CN109499221A - Realize the cooling system of flue gas cool-down dehumidification - Google Patents
Realize the cooling system of flue gas cool-down dehumidification Download PDFInfo
- Publication number
- CN109499221A CN109499221A CN201811432603.3A CN201811432603A CN109499221A CN 109499221 A CN109499221 A CN 109499221A CN 201811432603 A CN201811432603 A CN 201811432603A CN 109499221 A CN109499221 A CN 109499221A
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- CN
- China
- Prior art keywords
- absorption tower
- flue gas
- heat exchanger
- collection pipe
- water collection
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/04—Regenerating the washing fluid
-
- 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 present invention provides the cooling system for realizing flue gas cool-down dehumidification, including absorption tower, dedusting water collection pipe, flocculation tanks, heat exchanger, spray tube, filler conduction-type heat transfer plate, collecting tank and fixed block, the dedusting water collection pipe is arranged on the right side of absorption tower, the flocculation tanks are arranged in dedusting water collection pipe, and it is connected by connecting tube with dedusting water collection pipe, the heat exchanger is arranged on the right side of absorption tower, the dedusting water collection pipe is connected by connecting tube with heat exchanger, the spray tube is arranged in absorption tower internal upper part, the spray tube is connected by connecting tube with heat exchanger, the filler conduction-type heat transfer plate is fixed on middle part in absorption tower, the collecting tank is fixed on lower part in absorption tower by fixed block, the design forms water circulation system, achieve the purpose that flue gas cool-down dehumidification, and runtime system is not necessarily to moisturizing, economy section Water reduces use cost.
Description
Technical field
The present invention is to realize the cooling system of flue gas cool-down dehumidification, belongs to flue gas desulfurization technique field field.
Background technique
For the SO2 of one of important pollutant contained in coal-fired plant flue gas, China mainly uses lime stone-gypsum
Wet Flue Gas Desulfurization Technique is removed, which has the characteristics that mature and reliable, desulfuration efficiency are high, coal adaptive faculty is strong.
Temperature has reached wet saturation state at 50 ~ 55 DEG C when flue gas exports after desulphurization system to desulfurizing tower, and compared with
Low flue-gas temperature makes that atmosphere hoist height is lower, diffusivity is poor, some of them have little time diffusion, evaporation drop just
Around dropping to, formed " gypsum rain ".In order to solve this problem, it is mainly the following approach:
The first kind is to heat flue gas, improves exhaust gas temperature, such as GGH of early stage setting, after minimum discharge is transformed, major part is
It removes, is substituted by MGGH；
Second class is to reduce the water capacity of smoke evacuation, and one kind is by direct spraying cooling, and such as slurries cooling technology, utilization is after cooling
Loop slurry carries out cool-down dehumidification to saturated flue gas, makes the reduction of absorption tower exit gas temperature, reduces humidity of flue gas；Second
It is such as to use teflon heat exchanger by heat exchanger indirect heat exchange, pass through cooling water circulating cooling.
Third class is to be combined above two technology, first cool-down dehumidification, then is heated, and be can achieve so more preferable
The white plume of elimination effect.
But it needs largely to supplement water in actual use, and condensed water can not be recycled, increase use cost, so
The cooling system of flue gas cool-down dehumidification is realized to solve the above-mentioned problem.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide the cooling system for realizing flue gas cool-down dehumidification, with
The problems mentioned above in the background art are solved, the present invention is easy to use, reduces wet desulphurization water consume, and system is simple, runs
Economic low, energy-saving and emission-reduction.
To achieve the goals above, the present invention is to realize by the following technical solutions: realizing flue gas cool-down dehumidification
Cooling system, including absorption tower, dedusting water collection pipe, flocculation tanks, heat exchanger, spray tube, filler conduction-type heat transfer plate, collecting tank
And fixed block, the dedusting water collection pipe are arranged on the right side of absorption tower, the flocculation tanks are arranged in dedusting water collection pipe, and logical
It crosses connecting tube to be connected with dedusting water collection pipe, the heat exchanger is arranged on the right side of absorption tower, and the dedusting water collection pipe passes through
Connecting tube is connected with heat exchanger, and in absorption tower internal upper part, the spray tube passes through connecting tube and heat exchange for the spray tube setting
Device is connected, and the filler conduction-type heat transfer plate is fixed on middle part, the collecting tank in absorption tower and is fixed on suction by fixed block
Receive lower part in tower.
In one embodiment, the collecting tank and fixed block are integrally formed, and the collecting tank upper end is fixedly connected with conduit, institute
It states conduit upper end and curved baffle is welded and fixed.
In one embodiment, the fixed outlet pipe of the collecting tank right end, the outlet pipe right end pass through absorption tower and dedusting
Water collection pipe is connected.
In one embodiment, the absorption tower upper end opens up smoke outlet, and the absorption tower lower end opens up smoke inlet, described to change
Hot device uses water water plate heat exchanger.
In one embodiment, spray tube annular side lower end fixes three groups with upper nozzle, and the filler conduction-type passes
Hot plate is made of 2205 stainless steels, and internal using macrovoid anticorrosive packing.
Beneficial effects of the present invention: the cooling system of realization flue gas cool-down dehumidification of the invention, because being added to absorption tower, removing
Dirt water collection pipe, flocculation tanks, heat exchanger, spray tube, filler conduction-type heat transfer plate, collecting tank and fixed block, design composition
Water circulation system, achievees the purpose that flue gas cool-down dehumidification, and runtime system is not necessarily to moisturizing, economical water-saving, reduce use at
This, solves and needs largely to supplement water in actual use, and can not recycle to condensed water, increase asking for use cost
Topic.
Because being added to conduit, the design is convenient for flue gas circulation, and by being added to curved baffle, which avoids cooling water logical
It crosses conduit to flow down, the present invention is easy to use, reduces wet desulphurization water consume, system is simple, economical operation is low, energy-saving and emission-reduction.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram for the cooling system that the present invention realizes flue gas cool-down dehumidification；
In figure: the absorption tower 1-, 2- dedusting water collection pipe, 3- flocculation tanks, 4- heat exchanger, 5- spray tube, the heat transfer of 6- filler conduction-type
Plate, 7- collecting tank, 8- fixed block, 9- conduit, 10- curved baffle.
Specific embodiment
Before describing the embodiments in more detail, it should be understood that the present invention is not limited to institutes hereafter or in attached drawing in the application
The detailed construction or arrangement of elements of description.The embodiment that the present invention can realize for other way.Furthermore, it is to be understood that this paper institute
The wording and term used is solely for description purposes, should not be interpreted in a limited way."include", "comprise" used herein,
The similar wording such as " having " is meant comprising items listed thereafter, its equivalent and other additional things.In particular, when description
When " certain element ", it also may include multiple that the present invention, which does not limit the quantity of the element as one,.
Referring to Fig. 1, the present invention provides a kind of technical solution: realizing the cooling system of flue gas cool-down dehumidification, including absorb
Tower 1, dedusting water collection pipe 2, flocculation tanks 3, heat exchanger 4, spray tube 5, filler conduction-type heat transfer plate 6, collecting tank 7 and fixed block
8,1 right side of absorption tower is arranged in dedusting water collection pipe 2, and flocculation tanks 3 are arranged in dedusting water collection pipe 2, and pass through connecting tube and dedusting
Water collection pipe 2 is connected, and the setting of heat exchanger 4 is connected by connecting tube with heat exchanger 4 in 1 right side of absorption tower, dedusting water collection pipe 2
It connects, the setting of spray tube 5 is connected by connecting tube with heat exchanger 4 in 1 internal upper part of absorption tower, spray tube 5, the heat transfer of filler conduction-type
Plate 6 is fixed on middle part in absorption tower 1, and collecting tank 7 is fixed on lower part in absorption tower 1 by fixed block 8, and saturation wet flue gas is from into cigarette
Mouthful in enter absorption tower 1 in, and out of conduit 9 it is bottom-up pass through collecting tank 7, while spray head spray cooling water, to flue gas into
Row cooling, is used to reinforce the heat exchange of recirculated cooling water and flue gas by filler conduction-type heat transfer plate 6, improves system flue gas cool-down and subtracts
Wet ability, last cooling water are fallen in collecting tank 7, and are entered in water in dust removal collecting pipe 2, and cooling water is changed by heat exchanger 4
Then heat is again introduced into spray tube 5, is recycled, power plant cools down to circulating water close to seashore, using seawater,
Condensed water extra in dedusting water collection pipe 2 is drained into flocculation tanks 3, after flocculating setting is handled, is sent to power plant's industrial water tank,
Not only it can reach the effect preferably to remove smoke, but also flue gas condensing water can be recycled, moisturizing when this system removes starting with water, fortune
Additional moisturizing is not necessarily to during row, whole system economy is water-saving.
Collecting tank 7 and fixed block 8 are integrally formed, and 7 upper end of collecting tank is fixedly connected with conduit 9, and arc is welded and fixed in 9 upper end of conduit
Shape baffle 10, collecting tank 7 and fixed block 8 are integrally formed, and overall dimensions are relatively small, save the cost, by conduit 9, are convenient for cigarette
Air-flow is logical, by curved baffle 10, liquid is avoided to flow down by conduit 9.
7 right end of collecting tank fixes outlet pipe, and outlet pipe right end passes through absorption tower 1 and is connected with dedusting water collection pipe 2, is convenient for
Collect condensed water in flue gas.
1 upper end of absorption tower opens up smoke outlet, and 1 lower end of absorption tower opens up smoke inlet, is convenient for flue gas inlet and outlet, heat exchanger
4 use water water plate heat exchanger.
5 annular side lower end of spray tube fixes three groups with upper nozzle, and filler conduction-type heat transfer plate 6 uses 2205 stainless steels
At, and it is internal using macrovoid anticorrosive packing, by spray head, convenient for being sprayed to flue gas, by 6 cloth of filler conduction-type heat transfer plate
It is placed in absorption tower 1, improves the flue gas cool-down dehumidifying capacity of the cooling system of flue gas cool-down dehumidification.
Concepts described herein may be embodied to other forms without departing from its spirit and characteristics.It is disclosed
The specific embodiments are to be considered as illustrative and not restrictive.Therefore, the scope of the present invention be by the attached claims,
Instead of making decisions based on these previous descriptions.Any change within the literal meaning and equivalent scope of the claims is all
It should belong to these the scope of the claims.
Claims (5)
1. realizing the cooling system of flue gas cool-down dehumidification, including absorption tower, dedusting water collection pipe, flocculation tanks, heat exchanger, spray
Pipe, filler conduction-type heat transfer plate, collecting tank and fixed block, it is characterised in that: the dedusting water collection pipe is arranged on absorption tower
Right side, the flocculation tanks setting are connected in dedusting water collection pipe, and by connecting tube with dedusting water collection pipe, the heat exchanger
It is arranged on the right side of absorption tower, the dedusting water collection pipe is connected by connecting tube with heat exchanger, and the spray tube setting is being inhaled
Tower internal upper part is received, the spray tube is connected by connecting tube with heat exchanger, and the filler conduction-type heat transfer plate is fixed on absorption
Middle part, the collecting tank are fixed on lower part in absorption tower by fixed block in tower.
2. the cooling system according to claim 1 for realizing flue gas cool-down dehumidification, it is characterised in that: the collecting tank and solid
Determine block integrated molding, the collecting tank upper end is fixedly connected with conduit, and curved baffle is welded and fixed in the conduit upper end.
3. the cooling system according to claim 1 for realizing flue gas cool-down dehumidification, it is characterised in that: the collecting tank right end
Fixed outlet pipe, the outlet pipe right end pass through absorption tower and are connected with dedusting water collection pipe.
4. the cooling system according to claim 1 for realizing flue gas cool-down dehumidification, it is characterised in that: the absorption tower upper end
Smoke outlet is opened up, the absorption tower lower end opens up smoke inlet, and the heat exchanger uses water water plate heat exchanger.
5. the cooling system according to claim 1 for realizing flue gas cool-down dehumidification, it is characterised in that: the spray tube annular
Side lower end fixes three groups with upper nozzle, and the filler conduction-type heat transfer plate is made of 2205 stainless steels, and internal using big
Hole anticorrosive packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432603.3A CN109499221A (en) | 2018-11-28 | 2018-11-28 | Realize the cooling system of flue gas cool-down dehumidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811432603.3A CN109499221A (en) | 2018-11-28 | 2018-11-28 | Realize the cooling system of flue gas cool-down dehumidification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109499221A true CN109499221A (en) | 2019-03-22 |
Family
ID=65750961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811432603.3A Pending CN109499221A (en) | 2018-11-28 | 2018-11-28 | Realize the cooling system of flue gas cool-down dehumidification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109499221A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205659543U (en) * | 2016-06-01 | 2016-10-26 | 山东中新环境工程有限公司 | Novel pallet means in two circulating absorption tower of single tower |
| CN107185329A (en) * | 2017-07-24 | 2017-09-22 | 北京国电龙源环保工程有限公司 | A kind of high-effective dust-removing and device for reclaiming moisture |
-
2018
- 2018-11-28 CN CN201811432603.3A patent/CN109499221A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205659543U (en) * | 2016-06-01 | 2016-10-26 | 山东中新环境工程有限公司 | Novel pallet means in two circulating absorption tower of single tower |
| CN107185329A (en) * | 2017-07-24 | 2017-09-22 | 北京国电龙源环保工程有限公司 | A kind of high-effective dust-removing and device for reclaiming moisture |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 100039, room 9, floor 1, building 16, No. 901 West Fourth Ring Road, Beijing, Haidian District Applicant after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039, room 1, building 16, No. 911 West Fourth Ring Road, Beijing, Haidian District Applicant before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |