CN215027644U - High-efficient SDS dry desulphurization unit - Google Patents
High-efficient SDS dry desulphurization unit Download PDFInfo
- Publication number
- CN215027644U CN215027644U CN202120775269.2U CN202120775269U CN215027644U CN 215027644 U CN215027644 U CN 215027644U CN 202120775269 U CN202120775269 U CN 202120775269U CN 215027644 U CN215027644 U CN 215027644U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- dust remover
- desulfurizer
- pipeline
- desulfurizing 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
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000003546 flue gas Substances 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 38
- 230000023556 desulfurization Effects 0.000 claims abstract description 38
- 239000007921 spray Substances 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims abstract description 31
- 239000007924 injection Substances 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 29
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 11
- 238000009792 diffusion process Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a high-efficient SDS dry desulphurization unit belongs to desulfurization technical field, has solved among the prior art problem that desulphurization unit desulfurization effect is not good enough, the spray gun protection nature is poor, cyclic ash utilization nature is low, desulfurizer including the order connection grinds conveying mechanism, desulfurizing tower and dust remover, and the desulfurizing tower top is equipped with the diffuser, and the diffuser surface is connected with the one-level injection mechanism who is linked together with flue gas pipeline, and the diffuser below is equipped with second grade injection mechanism, and the desulfurizing tower lateral part is connected with the dust remover, and the dust remover bottom is linked together with the flue gas pipeline of one-level injection mechanism entry end. The utility model discloses a multistage injection reaction makes desulfurizer and flue gas mixture abundant, improves the desulfurizer desulfurization rate, utilizes the rotary sphere to enlarge desulfurizer spray regime, improves the area of contact with the flue gas, and the rotary sphere forms the protection to the spray gun simultaneously, utilizes circulation ash extension flue gas dwell time, improves circulation ash utilization ratio.
Description
Technical Field
The utility model belongs to the technical field of the desulfurization, specifically speaking especially relates to a high-efficient SDS dry process desulphurization unit.
Background
From 2018, the state enforces stricter emission standards for gas-fired boilers and limits wet desulphurization processes, and the SDS dry desulphurization process becomes the preferred process for the desulphurization of the flue gas of the coke oven because of the advantages of simple process, low one-time investment, low operation cost and the like. The traditional SDS dry desulfurization sets up one-level injection apparatus at the diffuser exit of desulfurizing tower, spout the desulfurizer into the flue gas, make desulfurizer and sulfur dioxide in the flue gas react, produce sodium sulfate solid, water and carbon dioxide, accomplish the flue gas desulfurization, but the reaction time is short easily to appear, the desulfurizer reaction is insufficient problem, and the solid particle that the dust remover was collected is directly arranged outward through the dust remover ash bucket, wherein the desulfurizer is unreacted and is directly arranged outward completely, lead to the problem that the desulfurizer utilization ratio is low, when the spray gun carries out the powder injection desulfurization in the desulfurizing tower simultaneously, the spray gun easily produces damage such as partial melting because of receiving the influence of high temperature flue gas, very easily influence the promotion of the desulfurization process of flue gas.
Disclosure of Invention
The utility model aims at providing a not enough to prior art exists, provide a high-efficient SDS dry desulphurization unit that desulfurization effect is good, the spray gun protectiveness is good, the cyclic ash utilization is high.
In order to realize the technical purpose, the utility model discloses technical scheme that high-efficient SDS dry process desulphurization unit adopted does:
a high-efficiency SDS dry desulphurization device comprises a desulfurizer grinding and conveying mechanism, a desulphurization tower and a dust remover which are sequentially connected, wherein the top of the desulphurization tower is provided with a diffusion section, the surface of the diffusion section is connected with a primary injection mechanism communicated with a flue gas pipeline through a pipeline, a secondary injection mechanism communicated with the side part of the desulphurization tower is arranged below the diffusion section, the primary injection mechanism is arranged in a primary desulphurization box body, the primary injection mechanism and the secondary injection mechanism respectively comprise a rotating seat, a rotating shaft rotationally connected with the rotating seat and a rotating sphere fixedly connected with the end part of the rotating shaft, the rotating sphere is made of high-temperature resistant ceramics, the surface of the rotating sphere is provided with a plurality of spray holes, spray guns used for injecting desulfurizer are inserted in the spray holes, the edge of the end part of a gun mouth of each spray gun is jointed with a spray hole orifice, and the gun body of each spray gun is arranged in the rotating sphere, the tail parts of the spray guns are gathered into a whole and are communicated with a desulfurizer grinding and conveying mechanism, the side part of the desulfurizing tower is connected with a dust remover through a pipeline, the bottom of the dust remover is communicated with a flue gas pipeline at the inlet end of the primary injection mechanism through a return pipeline, and a booster fan and a circulating material accelerator which drive the dedusted flue gas to flow back to a raw flue gas pipeline are arranged on the return pipeline.
