CN215609377U - High-efficient low-consumption spray drying method drying equipment - Google Patents
High-efficient low-consumption spray drying method drying equipment Download PDFInfo
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- CN215609377U CN215609377U CN202121925984.6U CN202121925984U CN215609377U CN 215609377 U CN215609377 U CN 215609377U CN 202121925984 U CN202121925984 U CN 202121925984U CN 215609377 U CN215609377 U CN 215609377U
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Abstract
The utility model relates to a high-efficiency and low-consumption spray drying device, which comprises a drying cylinder, wherein a liquid pipeline is arranged in the drying cylinder near the top, an atomizing nozzle is arranged on the liquid pipeline, and the drying cylinder is vertically arranged and supported by a bracket; the interior of the drying cylinder is divided into a slowly descending preliminary drying cavity at the upper part and a deep drying cavity at the lower part; in the slow descending preliminary drying cavity, a plurality of layers of annular drying plates A are arranged along the wall of the drying cylinder, the annular drying plates A are conical, the conical tips of the annular drying plates A face downwards, and spaces are reserved between the annular drying plates A; blades with different height positions are arranged along the central line of the drying cylinder through the rotating shaft; also comprises a scraper. The utility model achieves the following beneficial effects: slowing down the falling speed, increasing the drying path, prolonging the drying time, having good drying effect and saving the cost.
Description
Technical Field
The utility model relates to a drying equipment technical field, especially a spray drying method drying equipment of high-efficient low consumption.
Background
The petroleum additive is generally prepared from various raw materials, is prepared in an aqueous solution, and needs to be dried after the preparation is finished.
The traditional drying method mainly comprises various modes such as spraying, flash evaporation, boiling and the like, wherein the spray drying is widely applied because the moisture is quickly removed.
However, in the common spray drying equipment, only after atomization, high-temperature drying gas is used for drying; the atomized water droplets are gradually dried in the course of descending. Since the atomized water droplets fall all the time, a higher drying tower is necessary to achieve good drying during the fall. Other companies have chosen to introduce large volumes of drying gas into the bottom of the drying tower to delay the fall.
However, the cost is very high whether a drying tower with a higher height is built or a large amount of drying gas is introduced, and particularly, the introduction of a large amount of drying gas needs a large amount of heat, but the heat cannot be effectively utilized, and the energy is wasted.
Therefore, this scheme improves on traditional atomizing drying equipment's basis, the energy saving, reduce cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the spray drying equipment which has the advantages of reducing the falling speed, increasing the drying path, prolonging the drying time, having good drying effect and saving the cost, and has high efficiency and low consumption.
The purpose of the utility model is realized by the following technical scheme: a high-efficiency low-consumption spray drying device comprises a drying cylinder, wherein a liquid pipeline is arranged in the drying cylinder and close to the top of the drying cylinder, an atomizing nozzle is arranged on the liquid pipeline, and the drying cylinder is vertically arranged and supported by a bracket;
the interior of the drying cylinder is divided into a slowly descending preliminary drying cavity at the upper part and a deep drying cavity at the lower part;
in the slow-descending primary drying cavity, a plurality of layers of annular drying plates A are arranged along the wall of the drying cylinder, the annular drying plates A are conical, the conical tips of the annular drying plates A face downwards, and spaces are reserved among the annular drying plates A; blades with different height positions are arranged along the central line of the drying cylinder through the rotating shaft;
the blade on the pivot forms upwards, outside wind-force when rotating, and the blade of the superiors disperses the liquid of atomizer, and the blade of intermediate level disperses the powder after preliminary drying, and the blade of the lower floor disperses the powder after drying again.
Furthermore, the rotating shaft is cylindrical, the upper end of the rotating shaft is closed, and the rotating shaft is connected with a dry hot gas pipeline through a rotating joint; the rotating shaft is also connected with a motor in a driving way; the top wall plate of the drying cylinder is provided with a wind suction cylinder. Namely, dry hot air is introduced through the rotating shaft, and steam is pumped away through the air pumping barrel.
Preferably, the upper end of the rotating shaft extends out of the drying cylinder, a sealing bearing B is arranged between the upper end of the rotating shaft and the drying cylinder, a rotary joint is sleeved outside the extending end of the rotating shaft, the top end of the rotating shaft is connected with a motor, and the motor is fixed on the drying cylinder through a support frame. The rotary joint is arranged to realize the rotation of the rotary shaft and the introduction of dry hot air into the rotary shaft.
Preferably, the lower end of the rotating shaft extends into the deep drying cavity. The drying hot air rises from the bottom and can also take away the steam in the deep drying cavity.
Furthermore, a scraper is arranged on the annular drying plate A and is connected with a sealing bearing A on the rotating shaft through a connecting rod; the connecting rod is provided with an electromagnetic telescopic pin, the rotating shaft is also fixedly provided with a supporting rod, and the electromagnetic telescopic pin is contacted with the supporting rod when extending out, so that the scraper plate can rotate. The material on the annular drying plate A is scraped away through the scraper, and the arrangement of the electromagnetic telescopic pin ensures that the scraper A scrapes once at intervals.
Furthermore, annular drying plates B and annular drying plates C are sequentially arranged in the deep drying cavity in a staggered manner from top to bottom; the annular drying plate B is arranged along the wall of the drying cylinder, and the edge of the annular drying plate C is spaced from the wall of the drying cylinder and arranged through the support rods;
the annular drying plate B and the annular drying plate C are both conical, the conical tip of the annular drying plate B faces downwards, and the conical tip of the annular drying plate C faces upwards; the powder on the annular drying plate B falls to the lower annular drying plate C, and the powder of the annular drying plate C again falls to the structure of the other annular drying plate B.
Preferably, the inner diameter of the plurality of annular drying plates A is gradually reduced from top to bottom; from top to bottom, the inside diameter of annular drying plate C is less than the inside diameter of annular drying plate B.
Furthermore, a top drying plate is arranged above the liquid pipeline on the rotating shaft; the top drying plate and the inner wall of the drying cylinder are provided with a space for steam to pass through, and a filtering layer is arranged at the space. The top drying plate is arranged, so that blown liquid can be blocked and can fall after being dried; the filter screen is arranged to prevent the powder from being contained in the steam and to block the powder.
Preferably, the rotating shaft is further provided with a scraping piece, the scraping piece is located below the filter layer, and the scraping piece is connected with the rotating shaft through a rod piece. Due to the arrangement of the scraping piece, the filter screen is prevented from being full of powder.
The utility model has the following advantages:
(1) by arranging the rotating shaft and the blades, when the rotating shaft rotates, the blades generate upward and outward wind power, atomized liquid sprayed by the atomizing nozzle is acted by the wind power, the upward wind power reduces the descending speed of the atomized liquid, so that the atomized liquid can be dried for more time, the outward wind can disperse the atomized liquid outwards, and the atomized liquid falls on the annular drying plate A for primary drying; compared with the traditional mode that atomized liquid directly falls down to be dried, the scheme has better drying effect;
(2) powder formed after drying on the annular drying plate A on the uppermost layer is scraped by the scraper blade, and in the process of scraping and falling, the powder is acted by the wind power of the other blade, then falls onto the annular drying plate A on the lower side and is dried; finally, the powder enters the deep drying cavity, and sequentially falls and is dried on the annular drying plate B and the annular drying plate C, and the hot air can be discharged from the lower end of the rotating shaft, so that the powder of the annular drying plate B and the powder of the annular drying plate C can be blown downwards by the hot air, and accumulation is avoided;
(3) when the electromagnetic telescopic pin extends out, the scraper can rotate along with the rotating shaft through the support rod instead of the scraper uniformly rotates, so that the retention time of powder on the annular drying plate A is long, and the drying effect is further improved; namely, the intermittent scraping is realized;
