CN211659658U - System for improving fluosilicic acid absorption rate - Google Patents
System for improving fluosilicic acid absorption rate Download PDFInfo
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- CN211659658U CN211659658U CN201922441122.5U CN201922441122U CN211659658U CN 211659658 U CN211659658 U CN 211659658U CN 201922441122 U CN201922441122 U CN 201922441122U CN 211659658 U CN211659658 U CN 211659658U
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Abstract
The utility model discloses a system for improving the absorption rate of fluosilicic acid, which comprises a first fluorine absorption tower; the spraying layer A, at least three layers of spraying layers A are arranged in the first fluorine absorption tower; a steam guide pipe A; a pump A; a circulation tank A; a pump B; a steam guide pipe B; the second fluorine absorption tower is internally provided with at least two spraying layers A, and the bottom of the steam guide pipe B is communicated with the lower part of the second fluorine absorption tower through a pipeline and is positioned at the lower part of the spraying layers A; a pump C; a circulation tank B; the circulating tank B is communicated with the circulating tank A through a pipeline, and the pump C is communicated with the circulating tank B through a pipeline; a pump D; an atmospheric condenser; a vacuum pump; a water return tank; the water outlet of the water return tank is communicated with a circulating water cooling tower; the circulating tank B is communicated with a process water main pipe. The condition that silica gel crystal deposition and growth appear at the joint of the valve body and the nozzle joint on the pipeline is avoided, the problem of pipeline blockage is solved, the absorption rate of fluosilicic acid is improved, and the output of fluosilicic acid is increased.
Description
Technical Field
The utility model belongs to phosphorite production field relates to a system for improve fluosilicic acid absorption rate.
Background
This company's fluosilicic acid production system now, because existing phosphorus ore impurity is many, the magnesia content is high for the washing pipeline appears blockking up easily during production, has reduced the absorptivity of fluosilicic acid, leads to the output of fluosilicic acid to reduce, causes the pipeline to appear the reason of blockking up through the analysis and does: the valves of the connecting pump pipelines are in parallel connection with each pipeline, and a plurality of pipelines can be in a standby state, silica gel crystallization deposition occurs at the joints of the valve bodies and the spray head joints on the pipelines, and the pipelines grow up, so that the pipelines are blocked, fluorine is absorbed in the first-stage absorption tower and moves backwards towards the connecting pipelines of the second-stage absorption tower, the concentration of fluorine in the pipelines rises, and the corrosion of equipment, the filler of the circulating water cooling tower and the connecting pipelines of the spraying system are aggravated.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a system for improve fluosilicic acid absorption rate.
The utility model discloses a following technical scheme can realize.
The utility model provides a system for improving the absorption rate of fluosilicic acid, which comprises a first fluorine absorption tower;
the spraying layer A, at least three layers of spraying layers A are arranged in the first fluorine absorption tower;
the outlet of the steam guide pipe A is connected with the lower part of the first fluorine absorption tower through a pipeline and is positioned at the lower part of the spraying layer A, a fluorine gas pipe is arranged at the inlet of the top of the steam guide pipe A, and a spray head is arranged in the hollow part of the steam guide pipe A;
the outlet of the pump A is communicated with the bottommost spraying layer A through a pipeline;
the circulating tank A is communicated with the first fluorine absorption tower and the inlet of the pump A through pipelines;
the inlet of the pump B is communicated with the circulating tank A through a pipeline, and the outlet of the pump B is communicated with the spraying layer A through a pipeline;
the top of the first fluorine absorption tower is communicated with the top of the steam guide pipe B through a pipeline, and a spray head is arranged in the steam guide pipe B in a hollow mode;
the second fluorine absorption tower is internally provided with at least two spraying layers A, and the bottom of the steam guide pipe B is communicated with the lower part of the second fluorine absorption tower through a pipeline and is positioned at the lower part of the spraying layers A;
the pump C is communicated with the spray head inside the steam guide pipe B through a pipeline;
the circulating tank B is communicated with the bottom of the second fluorine absorption tower through a pipeline;
the circulating tank B is communicated with the circulating tank A through a pipeline, and the pump C is communicated with the circulating tank B through a pipeline;
the pump D is communicated with the circulating tank B and the two spraying layers A through pipelines;
the atmospheric condenser is communicated with the top of the second fluorine absorption tower, and the upper part of the atmospheric condenser is communicated with a circulating water pipe;
the gas inlet of the vacuum pump is communicated with the top of the atmospheric condenser through a pipeline;
a water inlet of the water return tank is communicated with the bottom of the second fluorine absorption tower through a pipeline;
the water outlet of the water return tank is communicated with a circulating water cooling tower;
the circulating tank B is communicated with a process water main pipe.
The atmospheric condenser comprises a condenser body, a plurality of water pipes and a plurality of spray heads, wherein the plurality of water pipes are arranged in the condenser body, and the spray heads are arranged at one ends of the water pipes; the water pipes are distributed in the device body in a layered mode, and the top end of the second fluorine absorption tower is communicated with the other end of the water pipe through a pipeline.
The water pipes are distributed in three layers in the device body.
The axes of the water pipes are staggered by 30 degrees at intervals.
A switching valve is arranged on a pipeline connecting the pump C and the circulating tank B; a switching valve is arranged on a pipeline connecting the steam guide pipe B and the pump C; a switching valve is arranged on a connecting pipeline between the pump A and the circulation tank A; a switching valve is arranged on a pipeline connecting the circulation tank A and the pump B; a switching valve is arranged on a pipeline connecting the circulation tank B and the pump D; and a switching valve is arranged on a pipeline connecting the pump D and the second fluorine absorption tower.
An inclined plate is arranged in the second fluorine absorption tower and is a broken-line plate body.
The storage pipe is communicated with the outlet of the pump A, and a switch valve is arranged on the storage pipe.
The spraying layer A comprises an outer pipe, a plurality of connecting pipes and a plurality of spray heads, the outer pipe is an octagonal pipe, one end of each connecting pipe is communicated with the outer pipe, and one end of each connecting pipe is communicated with the spray heads. The outer pipe is an octagonal pipe, so that the phenomenon of blockage caused by silica gel deposition and accumulation due to reduction of flow speed is effectively reduced; the outer pipe is a reducer pipe, the inner diameter of the section close to the water inlet is DN200mm, and the inner diameter of the section far away from the water inlet is DN150 mm.
The beneficial effects of the utility model reside in that: the condition that silica gel crystal deposition and growth appear at the joint of the valve body and the nozzle joint on the pipeline is avoided, the problem of pipeline blockage is solved, the absorption rate of fluosilicic acid is improved, and the output of fluosilicic acid is increased.
Drawings
Fig. 1 is a schematic connection diagram of the present invention;
fig. 2 is a schematic top view of the atmospheric condenser of the present invention;
FIG. 3 is a schematic front view of the atmospheric condenser of the present invention;
fig. 4 is a schematic top view of the spray layer of the present invention;
fig. 5 is a schematic front view of the second fluorine absorbing tower of the present invention.
In the figure: 1-a first fluorine absorption column; 2-spraying layer A; 21-an outer tube; 22-connecting tube; 3-a steam leading pipe A; a 4-fluorine gas pipe; 5-pump A; 6-circulation tank A; 7-pump B; 8-a steam guide pipe B; 9-a second fluorine absorption column; 10-pump C; 11-circulation tank B; 12-pump D; 13-atmospheric condenser; 130-a body; 131-a water pipe; 14-a circulating water pipe; 15-a vacuum pump; 16-a water return tank; 17-storage tube.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
The utility model relates to a system for improving the absorption rate of fluosilicic acid, which comprises a first fluorine absorption tower 1;
the spraying layer A2, at least three layers of spraying layers A2 are arranged in the first fluorine absorption tower 1;
an outlet of the steam guide pipe A3 is connected with the lower part of the first fluorine absorption tower 1 through a pipeline and is positioned at the lower part of the spraying layer A2, a fluorine gas pipe 4 is installed at an inlet at the top of the steam guide pipe A3, and a spray head is installed in the hollow part of the steam guide pipe A3;
the outlet of the pump A5 is communicated with the bottommost spraying layer A2 through a pipeline;
a circulating groove A6, wherein the circulating groove A6 is communicated with the first fluorine absorption tower 1 and the inlet of a pump A5 through pipelines;
the inlet of a pump B7 and the inlet of a pump B7 are communicated with the circulation groove A6 through pipelines, and the outlet of the pump B7 is communicated with the spraying layer A2 through pipelines;
the top of the first fluorine absorption tower 1 is communicated with the top of a steam guide pipe B8 through a pipeline, and a spray head is arranged in the steam guide pipe B8 in a hollow manner;
the second fluorine absorption tower 9, at least two layers of spraying layers A2 are arranged in the second fluorine absorption tower 9, and the bottom of a steam guide pipe B8 is communicated with the lower part of the second fluorine absorption tower 9 through a pipeline and is positioned at the lower part of the spraying layers A2;
the pump C10 and the pump C10 are communicated with a spray head inside the steam guide pipe B8 through pipelines;
a circulation tank B11, wherein the circulation tank B11 is communicated with the bottom of the second fluorine absorption tower 9 through a pipeline;
the circulating tank B11 is communicated with the circulating tank A6 through a pipeline, and the pump C10 is communicated with the circulating tank B11 through a pipeline;
the pump D12, the pump D12 is communicated with the circulating tank B11 and the two spraying layers A2 through pipelines;
the atmospheric condenser 13, the atmospheric condenser 13 communicates with top of the second fluorine absorption tower 9, the upper portion of the atmospheric condenser 13 communicates with the circulating water pipe 14;
a vacuum pump 15, wherein a gas inlet of the vacuum pump 15 is communicated with the top of the atmospheric condenser 13 through a pipeline;
a water inlet of the water return tank 16 is communicated with the bottom of the second fluorine absorption tower 9 through a pipeline;
a water outlet of the water return tank 16 is communicated with a circulating water cooling tower;
the circulation tank B11 is communicated with a process water main.
The atmospheric condenser 13 comprises a body 130, a plurality of water pipes 131 and a plurality of spray heads, wherein the body 130 is internally provided with the plurality of water pipes 131, and one end of each water pipe 131 is provided with the spray head; the water pipes 131 are distributed in layers in the body 130, and the top end of the second fluorine absorption tower 9 is communicated with the other end of the water pipe 131 through a pipeline.
The water tubes 131 are distributed in three layers in the body 130.
The axes of the water pipes 131 are staggered by 30 degrees.
A switching valve is arranged on a pipeline connecting the pump C10 and the circulating tank B11; a switching valve is arranged on a pipeline connecting the steam guide pipe B8 and the pump C10; a switching valve is arranged on a connecting pipeline between the pump A5 and the circulating tank A6; a switching valve is arranged on a pipeline connecting the circulation tank A6 and the pump B7; a switching valve is arranged on a pipeline connecting the circulation tank B11 and the pump D12; a switching valve is arranged on a pipeline connecting the pump D12 and the second fluorine absorption tower 9; the liquid can be controlled via individual switching valve bodies.
An inclined plate 91 is arranged in the second fluorine absorption tower 9, and the inclined plate 91 is a broken-line plate body; to increase fluorine recovery.
The device also comprises a storage pipe 17, wherein the storage pipe 17 is communicated with an outlet of the pump A5, and a switch valve is arranged on the storage pipe 17; the other end of the storage pipe 17 is connected with the storage tank so as to transport 12-14% of fluosilicic acid into the storage tank.
