CN208308470U - A kind of desulfurization wastewater Zero discharging system - Google Patents
A kind of desulfurization wastewater Zero discharging system Download PDFInfo
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- CN208308470U CN208308470U CN201820420026.5U CN201820420026U CN208308470U CN 208308470 U CN208308470 U CN 208308470U CN 201820420026 U CN201820420026 U CN 201820420026U CN 208308470 U CN208308470 U CN 208308470U
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- desulfurization wastewater
- wastewater zero
- waste water
- discharging system
- zero discharging
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Abstract
The utility model discloses a kind of desulfurization wastewater Zero discharging systems, including waste water tank (2), microwave dryer (4) and cyclone separator (7)；Being added in the waste water tank (2) has water absorbing polymer particle (1), the waste water tank (2) is connect by conveyer (3) with microwave dryer (4), microwave dryer (4) is connect by pipeline (6) with cyclone separator (7), is also connected with gate valve (5) at microwave dryer (4) lower exit port.The desulfurization wastewater Zero discharging system, using water absorbing polymer particle Absorption Desulfurization waste water, no chemical contamination can be recycled after dry, will not generate solid waste；Microwave drying is high-efficient, speed is fast, can save in-fighting, and noise-less pollution；Salt after evaporation drying is discharged into junior's deduster centralized collection after cyclone separator separates, and water absorbing polymer particle can be recycled.
Description
Technical field
The utility model relates to environment protection field more particularly to a kind of desulfurization wastewater Zero discharging systems.
Background technique
Desulphurization system is divided into dry method desulfuration system and wet desulfurization system, and wet desulphurization is current most widely used desulfurization
Technology.Cardinal principle is the SO2 absorbed in flue gas using alkaline slurry, generates the by-products such as gypsum, can produce in sweetening process
A large amount of desulfurization wastewaters are given birth to, the impurity contained in waste water mainly has suspended matter, oversaturated sulphite, sulfate and heavy metal
Deng, it is difficult to it handles.
In existing " integrated wastewater discharge standard " GB8978 1996, the heavy metals such as Pb, Cd, Cr, Ni, Hg are classified as
First pollutant, it is desirable that must be in workshop outlet or the outlet sampling monitoring of plant effluent processing system.In Thermal Power Generation Industry
It is distinctly claimed in " desulfurization wastewater control standard " DL/T997-2006 and " is exported in desulfurization wastewater treatment system, control should be monitored
Project has total mercury, total chromium, total cadmium, total lead, total nickel, total zinc, total arsenic, suspended matter, COD, fluoride, sulfide and pH
Value." so desulfurization wastewater have to handle before discharge it is up to standard.
Common desulfurization wastewater facture has: chemical precipitation method, evaporative crystallization method, membrane filter method, flue facture.Chemistry
Precipitation method chemical precipitation method has the advantages that easy to operate, operating cost is low, but its equipment is more, construction investment is high.And
There is also more problems, such as effluent SS and COD to tend not to stably reaching standard discharge in actual operation, and chloride ion cannot be gone
It removes.In addition, in sludge dewatering treatment, there is also failure rate of machinery it is high, operation and maintenance are difficult the problems such as.Membrane filter method is using micro-
Filter membrane handles desulfurization wastewater, highly effective to the removal of suspended matter, heavy metal ion in desulfurization wastewater.But film is dirty
Dye is than more serious and with high costs.Evaporative crystallization method and flue facture are handled using boiler secondary air or flue heat
Waste water has the shortcomings that high energy consumption, the easy fouling of equipment and investment are big, can even reduce boiler thermal efficiency sometimes.
Utility model content
In order to solve the above-mentioned technical problem the utility model, provides a kind of desulfurization wastewater Zero discharging system, no chemistry is dirty
Dye can be recycled after dry, will not generate solid waste；Microwave drying is high-efficient, speed is fast, can energy saving, and nothing
Noise pollution.
The utility model is to be achieved through the following technical solutions:
A kind of desulfurization wastewater Zero discharging system, including waste water tank, microwave dryer and cyclone separator；The waste water tank
Middle addition has water absorbing polymer particle, and the waste water tank is connect by conveyer with microwave dryer, and microwave dryer passes through pipe
Road is connect with cyclone separator, is also connected with gate valve at microwave dryer lower exit port.
The water absorbing polymer particle is made of polymer absorbent material, partial size 5-20mm.
Compressed air has also been passed through in the pipeline.
The conveyer is screw conveyor, belt conveyor or bucket elevator.
Contain microwave generator in the microwave dryer, can produce frequency electromagnetic waves.
The pipeline is steel pipe, and caliber is greater than DN50, is less than DN200, for conveying compressed air.
Compared with prior art, the utility model has technical effect beneficial below:
A kind of desulfurization wastewater Zero discharging system provided by the utility model, the desulfurization wastewater applied to coal-burning boiler are handled.
The utility model uses water absorbing polymer particle Absorption Desulfurization waste water, and no chemical contamination can be recycled after dry, will not generate
Solid waste；Microwave drying is high-efficient, speed is fast, can save in-fighting, and noise-less pollution；Salt after evaporation drying is through revolving
It is discharged into junior's deduster centralized collection after the separation of wind separator, water absorbing polymer particle can be recycled.
Detailed description of the invention
Fig. 1 is desulfurization wastewater Zero discharging system schematic diagram provided by the utility model.
Wherein: 1 water absorbing polymer particle, 2 waste water tanks, 3 conveyers, 4 microwave dryers, 5 gate valves, 6 pipelines, 7 whirlwind
Separator.
Specific embodiment
The utility model is described in further detail below with reference to specific embodiment, described is to the utility model
Explanation rather than limit.
Referring to Fig. 1, a kind of desulfurization wastewater Zero discharging system, including it is water absorbing polymer particle 1, waste water tank 2, conveyer 3, micro-
Wave drier 4, gate valve 5, pipeline 6 and cyclone separator 7；Being added in the waste water tank 2 has water absorbing polymer particle 1, institute
Waste water tank 2 to be stated to connect by conveyer 3 with microwave dryer 4, microwave dryer 4 is connect by pipeline 6 with cyclone separator 7,
Gate valve 5 is also connected at 4 lower exit port of microwave dryer.Compressed air has also been passed through in the pipeline 6.
Preferably, water absorbing polymer particle 1 is made of polymer absorbent material, and partial size 5-20mm can be recycled.Wherein,
Water absorbing polymer particle material such as silica gel, modified silica-gel, resin etc., different material saturated extent of adsorption is different, and silica gel is to moisture
Absorption can achieve the 30% of weight, the water absorbing capacity of modified silica-gel is higher.And ydroscopic high-molecular resin material is that one kind contains
There is the strongly hydrophilics group such as carboxyl, hydroxyl, can be absorbed rapidly by itself three-dimensional space network structure and keeps self-respect more than ten times
To thousands of times of hydrone, it is class set water suction, water conservation, is sustained in the functional macromolecule material of one.
Since the hydrone being adsorbed in polymer absorbent material is polar molecule, moisture movement adds under microwave action
Play directly gets rid of suction-operated of the material to it itself, becomes the hydrone of free state, in this course due to hydrone
Strenuous exercise, vibration, microwave energy is converted to thermal energy, so that the water and water absorbing polymer particle temperature that are adsorbed quickly rise
Height, hydrone desorption are evaporated.
Preferably, conveyer 3 is screw conveyor, belt conveyor or bucket elevator.
Preferably, contain microwave generator in microwave dryer 4, can produce frequency electromagnetic waves.
Preferably, pipeline 6 is steel pipe, and caliber is greater than DN50, is less than DN200, for conveying compressed air.
The process flow of the utility model is as follows:
Desulfurization wastewater is stored in waste water tank 2, and water absorbing polymer particle 1 is put into waste water tank 2, useless for Absorption Desulfurization
Water, to waste water absorption finish, with conveyer 3 by after water suction water absorbing polymer particle 1 be sent into microwave dryer 4, with microwave into
Row drying is dried evaporation to moisture in water absorbing polymer particle 1, after the salt in desulfurization wastewater is evaporated precipitation, is opened and is inserted
Plate valve 5 is delivered to cyclone separator 7 by pipeline 6 by particulate removal, by compressed air, and cyclone separator 7 is in gravity and whirlwind
Under the action of, water absorbing polymer particle 1 is separated with waste water salt, the circulation of water absorbing polymer particle 1 after separation is used for waste water,
Salt is discharged into junior's duster system with compressed air and collects.
A kind of desulfurization wastewater Zero discharging system provided by the utility model, the desulfurization wastewater applied to coal-burning boiler are handled.
The utility model uses water absorbing polymer particle Absorption Desulfurization waste water, and no chemical contamination can be recycled after dry, will not generate
Solid waste；Microwave drying is high-efficient, speed is fast, can save in-fighting, and noise-less pollution；Salt after evaporation drying is through revolving
It is discharged into junior's deduster centralized collection after the separation of wind separator, water absorbing polymer particle can be recycled.Meanwhile the utility model
Also have the advantages that structure is simple, compact, strong applicability.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of desulfurization wastewater Zero discharging system, which is characterized in that including waste water tank (2), microwave dryer (4) and cyclonic separation
Device (7)；Being added in the waste water tank (2) has water absorbing polymer particle (1), the waste water tank (2) by conveyer (3) with it is micro-
Wave drier (4) connection, microwave dryer (4) are connect by pipeline (6) with cyclone separator (7), below microwave dryer (4)
Exit is also connected with gate valve (5).
2. desulfurization wastewater Zero discharging system according to claim 1, which is characterized in that the water absorbing polymer particle
(1) it is made of polymer absorbent material, partial size 5-20mm.
3. desulfurization wastewater Zero discharging system according to claim 1, which is characterized in that be also passed through in the pipeline (6)
There is compressed air.
4. desulfurization wastewater Zero discharging system according to claim 1, which is characterized in that the conveyer (3) is spiral
Conveyer, belt conveyor or bucket elevator.
5. desulfurization wastewater Zero discharging system according to claim 1, which is characterized in that in the microwave dryer (4)
Containing microwave generator, it can produce frequency electromagnetic waves.
6. desulfurization wastewater Zero discharging system according to claim 1, which is characterized in that the pipeline (6) is steel pipe, pipe
Diameter is greater than DN50, is less than DN200, for conveying compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420026.5U CN208308470U (en) | 2018-03-27 | 2018-03-27 | A kind of desulfurization wastewater Zero discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420026.5U CN208308470U (en) | 2018-03-27 | 2018-03-27 | A kind of desulfurization wastewater Zero discharging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208308470U true CN208308470U (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820420026.5U Active CN208308470U (en) | 2018-03-27 | 2018-03-27 | A kind of desulfurization wastewater Zero discharging system |
Country Status (1)
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|---|---|
| CN (1) | CN208308470U (en) |
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2018
- 2018-03-27 CN CN201820420026.5U patent/CN208308470U/en active Active
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