Preferably, the desulfurizer grinding and conveying mechanism comprises a powder bin, the bottom of the powder bin is connected with a gas-solid injector, one side of the gas-solid injector is connected with a screw blower for providing flowing wind power of desulfurizer powder, and the other side of the gas-solid injector is communicated with the tail parts of the plurality of spray guns through pipelines.
Preferably, the bottom of the powder bin is provided with a material fixing plate for controlling the output quantity of the powder bin.
Preferably, the return pipeline is also provided with a star-shaped feeder arranged between the dust remover and the circulating material accelerator.
Preferably, an outlet pipe is arranged at the outlet end of the dust remover and communicated with the chimney.
Preferably, the dust remover is a bag type dust remover, and the star-shaped feeder is a variable-frequency feeder.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up one-level injection mechanism at the desulfurizing tower entrance, utilize the desulfurizer to carry out the desulfurization in advance to the flue gas, set up the second grade injection mechanism in diffusion zone exit, utilize the desulfurizer to carry out the degree of depth desulfurization to the flue gas, through the multistage injection reaction, make desulfurizer and flue gas mix fully, prolong reaction time, improve the desulfurizer desulfurization rate;
2. the utility model is provided with the rotary sphere in the first-stage injection mechanism and the second-stage injection mechanism, the surface of the rotary sphere is provided with a plurality of jet holes, the injection range of the desulfurizer is expanded, the contact area with the flue gas is improved, the flue gas desulfurization effect is enhanced, and meanwhile, the rotary sphere forms protection for the spray gun, thereby avoiding the damage of the spray gun caused by the influence of high-temperature flue gas;
3. The utility model discloses utilize circulation material accelerator and booster fan to carry dust remover bottom material circulation to desulfurizing tower diffusion front end, extension flue gas dwell time improves circulation ash utilization ratio.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the first and second stage injection mechanisms of the present invention;
fig. 3 is a schematic structural diagram of the spray gun of the present invention.
In the figure: 1. a desulfurizing tower; 2. a dust remover; 3. a diffuser section; 4. a flue gas duct; 5. a rotating seat; 6. a rotating shaft; 7. rotating the sphere; 8. spraying a hole; 9. a spray gun; 10. a return line; 11. a booster fan; 12. a circulating material accelerator; 13. a powder bin; 14. a gas-solid injector; 15. a screw blower; 16. a material fixing plate; 17. a star-shaped feeder; 18. an air outlet pipe; 19. and (4) a chimney.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
as shown in fig. 1-3, a high-efficiency SDS dry desulfurization device comprises a desulfurizer grinding and conveying mechanism, a desulfurization tower 1 and a dust collector 2 which are connected in sequence, wherein a diffuser section 3 is arranged at the top of the desulfurization tower 1, the surface of the diffuser section 3 is connected with a primary injection mechanism communicated with a flue gas pipeline 4 through a pipeline, a secondary injection mechanism communicated with the side part of the desulfurization tower 1 is arranged below the diffuser section 3, the primary injection mechanism is arranged in a primary desulfurization box, the primary injection mechanism and the secondary injection mechanism both comprise a rotating base 5, a rotating shaft 6 rotationally connected with the rotating base 5 and a rotating sphere 7 fixedly connected with the end part of the rotating shaft 6, the rotating sphere 7 is made of high-temperature resistant ceramics, the surface of the rotating sphere is provided with a plurality of spray holes 8, spray guns 9 for spraying desulfurizer are inserted into the spray holes 8, the edges of the gun openings of the spray guns 9 are attached to the orifices 8, the utility model discloses a desulfurization tower, including spray gun 9, rotary sphere 7, spray gun 9, dust remover 2, return line 10, flue gas pipeline 4, return line 10, blower 11 and circulation material accelerator 12, the outlet end of dust remover 2 is equipped with outlet duct 18, and outlet duct 18 is linked together with chimney 19. Wherein, the setting of rotating the seat sets up in flue gas pipeline top or sets up in the desulfurizing tower side surface. Through setting up one-level injection mechanism at 3 front ends of desulfurizing tower 1 diffuser, make the desulfurizer carry out preliminary desulfurization to the flue gas, set up second grade injection mechanism in 3 below diffusers, make the desulfurizer carry out degree of depth desulfurization to the flue gas, extension desulfurizer and flue gas reaction time, reinforce flue gas desulfurization effect. Utilize high temperature resistant pottery to make revolving sphere 7, make it form the protection to its inside spray gun 9 stack of the gun body, avoid spray gun 9 to receive high temperature flue gas corrosion, the orifice 8 that revolving sphere 7 surfaces was seted up is used for puting in spray gun 9 simultaneously, increases the area of contact of desulfurizer and flue gas, improves flue gas desulfurization effect.
