CN110065978A - A kind of efficient gas distributor for high-salt wastewater rotary spraying and drying method - Google Patents
A kind of efficient gas distributor for high-salt wastewater rotary spraying and drying method Download PDFInfo
- Publication number
- CN110065978A CN110065978A CN201910225716.4A CN201910225716A CN110065978A CN 110065978 A CN110065978 A CN 110065978A CN 201910225716 A CN201910225716 A CN 201910225716A CN 110065978 A CN110065978 A CN 110065978A
- Authority
- CN
- China
- Prior art keywords
- cone
- outer taper
- drying method
- inlet channel
- rotary spraying
- 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
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Classifications
-
- 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
- C02F1/048—Purification of waste water by evaporation
-
- 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
Abstract
The invention discloses a kind of efficient gas distributors for high-salt wastewater rotary spraying and drying method, including inlet channel and gas distribution mechanism, inlet channel is connected to gas distribution mechanism, gas distribution mechanism includes Outer Taper, intermediate cone and inner cone, the outer edge of Outer Taper top surface is connected with the lower part of admission line, intermediate cone is mounted on the inside of Outer Taper, inner cone is mounted on the inside of intermediate cone, intermediate cone is fixedly connected with the top of inner cone by sunpender, the top side detachable of inner cone is mounted on the inner wall of inlet channel, it is empty in the body wall of Outer Taper and intermediate cone, Outer Taper and intermediate cone bottom side are equipped with the gas outlet of annular, inlet channel is connected to gas outlet by Outer Taper and intermediate cone, inner cone upper surface is equipped with atomizer at center, the atomizing nozzle of atomizer is located at the center below intermediate cone Place, two layers of air inlet of distributor exceptionally cone and intermediate cone, it is possible to reduce the deposition of solids of atomizer lower part.
Description
Technical field
The present invention relates to energy-saving environmental protection device technical fields, refer specifically to a kind of for high-salt wastewater rotary spraying and drying method
Efficient gas distributor.
Background technique
China faces long-term shortage of water resources and problem of environmental pollution, in recent years, with China environmental protection policy, method
Gradually perfect, the continuous improvement of environmental pollution improvement's level of rule.As industrial water rich and influential family, Water Demand for Thermal Power Plants and
Displacement is very big, and increasingly strict with national environmental protection policy, the requirement of wastewater zero discharge has been imminent in thermal power plant.Fire
The key of power plant effluent zero-emission is the processing of high slat-containing wastewater.Such waste water salt content is high, has stronger corrosivity, and
Containing more heavy metal, reuse approach critical constraints in factory already become the matter of utmost importance of power plant effluent zero-emission.
The technology that power plant effluent zero-emission at present uses mainly has evaporative crystallization method, flue atomization evaporation technology and side
Road flue rotary spraying and drying facture.Rotary spraying and drying facture is since process flow is simple, system features in convenient, work
Journey investment is low with operating cost, which increasingly obtains industrial application.Rotary spraying and drying method is de- using boiler of power plant SCR
For hot fume between nitre reactor and air preheater as heat source, the technology for evaporating waste water in spray drying tower works as hot fume
When by being dispersed into drying tower, the fine mist after being atomized by atomizer is contacted with it, in gas-liquid contact process
In, moisture is rapidly evaporated, and by control gas distribution, flow rate of liquid, fogdrop diameter etc., the droplet after making atomization reaches dry
Before dry tower wall, droplet is dried, and the salt in waste water eventually forms powdered product.
One key influence factor of rotary spraying and drying method is how hot fume is effectively distributed in drying tower,
That is the Optimal Structure Designing of gas distributor, the structure design of gas distributor influence whether the drying effect and heat of waste water
The consumption of flue gas, at present to the less of the design studies of gas distributor, traditional gas distributor wastewater treatment capacity compared with
Big situation is ineffective, following situations easily occurs:
(1) temperature difference is larger on same section in drying tower, leads to material locally viscous wall；
(2), since gas-liquid two-phase contact is unreasonable, decline dry tenacity greatly, then the volume of drying tower becomes
Greatly；
(3) the thermal efficiency is very low, and tower wind-warm syndrome is difficult to decline out.
