CN205598950U - High -efficient low -cost flue gas desulphurization device - Google Patents
High -efficient low -cost flue gas desulphurization device Download PDFInfo
- Publication number
- CN205598950U CN205598950U CN201620455900.XU CN201620455900U CN205598950U CN 205598950 U CN205598950 U CN 205598950U CN 201620455900 U CN201620455900 U CN 201620455900U CN 205598950 U CN205598950 U CN 205598950U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- desulfurizing tower
- low cost
- high efficiency
- desulfurization device
- 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.)
- Expired - Fee Related
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a high -efficient low -cost flue gas desulphurization device includes desulfurizing tower, circulating pump, is located the tower wall of desulfurizing tower lower extreme on the flue gas entry, be located the desulfurizing tower top the exhanst gas outlet, be located the circulating slot of desulfurizing tower bottom, the desulfurizing tower inside by supreme rapid cooling shower, porous tray, desulfurization spray zone, the demister washing water pipe of being equipped with in proper order down, desulfurization spray zone include the desulfurization shower of keeping flat and putting in two genshui, desulfurizing tower export still install the defroster, the entry of circulating pump be connected with the lower extreme of circulating slot, export and the rapid cooling shower and the desulfurization spray zone of circulating pump are connected. This desulphurization unit can increase desulfurizer solution and flue gas contact time, and sulfur dioxide's content in the flue gas has effectively gone to reduce.
Description
Technical field
This utility model relates to environmental technology field, specifically refers to the flue gas desulfurization device of a kind of high efficiency, low cost.
Background technology
Along with environmental conservation increasingly comes into one's own in the whole world, the discharge capacity of the sulfur dioxide of one of Air Pollutant Discharge has been carried out strict discharge standard by environmental administration.In iron and steel metallurgical industry, owing to the sulfur content of some areas sintering deposit is the highest, the content of sulfur dioxide in the flue gas sintered out is considerably beyond discharge standard.In order to make the content of sulfur dioxide in flue gas meet discharge standard, generally use wet desulphurization, flue gas is transported in desulfurizing tower, the desulfurizing agent solution sprayed out with the desulfurizing agent solution spraying layer in desulfurizing tower during making flue gas increase in desulfurizing tower is sufficiently mixed reaction, realize desulfurization under certain conditions, to meet discharge standard, reduce the pollution level to environment.
At present conventional desulfurizer also exists that the time that flue gas contact with desulfurizing agent solution is short, contact area is little, it is impossible to the problem of the sulfur dioxide in the most abundant enough removal flue gas.
Utility model content
The problem that can not effectively remove sulfur dioxide in flue gas to solve existing desulfurizer to exist, this utility model provides the flue gas desulfurization device of a kind of high efficiency, low cost, this desulfurizer can increase desulfurizing agent solution and smoke contacts time, effectively reduces the content of sulfur dioxide in flue gas gas.
This utility model is achieved through the following technical solutions: the flue gas desulfurization device of a kind of high efficiency, low cost, including desulfurizing tower, circulating pump, the smoke inlet being positioned on the tower wall of described desulfurizing tower lower end, it is positioned at the exhanst gas outlet at described desulfurizing tower top, is positioned at the circulating slot bottom described desulfurizing tower, inside described desulfurizing tower, be sequentially provided with chilling shower, perforated trays, desulfurization spray district, mist eliminator flushing water pipe from the bottom to top；Described desulfurization spray district includes the desulfuration spraying tube of two horizontal positioned；Described desulfurizing tower outlet is also equipped with demister；The entrance of described circulating pump is connected with the lower end of circulating slot, and circulation delivery side of pump sprays district with chilling shower and desulfurization and is connected.
The operation principle of the technical program is: sulfur-containing smoke gas enters desulfurizing tower from smoke inlet, and after the spray of over-quenching shower, flue-gas temperature reduces rapidly, and in flue gas, part sulfur dioxide is desulfurized agent solution absorption；Flue gas enters desulfurization spray district through perforated trays, sequentially passes through two desulfuration spraying tubes spray, and in flue gas, remaining sulfur dioxide is desulfurized agent solution and fully absorbs；Flue gas after desulfurization enters demister and removes water smoke, foam, reaches discharge standard.
