CN208436652U - A kind of flue gas desulfurization device for coal burning boiler - Google Patents
A kind of flue gas desulfurization device for coal burning boiler Download PDFInfo
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- CN208436652U CN208436652U CN201820579700.4U CN201820579700U CN208436652U CN 208436652 U CN208436652 U CN 208436652U CN 201820579700 U CN201820579700 U CN 201820579700U CN 208436652 U CN208436652 U CN 208436652U
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- tower
- pipe
- carbide slag
- flue gas
- oxidizing
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Abstract
The utility model discloses a kind of flue gas desulfurization devices for coal burning boiler, including oxidizing tower, absorption tower and chimney, the oxidizing tower includes oxidation tower top and oxidizing tower bottom, the oxidizing tower top side face is connected with exhaust pipe, the oxidizing tower is connected with absorption tower by exhaust pipe, tower reactor is equipped in the oxidizing tower bottom, the tower reactor side-lower is connected with calcium plaster outlet, the calcium plaster outlet is equipped with calcium plaster discharge pump, the calcium plaster exit end is connected with hydrocyclone, the tower reactor upper side is connected with circulated sprinkling pipe, and the circulated sprinkling pipe is equipped with circulating pump.The utility model is equipped with oxidizing tower and absorption tower, and different desulfurization process is carried out to the sulfur dioxide in flue gas, desulfurization effect has not only been improved but also has improved the quality of desulfuration byproduct gypsum.
Description
Technical field
The utility model relates to coal technical field of waste gas treatment more particularly to a kind of flue gas desulfurization dresses for coal burning boiler
It sets.
Background technique
Desulfurization sloughs the sulphur content in fuel and the desulfuration process before flue gas emissions before referring to burning.It is that prevention and treatment atmosphere is dirty
One of important technique measure of dye.Before sulfur method generally has a burning at present, burning neutralize after burning three kinds of desulfurization etc..With work
The development and the improvement of people's living standards of industry are also continuously increased the craving of the energy, and the sulfur dioxide in coal-fired flue-gas is
The main reason for as atmosphere pollution.It reduces sulfur dioxide pollution and has become the task of top priority that current atmospheric environment is administered.Much
Flue gas desulfurization technique is widely applied in the industry, also has important show to the improvement of all kinds of boilers and tail gas from incinerator
Sincere justice, the gypsum by-product in desulfurization can also reduce the cost of desulfurization process.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of flue gas desulfurization device for coal burning boiler with a novel purpose, the carbide slag slurry in absorption tower is made to exist
Once oxidation has been carried out again in oxidizing tower, oxidization time has been extended, has not only improved desulfuration efficiency but also improved desulfuration byproduct stone
The quality of cream.
According to a kind of flue gas desulfurization device for coal burning boiler of the utility model embodiment, including oxidizing tower, absorption tower
And chimney, the oxidizing tower include that oxidation tower top and oxidizing tower bottom, the oxidizing tower top side face are connected with exhaust pipe, the oxidizing tower
It is connected with absorption tower by exhaust pipe, calcium plaster is connected with equipped with tower reactor, the tower reactor side-lower in the oxidizing tower bottom and exports, it is described
Calcium plaster outlet is equipped with calcium plaster discharge pump, and the calcium plaster exit end is connected with hydrocyclone, the tower reactor upper side
It is connected with circulated sprinkling pipe, the circulated sprinkling pipe is equipped with circulating pump, and described circulated sprinkling pipe one end is connected with spray port, the tower
Kettle side is connected with blast pipe, and the blast pipe is equipped with oxidation fan, and the oxidizing tower side offers carbide slag slurry return
Mouthful, carbide slag slurry import is offered above the carbide slag slurry return port, is offered above the carbide slag slurry import
Smoke inlet, the smoke inlet are equipped with dust-filtering net.
In some embodiments of the utility model, the absorption tower bottom side is connected with circulation pipe, on the circulation pipe successively
Equipped with ammonium hydroxide case and drawing liquid pump, ammonia pipe one end is connected with spray port.
In other embodiments of the utility model, the absorption tower top, which is equipped with, absorbs tower top, the absorption tower top
Side is connected with pipe, is successively arranged demister and deduster on the pipe, and the pipe other end is connected with chimney.
In other embodiments of the utility model, blender, the blender and motor electricity are equipped in the tower reactor
Connection.
In other embodiments of the utility model, the carbide slag slurry return port and carbide slag slurry inlet end
In oxidizing tower, the carbide slag slurry return port and the carbide slag slurry import other end are connected with carbide slag slurries liquid case.