Summary of the invention
The present invention is insufficient according to prior art, proposes a kind of efficient air for high-salt wastewater rotary spraying and drying method
Body distributor makes hot fume be able to achieve circumferencial direction even into drying tower, and can be according to adjusting water conservancy diversion leaf under working condition
The angle of piece guarantees that the waste water drop after atomizer is atomized can be dried in time, avoids the occurrence of dry inner wall of tower ash deposit and slag buildup.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows:
A kind of efficient gas distributor for high-salt wastewater rotary spraying and drying method, including inlet channel and gas point
Cloth mechanism, the inlet channel are connected to gas distribution mechanism, the gas distribution mechanism include Outer Taper, intermediate cone and
The outer edge of inner cone, the Outer Taper top surface is connected with the lower part of admission line, and the inner cone is arranged in inlet channel
On the outer wall support plate of inside, the intermediate cone is mounted on the inside of Outer Taper, and the inner cone is mounted on the interior of intermediate cone
Side, the intermediate cone are fixedly connected with the top of inner cone by sunpender, the top side detachable of the inner cone be mounted on into
Empty in the body wall of the inner wall in gas channel, the Outer Taper and intermediate cone, the Outer Taper and intermediate cone bottom side are equipped with annular
Gas outlet, the inlet channel is connected to gas outlet by Outer Taper and intermediate cone, at the center of the inner cone upper surface
Atomizer is installed, the atomizing nozzle of the atomizer is located at the center below intermediate cone.
Preferably, the inlet channel is scroll casing type channel, the inlet channel includes outer arc plate and inner arc plate, institute
Stating inner arc plate is circular configuration, and the outer arc plate is connected in sequence by several arc panels, and the angle of the arc panel is by air inlet
The inlet port in channel is gradually reduced to the other end, and the inner wall of the inner arc plate is fixed with the supporting element of annular, the inner cone
Top be connected on supporting element.
Preferably, inner arc plate is connected at the top edge of the inner cone, the bottom side of the inner arc plate and mounting plate
Distribution air inlet is equipped between upper surface, the distribution air inlet is evenly distributed with several demarcation plates, the top side of the demarcation plate
It is connected with the bottom side of inner arc plate, the bottom side of the demarcation plate is connected with the upper surface of mounting plate.
Preferably, forming an inlet chamber between the outer surface of cupular part and mounting plate of the inner cone, the air inlet is logical
Road is connected to inlet chamber by being distributed air inlet, and the top of the Outer Taper and intermediate cone is connected to inlet chamber.
Preferably, Distribution of Institutions has several deflectors, the Outer Taper in a ring in the Outer Taper and intermediate cone
The axial line angulation of interior deflector and Outer Taper is 10~15 °, the intracorporal deflector of the middle cone and middle cone
The axial line angulation of body is 8~12 °
Preferably, the internal diameter of the Outer Taper, intermediate cone and inner cone is to be gradually reduced from top to bottom.
Preferably, being equipped with seal chamber in the wall body of the inner cone, insulating layer is filled in the seal chamber.
Preferably, the deflector is rotatably provided in Outer Taper and intermediate cone.
Preferably, the bottom plate of the inner cone is higher than intermediate cone bottom, the atomizer is mounted on the bottom of inner cone
Plate upper surface.
The present invention have the characteristics that it is following and the utility model has the advantages that
By adopting the above technical scheme, two layers of air inlet of distributor exceptionally cone and intermediate cone, wherein intermediate cone is close to mist
Change the atomizing nozzle of device, it is possible to reduce the deposition of solids of atomizer lower part；Intermediate cone and inner cone can pass through sunpender entirety
It hangs out, it is convenient to overhaul.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the enlarged diagram of part A in Fig. 1.
Fig. 3 is three-dimensional cutaway view of the present invention.
