CN109126170A - A kind of spray-drying installation of air and gas system and its desulfurization wastewater - Google Patents
A kind of spray-drying installation of air and gas system and its desulfurization wastewater Download PDFInfo
- Publication number
- CN109126170A CN109126170A CN201811315095.0A CN201811315095A CN109126170A CN 109126170 A CN109126170 A CN 109126170A CN 201811315095 A CN201811315095 A CN 201811315095A CN 109126170 A CN109126170 A CN 109126170A
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- Prior art keywords
- air
- waste water
- hot
- hothouse
- water atomizing
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- 239000002351 wastewater Substances 0.000 title claims abstract description 116
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 39
- 230000023556 desulfurization Effects 0.000 title claims abstract description 39
- 238000001694 spray drying Methods 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 title claims abstract description 36
- 238000009692 water atomization Methods 0.000 claims abstract description 62
- 239000007921 spray Substances 0.000 claims abstract description 58
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 241000405070 Percophidae Species 0.000 claims abstract description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 241000537371 Fraxinus caroliniana Species 0.000 claims 1
- 235000010891 Ptelea trifoliata Nutrition 0.000 claims 1
- 239000007789 gas Substances 0.000 description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 13
- 238000001035 drying Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003517 fume Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/20—Sprayers
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
-
- 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
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of air and gas system and its spray-drying installations of desulfurization wastewater, the spray-drying installation includes the tall and thin type hothouse vertically extended, upper end setting gas inlet, lower end setting exhanst gas outlet, peripheral wall setting waste water atomizing lance and the hot-air spray gun of hothouse；Waste water atomizing lance and hot-air spray gun tilt down arrangement, make the height for being lower than one end far from nozzle close to the height of one end of nozzle, moreover, the nozzle of hot-air spray gun is the Duckbill type nozzle that spout is less than width of jet；Also, waste water atomizing lance and hot-air spray gun one-to-one correspondence, mutual corresponding waste water atomizing lance and hot-air spray gun are located at the two opposite sides of hothouse, moreover, the height of hot-air spray gun is lower than the height of corresponding waste water atomizing lance.The spray-drying installation of the desulfurization wastewater can evade the problem that waste water droplet is directly impinging on the inner wall of hothouse, and waste water droplet can be made sufficiently dry.
Description
Technical field
The present invention relates to desulfurization wastewater technical field of drying, more particularly to the spray of a kind of air and gas system and its desulfurization wastewater
Mist drying device.
Background technique
Spray dried form is a kind of usual way of dry desulfurization wastewater.It is by dried medium (hot-air or flue gas
Deng) be passed through in hothouse, and desulfurization wastewater is atomized as waste water droplet using atomizing lance and is injected in hothouse, in drying
Interior, waste water droplet, which contacts to be able to dry with dried medium, forms salt grain.
Currently, a kind of dry common hothouse of desulfurization wastewater is vertical parallel flow type hothouse, this hothouse is according to shape
The different of shape can be divided into fat dwarf forms and tall and thin type again, wherein the height of tall and thin type hothouse be at least the three times of its diameter with
On.Tall and thin type hothouse has many advantages, such as that evaporation distance, connection flue are short, the horizontal space of occupancy is small, airflow stability is good,
The hothouse more preferably selected as one kind.
But in tall and thin type hothouse use process, since diameter is small, it is easy that there are desulfurization wastewater droplet impingement drying rooms
Inner wall cause wall surface fouling and dry insufficient drawback.
It is this field in view of this, how to evade above-mentioned drawback existing for tall and thin type desulfurization wastewater hothouse use process
Technical staff's technical issues that need to address.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of spray-drying installation of desulfurization wastewater, the spray drying
Device includes the tall and thin type hothouse vertically extended, and cigarette is arranged in the upper end setting gas inlet of the hothouse, lower end
Gas outlet, peripheral wall setting waste water atomizing lance and hot-air spray gun；
The waste water atomizing lance and the hot-air spray gun tilt down arrangement, make the height close to one end of nozzle
Lower than the height of one end far from nozzle, moreover, the nozzle of the hot-air spray gun is the duck that spout is less than width of jet
Nozzle type nozzle；
Also, the waste water atomizing lance and the hot-air spray gun correspond, the mutual corresponding waste water atomization
Spray gun and the hot-air spray gun are located at the two opposite sides of the hothouse, moreover, the height of the hot-air spray gun is low
In the height of the corresponding waste water atomizing lance.
When the spray-drying installation work of the desulfurization wastewater:
Flue gas is passed into hothouse, and desulfurization wastewater droplet is injected in hothouse by waste water atomizing lance, desulfurization wastewater
Droplet and flue gas, which come into full contact with, is able to drying.Meanwhile hot-air is injected in hothouse by hot-air spray gun, forms hot-air
The desulfurization wastewater droplet of layer, the non-evaporating completely in part moves down under the drive of corresponding hot air layer, therefore will not be direct
It impacts on the inner wall of hothouse.Moreover, the desulfurization wastewater droplet that this part is not completely dried can continue to change with hot-air
Heat keeps drying more abundant to be further dried.
Spray-drying installation as described above, the spray-drying installation include at least two waste water atomizing lances,
Peripheral wall helical arrangement of each waste water atomizing lance along the hothouse, and the folder between the adjacent waste water atomizing lance
Angle is identical.
Spray-drying installation as described above, the position of mutual corresponding the waste water atomizing lance and the hot-air spray gun
It sets the axis for being configured that the waste water atomizing lance and axis extended line and forms the first friendship with the outside wall surface of the hothouse respectively
The midpoint of point and the second intersection point, first intersection point and the second intersection point line is anchor midpoint, the hot-air spray gun
The outside wall surface of axis and the hothouse forms third intersection point, the height and position of the third intersection point in the corresponding positioning
The height of point is consistent.
The height difference of spray-drying installation as described above, the adjacent waste water atomizing lance successively increases from top to bottom
Greatly.
The flow of spray-drying installation as described above, each waste water atomizing lance is sequentially reduced from top to bottom, each institute
The flow for stating hot-air spray gun is sequentially increased from top to bottom.
The inclination angle alpha of spray-drying installation as described above, the waste water atomizing lance is configured that 40 °≤α≤50 °；
The inclination angle beta of the hot-air spray gun is configured that α -10 °≤β≤α -5 °.
Spray-drying installation as described above, the atomizing angle of the waste water atomizing lance are 55 ° -85 °.
The present invention also provides a kind of air and gas system, the air and gas system includes spray-drying installation described in any of the above-described；
It further include air preheater, the gas inlet and exhanst gas outlet of the air preheater have been respectively communicated with the first flue and the second cigarette
Road；The gas inlet of the hothouse is connected to first flue, and exhanst gas outlet is connected to second flue.
Air and gas system as described above, second flue have horizontal segment, and ash bucket, institute is arranged in the bottom of the horizontal segment
The exhanst gas outlet for stating hothouse is connected to the horizontal segment.
Air and gas system as described above, the air outlet slit of the air preheater are connected to each hot-air spray gun, are used
In to the hot-air spray gun supply hot-air.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of specific embodiment of spray-drying installation of desulfurization wastewater provided by the invention.
Fig. 2 is the enlarged diagram of part A in Fig. 1.
Fig. 3 is perspective view of each waste water spray pistol on the cross section of hothouse in Fig. 1.
Fig. 4 is a kind of partial schematic diagram of specific embodiment of air and gas system provided by the invention.
Wherein, the reference numerals are as follows in Fig. 1 to Fig. 4:
1 spray-drying installation, 11 hothouses, 12 waste water atomizing lances, 13 hot-air spray guns, 14 baffles, 15 grids；
2 air preheaters, 3 first flues, 4 second flues, 5 high-pressure hot air pipelines, 6 hot-air branch pipes, 7 hot-air collection
Case, 8 ash buckets.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and have
Body embodiment is described in further detail technical solution of the present invention.
Fig. 1-Fig. 3 is please referred to, Fig. 1 is a kind of specific embodiment of spray-drying installation of desulfurization wastewater provided by the invention
Schematic diagram.Fig. 2 is the enlarged diagram of part A in Fig. 1.Fig. 3 is each waste water spray pistol in Fig. 1 on the cross section of hothouse
Perspective view.
As shown in Figure 1, the spray-drying installation 1 of the desulfurization wastewater includes the tall and thin type hothouse vertically extended
11.It is preferred that height is five times or more of tall and thin type hothouse of diameter.The upper end setting gas inlet of hothouse 11, lower end setting
Exhanst gas outlet.
In a particular embodiment, baffle 14 is arranged in the gas inlet position of hothouse 11, for adjusting flue gas flow.It is dry
Baffle (not shown) also can be set in the exhanst gas outlet position of room 11, can be with one when needing to overhaul spray-drying installation
And the baffle of entrance location and the gear 14 of outlet port are closed, spray-drying installation is isolated, to not influence the normal of system
Operation.Moreover, the entrance location of hothouse 11 is arranged changeover portion, the upper diameter of changeover portion is less than lower diameter, after changeover portion
Grid 15 is set, uniform flue gas is used for.
Also, the spray-drying installation 1 further includes waste water atomizing lance 12, is set to the peripheral wall of hothouse 11, for
Desulfurization wastewater droplet is sprayed into hothouse 11.Specifically, the process that desulfurization wastewater comes from flue gas desulphurization system generation is certain
The waste water of processing, either being also possible to be concentrated or evaporate dense by film merely through the waste water raw water of three header treatment process
High-salt wastewater after contracting can also be by chemically treated waste water such as softenings.These waste water finally need to be filtered processing
To reach lower concentration of suspension, to avoid blocking.
Also, the spray-drying installation 1 further includes hot-air spray gun 13, is set to the peripheral wall of hothouse 11, is used for dry
Hot-air is sprayed into dry room 11.
Specifically, waste water atomizing lance 12 and hot-air spray gun 13 correspond.Mutual corresponding waste water atomizing lance 12
The two opposite sides of hothouse are located at hot-air spray gun 13, for example, waste water atomizing lance 12 is located at the left side of hothouse, with
Corresponding hot-air spray gun 13 be located at the right side of hothouse.Moreover, the height of hot-air spray gun 13 is lower than corresponding waste water mist
Change the height of spray gun 12.
Also, waste water atomizing lance 12 and hot-air spray gun 13 tilt down arrangement, make the height close to one end of nozzle
Height of the degree lower than one end far from nozzle.Moreover, as shown in Fig. 2, the nozzle of hot-air spray gun 13 is that spout h is less than spray
The Duckbill type nozzle of mouth width degree w.The component that Duckbill type nozzle is well known to those skilled in the art, herein not to its structure feature
It repeats again.
When the spray-drying installation work of the desulfurization wastewater:
Flue gas is passed into hothouse 11, and desulfurization wastewater droplet is injected in hothouse 11 by waste water atomizing lance 12, is taken off
Sulphur waste water droplet and flue gas, which come into full contact with, is able to drying.Meanwhile hot-air is injected in hothouse 11 by hot-air spray gun 13, shape
At hot air layer, the desulfurization wastewater droplet of the non-evaporating completely in part moves down under the drive of corresponding hot air layer, therefore
It will not be directly impinging on the inner wall of hothouse 11.Moreover, the desulfurization wastewater droplet that this part is not completely dried can continue to
It exchanges heat to be further dried with hot-air, keeps drying more abundant.
Preferably, the range of the inclination angle alpha of waste water atomizing lance 12 are as follows: 40 °≤α≤50 °, hot-air spray gun 13 inclines
The range of rake angle β are as follows: α -10 °≤β≤α -5 °.Preferably, the atomizing angle of waste water atomizing lance 12 is 55 ° -85 °.Preferably,
The position of the mutual corresponding waste water atomizing lance 12 and the hot-air spray gun 13 is configured that the axis of waste water atomizing lance 12
Line and axis extended line form the first intersection point and the second intersection point, the first intersection point and the second intersection point with the outside wall surface of hothouse 11 respectively
The midpoint of line is anchor midpoint, and the axis of hot-air spray gun 13 and the outside wall surface of hothouse 11 form third intersection point, and third is handed over
The height of point is consistent with the height of corresponding anchor midpoint.
Preferred arrangement as above can make desulfurization wastewater droplet have reasonable range, can guarantee not steam more
Hair droplet flows downward with hot air layer, so as to more fully prevent desulfurization wastewater droplet from being directly impinging hothouse 11
On inner wall, and it can more fully dry desulfurization wastewater.
Preferably, at least two waste water atomizing lances 12 are set, correspondingly, two hot-air spray guns 13 are also at least arranged.
Compared to a waste water atomizing lance 12 is only arranged, one timing of desulfurization wastewater total flow, the flow of each waste water atomizing lance 12 is more
Small, the partial size of the desulfurization wastewater droplet formed accordingly is smaller, and evaporation specific surface area is bigger, more conducively dry abundant.Specific
In embodiment, it is provided with four waste water atomizing lances 12 and four hot-air spray guns 13.It, can be useless according to desulfurization in practical application
The quantity of water total flow selection waste water atomizing lance 12, it is preferred that the desulfurization wastewater mist for spraying each waste water atomizing lance 12
The partial size of drop is at 50 μm -80 μm.
Also, when being provided with two or more waste water atomizing lances 12, each waste water atomizing lance 12 is along hothouse 11
Peripheral wall helical arrangement, correspondingly, each hot-air spray gun 13 is also along the peripheral wall helical arrangement of hothouse 11.Helical arrangement mode can
So that desulfurization wastewater droplet spreads over the different height position along dry chamber axis and the different angle around dry chamber axis
Position, be conducive to it is dry sufficiently, moreover, helical arrangement mode can in a limited space in, in the structure for not influencing hothouse 11
Greater number of waste water atomizing lance 12 is arranged in the case where intensity.
Also, it is preferred that the angle between adjacent waste water atomizing lance 12 is identical, so set, being convenient for arrangement, and more sharp
In dry abundant.Specifically, as shown in figure 3, the angle between adjacent waste water atomizing lance 12 can be with the two in drying
Angle γ between projection on the cross section of room is indicated.In a particular embodiment, four waste water of setting in spiral one week are atomized spray
Rifle 12, angle γ are 90 DEG C.It should be noted that when a spiral week above quantity variation of waste water atomizing lance, angle γ
Corresponding change, for example, angle γ is 72 °, and six waste water are arranged in a spiral week when five waste water atomizing lances are arranged in a spiral week
When atomizing lance, angle γ is 60 °.
Preferably, the height difference of adjacent waste water atomizing lance 12 is gradually increased from top to bottom, as shown, L1 < L2 <
L3, and L3 is less than the distance between waste water atomizing lance 12 and 11 lower end surface of hothouse of bottom L4.Since flue gas is from upper
To lower flowing, the flue-gas temperature closer to hothouse lower part is lower, so set, can increase waste water atomizing lance 12 on the lower
The evaporation distance of the desulfurization wastewater droplet of ejection, to keep drying more abundant.
Preferably, the flow of each waste water atomizing lance 12 is sequentially reduced from top to bottom, correspondingly, waste water on the lower is atomized spray
The partial size for the desulfurization wastewater droplet that rifle 12 sprays is smaller.Also, the flow of each hot-air spray gun 13 successively increases from top to bottom
Greatly.Since flue gas flows from top to bottom, the flue-gas temperature closer to hothouse lower part is lower, so set, can pass through reduction
The partial size of desulfurization wastewater droplet and increase the flow of hot-air come alleviate because position flue-gas temperature on the lower it is lower caused by dry
The decline of speed.
In addition, referring to FIG. 4, Fig. 4 is a kind of partial schematic diagram of specific embodiment of air and gas system provided by the invention.
As shown in figure 4, the air and gas system includes above-mentioned spray-drying installation 11, it further include air preheater 2.Air preheat
The gas inlet and exhanst gas outlet of device 2 have been respectively communicated with the first flue 3 and the second flue 4, the gas inlet connection of hothouse 11
In first flue 3, exhanst gas outlet is connected to second flue 4, and the outlet dust-extraction unit of the second flue 4 (does not show in figure
Out).So set, the partial fume in the first flue 3 enters under differential pressure action between the first flue 3 and the second flue 4
Hothouse 11.The temperature of this partial fume is up to 300 DEG C -400 DEG C.
Further, as shown in figure 4,2 air outlet slit of air preheater is communicated with high-pressure hot air pipeline 5, specifically,
The high-pressure hot air pipeline 5 can be heat primary air pipeline, be also possible to hot secondary air duct.The high-pressure hot air pipeline 5 is logical
Overfire air branch pipe 6 is connected to hot-air header 7, and hot-air header 7 is connected to each hot-air spray gun 13.From air preheater 2
The hot-air of discharge is dispensed into each hot-air spray gun 13 through hot-air header 7.It so will be empty from the heat of the discharge of air preheater 2
Heated air source of the gas as spray-drying installation is conducive to energy saving.
Further, as shown in figure 4, the second flue 4 has horizontal segment, ash bucket 8, hothouse 11 is arranged in the bottom of horizontal segment
Outlet in the horizontal segment.So set, one side ash bucket 8 can collect the big partial size in part of drying process generation
Grain, ash can be passed through by the other hand adopting the sewage generated when the mode being rinsed with water clears up 11 inner wall of hothouse in maintenance down
8 discharge of bucket.
The spray-drying installation of air and gas system provided by the present invention and its desulfurization wastewater is described in detail above.
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection scope of the claims in the present invention.
Claims (10)
1. the spray-drying installation of a kind of air and gas system and desulfurization wastewater, which is characterized in that the spray-drying installation (1) includes
Cigarette is arranged in the tall and thin type hothouse (11) vertically extended, the upper end setting gas inlet of the hothouse (11), lower end
Gas outlet, peripheral wall setting waste water atomizing lance (12) and hot-air spray gun (13)；
The waste water atomizing lance (12) and the hot-air spray gun (13) tilt down arrangement, make close to one end of nozzle
Height is lower than the height of one end far from nozzle, moreover, the nozzle of the hot-air spray gun (13) is that spout is less than spout
The Duckbill type nozzle of width；
Also, the waste water atomizing lance (12) and the hot-air spray gun (13) correspond, the mutual corresponding waste water
Atomizing lance (12) and the hot-air spray gun (13) are located at the two opposite sides of the hothouse (11), moreover, the heat
The height of air gun (13) is lower than the height of the corresponding waste water atomizing lance (12).
2. spray-drying installation according to claim 1, which is characterized in that the spray-drying installation includes at least two
The waste water atomizing lance (12), each waste water atomizing lance (12) along the hothouse (11) peripheral wall helical arrangement, and
And the angle between the adjacent waste water atomizing lance (12) is identical.
3. spray-drying installation according to claim 2, which is characterized in that the mutual corresponding waste water atomizing lance
(12) and the position of the hot-air spray gun (13) is configured that the axis of the waste water atomizing lance (12) and axis extended line divide
Do not form the first intersection point and the second intersection point with the outside wall surface of the hothouse, first intersection point and the second intersection point line
Midpoint is anchor midpoint, and the axis of the hot-air spray gun (13) and the outside wall surface of the hothouse form third intersection point, described
The height of third intersection point is consistent with the height of the corresponding anchor midpoint.
