CN218573279U - Coke oven flue gas desulfurization and denitrification system - Google Patents
Coke oven flue gas desulfurization and denitrification system Download PDFInfo
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- CN218573279U CN218573279U CN202222858866.9U CN202222858866U CN218573279U CN 218573279 U CN218573279 U CN 218573279U CN 202222858866 U CN202222858866 U CN 202222858866U CN 218573279 U CN218573279 U CN 218573279U
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- desulfurization
- flue gas
- denitrification
- box
- sox
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 54
- 230000023556 desulfurization Effects 0.000 title claims abstract description 54
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000003546 flue gas Substances 0.000 title claims abstract description 46
- 239000000571 coke Substances 0.000 title claims abstract description 29
- 239000000654 additive Substances 0.000 claims abstract description 33
- 230000000996 additive effect Effects 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 12
- 241000220317 Rosa Species 0.000 claims description 9
- 239000007789 gas Substances 0.000 abstract description 10
- 239000000779 smoke Substances 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000011403 purification operation Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a coke oven flue gas desulfurization and denitrification system, which comprises a desulfurization and denitrification box, wherein a smoke inlet pipeline is arranged in the desulfurization and denitrification box through a fixing part, the interior of the desulfurization and denitrification box is divided into three parts through a partition plate, the smoke inlet pipeline extends to the bottom of the partition plate, and a stirring mechanism is arranged in the desulfurization and denitrification box; this coke oven flue gas desulfurization and denitrification system, through the design that the additive adds mechanism and filtering mechanism internals, can filter the separation to harmful gas in the flue gas (NOx, SO2 and other harmful gas), accomplish SOx/NOx control and the purification operation to the flue gas, guarantee that exhaust flue gas can not the polluted environment, cooperate the design that rabbling mechanism and additive added mechanism internals simultaneously, can evenly advance the interpolation to the additive, guarantee the efficiency when carrying out SOx/NOx control operation, need not workman manual interpolation, convenience more.
Description
Technical Field
The utility model relates to a flue gas purification system correlation technique field specifically is coke oven flue gas desulfurization deNOx systems.
Background
In the production process of the coke oven, a heating system of the coke oven burns fuel gas to obtain enough heat for dry distillation of coal in a coking chamber of the coke oven, a certain amount of NOx is generated due to high temperature in the combustion process of the fuel gas, sulfur in the fuel gas is oxidized into SO2, the NOx and the SO2 are discharged along with waste gas generated by combustion through a flue of the coke oven, and if effective measures are not taken to purify flue gas of the coke oven, serious pollution is caused to the atmospheric environment. The purification of the coke oven flue gas generally refers to the removal of NOx and SO2 in the flue gas, i.e. the desulfurization and denitrification treatment of the coke oven flue gas.
However, most of flue gas subjected to denitration and desulfurization treatment in the coke oven flue gas denitration and desulfurization system on the market at present is directly discharged, and solid impurities in the flue gas are difficult to separate in time, so that the coke oven flue gas is not thoroughly purified. In addition, in the process of desulfurization and denitrification of the coke oven flue gas, the manual addition of a desulfurization and denitrification agent is often required, which is not convenient enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coke oven flue gas desulfurization and denitrification system to propose coke oven flue gas denitration and desulfurization system on the market at present in solving above-mentioned background art, the flue gas after denitration desulfurization treatment is the most direct emission, and solid impurity wherein is difficult to in time separate, leads to coke oven gas cleaning not thorough. In addition, in the process of desulfurization and denitrification of the coke oven flue gas, the manual addition of a desulfurization and denitrification agent is often required, so that the problem of inconvenience is solved.
In order to achieve the above object, the utility model provides a following technical scheme: the coke oven flue gas desulfurization and denitrification system comprises a desulfurization and denitrification box, wherein a smoke inlet pipeline is installed inside the desulfurization and denitrification box through a fixing piece, the inside of the desulfurization and denitrification box is divided into three parts through a partition plate, the smoke inlet pipeline extends to the bottom of the partition plate, a stirring mechanism is arranged inside the desulfurization and denitrification box, an additive adding mechanism extending to the bottom of the partition plate is arranged at the top of the desulfurization and denitrification box, an electric fan installed on the inner wall of the desulfurization and denitrification box is arranged on the side surface of the partition plate, a filtering mechanism is arranged at the top of the electric fan, an exhaust pipeline is arranged at the top of the filtering mechanism, an automatic switch mechanism is arranged at the top of the partition plate, a PLC control panel is arranged on the side surface of the desulfurization and denitrification box, and the stirring mechanism, the additive adding mechanism, the electric fan, the filtering mechanism and the automatic switch mechanism are respectively and electrically connected with the PLC control panel.
