CN211069642U - Flue gas desulfurization device - Google Patents
Flue gas desulfurization device Download PDFInfo
- Publication number
- CN211069642U CN211069642U CN201921588711.XU CN201921588711U CN211069642U CN 211069642 U CN211069642 U CN 211069642U CN 201921588711 U CN201921588711 U CN 201921588711U CN 211069642 U CN211069642 U CN 211069642U
- Authority
- CN
- China
- Prior art keywords
- slurry
- thick liquid
- flue gas
- room
- flue
- 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
Images
Abstract
The utility model discloses a flue gas desulfurization device belongs to flue gas treatment technical field, including advancing the mouth, first thick liquid spray room, first flue pipe, thick liquid pond room, second flue pipe and second thick liquid spray room, keep apart into the thick liquid pond room from the bottom up with it through first baffle and second baffle, first thick liquid spray room and second thick liquid spray room, it sets up on first thick liquid spray room to advance the mouth, the top of first thick liquid spray room is provided with first thick liquid spray device, the top setting of first flue pipe is in the thick liquid of first thick liquid spray room other end immersion thick liquid pond room, second flue pipe bottom sets up the thick liquid of thick liquid pond room above the thick liquid level of thick liquid pond room other end and communicates second thick liquid spray room, the top of second thick liquid spray room is provided with second thick liquid spray device, defroster and exhanst gas outlet. The utility model discloses flue gas desulfurization device can increase limestone slurry and flue gas contact flow segment length, thereby guarantees limestone slurry and the abundant contact improvement desulfurization effect of flue gas.
Description
Technical Field
The utility model relates to a flue gas treatment technical field especially relates to a flue gas desulfurization device.
Background
In recent years, with the increase of national requirements for environmental protection, more strict requirements are placed on pollution emission in production, and air pollution is important, for example, flue gas generated by combustion of coal in a factory needs to be desulfurized and then emitted.
Flue Gas Desulfurization (FGD) refers to a process for removing sulfur oxides (mainly SO2) from Flue gases or other industrial waste gases. The sulfur oxides in the flue gas are acidic in nature and can be removed from the flue gas by reaction with a suitable alkaline material to produce a mixture of sulfite and sulfate. Common wet desulfurization processes include limestone-gypsum process, ammonia process, seawater process, magnesium oxide process, and the like; among them, the limestone-gypsum wet desulphurization process starts to appear in the sixth and seventies of the twentieth century, has become the most mature process in the field of flue gas desulphurization, and has good economical efficiency and the most extensive application.
At present, most of limestone-gypsum wet desulphurization processes in the prior art are that raw flue gas discharged by a boiler induced draft fan is guided into a desulphurization absorption tower by a booster fan. In the desulfurization absorption tower, raw flue gas passes through the tower body from bottom to top and is mixed in a countercurrent mode when meeting limestone slurry sprayed out of the spraying system, and desulfurized clean flue gas is discharged through a chimney after mist drops carried by the flue gas are removed through a demister on the upper portion of the spraying system and subjected to heat exchange and temperature rise. Because the contact flow section of the limestone slurry from top to bottom and the flue gas from bottom to top is limited by the height of the equipment, the contact flow section is shorter, the flue gas is often not fully contacted with the limestone slurry, and the desulfurization effect is poor.
Therefore, there is a need to develop a new flue gas desulfurization device in view of the above disadvantages.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flue gas desulfurization device can increase limestone slurry and flue gas contact flow path length, thereby guarantees limestone slurry and flue gas and fully contacts and improve desulfurization effect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a flue gas desulfurization device, including advancing mouth, first thick liquid spray room, first flue pipe, thick liquid pond room, second flue pipe and second thick liquid spray room, flue gas desulfurization device's main part inner chamber is kept apart into it from the bottom up through first baffle and second baffle thick liquid pond room, first thick liquid spray room and second thick liquid spray room, it sets up to advance the mouth on the lateral wall of first thick liquid spray room, the top of first thick liquid spray room is provided with first thick liquid spray device, the top of first flue pipe sets up the other end is soaked in the first thick liquid spray room below the thick liquid pond liquid level of thick liquid pond room, second flue pipe liquid level sets up the other end communicates above the thick liquid pond room thick liquid the second thick liquid spray room, the top of second thick liquid spray room has set gradually second thick liquid spray device, second thick liquid spray device, A demister and a flue gas outlet.
Furthermore, first flue pipe and second flue pipe all are one at least, the top of first flue pipe and second flue pipe all is provided with the pinnacle and keeps off the cover.
Furthermore, a bottom exhaust disc is arranged at the bottom end of the first flue pipe, and a plurality of exhaust holes are formed in the bottom surface and the side wall of the bottom exhaust disc.
Furthermore, the bottoms of the first slurry spraying chamber and the second slurry spraying chamber are respectively provided with a first slurry return pipe and a second slurry return pipe, the top openings of the first slurry return pipe and the second slurry return pipe are respectively arranged on the upper surfaces of the first partition plate and the second partition plate, and the bottom ends of the first slurry return pipe and the second slurry return pipe are arranged below the liquid level of the slurry pool chamber.
Furthermore, a spraying cooling device is arranged on the top wall of the smoke inlet.
Furthermore, a cleaning spray head is arranged below the demister.
Further, the slurry in the slurry pool chamber is respectively connected with an air blower for blowing air, a slurry pump for supplementing new slurry, a slurry circulating pump and a slurry discharge pump for outputting gypsum slurry through pipelines, and an outlet of the slurry circulating pump is communicated with inlets of the first slurry spraying device and the second slurry spraying device through pipelines.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to a flue gas desulfurization device, first thick liquid spray room, thick liquid pond room, the isolation setting of second thick liquid spray room through present case flue gas desulfurization device to communicate in proper order through first flue pipe and second flue pipe, can increase limestone slurry and flue gas contact flow path length. After being pressurized by a booster fan, the flue gas firstly enters a first slurry spraying chamber through a flue gas inlet, and the first slurry spraying device sprays fog-shaped limestone slurry to carry out primary desulfurization on the flue gas; the flue gas subjected to primary desulfurization is guided into a slurry pool of a slurry pool chamber through a first flue pipe, and is directly subjected to immersion contact with limestone slurry in the slurry pool to perform secondary desulfurization; through the secondary desulfurization the flue gas leads to second thick liquid spray booth through the second flue pipe, and second thick liquid spray set sprays vaporific limestone thick liquid to the rising flue gas reverse impact contact carries out the cubic desulfurization. Through the three-step desulfurization process, the flue gas can be more thoroughly removed.
In addition, through the arrangement of the plurality of first flue pipes and the plurality of second flue pipes, the smooth circulation of the flue gas is facilitated; through the setting of pinnacle fender cover, can avoid first thick liquid spray set and second thick liquid spray set to erupt the lime stone thick liquid and enter into first flue pipe and second flue intraductally, avoid the scale deposit that the mixed flow caused to block up. Through the setting of the end exhaust dish of densely covered exhaust hole, be convenient for introduce from first thick liquid spray room the flue gas forms intensive little cigarette bubble in the thick liquid pond of thick liquid pond room and discharges, carries out the bigger contact of area with the lime stone thick liquid, is favorable to carrying out abundant desulfurization. Through the arrangement of the slurry return pipe and the second slurry return pipe, slurry sprayed by the first slurry spraying device and the second slurry spraying device can timely return to the slurry pool chamber, and the bearing pressure of the first partition plate and the second partition plate is reduced. The process cooling water is introduced through the spraying cooling device to cool the high-temperature flue gas entering from the flue gas inlet, so that the desulfurization process is smoothly carried out. Through the setting of defroster and washing shower nozzle, can get rid of the desulfurization back moisture and other particles in the flue gas regularly open and wash shower nozzle and spray the scale deposit and the filth on the washing defroster of being convenient for.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of a sectional structure of a flue gas desulfurization apparatus according to the present invention;
FIG. 2 is a schematic structural view of the bottom of the first flue pipe of the present invention;
description of reference numerals: 1. a smoke inlet; 101. a spray cooling device; 2. a first slurry spray chamber; 201. a first slurry spraying device; 202. a first slurry return pipe; 3. a first flue pipe; 301. a bottom vent pan; 301a, an exhaust hole; 4. a slurry pool chamber; 401. a blower; 402. a slurry pump; 403. a slurry circulating pump; 404. A slurry discharging pump; 5. a second flue pipe; 6. a second slurry spray chamber; 601. a second slurry spraying device; 602. A second slurry return pipe; 7. a demister; 701. cleaning the spray head; 8. a first separator; 9. a second separator; 10. and a flue gas outlet.
Detailed Description
The core of the utility model is to provide a flue gas desulfurization device can increase limestone slurry and flue gas contact flow path length, thereby guarantees limestone slurry and flue gas and fully contacts and improve desulfurization effect.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Description of the drawings in the following detailed description, the upper, lower, left and right descriptions are for illustrative purposes only and should not be construed as limiting the invention.
In a specific embodiment of the present invention, as shown in fig. 1, a flue gas desulfurization device comprises a flue gas inlet 1, a first slurry spray chamber 2, a first flue pipe 3, a slurry tank chamber 4, a second flue pipe 5 and a second slurry spray chamber 6, wherein the flue gas desulfurization device is separated into the slurry tank chamber 4, the first slurry spray chamber 2 and the second slurry spray chamber 6 from bottom to top by a first partition plate 8 and a second partition plate 9 in a main body inner cavity, the flue gas inlet 1 is arranged on a side wall of the first slurry spray chamber 2, the first slurry spray device 201 is arranged on the top of the first slurry spray chamber 2, the top end of the first flue pipe 3 is arranged in the first slurry spray chamber 2, the other end of the first flue pipe is immersed below the slurry tank of the slurry tank chamber 4, the bottom end of the second flue pipe 5 is arranged above the slurry tank chamber 4 and the other end is communicated to the second slurry spray chamber 6, first flue pipe 3 and second flue pipe 5 are all fixed on the inner wall of present case flue gas desulfurization device through the pipe holder, and second thick liquid spray set 601, defroster 7 and exhanst gas outlet 10 have set gradually from bottom to top at the top of second thick liquid spray booth 6.
Through the isolation setting of first thick liquid spray booth 2, thick liquid pond room 4, the second thick liquid spray booth 6 of present case flue gas desulfurization device to communicate in proper order through first flue pipe 3 and second flue pipe 5, can increase limestone slurry and flue gas contact flow path length. After being pressurized by a booster fan, the flue gas firstly enters a first slurry spray chamber 2 through a flue gas inlet 1, and the first slurry spray device 201 sprays fog-like limestone slurry to carry out primary desulfurization on the flue gas; the flue gas after primary desulfurization is guided into a slurry pool of a slurry pool chamber 4 through a first flue pipe 3, and is directly subjected to immersion contact with limestone slurry in the slurry pool for secondary desulfurization; through the secondary desulfurization the flue gas leads to second thick liquid spray booth 6 through second flue pipe 5, and second thick liquid spray set 601 spouts vaporific limestone thick liquid to the reverse impact contact of flue gas that rises and carries out the cubic desulfurization. Through the three-step desulfurization process, SO2 in the flue gas can be more thoroughly removed.
In a specific embodiment of the present invention, as shown in fig. 1, the first flue pipe 3 and the second flue pipe 5 are at least one, and the tops of the first flue pipe 3 and the second flue pipe 5 are all provided with a sharp top cover.
Through the arrangement of the plurality of first flue pipes 3 and the plurality of second flue pipes 5, the smooth circulation of the flue gas is facilitated; through the setting of pinnacle fender cover, can avoid the limestone slurry that first thick liquid spray set 201 and second thick liquid spray set 601 erupted to enter into first flue pipe 3 and second flue pipe 5 in, avoid the scale deposit that the mixed flow caused to block up.
Further, as shown in fig. 2, the bottom end of the first flue pipe 3 is provided with a bottom exhaust tray 301, and a plurality of exhaust holes 301a are provided on the bottom surface and the side wall of the bottom exhaust tray 301.
Through the arrangement of the bottom exhaust disc 301 densely distributed with the exhaust holes 301a, the flue gas introduced from the first slurry spraying chamber 2 is conveniently discharged by forming dense tiny flue gas bubbles in the slurry tank of the slurry tank chamber 4, and is in larger area contact with limestone slurry, so that full desulfurization is facilitated.
In a specific embodiment of the present invention, as shown in fig. 1, the first slurry return pipe 202 and the second slurry return pipe 602 are respectively installed at the bottom of the first slurry spray chamber 2 and the second slurry spray chamber 6, the top openings of the first slurry return pipe 202 and the second slurry return pipe 602 are respectively disposed on the upper surfaces of the first partition plate 8 and the second partition plate 9, and the bottom ends of the first slurry return pipe 202 and the second slurry return pipe 602 are disposed below the slurry pool liquid level of the slurry pool chamber 4 and are lower than the bottom end of the first flue pipe 3.
Through the arrangement of the slurry return pipe 201 and the second slurry return pipe 602, the slurry sprayed by the first slurry spraying device 201 and the second slurry spraying device 601 can conveniently and timely return to the slurry pool chamber 4, and the bearing pressure of the first partition plate 8 and the second partition plate 9 is reduced.
In a specific embodiment of the present invention, as shown in fig. 1, a spray cooling device 101 is disposed on the top wall of the smoke inlet 1. The process cooling water is introduced through the spraying cooling device 101 to cool the high-temperature flue gas entering from the flue gas inlet 1, so that the desulfurization process is smoothly carried out.
In one embodiment of the present invention, as shown in fig. 1, a cleaning nozzle 701 is provided below the demister 7. Through defroster 7 and washing shower nozzle 701's setting, can get rid of the desulfurization back moisture and other particles in the flue gas regularly open washing shower nozzle 701 and spray the washing liquid and be convenient for clear up scale deposit and filth on the defroster 7.
In a specific embodiment of the present invention, as shown in fig. 1, the slurry in the slurry tank 4 is connected to an air blower 401 for blowing air, a slurry pump 402 for replenishing new slurry, a slurry circulating pump 403, and a slurry discharge pump 404 for outputting gypsum slurry through pipes, and the outlet of the slurry circulating pump 403 is connected to the inlets of the first slurry spray device 201 and the second slurry spray device 601 through pipes.
The flue gas desulfurization device of present case through the isolation setting of first thick liquid spray booth 2, thick liquid pond room 4, second thick liquid spray booth 6 of present case flue gas desulfurization device to communicate in proper order through first flue pipe 3 and second flue pipe 5, can increase limestone slurry and flue gas contact flow path length. After being pressurized by a booster fan, the flue gas firstly enters a first slurry spray chamber 2 through a flue gas inlet 1, and the first slurry spray device 201 sprays fog-like limestone slurry to carry out primary desulfurization on the flue gas; the flue gas after primary desulfurization is guided into a slurry pool of a slurry pool chamber 4 through a first flue pipe 3, and is directly subjected to immersion contact with limestone slurry in the slurry pool for secondary desulfurization; through the secondary desulfurization the flue gas leads to second thick liquid spray booth 6 through second flue pipe 5, and second thick liquid spray set 601 spouts vaporific limestone thick liquid to the reverse impact contact of flue gas that rises and carries out the cubic desulfurization. Through the three-step desulfurization process, SO2 in the flue gas can be more thoroughly removed. In addition, through the arrangement of a plurality of first flue pipes 3 and second flue pipes 5, the smooth circulation of the flue gas is facilitated; through the setting of pinnacle fender cover, can avoid the limestone slurry that first thick liquid spray set 201 and second thick liquid spray set 601 erupted to enter into first flue pipe 3 and second flue pipe 5 in, avoid the scale deposit that the mixed flow caused to block up. Through the arrangement of the bottom exhaust disc 301 densely distributed with the exhaust holes 301a, the flue gas introduced from the first slurry spraying chamber 2 is conveniently discharged by forming dense tiny flue gas bubbles in the slurry tank of the slurry tank chamber 4, and is in larger area contact with limestone slurry, so that full desulfurization is facilitated. Through the arrangement of the slurry return pipe 201 and the second slurry return pipe 602, the slurry sprayed by the first slurry spraying device 201 and the second slurry spraying device 601 can conveniently and timely return to the slurry pool chamber 4, and the bearing pressure of the first partition plate 8 and the second partition plate 9 is reduced. The process cooling water is introduced through the spraying cooling device 101 to cool the high-temperature flue gas entering from the flue gas inlet 1, so that the desulfurization process is smoothly carried out. Through defroster 7 and washing shower nozzle 701's setting, can get rid of the desulfurization back moisture and other particles in the flue gas regularly open washing shower nozzle 701 and spray the washing liquid and be convenient for clear up scale deposit and filth on the defroster 7.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. A flue gas desulfurization device is characterized in that: including advancing cigarette mouth (1), first thick liquid spray room (2), first flue pipe (3), thick liquid pond room (4), second flue pipe (5) and second thick liquid spray room (6), flue gas desulphurization device's main part inner chamber is kept apart it into from the bottom up through first baffle (8) and second baffle (9) thick liquid pond room (4), first thick liquid spray room (2) and second thick liquid spray room (6), it is in to advance cigarette mouth (1) to set up on the lateral wall of first thick liquid spray room (2), the top of first thick liquid spray room (2) is provided with first thick liquid spray set (201), the top of first flue pipe (3) sets up the other end is in first thick liquid spray room (2) immerse below the thick liquid pond liquid level of thick liquid pond room (4), second flue pipe (5) bottom sets up the thick liquid pond room (4) more than the liquid level communicates the other end communicates the second thick liquid spray room (6), and the top of the second slurry spray chamber (6) is sequentially provided with a second slurry spray device (601), a demister (7) and a flue gas outlet (10) from bottom to top.