The desulfurizer grinding and conveying mechanism comprises a powder bin 13, the bottom of the powder bin 13 is connected with a gas-solid injector 14, one side of the gas-solid injector 14 is connected with a screw blower 15 for providing flowing wind power of desulfurizer powder, the other side of the gas-solid injector is communicated with the tails of a plurality of spray guns 9 through pipelines, and the bottom of the powder bin 13 is provided with a material fixing plate 16 for controlling the output quantity of the powder bin 13. Utilize gas-solid sprayer 14 to increase the desulfurizer powder flow power that the powder storehouse flows out, avoid the powder adhesion in desulfurization mechanism's inner tube way, and then influence desulfurization effect, through deciding flitch 16 real-time control powder storehouse 13 play powder volume.
The return pipeline 10 is also provided with a variable-frequency star-shaped feeder 17 arranged between the dust remover 2 and the circulating material accelerator 12. And the circulating ash treated by the dust remover 2 is conveyed to the circulating material accelerator 12 by using the variable-frequency star-shaped feeder 17, so that the recycling of the circulating ash is realized.
The utility model discloses during operation, high temperature flue gas gets into in the primary desulfurization box in the flue gas pipeline 4, meanwhile, the powder storehouse 13 bottom in the desulfurizer grinds conveying mechanism decides the flitch 16 and opens, desulfurizer powder (sodium bicarbonate) flows out from powder storehouse 13 and gets into gas-solid sprayer 14, screw blower 15 provides the flow force to the desulfurizer powder, avoid the powder to adhere to device inner tube, cause powder injection power not enough, reduce the problem of flue gas desulfurization effect, the powder gets into spray gun 9 in the primary injection mechanism, along with the rotation of rotatory spheroid 7, spray gun 9 multi-angle sprays the flue gas widely, carry out the desulfurization to the flue gas in the largest area, realize the preliminary desulfurization of flue gas;
The flue gas enters the diffusion section 3 after primary desulfurization, so that the diffusion area of the flue gas is enlarged, the contact reaction area of a desulfurizing agent and the flue gas is increased, the flue gas is desulfurized by the secondary injection mechanism, the desulfurized flue gas enters the bag-type dust collector 2 for dust removal, and the flue gas is discharged safely through the chimney 19 through the gas outlet pipeline 18, wherein circulating ash flowing out of the bottom of the bag-type dust collector 2 is conveyed to the circulating material accelerator 12 through the star-type feeder 17, the screw air blower 15 provides flowing power for the circulating ash, the circulating ash is conveyed to the flue gas pipeline 4 at the front end of the primary injection mechanism, the large specific surface area of the circulating ash is utilized, the residence time of the flue gas is prolonged, the flowing speed of the flue gas entering the primary desulfurization box is slowed down, the reaction time of the desulfurizing agent and the flue gas is prolonged, the desulfurization effect of the flue gas is improved, and the reutilization property of the circulating ash is enhanced.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a high-efficient SDS dry desulfurization device, grinds conveying mechanism, desulfurizing tower and dust remover including the desulfurizer that connects gradually, its characterized in that: the desulfurizing device comprises a desulfurizing tower, a primary spraying mechanism, a secondary spraying mechanism, a primary desulfurizing box and a secondary spraying mechanism, wherein the top of the desulfurizing tower is provided with a diffusion section, the surface of the diffusion section is connected with the primary spraying mechanism communicated with a flue gas pipeline through a pipeline, the lower part of the diffusion section is provided with the secondary spraying mechanism communicated with the side part of the desulfurizing tower, the primary spraying mechanism is arranged in the primary desulfurizing box, the primary spraying mechanism and the secondary spraying mechanism respectively comprise a rotating seat, a rotating shaft rotationally connected with the rotating seat and a rotating sphere fixedly connected with the end part of the rotating shaft, the rotating sphere is made of high-temperature-resistant ceramics, the surface of the rotating sphere is provided with a plurality of spray holes, spray guns for spraying desulfurizing agent are inserted in the spray holes, the edge of the end parts of gun mouths of the spray guns is attached to orifice orifices, the gun bodies of the spray guns are arranged in the rotating sphere, the tails of the spray guns are assembled into a whole and communicated with a desulfurizing agent grinding and conveying mechanism, and the side part of the desulfurizing tower is connected with a dust remover through a pipeline, the bottom of the dust remover is communicated with a flue gas pipeline at the inlet end of the primary injection mechanism through a return pipeline, and a booster fan and a circulating material accelerator which drive the dedusted flue gas to flow back to the original flue gas pipeline are arranged on the return pipeline.
2. The high-efficiency SDS dry desulfurization device according to claim 1, characterized in that: the desulfurizer grinding and conveying mechanism comprises a powder bin, the bottom of the powder bin is connected with a gas-solid injector, one side of the gas-solid injector is connected with a screw blower for providing flowing wind power of desulfurizer powder, and the other side of the gas-solid injector is communicated with the tail parts of the plurality of spray guns through pipelines.
3. The high-efficiency SDS dry desulfurization device according to claim 2, characterized in that: and a material fixing plate for controlling the output quantity of the powder bin is arranged at the bottom of the powder bin.
4. The high-efficiency SDS dry desulfurization device according to claim 1, characterized in that: and the return pipeline is also provided with a star-shaped feeder arranged between the dust remover and the circulating material accelerator.
5. The high-efficiency SDS dry desulfurization device according to claim 4, characterized in that: and an outlet pipeline is arranged at the outlet end of the dust remover and communicated with the chimney.
6. The high-efficiency SDS dry desulfurization device according to claim 4, characterized in that: the dust remover is a bag type dust remover, and the star feeder is a variable frequency feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120775269.2U CN215027644U (en) | 2021-04-15 | 2021-04-15 | High-efficient SDS dry desulphurization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120775269.2U CN215027644U (en) | 2021-04-15 | 2021-04-15 | High-efficient SDS dry desulphurization unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215027644U true CN215027644U (en) | 2021-12-07 |
Family
ID=79104724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120775269.2U Active CN215027644U (en) | 2021-04-15 | 2021-04-15 | High-efficient SDS dry desulphurization unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215027644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114984745A (en) * | 2022-08-04 | 2022-09-02 | 甘肃泰聚环保科技有限公司 | Material injection apparatus for dry denitration conveying equipment |
-
2021
- 2021-04-15 CN CN202120775269.2U patent/CN215027644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114984745A (en) * | 2022-08-04 | 2022-09-02 | 甘肃泰聚环保科技有限公司 | Material injection apparatus for dry denitration conveying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106352363B (en) | A kind of Industrial Boiler low nitrogen oxide burning and environment friendly system and process | |
| CN204911226U (en) | Circulating fluidized bed dry process gas cleaning system | |
| CN203899446U (en) | Flue gas desulfurization device with coarse desulfurization function | |
| CN215027644U (en) | High-efficient SDS dry desulphurization unit | |
| CN107620962A (en) | A kind of biogas low NO | |
| CN112675691B (en) | Flue gas semi-dry desulfurization system and desulfurization method | |
| CN105664704A (en) | Semidry flue gas desulfurization dust collector | |
| CN113019095A (en) | Heating furnace tail gas comprehensive treatment device | |
| CN111686570A (en) | System and method for tail gas denitration of independent heat source grinding system | |
| CN201279454Y (en) | Eddying-flow flash subdivision furnace suitable for fine subdivision of material into powder and gas product | |
| CN106000143A (en) | Use method of special preparation device for boiler flue gas desulfurization tower repair agent | |
| CN104785078A (en) | In-furnace calcium spraying furnace rear humidifying activation circulating ash flue gas purification device and purification process | |
| CN206355734U (en) | A kind of circulation type semi-dry desulphurization type pulsed is combined sack cleaner | |
| CN213160585U (en) | Dense-phase semi-dry desulfurization and denitrification absorbent humidification and activation device | |
| CN214051142U (en) | Flue gas semi-dry method desulfurization system | |
| CN115055051A (en) | High-efficient chemical industry contains sulphur waste gas dry desulfurization processing apparatus | |
| CN210544274U (en) | Calcium-spraying dry desulfurization device in circulating fluidized bed boiler | |
| CN209246062U (en) | A kind of nitrogen oxides device reducing offal biomass fuel combustion | |
| CN212005739U (en) | Mannheim furnace gas burning denitration device | |
| CN205672778U (en) | A kind of semi-dry type flue gas desulfurization device | |
| CN218820474U (en) | Boiler denitration dilution air system | |
| CN206730826U (en) | The low-temperature denitration device that a kind of gaseous oxidation combination dry method absorbs | |
| CN219091642U (en) | Flue gas dust removal device for semi-dry desulfurization | |
| CN211216169U (en) | Rotary flue gas semi-dry desulfurization device | |
| CN110118488A (en) | Cement decomposing furnace and using its promote inner flue gas of the stove mixed method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 19, Zone 7, No. 188 South Fourth Ring West Road, Fengtai District, Beijing Patentee after: Beijing Fengye Xinneng Technology Co.,Ltd. Country or region after: China Address before: Building 19, Zone 7, No. 188 South Fourth Ring West Road, Fengtai District, Beijing Patentee before: BEIJING FENGYE ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. Country or region before: China |