Beneficial effect in the utility model is: boiler smoke introduces oxidizing tower, first passes through dust-filtering net in flue gas
Dust carry out primary filtration, carbide slag slurry enters oxidizing tower, in the middle part of flue gas and carbide slag slurry counter current contacting removal flue gas
Divide sulfur dioxide, subsequently into absorption tower, again with part sulfur dioxide in ammonium hydroxide counter current contacting removal flue gas, flue gas is through demisting
Enter deduster through cleared-out smoke pipe after device dehydration and be dusted demisting, most afterwards through smoke stack emission, the design of oxidizing tower and absorption tower
Different desulfurization process is carried out to the sulfur dioxide in flue gas, the utility model has the advantages of simple structure and easy realization, and both improves desulfurization
Effect improves the quality of desulfuration byproduct gypsum again.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 be the utility model proposes a kind of flue gas desulfurization device for coal burning boiler structural schematic diagram;
Fig. 2 be the utility model proposes a kind of flue gas desulfurization device oxidizing tower for coal burning boiler structural schematic diagram;
Fig. 3 be the utility model proposes a kind of flue gas desulfurization device absorptive tower for coal burning boiler structural schematic diagram.
In figure: 1- oxidizing tower, the absorption tower 2-, 3- chimney, 101- aoxidize tower top, 102- oxidizing tower bottom, 103- tower reactor, 104-
Blender, 105- motor, 106- oxidation fan, 107- blast pipe, 108- carbide slag slurry return port, 109- carbide slag slurry
Case, the import of 110- carbide slag slurry, 111- smoke inlet, 112- spray port, the outlet of 113 calcium plasters, 114- calcium plaster discharge pump,
115- hydrocyclone, 116- circulated sprinkling pipe, 117- circulating pump, 118- exhaust pipe, 119- dust-filtering net, 21- ammonium hydroxide case,
22- circulation pipe, 23- drawing liquid pump, 24- absorb tower top, 25- pipe, 26- demister, 27- deduster.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
It is being used to explain the utility model, and should not be understood as limiting the present invention.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " being connected with ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixed with, be also possible to detachably be connected with, or integral;It can be
Machinery is connected with, and is also possible to be powered with;It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Referring to Fig.1-3, a kind of flue gas desulfurization device for coal burning boiler, including oxidizing tower 1, absorption tower 2 and chimney 3, institute
Stating oxidizing tower 1 includes that oxidation tower top 101 and oxidizing tower bottom 102,101 side of oxidation tower top are connected with exhaust pipe 118, the oxygen
Change tower 1 and absorption tower 2 is connected with by exhaust pipe 118, is equipped with tower reactor 103,103 side-lower of the tower reactor in the oxidizing tower bottom 102
It is connected with calcium plaster outlet 113, the calcium plaster outlet 113 is equipped with calcium plaster discharge pump 114, the calcium plaster outlet 113 1
End is connected with hydrocyclone 115, and 103 upper side of tower reactor is connected with circulated sprinkling pipe 116, sets in the circulated sprinkling pipe 116
There is circulating pump 117, described 116 one end of circulated sprinkling pipe is connected with spray port 112, and 103 side of tower reactor is connected with blast pipe 107,
The blast pipe 107 is equipped with oxidation fan 106, and 1 side of oxidizing tower offers carbide slag slurry return port 108, described
Carbide slag slurry import 110 is offered above carbide slag slurry return port 108, is opened up above the carbide slag slurry import 110
There is smoke inlet 111, the smoke inlet 111 is equipped with dust-filtering net 119;2 bottom side of absorption tower is connected with circulation pipe 22, described
Ammonium hydroxide case 21 and drawing liquid pump 23 are successively arranged on circulation pipe 22, ammonia pipe one end is connected with spray port 112;The absorption tower top
24 ends, which are equipped with, absorbs tower top 24, and 24 side of absorption tower top is connected with pipe 25, is successively arranged demisting on the pipe 25
Device 26 and deduster 27,25 other end of pipe are connected with chimney 3;Blender 104 is equipped in the tower reactor 103, it is described to stir
Device 104 is mixed to be electrically connected with motor 105;The carbide slag slurry return port 108 and 110 one end of carbide slag slurry import are located at oxidation
In tower 1, the carbide slag slurry return port 108 and 110 other end of carbide slag slurry import are connected with carbide slag slurries liquid case 109.