Preferably, the stirring mechanism comprises a stirring motor, a driving shaft, a connecting snap ring and stirring blades, the stirring motor is installed at the top of the desulfurization and denitrification box, the output end of the stirring motor is connected with the driving shaft, the driving shaft is rotatably connected with the bottom in the desulfurization and denitrification box, the connecting snap ring is fixedly installed on the outer side of the driving shaft, and the stirring blades are arranged on the outer side of the connecting snap ring.
Preferably, the connection buckle ring is provided with two groups, the outer side of the stirring blade is in an annular equidistant mode and is arranged on the outer side of the driving shaft and is provided with four groups.
Preferably, the additive adding mechanism comprises an additive adding box, a transmission pipeline and a flow rate control valve, the additive adding box is installed at the top of the desulfurization and denitrification box, the transmission pipeline is connected to an outlet of the additive adding box, the flow rate control valve installed on the side face of the desulfurization and denitrification box is arranged on the outer side of the transmission pipeline, and the bottom of the transmission pipeline extends to the bottom of the partition plate.
Preferably, filtering mechanism includes rose box, installation frame, filter screen and condenser, the side at SOx/NOx control incasement wall and baffle is installed to the rose box, the inside fixed mounting of rose box has the installation frame, the internally mounted of installation frame has the filter screen, the top of installation frame is provided with the condenser that is located the rose box inner wall.
Preferably, automatic formula on-off mechanism includes mount pad, cylinder, telescopic link, fixed subassembly, baffle and positioning seat, mount pad fixed mounting is at the top of baffle, the cylinder is installed at the top of mount pad, the output of cylinder is connected with the telescopic link, the structural shape of telescopic link is "T" shape and its side-mounting has fixed subassembly, the baffle is installed to fixed subassembly's bottom, the baffle extends to in the positioning seat of SOx/NOx control incasement bottom.
Compared with the prior art, the beneficial effects of the utility model are that: this coke oven flue gas desulfurization and denitrification system, through the design that the additive adds mechanism and filtering mechanism internals, can filter the separation to harmful gas in the flue gas (NOx, SO2 and other harmful gas), accomplish SOx/NOx control and the purification operation to the flue gas, guarantee that exhaust flue gas can not the polluted environment, cooperate the design that rabbling mechanism and additive added mechanism internals simultaneously, can evenly advance the interpolation to the additive, guarantee the efficiency when carrying out SOx/NOx control operation, need not workman manual interpolation, convenience more.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged schematic view of point A of FIG. 1 according to the present invention;
fig. 4 is the schematic diagram of the internal structure of the automatic switch mechanism of the present invention.
In the figure: 1. a desulfurization and denitrification box; 2. a fixing member; 3. a smoke inlet pipeline; 4. a partition plate; 5. a stirring mechanism; 501. a stirring motor; 502. a drive shaft; 503. connecting a retaining ring; 504. a stirring blade; 6. an additive addition mechanism; 601. an additive addition tank; 602. a transport pipeline; 603. a flow rate control valve; 7. an electric fan; 8. a filtering mechanism; 801. a filter box; 802. a mounting frame; 803. a filter screen; 804. a condenser; 9. an exhaust duct; 10. an automatic switch mechanism; 1001. a mounting base; 1002. a cylinder; 1003. a telescopic rod; 1004. a fixing component; 1005. a baffle plate; 1006. positioning seats; 11. and a PLC control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Referring to fig. 1-4, the present invention provides a technical solution: the coke oven flue gas desulfurization and denitrification system comprises a desulfurization and denitrification box 1, wherein a gas inlet pipeline 3 is installed inside the desulfurization and denitrification box 1 through a fixing piece 2, the inside of the desulfurization and denitrification box 1 is divided into three parts through a partition plate 4, the gas inlet pipeline 3 extends to the bottom of the partition plate 4, and a stirring mechanism 5 is arranged inside the desulfurization and denitrification box 1;
wherein, rabbling mechanism 5 includes agitator motor 501, drive shaft 502, connect buckle 503 and stirring vane 504, agitator motor 501 installs at the top of SOx/NOx control case 1, agitator motor 501's output is connected with drive shaft 502, the bottom rotates in drive shaft 502 and the SOx/NOx control case 1 and connects, the outside fixed mounting of drive shaft 502 has connection buckle 503, the outside of connecting buckle 503 is provided with stirring vane 504, it is provided with two sets ofly to connect the buckle 503, stirring vane 504's the outside is the setting of annular equidistance in the outside of drive shaft 502 and is provided with four sets.