The spraying layer A2 comprises an outer pipe 21, a plurality of connecting pipes 22 and a plurality of spray heads, the outer pipe 21 is an octagonal pipe, one end of each connecting pipe 22 is communicated with the outer pipe 21, and one end of each connecting pipe 22 is communicated with the spray heads. The outer pipe 21 is an octagonal pipe, so that the phenomenon of blockage caused by silica gel deposition and accumulation due to reduction of flow speed is effectively reduced; the outer tube 21 is the reducing pipe, and is close to the water inlet section internal diameter and is DN200mm, keeps away from the water inlet section internal diameter and is DN150mm, effectively prevents that the silica gel deposit from droing on the pipe wall and causing the emergence of shower nozzle and pipeline jam.
The specific operation method comprises the following steps: fluorine gas was introduced from the fluorine gas pipe 4, and the pump A5 used a data flow rate of 600m3H, the head is 45m, and the spray amount of the spray heads of the bottommost spray layer A2 of the first fluorine absorption tower 1 is 60-80 m3H; first fluorine absorption column 1The spray heads of the spray layer A2 in the middle are respectively 80-110 m3H; the spray heads of the spray layer A2 on the upper part of the first fluorine absorption tower 1 are respectively 70-90 m3/h；
Ensuring that the flow velocity of water flow in the outer pipe 21 reaches 1.2 m/s;
the diameter of the pipeline connecting the steam guide pipe A3 and the first fluorine absorption tower 1 is phi 1600mm, because the washing amount of the pipeline is too large to increase the resistance, the concentration vacuum degree is influenced;
maximum flow rate per layer of the atmospheric condenser 13 is 1000m3/h；
The whole device operates according to the data, and the problem of blockage of the connecting pipeline in the prior art can be solved.
Claims (10)
1. A system for improving the absorption rate of fluosilicic acid is characterized by comprising a first fluorine absorption tower (1);
the device comprises a spraying layer A (2), wherein at least three spraying layers A (2) are arranged in a first fluorine absorption tower (1);
the outlet of the steam guide pipe A (3) is connected with the lower part of the first fluorine absorption tower (1) through a pipeline and is positioned at the lower part of the spraying layer A (2), a fluorine gas pipe (4) is installed at the inlet of the top of the steam guide pipe A (3), and a spray head is installed in the hollow inner part of the steam guide pipe A (3);
the outlet of the pump A (5) is communicated with the bottommost spraying layer A (2) through a pipeline;
the circulating tank A (6), the circulating tank A (6) is communicated with the first fluorine absorption tower (1) and the inlet of the pump A (5) through pipelines;
the inlet of the pump B (7) is communicated with the circulating tank A (6) through a pipeline, and the outlet of the pump B (7) is communicated with the spraying layer A (2) through a pipeline;
the top of the first fluorine absorption tower (1) is communicated with the top of the steam guide pipe B (8) through a pipeline, and a spray head is arranged in the steam guide pipe B (8) in a hollow mode;
the second fluorine absorption tower (9), at least two spray layers A (2) are arranged in the second fluorine absorption tower (9), and the bottom of the steam guide pipe B (8) is communicated with the lower part of the second fluorine absorption tower (9) through a pipeline and is positioned at the lower part of the spray layers A (2);
the pump C (10), the pump C (10) is communicated with the spray head inside the steam guide pipe B (8) through the pipeline;
the circulating tank B (11), the circulating tank B (11) is communicated with the bottom of the second fluorine absorption tower (9) through a pipeline;
the circulation tank B (11) is communicated with the circulation tank A (6) through a pipeline, and the pump C (10) is communicated with the circulation tank B (11) through a pipeline;
the pump D (12), the pump D (12) is communicated with the circulating tank B (11) and the two spraying layers A (2) through pipelines;
the atmospheric condenser (13), the atmospheric condenser (13) is communicated with the top of the second fluorine absorption tower (9), and the upper part of the atmospheric condenser (13) is communicated with a circulating water pipe (14);
the gas inlet of the vacuum pump (15) is communicated with the top of the atmospheric condenser (13) through a pipeline;
a water inlet of the water return tank (16) is communicated with the bottom of the second fluorine absorption tower (9) through a pipeline;
a water outlet of the water return tank (16) is communicated with a circulating water cooling tower;
the circulating groove B (11) is communicated with a process water main pipe.
2. A system for increasing the rate of absorption of fluorosilicic acid as defined in claim 1 wherein: the atmospheric condenser (13) comprises a body (130), a plurality of water pipes (131) and a plurality of spray heads, wherein the plurality of water pipes (131) are arranged in the body (130), and the spray heads are arranged at one ends of the water pipes (131); the water pipes (131) are distributed in the device body (130) in a layered way, and the top end of the second fluorine absorption tower (9) is communicated with the other end of the water pipe (131) through a pipeline.
3. A system for increasing the rate of absorption of fluorosilicic acid as defined in claim 2 wherein: the water pipes (131) are distributed in three layers in the body (130).
4. A system for increasing the rate of absorption of fluorosilicic acid as defined in claim 2 wherein: the axes of the water pipes (131) are staggered by 30 degrees.
5. A system for increasing the rate of absorption of fluorosilicic acid as defined in claim 1 wherein: a switching valve is arranged on a pipeline connecting the pump C (10) and the circulating tank B (11); a switching valve is arranged on a pipeline connecting the steam guide pipe B (8) and the pump C (10); and a switching valve is arranged on a connecting pipeline between the pump A (5) and the circulating tank A (6).
6. A system for increasing the rate of absorption of fluorosilicic acid as defined in claim 1 wherein: an inclined plate (91) is arranged in the second fluorine absorption tower (9), and the inclined plate (91) is a broken-line plate body.
7. A system for increasing the rate of absorption of fluorosilicic acid as set forth in claim 6 wherein: the device also comprises a storage pipe (17), the storage pipe (17) is communicated with the outlet of the pump A (5), and a switch valve is arranged on the storage pipe (17).
8. A system for increasing the rate of absorption of fluorosilicic acid as defined in claim 1 wherein: the spraying layer A (2) comprises an outer pipe (21), a plurality of connecting pipes (22) and a plurality of spray heads, the outer pipe (21) is an octagonal pipe, one end of each connecting pipe (22) is communicated with the outer pipe (21), and one end of each connecting pipe (22) is communicated with the spray heads.
9. A system for increasing the rate of absorption of fluorosilicic acid as set forth in claim 8 wherein: the outer pipe (21) is a reducer pipe, the inner diameter of the section close to the water inlet is DN200mm, and the inner diameter of the section far away from the water inlet is DN150 mm.
10. A system for increasing the rate of absorption of fluorosilicic acid as defined in claim 1 wherein: a switching valve is arranged on a pipeline connecting the circulation tank A (6) and the pump B (7); a switching valve is arranged on a pipeline connecting the circulation tank B (11) and the pump D (12); and a switching valve is arranged on a pipeline connecting the pump D (12) and the second fluorine absorption tower (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441122.5U CN211659658U (en) | 2019-12-30 | 2019-12-30 | System for improving fluosilicic acid absorption rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441122.5U CN211659658U (en) | 2019-12-30 | 2019-12-30 | System for improving fluosilicic acid absorption rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211659658U true CN211659658U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922441122.5U Active CN211659658U (en) | 2019-12-30 | 2019-12-30 | System for improving fluosilicic acid absorption rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211659658U (en) |
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- 2019-12-30 CN CN201922441122.5U patent/CN211659658U/en active Active
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Effective date of registration: 20220622 Address after: 550000 No. 23, Jinqi Road, Jinzhong Town, Kaiyang County, Guiyang City, Guizhou Province Patentee after: GUIZHOU KAILIN GROUP Co.,Ltd. Address before: Jinzhong town (No.2 office building), Kaiyang County, Guiyang City, Guizhou Province Patentee before: GUIZHOU KAILIN GROUP MINERAL FERTILIZER Co.,Ltd. |