In figure, 1- inlet channel, 2- air inlet, 3- sunpender, 4- atomizer, 5- supporting element, 6- deflector, 7- atomizing nozzle,
8- be distributed the outer centrum of air inlet, 9-, intercentrum in 10-, centrum in 11-, the dry tower body of 12-, 13- smoke outlet, 14- slag-drip opening,
16- insulating layer, 17- mounting plate, 18- inlet chamber.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, being retouched below
Technical characteristic involved in each embodiment of the present invention stated as long as they do not conflict with each other can be mutual group
It closes.
The present invention provides a kind of efficient gas distributors for high-salt wastewater rotary spraying and drying method, such as Fig. 1 to figure
Shown in 3, including inlet channel 1 and gas distribution mechanism, the inlet channel 1 are connected to gas distribution mechanism, the gas point
Cloth mechanism includes Outer Taper 9, intermediate cone 10 and inner cone 11, the outer edge and admission line 1 of the top surface of the Outer Taper 9
Lower part be connected, the intermediate cone 10 is mounted on the inside of Outer Taper 9, and the inner cone 11 is mounted on intermediate cone 10
Inside, the intermediate cone 10 and the top of inner cone 11 be fixedly connected by sunpender 3, the Outer Taper 9 and intermediate cone
Empty in 10, the top side detachable of the inner cone 11 is mounted on the inner wall of inlet channel 1, and the inlet channel 1 passes through Outer Taper
9 and intermediate cone 10 be connected in dry tower body 12, atomizer 4, the mist are installed at the 11 upper surface center of inner cone
The atomizing nozzle for changing device 4 is located at the center of 10 lower section of intermediate cone.
In above-mentioned technical proposal, distributor exceptionally cone 9 and two layers of the air inlet of intermediate cone 10, wherein intermediate cone 10 is leaned on
The atomizing nozzle 7 of nearly atomizer 4, it is possible to reduce the deposition of solids of 4 lower part of atomizer；The top side detachable of the inner cone 11
It is mounted on the inner wall of inlet channel 1, intermediate cone 10 and inner cone 11 can integrally be hung out by sunpender, convenient to overhaul.
It should be understood that the efficient gas distributor setting is at dry 12 top of tower body, the bottom of the dry tower body 12
Portion is equipped with smoke outlet 13, and the bottom end of the dry tower body 12 is equipped with slag-drip opening 14, and the top of the dry tower body 12 is equipped with annular
Mounting plate 17, the inlet channel 1 and gas distribution mechanism are mounted on mounting plate 17.Therefore, outside the top of Outer Taper 9
Edge is fixedly connected with the inward flange of mounting plate 17.
It should be understood that it is empty in the body wall of Outer Taper 9 and intermediate cone 10, for the circulation of flue gas, i.e. 9 He of Outer Taper
Intermediate cone 10 is made of two round table-like arc panels, and the space formed between inside and outside arc panel is for flue gas
Circulation.
It should be understood that Outer Taper 9, middle intercentrum 10 and interior centrum 11 such as are at the hollow round table of wall thickness.And they
Outer surface is identical as horizontal plane institute's angle degree.
It should be understood that being connected by water supply line with atomizer, so that waste water is delivered in atomizer.
The bottom plate of the further setting of the present invention, the inner cone is higher than intermediate cone bottom, and the atomizer is mounted on
The plate upper surface of inner cone, so that the atomized drop that the atomizing nozzle 7 of atomizer 4 sprays will not be contacted with mounting plate bottom side, really
Protect drying effect.
The further setting of the present invention, the inlet channel 1 are scroll casing type channel, and the inlet channel 1 includes outer arc plate
And inner arc plate, the inner arc plate are circular configuration, the outer arc plate is connected in sequence by several arc panels, the arc panel
Angle be gradually reduced from the inlet port of inlet channel to the other end, the inner wall of the inner arc plate be fixed with annular support
The top of part 5, the inner cone 11 is connected on supporting element 5.
Specifically, outer arc plate is connected in sequence by four pieces of arcs.
It should be understood that the top of inner cone 11 is outward extended with the bulge loop of annular, and bulge loop outer diameter is greater than supporting element
Internal diameter, therefore inner cone 11 is placed on supporting element, intermediate cone 10 and inner cone 11 can integrally be hung out by sunpender, side
Just it overhauls.
