CN219318965U - Wall-sticking-preventing sugar powder spray drying system - Google Patents
Wall-sticking-preventing sugar powder spray drying system Download PDFInfo
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- CN219318965U CN219318965U CN202320238701.3U CN202320238701U CN219318965U CN 219318965 U CN219318965 U CN 219318965U CN 202320238701 U CN202320238701 U CN 202320238701U CN 219318965 U CN219318965 U CN 219318965U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a wall-sticking-preventing powdered sugar spray drying system, which comprises a dehumidifier, an air filter I, a steam heater, a drying tower, a slurry pump, an air filter II and a compressor, wherein a hollow shaft is arranged in the drying tower, and one end of the hollow shaft, which is arranged outside the drying tower, is communicated with an outlet of the steam heater through a communicating pipe; the section of the hollow shaft arranged inside the drying tower is communicated with an anti-sticking device attached to the inner side of the wall of the drying tower. According to the utility model, a hollow shaft is arranged in the drying tower in a drying mode of a jacketed drying tower, and the problem that sugar powder is adhered to the tower wall of the drying tower during drying is avoided in a mode of an air curtain or an air curtain plus a scraping plate; in addition, the utility model utilizes the temperature sensor I and the temperature sensor II to monitor the air inlet temperature of the hollow shaft and the hot air distributor, and feeds back the controller, and then adjusts the heating effect of the steam heater and the electric heater so as to meet the requirement of separately controlling the production temperatures at two positions.
Description
Technical field:
the utility model relates to a spray drying system, in particular to a wall-sticking-preventing sugar powder spray drying system.
The background technology is as follows:
the sugar powder is prepared from sugar vegetable or sugar cane by cutting, pretreating, squeezing, clarifying, evaporating sugar juice, boiling sugar, crystallizing, separating honey, and drying, wherein the crystallization of sugar powder generally adopts spray crystallization, i.e. part of crystallized sugar microcrystal is dried in spray drying equipment. The sugar powder spray drying system consists of a feeding part, a drying part, an air supply part and a sugar powder conveying part. The slurry from the pretreatment is pumped into a storage tank, the storage tank is connected with a feeding part, the feeding part conveys syrup to a drying part, and sugar powder after the drying part evaporates water is conveyed by a sugar powder conveying part and finally enters a product package. The main body of the drying part is a drying tower, a hot air distributor is arranged at the upper part of the tower, the hot air distributor is connected with the air supply part, and the high-speed centrifugal atomizer is connected with the hot air distributor; feeding the slurry into a drying tower through a high-speed atomizer, feeding drying hot air into the drying tower through a hot air distributor, and drying the slurry;
the existing sugar powder drying system has the following problems: the temperature in the drying tower is high, the temperature of the tower wall is difficult to control, and for the high DE value powdered sugar with higher softening temperature, the powdered sugar is easy to adhere to the wall when the slurry is dried, and the normal production is influenced; at present, a sugar refinery adopts a jacket type drying tower, circulating water is injected into a jacket to cool the tower wall, so that a certain relieving effect can be achieved, but the jacket type drying tower has a certain relieving effect, but has limited effect due to the fact that the temperature in the drying tower is high, the temperature of the tower wall is low, and the temperature difference between the tower interior and the tower wall is large.
The utility model comprises the following steps:
the utility model aims to provide a wall-sticking-preventing powdered sugar spray drying system.
The utility model is implemented by the following technical scheme: the utility model provides a powdered sugar spray drying system of antiseized wall, includes dehumidifier, air cleaner I, steam heater, drying tower, slurry pump, air cleaner II, compressor, the drying tower is jacket formula drying tower, dehumidifier, air cleaner I, steam heater and drying tower's hot air distributor loops through the pipe connection, air cleaner II with the compressor with the atomizer of drying tower loops through the pipe connection, the slurry pump with the atomizer of drying tower loops through the pipe connection also,
a hollow shaft is vertically arranged in the drying tower, one end of the hollow shaft penetrates through the drying tower and is arranged outside the drying tower, and one end of the hollow shaft arranged outside the drying tower is communicated with the steam heater outlet through a communicating pipe; the hollow shaft is arranged in one section of the drying tower and is communicated with the anti-sticking device attached to the inner side of the tower wall of the drying tower.
Preferably, the anti-sticking device comprises a splitter plate attached to the inner side of the tower wall of the drying tower, the splitter plate is communicated with the hollow shaft through a communicating pipe, and a spray head facing the inner part of the drying tower is arranged on the splitter plate.
Preferably, the anti-sticking device comprises a shunt tube and a scraper, the hollow shaft is rotationally connected with the drying tower, the shunt tube and the scraper are all arranged along the height direction of the drying tower, the shunt tube is attached to the inner side of the tower wall of the drying tower, the shunt tube and the scraper are all fixedly connected with the hollow shaft through a connecting piece, a spray head pointing to the tower wall of the drying tower is arranged on the shunt tube, and the shunt tube is communicated with the hollow shaft.
Preferably, the device further comprises a controller, an electric heater, a temperature sensor I and a temperature sensor II, wherein the temperature sensor I is arranged on the communicating pipe, the temperature sensor II is arranged on the hot air distributor of the drying tower, the electric heater is arranged on a pipeline which is communicated between the steam heater and the hot air distributor of the drying tower, the temperature sensor I and the temperature sensor II are both in signal connection with the input end of the controller, and the output end of the controller is respectively in signal connection with the steam heater and the electric heater.
The utility model has the advantages that:
1. according to the utility model, a hollow shaft is arranged in the drying tower in a drying mode of a jacketed drying tower, and the problem that sugar powder is adhered to the tower wall of the drying tower during drying is avoided in a mode of an air curtain or an air curtain plus a scraping plate;
2. the utility model utilizes the temperature sensor I and the temperature sensor II to monitor the air inlet temperature of the hollow shaft and the hot air distributor, and feeds back the controller, and then adjusts the heating effect of the steam heater and the electric heater so as to meet the requirement of separately controlling the production temperatures at two positions.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a wall-release sugar powder spray-drying system according to example 1;
fig. 2 is a schematic diagram of a wall-sticking preventive sugar powder spray-drying system of example 2.
In the figure: dehumidifier 1, air cleaner I2, steam heater 3, drying tower 4, hot air distributor 4.8, atomizer 4.1, flow dividing plate 4.2, shunt tubes 4.3, shower nozzle 4.4, scraper blade 4.5, connecting piece 4.6, hollow shaft 4.7, communicating pipe 5, slurry pump 6, air cleaner II 7, compressor 8, controller 9, electric heater 10, temperature sensor I11, temperature sensor II 12, cyclone 13.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
A wall-sticking preventive sugar powder spray drying system comprises a dehumidifier 1, an air filter I2, a steam heater 3, a drying tower 4, a slurry pump 6, an air filter II 7, a compressor 8, a controller 9, an electric heater 10, a temperature sensor I11 and a temperature sensor II 12, wherein the drying tower 4 is a jacketed drying tower 4, the dehumidifier 1, the air filter I2, the steam heater 3 and a hot air distributor 4.8 of the drying tower 4 are sequentially connected through pipelines, the air filter II 7, the compressor 8 and an atomizer 4.1 of the drying tower 4 are sequentially connected, the slurry pump 6 and the atomizer 4.1 of the drying tower 4 are also sequentially connected through pipelines,
a hollow shaft 4.7 is vertically arranged in the drying tower 4, one end of the hollow shaft 4.7 penetrates through the drying tower 4 and is arranged outside the drying tower 4, and one end of the hollow shaft 4.7 arranged outside the drying tower 4 is communicated with an outlet of the steam heater 3 through a communicating pipe 5; the section of the hollow shaft 4.7 arranged inside the drying tower 4 is communicated with an anti-sticking device attached to the inner side of the tower wall of the drying tower 4.
The temperature sensor I11 is arranged on the communicating pipe 5, the temperature sensor II 12 is arranged on the hot air distributor 4.8 of the drying tower 4, the electric heater 10 is arranged on a pipeline which is communicated between the steam heater 3 and the hot air distributor 4.8 of the drying tower 4, the temperature sensor I11 and the temperature sensor II 12 are both in signal connection with the input end of the controller 9, and the output end of the controller 9 is respectively in signal connection with the steam heater 3 and the electric heater 10.
In this embodiment, the anti-sticking device includes the adhesion at the inboard flow distribution plate 4.2 of drying tower 4 tower wall, and flow distribution plate 4.2 and hollow shaft 4.7 pass through communicating pipe 5 intercommunication, are equipped with on the flow distribution plate 4.2 towards the inside shower nozzle 4.4 of drying tower 4.
In this embodiment, a circle of holes is designed on the side wall of one end of the hollow shaft 4.7 arranged outside the drying tower 4, a sealing element is sleeved at the position of the hole of the hollow shaft 4.7, sealing is needed between the sealing element and the hollow shaft 4.7, an air inlet hole is also designed outside the sealing element, and the communicating pipe 5 is communicated with the air inlet hole.
Working principle:
the slurry is sent into an atomizer 4.1 of the drying tower 4 through a slurry pump 6, atomized by compressed air filtered by an air filter II 7 and enters the drying tower 4; simultaneously, hot air dehumidified by the dehumidifier 1, filtered by the air filter I2, heated by the steam heater 3 and the electric heater 10 enters the drying tower 4 from the hot air distributor 4.8 of the drying tower 4, and the heated slurry is dried;
in this embodiment, in order to prevent the hot slurry from sticking to the wall, the air heated by the steam heater 3 is split into one path and enters the drying tower 4 from the communicating pipe 5, and an air curtain is formed on the inner side of the tower wall through the splitter plate 4.2, so that the contact between the material and the tower wall is avoided, and the wall sticking prevention effect is realized.
In this embodiment, since the temperature of the air entering the drying tower 4 from the splitter plate 4.2 cannot be too high (the temperature is too high to further increase the viscosity of the material), and the temperature of the hot air entering the drying tower 4 from the hot air distributor 4.8 is required to be high, the temperature sensor I11 and the temperature sensor II 12 are provided to monitor the temperature of the two air, and the controller 9 is fed back to adjust the heating effect of the steam heater 3 and the electric heater 10, so as to meet the production temperature requirement.
Example 2
Unlike example 1, the anti-sticking device comprises a shunt tube 4.3 and a scraper 4.5, the hollow shaft 4.7 is rotationally connected with the drying tower 4 (the hollow shaft 4.7 rotates, the sealing element is static, the hole on the hollow shaft 4.7 can be always communicated with the hole outside the sealing element), the shunt tube 4.3 and the scraper 4.5 are all arranged along the height direction of the drying tower 4, the shunt tube 4.3 and the scraper 4.5 are attached to the inner side of the tower wall of the drying tower 4, the shunt tube 4.3 and the scraper 4.5 are all fixedly connected with the hollow shaft 4.7 through a connecting piece 4.6, a spray head 4.4 pointing to the tower wall of the drying tower 4 is arranged on the shunt tube 4.3, and the shunt tube 4.3 is communicated with the hollow shaft 4.7.
In the embodiment, the high-speed air is blown to the inner wall of the drying tower 4 by adopting the spray head 4.4, and the mode of scraping the inner wall of the drying tower 4 by the scraping plate 4.5 is adopted to prevent the sugar powder from sticking to the wall.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The utility model provides a powdered sugar spray drying system of antiseized wall, includes dehumidifier, air cleaner I, steam heater, drying tower, slurry pump, air cleaner II, compressor, the drying tower is jacket formula drying tower, dehumidifier, air cleaner I, steam heater and drying tower's hot air distributor loops through the pipe connection, air cleaner II with the compressor with the atomizer of drying tower loops through the pipe connection, slurry pump with the atomizer of drying tower loops through the pipe connection also, its characterized in that,
a hollow shaft is vertically arranged in the drying tower, one end of the hollow shaft penetrates through the drying tower and is arranged outside the drying tower, and one end of the hollow shaft arranged outside the drying tower is communicated with the steam heater outlet through a communicating pipe; the hollow shaft is arranged in one section of the drying tower and is communicated with the anti-sticking device attached to the inner side of the tower wall of the drying tower.
2. The wall-sticking preventing powdered sugar spray drying system according to claim 1, wherein the wall-sticking preventing device comprises a splitter plate attached to the inner side of the wall of the drying tower, the splitter plate is communicated with the hollow shaft through a communicating pipe, and a spray head facing the inside of the drying tower is arranged on the splitter plate.
3. The anti-sticking wall powdered sugar spray drying system according to claim 1, wherein the anti-sticking device comprises a shunt tube and a scraper, the hollow shaft is rotationally connected with the drying tower, the shunt tube and the scraper are both arranged along the height direction of the drying tower, the shunt tube and the scraper are attached to the inner side of the tower wall of the drying tower, the shunt tube and the scraper are both fixedly connected with the hollow shaft through a connecting piece, a spray head pointing to the tower wall of the drying tower is arranged on the shunt tube, and the shunt tube is communicated with the hollow shaft.
4. A wall-sticking preventing sugar powder spray drying system according to any one of claims 1 to 3, further comprising a controller, an electric heater, a temperature sensor I and a temperature sensor II, wherein the temperature sensor I is arranged on the communicating pipe, the temperature sensor II is arranged on a hot air distributor of the drying tower, the electric heater is arranged on a pipeline communicated between the steam heater and the hot air distributor of the drying tower, the temperature sensor I and the temperature sensor II are both in signal connection with an input end of the controller, and an output end of the controller is respectively in signal connection with the steam heater and the electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238701.3U CN219318965U (en) | 2023-02-10 | 2023-02-10 | Wall-sticking-preventing sugar powder spray drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238701.3U CN219318965U (en) | 2023-02-10 | 2023-02-10 | Wall-sticking-preventing sugar powder spray drying system |
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| Publication Number | Publication Date |
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| CN219318965U true CN219318965U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320238701.3U Active CN219318965U (en) | 2023-02-10 | 2023-02-10 | Wall-sticking-preventing sugar powder spray drying system |
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| CN (1) | CN219318965U (en) |
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2023
- 2023-02-10 CN CN202320238701.3U patent/CN219318965U/en active Active
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