CN217077106U - Processing system applied to sintering flue gas ammonia desulphurization mother liquor tank - Google Patents
Processing system applied to sintering flue gas ammonia desulphurization mother liquor tank Download PDFInfo
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- CN217077106U CN217077106U CN202220219557.4U CN202220219557U CN217077106U CN 217077106 U CN217077106 U CN 217077106U CN 202220219557 U CN202220219557 U CN 202220219557U CN 217077106 U CN217077106 U CN 217077106U
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Abstract
The utility model provides a be applied to processing system in sintering flue gas ammonia process desulfurization mother liquor groove, include: the device comprises a sintering flue gas ammonia desulphurization mother liquor tank, a direct-current aeration device arranged at the bottom of the sintering flue gas ammonia desulphurization mother liquor tank, and a direct-current aeration mother pipe connected with the direct-current aeration device. The direct current aeration apparatus comprises: the device comprises an outer barrel, an inner barrel arranged in the outer barrel and a gas pipe penetrating through the side wall of the outer barrel; the edge of the inner cylinder is connected with the inner wall of the outer cylinder; the inner cylinder comprises an upper cylinder and a lower cylinder, the lower edge of the upper cylinder is connected with the upper edge of the lower cylinder, the upper cylinder is funnel-shaped, and the lower cylinder is horn-mouth-shaped; the air inlet end of the air conveying pipe penetrates through the side wall of the outer barrel, and the air outlet end of the air conveying pipe extends downwards from the upper part of the upper barrel to the joint of the upper barrel and the lower barrel. And stirring the sludge deposited at the bottom of the sintering flue gas ammonia desulphurization mother liquor tank by using compressed air. The system has the advantages of low investment, flexible arrangement, safety and reliability, and is matched with a sludge sedimentation system to complete the online treatment of the sludge without extra shutdown and maintenance.
Description
Technical Field
The utility model relates to a sintering technology field, concretely relates to be applied to processing system in sintering flue gas ammonia process desulfurization mother liquor groove.
Background
At present, aiming at the problem of sludge deposition in sintering and pelletizing flue gas ammonia desulfurization tanks, the treatment method of most enterprises in the industry is to stop and arrange maintainers to enter the tanks and clear up sludge in the tanks after an overhaul period is separated, so that the problems of severe operation environment, high construction difficulty, high safety risk and the like exist, the cleaning site is not well controlled, and the surrounding environment is easily influenced.
In summary, the following problems exist in the prior art: how to safely and effectively clean sludge deposited in sintering and pellet flue gas ammonia desulfurization tanks.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of how to safely and effectively clean the sludge deposited in the sintering and pelletizing flue gas ammonia desulphurization tank.
In order to achieve the above object, the utility model provides a be applied to processing system in sintering flue gas ammonia process desulfurization mother liquor groove, include: the device comprises a sintering flue gas ammonia desulphurization mother liquor tank, a direct-flow aeration device arranged at the bottom of the sintering flue gas ammonia desulphurization mother liquor tank, and a direct-flow aeration mother pipe connected with the direct-flow aeration device.
Specifically, the direct current aeration apparatus includes:
the device comprises an outer barrel, an inner barrel arranged in the outer barrel and a gas delivery pipe penetrating through the side wall of the outer barrel;
the edge of the inner cylinder is connected with the inner wall of the outer cylinder; the inner cylinder comprises an upper cylinder and a lower cylinder, the lower edge of the upper cylinder is connected with the upper edge of the lower cylinder, the upper cylinder is funnel-shaped, and the lower cylinder is horn-mouth-shaped;
the air inlet end of the air conveying pipe penetrates through the side wall of the outer barrel, and the air outlet end of the air conveying pipe extends downwards from the upper part of the upper barrel to the joint of the upper barrel and the lower barrel.
Specifically, the direct-current aeration main pipe is connected with an air pump for compressing air, and the air pump is arranged outside the sintering flue gas ammonia desulphurization main liquid tank.
Specifically, the diameter of the lower end port of the lower barrel is larger than that of the upper end port of the upper barrel.
Specifically, the diameter of the lower end opening of the lower barrel is 1.5-2.5 times of the diameter of the upper end opening of the upper barrel.
Specifically, the gas conveying pipe is of a broken line type.
Specifically, the number of the direct-current aeration devices is multiple, each gas pipe is communicated with a direct-current aeration main pipe, and the direct-current aeration main pipes are arranged outside the direct-current aeration devices.
Specifically, the direct-current aeration main pipe is uniformly arranged at the bottom of the sintering flue gas ammonia desulphurization mother liquor tank along the circumferential direction.
Specifically, the direct-current aeration main pipe comprises a hexagonal vertical section, and the vertical section vertically extends into the bottom of the sintering flue gas ammonia desulphurization mother liquor tank.
The utility model has the advantages that: the utility model discloses a direct current aeration equipment equipartition utilizes compressed air as the power supply in the bottom of sintering, pelletizing flue gas ammonia process desulfurization mother liquor groove, jar, causes direct current aeration equipment through polymer polyethylene or FRP pipe way, carries out the intensive mixing to ammonia process desulfurization system groove, tank bottoms portion, realizes that groove, tank bottoms portion do not have the silt to deposit, and partial ammonium sulfite is by oxidation into the ammonium sulfate simultaneously. The utility model has the advantages of the small investment, arrange nimble, safe and reliable, take up an area of for a short time, cooperate outside sludge sedimentation system simultaneously, can accomplish mud on-line treatment, do not need additionally to shut down and overhaul, when reducing equipment and stopping, improve equipment utilization ratio can reduce the mother liquor simultaneously and contain solid volume, improves the ammonium sulfite oxidation rate to reduce the outer particulate matter index of arranging, reach the purpose of high-efficient production.
Drawings
FIG. 1 is a schematic structural diagram of a single direct current aeration device applied to a treatment system of a sintering flue gas ammonia desulphurization mother liquor tank according to an embodiment of the present invention in a front view;
FIG. 2 is a layout diagram of a plurality of direct current aeration devices applied to a treatment system of a sintering flue gas ammonia desulphurization mother liquor tank provided by the embodiment of the utility model.
The reference numbers illustrate:
1. an outer cylinder; 2. an inner barrel; 3. a gas delivery pipe; 4. the bottom of the sintering flue gas ammonia desulphurization mother liquor tank; 5. a direct current aeration main pipe; 10. a direct current aeration device; 21. feeding the cylinder; 22. and (5) discharging the barrel.
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 efforts all belong to the protection scope of the present invention.
In the embodiment of the present invention, as shown in fig. 1, a processing system applied to a sintering flue gas ammonia desulphurization mother liquor tank is provided, which includes: the device comprises a sintering flue gas ammonia desulphurization mother liquor tank, a direct-current aeration device 10 arranged at the bottom 4 of the sintering flue gas ammonia desulphurization mother liquor tank, and a direct-current aeration mother pipe 5 connected with the direct-current aeration device 10.
The direct-flow aeration apparatus 10 includes:
the device comprises an outer cylinder 1, an inner cylinder 2 arranged in the outer cylinder 1 and a gas pipe 3 penetrating through the side wall of the outer cylinder 1;
the edge of the inner cylinder 2 is connected with the inner wall of the outer cylinder 1; the inner cylinder 2 comprises an upper cylinder 21 and a lower cylinder 22, the lower edge of the upper cylinder 21 is connected with the upper edge of the lower cylinder 22, the upper cylinder 21 is funnel-shaped, and the lower cylinder 22 is horn-shaped; when the compressed air is favorably sprayed downwards, the slurry on the upper part is easily sucked into the cavity openings of the diameters of the upper cylinder and the lower cylinder by the compressed air, and the lower cylinder 22 is in a horn shape, so that the slurry sprayed from the upper part and the compressed air gas-liquid mixture are favorably stirred to obtain larger sludge area at the bottom of the tank.
The air inlet end of the air conveying pipe 3 penetrates through the side wall of the outer barrel 1, and the air outlet end of the air conveying pipe 3 extends downwards from the upper part of the upper barrel 21 to the joint of the upper barrel 21 and the lower barrel 22. The gas pipe and the side wall of the direct current aeration device are connected by flanges. The other end of the gas pipe faces the sludge at the bottom of the direct current aeration device. The gas pipe extends into the middle of the inner barrel at the middle part above the upper barrel and is positioned at the joint of the upper barrel and the lower barrel.
The direct-current aeration main pipe 5 is connected with an air pump for (providing) compressed air, and the air pump is arranged outside the sintering flue gas ammonia desulphurization main liquid tank.
The diameter of the lower end opening of the lower cylinder 22 is larger than that of the upper end opening of the upper cylinder 21. The stirring of the slurry sprayed from the upper part and the gas-liquid mixture of the compressed air is facilitated, and the larger sludge area at the bottom of the tank is obtained.
The diameter of the lower end opening of the lower barrel 22 is 1.5-2.5 times of the diameter of the upper end opening of the upper barrel 21. Is beneficial to effectively playing the stirring role of the compressed air.
The gas pipe 3 is of a broken line type. Compressed air is introduced through a gas pipe 3 of the direct current aeration device; the sludge is agitated by the pressure of the compressed air. And in the daily discharging process of the desulfurization system, the stirred sludge is conveyed to a sludge sedimentation tank or other storage tanks together with the mother liquor.
The gas pipe 3 is communicated with the direct-flow aeration main pipe 5, and the direct-flow aeration main pipe 5 is arranged outside the direct-flow aeration device 10.
The number of the direct-current aeration devices 10 is multiple, wherein each gas pipe 3 is communicated with a direct-current aeration main pipe 5, and the direct-current aeration main pipe 5 is arranged outside the direct-current aeration devices 10. Evenly stirring the sludge at the bottom of the tank.
The direct-current aeration main pipe 5 is uniformly arranged at the bottom 4 of the sintering flue gas ammonia desulphurization main liquid tank along the circumferential direction. As shown in FIG. 2, compressed air is delivered to the air delivery pipes 3 (straight aeration branch pipes) through the straight aeration parent pipe 5. Compressed air with the pressure of 0.2-0.6 Mpa is used as a power source to continuously stir liquid in the tank and the tank, so that the aim of no sludge precipitation at the bottom of the tank and the tank is fulfilled. And controlling the pressure of the compressed air to be 0.2-0.6 Mpa. Is beneficial to effectively stirring the sludge. The gas consumption of each direct current aeration device is 0.5-2 m 3 And the flow is suitable for sintering and pelletizing flue gas ammonia desulphurization mother liquor tanks. The direct current aeration main pipe 5 can be shapedBecome the round and evenly arrange in sintering flue gas ammonia process desulfurization mother liquor tank bottom 4 along circumference, also can form the multiturn, for example for two circles, evenly arrange in sintering flue gas ammonia process desulfurization mother liquor tank bottom 4, like this, it is more even to the stirring of mother liquor tank bottom.
The direct-current aeration main pipe 5 comprises a hexagonal vertical section, and the vertical section vertically extends into the bottom of the sintering flue gas ammonia desulphurization mother liquor tank. The mother liquid tank is round, and the vertical section is hexagonal, such as regular hexagon, which is beneficial to the uniform distribution of all the direct current aeration devices at the bottom of the mother liquid tank of the round desulfurizing tower or tank.
The utility model discloses a direct current aeration equipment equipartition utilizes compressed air as the power supply in the bottom of sintering, pelletizing flue gas ammonia process desulfurization mother liquor groove, jar, causes direct current aeration equipment through polymer polyethylene or FRP pipe way, carries out the intensive mixing to ammonia process desulfurization system groove, tank bottoms portion, realizes that groove, tank bottoms portion do not have the silt to deposit, and partial ammonium sulfite is by oxidation into the ammonium sulfate simultaneously. The utility model has the advantages of the small investment, arrange nimble, safe and reliable, take up an area of for a short time, cooperate outside sludge sedimentation system simultaneously, can accomplish mud on-line treatment, do not need additionally to shut down and overhaul, when reducing equipment and stopping, improve equipment utilization ratio can reduce the mother liquor simultaneously and contain solid volume, improves the ammonium sulfite oxidation rate to reduce the outer particulate matter index of arranging, reach the purpose of high-efficient production.
Example 1:
the utility model provides a be applied to processing system in sintering flue gas ammonia process desulfurization mother liquor groove, as shown in figure 1, the utility model discloses be applied to the sintering, 4 mud stirring and thick liquid oxidation of pelletizing flue gas ammonia process desulfurization mother liquor groove bottom, utilize direct current aeration equipment 10 to the groove, tank bottoms portion sedimentary mud stirs, make it form the mixture with desulfurization mother liquor, defeated outward to mud sedimentation tank or other storage tanks along with the mother liquor at the daily ejection of compact process of desulfurization system, ensure not have the mud deposit in the tower, mud content also is in lower steady level in the mother liquor, and simultaneously, the medium that direct current aeration used is compressed air, oxygen among the aeration stirring process compressed air can oxidize the partial ammonium sulfite in the mother liquor, thereby reach the effect of strengthening the sub-salt oxidation.
The utility model discloses a direct current aeration equipment constitute by inside and outside barrel, adopt polymer polyethylene or glass steel material, the urceolus is aeration equipment supporting framework, and the inner tube divides barrel footpath and lower barrel footpath two parts, goes up the barrel footpath and is the infundibulate, and lower barrel footpath is the horn mouth type, and lower barrel footpath lower part port diameter is about 1.5 ~ 2.5 times of last barrel footpath upper portion port diameter, and the compressed air pipe connector is supreme, lower barrel footpath junction.
As shown in figure 2, the utility model discloses with direct current aeration equipment evenly arranged groove, jar lower part, aeration equipment bottom is from groove, tank bottoms board 35cm, utilizes 0.2Mpa ~ 0.6 Mpa's compressed air as aeration medium and power supply, carries out intensive mixing to the solution of groove, tank bottoms portion. And in the daily discharging process of the desulfurization system, the stirred sludge is conveyed to a sludge sedimentation tank or other storage tanks together with the mother liquor.
The utility model discloses to adopt the direct current aeration equipment equipartition in groove, tank bottoms portion, utilize the compressed air of 0.2Mpa-0.6Mpa pressure as the power supply, lead to direct current aeration equipment through polymer polyethylene or FRP pipe way (breathing pipe), carry out the intensive mixing to ammonia process desulfurization system groove, tank bottoms portion, realize that groove, tank bottoms portion do not have silt to deposit, partial ammonium sulfite is by oxidation into ammonium sulfate simultaneously. The technology has the advantages of low investment, flexible arrangement, safety, reliability, small occupied area and the like, can complete the online treatment of sludge by matching with an external sludge settling system, does not need extra shutdown maintenance, reduces the shutdown time of equipment, improves the utilization rate of the equipment, can reduce the solid content of mother liquor and improves the oxidation rate of ammonium sulfite, thereby reducing the index of discharged particulate matters and achieving the aim of high-efficiency production.
Before the device is put into use, the solid content of mother liquor in a tank and a tank is 10-12%, and the primary oxidation rate of slurry is 70-80%; after the device is used, the solid content of the mother liquor in the tank and the tank can be stabilized at 0.05 percent for a long time, the primary oxidation rate of the slurry can be stably improved to 85-90 percent, and the discharged particulate matters of the system can be synchronously reduced by 3-5 mg/Nm 3 。
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. For the utility model discloses a each component can make up each other under the condition of conflict not, and any technical personnel in the field do not deviate from the utility model discloses an equal change and the modification made under the prerequisite of the design and principle all should belong to the scope of the protection of the utility model.
Claims (9)
1. The utility model provides a be applied to processing system in sintering flue gas ammonia process desulfurization mother liquor groove which characterized in that includes: the device comprises a sintering flue gas ammonia desulphurization mother liquor tank, a direct-flow aeration device (10) arranged at the bottom of the sintering flue gas ammonia desulphurization mother liquor tank, and a direct-flow aeration mother pipe (5) connected with the direct-flow aeration device (10).
2. The treatment system applied to the mother liquor tank for the ammonia desulphurization of the sintering flue gas as set forth in claim 1, wherein the direct-flow aeration device (10) comprises:
the device comprises an outer cylinder (1), an inner cylinder (2) arranged in the outer cylinder (1) and a gas pipe (3) penetrating through the side wall of the outer cylinder (1);
the edge of the inner cylinder (2) is connected with the inner wall of the outer cylinder (1); the inner cylinder (2) comprises an upper cylinder (21) and a lower cylinder (22), the lower edge of the upper cylinder (21) is connected with the upper edge of the lower cylinder (22), the upper cylinder (21) is funnel-shaped, and the lower cylinder (22) is horn-mouth-shaped;
the air inlet end of the air conveying pipe (3) penetrates through the side wall of the outer barrel (1), and the air outlet end of the air conveying pipe (3) extends downwards to the connecting position of the upper barrel (21) and the lower barrel (22) from the upper part of the upper barrel (21).
3. The treatment system applied to the ammonia desulphurization mother liquor tank for the sintering flue gas as set forth in claim 1, wherein the direct-current aeration mother pipe (5) is connected with an air pump for compressing air, and the air pump is arranged outside the ammonia desulphurization mother liquor tank for the sintering flue gas.
4. The treatment system applied to the mother liquor tank for ammonia desulphurization of sintering flue gas as recited in claim 2, characterized in that the diameter of the lower end opening of the lower cylinder (22) is larger than that of the upper end opening of the upper cylinder (21).
5. The treatment system applied to the mother liquor tank for ammonia desulphurization of sintering flue gas as set forth in claim 2, wherein the diameter of the lower end opening of the lower cylinder (22) is 1.5-2.5 times of the diameter of the upper end opening of the upper cylinder (21).
6. The treatment system applied to the ammonia desulphurization mother liquor tank for the sintering flue gas as set forth in claim 2, wherein the gas transmission pipe (3) is of a broken line type.
7. The treatment system applied to the mother liquor tank for ammonia desulphurization of sintering flue gas as recited in claim 2, wherein the number of the direct-flow aeration devices (10) is multiple, wherein each gas transmission pipe (3) is communicated with the direct-flow aeration mother pipe (5), and the direct-flow aeration mother pipe (5) is arranged outside the direct-flow aeration devices (10).
8. The treatment system applied to the ammonia desulphurization mother liquor tank for the sintering flue gas as recited in claim 6, wherein the direct current aeration mother pipes (5) are uniformly arranged at the bottom (4) of the ammonia desulphurization mother liquor tank for the sintering flue gas along the circumferential direction.
9. The treatment system applied to the ammonia desulphurization mother liquor tank for the sintering flue gas as recited in claim 6, wherein the direct-flow aeration mother pipe (5) comprises a hexagonal vertical section which vertically extends into the bottom of the ammonia desulphurization mother liquor tank for the sintering flue gas.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220219557.4U CN217077106U (en) | 2022-01-26 | 2022-01-26 | Processing system applied to sintering flue gas ammonia desulphurization mother liquor tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220219557.4U CN217077106U (en) | 2022-01-26 | 2022-01-26 | Processing system applied to sintering flue gas ammonia desulphurization mother liquor tank |
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| CN202220219557.4U Active CN217077106U (en) | 2022-01-26 | 2022-01-26 | Processing system applied to sintering flue gas ammonia desulphurization mother liquor tank |
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