Further, through the design of the stirring motor 501, the driving shaft 502, the connecting retaining ring 503 and the stirring blade 504 in the stirring mechanism 5, the mixing efficiency of NOx, SO2 and additives in the flue gas is improved.
The top of the desulfurization and denitrification box 1 is provided with an additive adding mechanism 6 extending to the bottom of the partition plate 4;
the additive adding mechanism 6 comprises an additive adding box 601, a transmission pipeline 602 and a flow rate control valve 603, the additive adding box 601 is installed at the top of the desulfurization and denitrification box 1, the transmission pipeline 602 is connected to an outlet of the additive adding box 601, the flow rate control valve 603 installed on the side face of the desulfurization and denitrification box 1 is arranged on the outer side of the transmission pipeline 602, and the bottom of the transmission pipeline 602 extends to the bottom of the partition plate 4.
Further, by the design of the additive adding tank 601, the transmission pipeline 602 and the flow rate control valve 603 inside the additive adding mechanism 6, the additives for removing NOx and SO2 can be automatically and uniformly added.
An electric fan 7 arranged on the inner wall of the desulfurization and denitrification box 1 is arranged on the side surface of the partition plate 4, a filtering mechanism 8 is arranged at the top of the electric fan 7, and an exhaust pipeline 9 is arranged at the top of the filtering mechanism 8;
the filtering mechanism 8 comprises a filtering box 801, an installation frame 802, a filter screen 803 and a condenser 804, wherein the filtering box 801 is installed on the inner wall of the desulfurization and denitrification box 1 and the side surface of the partition plate 4, the installation frame 802 is fixedly installed inside the filtering box 801, the filter screen 803 is installed inside the installation frame 802, and the condenser 804 on the inner wall of the filtering box 801 is arranged at the top of the installation frame 802.
Further, through the design of the filter tank 801, the mounting frame 802, the filter screen 803 and the condenser 804 inside the filtering mechanism 8, the caking treatment can be performed on other harmful gases in the flue gas for removing NOx and SO2, and the separation of harmful impurities in the flue gas is completed.
The top of the clapboard 4 is provided with an automatic switch mechanism 10;
wherein, automatic formula on-off mechanism 10 includes mount pad 1001, cylinder 1002, telescopic link 1003, fixed subassembly 1004, baffle 1005 and positioning seat 1006, mount pad 1001 fixed mounting is at the top of baffle 4, cylinder 1002 is installed at the top of mount pad 1001, the output of cylinder 1002 is connected with telescopic link 1003, the structural shape of telescopic link 1003 is "T" shape and its side-mounting has fixed subassembly 1004, baffle 1005 is installed to fixed subassembly 1004's bottom, baffle 1005 extends to in the positioning seat 1006 of bottom in SOx/NOx control case 1.
Further, through the design of the internal mounting seat 1001, the cylinder 1002, the telescopic rod 1003, the fixing component 1004, the baffle 1005 and the positioning seat 1006 of the automatic opening and closing mechanism 10, the bottom of the partition board 4 can be sealed, and the effect of removing NOx and SO2 in the flue gas by the additive is improved.
The side of SOx/NOx control case 1 is provided with PLC control panel 11, and rabbling mechanism 5, additive add mechanism 6, electric fan 7, filtering mechanism 8 and automatic formula on-off mechanism 10 respectively with PLC control panel 11 electric connection.
Further, through PLC control panel 11's design, more intelligence and convenience when carrying out the operation is detached to impurity in the flue gas.
The working principle is as follows: when the operation is performed on NOx, SO2 and other harmful gases in the flue gas, the flue gas in the coke oven flue enters the bottom of the partition plate 4 through the flue gas inlet pipeline 3, the flow rate control valve 603 is opened through the PLC control panel 11, and the desulfurization and denitrification in the additive adding box 601 are moved to the bottom of the partition plate 4 through the transmission pipeline 602;
meanwhile, the stirring motor 501 is started again through the PLC control panel 11 to operate, the driving shaft 502 and the connecting retaining ring 503 connected with the output end of the stirring motor are driven to rotate, and then the plurality of groups of stirring blades 504 are driven to rotate, SO that the additive and the flue gas are stirred and mixed, and the efficiency of removing NOx and SO2 is improved;
after a period of time (3 min), start cylinder 1002 through PLC control panel 11 and operate, drive the telescopic link 1003 and the fixed subassembly 1004 that its output is connected and move, and then drive the fixed baffle 1005 in fixed subassembly 1004 bottom and reciprocate, remove the sealed to baffle 4, make the flue gas accessible electric fan 7 through getting rid of the operation move to the inside of rose box 801, through the effect of condenser 804, can carry out the condensation caking to the harmful gas in this flue gas, and fall on the top of filter screen 803, the flue gas after the filtration can be discharged along exhaust pipe 9.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Coke oven flue gas SOx/NOx control system, including SOx/NOx control case (1), its characterized in that: flue pipe way (3) are installed into through mounting (2) in the inside of SOx/NOx control case (1), the inside of SOx/NOx control case (1) is divided into the three through baffle (4), it extends to the bottom of baffle (4) to advance flue pipe way (3), the inside of SOx/NOx control case (1) is provided with rabbling mechanism (5), the top of SOx/NOx control case (1) is provided with the additive that extends to baffle (4) bottom and adds mechanism (6), the side of baffle (4) is provided with electric fan (7) of installing at SOx/NOx control case (1) inner wall, the top of electric fan (7) is provided with filtering mechanism (8), the top of filtering mechanism (8) is provided with exhaust pipe (9), the top of baffle (4) is provided with automatic formula on-off mechanism (10), the side of SOx/NOx control case (1) is provided with PLC control panel (11), rabbling mechanism (5), additive add mechanism (6), electric fan (7), filtering mechanism (8) and automatic formula on-off mechanism (10) respectively with PLC control panel (11) electric connection.
2. The coke oven flue gas desulfurization and denitrification system of claim 1, wherein: the stirring mechanism (5) comprises a stirring motor (501), a driving shaft (502), a connecting retaining ring (503) and stirring blades (504), wherein the stirring motor (501) is installed at the top of the desulfurization and denitrification box (1), the output end of the stirring motor (501) is connected with the driving shaft (502), the bottom of the driving shaft (502) is rotatably connected with the bottom of the desulfurization and denitrification box (1), the connecting retaining ring (503) is fixedly installed on the outer side of the driving shaft (502), and the stirring blades (504) are arranged on the outer side of the connecting retaining ring (503).
3. The coke oven flue gas desulfurization and denitrification system of claim 2, wherein: the connecting retaining rings (503) are provided with two groups, and the outer sides of the stirring blades (504) are arranged on the outer side of the driving shaft (502) in an annular and equidistant mode and are provided with four groups.
4. The coke oven flue gas desulfurization and denitrification system of claim 1, wherein: the additive adding mechanism (6) comprises an additive adding box (601), a transmission pipeline (602) and a flow rate control valve (603), the additive adding box (601) is installed at the top of the desulfurization and denitrification box (1), the transmission pipeline (602) is connected to the outlet of the additive adding box (601), the flow rate control valve (603) installed on the side face of the desulfurization and denitrification box (1) is arranged on the outer side of the transmission pipeline (602), and the bottom of the transmission pipeline (602) extends to the bottom of the partition plate (4).
5. The coke oven flue gas desulfurization and denitrification system of claim 1, wherein: filtering mechanism (8) include rose box (801), installation frame (802), filter screen (803) and condenser (804), the side at SOx/NOx control case (1) inner wall and baffle (4) is installed in rose box (801), the inside fixed mounting of rose box (801) has installation frame (802), the internally mounted of installation frame (802) has filter screen (803), the top of installation frame (802) is provided with condenser (804) that are located rose box (801) inner wall.
6. The coke oven flue gas desulfurization and denitrification system of claim 1, wherein: the automatic switch mechanism (10) comprises a mounting seat (1001), a cylinder (1002), an expansion link (1003), a fixing component (1004), a baffle (1005) and a positioning seat (1006), wherein the mounting seat (1001) is fixedly mounted at the top of a partition plate (4), the cylinder (1002) is mounted at the top of the mounting seat (1001), the output end of the cylinder (1002) is connected with the expansion link (1003), the expansion link (1003) is in a T shape, the side surface of the expansion link is provided with the fixing component (1004), the baffle (1005) is mounted at the bottom of the fixing component (1004), and the baffle (1005) extends into the positioning seat (1006) at the bottom in the desulfurization and denitrification box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858866.9U CN218573279U (en) | 2022-10-28 | 2022-10-28 | Coke oven flue gas desulfurization and denitrification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858866.9U CN218573279U (en) | 2022-10-28 | 2022-10-28 | Coke oven flue gas desulfurization and denitrification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218573279U true CN218573279U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222858866.9U Active CN218573279U (en) | 2022-10-28 | 2022-10-28 | Coke oven flue gas desulfurization and denitrification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218573279U (en) |
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2022
- 2022-10-28 CN CN202222858866.9U patent/CN218573279U/en active Active
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