CN214371308U - Sodium nitrate particle drying device - Google Patents
Sodium nitrate particle drying device Download PDFInfo
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- CN214371308U CN214371308U CN202022958311.2U CN202022958311U CN214371308U CN 214371308 U CN214371308 U CN 214371308U CN 202022958311 U CN202022958311 U CN 202022958311U CN 214371308 U CN214371308 U CN 214371308U
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Abstract
The utility model discloses a sodium nitrate granule drying device, include: the air heat exchanger is provided with a hot air outlet, the fluidized bed is provided with a first air inlet at one side and a second air inlet at the other side, the hot air outlet is communicated with the first air inlet, the second air inlet is communicated with the outside air, the fluidized bed is also provided with a feed inlet, a discharge outlet and an air outlet, sodium nitrate particles to be treated enter the fluidized bed from the feed inlet, and are discharged from the discharge outlet after the drying is finished; and the air outlet of the bag filter is communicated with the air inlet of the bag filter. The utility model can ensure that the sodium nitrate granules can be effectively and fully dried, and the dried sodium nitrate granules can not have too high temperature when being discharged from the discharge outlet; through setting up bag filter, should set up and to intercept the filtration from the sodium nitrate granule in the air outlet exhaust mist effectively, accomplish the effective recovery to the sodium nitrate granule, the environmental protection.
Description
Technical Field
The utility model relates to a chemical industry equipment field, more specifically say so and relate to a sodium nitrate granule drying device.
Background
The sodium nitrate solution needs to be dried after being cooled and crystallized, the drying treatment is generally carried out by a fluidized bed, a steam heater is needed to heat air, but the temperature of the tail end of the fluidized bed is higher in the drying process, so that the subsequent process equipment is high-temperature resistant, the moisture absorption phenomenon exists in sodium nitrate particles in the conveying process, the moisture of the product is higher, meanwhile, a part of sodium nitrate fine powder is brought out from a gas outlet at the upper part of the fluidized bed, the part of sodium nitrate fine powder is directly discharged under normal conditions, certain waste is caused, and meanwhile, certain pollution is caused to the environment.
Therefore, how to provide a drying device for sodium nitrate granules, which can overcome the above problems, is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a sodium nitrate granule drying device. Solves the problems that the temperature is too high when the sodium nitrate is discharged from the fluidized bed after being dried and the sodium nitrate in the gas discharged from the fluidized bed can not be recycled.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sodium nitrate granule drying apparatus comprising:
an air heat exchanger provided with a hot air outlet,
the fluidized bed is characterized in that a shell of the fluidized bed is provided with a first air inlet, a second air inlet, a feeding hole, a discharging hole and an air outlet, and the hot air outlet is communicated with the first air inlet; the second air inlet is communicated with the outside air; sodium nitrate particles to be treated enter the fluidized bed from the feeding hole, and are discharged from the discharging hole after drying is finished;
and the air outlet of the bag filter is communicated with an air inlet of the bag filter.
According to the technical scheme, compared with the prior art, the utility model discloses a sodium nitrate particle drying device, the utility model discloses a through set up air intake one and air intake two on the fluidized bed, this setting can guarantee that the sodium nitrate particle can be effectively and fully dried, and the sodium nitrate particle after drying can not have too high temperature when discharging from the discharge gate; and can intercept the filtration from the sodium nitrate granule in the air outlet exhaust mist effectively, avoid polluting the external environment, accomplish the effective recovery to the sodium nitrate granule to save raw materials cost.
Preferably, the hot air outlet is communicated with the first air inlet through a pipeline, and a first induced draft fan is connected between the two communicated pipelines in series. This setting can guarantee to fill into the fluidized bed from air intake one from hot air outlet exhaust hot-air effectively and forcefully, can guarantee the vulcanization effect of fluidized bed.
Preferably, a second induced draft fan is further arranged, and a blowing port of the second induced draft fan is communicated with the air inlet through a pipeline. This setting can guarantee that outside normal atmospheric temperature air can enter into the fluidized bed effectively, guarantees its cooling effect to the sodium nitrate granule that has dried.
Preferably, a third induced draft fan is further arranged, and an air inlet of the third induced draft fan is communicated with an air outlet of the bag filter through a pipeline. The arrangement enables the gas flowing out of the bag filter to have a certain flow rate, and the filtering effect and the filtering efficiency of the belt filter are improved.
Through foretell technical scheme, compare with prior art, the utility model discloses a sodium nitrate granule drying device is provided. The following technical effects can be achieved:
the utility model has the advantages that the first air inlet and the second air inlet are arranged on the fluidized bed, the first air inlet is communicated with the air heat exchanger, the second air inlet is communicated with the outdoor normal temperature air, the arrangement can ensure that the sodium nitrate particles can be effectively and fully dried, and the dried sodium nitrate particles can not have too high temperature when being discharged from the discharge outlet; through setting up bag filter, and bag filter and the air outlet intercommunication of fluidized bed, this setting can be effectively with the sodium nitrate granule interception filtration in the mist from the air outlet exhaust, avoids polluting the external environment to accomplish the effective recovery to the sodium nitrate granule, save raw materials cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a connection structure of a sodium nitrate granule drying device.
