CN106422737A - Spray condensing and dust removing device for desulfurization tower - Google Patents
Spray condensing and dust removing device for desulfurization tower Download PDFInfo
- Publication number
- CN106422737A CN106422737A CN201610782487.2A CN201610782487A CN106422737A CN 106422737 A CN106422737 A CN 106422737A CN 201610782487 A CN201610782487 A CN 201610782487A CN 106422737 A CN106422737 A CN 106422737A
- Authority
- CN
- China
- Prior art keywords
- support beam
- flue gas
- water pipe
- cooling water
- desulfurizing tower
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention relates to a spray condensing and dust removing device for a desulfurization tower. The device comprises a tubular flue gas condenser arranged behind a first grade weir type demister, and a two-fluid atomization device is arranged behind the tubular flue gas condenser; the tubular flue gas condenser comprises a support beam, a cooling water pipe is installed on the support beam, and a fin plate is arranged on the cooling water pipe; the two-fluid atomization device comprises a support beam, a water inlet tube is installed on the support beam, and the lower part of the water inlet tube is provided with a plurality of nozzles. Vapour in the flue gas in condensed into dew through the condenser, the vapour is coagulated with dust as a condensation nucleus, and is coagulated with fogdrop in an atomization area into large particle liquid drop, and finally the large particle liquid drop is removed by the rear demister, so as to achieve the purpose of improving the efficiency of dust removal.
Description
Technical field
The present invention relates to the fume dust remover in a kind of desulfurizing tower, it is specifically related to a kind of desulfurizing tower spray congealing dedusting
Device, is applied to wet process of FGD（WFGD）In system, belong to the technical field of flue gas desulfurization process.
Background technology
The absorption tower of conventional wet desulfurization is for SO2There is very high removal efficiency, and there is certain dust collection capacity, generally inhale
Receive tower efficiency of dust collection 50% about, when desulfurizing tower Inlet dust concentration is in 20mg/Nm3When above, the efficiency of dust collection on absorption tower
The requirement of minimum discharge cannot be met.Therefore in the urgent need to lifting the dust collection capacity on absorption tower, therefore the present invention is proposed.
Content of the invention
For overcoming the not enough problem of existing absorption tower efficiency of dust collection, the invention provides a kind of more scientific and reasonable spray
Mist, condensing dust remover, it passes through condensing units and the water vapor condensation in flue gas condenses, and vapor is cold for the nuclei of condensation with dust
Solidifying, and become bulky grain drop with range of atomization droplet coalescence, finally got rid of by demister below, thus realizing improving dedusting effect
The purpose of rate.
For achieving the above object, the present invention is achieved by the following technical solutions：
A kind of desulfurizing tower spray congealing dust arrester, including the tubular type flue gas condensing being arranged on after one-level ridge type demister
Device, is provided with twin device after described tubular type flue gas condenser；Described tubular type flue gas condenser includes support beam,
Cooling water pipe is provided with described support beam, described cooling water pipe is provided with fin；Described twin device bag
Include support beam, described support beam is provided with water inlet pipe, the lower section of described water inlet pipe is provided with several nozzles.
The all at least resistance to 20000ppmCl of described cooling water pipe, fin, water inlet pipe and nozzle-Corrosion.
Described fin is square laminated structure, and is welded on cooling water pipe.
Described support beam serves as a contrast glass flake for carbon steel, is rectangular beam structures
Described nozzle is two-fluid spray nozzle, and atomizing particle size is 40 μm.
During use, the top of described twin device is provided with two grades of demisters, and the top of described two grades of demisters sets
There is three-level demister, if the lower section of described one-level ridge type demister is dried layer spraying layer, the lower section of described spraying layer is to absorb
Tower stock tank.