(4) the top drying plate, the filter screen and the scraping piece are arranged, so that the atomized liquid flying upwards can be dried;
(5) this scheme slows down the descending of atomized liquid or powder through the blade, need not to provide dry high temperature in a large number hot-blastly, also need not to establish too high a stoving section of thick bamboo, has effectively practiced thrift the cost.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a schematic view of the interior of the drying cylinder;
FIG. 4 is a schematic structural view of a slow-descending preliminary drying chamber;
FIG. 5 is a schematic structural view of a deep drying chamber according to the present invention;
in the figure: 1-drying cylinder, 2-atomizing nozzle, 3-preliminary drying cavity, 4-deep drying cavity, 5-annular drying plate A, 6-rotating shaft, 7-blade, 8-rotary joint, 9-motor, 10-air suction cylinder, 11-scraper, 12-connecting rod, 13-sealing bearing A, 14-electromagnetic telescopic pin, 15-supporting rod, 16-annular drying plate B, 17-annular drying plate C, 18-top drying plate, 19-filtering layer and 20-scraper.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1, fig. 2 and fig. 3, a high-efficiency and low-consumption spray drying apparatus includes a drying cylinder 1, a liquid pipeline is disposed in the drying cylinder 1 near the top, an atomizing nozzle 2 is disposed on the liquid pipeline, and the drying cylinder 1 is vertically disposed and supported by a support. Inside the drying cylinder 1, a slowly descending primary drying cavity 3 at the upper part and a deep drying cavity 4 at the lower part are formed.
For the slow-descending preliminary drying chamber 3, as shown in fig. 3 and 4: comprises a multi-layer drying plate A5, and an annular drying plate A5 is arranged in contact with the wall of the drying cylinder 1; the annular drying plates A5 are spaced; and the annular drying plates a5 are all conical and have the conical tips facing downwards.
A rotating shaft 6 is arranged at the position along the central line of the drying cylinder 1, and the rotating shaft 6 is driven by a motor 9; blades 7 with different height positions are arranged on the rotating shaft 6, and the blades 7 generate wind power towards the upper side and the outer side. Wherein, the blade 7 of the uppermost layer disperses the liquid of the atomizing spray head 2, the blade 7 of the middle layer disperses the powder after primary drying, and the blade 7 of the lowermost layer disperses the powder after drying.
In the scheme, dry hot air enters through the rotating shaft 6. Specifically, the rotating shaft 6 is cylindrical, the upper end of the rotating shaft is closed, and the rotating shaft is connected with a drying hot gas pipeline through a rotating joint 8; the rotating shaft 6 is also connected with a motor 9 in a driving way; a draught fan barrel 10 is arranged on the top wall plate of the drying barrel 1. Namely, dry hot air is introduced through the rotating shaft 6, and steam is pumped away through the air pumping cylinder 10.
In this embodiment, when the rotating shaft 6 is installed, the upper end of the rotating shaft 6 extends out of the drying cylinder 1, and a sealing bearing B is arranged between the upper end and the drying cylinder 1, the extending end of the rotating shaft 6 is sleeved with a rotating joint 8, the top end of the rotating shaft 6 is connected with a motor 9, and the motor 9 is fixed on the drying cylinder 1 through a support frame. The rotary joint 8 is arranged to realize the rotation of the rotating shaft 6 and the introduction of the drying hot air into the rotating shaft 6.
When the powder dried on the annular drying plate a5 cannot automatically fall off, the scraper 11 must be designed for this purpose, and the scraper 11 is required not to rotate frequently and the structure is not too complicated, because the frequent rotation will affect the staying time of the powder on the annular drying plate a5, and the structure is complicated to leave a large amount of powder on the structure. For this purpose, in the present embodiment, as shown in fig. 4: a scraper 11 is arranged on the annular drying plate A5, and the scraper 11 is connected with a sealing bearing A13 on the rotating shaft 6 through a connecting rod 12; an electromagnetic telescopic pin 14 is installed on the connecting rod 12, a supporting rod 15 is further fixed on the rotating shaft 6, and the electromagnetic telescopic pin 14 is in contact with the supporting rod 15 when extending out, so that the scraper 11 rotates. The material on the annular drying plate A5 is scraped away by the scraper 11, and the electromagnetic telescopic pin 14 is arranged so that the scraper A5 scrapes once every certain time.