Further, the upper end of the left and right sides of described circulating slot connects desulfurizing agent solution inlet valve and overflow pipe respectively.Before being passed through sulfur-containing smoke gas, open desulfurizing agent solution inlet valve, in circulating slot, inject desulfurizing agent solution；When in circulating slot, liquid level arrives 2/3rds of circulating slot height, ON cycle pump, make desulfurizing agent solution enter chilling shower and two desulfuration spraying tubes and be atomized by nozzle；It is covered with misty liquid droplets in desulfurizing tower, is just passed through sulfur-containing smoke gas and absorbs；After desulfurizing agent solution absorbing sulfur dioxide in flue, return circulating slot and be circulated use.Along with reaction is carried out, circulating slot liquid level gradually rises, and circulation fluid flows to follow-up workshop section along with overflow pipe.
Further, described demister is provided with PIC pressure controller.
Further, described mist eliminator flushing water pipe is provided with the water intaking valve electrically connected with PIC pressure controller.When PIC pressure controller detection demister pressure drop difference is more than 200Pa, controls water intaking valve aperture, admit flushing water into mist eliminator flushing water pipe, demister is rinsed, prevent demister from blocking.
Further, described desulfuration spraying tube is provided with Bidirectional nozzle.
Further, described chilling shower is provided with downwardly open unidirectional nozzle.
Further, described mist eliminator flushing water pipe is provided with the unidirectional nozzle of upward opening.
Further, the plate thickness of described perforated trays is 6mm, and the divider height on perforated trays is 300mm so that the liquid level on pallet can be automatically adjusted along with the flow velocity of sulfur-containing smoke gas；On pallet, the regulation of liquid level can make again smoke distribution under pallet uniform simultaneously.
Further, described perforated trays being provided with pore, the aperture of pore is 20 ~ 50mm, and perforated area accounts for the 20% ~ 50% of the pallet gross area.
This utility model compared with prior art, has the following advantages and beneficial effect:
(1) this utility model is by arranging perforated trays, it is possible to reduce the circulating load of desulfurizing agent solution, increases desulfurizing agent solution and is spraying the desulfurization zone time of staying, makes desulfurizing agent form liquid film, the more sulfur dioxide absorbed in flue gas at perforated trays upper surface.
(2) this utility model is by setting up demister, can remove the desulfurizing agent solution carried secretly in flue gas, reduces the loss of desulfurizing agent solution thus reduces cost；Flue gas moisture content can be reduced and can reduce flue-gas temperature simultaneously, it is to avoid during discharge, in flue gas, moisture liquefaction forms white smoke.
(3) this utility model passes through PIC pressure controller and mist eliminator flushing water pipe, is automatically rinsed demister, prevents demister from blocking.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, other features, objects, and advantages of the present utility model will become apparent:
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of perforated trays.
Wherein: 1, circulating slot, 2, overflow pipe, 3, smoke inlet, 4, chilling shower, 5, pallet, 6, desulfurization spray district, 7, Bidirectional spray head, 8, desulfuration spraying tube, 9, mist eliminator flushing water pipe, 10, demister, 11, circulating pump, 12, desulfurizing agent solution inlet valve, 13, desulfurizing tower, 14, unidirectional nozzle, 15, water intaking valve, 16, PIC pressure controller, 17, exhanst gas outlet.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is further described, but this utility model is not limited to these embodiments.
Embodiment 1:
This utility model provides the flue gas desulfurization device of a kind of high efficiency, low cost, the primary structure of this device, as depicted in figs. 1 and 2, including desulfurizing tower 13, circulating pump 11, the smoke inlet 3 being positioned on the tower wall of described desulfurizing tower 13 lower end, being positioned at the exhanst gas outlet 17 at described desulfurizing tower 13 top, be positioned at the circulating slot 1 bottom described desulfurizing tower 13, described desulfurizing tower 13 is internal is sequentially provided with chilling shower 4, perforated trays 5, desulfurization spray district 6, mist eliminator flushing water pipe 9 from the bottom to top；Described desulfurization spray district 6 includes the desulfuration spraying tube 8 of two horizontal positioned；Described desulfurizing tower 13 outlet is also equipped with demister 10；The entrance of described circulating pump 11 is connected with the lower end of circulating slot 1, and the outlet of circulating pump 11 is connected with chilling shower 4 and desulfuration spraying tube 8.
Time specifically used, sulfur-containing smoke gas enters desulfurizing tower 13 from smoke inlet 3, and after the spray of over-quenching shower 4, flue-gas temperature reduces rapidly, and in flue gas, part sulfur dioxide is desulfurized agent solution absorption；Flue gas enters desulfurization spray district 6 through perforated trays 5, sequentially passes through two desulfuration spraying tubes 8 and sprays, and in flue gas, remaining sulfur dioxide is desulfurized agent solution and fully absorbs；Flue gas after desulfurization enters demister 10 and removes water smoke, foam, reaches discharge standard.
Embodiment 2:
The present embodiment is on the basis of above-described embodiment, further, before being passed through sulfur-containing smoke gas, opens desulfurizing agent solution inlet valve 12, injects desulfurizing agent solution in circulating slot 1；When in circulating slot 1, liquid level arrives 2/3rds of circulating slot 1 height, ON cycle pump 11, make desulfurizing agent solution enter chilling shower 4 and two desulfuration spraying tubes 8 and be atomized by nozzle；It is covered with misty liquid droplets in desulfurizing tower 13, is just passed through sulfur-containing smoke gas and absorbs；After desulfurizing agent solution absorbing sulfur dioxide in flue, return circulating slot 1 and be circulated use.Along with reaction is carried out, circulating slot 1 liquid level gradually rises, and circulation fluid flows to follow-up workshop section along with overflow pipe 2.
Embodiment 3:
The present embodiment is on the basis of above-described embodiment, further, mist eliminator flushing water pipe is provided with the water intaking valve electrically connected with PIC pressure controller.When PIC pressure controller detection demister pressure drop difference is more than 200Pa, controls water intaking valve aperture, admit flushing water into mist eliminator flushing water pipe, demister is rinsed, prevent demister from blocking.
Embodiment 4:
The present embodiment is on the basis of above-described embodiment, and further, during plant running, desulfurizing agent solution forms liquid film on perforated trays surface, and on pallet, the thickness of liquid film adjusts automatically with the flue gas pressures below pallet.Thickness of liquid film on pallet makes the most again smoke distribution under pallet uniform.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment.For a person skilled in the art, the some improvements and modifications carried out on the premise of without departing from principle of the present utility model, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. the flue gas desulfurization device of a high efficiency, low cost, including desulfurizing tower (13), circulating pump (11), the smoke inlet (3) being positioned on the tower wall of described desulfurizing tower (13) lower end, it is positioned at the exhanst gas outlet (17) at described desulfurizing tower (13) top, is positioned at the circulating slot (1) of described desulfurizing tower (13) bottom, it is characterized in that, described desulfurizing tower (13) is internal is sequentially provided with chilling shower (4), perforated trays (5), desulfurization spray district (6), mist eliminator flushing water pipe (9) from the bottom to top；Described desulfurization spray district (6) includes the desulfuration spraying tube (8) of two horizontal settings；Described desulfurizing tower (13) outlet is also equipped with demister (10)；The entrance of described circulating pump (11) is connected with the lower end of circulating slot (1), and the outlet of circulating pump (11) is connected with chilling shower (4) and desulfuration spraying tube (8) respectively.
The flue gas desulfurization device of a kind of high efficiency, low cost the most according to claim 1, it is characterised in that the upper end of the left and right sides of described circulating slot (1) connects desulfurizing agent solution inlet valve (12) and overflow pipe (2) respectively.
The flue gas desulfurization device of a kind of high efficiency, low cost the most according to claim 1, it is characterised in that described demister (10) is provided with PIC pressure controller (16).
The flue gas desulfurization device of a kind of high efficiency, low cost the most according to claim 3, it is characterised in that be provided with the water intaking valve (15) electrically connected with PIC pressure controller (16) on described mist eliminator flushing water pipe (9).
The flue gas desulfurization device of a kind of high efficiency, low cost the most according to claim 1, it is characterised in that described desulfuration spraying tube (8) is provided with Bidirectional nozzle (7).
The flue gas desulfurization device of a kind of high efficiency, low cost the most according to claim 1, it is characterised in that described chilling shower (4) is provided with downwardly open unidirectional nozzle (14).