Beneficial effects of the present invention are as follows：
The desulfurizing tower spray congealing dust arrester of the present invention, when saturated flue gas enter tubular type flue gas condenser, the water in flue gas steams
Gas condensation and dewfall, vapor is condensed with dust for the nuclei of condensation, and after dust surface sweating, its surface wettability is significantly increased, and dust
The wellability on surface is conducive to improve the efficiency that inertial collision removes chalk dust removing；Twin device is in tubular type flue gas condenser
Form a range of atomization afterwards, the drop of atomization is combined with dust, is removed by demister below, thus reaching raising efficiency of dust collection
Purpose.
Brief description
Fig. 1 is the schematic view of the mounting position of the present invention；
Fig. 2 is tubular type flue gas condenser planar structure schematic diagram；
Fig. 3 is tubular type flue gas condenser facade structures schematic diagram；
Fig. 4 is twin device planar structure schematic diagram；
Fig. 5 is twin device facade structures schematic diagram；
In figure, 1 is cooling water pipe, 2 is fin, 3 is support beam, 4 is water inlet pipe, 5 is nozzle.
Specific embodiment
With reference to specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
As Figure 1-5, the desulfurizing tower spray congealing dust arrester of the present invention, including being arranged on one-level ridge type demister
Tubular type flue gas condenser afterwards, is provided with twin device after tubular type flue gas condenser；During use, twin
The top of device is provided with two grades of demisters, and the top of two grades of demisters is provided with three-level demister, under one-level ridge type demister
Side is several spraying layers, and the lower section of spraying layer is absorption tower stock tank.
Arrange further：
Tubular type flue gas condenser in the present invention includes support beam 3, support beam 3 is provided with cooling water pipe 1, on cooling water pipe 1
It is provided with fin 2；Twin device includes support beam 3, and support beam 3 is provided with water inlet pipe 4, and the lower section of water inlet pipe 4 is provided with
Several nozzles 5.
Further arrange：
Cooling water pipe 1 material is 1.4529 or waits same material, at least resistance to 20000ppmCl-Corrosion.It is arranged in support beam 3, cold
But water pipe is provided with cooling fins 2, can increase heat-transfer effect.
Fin 2 material is 1.4529 or waits same material, at least resistance to 20000ppmCl-Corrosion, square laminated structure, it is welded on
On cooling water pipe 1.
Support beam 3 material serves as a contrast glass flake for carbon steel, is rectangular beam structures, for tubular type gas cooler and two-fluid mist
The support of gasifying device.
Water inlet pipe 4 material is 1.4529 or waits same material, at least resistance to 20000ppmCl-Corrosion, is arranged in support beam 3,
Arranged beneath nozzle 5.
Nozzle 5 material is 1.4529 or waits same material, at least resistance to 20000ppmCl-Corrosion, using two-fluid spray nozzle, is atomized
40 μm of particle diameter.Nozzle 5 is evenly arranged on absorption tower section it is ensured that atomized drop covers whole absorption tower section.
Cooling water pipe 1, fin 2, support beam 3, water inlet pipe 4 and nozzle 5 be arranged in absorption tower one-level demister and two grades remove
Between day with fog.
During work, saturated flue gas are lowered the temperature after tubular type gas cooler, and vapor is condensed with dust for the nuclei of condensation, and and mist
Change area's droplet coalescence and become bulky grain drop, finally got rid of by demister below, thus realizing improving the purpose of efficiency of dust collection.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention,
All changes that using this design, the present invention is carried out with unsubstantiality, all should fall into protection scope of the present invention.
Claims (6)
1. a kind of desulfurizing tower spray congealing dust arrester it is characterised in that：After being arranged on one-level ridge type demister
Tubular type flue gas condenser, is provided with twin device after described tubular type flue gas condenser；Described tubular type flue gas condensing
Device includes support beam, and described support beam is provided with cooling water pipe, and described cooling water pipe is provided with fin；Described double fluid
Body atomising device includes support beam, and described support beam is provided with water inlet pipe, and the lower section of described water inlet pipe is provided with several sprays
Mouth.
2. desulfurizing tower spray congealing dust arrester as claimed in claim 1 it is characterised in that：Described cooling water pipe, fin, enter
Water pipe and all at least resistance to 20000ppmCl of nozzle-Corrosion.