In the figure:
the device comprises an air heat exchanger 1, a hot air outlet 10, a fluidized bed 2, an air inlet I20, an air inlet II 21, a feed inlet 22, a discharge outlet 23, an air outlet 24, a bag filter 3, an air inlet 30, an air outlet 31, a draught fan I4, a draught fan II 5, an air blowing port 50, a draught fan III 6 and an air inlet 60.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses a sodium nitrate granule drying device, the utility model discloses a through set up air intake one 20 and air intake two 21 on fluidized bed 2, air intake one 20 communicates with air heat exchanger 1, air intake two 21 communicates with outdoor normal atmospheric temperature air, this setting can guarantee that the sodium nitrate granule can be effectively and fully dried, and the sodium nitrate granule after drying can not have too high temperature when discharging from discharge gate 23; through setting up bag filter 3, and bag filter 3 and fluidized bed 2's air outlet 24 intercommunication, this setting can be effectively with the sodium nitrate granule interception filtration in the gas mixture from air outlet 24 exhaust, avoids polluting the external environment to accomplish the effective recovery to the sodium nitrate granule, save raw materials cost.
Examples
Refer to the attached figure 1 for the whole and partial structure schematic diagram of an embodiment of the utility model, the utility model discloses a sodium nitrate granule drying device specifically, include:
an air heat exchanger 1, the air heat exchanger 1 is provided with a hot air outlet 10,
the fluidized bed 2 is characterized in that a shell of the fluidized bed 2 is provided with a first air inlet 20, a second air inlet 21, a feeding hole 22, a discharging hole 23 and an air outlet 24, and the hot air outlet 10 is communicated with the first air inlet 20; the second air inlet 21 is communicated with the outside air; sodium nitrate particles to be treated enter the fluidized bed 2 from the feeding hole 22, and are discharged from the discharging hole 23 after drying is finished;
and the air outlet 24 of the bag filter 3 is communicated with an air inlet 30 of the bag filter 3.
More specifically, the hot air outlet 10 is communicated with the first air inlet 20 through a pipeline, and a first induced draft fan 4 is connected in series between the two communicated pipelines.
Further specifically, a second induced draft fan 5 is further arranged, and a blowing opening 50 of the second induced draft fan 5 is communicated with the second air inlet 21 through a pipeline.
Further specifically, a third induced draft fan 6 is further arranged, and an air inlet 60 of the third induced draft fan 6 is communicated with the air outlet 31 of the bag filter 3 through a pipeline.
More specifically, the temperature inside the fluidized bed 2 is 80 to 90 ℃ at a position close to the first air inlet 20, and 40 to 50 ℃ at a position close to the second air inlet 21.
The working process and the principle of the sodium nitrate particle drying device are as follows:
firstly, air entering the fluidized bed 2 is heated by the air heat exchanger 1, hot air discharged from the hot air outlet 10 enters one side of the fluidized bed 2 by arranging the induced draft fan I4, the temperature of the position, close to the air inlet I20, in the fluidized bed 2 is ensured to be maintained at 80-90 ℃, the feed inlet 22 is arranged on the fluidized bed 2 and opposite to the air inlet I20, sodium nitrate particles to be dried enter the fluidized bed 2 from the feed inlet 22, at the moment, the sodium nitrate particles are fully dried in the fluidized bed 2, the induced draft fan II 5 is in a working state when the induced draft fan I4 works, external normal-temperature air can be filled into the fluidized bed 2 through the induced draft fan II 5 and the air inlet II 21, the temperature of the position, close to the air inlet II 21, in the fluidized bed 2 is maintained at 40-50 ℃, the dried sodium nitrate particles are cooled, the cooled sodium nitrate particles are discharged from the discharge hole 23, and since the first air inlet 20 and the second air inlet 21 are simultaneously filled with gas from the fluidized bed 2, the mixed gas with the sodium nitrate fine powder in the fluidized bed 2 is discharged from the air outlet 24 at the upper part of the fluidized bed 2, the air outlet 24 is communicated with the air inlet 30 of the bag filter 3, the mixed gas mixed with the sodium nitrate fine powder discharged from the fluidized bed 2 is discharged after being filtered by the bag filter 3, and part of the sodium nitrate particles can be recovered by the bag filter 3.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A sodium nitrate granule drying device, comprising:
an air heat exchanger (1), the air heat exchanger (1) is provided with a hot air outlet (10),
the fluidized bed (2), the shell of the fluidized bed (2) is provided with a first air inlet (20), a second air inlet (21), a feeding hole (22), a discharging hole (23) and an air outlet (24), and the hot air outlet (10) is communicated with the first air inlet (20); the second air inlet (21) is communicated with the outside air; sodium nitrate particles to be treated enter the fluidized bed (2) from the feeding hole (22), and are discharged from the discharging hole (23) after drying is finished;
the air outlet (24) of the bag filter (3) is communicated with an air inlet (30) of the bag filter (3).
2. The sodium nitrate particle drying device according to claim 1, wherein the hot air outlet (10) is communicated with the first air inlet (20) through a pipeline, and a first induced draft fan (4) is connected between the two communicated pipelines in series.
3. The sodium nitrate particle drying device according to claim 1, further comprising a second induced draft fan (5), wherein a blowing port (50) of the second induced draft fan (5) is communicated with the second air inlet (21) through a pipeline.
4. The sodium nitrate particle drying device according to claim 1, which is further provided with a third induced draft fan (6), wherein an air inlet (60) of the third induced draft fan (6) is communicated with an air outlet (31) of the bag filter (3) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022958311.2U CN214371308U (en) | 2020-12-09 | 2020-12-09 | Sodium nitrate particle drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022958311.2U CN214371308U (en) | 2020-12-09 | 2020-12-09 | Sodium nitrate particle drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214371308U true CN214371308U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022958311.2U Active CN214371308U (en) | 2020-12-09 | 2020-12-09 | Sodium nitrate particle drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214371308U (en) |
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2020
- 2020-12-09 CN CN202022958311.2U patent/CN214371308U/en active Active
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