CN217939814U - Automatic batching system of lime slurry - Google Patents
Automatic batching system of lime slurry Download PDFInfo
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- CN217939814U CN217939814U CN202221769512.0U CN202221769512U CN217939814U CN 217939814 U CN217939814 U CN 217939814U CN 202221769512 U CN202221769512 U CN 202221769512U CN 217939814 U CN217939814 U CN 217939814U
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Abstract
The utility model discloses an automatic blending system of lime thick liquid, include: the middle lower part of the inner wall of the lime powder bin is provided with a fluidization plate, and the bottom of the lime powder bin is provided with a discharge hole; a feed inlet of the screw conveyor is connected with a discharge outlet of the lime powder bin; a feed inlet of the weighing feeder is matched with a discharge outlet of the screw conveyor; a feed inlet of the lime slurry box is matched with a discharge outlet of the weighing feeder; a first lime slurry pump, wherein a liquid inlet of the first lime slurry pump is connected with a liquid outlet of the lime slurry box; a lime slurry storage tank, wherein a liquid inlet of the lime slurry storage tank is connected with a liquid outlet of the first lime slurry pump; the output end of the programmable logic controller is connected with the input end of the first lime slurry pump, the input end of the feeding valve, the input end of the screw conveyor, the input end of the stirring device, the input end of the water inlet electromagnetic valve, the input end of the fluidized fan and the input end of the electric heater.
Description
Technical Field
The utility model relates to a feed proportioning system, concretely relates to automatic feed proportioning system of lime thick liquid.
Background
Flue gas desulfurization (FGD for short) can be divided into the following five methods according to the type of desulfurizer: with CaCO 3 Calcium method based on (limestone), magnesium method based on MgO, na method based on 2 SO 3 Sodium method based on NH 3 Ammonia processes based on organic bases, organic base processes based on organic bases.
SO in flue gas 2 、SO 3 Are acidic in nature and can be removed from the flue gas by reaction with a suitable alkaline material. The most common alkaline material used for flue gas desulfurization is a lime slurry prepared from lime powder. At present, lime slurry is prepared by manually feeding and stirring, but the operation has the following defects: 1. dust easily pollutes the environment, and secondly, the labor intensity is high, and the lung of a worker is easily damaged irreversibly.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model discloses an automatic blending system of lime thick liquid.
The technical scheme is as follows: an automatic batching system of lime slurry comprises the following components:
the lime powder bin is provided with a vacuum release valve at the top, at least one fluidization plate is arranged at the middle lower part of the inner wall of the lime powder bin, an air inlet of the fluidization plate is connected with an air outlet of the electric heater through a pipeline, the air inlet of the electric heater is externally connected with a fluidization fan, and a discharge hole is formed in the bottom of the lime powder bin;
a feed inlet of the screw conveyor is communicated with a discharge outlet of the lime powder bin through a pipeline, and a feed valve is arranged on the pipeline;
a feed inlet of the weighing feeder is adapted to a discharge outlet of the screw conveyor;
a feed inlet of the lime slurry box is matched with a discharge outlet of the weighing feeder, a water inlet pipeline is arranged at the top of the lime slurry box, and a water inlet electromagnetic valve is arranged on the water inlet pipeline; a stirring device is arranged in the lime slurry box, a liquid level controller is arranged in the lime slurry box, and a liquid outlet is formed in the bottom of the lime slurry box;
the liquid inlet of the first lime slurry pump is communicated with the liquid outlet of the lime slurry box through a pipeline, and a second electromagnetic valve is arranged on the pipeline;
a liquid inlet of the lime slurry storage tank is communicated with a liquid outlet of the first lime slurry pump through a second pipeline, and a first flushing pipeline and a pressure transmitter are sequentially arranged on the second pipeline;
the output end of the pressure transmitter, the output end of the weighing feeder and the output end of the liquid level controller are connected with the input end of the programmable logic controller, and the output end of the programmable logic controller is connected with the input end of the first lime slurry pump, the input end of the feeding valve, the input end of the screw conveyer, the input end of the stirring device, the input end of the water inlet electromagnetic valve, the input end of the fluidization fan and the input end of the electric heater.
Furthermore, four fluidization plates are arranged at the middle lower part of the inner wall of the lime powder bin.
Furthermore, a dust remover is arranged at the top of the lime powder bin.
Furthermore, one side of the lime slurry box is provided with an overflow pipeline.
And a second lime slurry pump connected with the first lime slurry pump in parallel is further arranged, a liquid inlet of the second lime slurry pump is communicated with a liquid outlet of the lime slurry box, a liquid outlet of the second lime slurry pump is connected with the lime slurry storage tank through a third pipeline, and a second washing pipeline is arranged on the third pipeline.
Further, a gate valve is arranged on a pipeline connecting the feed inlet of the screw conveyor and the discharge outlet of the lime powder bin.
Has the beneficial effects that: the utility model discloses an automatic blending system of lime thick liquid has following beneficial effect:
1. the whole stirring process is completed in a closed lime slurry box, so that the dust pollution can be effectively reduced, and the health of workers is further protected;
2. compared with manual batching, the automatic degree is higher, and the working strength is further reduced.
Drawings
Fig. 1 is a schematic view of an automatic batching system for lime slurry according to the present invention;
wherein:
the specific implementation mode is as follows:
the following is a detailed description of specific embodiments of the present invention.
An automatic batching system of lime slurry comprises the following components:
the lime powder bin 1 is characterized in that a vacuum release valve 4 is arranged at the top of the lime powder bin 1, at least one fluidization plate 10 is arranged at the middle lower part of the inner wall of the lime powder bin, an air inlet of the fluidization plate 10 is connected with an air outlet of an electric heater 9 through a pipeline, an air inlet of the electric heater 9 is externally connected with a fluidization fan 8, and a discharge hole is formed in the bottom of the lime powder bin 1;
a feed inlet of the screw conveyor 11 is communicated with a discharge outlet of the lime powder bin 1 through a pipeline, and a feed valve 7 is arranged on the pipeline;
a feeding port of the weighing feeder 12 is matched with a discharging port of the screw conveyor 11;
a feed inlet of the lime slurry box 2 is matched with a discharge outlet of the weighing feeder 12, a water inlet pipeline is arranged at the top of the lime slurry box 2, and a water inlet electromagnetic valve 22 is arranged on the water inlet pipeline; a stirring device 23 is arranged in the lime slurry box 2, a liquid level controller 21 is arranged in the lime slurry box 2, and a liquid outlet is arranged at the bottom of the lime slurry box 2;
a first lime slurry pump 3, the liquid inlet of which is communicated with the liquid outlet of the lime slurry box 2 through a pipeline, and a second electromagnetic valve is arranged on the pipeline;
a lime slurry storage tank 15, a liquid inlet of which is communicated with a liquid outlet of the first lime slurry pump 3 through a second pipeline, and a first flushing pipeline 16 and a pressure transmitter 14 are sequentially arranged on the second pipeline;
the output end of the pressure transmitter 14, the output end of the weighing feeder 12 and the output end of the liquid level controller 21 are connected with the input end of the programmable logic controller, and the output end of the programmable logic controller is connected with the input end of the first lime slurry pump 3, the input end of the feeding valve 7, the input end of the screw conveyer 11, the input end of the stirring device 23, the input end of the water inlet electromagnetic valve 22, the input end of the fluidized fan 8 and the input end of the electric heater 9.
Further, four fluidization plates 10 are arranged at the middle lower part of the inner wall of the lime powder bin 1.
Further, a dust remover 5 is arranged at the top of the lime powder bin 1.
Further, one side of the lime slurry tank 2 is provided with an overflow conduit 24.
Furthermore, a second lime slurry pump 13 connected with the first lime slurry pump 3 in parallel is further arranged, a liquid inlet of the second lime slurry pump 13 is communicated with a liquid outlet of the lime slurry tank 2, a liquid outlet of the second lime slurry pump 13 is connected with the lime slurry storage tank 15 through a third pipeline, and a second washing pipeline 17 is arranged on the third pipeline.
Further, a gate valve 6 is arranged on a pipeline connecting the feed inlet of the screw conveyor 11 and the discharge outlet of the lime powder bin 1.
The utility model discloses a lime thick liquid's automatic blending system's work flow:
1. the programmable logic controller controls a feeding valve 7 of a lime powder bin 1 to be opened, lime powder sequentially passes through a screw conveyor 11 and a weighing feeder 12 to enter a lime slurry tank 2, and meanwhile the programmable logic controller controls a water inlet electromagnetic valve 22 to be opened, wherein:
after the feeder 12 to be weighed obtains the lime powder with the designed amount, the programmable logic controller controls the feed valve 7 of the lime powder bin 1 to be closed;
after the liquid level controller 21 learns that the liquid level of the lime slurry tank 2 reaches the designed water level, the programmable logic controller controls the water inlet electromagnetic valve 22 to be closed;
2. the programmable logic controller starts the stirring device 23, and after the designed stirring time is reached, the second electromagnetic valve and the first lime slurry pump 3 are started to convey lime slurry to the lime slurry storage tank 15.
One end of the second lime slurry pump 13 is connected with the second electromagnetic valve, and the other end of the second lime slurry pump 13 is connected with the pressure transmitter 14, which is a redundant design and is a standby scheme for preventing the first lime slurry pump 3 from being damaged.
The embodiments of the present invention have been described in detail. However, the present invention is not limited to the above-described embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by a person of ordinary skill in the art.
Claims (6)
1. The automatic batching system of lime slurry is characterized by comprising the following components:
the top of the lime powder bin is provided with a vacuum release valve, the middle lower part of the inner wall of the lime powder bin is provided with at least one fluidization plate, the air inlet of the fluidization plate is connected with the air outlet of the electric heater through a pipeline, the air inlet of the electric heater is externally connected with a fluidization fan, and the bottom of the lime powder bin is provided with a discharge hole;
a feed inlet of the screw conveyor is communicated with a discharge outlet of the lime powder bin through a pipeline, and a feed valve is arranged on the pipeline;
a feed inlet of the weighing feeder is adapted to a discharge outlet of the screw conveyor;
a feed inlet of the lime slurry box is matched with a discharge outlet of the weighing feeder, a water inlet pipeline is arranged at the top of the lime slurry box, and a water inlet electromagnetic valve is arranged on the water inlet pipeline; a stirring device is arranged in the lime slurry box, a liquid level controller is arranged in the lime slurry box, and a liquid outlet is arranged at the bottom of the lime slurry box;
a liquid inlet of the first lime slurry pump is communicated with a liquid outlet of the lime slurry box through a pipeline, and a second electromagnetic valve is arranged on the pipeline;
a liquid inlet of the lime slurry storage tank is communicated with a liquid outlet of the first lime slurry pump through a second pipeline, and a first flushing pipeline and a pressure transmitter are sequentially arranged on the second pipeline;
the output end of the pressure transmitter, the output end of the weighing feeder and the output end of the liquid level controller are connected with the input end of the programmable logic controller, and the output end of the programmable logic controller is connected with the input end of the first lime slurry pump, the input end of the feeding valve, the input end of the screw conveyer, the input end of the stirring device, the input end of the water inlet electromagnetic valve, the input end of the fluidization fan and the input end of the electric heater.
2. The automatic lime slurry proportioning system of claim 1 wherein four fluidization plates are disposed at the lower middle portion of the inner wall of the lime powder bin.
3. The automatic lime slurry proportioning system of claim 1, wherein a dust collector is disposed at the top of the lime powder bin.
4. The automatic batching system of lime slurry according to claim 1, wherein an overflow pipe is provided at one side of the lime slurry tank.
5. The automatic lime slurry batching system according to claim 1, further comprising a second lime slurry pump connected in parallel with the first lime slurry pump, wherein an inlet of the second lime slurry pump is connected to an outlet of the lime slurry tank, an outlet of the second lime slurry pump is connected to the lime slurry storage tank through a third pipeline, and a second flushing pipeline is arranged on the third pipeline.
6. The automatic batching system of lime slurry according to claim 1, wherein a gate valve is arranged on a pipeline connecting a feeding port of a screw conveyor and a discharging port of the lime powder bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769512.0U CN217939814U (en) | 2022-07-07 | 2022-07-07 | Automatic batching system of lime slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769512.0U CN217939814U (en) | 2022-07-07 | 2022-07-07 | Automatic batching system of lime slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217939814U true CN217939814U (en) | 2022-12-02 |
Family
ID=84220394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221769512.0U Active CN217939814U (en) | 2022-07-07 | 2022-07-07 | Automatic batching system of lime slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217939814U (en) |
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2022
- 2022-07-07 CN CN202221769512.0U patent/CN217939814U/en active Active
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