Working principle: boiler smoke introduces oxidizing tower 1, first passes through dust-filtering net 119 and carries out just to the dust in flue gas
Step filtering, carbide slag slurry enter oxidizing tower 1, and flue gas and carbide slag slurry counter current contacting remove part sulfur dioxide in flue gas,
Subsequently into absorption tower 2, again with part sulfur dioxide in ammonium hydroxide counter current contacting removal flue gas, flue gas is after the dehydration of demister 26
It is dusted demisting into deduster 27 through cleared-out smoke pipe 25, is most discharged afterwards through chimney 3.At oxidizing tower bottom, 102 set tower reactor
103, carbide slag slurry is delivered to spray port 112 by circulating pump 117 and carries out circulated sprinkling, and the carbide slag slurry after desulfurization is fallen into
Tower reactor 103.Air is blasted 1 tower reactor 103 of oxidizing tower by newly-increased oxidation fan 106 makes air under the action of blender 104
It sufficiently incorporates in carbide slag slurry, is gypsum by calcium sulfite oxidation.Gypsum slurries after oxidation pass through calcium plaster discharge pump 114
It is delivered to hydrocyclone 115 to be carried out dehydrating, the design on oxidizing tower 1 and absorption tower 2 carries out the sulfur dioxide in flue gas
Different desulfurization process, the utility model have the advantages of simple structure and easy realization, and have not only improved desulfurization effect but also have improved desulfuration byproduct
The quality of gypsum.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of flue gas desulfurization device for coal burning boiler, it is characterised in that: including oxidizing tower, absorption tower and chimney, the oxygen
Changing tower includes oxidation tower top and oxidizing tower bottom, and the oxidizing tower top side face is connected with exhaust pipe, and the oxidizing tower is connected by exhaust pipe
There is absorption tower, be connected with calcium plaster equipped with tower reactor, the tower reactor side-lower in the oxidizing tower bottom and export, in the calcium plaster outlet
Equipped with calcium plaster discharge pump, the calcium plaster exit end is connected with hydrocyclone, and the tower reactor upper side is connected with circulated sprinkling
Pipe, the circulated sprinkling pipe are equipped with circulating pump, and described circulated sprinkling pipe one end is connected with spray port, the tower reactor side be connected with into
Air hose, the blast pipe are equipped with oxidation fan, and the oxidizing tower side offers carbide slag slurry return port, the carbide slag
Offer carbide slag slurry import above slurries return ports, offer smoke inlet above the carbide slag slurry import, it is described into
Mouth is equipped with dust-filtering net.
2. a kind of flue gas desulfurization device for coal burning boiler according to claim 1, it is characterised in that: the absorption tower bottom
Side is connected with circulation pipe, and ammonium hydroxide case and drawing liquid pump are successively arranged on the circulation pipe, and described circulation pipe one end is connected with spray port.
3. a kind of flue gas desulfurization device for coal burning boiler according to claim 1, it is characterised in that: the absorption tower top
End, which is equipped with, absorbs tower top, and the absorption tower top side face is connected with pipe, is successively arranged demister and deduster on the pipe,
The pipe other end is connected with chimney.
4. a kind of flue gas desulfurization device for coal burning boiler according to claim 1, it is characterised in that: set in the tower reactor
There is blender, the blender is electrically connected with motor.
5. a kind of flue gas desulfurization device for coal burning boiler according to claim 1, it is characterised in that: the carbide slag slurries
Liquid return port and carbide slag slurry inlet end are located in oxidizing tower, the carbide slag slurry return port and carbide slag slurry import
The other end is connected with carbide slag slurries liquid case.
Priority Applications (1)
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CN201820579700.4U CN208436652U (en) | 2018-04-23 | 2018-04-23 | A kind of flue gas desulfurization device for coal burning boiler |
Applications Claiming Priority (1)
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CN201820579700.4U CN208436652U (en) | 2018-04-23 | 2018-04-23 | A kind of flue gas desulfurization device for coal burning boiler |
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CN201820579700.4U Expired - Fee Related CN208436652U (en) | 2018-04-23 | 2018-04-23 | A kind of flue gas desulfurization device for coal burning boiler |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110354664A (en) * | 2019-06-15 | 2019-10-22 | 姜智勇 | A kind of thermal power plant flue gas emission is administered with taking off white purification device |
CN110639353A (en) * | 2019-08-23 | 2020-01-03 | 安徽理工大学 | Flue gas desulfurization device of coal boiler |
-
2018
- 2018-04-23 CN CN201820579700.4U patent/CN208436652U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110354664A (en) * | 2019-06-15 | 2019-10-22 | 姜智勇 | A kind of thermal power plant flue gas emission is administered with taking off white purification device |
CN110639353A (en) * | 2019-08-23 | 2020-01-03 | 安徽理工大学 | Flue gas desulfurization device of coal boiler |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 Termination date: 20200423 |
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CF01 | Termination of patent right due to non-payment of annual fee |