3. desulfurizing tower spray congealing dust arrester as claimed in claim 1 it is characterised in that：Described fin is square lamellar knot
Structure, and be welded on cooling water pipe.
4. desulfurizing tower spray congealing dust arrester as claimed in claim 1 it is characterised in that：Described support beam serves as a contrast glass for carbon steel
Glass scale, is rectangular beam structures.
5. desulfurizing tower spray congealing dust arrester as claimed in claim 1 it is characterised in that：Described nozzle sprays for two-fluid
Mouth, atomizing particle size is 40 μm.
6. desulfurizing tower spray congealing dust arrester as claimed in claim 1 it is characterised in that：During use, described two-fluid mist
The top of gasifying device is provided with two grades of demisters, and the top of described two grades of demisters is provided with three-level demister, described one-level ridge type
The lower section of demister is several spraying layers, and the lower section of described spraying layer is absorption tower stock tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782487.2A CN106422737A (en) | 2016-08-31 | 2016-08-31 | Spray condensing and dust removing device for desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782487.2A CN106422737A (en) | 2016-08-31 | 2016-08-31 | Spray condensing and dust removing device for desulfurization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106422737A true CN106422737A (en) | 2017-02-22 |
Family
ID=58090428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782487.2A Pending CN106422737A (en) | 2016-08-31 | 2016-08-31 | Spray condensing and dust removing device for desulfurization tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106422737A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799109A (en) * | 2017-03-20 | 2017-06-06 | 林建新 | A kind of high-efficiency energy-saving dust-removing equipment |
| CN108201706A (en) * | 2018-03-14 | 2018-06-26 | 重庆东钛化工有限公司 | The heat-engine plant desulfurized tower water cooling coagulating type demister circulatory system |
| CN108380033A (en) * | 2018-04-25 | 2018-08-10 | 福建鑫泽环保设备工程有限公司 | Flue gas desulfurization condensation dedusting takes off white integral system and its application method |
| CN108434911A (en) * | 2018-04-09 | 2018-08-24 | 李博 | Condensing type highly effective dedusting demister |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2461547A (en) * | 2008-07-02 | 2010-01-06 | Nebb Technology As | Two-phase condenser |
| CN205391952U (en) * | 2016-02-29 | 2016-07-27 | 牛信伟 | High -efficient dust removal defogging device of HCPM condensing |
| CN206082143U (en) * | 2016-08-31 | 2017-04-12 | 浙江德创环保科技股份有限公司 | Desulfurizing tower spray congealing dust collector |
-
2016
- 2016-08-31 CN CN201610782487.2A patent/CN106422737A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2461547A (en) * | 2008-07-02 | 2010-01-06 | Nebb Technology As | Two-phase condenser |
| CN205391952U (en) * | 2016-02-29 | 2016-07-27 | 牛信伟 | High -efficient dust removal defogging device of HCPM condensing |
| CN206082143U (en) * | 2016-08-31 | 2017-04-12 | 浙江德创环保科技股份有限公司 | Desulfurizing tower spray congealing dust collector |
Non-Patent Citations (1)
| Title |
|---|
| 陶文铨主编: "《传热学基础》", 31 October 1981, 电力工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799109A (en) * | 2017-03-20 | 2017-06-06 | 林建新 | A kind of high-efficiency energy-saving dust-removing equipment |
| CN108201706A (en) * | 2018-03-14 | 2018-06-26 | 重庆东钛化工有限公司 | The heat-engine plant desulfurized tower water cooling coagulating type demister circulatory system |
| CN108434911A (en) * | 2018-04-09 | 2018-08-24 | 李博 | Condensing type highly effective dedusting demister |
| CN108380033A (en) * | 2018-04-25 | 2018-08-10 | 福建鑫泽环保设备工程有限公司 | Flue gas desulfurization condensation dedusting takes off white integral system and its application method |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170222 |