It should be understood that being provided with several card slots on supporting element, corresponding card slot is equipped with fixture block on the downside of the bulge loop of inner cone,
Intermediate cone 10 and inner cone 11 can integrally be hung out by sunpender, convenient to overhaul, and be installed more firm.
Specifically, outer arc plate is connected in sequence by four pieces of arcs.
Above-mentioned technical proposal can not only guarantee radial air inlet uniformly, and can be avoided air-flow center deviation drying tower
The geometric center of body 12, in addition, the production in scroll casing type channel, has saved material and manufacturing cost.
The further setting of the present invention is connected to inner arc plate at the top edge of the inner cone 11, the inner arc plate
Distribution air inlet 8 is equipped between 17 upper surface of bottom side and mounting plate, the distribution air inlet 8 is evenly distributed with several demarcation plates,
The top side of the demarcation plate is connected with the bottom side of inner arc plate, and the bottom side of the demarcation plate is connected with the upper surface of mounting plate.
In above-mentioned technical proposal, the flue gas that inlet channel 1 is sent into is carried out by distribution air inlet and demarcation plate uniform
Distribution, to be uniformly sent into dry tower body 12 by the top import of Outer Taper 9 and intermediate cone 10.
Further, an inlet chamber 18 is formed between the outer surface of cupular part and mounting plate 17 of the inner cone 11, it is described
Inlet channel 1 is connected to inlet chamber 18 by being distributed air inlet 8, the top of the Outer Taper 9 and intermediate cone 10 be connected into
Air cavity 18.
The further setting of the present invention, Distribution of Institutions has several water conservancy diversion in a ring in the Outer Taper 9 and intermediate cone 10
The axial line angulation of plate 6, the intracorporal deflector of the outer cone and Outer Taper is 10~15 °, and the middle cone is intracorporal
Deflector and the axial line angulation of intermediate cone are 8~12 °
In above-mentioned technical proposal, hot fume is made to be able to achieve circumferencial direction even into dry tower body 12, so that it is guaranteed that through
Phenomena such as waste water drop after atomizer atomization can be dried in time, and dry inner wall of tower is not in ash deposit and slag buildup.
It should be understood that deflector 6 is mounted in the body wall of Outer Taper 9 and intermediate cone 10 by shaft, thus to leading
Flowing plate 6 realizes angle adjustable, therefore can be adjusted according to angle of the working condition to deflector, adaptable, thus
It is further ensured that the waste water drop after atomizer is atomized can be dried in time, dry inner wall of tower is not in that ash deposit and slag buildup etc. is existing
As.
Further, the internal diameter of the Outer Taper 9, intermediate cone 10 and inner cone 11 is to be gradually reduced from top to bottom.
The further setting of the present invention, the wall body of the inner cone 11 is interior to be equipped with seal chamber, is filled in the seal chamber
Insulating layer 16 can be avoided hot fume by setting insulating layer 16 and enter dry tower body 12 by Outer Taper 9 and intermediate cone 10
When interior, heat is conducted to atomizer, to influence the normal work of atomizer 4.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described realities
Apply mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these implementations
Mode includes that component carries out a variety of change, modification, replacement and modification, is still fallen in protection scope of the present invention.
Claims (9)
1. a kind of efficient gas distributor for high-salt wastewater rotary spraying and drying method, which is characterized in that including inlet channel
With gas distribution mechanism, the inlet channel is connected to gas distribution mechanism, and the gas distribution mechanism includes Outer Taper, centre
The outer edge of cone and inner cone, the Outer Taper top surface is connected with the lower part of admission line, and the intermediate cone is mounted on
The inside of Outer Taper, the inner cone are mounted on the inside of intermediate cone, and the top of the intermediate cone and inner cone is by hanging
Bar is fixedly connected, and the top side detachable of the inner cone is mounted on the inner wall of inlet channel, the Outer Taper and intermediate cone
Empty in body wall, the Outer Taper and intermediate cone bottom side are equipped with annular gas outlet, and the inlet channel is by Outer Taper in
Intercentrum is connected to gas outlet, and atomizer is equipped at the center of the inner cone upper surface, and the atomizing nozzle of the atomizer is located at
At center below intermediate cone.
2. the efficient gas distributor according to claim 1 for high-salt wastewater rotary spraying and drying method, feature exist
In the inlet channel is scroll casing type channel, and the inlet channel includes outer arc plate and inner arc plate, and the inner arc plate is round knot
Structure, the outer arc plate are connected in sequence by several arc panels, the angle of the arc panel from the inlet port of inlet channel to
The other end is gradually reduced.
3. the efficient gas distributor according to claim 2 for high-salt wastewater rotary spraying and drying method, feature exist
In being connected to inner arc plate at the top edge of the inner cone, be equipped between the bottom side and mounting plate upper surface of the inner arc plate
It is distributed air inlet, the distribution air inlet is evenly distributed with several demarcation plates, the top side of the demarcation plate and the bottom side of inner arc plate
It is connected, the bottom side of the demarcation plate is connected with the upper surface of mounting plate.
4. the efficient gas distributor according to claim 3 for high-salt wastewater rotary spraying and drying method, feature exist
In one inlet chamber of formation between the outer surface of cupular part and mounting plate of the inner cone, the inlet channel passes through distribution air inlet
Mouth is connected to inlet chamber, and the top of the Outer Taper and intermediate cone is connected to inlet chamber.
5. the efficient gas distributor according to claim 1 for high-salt wastewater rotary spraying and drying method, feature exist
In Distribution of Institutions has several deflectors in a ring in the Outer Taper and intermediate cone, the intracorporal deflector of outer cone and outer
The axial line angulation of cone is 10~15 °, the axial line institute of the intracorporal deflector of the middle cone and intermediate cone at
Angle be 8~12 °.
6. being distributed described in -5 any one for the efficient gas of high-salt wastewater rotary spraying and drying method according to claim 1
Device, which is characterized in that the internal diameter of the Outer Taper, intermediate cone and inner cone is to be gradually reduced from top to bottom.
7. the efficient gas distributor according to claim 6 for high-salt wastewater rotary spraying and drying method, feature exist
In equipped with seal chamber in the wall body of the inner cone, the seal chamber is interior to be filled with insulating layer.
8. the efficient gas distributor according to claim 6 for high-salt wastewater rotary spraying and drying method, feature exist
In the deflector is rotatably provided in Outer Taper and intermediate cone.
9. the efficient gas distributor according to claim 1 for high-salt wastewater rotary spraying and drying method, feature exist
In the bottom plate of the inner cone is higher than intermediate cone bottom, and the atomizer is mounted on the plate upper surface of inner cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225716.4A CN110065978A (en) | 2019-03-25 | 2019-03-25 | A kind of efficient gas distributor for high-salt wastewater rotary spraying and drying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225716.4A CN110065978A (en) | 2019-03-25 | 2019-03-25 | A kind of efficient gas distributor for high-salt wastewater rotary spraying and drying method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110065978A true CN110065978A (en) | 2019-07-30 |
Family
ID=67366448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910225716.4A Pending CN110065978A (en) | 2019-03-25 | 2019-03-25 | A kind of efficient gas distributor for high-salt wastewater rotary spraying and drying method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110065978A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627150A (en) * | 2019-09-23 | 2019-12-31 | 北京化工大学 | Continuous treatment method and device for zero discharge of high-concentration high-salinity wastewater |
| CN111792690A (en) * | 2020-04-27 | 2020-10-20 | 大唐环境产业集团股份有限公司 | Device and method for realizing zero discharge of desulfurization wastewater by using flue gas waste heat |
-
2019
- 2019-03-25 CN CN201910225716.4A patent/CN110065978A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627150A (en) * | 2019-09-23 | 2019-12-31 | 北京化工大学 | Continuous treatment method and device for zero discharge of high-concentration high-salinity wastewater |
| CN111792690A (en) * | 2020-04-27 | 2020-10-20 | 大唐环境产业集团股份有限公司 | Device and method for realizing zero discharge of desulfurization wastewater by using flue gas waste heat |
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