The flue gas desulfurization device of a kind of high efficiency, low cost the most according to claim 1, it is characterised in that described mist eliminator flushing water pipe (9) is provided with the unidirectional nozzle (14) of upward opening.
The flue gas desulfurization device of a kind of high efficiency, low cost the most according to claim 1, it is characterised in that the plate thickness of described perforated trays (5) is 6mm, and the divider height on perforated trays (5) is 300mm.
The flue gas desulfurization device of a kind of high efficiency, low cost the most according to claim 1, it is characterised in that being provided with pore on described perforated trays (5), the aperture of pore is 20 ~ 50mm, and perforated area accounts for the 20% ~ 50% of the pallet gross area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455900.XU CN205598950U (en) | 2016-05-18 | 2016-05-18 | High -efficient low -cost flue gas desulphurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455900.XU CN205598950U (en) | 2016-05-18 | 2016-05-18 | High -efficient low -cost flue gas desulphurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205598950U true CN205598950U (en) | 2016-09-28 |
Family
ID=56948978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620455900.XU Expired - Fee Related CN205598950U (en) | 2016-05-18 | 2016-05-18 | High -efficient low -cost flue gas desulphurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205598950U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861370A (en) * | 2017-03-15 | 2017-06-20 | 清华大学 | A kind of flue gas pollutant spray absorber inner member of adjustable local fluidization wind speed |
| CN110559816A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurization and wastewater treatment process |
| CN110559817A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurizing and wastewater treatment process |
-
2016
- 2016-05-18 CN CN201620455900.XU patent/CN205598950U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861370A (en) * | 2017-03-15 | 2017-06-20 | 清华大学 | A kind of flue gas pollutant spray absorber inner member of adjustable local fluidization wind speed |
| CN110559816A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurization and wastewater treatment process |
| CN110559817A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurizing and wastewater treatment process |
| CN110559817B (en) * | 2018-06-05 | 2021-10-08 | 中国石油化工股份有限公司 | Flue gas desulfurization tower and flue gas dedusting, desulfurizing and wastewater treatment process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205007842U (en) | Wet flue gas desulfurization system | |
| CN205055807U (en) | Coke oven low -sulfur tail gas desulfurization dust collector | |
| CN205598950U (en) | High -efficient low -cost flue gas desulphurization device | |
| US8741033B2 (en) | Air pollution control apparatus | |
| CN108211749B (en) | Wet desulfurization spray tower and desulfurization method | |
| CN105381703A (en) | Bubble tower and method for wet flue gas desulphurization | |
| CN209630917U (en) | A kind of wet process of FGD depth disappears white system | |
| CN108837686A (en) | A kind of high-efficient washing Tower System and method suitable for marine exhaust desulfurization | |
| CN217613822U (en) | Carbon dioxide absorption system | |
| KR20150070110A (en) | A flue gas purification device | |
| CN206617954U (en) | Flue gas white-smoke-removing device | |
| CN204338002U (en) | A kind of flue gas desulfur device | |
| CN205007843U (en) | Desulfurated absorption tower of magnesium method | |
| CN201848206U (en) | Flue gas desulfurization biphase rectifier and flue gas desulfurization system | |
| CN208694680U (en) | High-efficient washing Tower System suitable for marine exhaust desulfurization | |
| CN106731591A (en) | Two stage cycle subregion desulfurizing tower | |
| CN208320385U (en) | A kind of elimination white cigarette device for wet fuel gas desulfurizing technology | |
| CN207694591U (en) | Two-way Cycle wet process of FGD dust pelletizing system | |
| CN203577623U (en) | Forced turbulent flow flue gas desulfurization tower | |
| CN109381988A (en) | A kind of device preventing ammonia process desulfuration tower Crystallization Plugging | |
| CN208757295U (en) | A kind of device of flue gas desulfurization | |
| CN206027417U (en) | Desulfurizing spray tower | |
| CN205461741U (en) | Dust removal SOx/NOx control spray column | |
| CN103521066A (en) | Forced turbulent flue gas desulfurization tower | |
| CN205659549U (en) | Recirculated flue gas purifier through secondary desulfurization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20180518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |