CN210385465U - Dry method tower slaked lime and active carbon injection device - Google Patents
Dry method tower slaked lime and active carbon injection device Download PDFInfo
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- CN210385465U CN210385465U CN201920798038.6U CN201920798038U CN210385465U CN 210385465 U CN210385465 U CN 210385465U CN 201920798038 U CN201920798038 U CN 201920798038U CN 210385465 U CN210385465 U CN 210385465U
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Abstract
The utility model relates to a dry method tower, in particular to a dry method tower slaked lime and active carbon injection device. The device comprises a dry method tower, a slaked lime storage bin, a slaked lime feeding bin, a first three-way pipe, an active carbon bin and a second three-way pipe. The slaked lime storage bin is provided with a blanking machine which is communicated with a slaked lime feeding bin, the slaked lime feeding bin is provided with a slaked lime spiral quantitative feeder, the slaked lime spiral quantitative feeder is connected with a first three-way pipe, the first three-way pipe is connected with a dry method tower, the first three-way pipe is connected with a first air inlet pipe, and a first injection fan is arranged on the first air inlet pipe. The active carbon bin is provided with an active carbon spiral quantitative feeder, the active carbon spiral quantitative feeder is connected with a second three-way pipe, the second three-way pipe is connected with a dry method tower, the second three-way pipe is connected with a second air inlet pipe, and a second injection fan is arranged on the second air inlet pipe. It is characterized in that a steam pipe is arranged in the slaked lime storage bin. The slaked lime in the injection device can not be hardened, and the feeding efficiency is higher.
Description
Technical Field
The utility model relates to a dry method tower, in particular to a dry method tower slaked lime and active carbon injection device for feeding slaked lime and active carbon into the dry method tower.
Background
The dry tower, i.e. dry desulfurizing tower, is a device for removing sulfur-containing substances in flue gas. The dry towers all have injection devices for feeding slaked lime and activated carbon into the tower body.
At present, a slaked lime and activated carbon injection device of a dry tower used in the industry comprises the dry tower, a slaked lime storage bin, a slaked lime feeding bin, a first three-way pipe, an activated carbon bin and a second three-way pipe. The bottom of the slaked lime storage bin is provided with a horizontally arranged blanking machine, the outlet of the blanking machine is communicated with a slaked lime feeding bin through a discharge valve, the bottom of the slaked lime feeding bin is provided with a horizontally arranged slaked lime screw quantitative feeder, the outlet of the slaked lime screw quantitative feeder is connected with the upper interface of the first three-way pipe, one side interface of the first three-way pipe is connected with the dry method tower through a first discharge pipe, the other side interface of the first three-way pipe is connected with a first air inlet pipe, and the first air inlet pipe is provided with a first injection fan. The bottom of the activated carbon bin is provided with an activated carbon spiral quantitative feeder which is horizontally arranged, the outlet of the activated carbon spiral quantitative feeder is connected with the upper connector of the second three-way pipe, one side connector of the second three-way pipe is connected with the dry method tower through a second discharge pipe, the other side connector of the second three-way pipe is connected with a second air inlet pipe, and a second jet fan is arranged on the second air inlet pipe. The slaked lime in the slaked lime storage bin of the dry method tower is stored at normal temperature, the storage temperature is low, and the slaked lime is easy to harden, so that the feeding efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a dry process tower lime hydrate and active carbon injection apparatus, lime hydrate among this injection apparatus can not harden, and pay-off efficiency is higher.
In order to solve the problems, the following technical scheme is provided:
the utility model discloses a dry process tower lime hydrate and active carbon injection apparatus includes dry process tower, lime hydrate storage silo, lime hydrate pay-off storehouse, first three-way pipe, active carbon feed bin and second three-way pipe. The bottom of the slaked lime storage bin is provided with a horizontally arranged blanking machine, the outlet of the blanking machine is communicated with a slaked lime feeding bin through a discharge valve, the bottom of the slaked lime feeding bin is provided with a horizontally arranged slaked lime screw quantitative feeder, the outlet of the slaked lime screw quantitative feeder is connected with the upper interface of the first three-way pipe, one side interface of the first three-way pipe is connected with the dry method tower through a first discharge pipe, the other side interface of the first three-way pipe is connected with a first air inlet pipe, and the first air inlet pipe is provided with a first injection fan. The bottom of the activated carbon bin is provided with an activated carbon spiral quantitative feeder which is horizontally arranged, the outlet of the activated carbon spiral quantitative feeder is connected with the upper connector of the second three-way pipe, one side connector of the second three-way pipe is connected with the dry method tower through a second discharge pipe, the other side connector of the second three-way pipe is connected with a second air inlet pipe, and a second jet fan is arranged on the second air inlet pipe. The lime hydrate storage bin is characterized in that a steam pipe which is spirally arranged is arranged in the lime hydrate storage bin from top to bottom, the upper end and the lower end of the steam pipe penetrate through the side wall of the lime hydrate storage bin and extend out of the lime hydrate storage bin, and the steam pipe is hermetically connected with the side wall of the lime hydrate storage bin.
The top of the slaked lime storage bin is provided with a dust remover, the upper part of the side wall of the slaked lime storage bin is provided with a quick pipe joint, and a self-temperature-limiting electric heater is arranged in the slaked lime storage bin.
And stirring motors are arranged on the slaked lime feeding bin and the activated carbon bin. The top of the slaked lime feeding bin is provided with a first feeding port, the slaked lime feeding bin is provided with a slaked lime bin scale, and the slaked lime feeding bin is connected with a controller through a lead. And a second feeding port is arranged at the top of the activated carbon bin, and an activated carbon bin scale is arranged on the activated carbon bin. The first air inlet pipe between the first jet fan and the first three-way pipe is provided with a first jet air heater, the second air inlet pipe between the second jet fan and the second three-way pipe is provided with a second jet air heater, and the first jet air heater, the second jet air heater and the first active carbon bin are connected with the controller through leads.
First wind speed changer and first pneumatic valve have set gradually from dry method tower to first tee bend intertube on the first intake pipe, and the first ejection of compact pipe of that section between first wind speed changer and the first pneumatic valve has the air compression jar through the pipe connection, and has first purge valve on the pipeline of that section between air compression jar and the first ejection of compact pipe. A second air speed transmitter and a second pneumatic valve are sequentially arranged on the second air inlet pipe from the dry tower to a second three-way pipe, a second discharge pipe between the second air speed transmitter and the second pneumatic valve is connected with the air compression tank through a pipeline, and a second purge valve is arranged on the pipeline between the air compression tank and the second discharge pipe; the first wind speed transmitter, the first pneumatic valve, the second wind speed transmitter and the second pneumatic valve are all connected with the controller through leads.
By adopting the scheme, the method has the following advantages:
because the utility model discloses a top-down is provided with the steam pipe of spiral arrangement in dry process tower slaked lime and active carbon injection apparatus's slaked lime storage silo, and the lateral wall that the upper end and the lower extreme of steam pipe all passed the slaked lime storage silo stretches out outside, and all is sealed form between the lateral wall of steam pipe and slaked lime storage silo and be connected. When the device is used, the upper end of the steam pipe is connected with an external steam generating device, and the lower end of the steam pipe is connected with an external sewage disposal pool. Steam is sent into the steam pipe by using the steam generating device, so that the slaked lime in the slaked lime storage bin is heated, and the slaked lime is stored at high temperature, thereby avoiding easy hardening of the slaked lime and ensuring the feeding efficiency.
Drawings
Fig. 1 is a schematic diagram of the structural principle of the dry tower slaked lime and activated carbon injection device of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the utility model discloses a dry process tower slaked lime and active carbon injection apparatus includes dry process tower 1, slaked lime storage silo 10, slaked lime feeding bin 5, first three-way pipe 4, active carbon feed bin 21 and second three-way pipe 26. The bottom of the slaked lime storage bin 10 is provided with a horizontally arranged blanking machine 13, the outlet of the blanking machine 13 is communicated with a slaked lime feeding bin 5 through a discharge valve 7, the bottom of the slaked lime feeding bin 5 is provided with a horizontally arranged slaked lime screw quantitative feeder 15, the outlet of the slaked lime screw quantitative feeder 15 is connected with the upper connector of the first three-way pipe 4, one side connector of the first three-way pipe 4 is connected with the dry method tower 1 through a first discharge pipe 31, the other side connector of the first three-way pipe 4 is connected with a first air inlet pipe 32, and the first air inlet pipe 32 is provided with a first injection fan 17. The bottom of the activated carbon storage bin 21 is provided with an activated carbon spiral constant feeder 23 which is horizontally arranged, the outlet of the activated carbon spiral constant feeder 23 is connected with the upper connector of the second three-way pipe 26, one side connector of the second three-way pipe 26 is connected with the dry method tower 1 through a second discharge pipe 33, the other side connector of the second three-way pipe 26 is connected with a second air inlet pipe 34, and the second air inlet pipe 34 is provided with a second injection fan 24. The steam pipe 12 is spirally arranged in the slaked lime storage bin 10 from top to bottom, the upper end and the lower end of the steam pipe 12 penetrate through the side wall of the slaked lime storage bin 10 and extend out, and the steam pipe 12 is hermetically connected with the side wall of the slaked lime storage bin 10.
The top of the slaked lime storage bin 10 is provided with a dust remover 9, the upper part of the side wall of the slaked lime storage bin 10 is provided with a quick pipe joint 11, and a self-temperature-limiting electric heater 8 is arranged in the slaked lime storage bin 10.
And stirring motors are arranged on the slaked lime feeding bin 5 and the activated carbon bin 21. The top of the slaked lime feeding bin 5 is provided with a first feeding port 6, the slaked lime feeding bin 5 is provided with a slaked lime bin scale 14, and the slaked lime feeding bin 5 is connected with a controller 18 through a lead. The top of the active carbon bin 21 is provided with a second feeding port 20, and the active carbon bin 21 is provided with an active carbon bin scale 22. A first air injection heater 16 is arranged on a section of first air inlet pipe 32 between the first air injection fan 17 and the first three-way pipe 4, a second air injection heater 25 is arranged on a section of second air inlet pipe 34 between the second air injection fan 24 and the second three-way pipe 26, and the first air injection heater 16, the second air injection heater 25 and the first active carbon bin 21 are connected with the controller 18 through conducting wires.
A first air speed transmitter 2 and a first pneumatic valve 3 are sequentially arranged on the first air inlet pipe 32 from the dry method tower 1 to the first three-way pipe 4, the first discharge pipe 31 between the first air speed transmitter 2 and the first pneumatic valve 3 is connected with an air compression tank 19 through a pipeline, and a first purging valve 30 is arranged on the pipeline between the air compression tank 19 and the first discharge pipe 31. A second air speed transmitter 29 and a second air-operated valve 27 are sequentially arranged between the self-drying method tower 1 and the second three-way pipe 26 on the second air inlet pipe 34, a second discharge pipe 33 between the second air speed transmitter 29 and the second air-operated valve 27 is connected with the air compression tank 19 through a pipeline, and a second purge valve 28 is arranged on the pipeline between the air compression tank 19 and the second discharge pipe 33. The first wind speed transmitter 2, the first pneumatic valve 3, the second wind speed transmitter 29 and the second pneumatic valve 27 are all connected with the controller 18 through leads.
When the working is carried out, when the slaked lime is added, the slaked lime conveying vehicle is connected with the quick pipe joint 11 of the slaked lime storage bin 10, and the dust remover 9 starts to supplement materials into the slaked lime storage bin 10. The slaked lime storage bin 10 is provided with an upper, a middle and a lower rotary-resisting material level meters, the material level is high, the alarm stops material supplement, the middle position alarm starts to prompt the storage bin to need material supplement, and the alarm of the material level meter under the storage bin shows that the slaked lime storage bin 10 is empty. After the slaked lime storage bin 10 is filled with materials, the self-temperature-limiting electric heater 85 is turned on, high-temperature steam is fed into the steam pipe 12, and the materials in the slaked lime storage bin 10 are kept dry to prevent hardening. When the slaked lime feeding bin 5 is supplemented with slaked lime, the controller 18 is provided with the slaked lime feeding bin 5, the weight of the slaked lime feeding bin 5 is lower than 60KG, automatic material supplement is started, and the material supplement is stopped when the weight of the slaked lime feeding bin is larger than 200 KG. The automatic material supplementing process comprises the following steps: the discharge valve 7 is opened firstly, the blanking machine 13 is started after 10 seconds of delay, the blanking machine 13 is stopped firstly when the material is fed to the maximum set value, and then the ash discharge valve is closed, so that the material blockage of the blanking machine 13 can be prevented. When slaked lime is sprayed, the slaked lime screw quantitative feeder 15, the first spraying fan 17 and the first spraying air heater 16 are started, slaked lime in the slaked lime feeding bin 5 enters the first three-way pipe 4 under the action of the slaked lime screw quantitative feeder 15, and the slaked lime in the first three-way pipe 4 passes through the first discharge pipe 31 and enters the dry process tower 1 under the action of the first spraying fan 17 and the first spraying air heater 16. When the first discharge pipe 31 is blocked, the first wind speed transmitter 2 detects that the flow rate of the jet wind in the first discharge pipe 31 is lower than a set value, the controller 18 controls the slaked lime screw constant feeder 15 to stop running, the first pneumatic valve 3 is closed, the first purging valve 30 is opened, and the air compression tank 19 feeds compressed air into the first discharge pipe 31, so that the blockage in the first discharge pipe 31 is blown out. When the first wind speed transmitter 2 detects that the flow speed of the jet wind in the first discharge pipe 31 is normal, the controller 18 controls the operation of the slaked lime screw constant feeder 15, the first pneumatic valve 3 is opened, the first purging valve 30 is closed, and the operation is normal. The slaked lime feeding bin 5 is provided with a first feeding port 6, so that special materials can be conveniently added.
When the activated carbon is added into the activated carbon bin 21, the second feeding port 20 is opened, and the activated carbon is manually fed into the activated carbon bin 21. And setting a feeding start alarm when the weight in the activated carbon bin 21 is lower than 60KG and a feeding stop alarm when the weight in the activated carbon bin is higher than 200KG in the controller 18. When slaked lime is sprayed, the activated carbon screw constant feeder 23, the second spraying fan 24 and the second spraying air heater 25 are started, the activated carbon in the activated carbon bin 21 enters the second three-way pipe 26 under the action of the activated carbon screw constant feeder 23, and the activated carbon material in the second three-way pipe 26 passes through the second discharge pipe 33 and enters the dry process tower 1 under the action of the second spraying fan 24 and the second spraying air heater 25. When the second discharging pipe 33 is blocked, the second wind speed transmitter 29 detects that the flow rate of the jet wind in the second discharging pipe 33 is lower than a set value, the controller 18 controls the active carbon spiral constant feeder 23 to stop running, the second pneumatic valve 27 is closed, the second purging valve 28 is opened, and the air compression tank 19 feeds compressed air into the second discharging pipe 33, so that the blocked material in the second discharging pipe 33 is blown out. When the second air speed transmitter 29 detects that the flow speed of the jet air in the second discharge pipe 33 is normal, the controller 18 controls the active carbon spiral constant feeder 23 to operate, the second pneumatic valve 27 is opened, the second purge valve 28 is closed, and the normal operation is carried out.
Claims (4)
1. The slaked lime and activated carbon injection device for the dry tower comprises a dry tower (1), a slaked lime storage bin (10), a slaked lime feeding bin (5), a first three-way pipe (4), an activated carbon bin (21) and a second three-way pipe (26); the bottom of the slaked lime storage bin (10) is provided with a horizontally arranged blanking machine (13), the outlet of the blanking machine (13) is communicated with a slaked lime feeding bin (5) through a discharge valve (7), the bottom of the slaked lime feeding bin (5) is provided with a horizontally arranged slaked lime screw quantitative feeder (15), the outlet of the slaked lime screw quantitative feeder (15) is connected with the upper interface of the first three-way pipe (4), one side interface of the first three-way pipe (4) is connected with the dry method tower (1) through a first discharge pipe (31), the other side interface of the first three-way pipe (4) is connected with a first air inlet pipe (32), and the first air inlet pipe (32) is provided with a first injection fan (17); the bottom of the activated carbon bin (21) is provided with an activated carbon spiral quantitative feeder (23) which is horizontally arranged, the outlet of the activated carbon spiral quantitative feeder (23) is connected with the upper connector of the second three-way pipe (26), one side connector of the second three-way pipe (26) is connected with the dry method tower (1) through a second discharge pipe (33), the other side connector of the second three-way pipe (26) is connected with a second air inlet pipe (34), and the second air inlet pipe (34) is provided with a second injection fan (24); the lime hydrate storage silo is characterized in that a steam pipe (12) which is spirally arranged is arranged in the lime hydrate storage silo (10) from top to bottom, the upper end and the lower end of the steam pipe (12) penetrate through the side wall of the lime hydrate storage silo (10) to extend out, and the steam pipe (12) is connected with the side wall of the lime hydrate storage silo (10) in a sealing manner.
2. The dry tower slaked lime and activated carbon injection apparatus according to claim 1, wherein the top of the slaked lime storage silo (10) is provided with a dust collector (9), the upper part of the side wall of the slaked lime storage silo (10) is provided with a quick pipe joint (11), and the slaked lime storage silo (10) is internally provided with a self-temperature-limiting electric heater (8).
3. The dry tower slaked lime and activated carbon injection apparatus according to claim 1 or 2, characterized in that the slaked lime feeding bin (5) and the activated carbon bin (21) are both provided with stirring motors; the top of the slaked lime feeding bin (5) is provided with a first feeding port (6), the slaked lime feeding bin (5) is provided with a slaked lime bin scale (14), and the slaked lime feeding bin (5) is connected with a controller (18) through a lead; a second feeding port (20) is arranged at the top of the active carbon bin (21), and an active carbon bin scale (22) is arranged on the active carbon bin (21); a first air injection heater (16) is arranged on a section of first air inlet pipe (32) between the first air injection fan (17) and the first three-way pipe (4), a second air injection heater (25) is arranged on a section of second air inlet pipe (34) between the second air injection fan (24) and the second three-way pipe (26), and the first air injection heater (16), the second air injection heater (25) and the first activated carbon bin (21) are connected with the controller (18) through conducting wires.
4. The dry tower slaked lime and activated carbon injection apparatus according to claim 3, wherein the first air inlet pipe (32) is sequentially provided with a first air speed transmitter (2) and a first pneumatic valve (3) from the dry tower (1) to the first three-way pipe (4), the first discharge pipe (31) between the first air speed transmitter (2) and the first pneumatic valve (3) is connected with an air compression tank (19) through a pipeline, and the first blow-off valve (30) is arranged on the pipeline between the air compression tank (19) and the first discharge pipe (31); a second air speed transmitter (29) and a second pneumatic valve (27) are sequentially arranged between the self-drying method tower (1) and the second three-way pipe (26) on the second air inlet pipe (34), a section of second discharge pipe (33) between the second air speed transmitter (29) and the second pneumatic valve (27) is connected with the air compression tank (19) through a pipeline, and a second purge valve (28) is arranged on a section of pipeline between the air compression tank (19) and the second discharge pipe (33); the first wind speed transmitter (2), the first pneumatic valve (3), the second wind speed transmitter (29) and the second pneumatic valve (27) are all connected with the controller (18) through leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798038.6U CN210385465U (en) | 2019-05-31 | 2019-05-31 | Dry method tower slaked lime and active carbon injection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798038.6U CN210385465U (en) | 2019-05-31 | 2019-05-31 | Dry method tower slaked lime and active carbon injection device |
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| CN210385465U true CN210385465U (en) | 2020-04-24 |
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| CN201920798038.6U Active CN210385465U (en) | 2019-05-31 | 2019-05-31 | Dry method tower slaked lime and active carbon injection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027675A (en) * | 2020-07-16 | 2020-12-04 | 北京国电龙源环保工程有限公司 | Anti-clogging and accumulation-preventing slaked lime discharging system and method |
-
2019
- 2019-05-31 CN CN201920798038.6U patent/CN210385465U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027675A (en) * | 2020-07-16 | 2020-12-04 | 北京国电龙源环保工程有限公司 | Anti-clogging and accumulation-preventing slaked lime discharging system and method |
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