4. spray-drying installation according to claim 2, which is characterized in that the adjacent waste water atomizing lance (12)
Height difference is sequentially increased from top to bottom.
5. spray-drying installation according to claim 2, which is characterized in that the flow of each waste water atomizing lance (12)
It is sequentially reduced from top to bottom, the flow of each hot-air spray gun (13) is sequentially increased from top to bottom.
6. spray-drying installation according to claim 1-5, which is characterized in that the waste water atomizing lance (12)
Inclination angle alpha be configured that 40 °≤α≤50 °；The inclination angle beta of the hot-air spray gun (13) be configured that α -10 °≤β≤
α-5°。
7. spray-drying installation according to claim 1-5, which is characterized in that the waste water atomizing lance (12)
Atomizing angle be 55 ° -85 °.
8. a kind of air and gas system, which is characterized in that the air and gas system includes any one of claim 1-7 spray drying dress
Set (1)；It further include air preheater (2), the gas inlet and exhanst gas outlet of the air preheater (2) have been respectively communicated with first
Flue (3) and the second flue (4)；The gas inlet of the hothouse (11) is connected to first flue (3), and exhanst gas outlet connects
Pass through second flue (4).
9. air and gas system according to claim 8, which is characterized in that second flue (4) has horizontal segment, the water
Ash bucket (8) are arranged in the bottom of flat section, and the exhanst gas outlet of the hothouse (11) is connected to the horizontal segment.
10. air and gas system according to claim 8 or claim 9, which is characterized in that the air outlet slit of the air preheater (2)
It is connected to each hot-air spray gun (13), for supplying hot-air to the hot-air spray gun (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315095.0A CN109126170B (en) | 2018-11-06 | 2018-11-06 | Flue gas and wind system and spray drying device for desulfurization wastewater thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315095.0A CN109126170B (en) | 2018-11-06 | 2018-11-06 | Flue gas and wind system and spray drying device for desulfurization wastewater thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109126170A true CN109126170A (en) | 2019-01-04 |
| CN109126170B CN109126170B (en) | 2024-03-12 |
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ID=64807722
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811315095.0A Active CN109126170B (en) | 2018-11-06 | 2018-11-06 | Flue gas and wind system and spray drying device for desulfurization wastewater thereof |
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| CN104150552A (en) * | 2014-09-05 | 2014-11-19 | 重庆大学 | Distillation drying tower for treating desulfurized waste water in thermal power plant |
| CN206549892U (en) * | 2017-02-16 | 2017-10-13 | 福建龙净环保股份有限公司 | A kind of mounting structure of smoke processing system and sprayer |
| CN207079022U (en) * | 2017-07-20 | 2018-03-09 | 中国华电科工集团有限公司 | A kind of vaporising device applied to desulfurization wastewater |
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2018
- 2018-11-06 CN CN201811315095.0A patent/CN109126170B/en active Active
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| GB2043474A (en) * | 1979-02-23 | 1980-10-08 | Aeromatic Ag | Method and apparatus for drying a pumpable substance containing a liquid |
| US20130248121A1 (en) * | 2011-03-24 | 2013-09-26 | Mitsubishi Heavy Industries, Ltd. | Spray-drying device for dehydrated filtrate from desulfurization wastewater, air pollution control system and flue gas treatment method |
| CN104150552A (en) * | 2014-09-05 | 2014-11-19 | 重庆大学 | Distillation drying tower for treating desulfurized waste water in thermal power plant |
| CN206549892U (en) * | 2017-02-16 | 2017-10-13 | 福建龙净环保股份有限公司 | A kind of mounting structure of smoke processing system and sprayer |
| CN207079022U (en) * | 2017-07-20 | 2018-03-09 | 中国华电科工集团有限公司 | A kind of vaporising device applied to desulfurization wastewater |
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