CN209406043U - The system of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower - Google Patents
The system of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower Download PDFInfo
- Publication number
- CN209406043U CN209406043U CN201821807276.0U CN201821807276U CN209406043U CN 209406043 U CN209406043 U CN 209406043U CN 201821807276 U CN201821807276 U CN 201821807276U CN 209406043 U CN209406043 U CN 209406043U
- Authority
- CN
- China
- Prior art keywords
- liquid
- tube bundle
- exchanging tube
- slurry pool
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a kind of systems of Multi-stage cooling cooperation-removal multiple pollutant in tower, belong to industrial waste gas purifying environmental protection and energy field.For the demand for control currently for condensable particulate matter and fine particle in flue gas, improvement is designed on widely applied Limestone-gypsum Wet Flue Gas Desulfurization Process Process ba- sis.The utility model is by below demister and solution-air and liquid-liquid heat-exchanging tube bundle being respectively set in the middle part of stock tank in wet desulfuration tower, fractional condensaion cooling of the flue gas in tower is realized using external cold source, to realize the cooperation-removal and SO of condensable particulate matter and fine particle simultaneously2The promotion of removal efficiency has many advantages, such as that system is simple, improvement project amount is small, saves floor occupying area, and application prospect is extensive.
Description
Technical field
The utility model relates to a kind of systems of Multi-stage cooling cooperation-removal multiple pollutant in tower, and it is net to belong to industrial waste gas
Change environmental protection and energy field.
Background technique
Energy resource structure of the China based on coal will not change within the long duration, therefore, control coal-fired flue-gas pollutant
Discharge is an important process of China's control atmosphere pollution.The situation of flue gas minimum discharge is pushed forward comprehensively in current coal-burning power plant
Under, it further controls condensable particulate matter in flue gas and also increasingly brings into schedule.Simultaneously coal-burning power plant's environmental protection the operation pressure increasingly
Under the tale quale of increase, the effective of condensable particulate matter is realized in the cooperation-removal effect for how giving full play to existing environmental protection facility
Control, becomes the important research direction of purifying coal-fired flue gas technical field.
The most widely used flue gas desulfurization technique in current coal-burning power plant is Limestone-gypsum Wet Flue Gas Desulfurization Process technology, such as can
Local improvement is done in this technical foundation, realizes the efficient removal of condensable particulate matter and fine particle, then for protection
Environment is of great significance.
Patent relevant to the utility model, such as 107676805 A of CN --- " a kind of efficiently water intaking eliminating white smoke collaboration is de-
Depollution object device and its working method ", it is the setting flue gas deep temperature reduction device after wet desulfuration tower, realizes the association of pollutant
With removing.But due to needing that smoke heat replacing device is separately provided, there are occupied area and investment are larger, and operating cost is higher
Problem.
For another example 104879764 B of CN --- " device and method that depth waste heat recycles pollutant in cooperation-removal flue gas ",
It is to utilize electrostatic precipitator and wet desulphurization by the way that smoke temperature reducer is respectively set before electrostatic precipitator and wet desulfuration tower
Pollutant in tower cooperation-removal flue gas.But the method also needs that smoke heat replacing device is separately provided, and there are occupied area and throwings
Provide larger, and smoke temperature reduces limited extent and the inefficient problem of condensable particulate matter removing.
Utility model content
The purpose of this utility model is that for the control currently for condensable particulate matter and fine particle in flue gas
Demand proposes that Multi-stage cooling cooperation-removal is more in a kind of tower on widely applied Limestone-gypsum Wet Flue Gas Desulfurization Process Process ba- sis
The system of kind pollutant.
The technical scheme in the invention for solving the above technical problem is: Multi-stage cooling cooperation-removal is a variety of in a kind of tower
The system of pollutant, including wet desulphurization absorption tower are provided with air inlet and exhaust outlet on the wet desulphurization absorption tower, special
Sign is, area, slurry pool lower layer, liquid-liquid heat-exchanging tube bundle, slurry pool top regions, lime are provided in the wet desulphurization absorption tower
Stone slurries spraying layer, solution-air heat-exchanging tube bundle and high efficiency demister；Area, the slurry pool lower layer and slurry pool top regions are adjacently positioned
In the bottom of wet desulphurization absorption tower, and slurry pool top regions are located at the top in area, slurry pool lower layer, area, the slurry pool lower layer
Liquid-liquid heat-exchanging tube bundle, the liquid-liquid heat-exchanging tube bundle and area, slurry pool lower layer and slurry pool are provided between slurry pool top regions
Top regions contact；The top of slurry pool top regions, and lime stone slurry spraying layer is arranged in the lime stone slurry spraying layer
With area, slurry pool lower layer by pipeline connection, the air inlet setting slurry pool top regions and lime stone slurry spraying layer it
Between；The top of lime stone slurry spraying layer is arranged in the solution-air heat-exchanging tube bundle, and solution-air heat-exchanging tube bundle passes through pipeline and liquid-
The connection of liquid heat-exchanging tube bundle；The top of solution-air heat-exchanging tube bundle is arranged in the high efficiency demister, and the exhaust outlet setting is efficiently removing
The top of day with fog.
More specifically, the water outlet of the solution-air heat-exchanging tube bundle is connected by the water inlet of pipeline and liquid-liquid heat-exchanging tube bundle
It is logical.
The working method of the system of Multi-stage cooling cooperation-removal multiple pollutant is as follows in above-mentioned tower: flue gas passes through air inlet
After mouth enters wet desulphurization absorption tower, first passes through lime stone slurry spraying layer and carry out SO2Removing, removing SO2While realize
Then first order cooling realizes second level cooling by solution-air heat-exchanging tube bundle, carry later by high efficiency demister removing flue gas
Droplet and condensation reunite after fine particle and condensable particulate matter, eventually by exhaust outlet from wet desulphurization absorption tower
Discharge.
Heat transferring medium inside liquid-liquid heat-exchanging tube bundle and solution-air heat-exchanging tube bundle is water, and water source can be adopted according to external condition
Use open circulation；Closed cycle can also be used, is recycled after mechanical-draft cooling tower is cooling.
The solution-air heat-exchanging tube bundle that heat exchange condensed water is introduced into top realizes the deep temperature reduction of flue gas, from solution-air heat-exchanging tube bundle
The liquid-liquid heat-exchanging tube bundle that heat exchange condensed water out enters back into lower part realizes the cooling of slurries.
The PH of slurries is lower in slurry pool top regions, has and utilizes oxidizing and crystallizing；The PH higher of slurries in area, slurry pool lower layer,
Have and utilizes absorption SO2, the SO of wet desulphurization absorption tower can be effectively improved2Removal efficiency.
In actual provision application, the entrance flue gas temperature according to corresponding to project, flue gas flow, entrance condensate temperature
And the boundary conditions such as required exit gas temperature, calculate the outlet parameters such as condensate temperature and condensate flow.
The utility model compared with prior art, has the following advantages that and effect: can be achieved at the same time condensable particulate matter with
The cooperation-removal and SO of fine particle2The promotion of removal efficiency, with system is simple, improvement project amount is small, saves land occupation
The advantages that area, application prospect are extensive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
In figure: 1, area, slurry pool lower layer, 2, liquid-liquid heat-exchanging tube bundle, 3, slurry pool top regions, 4, lime stone slurry spray
Layer, 5, solution-air heat-exchanging tube bundle, 6, high efficiency demister, 7, wet desulphurization absorption tower, 8, air inlet, 9, exhaust outlet.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
Referring to Fig. 1, the system of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower, including wet desulphurization absorption tower 7,
Air inlet 8 and exhaust outlet 9 are provided on wet desulphurization absorption tower 7, which is characterized in that slurry is provided in wet desulphurization absorption tower 7
Area, liquid pool lower layer 1, liquid-liquid heat-exchanging tube bundle 2, slurry pool top regions 3, lime stone slurry spraying layer 4, solution-air heat-exchanging tube bundle 5 and height
Imitate demister 6；Area, slurry pool lower layer 1 and slurry pool top regions 3 are arranged adjacent each other at the bottom of wet desulphurization absorption tower 7, and slurries
Pond top regions 3 are located at the top in area, slurry pool lower layer 1, are provided with liquid-liquid between area, slurry pool lower layer 1 and slurry pool top regions 3
Heat-exchanging tube bundle 2, liquid-liquid heat-exchanging tube bundle 2 are contacted with area, slurry pool lower layer 1 and slurry pool top regions 3；Lime stone slurry spraying layer
4 are arranged in the top of slurry pool top regions 3, and lime stone slurry spraying layer 4 and area, slurry pool lower layer 1 pass through pipeline connection, into
Port 8 is arranged between slurry pool top regions 3 and lime stone slurry spraying layer 4；Solution-air heat-exchanging tube bundle 5 is arranged in limestone slurry
The top of liquid spraying layer 4, and the water outlet of solution-air heat-exchanging tube bundle 5 is connected to by pipeline with the water inlet of liquid-liquid heat-exchanging tube bundle 2；
The top of solution-air heat-exchanging tube bundle 5 is arranged in high efficiency demister 6, and the top of high efficiency demister 6 is arranged in exhaust outlet 9.
