CN218049626U - Calcium carbide purification ash bottom slag pulverizing system - Google Patents
Calcium carbide purification ash bottom slag pulverizing system Download PDFInfo
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- CN218049626U CN218049626U CN202221947980.2U CN202221947980U CN218049626U CN 218049626 U CN218049626 U CN 218049626U CN 202221947980 U CN202221947980 U CN 202221947980U CN 218049626 U CN218049626 U CN 218049626U
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- ash
- discharge port
- collecting hopper
- cyclone separator
- raymond mill
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Abstract
The utility model discloses a calcium carbide purification ash bottom slag powder making system, which comprises an ash tank, wherein the discharge hole of the ash tank is connected with the feed inlet of a Raymond mill, and the exhaust hole of the Raymond mill is connected with the air inlet of a cyclone separator; the air outlet of the cyclone separator is connected with the air inlet of the fan, and the air outlet of the fan is connected with the air inlet of the Raymond mill; the ash discharge port of the cyclone separator is connected with the feed inlet of the screw feeder, the discharge port of the screw feeder is connected with the feed inlet of the ash collecting hopper, the discharge port of the ash collecting hopper is connected with the feed inlet of the sending tank, and the ash discharge valve is installed at the discharge port of the ash collecting hopper. The incineration ash is sent into a Raymond mill for grinding, so that the ash sent into a power plant desulfurization system is ensured to be powder, and the blockage of large-particle ash on desulfurization equipment and pipelines is avoided; and the sending tank is used for powder conveying to prevent the discharge of the inorganics.
Description
The technical field is as follows:
the utility model relates to a carbide production field, concretely relates to carbide purifies ash bottom sediment powder process system.
Background art:
the calcium carbide purification ash is dust collected by a dust removal system in calcium carbide production, the calcium carbide purification ash can be incinerated by using a hot blast stove in a carbon material workshop, and the generated heat is used for drying semi coke. The components of the bottom slag of the incineration purification ash are tested, the bottom slag contains high-content calcium and magnesium elements, the content reaches 50 percent, and the bottom slag can be used as a desulfurizer of a power plant, but the particle size of the bottom slag after incineration is larger and is 1-5 mm, and the bottom slag can be directly used for desulfurization to cause the blockage of desulfurization equipment and pipelines, cause faults and influence the safe production; moreover, the bottom slag after incineration is mainly dumped to a garbage site for treatment by a dump truck, certain resource waste exists, dust is easy to overflow when ash slag is loaded, the field dust raising is serious, and the environmental protection requirement is not met.
The utility model has the following contents:
an object of the utility model is to provide a carbide purifies ash sediment powder process system.
The utility model discloses by following technical scheme implement:
a calcium carbide purification ash bottom slag pulverizing system comprises a slag tank, wherein a discharge port of the slag tank is connected with a feed port of a Raymond mill, and an exhaust outlet of the Raymond mill is connected with an air inlet of a cyclone separator; the air outlet of the cyclone separator is connected with the air inlet of a fan, and the air outlet of the fan is connected with the air inlet of the Raymond mill; the ash discharge port of the cyclone separator is connected with the feed inlet of the screw feeder, the discharge port of the screw feeder is connected with the feed inlet of the ash collecting hopper, the discharge port of the ash collecting hopper is connected with the feed inlet of the sending tank, and the discharge port of the ash collecting hopper is provided with an ash discharge valve.
Preferably, a material level meter is arranged in the ash collecting hopper, and a signal output end of the material level meter is electrically connected with a signal input end of the ash discharging valve.
Preferably, the air outlet of the fan is further connected with the air inlet of the bag-type dust collector, and the ash discharge port of the bag-type dust collector is connected with the feed inlet of the screw feeder.
The utility model has the advantages that: conveying incineration ash into a Raymond mill for grinding, separating by a cyclone separator, conveying powder discharged by the cyclone separator into an ash collecting hopper by a screw feeder, periodically opening an ash discharging valve, conveying the powder collected in the ash collecting hopper into a sending tank, and conveying the powder into a power plant desulfurization system by pneumatic conveying to ensure that the ash conveyed into the power plant desulfurization system is powder, so as to avoid the blockage of desulfurization equipment and pipelines by large-particle ash; and the sending tank is used for powder conveying, so that the unorganized discharge is prevented.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a slag tank 1, a Raymond mill 2, a cyclone separator 3, a fan 4, a screw feeder 5, an ash collecting hopper 6, a sending tank 7, an ash discharging valve 8, a material level indicator 9 and a bag-type dust collector 10.
The specific implementation mode is as follows:
as shown in fig. 1, a calcium carbide purification ash bottom slag pulverizing system comprises an ash tank 1, wherein a discharge port of the ash tank 1 is connected with a feed port of a Raymond mill 2, and an exhaust port of the Raymond mill 2 is connected with an air inlet of a cyclone separator 3; the air outlet of the cyclone separator 3 is connected with the air inlet of the fan 4, and the air outlet of the fan 4 is connected with the air inlet of the Raymond mill 2; the ash discharge port of the cyclone separator 3 is connected with the feed port of the screw feeder 5, the discharge port of the screw feeder 5 is connected with the feed port of the ash collecting hopper 6, the discharge port of the ash collecting hopper 6 is connected with the feed port of the sending tank 7, and the discharge port of the ash collecting hopper 6 is provided with an ash discharge valve 8;
the incineration ash collected in the ash tank 1 is sent to a Raymond mill 2 for grinding, after positive pressure air is injected into a fan 4, 250-300-mesh powder enters a cyclone separator 3 along with air flow, and particles which are not ground to 300 meshes are blocked by an analyzer at the top of the Raymond mill 2 and cannot be discharged; the powder material is settled in the cyclone separator 3 and is sent into the screw feeder 5 from the ash discharge port of the cyclone separator 3, the air discharged by the cyclone separator 3 is pumped back into the Raymond mill 2 by the fan 4, and the airflow in the whole equipment is internal circulation;
the screw feeder 5 sends the powder discharged by the cyclone separator 3 into the ash collecting hopper 6, periodically opens the ash discharging valve 8, sends the powder collected in the ash collecting hopper 6 to the sending tank 7, and sends the powder into the power plant desulfurization system through pneumatic transmission;
the air outlet of the fan 4 is also connected with the air inlet of the bag-type dust collector 10, and the ash outlet of the bag-type dust collector 10 is connected with the feed inlet of the screw feeder 5; when the airflows circulating in the Raymond mill 2, the cyclone separator 3 and the fan 4 are disturbed by the fan 4, the surplus airflows are sent to the bag-type dust remover 10 to be discharged, and meanwhile, the powder mixed in the bag-type dust remover 10 is filtered and discharged into the screw feeder 5 to be mixed with the powder discharged by the cyclone separator 3;
a material level meter 9 is arranged in the ash collecting hopper 6, and the signal output end of the material level meter 9 is electrically connected with the signal input end of the ash discharging valve 8; as the ash collecting hopper 6 discharges ash to the sending tank 7 regularly, when ash is discharged, because the cyclone separator 3 is in negative pressure, if the ash discharging valve 8 is opened for a long time, the powder suck-back phenomenon can occur in the screw feeder 5, so that only when the level gauge 9 detects that the ash collecting hopper 6 is about to be full, the ash discharging valve 8 is controlled to be opened for 5-10 minutes, and when the ash discharging valve 8 is closed, 1/5-1/4 of powder still exists in the ash collecting hopper 6, the whole pipeline is ensured to be full of the powder, and the suck-back is avoided.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A calcium carbide purification ash bottom slag pulverizing system is characterized by comprising an ash tank, wherein a discharge port of the ash tank is connected with a feed port of a Raymond mill, and an exhaust outlet of the Raymond mill is connected with an air inlet of a cyclone separator; the air outlet of the cyclone separator is connected with the air inlet of the fan, and the air outlet of the fan is connected with the air inlet of the Raymond mill; the ash discharge port of the cyclone separator is connected with the feed inlet of the screw feeder, the discharge port of the screw feeder is connected with the feed inlet of the ash collecting hopper, the discharge port of the ash collecting hopper is connected with the feed inlet of the sending tank, and the discharge port of the ash collecting hopper is provided with an ash discharge valve.
2. The calcium carbide purifying ash bottom slag pulverizing system of claim 1, wherein a level indicator is installed inside the ash collecting hopper, and a signal output end of the level indicator is electrically connected with a signal input end of the ash discharging valve.
3. A calcium carbide purification ash bottom slag pulverizing system as claimed in claim 1 or 2, characterized in that the air outlet of the fan is also connected with the air inlet of a bag-type dust remover, and the ash outlet of the bag-type dust remover is connected with the feed inlet of the screw feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221947980.2U CN218049626U (en) | 2022-07-26 | 2022-07-26 | Calcium carbide purification ash bottom slag pulverizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221947980.2U CN218049626U (en) | 2022-07-26 | 2022-07-26 | Calcium carbide purification ash bottom slag pulverizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218049626U true CN218049626U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221947980.2U Active CN218049626U (en) | 2022-07-26 | 2022-07-26 | Calcium carbide purification ash bottom slag pulverizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218049626U (en) |
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2022
- 2022-07-26 CN CN202221947980.2U patent/CN218049626U/en active Active
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