring device 4 and flow measurement dress
It sets 5 to connect with warning device 7, warning device 7 is connected in wet desulphurization DCS control system, realizes long-range monitoring.
The monitoring method of above-mentioned wet desulfuration tower slurries overflow remote supervision system, monitoring method are as follows：Wet desulphurization
The foam or slurries that tower 1 overflows successively pass through temperature measuring device 4, flow measurement device 5, flow by overflow pipe 2
Measuring device 5 monitors the instantaneous flow of slurries, when instantaneous flow is greater than 5m3When/h, and 4 displays temperature of temperature measuring device is more than
It at 40 DEG C, can determine whether a large amount of ororrhea outflow desulfurizing towers, triggered warning device 7, operator on duty carries out the flooding problems tight
Anxious disposition；When instantaneous flow is less than 5m3When/h, and when temperature is without significant change, it can determine whether as no overflow or blistering overflow, slurry
The risk of hydrorrhea stream is smaller, and without triggering warning device 7, the slurries finally overflowed drain into melt pit 6.To prevent slurries from overflowing
It is condensed in flow tube 2 and measuring device, needs timing to open flusher 3 and overflow pipe 2 is rinsed.
It is any to be familiar with although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
The technical staff of this technology changes and retouches made without departing from the spirit and scope of the invention, should belong to this hair
Bright protection scope.
Claims (7)
1. a kind of wet desulfuration tower slurries overflow remote supervision system, including wet desulfuration tower, which is characterized in that further include overflow
Pipe, flusher, temperature measuring device, flow measurement device, slurries discharger and warning device；One end of the overflow pipe
It is connect with wet desulfuration tower, the other end of the overflow pipe is connect with slurries discharger；The flusher, temperature measurement dress
It sets and is arranged on overflow pipe with flow measurement device, the temperature measuring device and flow measurement device connect with warning device
It connects.
2. wet desulfuration tower slurries overflow remote supervision system according to claim 1, which is characterized in that the flushing dress
It sets, temperature measuring device and flow measurement device are sequentially arranged on overflow pipe.
3. wet desulfuration tower slurries overflow remote supervision system according to claim 1, which is characterized in that the alarm dress
It sets and is connected in wet desulphurization DCS control system, realize long-range monitoring.
4. a kind of wet desulfuration tower slurries overflow remote supervision system as claimed in any one of claims 1-3
Monitoring method, which is characterized in that the monitoring method is as follows：The foam or slurries that wet desulfuration tower overflows pass through overflow
Pipe successively passes through temperature measuring device and flow measurement device；Flow measurement device monitors the instantaneous flow of slurries, when instantaneous stream
Measurement is in 0-5m3When/h range, judgement has minimal amount of slurries outlet in the form of overflow of blistering, at this time without report
It is alert；When instantaneous flow measured value is greater than 5m3/ h, and when temperature measuring device is shown more than 40 DEG C, then there are slurries overflows for judgement
Phenomenon, warning device is alarmed at this time, and notifies the timely emergency action of operator on duty.
5. the monitoring method of wet desulfuration tower slurries overflow remote supervision system according to claim 4, which is characterized in that
Temperature change in the temperature measuring device measurement down comer duct；Under normal running (operation) conditions, temperature display is environment temperature, when
When having a large amount of slurries overflow, the slurry temperature of overflow is measured, displays temperature then significantly increases；With this as judging whether to send out
The subsidiary mode of raw pulp hydrorrhea stream.
6. the monitoring method of wet desulfuration tower slurries overflow remote supervision system according to claim 4, which is characterized in that
Flusher is periodically rinsed temperature measuring device and flow measurement device, prevents overflow pipe, temperature measuring device and stream
Measuring device fouling blockage.
7. the monitoring method of wet desulfuration tower slurries overflow remote supervision system according to claim 4, which is characterized in that
When slurries overflow occurs for flow measurement device judgement, alarm signal is issued by wet desulphurization DCS control system, realizes long-range prison
Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675994.5A CN108917833A (en) | 2018-06-27 | 2018-06-27 | A kind of wet desulfuration tower slurries overflow remote supervision system and its monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675994.5A CN108917833A (en) | 2018-06-27 | 2018-06-27 | A kind of wet desulfuration tower slurries overflow remote supervision system and its monitoring method |
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| CN108917833A true CN108917833A (en) | 2018-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794152A (en) * | 2019-03-05 | 2019-05-24 | 华北电力科学研究院有限责任公司 | A kind of absorbing tower liquid-level height measuring device and method applied to overflow pipe position |
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| CN109794152A (en) * | 2019-03-05 | 2019-05-24 | 华北电力科学研究院有限责任公司 | A kind of absorbing tower liquid-level height measuring device and method applied to overflow pipe position |
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