The working method of the system of Multi-stage cooling cooperation-removal multiple pollutant is as follows in above-mentioned tower: flue gas passes through air inlet
After mouth 8 enters wet desulphurization absorption tower 7, first passes through lime stone slurry spraying layer 4 and carry out SO2Removing, removing SO2While
Then realization first order cooling realizes second level cooling by solution-air heat-exchanging tube bundle 5, the hydrogenesis in flue gas, in flue gas
Condensable particulate matter is synchronous to be precipitated and is dissolved in condensation drop, and the fine particle in flue gas is rolled into a ball using condensing drop as core
Fusion is bulky grain, later the fine particle after high efficiency demister 6 removes the droplet that flue gas carries and condensation is reunited
With condensable particulate matter, it is discharged eventually by exhaust outlet 9 from wet desulphurization absorption tower 7.
The solution-air heat-exchanging tube bundle 5 that heat exchange condensed water is introduced into top realizes the deep temperature reduction of flue gas, from solution-air heat exchanger tube
The liquid-liquid heat-exchanging tube bundle 2 that the heat exchange condensed water that beam comes out enters back into lower part realizes the cooling of slurries, is then discharged out.Liquid-liquid heat exchange
Heat exchange condensed water water source inside tube bank 2 and solution-air heat-exchanging tube bundle 5 can use open circulation according to external condition；It can also be with
Using closed cycle, it is recycled after mechanical-draft cooling tower is cooling.
The PH of slurries is lower in slurry pool top regions 3, has and utilizes oxidizing and crystallizing；In area, slurry pool lower layer 1 PH of slurries compared with
Height has and utilizes absorption SO2, the SO of wet desulphurization absorption tower 7 can be effectively improved2Removal efficiency.
According to the side of entrance flue gas temperature, flue gas flow, entrance condensate temperature and required exit gas temperature
Boundary's condition calculates outlet condensate temperature and condensate flow parameter.
Although the utility model is disclosed as above with embodiment, its protection scope being not intended to limit the utility model,
Any technical staff for being familiar with this technology, it is made in the conception and scope for not departing from the utility model to change and retouch,
It all should belong to the protection range of the utility model.
Claims (2)
1. the system of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower, including wet desulphurization absorption tower, the wet process is de-
Sulphur is provided with air inlet and exhaust outlet on absorption tower, which is characterized in that is provided under slurry pool in the wet desulphurization absorption tower
Floor area, liquid-liquid heat-exchanging tube bundle, slurry pool top regions, lime stone slurry spraying layer, solution-air heat-exchanging tube bundle and high efficiency demister；Institute
It states area, slurry pool lower layer and slurry pool top regions and is arranged adjacent each other at the bottom of wet desulphurization absorption tower, and slurry pool top regions are located at
The top in area, slurry pool lower layer is provided with liquid-liquid heat-exchanging tube bundle between area, the slurry pool lower layer and slurry pool top regions, described
Liquid-liquid heat-exchanging tube bundle is contacted with area, slurry pool lower layer and slurry pool top regions；The lime stone slurry spraying layer setting is being starched
The top of liquid pool top regions, and lime stone slurry spraying layer and area, slurry pool lower layer pass through pipeline connection, the air inlet setting
Between slurry pool top regions and lime stone slurry spraying layer；The solution-air heat-exchanging tube bundle is arranged in lime stone slurry spraying layer
Top, and solution-air heat-exchanging tube bundle is connected to by pipeline with liquid-liquid heat-exchanging tube bundle；The high efficiency demister setting is changed in solution-air
The top of high efficiency demister is arranged in the top of heat pipe bundle, the exhaust outlet.
2. the system of Multi-stage cooling cooperation-removal multiple pollutant in tower according to claim 1, which is characterized in that described
The water outlet of solution-air heat-exchanging tube bundle is connected to by pipeline with the water inlet of liquid-liquid heat-exchanging tube bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821807276.0U CN209406043U (en) | 2018-11-05 | 2018-11-05 | The system of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821807276.0U CN209406043U (en) | 2018-11-05 | 2018-11-05 | The system of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209406043U true CN209406043U (en) | 2019-09-20 |
Family
ID=67933438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821807276.0U Active CN209406043U (en) | 2018-11-05 | 2018-11-05 | The system of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209406043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381989A (en) * | 2018-11-05 | 2019-02-26 | 华电电力科学研究院有限公司 | The system and its working method of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower |
| CN111720848A (en) * | 2020-07-13 | 2020-09-29 | 西安热工研究院有限公司 | System for reducing temperature of smoke at outlet of wet desulphurization absorption tower |
-
2018
- 2018-11-05 CN CN201821807276.0U patent/CN209406043U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381989A (en) * | 2018-11-05 | 2019-02-26 | 华电电力科学研究院有限公司 | The system and its working method of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower |
| CN111720848A (en) * | 2020-07-13 | 2020-09-29 | 西安热工研究院有限公司 | System for reducing temperature of smoke at outlet of wet desulphurization absorption tower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107321124B (en) | Energy-saving, dust-removing, efficiency-enhancing, cooperative and intelligent regulation and control whitening system and method for coal-fired power plant | |
| CN204923035U (en) | Processing system is synthesized to coal fired boiler's flue gas | |
| CN204543996U (en) | Coal-fired plant flue gas multi-pollutant deep purifying controls coupled system | |
| CN103861438A (en) | System and method for deeply removing sulfur oxides in coal-fired flue gas | |
| CN109381989A (en) | The system and its working method of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower | |
| CN107777820A (en) | The technique that Air-Cooling Island exhaust steam residual heat is used for Waste Water From Fire Power Plant zero discharge treatment | |
| CN103657367B (en) | The desulfurization of a kind of list tower calcium method turns device and the technique of the double-tower type ammonia process of desulfurization | |
| CN209406043U (en) | The system of Multi-stage cooling cooperation-removal multiple pollutant in a kind of tower | |
| CN110207143A (en) | Flue gas condensing takes off white system and its control method | |
| CN207856557U (en) | Efficient desulfurizing and dust collecting integrated complex absorption tower | |
| CN204952337U (en) | Wet flue gas desulfurization heat pipe formula heat transfer defogging device | |
| CN205517263U (en) | Flue gas heat exchange energy conservation SOx/NOx control device | |
| CN105233657A (en) | Flue gas desulphurization and dedusting advanced treatment technology and apparatus thereof | |
| CN208229598U (en) | A kind of wet desulphurization takes off white and residual neat recovering system with flue gas | |
| CN107684817A (en) | A kind of flue gas desulfurization process system | |
| CN201389423Y (en) | Flue gas desulphurization dust removing tower for coal burning boiler | |
| CN206715647U (en) | A kind of desulphurization denitration dust removal integrated plant | |
| CN109482035A (en) | A kind of desulfurization fume multi-stage condensing system | |
| CN211084113U (en) | Energy-saving and water-saving smoke white-eliminating system | |
| CN107420927A (en) | A kind of fire coal boiler fume high-efficient purification and UTILIZATION OF VESIDUAL HEAT IN technique | |
| CN208320385U (en) | A kind of elimination white cigarette device for wet fuel gas desulfurizing technology | |
| CN206108958U (en) | Desulphurization waste water treatment system | |
| CN207035182U (en) | A kind of steam power plant's gas cleaning and heat energy utilization system | |
| CN110755976A (en) | Flue gas rain-eliminating, deicing and color-reducing process and device adopting feathered blade rotary jet thermal transfer technology | |
| CN205796946U (en) | Coal-fired flue-gas wet type desulfurizing denitration and the combined integrated gasifying device of dedusting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |