CN108905587A - The method of supplying water and supply equipment of demister in desulphurization system, desulphurization system - Google Patents
The method of supplying water and supply equipment of demister in desulphurization system, desulphurization system Download PDFInfo
- Publication number
- CN108905587A CN108905587A CN201811057190.5A CN201811057190A CN108905587A CN 108905587 A CN108905587 A CN 108905587A CN 201811057190 A CN201811057190 A CN 201811057190A CN 108905587 A CN108905587 A CN 108905587A
- Authority
- CN
- China
- Prior art keywords
- waste water
- water
- demister
- wastewater
- reuse
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/05—Conductivity or salinity
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
Abstract
The invention discloses the method for supplying water and supply equipment of demister in a kind of desulphurization system, desulphurization system, wherein the method for supplying water of demister in desulphurization system, including step：1) waste water that gypsum dehydration generates is collected；2) waste water after collecting is handled to reach the rinse water standard of demister；3) by treated, waste water leads to demister to rinse demister.The method of supplying water of demister in desulphurization system disclosed by the invention, by the waste water for collecting and handling gypsum dehydration generation, by treated, waste water leads to demister, to realize the useless water reuse of gypsum dehydration generation, reduce the raised speed of liquid level in desulfuration absorbing tower, the stability for influencing desulfuration absorbing tower operation because of return of waste water to desulfuration absorbing tower is avoided, the stability of desulfuration absorbing tower operation is improved；Amount of extra water needed for rinsing demister is decreased, water conservation is realized.
Description
Technical field
The present invention relates to flue gas desulfurization technique fields, more specifically to demisting in a kind of desulphurization system, desulphurization system
The method of supplying water and supply equipment of device.
Background technique
Currently, flue gas desulphurization system mainly uses Limestone-gypsum Wet Flue Gas Desulfurization Process technique, Limestone-gypsum Wet Flue Gas Desulfurization Process
Technique be after being dissolved using lime stone it is manufactured alkalinity gypsum solution as absorbent to the pollutant SO contained in flue gas2It is inhaled
Receipts processing, by-produced gypsum can be used as commodity and bring economic benefit.
By-produced gypsum is oil-containing gypsum crystal, CaCl2, a small amount of unreacted lime stone, CaF2It is other with a small amount of flying dust etc.
The mixture of compound is delivered to gypsum hydrocyclone by discharge pump and gypsum crystal is classified, gypsum hydrocyclone
The solid of underflow oil-containing 50% flow to gypsum slurries baffle-box, distribution to gypsum dehydration system by gravity.
In gypsum dehydration system, it is low to generate moisture content after centrifugal dehydrator or plate and frame filter press dehydration for gypsum slurries
In 10% gypsum and the waste water of solid content >=1%.The waste water suspension is high, is sent after usually converging to desulfurization and is absorbed again
Tower.But return of waste water is to desulfuration absorbing tower, and it is larger compared with the liquid level rate of climb easily led in desulfuration absorbing tower, influence desulfurization
The stability of absorption tower operation.
In addition, it is 10~60 μm of water mist that desulfuration absorbing tower, which in the process of running, is also easy to produce partial size, water mist dissolved with sulfuric acid,
Sulfate, sulfur dioxide etc. can pollute and corrode blower, heat exchanger and flue.Therefore, absorption is set on wet desulfurizing process
The standby requirement for proposing demisting, demister of the cleaned gas through desulfuration absorbing tower top before leaving desulfuration absorbing tower remove
Mist.Because containing CaSO in water mist4、CaSO3And containing substances such as silicon, iron, aluminium in flying dust, these substances have biggish viscosity, compared with
Demister fouling is easily caused, periodic flushing demister is needed, institute's water requirement is larger.
In conclusion how waste water is handled, to avoid desulfuration absorbing tower fortune is influenced because of return of waste water to desulfuration absorbing tower
Capable stability, is a problem to be solved by those skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of method of supplying water of demister in desulphurization system, to avoid because return of waste water is to de-
Sulphur absorption tower and influence desulfuration absorbing tower operation stability.It is a further object of the present invention to provide demistings in a kind of desulphurization system
The supply equipment of device and a kind of desulphurization system.
To achieve the goals above, the present invention provides the following technical solutions：
The method of supplying water of demister in a kind of desulphurization system, including step：
1) waste water that gypsum dehydration generates is collected；
2) waste water after collecting is handled to reach the rinse water standard of demister；
3) by treated, the waste water leads to the demister to rinse the demister.
It preferably, further include step：The waste water after stirring collection.
Preferably, the step 2) specifically includes step：The pH value and hardness for adjusting the waste water, remove in the waste water
Suspended matter.
Preferably, the step：The pH value and hardness of the waste water are adjusted, specially：The waste water is adjusted using lime
PH value, using Na2CO3Adjust the hardness of the waste water.
Preferably, the step：Remove the suspended matter in the waste water, including step：
Filter the waste water, the concentrated water that thickening filtration generates, the supernatant generated after filtering and concentrating, to what is generated after concentration
Sludge is dehydrated, and the water that generates simultaneously is mixed with the waste water being collected into after collecting dehydration, filter the waste water and it is described on
It is treated the waste water that clear liquid generated, which crosses drainage,.
Preferably, the sludge generated after concentration is dehydrated using the filter press in desulfurization wastewater processing workshop.
Preferably, the step 3) is specially：By reuse pipeline, by treated, the waste water is delivered to demister
It rinses and carrys out waterpipe, and using the moisturizing pipeline and the flushing water of reuse pipeline and the demister described in threeway Vavle switching
Pipeline connection.
The method of supplying water of demister in desulphurization system provided by the invention, by collecting and handling the useless of gypsum dehydration generation
Water, by treated, waste water leads to demister, to realize the useless water reuse of gypsum dehydration generation, reduces desulfurization suction
The raised speed of liquid level in tower is received, the stabilization for influencing desulfuration absorbing tower operation because of return of waste water to desulfuration absorbing tower is avoided
Property, improve the stability of desulfuration absorbing tower operation.
Meanwhile in desulphurization system provided by the invention demister method of supplying water, will treated that waste water leads to demister,
To rinse demister, reduces amount of extra water needed for rinsing demister, realize water conservation.
The method of supplying water of demister in desulphurization system based on above-mentioned offer, the present invention also provides in a kind of desulphurization system
The supply equipment of demister, the supply equipment of demister includes in the desulphurization system：
Waste water collection device, for collecting the waste water generated during gypsum dehydration；
Wastewater treatment equipment, for being connected to and handling the waste water with the waste water collection device to reach rushing for demister
Scouring water standard；
Reclamation set, for storing treated the waste water and for supplying flushing water to demister.
Preferably, the waste water collection device includes：Wastewater collection pond, for covering the collecting pit of the wastewater collection pond
Cover board；Wherein, the wastewater collection pond is equipped with the agitating device for stirring the waste water.
Preferably, the wastewater treatment equipment includes：
For adjusting the pH value of the waste water and the wastewater equalization pond of hardness；
For covering the conditioning tank cover board of the wastewater equalization pond；
For removing the waste water treater of the suspended matter in the waste water；
Wherein, the waste water collection device, the wastewater equalization pond and the waste water treater are sequentially communicated.
Preferably, the wastewater equalization pond is equipped with pH regulating device and water demineralization device, wherein the pH regulating device
Medicament be lime, the medicament of the water demineralization device is Na2CO3。
Preferably, the waste water treater includes filter and thickener, wherein the filtering outlet of the filter and institute
State reclamation set connection, the filter concentrated water outlet is connected to the thickener, the supernatant outlet of the thickener and
The mud discharging mouth of the inlet communication of the filter, the concentrated water slot is connected to by filter press with the wastewater collection pond.
Preferably, the filter is tube microfiltration membrane, and the filter press is the filter press that desulfurization wastewater handles workshop.
Preferably, the supply equipment of demister further includes in above-mentioned desulphurization system：
For the waste water in the waste water collection device to be delivered to the first delivery pump of the wastewater equalization pond；For inciting somebody to action
Waste water in the wastewater equalization pond is delivered to the second delivery pump of the waste water treater；
Wherein, the exit of second delivery pump is provided with pH meter, nephelometer and alkalimeter.
Preferably, the reclamation set includes：Reuse water tank, for being connected to time of the reuse water tank and the demister
With pipeline, the reuse water pump being serially connected on the reuse pipeline；
Wherein, the reuse water tank is equipped with liquidometer, pH meter, nephelometer and alkalimeter；The reuse pipeline, the demisting
The flushing of the moisturizing pipeline of device and the demister carrys out waterpipe and is connected to by triple valve.
The supply equipment of demister in desulphurization system based on above-mentioned offer, the present invention also provides a kind of desulphurization system,
The desulphurization system includes：The water supply of demister in gypsum dehydration equipment, demister and desulphurization system described in any of the above embodiments
Equipment, the waste water collection device are connected to the wastewater outlet of the gypsum dehydration equipment, and the reclamation set can be to described
Demister supplies flushing water.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the block diagram of the supply equipment of demister in desulphurization system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The method of supplying water of demister in desulphurization system provided in an embodiment of the present invention is applied to wet desulfurization system, specifically
Ground is applied to lime stone-wet desulfurization system, and the method for supplying water of demister specifically includes step in the desulphurization system：
S01 the waste water that gypsum dehydration generates) is collected：
Gypsum dehydration is carried out between gypsum dehydration, for the ease of collecting the waste water that gypsum dehydration generates, preferential selection is in stone
The waste water that gypsum dehydration generates is collected between cream dehydration.Specifically, it is collected using wastewater collection pond or sewage collecting box etc..
Certainly, other modes can also be used to be collected, it is not limited in the embodiment of the present invention.
S02 the waste water after collecting is handled) to reach the rinse water standard of demister：
For the processing mode of waste water, handled according to the rinse water standard of demister.Preferably, above-mentioned steps：
Waste water after processing collection, specifically includes step：The pH value and hardness of waste water are adjusted, the suspended matter in waste water is removed.It can manage
Solution, adjusts the pH value of waste water so that waste water is adjusted to neutrality.For the ease of adjusting pH value, the pH of waste water is adjusted using lime
Value；For the ease of adjusting hardness, using Na2CO3Adjust the hardness of waste water.Certainly, the pH that other medicaments adjust waste water can also be used
Value and hardness, it is not limited to this.
For the ease of going oil removal, above-mentioned steps：Remove the suspended matter in waste water, including step：
Filtered wastewater, the concentrated water that thickening filtration generates, the supernatant generated after filtering and concentrating, to the sludge generated after concentration
It is dehydrated, collects the water generated after dehydration and simultaneously mixed with the waste water being collected into, the drainage excessively that filtered wastewater and supernatant generate
As treated waste water.It is understood that cross drainage and supernatant that waste water generates after filtering produce after filtering
Raw drainage of crossing leads to demister to rinse demister.
Preferably, using the same filter filtered wastewater and supernatant.In this way, reducing the number of filter, reduce
Cost.Certainly, different filter filtered wastewater and supernatant can also be used, it is not limited to this.
In order to make full use of existing equipment, preferential selection is using the filter press in desulfurization wastewater processing workshop to generating after concentration
Sludge be dehydrated.
S03) by treated, waste water leads to demister to rinse demister：
Specifically, by reuse pipeline by the flushing of treated waste water is delivered to demister come waterpipe, and use three
The moisturizing pipeline of port valve switching reuse pipeline and demister is carried out waterpipe with flushing and is connected to.When needing self-complementary waterpipe moisturizing,
Switching three-way valve make moisturizing pipeline with rinse come waterpipe be connected to；When needing from reuse piped water supply, switching three-way valve makes
Reuse pipeline with flushing come waterpipe be connected to.
Certainly, reuse pipeline also may be selected, moisturizing pipeline and the flushing of demister carry out waterpipe and tee tube are used to be connected to, and
Reuse valve is arranged in reuse pipeline, and supplement pipeline is arranged water supply valve, controls water by control reuse valve and water supply valve
Source incoming road.
For the ease of conveying, reuse pipeline is serially connected with reuse water pump.
For the ease of the waste water after Treatment for Reuse, using collect that treated waste water, reuse pipeline and the reuse of reuse water tank
Water tank connection.
The method of supplying water of demister in desulphurization system provided in an embodiment of the present invention is produced by collecting and handling gypsum dehydration
Raw waste water, by treated, waste water leads to demister, to realize the useless water reuse of gypsum dehydration generation, reduces
The raised speed of liquid level in desulfuration absorbing tower, avoiding influences desulfuration absorbing tower operation because of return of waste water to desulfuration absorbing tower
Stability improves the stability of desulfuration absorbing tower operation.
Meanwhile in desulphurization system provided in an embodiment of the present invention demister method of supplying water, will treated that waste water is led to
Demister reduces amount of extra water needed for rinsing demister, realizes water conservation to rinse demister.
After collecting the waste water that gypsum dehydration generates, the sludge and CaSO in waste water in order to prevent4It further include step Deng precipitating
Suddenly：Waste water after periodic agitation collection.Specifically, the waste water after preset time stirring is collected, also can periodic cleaning.
The method of supplying water of demister in the desulphurization system provided based on the above embodiment, the embodiment of the invention also provides one
The supply equipment of demister in kind desulphurization system, as shown in Figure 1, the supply equipment of demister includes in the desulphurization system：Waste water
Collection device, wastewater treatment equipment and reclamation set.
Above-mentioned waste water collection device is used to collect the waste water generated during gypsum dehydration；Above-mentioned wastewater treatment equipment is used for
It is connected to waste water collection device and handles waste water to reach the rinse water standard of demister；Above-mentioned reclamation set is used for storeroom
Waste water after reason and for supplying flushing water to demister.
The supply equipment of demister in desulphurization system provided in an embodiment of the present invention, collects gypsum by waste water collection device
It is dehydrated the waste water generated, the waste water after collecting is handled by wastewater treatment equipment, waste water draws by treated using reclamation set
To demister, flushing water is supplied to demister, to realize the useless water reuse of gypsum dehydration generation, reduces desulfurization suction
The raised speed of liquid level in tower is received, the stabilization for influencing desulfuration absorbing tower operation because of return of waste water to desulfuration absorbing tower is avoided
Property, improve the stability of desulfuration absorbing tower operation.
Meanwhile in desulphurization system provided in an embodiment of the present invention demister supply equipment, will treated that waste water is led to
Demister reduces amount of extra water needed for rinsing demister, realizes water conservation to rinse demister.
For the capacity of above-mentioned waste water collection device, set according to actual needs.Preferably, above-mentioned wastewater collection dress
Set the wastewater collection amount that detachment system normally produces 1h or more that can satisfy.
Preferably, above-mentioned waste water collection device includes：Wastewater collection pond, for covering the collecting pit lid of wastewater collection pond
Plate.
For the ease of collecting waste water, waste water collection device is arranged in gypsum dehydration workshop.Specifically, above-mentioned wastewater collection
Pond is arranged in gypsum dehydration workshop, and the waste water that gypsum dehydration generates is imported by gravity stream into wastewater collection pond.
The bottom of pond precipitating sludge and CaSO of wastewater collection pond in order to prevent4, above-mentioned wastewater collection pond is equipped with useless for stirring
The agitating device of water, is periodically stirred waste water and periodic cleaning.
In order to improve service life, above-mentioned wastewater collection pond is buried concrete anticorrosion structure, and collecting pit cover board is coagulation
Earth mulch plate
Certainly, it is other structures, such as sewage collecting box etc. that above-mentioned waste water collection device, which also may be selected, it is not limited on
State embodiment.