For the deep drying chamber 4, as shown in fig. 5: the annular drying plates B16 and the annular drying plates C17 are arranged in a staggered manner from top to bottom in sequence; annular drying plate B16 is arranged along the wall of drying drum 1, the edge of annular drying plate C17 is spaced from the wall of drying drum 1, and the two are arranged through a support rod; the annular drying plate B16 and the annular drying plate C17 are both conical, the conical tip of the annular drying plate B16 faces downwards, and the conical tip of the annular drying plate C17 faces upwards; the powder on the annular baking plate B16 falls to the lower annular baking plate C17, and the powder on the annular baking plate C17 falls to the next annular baking plate B16.
In the scheme, as shown in fig. 4, a top drying plate 18 is also arranged above the liquid pipeline on the rotating shaft 6; top drying plate 18 has a distance from the inner wall of drum 1 for steam to pass through, and a filter layer 19 is disposed at the distance. The top drying plate 18 is arranged, so that the blown liquid can be blocked and can fall after being dried; the filter screen 19 is provided to prevent the powder from being contained in the steam and to block the powder.
And a scraping piece 20 is arranged on the rotating shaft 6, the scraping piece 20 is positioned below the filter layer 19, and the scraping piece 20 is connected with the rotating shaft 6 through a rod. The scraper 20 is arranged to prevent the filter screen 19 from being full of powder.
In this embodiment, the lower end of the rotating shaft 6 extends into the deep drying chamber 4. The drying hot air is allowed to rise from the bottom, and the steam in the deep drying cavity 4 can be taken away.
In this embodiment, the plurality of annular drying plates a5 have a gradually decreasing inner diameter from top to bottom; in the top-down direction, the inner diameter of annular bake plate C17 is smaller than the inner diameter of annular bake plate B16.
The above examples only represent preferred embodiments, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. The utility model provides a spray drying method drying equipment that high-efficient low consumption, includes drying cylinder (1), is close to top position department in drying cylinder (1) and is provided with liquid pipeline, is provided with atomizer (2) on the liquid pipeline, and drying cylinder (1) is vertical to be set up and to be supported its characterized in that through the support:
the interior of the drying cylinder (1) is divided into a slowly descending primary drying cavity (3) at the upper part and a deep drying cavity (4) at the lower part;
in the slow-descending primary drying cavity (3), a plurality of layers of annular drying plates A (5) are arranged along the wall of the drying cylinder (1), the annular drying plates A (5) are conical, conical tips are downward, and spaces are reserved between the annular drying plates A (5); blades (7) with different height positions are arranged along the central line of the drying cylinder (1) through the rotating shaft (6);
blade (7) on pivot (6) form during the rotation upwards, to the outside wind-force, blade (7) of the superiors are with the liquid dispersion of atomizer (2), and powder dispersion after preliminary drying is dispersed to medial blade (7), and powder dispersion after drying is again dispersed to blade (7) of the lower floor.
2. The drying apparatus with high efficiency and low consumption according to claim 1, wherein: the rotating shaft (6) is cylindrical, the upper end of the rotating shaft is closed, and the rotating shaft is connected with a dry hot gas pipeline through a rotating joint (8);
the rotating shaft (6) is also in driving connection with a motor (9);
and a wind suction barrel (10) is arranged on the top wall plate of the drying barrel (1).
3. The high-efficiency low-consumption spray drying method drying equipment as claimed in claim 2, wherein the spray drying method drying equipment comprises the following steps: a scraper (11) is arranged on the annular drying plate A (5), and the scraper (11) is connected with a sealing bearing A (13) on the rotating shaft (6) through a connecting rod (12);
the scraper blade (11) is characterized in that an electromagnetic telescopic pin (14) is installed on the connecting rod (12), a supporting rod (15) is further fixed on the rotating shaft (6), and the electromagnetic telescopic pin (14) is in contact with the supporting rod (15) when extending out, so that the scraper blade (11) can rotate.
4. The drying apparatus with high efficiency and low consumption according to claim 3, wherein: annular drying plates B (16) and annular drying plates C (17) are sequentially arranged in the deep drying cavity (4) in a staggered manner from top to bottom;
the annular drying plate B (16) is arranged along the wall of the drying cylinder (1), the edge of the annular drying plate C (17) has a distance with the wall of the drying cylinder (1), and the annular drying plate B and the annular drying plate C are arranged through a support rod;
the annular drying plate B (16) and the annular drying plate C (17) are both conical, the conical tip of the annular drying plate B (16) faces downwards, and the conical tip of the annular drying plate C (17) faces upwards; the powder on the annular drying plate B (16) falls onto the lower annular drying plate C (17), and the powder on the annular drying plate C (17) falls onto the other annular drying plate B (16).
5. The drying apparatus with high efficiency and low consumption according to claim 4, wherein: the inner diameter of the plurality of annular drying plates A (5) is gradually reduced from top to bottom;
in the top-down direction, the inner diameter of the annular drying plate C (17) is smaller than the inner diameter of the annular drying plate B (16).
6. The drying apparatus with high efficiency and low consumption according to claim 5, wherein: the upper end of the rotating shaft (6) extends out of the drying cylinder (1) and a sealing bearing B is arranged between the rotating shaft and the drying cylinder, a rotary joint (8) is sleeved outside the extending end of the rotating shaft (6), the top end of the rotating shaft (6) is connected with a motor (9), and the motor (9) is fixed on the drying cylinder (1) through a support frame.
7. The drying apparatus with high efficiency and low consumption according to claim 6, wherein: the lower end of the rotating shaft (6) extends into the deep drying cavity (4).
8. The high-efficiency low-consumption spray drying method drying equipment as claimed in any one of claims 4 to 7, wherein the drying equipment comprises: a top drying plate (18) is also arranged above the liquid pipeline on the rotating shaft (6);
a space for facilitating the steam to pass through is arranged between the top drying plate (18) and the inner wall of the drying cylinder (1), and a filter layer (19) is arranged at the space.
9. The drying apparatus with high efficiency and low consumption according to claim 8, wherein: the rotating shaft (6) is further provided with a scraping piece (20), the scraping piece (20) is located below the filter layer (19), and the scraping piece (20) is connected with the rotating shaft (6) through a rod piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121925984.6U CN215609377U (en) | 2021-08-17 | 2021-08-17 | High-efficient low-consumption spray drying method drying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121925984.6U CN215609377U (en) | 2021-08-17 | 2021-08-17 | High-efficient low-consumption spray drying method drying equipment |
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| CN215609377U true CN215609377U (en) | 2022-01-25 |
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| CN202121925984.6U Active CN215609377U (en) | 2021-08-17 | 2021-08-17 | High-efficient low-consumption spray drying method drying equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117695690A (en) * | 2024-01-31 | 2024-03-15 | 山东齐鲁中牧生物科技有限公司 | Spray type drying device for producing mixed feed additive and preparation method thereof |
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2021
- 2021-08-17 CN CN202121925984.6U patent/CN215609377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117695690A (en) * | 2024-01-31 | 2024-03-15 | 山东齐鲁中牧生物科技有限公司 | Spray type drying device for producing mixed feed additive and preparation method thereof |
| CN117695690B (en) * | 2024-01-31 | 2024-04-23 | 山东齐鲁中牧生物科技有限公司 | Spray type drying device for mixed feed additive production and preparation method of mixed feed additive |
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