2. The flue gas desulfurization apparatus according to claim 1, characterized in that: first flue pipe (3) and second flue pipe (5) all are one at least, the top of first flue pipe (3) and second flue pipe (5) all is provided with the pinnacle and keeps off the cover.
3. The flue gas desulfurization apparatus according to claim 2, characterized in that: the bottom end of the first flue pipe (3) is provided with a bottom exhaust disc (301), and the bottom surface and the side wall of the bottom exhaust disc (301) are provided with a plurality of exhaust holes (301 a).
4. The flue gas desulfurization apparatus according to claim 1, characterized in that: the bottom of the first slurry spray chamber (2) and the bottom of the second slurry spray chamber (6) are respectively provided with a first slurry return pipe (202) and a second slurry return pipe (602), the top openings of the first slurry return pipe (202) and the second slurry return pipe (602) are respectively arranged on the upper surfaces of the first partition plate (8) and the second partition plate (9), and the bottom ends of the first slurry return pipe (202) and the second slurry return pipe (602) are arranged below the slurry pool liquid level of the slurry pool chamber (4).
5. The flue gas desulfurization apparatus according to claim 1, characterized in that: and a spraying cooling device (101) is arranged on the top wall of the smoke inlet (1).
6. The flue gas desulfurization apparatus according to claim 1, characterized in that: and a cleaning spray head (701) is arranged below the demister (7).
7. The flue gas desulfurization apparatus according to claim 1, characterized in that: the slurry in the slurry pool chamber (4) is respectively connected with an air blower (401) for blowing air, a slurry pump (402) for supplementing new slurry, a slurry circulating pump (403) and a slurry discharging pump (404) for outputting gypsum slurry through pipelines, and the outlet of the slurry circulating pump (403) is communicated with the inlets of the first slurry spraying device (201) and the second slurry spraying device (601) through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588711.XU CN211069642U (en) | 2019-09-24 | 2019-09-24 | Flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588711.XU CN211069642U (en) | 2019-09-24 | 2019-09-24 | Flue gas desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211069642U true CN211069642U (en) | 2020-07-24 |
Family
ID=71633092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921588711.XU Active CN211069642U (en) | 2019-09-24 | 2019-09-24 | Flue gas desulfurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211069642U (en) |
-
2019
- 2019-09-24 CN CN201921588711.XU patent/CN211069642U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101549235B (en) | Conjoined wet-type dust cleaning and desulfurizing device | |
| CN205517227U (en) | Desulfurizing tower suitable for ultra -clean discharges | |
| US11534717B2 (en) | Ammonia desulphurization and oxidation apparatus and method | |
| CN214513698U (en) | Domestic waste pyrolysis oven dust removal sweetener | |
| CN107433113A (en) | A kind of desulphurization denitration absorption tower | |
| CN205007839U (en) | Desulfuration and dust removal device | |
| CN211069642U (en) | Flue gas desulfurization device | |
| CN210171204U (en) | High-efficient waste gas dust removal desulfurization whirl tower | |
| CN112023636A (en) | Flue gas treatment washing tower | |
| CN206027417U (en) | Desulfurizing spray tower | |
| CN217188838U (en) | Low emission wet desulfurization device | |
| CN212348313U (en) | Integrated flue gas purification system and biomass power plant combustion purification system | |
| CN210814692U (en) | Flue gas desulfurization is with spraying tympanic bulla tower system | |
| CN210159445U (en) | Industrial waste gas's desulfurization dust collector | |
| CN106390713A (en) | Composite device for cement waste gas treatment | |
| CN209997445U (en) | flue gas desulfurization haze reduction tower | |
| CN220071243U (en) | Flue gas desulfurization absorption tower | |
| CN201692760U (en) | Gas-liquid swirling-flow desulfuration dust cleaner of efficient desulfuration dust-cleaning device | |
| CN205517205U (en) | Novel high -efficient desulfurization dust removal purification device | |
| CN111036048A (en) | Novel ship exhaust gas washing desulfurization device | |
| CN2597064Y (en) | Rotary spraying recirculation desulfurizing device | |
| CN214131025U (en) | Useless high-efficient tail gas clean system of danger | |
| CN209997378U (en) | haze-reducing and white-eliminating tower for smoke | |
| CN209828652U (en) | Gas-liquid reverse absorption's exhaust-gas treatment spray column | |
| CN220657018U (en) | Novel ultralow emission environmental protection desulfurizing tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |