CN212214634U - Spray type drying tower - Google Patents
Spray type drying tower Download PDFInfo
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- CN212214634U CN212214634U CN202020625857.3U CN202020625857U CN212214634U CN 212214634 U CN212214634 U CN 212214634U CN 202020625857 U CN202020625857 U CN 202020625857U CN 212214634 U CN212214634 U CN 212214634U
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Abstract
The utility model relates to a spray drying tower, belonging to the technical field of drying tower cooling, and the technical problem solved by the utility model is to provide a spray drying tower, which adopts the technical proposal that; a spray drying tower comprising: the spray drying device comprises a drying tower body and a spray dryer, wherein a feed inlet is formed in the top of the drying tower body, a discharge outlet is formed in the bottom of the drying tower body, the spray dryer is arranged at the feed inlet of the drying tower body, a cooling device is arranged in an inner cavity of the lower portion of the drying tower body, the cooling device mainly comprises a plurality of annular chambers which are coaxially sleeved, adjacent annular chambers are communicated through a water conveying pipeline, the adjacent annular chambers are fixedly connected through fastening supports, and the annular chamber arranged on the outermost ring is fixed with the inner wall of the drying tower body through a fixing frame; the equipment is widely applied to the field of cooling of drying towers.
Description
Technical Field
The utility model belongs to the technical field of the drying tower cooling, concretely relates to atomizing drying tower.
Background
The spray drier is generally used for the drying process in the chemical field, and is widely applied due to the specific instant drying capability, the conventional spray drying equipment is that air is heated by a heater and then blown into a drying chamber from bottom to top, feed liquid to be dried is sprayed into superfine vaporous liquid beads through a high-speed centrifugal atomizer at the top of a tower body, the vaporous liquid beads are in parallel flow contact with hot air and can be dried into finished products in a very short time, the finished products are continuously output from the bottom of the drying tower and a cyclone separator, and waste gas is evacuated by an induced draft fan.
Since the most important purpose of a spray dryer is to dry the material instantaneously, the temperature of the hot air in the drying chamber plays a crucial role in the overall spray drying process. However, the temperature of the drying chamber is high, so that the finished product still has high temperature after leaving the spray dryer, and the temperature of the finished product is above 55 ℃ after spray drying, similarly to high molecular resin products (fine powdery materials, so that the heat is difficult to dissipate after accumulation) such as sulfometyl phenolic resin, so that the temperature reduction treatment of the high molecular material after spray drying can greatly influence the physical and chemical properties of the product if the product is not subjected to temperature reduction treatment after drying, and therefore, the temperature reduction treatment of the high molecular material after spray drying is very important.
The conventional common polymer materials are cooled by a physical cooling method after spray drying, and the method comprises the following specific operations: the material to be cooled is paved indoors, but the ventilation of the mode is relatively poor (because the ventilation effect is good, the powder material is blown up by wind formed by air flow, the environment pollution is caused, and the like), clean thick plastic or other materials capable of isolating the material from the ground can be used, the material to be cooled is turned over irregularly (the change of physicochemical properties caused by overhigh temperature of the material at the bottom is prevented), the cooling operation is stopped until the temperature of all the materials is reduced to the room temperature or is close to the room temperature (30 ℃), and the materials are weighed and packaged.
However, the above material cooling method has the following defects:
in winter, the external temperature is low, so the cooling time of the product is relatively short (about 3.5 hours is needed for cooling 1.0 ton of the product in a 5m2 area);
in summer, the external temperature is too high, so that the cooling time of the product is longer (about 6.0 hours is needed for cooling 1.0 ton of product in a 5m2 area);
when natural cooling is carried out, at least one worker is required to turn over the materials to be dried at random, and spray drying can not be carried out before the natural cooling of the products is finished, so that the production efficiency of the materials is reduced.
Therefore, it is an urgent need to solve the above-mentioned problems to provide a cooling device of a drying tower with good cooling effect and high cooling efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an atomizing drying tower for overcome the poor and problem that cooling efficiency is low of material cooling effect of current drying tower.
The utility model discloses the technical scheme who adopts does: a spray drying tower comprising: the drying tower comprises a drying tower body and a spray dryer, wherein a feed inlet is formed in the top of the drying tower body, a discharge outlet is formed in the bottom of the drying tower body, the spray dryer is arranged at the feed inlet of the drying tower body,
the inner cavity of the lower part of the drying tower body is provided with a cooling device, the cooling device mainly comprises a plurality of annular cavities which are coaxially sleeved, the annular cavities are uniformly distributed at the lower part of the drying tower body, the adjacent annular cavities are communicated through a water conveying pipeline, the adjacent annular cavities are fixedly connected through fastening brackets, and the annular cavity arranged at the outermost ring is fixed with the inner wall of the drying tower body through a fixing frame;
the bottom of the annular cavity at the outermost ring is provided with a water inlet which is communicated with a water supply device outside the drying tower body through a water inlet pipeline, the top of the annular cavity at the innermost ring is provided with a water outlet which is communicated with a water return device outside the drying tower body through a water outlet pipeline.
Further, the annular chamber is conical.
Further, the annular chambers may be arranged in 3, 5 or 7 groups.
Further, the water supply device is a tap water pipeline, and a water pump and a stop valve are further arranged on the tap water pipeline.
Further, the water return device is a water storage tank.
When the drying tower is used, the liquid material to be dried enters the drying tower body from the feeding hole firstly, the material is sprayed out through a spray head of the spray dryer, the material is contacted with hot air in the drying tower main body, the dry powder material formed by instant dehydration is a product, the product moves downwards under the action of gravity to an annular chamber at the lower part of the drying tower, the annular chamber is not only used for slowing down the falling speed of the product, but also is cooled by cooling water in the annular chamber, and the product cooled at last leaves the drying tower through the discharging hole to enter the next procedure.
Compared with the prior art, the utility model following beneficial effect has.
One, the utility model discloses a pair of atomizing drying tower sets up cooling device in drying tower body lower part, not only can slow down the speed that the material descends, makes the material after accomplishing spray drying and cooling device carry out abundant heat transfer, has reduced the temperature of material self, has avoided the thermal piling up of material, has optimized the result of use of material.
Two, the utility model discloses a pair of atomizing drying tower, the multiunit annular cavity of setting not only can be abundant even to the material cooling, has improved material cooling efficiency, keeps the good physical and chemical properties of material, and through the position that sets up water inlet and delivery port, guaranteed that every annular cavity is inside all to have sufficient cooling water, has increased annular cavity's heat transfer area.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a structural diagram of a spray drying tower of the present invention.
Fig. 2 is a view showing an internal structure of a cooling apparatus according to embodiment 1.
Fig. 3 is a plan view of the cooling device in example 1.
Fig. 4 is an internal structural view of a cooling apparatus in example 2.
In the figure, 1 is a drying tower body, 2 is a spray dryer, 3 is an annular chamber, 4 is a water pipeline, 5 is a fastening support, 6 is a fixing frame, 7 is a water inlet, and 8 is a water outlet.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Example 1
As shown in fig. 1, 2 and 3, a spray drying tower in the present embodiment includes: a drying tower body 1 and a spray dryer 2, wherein the top of the drying tower body 1 is provided with a feed inlet, the bottom of the drying tower body 1 is provided with a discharge outlet, the spray dryer 2 is arranged at the feed inlet of the drying tower body 1,
the inner cavity of the lower part of the drying tower body 1 is provided with a cooling device, the cooling device mainly comprises a plurality of coaxially sleeved annular chambers 3, the annular chambers 3 are conical, 3 groups of the annular chambers 3 can be arranged, the 3 groups of the annular chambers 3 are uniformly distributed on the lower part of the drying tower body 1, the adjacent annular chambers 3 are communicated through a water conveying pipeline 4, the adjacent annular chambers 3 are fixedly connected through fastening brackets 5, and the annular chamber 3 arranged at the outermost ring is fixed with the inner wall of the drying tower body 1 through a fixing frame 6;
the bottom of the annular chamber 3 at the outermost ring is provided with a water inlet 7, the water inlet 7 is communicated with a water supply device outside the drying tower body 1 through a water inlet pipeline, the top of the annular chamber 3 at the innermost ring is provided with a water outlet 8, and the water outlet 8 is communicated with a water return device outside the drying tower body 1 through a water outlet pipeline;
the water supply device is a tap water pipeline, a water pump and a stop valve are further arranged on the tap water pipeline, and the water return device is a water storage tank.
When the drying tower is used, the liquid material to be dried enters the drying tower body 1 from the feeding hole firstly, the material is sprayed out through the spray head of the spray dryer 2, the material is contacted with hot air in the drying tower body 1, the dry powder material formed by instant dehydration is the product, the product moves downwards under the action of gravity to the annular chamber 3 at the lower part of the drying tower, the annular chamber 3 not only reduces the falling speed of the product, but also cools the product due to cooling water in the annular chamber 3, and the product after being cooled finally leaves the drying tower through the discharging hole to enter the next procedure.
The cooling device can also adjust the flow of cooling water according to the temperature of the material and the quality of the material to be cooled so as to achieve the optimal cooling effect (namely, the opening of the stop valve is adjusted and controlled); meanwhile, the cooling water collected by the water return device in the cooling device after heat exchange can be subjected to cooling treatment (such as cooling through a fan), and a water source subjected to cooling treatment can be connected into a tap water pipeline again for recycling.
Example 2
As shown in fig. 1 and 4, a spray drying tower in the present embodiment includes: a drying tower body 1 and a spray dryer 2, wherein the top of the drying tower body 1 is provided with a feed inlet, the bottom of the drying tower body 1 is provided with a discharge outlet, the spray dryer 2 is arranged at the feed inlet of the drying tower body 1,
the inner cavity of the lower part of the drying tower body 1 is provided with a cooling device, the cooling device mainly comprises a plurality of coaxially sleeved annular chambers 3, the annular chambers 3 are cylindrical, 7 groups of the annular chambers 3 can be arranged, the 7 groups of the annular chambers 3 are uniformly distributed on the lower part of the drying tower body 1, the adjacent annular chambers 3 are communicated through a water conveying pipeline 4, the adjacent annular chambers 3 are fixedly connected through fastening brackets 5, and the annular chamber 3 arranged at the outermost ring is fixed with the inner wall of the drying tower body 1 through a fixing frame 6;
the bottom of the annular chamber 3 at the outermost ring is provided with a water inlet 7, the water inlet 7 is communicated with a water supply device outside the drying tower body 1 through a water inlet pipeline, the top of the annular chamber 3 at the innermost ring is provided with a water outlet 8, and the water outlet 8 is communicated with a water return device outside the drying tower body 1 through a water outlet pipeline;
the water supply device is a tap water pipeline, a water pump and a stop valve are further arranged on the tap water pipeline, and the water return device is a water storage tank.
When the drying tower is used, the liquid material to be dried enters the drying tower body 1 from the feeding hole firstly, the material is sprayed out through the spray head of the spray dryer 2, the material is contacted with hot air in the drying tower body 1, the dry powder material formed by instant dehydration is the product, the product moves downwards under the action of gravity to the annular chamber 3 at the lower part of the drying tower, the annular chamber 3 not only reduces the falling speed of the product, but also cools the product due to cooling water in the annular chamber 3, and the product after being cooled finally leaves the drying tower through the discharging hole to enter the next procedure.
The cooling device can also adjust the flow of cooling water according to the temperature of the material and the quality of the material to be cooled so as to achieve the optimal cooling effect (namely, the opening of the stop valve is adjusted and controlled); meanwhile, the cooling water collected by the water return device in the cooling device after heat exchange can be subjected to cooling treatment (such as cooling through a fan), and a water source subjected to cooling treatment can be connected into a tap water pipeline again for recycling.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (6)
1. A spray drying tower comprising: drying tower body (1) and spray drier (2), drying tower body (1) top is provided with the feed inlet, drying tower body (1) bottom is provided with the discharge gate, spray drier (2) set up in drying tower body (1) feed inlet department, its characterized in that:
a cooling device is fixedly arranged in an inner cavity at the lower part of the drying tower body (1), the cooling device mainly comprises a plurality of coaxially sleeved annular chambers (3), and the adjacent annular chambers (3) are communicated through a water conveying pipeline (4);
the drying tower is characterized in that a water inlet (7) is formed in the bottom of the annular chamber (3), the water inlet (7) is communicated with a water supply device outside the drying tower body (1) through a water inlet pipeline, a water outlet (8) is formed in the top of the annular chamber (3), and the water outlet (8) is communicated with a water return device outside the drying tower body (1) through a water outlet pipeline.
2. A spray drying tower according to claim 1, wherein: the annular chamber (3) is cylindrical.
3. A spray drying tower according to claim 1, wherein: the annular chamber (3) is conical.
4. A spray drying tower according to any one of claims 2 or 3, wherein: the water inlet (7) is arranged on the annular chamber (3) at the outermost ring, and the water outlet (8) is arranged on the annular chamber (3) at the innermost ring.
5. A spray drying tower according to claim 4, wherein: the annular chambers (3) may be arranged in 3, 5 or 7 groups.
6. A spray drying tower according to claim 1, wherein: and a filter screen is arranged in the water inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020625857.3U CN212214634U (en) | 2020-04-23 | 2020-04-23 | Spray type drying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020625857.3U CN212214634U (en) | 2020-04-23 | 2020-04-23 | Spray type drying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212214634U true CN212214634U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020625857.3U Active CN212214634U (en) | 2020-04-23 | 2020-04-23 | Spray type drying tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212214634U (en) |
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2020
- 2020-04-23 CN CN202020625857.3U patent/CN212214634U/en active Active
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