In actual application, waste water is handled according to the flushing water quality standard of demister.Preferably, above-mentioned wastewater treatment dress
Set including：Wastewater equalization pond, conditioning tank cover board and waste water treater.
Above-mentioned wastewater equalization pond is used to adjust the pH value and hardness of waste water, and conditioning tank cover board is for covering wastewater equalization pond；
Waste water treater is used to remove the suspended matter in waste water；Wherein, wastewater collection pond, wastewater equalization pond and waste water treater successively connect
It is logical.It is understood that adjusting the pH value of waste water so that waste water is adjusted to neutrality.
In order to improve service life, above-mentioned wastewater equalization pond is buried concrete anticorrosion structure, and conditioning tank cover board is coagulation
Earth mulch plate.Above-mentioned wastewater treatment equipment can also be other structures, it is not limited to this.
Preferably, above-mentioned wastewater equalization pond is equipped with pH regulating device and water demineralization device.In this way, facilitating adjusting waste water
PH and hardness.The medicament of above-mentioned pH regulating device is lime, and the medicament of water demineralization device is Na2CO3.Certainly, pH tune is selected
The medicament of regulating device and water demineralization device is other, it is not limited to this.
For the ease of the suspended matter in removal waste water, above-mentioned waste water treater includes filter and thickener, wherein filtering
The filtering outlet of device is connected to reclamation set, and the outlet of the concentrated water of filter is connected to thickener, the supernatant outlet of thickener and
The mud discharging mouth of the inlet communication of filter, concentrated water slot is connected to by filter press with wastewater collection pond.
Waste water after the filter, is divided into the production water and concentrated water of filtering, and the generation of filtering enters reclamation set, filtering it is dense
Water enters thickener, is concentrated by thickener, and concentration time is not less than 12h, and the supernatant in thickener enters filter, mistake
All production water of filter enters reclamation set.The mud cake outward transport that filter press generates, the filters pressing water that filter press generates enter waste water receipts
Ji Chi.
Preferably, above-mentioned filter is tube microfiltration membrane, the tube microfiltration membrane the degree of automation is higher, occupied area compared with
It is small.Certainly, it is other types that above-mentioned filter, which may be selected, it is not limited to above-described embodiment.
The suction parameter of above-mentioned tube microfiltration membrane is：PH is neutral, suspended matter < 10000mg/L, hardness < 1000mg/L,
Effluent quality is suspended matter < 100mg/L, and hardness < 100mg/L flow to water≤80% of thickener.
In order to make full use of the existing equipment in desulphurization system, above-mentioned filter press is the filters pressing that desulfurization wastewater handles workshop
Machine.
Preferably, the supply equipment of demister further includes in above-mentioned desulphurization system：For that will give up in waste water collection device
Water is delivered to the first delivery pump of wastewater equalization pond, for the waste water in wastewater equalization pond to be delivered to the second of waste water treater
Delivery pump.
In order to guarantee the regulating effect of wastewater equalization pond, the exit of above-mentioned second delivery pump is provided with pH meter, nephelometer
And alkalimeter.
Further, above-mentioned first delivery pump and the second delivery pump are wear resistant corrosion resistant type centrifugal pump of horizontal axis.Certainly,
Above-mentioned first delivery pump may be selected and the second delivery pump is other types, it is not limited to this.
Preferably, above-mentioned reclamation set includes：Reuse water tank, for being connected to the reuse pipeline of reuse water tank and demister,
The reuse water pump being serially connected on reuse pipeline.
The amount of storage of above-mentioned reuse water tank, is set according to actual needs.Preferably, above-mentioned reuse water tank at least can
The processed waste water amount of operation teams and groups' time is stored, operation teams and groups' time is 8h.
In order to guarantee that the water energy in reuse water tank reaches reuse, above-mentioned reuse water tank is equipped with liquidometer, pH meter, nephelometer and alkali
Degree meter, to detect the liquid level, pH value of water, turbidity and basicity in reuse water tank.
Further, above-mentioned reuse pipeline, the moisturizing pipeline of demister and the flushing of demister carry out waterpipe by three
Port valve connection.Specifically, when triple valve is in the first valve position, reuse pipeline carrys out waterpipe with flushing and is connected to；At triple valve
When the second valve position, moisturizing pipeline is carried out waterpipe with flushing and is connected to.
When needing self-complementary waterpipe moisturizing, switching three-way valve make moisturizing pipeline with rinse come waterpipe be connected to；When need
Will from when reuse piped water supply, switching three-way valve make reuse pipeline with rinse to carry out waterpipe and be connected to.
Certainly, reuse pipeline also may be selected, moisturizing pipeline and the flushing of demister carry out waterpipe and tee tube are used to be connected to, and
Reuse valve is arranged in reuse pipeline, and supplement pipeline is arranged water supply valve, controls water by control reuse valve and water supply valve
Source incoming road.
For the ease of control, above-mentioned reuse water pump is electrodynamic pump, and triple valve is electrically operated valve.
In order to improve service life, above-mentioned reuse water tank is carbon steel Anti-corrosion box.Certainly, above-mentioned reuse water tank, which also may be selected, is
Other materials, it is not limited to this.
Unit used by the method for supplying water of demister etc. in above-mentioned desulphurization system, can refer to above-mentioned desulphurization system
The supply equipment of middle demister, herein repeats no more this.
The supply equipment of demister in the desulphurization system provided based on the above embodiment, the embodiment of the invention also provides one
Kind desulphurization system, the desulphurization system include：It is removed in desulphurization system described in gypsum dehydration equipment, demister and above-described embodiment
The supply equipment of day with fog, waste water collection device are connected to the wastewater outlet of gypsum dehydration equipment, and reclamation set can be to demister
Supply flushing water.
Since the supply equipment of demister in above-mentioned desulphurization system has above-mentioned technique effect, above-mentioned desulphurization system has upper
The supply equipment of demister in desulphurization system is stated, then above-mentioned desulphurization system also has corresponding technical effect, and repeats no more herein.
The foregoing description of the disclosed embodiments can be realized those skilled in the art or using the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with the principles and novel features disclosed in this article widest
Range.
Claims (16)
1. the method for supplying water of demister in a kind of desulphurization system, which is characterized in that including step：
1) waste water that gypsum dehydration generates is collected；
2) waste water after collecting is handled to reach the rinse water standard of demister；
3) by treated, the waste water leads to the demister to rinse the demister.
2. method of supplying water according to claim 1, which is characterized in that further include step：The waste water after stirring collection.
3. method of supplying water according to claim 1, which is characterized in that the step 2) specifically includes step：Described in adjusting
The pH value and hardness of waste water, remove the suspended matter in the waste water.
4. method of supplying water according to claim 3, which is characterized in that the step：Adjust the pH value of the waste water and hard
Degree, specially：The pH value of the waste water is adjusted, using Na using lime2CO3Adjust the hardness of the waste water.
5. method of supplying water according to claim 3, which is characterized in that the step：The suspended matter in the waste water is removed,
Including step：
Filter the waste water, the concentrated water that thickening filtration generates, the supernatant generated after filtering and concentrating, to the sludge generated after concentration
It is dehydrated, collects the water generated after dehydration and is mixed with the waste water being collected into, filter the waste water and the supernatant
The drainage of crossing of generation is treated the waste water.
6. method of supplying water according to claim 5, which is characterized in that using the filter press in desulfurization wastewater processing workshop to dense
The sludge generated after contracting is dehydrated.
7. method of supplying water according to claim 1 to 6, which is characterized in that the step 3) is specially：Pass through
The flushing of treated the waste water is delivered to demister is carried out waterpipe by reuse pipeline, and using reuse described in threeway Vavle switching
The moisturizing pipeline of pipeline and the demister is carried out waterpipe with the flushing and is connected to.
8. the supply equipment of demister in a kind of desulphurization system, which is characterized in that including：
Waste water collection device, for collecting the waste water generated during gypsum dehydration；
Wastewater treatment equipment is used for the waste water to be connected to and handled with the waste water collection device with the flushing for reaching demister
Water quality standard；
Reclamation set, for storing treated the waste water and for supplying flushing water to demister.
9. supply equipment according to claim 8, which is characterized in that the waste water collection device includes：Wastewater collection pond,
For covering the collecting pit cover board of the wastewater collection pond；Wherein, the wastewater collection pond is equipped with for stirring the waste water
Agitating device.
10. supply equipment according to claim 8, which is characterized in that the wastewater treatment equipment includes：
For adjusting the pH value of the waste water and the wastewater equalization pond of hardness；
For covering the conditioning tank cover board of the wastewater equalization pond；
For removing the waste water treater of the suspended matter in the waste water；
Wherein, the waste water collection device, the wastewater equalization pond and the waste water treater are sequentially communicated.
11. supply equipment according to claim 10, which is characterized in that the wastewater equalization pond be equipped with pH regulating device and
Water demineralization device, wherein the medicament of the pH regulating device is lime, and the medicament of the water demineralization device is Na2CO3。
12. supply equipment according to claim 10, which is characterized in that the waste water treater includes filter and concentration
Slot, wherein the filtering outlet of the filter is connected to the reclamation set, concentrated water outlet and the concentration of the filter
Slot connection, the mud discharging mouth of the inlet communication of the supernatant outlet of the thickener and the filter, the concentrated water slot pass through pressure
Filter is connected to the wastewater collection pond.
13. supply equipment according to claim 12, which is characterized in that the filter is tube microfiltration membrane, the pressure
Filter is the filter press that desulfurization wastewater handles workshop.
14. supply equipment according to claim 10, which is characterized in that further include：
For the waste water in the waste water collection device to be delivered to the first delivery pump of the wastewater equalization pond；For will be described
Waste water in wastewater equalization pond is delivered to the second delivery pump of the waste water treater；
Wherein, the exit of second delivery pump is provided with pH meter, nephelometer and alkalimeter.
15. the supply equipment according to any one of claim 8-14, which is characterized in that the reclamation set includes：It returns
With water tank, for being connected to the reuse pipeline of the reuse water tank and the demister, the reuse being serially connected on the reuse pipeline
Water pump；
Wherein, the reuse water tank is equipped with liquidometer, pH meter, nephelometer and alkalimeter；The reuse pipeline, the demister
The flushing of moisturizing pipeline and the demister carrys out waterpipe and is connected to by triple valve.
16. a kind of desulphurization system, including：Gypsum dehydration equipment and demister, which is characterized in that further include such as claim 8-15
Any one of described in supply equipment, the waste water collection device is connected to the wastewater outlet of the gypsum dehydration equipment, described
Reclamation set can supply flushing water to the demister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057190.5A CN108905587A (en) | 2018-09-11 | 2018-09-11 | The method of supplying water and supply equipment of demister in desulphurization system, desulphurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057190.5A CN108905587A (en) | 2018-09-11 | 2018-09-11 | The method of supplying water and supply equipment of demister in desulphurization system, desulphurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108905587A true CN108905587A (en) | 2018-11-30 |
Family
ID=64408711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811057190.5A Pending CN108905587A (en) | 2018-09-11 | 2018-09-11 | The method of supplying water and supply equipment of demister in desulphurization system, desulphurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108905587A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699893A (en) * | 2022-02-28 | 2022-07-05 | 华电水务工程有限公司 | Resource utilization method for high sulfate radical nanofiltration concentrated water |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707466A (en) * | 2015-03-30 | 2015-06-17 | 赵民 | Water-balance energy-saving and water-saving system for wet desulphurization of limestone/lime |
| CN105152415A (en) * | 2015-09-30 | 2015-12-16 | 中冶华天工程技术有限公司 | Sintering wet-type magnesium desulfurization and purification wastewater treatment system and process |
| WO2017133511A1 (en) * | 2016-02-05 | 2017-08-10 | 大唐环境产业集团股份有限公司 | Treatment apparatus and method for zero liquid discharge of desulfurization wastewater |
| CN206483241U (en) * | 2017-02-07 | 2017-09-12 | 武汉福及第环保设备有限公司 | A kind of Convenient descaling demister |
| CN208757290U (en) * | 2018-09-11 | 2019-04-19 | 国电环境保护研究院有限公司 | The supply equipment of demister in desulphurization system, desulphurization system |
-
2018
- 2018-09-11 CN CN201811057190.5A patent/CN108905587A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707466A (en) * | 2015-03-30 | 2015-06-17 | 赵民 | Water-balance energy-saving and water-saving system for wet desulphurization of limestone/lime |
| CN105152415A (en) * | 2015-09-30 | 2015-12-16 | 中冶华天工程技术有限公司 | Sintering wet-type magnesium desulfurization and purification wastewater treatment system and process |
| WO2017133511A1 (en) * | 2016-02-05 | 2017-08-10 | 大唐环境产业集团股份有限公司 | Treatment apparatus and method for zero liquid discharge of desulfurization wastewater |
| CN206483241U (en) * | 2017-02-07 | 2017-09-12 | 武汉福及第环保设备有限公司 | A kind of Convenient descaling demister |
| CN208757290U (en) * | 2018-09-11 | 2019-04-19 | 国电环境保护研究院有限公司 | The supply equipment of demister in desulphurization system, desulphurization system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699893A (en) * | 2022-02-28 | 2022-07-05 | 华电水务工程有限公司 | Resource utilization method for high sulfate radical nanofiltration concentrated water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105000713B (en) | A kind of desulfurization wastewater treatment system and method | |
| US9957182B2 (en) | Method for treating water containing organic matter using ion exchange and ballasted flocculation | |
| CN108033621A (en) | Desulfurization wastewater Zero discharging system and method | |
| CN102849814B (en) | Treatment method for purifying sewage and tail gas from furnace gas in acid production from gypsum | |
| CN108975570A (en) | A kind of device and method handling industrially desulfurized waste water using stack gases | |
| CN107055885B (en) | Desulfurization wastewater recycling system of coal-fired power plant and working method | |
| CN209567937U (en) | High saliferous desulfurizing waste water processing device | |
| CN111320315A (en) | Desulfurization wastewater treatment system | |
| CN101492039B (en) | Environmental protection cleaning method and station of chemical industry operation storage and transportation device | |
| CN208757290U (en) | The supply equipment of demister in desulphurization system, desulphurization system | |
| CN108905587A (en) | The method of supplying water and supply equipment of demister in desulphurization system, desulphurization system | |
| CN104086011B (en) | Be applicable to the technique of zero discharge of viscose fibre industry acid station waste water | |
| CN104229757A (en) | Method for purifying waste acid and returning purified waste acid to flow for recycling | |
| CN111603903A (en) | Double-alkali desulphurization device | |
| CN102949923A (en) | Method and device for removing sulfur dioxide in industrially-sintered flue gas and recovering gypsum | |
| CN205258153U (en) | Air supporting and filtration integrated device | |
| CN207062073U (en) | A kind of desulfurization wastewater and sludge zero discharge system | |
| RU2328454C2 (en) | Water purification station | |
| CN205528048U (en) | Minimum discharge wet -type electric precipitation waste water concentrate processing system | |
| CN209193691U (en) | A kind of equipment handling industrially desulfurized waste water using stack gases | |
| CN209338262U (en) | A kind of flue gas method recycles the device of calcium and magnesium in desulfurization wastewater | |
| CN114763907A (en) | Water balance process system for boiler desulfurization, denitration, wet electric precipitation, ash removal water and the like | |
| CN105152415B (en) | Sinter wet-type magnesium method desulfurization purification Waste Water Treatment and technique | |
| CN208594168U (en) | Precision glass waste water treatment system | |
| CN207748956U (en) | Desulfurization wastewater treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |