CN208194095U - A kind of tank type liquid distributor of wet desulphurization spray column - Google Patents
A kind of tank type liquid distributor of wet desulphurization spray column Download PDFInfo
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- CN208194095U CN208194095U CN201820429817.4U CN201820429817U CN208194095U CN 208194095 U CN208194095 U CN 208194095U CN 201820429817 U CN201820429817 U CN 201820429817U CN 208194095 U CN208194095 U CN 208194095U
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Abstract
The utility model discloses a kind of tank type liquid distributors of wet desulphurization spray column, including slot type mixer for liquid, lye jet pipe, lye tank (vat) and liquid distributor, the bottom and side wall of slot type mixer for liquid is closed, and top is provided with several groove bodies being set side by side from one end to the other end, and groove body bottom is got through；The lye jet pipe is set to inside slot type mixer for liquid, and is connected to by pump with concentrated base slot；Lye tank (vat) is set to the lower section of slot type mixer for liquid, for receiving the liquid of slot type mixer for liquid overflow；Liquid distributor is connected to the bottom of lye tank (vat), and lye is evenly distributed on the cross section of tower body.The tank type liquid distributor can mix the water from demister of collection with high alkali liquid, and high alkali liquid is diluted to suitable concentration, to efficiently use the water from demister, and reach preferable flue gas desulfurization effect.
Description
Technical field
The utility model is specifically related to a kind of tank type liquid distributor of wet desulphurization spray column.
Background technique
Wet desulphurization is that spray column is common gas-liquid reaction apparatus, and sodium hydroxide lye is pumped to tower top by recirculated water
Spraying layer mix with except fog after, form the droplet whereabouts of dispersion, at the same flue gas adverse current and on, gas-liquid comes into full contact with, right
Flue gas is washed, and the sulfur dioxide in flue gas is washed removal.
Existing wet desulphurization is usually that lye spraying layer is arranged in desulfurizing tower, the lye of spray and flue gas reverse flow
Dynamic, lye is reacted with the sulfur dioxide in flue gas, removes sulfur dioxide.Since a large amount of liquid can be carried during flow of flue gas
Drop, if the direct outlet of flue gas after wet desulphurization, can affect to ambient enviroment.So can be de- in wet process
Demister is arranged in the outlet port of sulphur tower, due to not only containing moisture in the mist that carries in flue gas, also dissolved with sulfuric acid, sulfate,
Sulfur dioxide etc., corrosivity with higher cause to seriously affect to the service life of demister.The acid that demister demisting obtains
Property water droplet generally directly instill desulfurizing tower in, can only fall into tower bottom could effectively in the partially acidic water acid carry out effectively in
With, but be difficult to utilize the partial moisture.
Utility model content
Inventor attempts to clean demister in the top of wet desulphurization spray column setting water distribution spraying layer, to improve
The service life of demister, but after water is mixed with acidity except fog after cleaning, when falling directly into the tower bottom of spray column, equally deposit
The problem of the part shipwreck is to be used effectively, water consume is caused to increase.So inventor attempts to receive in the part water
Collection, is diluted for the lye to the higher concentration for being passed through spray column, obtains the lye of suitable concentration, rationally to utilize the portion
Divide water.
For above-mentioned the technical problems existing in the prior art, the purpose of the utility model is to provide a kind of wet desulphurization sprays
Drench the tank type liquid distributor of tower.The tank type liquid distributor can mix the water from demister of collection with high alkali liquid,
High alkali liquid is diluted to suitable concentration, to efficiently use the water from demister, and reaches preferable flue gas desulfurization effect.
In order to solve problem above, the technical solution of the utility model are as follows:
A kind of tank type liquid distributor of wet desulphurization spray column, including slot type mixer for liquid, lye jet pipe, lye tank (vat) and cloth
Liquid device, the bottom and side wall closing of slot type mixer for liquid, top is provided with several slots being set side by side from one end to the other end
Body, groove body bottom are got through；The lye jet pipe is set to inside slot type mixer for liquid, and is connected to by pump with concentrated base slot；Lye tank (vat)
It is set to the lower section of slot type mixer for liquid, for receiving the liquid of slot type mixer for liquid overflow；Liquid distributor is connected to the bottom of lye tank (vat),
Lye is evenly distributed on the cross section of tower body.
Preferably, the bottom of slot type mixer for liquid extends to the inside of lye tank (vat).So that lye tank (vat) is easier reception slot type and mixes
The lye of liquid device overflow.
Preferably, the cross-sectional shape of the groove body is triangle.
Preferably, pH meter is provided in the liquid distributor.
Lye in lye jet pipe can be increased if pH is less than normal by the alkalinity that pH meter detects the lye in liquid distributor
Flow can suitably reduce the flow of the lye of lye jet pipe, in the premise for reaching preferable desulfuration efficiency if pH is bigger than normal
Under, use less lye.
Preferably, several through-holes are provided on the lye jet pipe.
It is further preferred that the through-hole is evenly distributed on lye jet pipe.It can be by lye jet pipe equably to slot
Spray into high alkali liquid in formula mixer for liquid, steadily increase the liquid level of high alkali liquid in slot type mixer for liquid, be conducive to high alkali liquid with from removing
The mixing of the water of day with fog.
It is further preferred that the diameter of the through-hole is 2-15mm, preferably 5-10mm.
The aperture of through-hole is required less herein, through-hole aperture can be larger, such as can achieve 2-5mm, even more greatly, produces
Raw resistance is smaller, since the location of lye jet pipe is higher, when the resistance of generation is smaller, can be effectively reduced to pump
Lift demand (relative to drive nozzle is used) sprays the conveying of high-concentration alkali liquor and is easier to realize.
Preferably, the liquid distributor includes communicating pipe, main distributed pipeline and several branch distributed pipelines, the upper end of communicating pipe
It is connected to the lye tank (vat), lower end is connected to the main distributed pipeline, several branch distributed pipelines are perpendicularly fixed at main distribution
The lower section of pipeline, and be connected to main distributed pipeline, the lower end of each distributed pipeline is provided with several spray apertures.
It is further preferred that main distributed pipeline and the link position of communicating pipe are located at the middle part of main distributed pipeline, branch distribution
The link position of pipeline and main distributed pipeline is located at the middle part of branch distributed pipeline.
The stability of liquid distributor can be improved.
The utility model has the following beneficial effects:
The tank type liquid distributor can mix the water from demister of collection with high alkali liquid, and high alkali liquid is diluted to
Suitable concentration to efficiently use the water from demister, and reaches preferable flue gas desulfurization effect.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of the wet desulfuration tower of the utility model；
Fig. 2 is the structural schematic diagram of demisting water collecting groove；
Fig. 3 is the structural schematic diagram of tank type liquid distributor；
Fig. 4 is the structural schematic diagram of liquid distributor.
Wherein, 1, exhanst gas outlet, 2, moisturizing spraying layer, 3, demister, 4, remove fog collector, 5, tank type liquid distribution
Device, 6, packing layer, 7, drive nozzle, 8, first flowmeter, 9, concentrated base slot, 10, second flowmeter, 11, reactive tank, 12, flue,
13, pH meter, 14, emptying heart round estrade, 15, closing rotary table, 16, diversion cofferdam, 17, slot type mixer for liquid, 18, lye jet pipe, 19,
Communicating pipe, 20, main distributed pipeline, 21, branch distributed pipeline, 22, lye tank (vat).
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As shown in Figure 1, a kind of wet desulphurization spray column, including tower body, demister, moisturizing spraying layer, except fog collector,
Tank type liquid distributor and concentrated base slot 9, wherein gas inlet is arranged in the lower end of tower body, and gas inlet is connect with flue 12, upper end
Exhanst gas outlet 1 is set；Moisturizing spraying layer 2 is set to the top of tower body, connect with clear water source；Demister 3 is set to moisturizing spray
The lower section of layer 2.As shown in Fig. 2, except fog collector 4 includes 15 and of closing rotary table for emptying heart round estrade 14, middle layer on upper layer
The diversion cofferdam 16 of lower layer empties the lower end that heart round estrade 14 is set to demister 3, and empties the maximum gauge of heart round estrade 14
It is equal with the internal diameter of tower body；The upper end of closing rotary table 15, which extends to, to be emptied in heart round estrade 14, and diversion cofferdam 16 is funnel structure,
The lower end of closing rotary table 15 extends to inside funnel structure；Except fog is collected along 14 inner wall of heart round estrade is emptied, closed along centre
The outer wall water conservancy diversion of rotary table 15 is flowed into tank type liquid distributor by diversion cofferdam 16.
As shown in Figure 3 and Figure 4, the tank type liquid distributor includes slot type mixer for liquid 17, lye jet pipe 18, lye tank (vat) 22
And liquid distributor, the bottom and side wall closing of slot type mixer for liquid 17, top is provided with several from one end to the other end and sets side by side
The cross-sectional shape of the groove body set, groove body is rectangle or triangle, and preferably triangle, bottom is got through, the diversion cofferdam
16 bottom is connected to the middle position at 17 top of slot type mixer for liquid；Lye jet pipe 18 is set to inside slot type mixer for liquid 17, and
It is connected to by pumping with the concentrated base slot 9；Lye tank (vat) 22 is set to the lower section of slot type mixer for liquid 17, for receiving slot type mixer for liquid 17
The liquid of overflow；Liquid distributor is connected to the bottom of lye tank (vat) 22, and lye is evenly distributed on the cross section of tower body.
Demister can carry out demisting to the flue gas after desulfurization, sprayed water, can will be removed to demister by moisturizing spraying layer
Day with fog is cleaned, and the concentration of demister surface acid and salt is reduced, and is mitigated the corrosion to demister, is effectively increased demister
Service life.
The fog of demister removing and the inner wall for emptying heart round estrade to the ejected wash water edge of demister flow downward, and in
The weakly acidic water in the part is led under the guide functions three times of the diversion cofferdam of the secondary water conservancy diversion and lower layer of the closing rotary table of layer
It flow in the groove body at the middle part of slot type mixer for liquid, this part water enters the inside of slot type mixer for liquid by groove body, with lye jet pipe
The lye of penetrating mixes, and on the one hand removes acidic materials, and moisture is on the other hand supplemented into lye, can save lye spray
The water consumption of leaching.Lye in slot type mixer for liquid, into lye tank (vat), and passes through liquid distributor by the groove body overflow of its top two sides
Lye is evenly distributed on the cross section of tower body, desulfurization is carried out to flue gas.
The demister is ripple packing demister.PH meter is provided in the liquid distributor.Liquid distributor is detected by pH meter
In the alkalinity of lye can increase the flow of lye in lye jet pipe if pH is less than normal, if pH is bigger than normal, can suitably subtract
The flow of the lye of small lye jet pipe uses less lye under the premise of reaching preferable desulfuration efficiency.
Several through-holes are provided on lye jet pipe, through-hole is evenly distributed on lye jet pipe, and the diameter of through-hole is 2-
15mm, preferably 5-10mm.The aperture of through-hole is required less herein, through-hole aperture can be larger, it such as can achieve 2-5mm,
Even more big, the resistance of generation is smaller, since the location of lye jet pipe is higher, when the resistance of generation is smaller, and Ke Yiyou
Effect reduces the lift demand (relative to drive nozzle is used) to pump, sprays the conveying of high-concentration alkali liquor and is easier to realize.
As shown in figure 4, the liquid distributor includes communicating pipe 19, main distributed pipeline 20 and several branch distributed pipelines 21, connect
The upper end of siphunculus 19 is connected to the lye tank (vat) 22, and lower end is connected to the main distributed pipeline 20, several branch distributed pipelines 21
It is perpendicularly fixed at the lower section of main distributed pipeline 20, and is connected to main distributed pipeline 20, the lower end of each distributed pipeline 21
It is provided with several spray apertures.Main distributed pipeline 20 is located at the middle part of main distributed pipeline 20 with the link position of communicating pipe 19,
The link position of branch distributed pipeline 21 and main distributed pipeline 20 is located at the middle part of branch distributed pipeline 21.The steady of liquid distributor can be improved
It is qualitative.
Packing layer 6 is provided with below liquid distributor.The denseer lye that liquid distributor sprays forms liquid in packing layer 6
Film can effectively improve the contact area with flue gas, and then improve the desulfuration efficiency to flue gas.Filler in packing layer 6 is wave
Line filler.The lower section of packing layer 6 is provided with sig water spraying layer, and sig water spraying layer is connected to by pump with tower body bottom.It can be with
The complete lye of the unreacted of tower body bottom is sprayed again.Sig water spraying layer is provided with several drive nozzles 7.It is dilute
The setting position of lye spraying layer is lower, and pump can be easy to for sig water to be pumped to the height.It, can when using drive nozzle 7
Sig water to be sufficiently atomized, the contact area of droplet and flue gas is improved, and then improve the desulfuration efficiency to flue gas.
The bottom of tower body is provided with pH meter.It can be used for measuring the pH value of bottom liquid, if aobvious alkalinity, can repeat to make
With if being difficult to reach preferable desulfurization effect again, by partially liq outlet processing.
A kind of wet desulphurization method, includes the following steps:
1) flue gas, which is passed through in wet desulphurization spray column, carries out desulfurization, and the moisturizing spraying layer of wet desulphurization top of tower is to demister
Clear water is sprayed, demister is cleaned；
2) demister removing drop with demister is cleaned after water except fog collector guide functions under
It flow in the slot type mixer for liquid of tank type liquid distributor, is mixed with the lye of the higher concentration from lye jet pipe, reacted；
3) lye after the preliminarily diluted in slot type mixer for liquid passes through the groove body overflow of two sides at the top of slot type mixer for liquid to alkali
In liquid bath, and lye is evenly distributed on the cross section of tower body by liquid distributor, the packing layer of lower section is fallen in, in packing layer shape
At lye film, desulfurization is carried out to flue gas.
4) sig water spraying layer is set below packing layer, the sig water of tower body bottom is subjected to circulated sprinkling.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of tank type liquid distributor of wet desulphurization spray column, it is characterised in that: including slot type mixer for liquid, lye jet pipe,
Lye tank (vat) and liquid distributor, the bottom and side wall closing of slot type mixer for liquid, top is provided with several from one end to the other end simultaneously
The groove body of setting is arranged, groove body bottom is got through；The lye jet pipe is set to inside slot type mixer for liquid, and is connected by pump and concentrated base slot
It is logical；Lye tank (vat) is set to the lower section of slot type mixer for liquid, for receiving the liquid of slot type mixer for liquid overflow；Liquid distributor and lye tank (vat)
Bottom connection, lye is evenly distributed on the cross section of tower body.
2. tank type liquid distributor according to claim 1, it is characterised in that: the bottom of slot type mixer for liquid extends to lye
The inside of slot.
3. tank type liquid distributor according to claim 1, it is characterised in that: the cross-sectional shape of the groove body is triangle
Shape.
4. tank type liquid distributor according to claim 1, it is characterised in that: be provided with pH meter in the liquid distributor.
5. tank type liquid distributor according to claim 1, it is characterised in that: be provided with several on the lye jet pipe
Through-hole.
6. tank type liquid distributor according to claim 5, it is characterised in that: the through-hole is evenly distributed on lye jet pipe
On.
7. tank type liquid distributor according to claim 5, it is characterised in that: the diameter of the through-hole is 2-15mm.
8. tank type liquid distributor according to claim 7, it is characterised in that: the diameter of the through-hole is 5-10mm.
9. tank type liquid distributor according to claim 1, it is characterised in that: the liquid distributor includes communicating pipe, main point
Cloth pipeline and several branch distributed pipelines, the upper end of communicating pipe are connected to the lye tank (vat), and lower end and the main distributed pipeline connect
Logical, several branch distributed pipelines are perpendicularly fixed at the lower section of main distributed pipeline, and are connected to main distributed pipeline, and each point
The lower end of cloth pipeline is provided with several spray apertures.
10. tank type liquid distributor according to claim 9, it is characterised in that: the connection of main distributed pipeline and communicating pipe
Position is located at the middle part of main distributed pipeline, and branch distributed pipeline and the link position of main distributed pipeline are located in branch distributed pipeline
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820429817.4U CN208194095U (en) | 2018-03-28 | 2018-03-28 | A kind of tank type liquid distributor of wet desulphurization spray column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820429817.4U CN208194095U (en) | 2018-03-28 | 2018-03-28 | A kind of tank type liquid distributor of wet desulphurization spray column |
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| CN208194095U true CN208194095U (en) | 2018-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351168A (en) * | 2018-12-26 | 2019-02-19 | 南京泰斯普化工工程技术有限公司 | A kind of flue gas desulfurization device |
| CN109999615A (en) * | 2019-04-30 | 2019-07-12 | 江苏同庆安全科技有限公司 | A kind of emission-control equipment and its treatment process being segmented recycling function with solvent |
-
2018
- 2018-03-28 CN CN201820429817.4U patent/CN208194095U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351168A (en) * | 2018-12-26 | 2019-02-19 | 南京泰斯普化工工程技术有限公司 | A kind of flue gas desulfurization device |
| CN109351168B (en) * | 2018-12-26 | 2024-05-14 | 南京泰斯普化工工程技术有限公司 | Flue gas desulfurization device |
| CN109999615A (en) * | 2019-04-30 | 2019-07-12 | 江苏同庆安全科技有限公司 | A kind of emission-control equipment and its treatment process being segmented recycling function with solvent |
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