CN219662900U - Flash tank feeding cooling device for sodium nitrate production - Google Patents
Flash tank feeding cooling device for sodium nitrate production Download PDFInfo
- Publication number
- CN219662900U CN219662900U CN202321142525.XU CN202321142525U CN219662900U CN 219662900 U CN219662900 U CN 219662900U CN 202321142525 U CN202321142525 U CN 202321142525U CN 219662900 U CN219662900 U CN 219662900U
- Authority
- CN
- China
- Prior art keywords
- pipe
- vertical pipe
- flash tank
- flushing
- dispersing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 235000010344 sodium nitrate Nutrition 0.000 title claims abstract description 20
- 239000004317 sodium nitrate Substances 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000011010 flushing procedure Methods 0.000 claims abstract description 32
- 238000009792 diffusion process Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A flash tank feeding cooling device for sodium nitrate production comprises a flash tank, wherein a vertical pipe is fixedly connected to the upper end of a feed inlet of the flash tank, an axial flow fan is arranged at the upper end of the vertical pipe, silk screen packing, a flushing pipe, a feed pipe, a check ring and a dispersing cap are sequentially arranged in the vertical pipe from top to bottom, the silk screen packing is close to the axial flow fan, one end of the flushing pipe, which is positioned in the vertical pipe, is connected with a flushing nozzle through an elbow, and the other end of the flushing pipe is led out of a flushing interface from one side of the vertical pipe; one end of the feed pipe, which is positioned in the vertical pipe, is connected with a diffusion cap through an elbow, and the other end of the feed pipe is led out of a liquid inlet port from one side of the vertical pipe; the retainer ring is cone-shaped, the diameter of an upper opening is larger than that of a lower opening, and the dispersing cap is cone-shaped and has an upper tip end and is used for uniformly dispersing the entered concentrated solution. The device has the beneficial effects that the device can effectively reduce the feeding temperature, so that the feeding temperature of the concentrated solution is reduced by 18 percent, and the working efficiency is improved for reducing the temperature in the flash tank; meanwhile, the energy loss of compressed air can be saved, and hot air is discharged.
Description
Technical Field
The utility model relates to the related field of sodium nitrate production, in particular to a flash tank air cooling device for sodium nitrate production.
Background
Sodium nitrate is an inorganic compound used for preparing nitric acid and sodium nitrite, and is used as a burden in glass, matches, enamel or ceramic industries, a fertilizer, a catalyst in sulfuric acid preparing industries and the like.
At present, a flash tank is used for cooling and crystallizing a concentrated solution containing sodium nitrate when sodium nitrate is produced, and the existing cooling mode is that compressed air is injected into the flash tank to play a stirring role, and meanwhile, the cooling is assisted by a water cooling jacket arranged on the outer wall of the flash tank. This kind of cooling mode heat dissipation ability through compressed air and cooling water is limited, and the cooling speed is slow, has prolonged material cooling crystallization time, and the steam does not have the filtration function of discharging outward simultaneously, and this makes when using need consume a large amount of compressed air to cool down the material in the flash tank to cause the waste of resource.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a flash tank feeding cooling device for sodium nitrate production, which can effectively reduce the feeding temperature and improve the working efficiency.
In order to solve the problems, the utility model adopts the following technical scheme:
a flash tank feeding cooling device for sodium nitrate production, including the flash tank, its special character is: a vertical pipe is fixedly connected to the upper end of a feed inlet of the flash tank, an axial flow fan is arranged at the upper end of the vertical pipe, silk screen packing, a flushing pipe, a feed pipe, a check ring and a dispersing cap are sequentially arranged in the vertical pipe from top to bottom, the silk screen packing is close to the axial flow fan, one end of the flushing pipe, which is positioned in the vertical pipe, is connected with a flushing nozzle through an elbow, and the other end of the flushing pipe is led out of a flushing interface from one side of the vertical pipe for externally connecting a flushing water source; one end of the feed pipe, which is positioned in the vertical pipe, is connected with a diffusion cap through an elbow, and the other end of the feed pipe is led out of a liquid inlet port from one side of the vertical pipe and is used for being externally connected with a sodium nitrate concentrated solution inlet pipeline; the retainer ring is cone-shaped, the diameter of an upper opening is larger than that of a lower opening, and the dispersing cap is cone-shaped and has an upper tip end and is used for uniformly dispersing the entered concentrated solution.
As a further preferable aspect, the retaining rings and the dispersing caps are arranged in two groups up and down and have a spacing of 100mm, and each retaining ring has a spacing of 150mm from the dispersing cap adjacent below.
As a further preferable mode, the dispersing caps are fixed in the vertical pipe through rib plates uniformly distributed on the circumference.
As a further preference, the collar has a lower mouth diameter slightly larger than the outer diameter of the lower end of the dispensing cap.
The beneficial effects of the utility model are as follows:
the device is provided with the axial flow fan at the upper end of the vertical pipe, so that the air circulation speed in the flash tank can be increased, and meanwhile, the hot air in the sodium nitrate concentrated solution entering through the feeding pipe is absorbed and discharged upwards; the flushing liquid sprayed out by the flushing nozzle at the inner end of the flushing pipe contacts with hot air, so that large particles in the hot air can be filtered out, and the temperature of the hot air is reduced; the check rings and the dispersing caps which are arranged up and down can uniformly disperse the entered sodium nitrate concentrated solution, so that the heat dissipation effect is enhanced; therefore, the device can effectively reduce the feeding temperature, can reduce the feeding temperature of the concentrated solution by 18 percent, and improves the working efficiency for reducing the temperature in the flash tank; meanwhile, the energy loss of compressed air can be saved, and hot air is discharged.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a partial enlarged view of fig. 1.
In the figure: flash tank 1, riser 2, axial fan 3, silk screen packing 4, wash pipe 5, shower nozzle 6, inlet pipe 7, diffusion cap 8, retaining ring 9, dispersion cap 10, gusset 11.
Detailed Description
As shown in fig. 1 to 3, the flash tank feeding cooling device for sodium nitrate production comprises a flash tank 1, wherein a vertical pipe 2 is fixedly connected to the upper end of a feeding port 101 of the flash tank 1 through a flange, the length of the vertical pipe 2 is 2M, an axial flow fan 3 is arranged at the upper end of the vertical pipe 2, a wire mesh packing 4, a flushing pipe 5, a feeding pipe 7, a check ring 9 and a dispersing cap 10 are sequentially arranged in the vertical pipe 2 from top to bottom, and the wire mesh packing 4 is close to the axial flow fan 3 and is used for filtering particles in hot gas discharged through the axial flow fan 3.
One end of the flushing pipe 5 positioned in the vertical pipe 2 is connected with a flushing nozzle 6 through an elbow and is used for spraying cleaning liquid into the vertical pipe 2; the other end is led out of a flushing interface from one side of the vertical pipe 2 and is used for externally connecting a flushing water source; one end of the feed pipe 7 positioned in the vertical pipe 2 is connected with a diffusion cap 8 through an elbow, and the other end of the feed pipe is led out of one side of the vertical pipe 2 to form a liquid inlet port for externally connecting a sodium nitrate concentrate liquid inlet pipeline to introduce concentrate liquid into the vertical pipe 2; the center-to-center distance between the flushing pipe 5 and the feeding pipe 7 is preferably 500mm.
The retainer ring 9 is located below the diffusion cap 8, is cone-shaped, has an upper opening diameter larger than a lower opening diameter, and the diffusion cap 10 is cone-shaped and has an upper tip for uniformly diffusing the entered concentrated solution. The retaining rings 9 and the dispersing caps 10 are arranged in two groups up and down, the distance between each retaining ring 9 and the dispersing cap 10 adjacent below is 150mm. The dispersing cap 10 is fixedly welded in the vertical pipe 2 through rib plates 11 uniformly distributed on the circumference, and the diameter of the lower opening of the retainer ring 9 is slightly larger than the maximum outer diameter of the lower end of the dispersing cap 10.
When the device works, the axial flow fan 3 is started, the flushing pipe 5 is opened, flushing fluid is enabled to pass through the flushing pipe 5 and the flushing nozzle 6, and cleaning fluid is sprayed into the vertical pipe 2; simultaneously, concentrated solution materials are introduced into the vertical pipe 2 through the feed pipe 7 and the diffusion cap 8, sprayed concentrated solution is uniformly dispersed through the check ring 9 and the diffusion cap 10, hot gas of the concentrated solution flows upwards under the action of the axial flow fan 3, flushing fluid sprayed out through the flushing nozzle 6 contacts with the hot gas, large particles in the hot gas can be filtered, the temperature of the hot gas is reduced, the hot gas continuously rises under the action of the axial flow fan 3, and the unfiltered particles in the hot gas are filtered through the silk screen filler and then are discharged. The concentrated liquid is diffused downwards through the two groups of check rings 9 and the dispersing caps 10 and then enters the flash tank 1 for subsequent treatment.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (4)
1. A flash tank feeding cooling device for sodium nitrate production, including the flash tank, characterized by: a vertical pipe is fixedly connected to the upper end of a feed inlet of the flash tank, an axial flow fan is arranged at the upper end of the vertical pipe, silk screen packing, a flushing pipe, a feed pipe, a check ring and a dispersing cap are sequentially arranged in the vertical pipe from top to bottom, the silk screen packing is close to the axial flow fan, one end of the flushing pipe, which is positioned in the vertical pipe, is connected with a flushing nozzle through an elbow, and the other end of the flushing pipe is led out of a flushing interface from one side of the vertical pipe for externally connecting a flushing water source; one end of the feed pipe, which is positioned in the vertical pipe, is connected with a diffusion cap through an elbow, and the other end of the feed pipe is led out of a liquid inlet port from one side of the vertical pipe and is used for being externally connected with a sodium nitrate concentrated solution inlet pipeline; the retainer ring is cone-shaped, the diameter of an upper opening is larger than that of a lower opening, and the dispersing cap is cone-shaped and has an upper tip end and is used for uniformly dispersing the entered concentrated solution.
2. The flash tank feed cooling apparatus for sodium nitrate production of claim 1, wherein: the retaining rings and the dispersing caps are arranged up and down in two groups, the distance between each retaining ring and the dispersing cap adjacent to the lower part is 100mm, and the distance between each retaining ring and the dispersing cap adjacent to the lower part is 150mm.
3. A flash tank feed cooling apparatus for sodium nitrate production according to claim 1 or 2, characterized in that: the dispersing caps are fixed in the vertical pipes through rib plates uniformly distributed on the circumference.
4. A flash tank feed cooling apparatus for sodium nitrate production according to claim 3, wherein: the diameter of the lower opening of the retainer ring is slightly larger than the outer diameter of the lower end of the dispersing cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321142525.XU CN219662900U (en) | 2023-05-12 | 2023-05-12 | Flash tank feeding cooling device for sodium nitrate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321142525.XU CN219662900U (en) | 2023-05-12 | 2023-05-12 | Flash tank feeding cooling device for sodium nitrate production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219662900U true CN219662900U (en) | 2023-09-12 |
Family
ID=87899334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321142525.XU Active CN219662900U (en) | 2023-05-12 | 2023-05-12 | Flash tank feeding cooling device for sodium nitrate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219662900U (en) |
-
2023
- 2023-05-12 CN CN202321142525.XU patent/CN219662900U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |