CN218410642U

CN218410642U - Modified starch drying device

Info

Publication number: CN218410642U
Application number: CN202222891179.7U
Authority: CN
Inventors: 刘孟亚; 张程祥; 张敬防; 王坤; 申永花
Original assignee: Henan Zhenghong Pharmaceutical Accessories Co ltd
Current assignee: Henan Zhenghong Pharmaceutical Accessories Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-01-31
Anticipated expiration: 2032-11-01

Abstract

The patent of the utility model specifically discloses a modified starch drying device, including the drying can with smash and roll the storehouse, smash and roll the first discharge gate of storehouse lower extreme and arrange the material union coupling, arrange the material pipe coaxial interlude in the inlet pipe of drying can upper end, and the inlet pipe with arrange the annular channel between the material pipe and be equipped with coaxial helical blade, and then the inlet pipe, arrange and constitute the spiral air flue between material pipe and the helical blade, the upper end of spiral air flue and the air supply union coupling that provides the hot-blast, wherein, arrange the lower extreme that the material was managed and be higher than the lower extreme of inlet pipe. This device is with hot-blast and modified starch intensive mixing, increases both area of contact, and then can effectively improve drying efficiency to reduce time and the cost that the drying consumes.

Description

Modified starch drying device

Technical Field

The utility model belongs to the technical field of the technique of medicine assistance production and processing equipment and specifically relates to a modified starch drying device.

Background

Modified starch is one of important industrial raw and auxiliary materials and can be widely applied to the pharmaceutical industry, the modified starch is divided into four categories of physical modified starch, chemical modified starch, enzymatic modified starch and composite modified starch according to a treatment mode, and the treated modified starch has some special physical and chemical properties.

At present, in the process of producing modified starch, drying treatment needs to be carried out on the modified starch by drying equipment used in a drying procedure, such as Chinese patents: CN207811632U, a modified starch drying device, which discloses a drying apparatus for drying modified starch, however, the modified starch drying device has the following problems in practical use:

modified starch piles up in the bottom in dry storehouse under the effect of gravity behind the feed inlet entering dry storehouse, and hot-blast after getting into dry storehouse from the discharge tube only can with pile up in the upper surface contact of the modified starch of dry storehouse bottom, unable abundant contact modified starch, lead to modified starch's drying efficiency low, need consume longer time.

Disclosure of Invention

The utility model provides a modified starch drying device to with hot-blast and modified starch intensive mixing, increase both areas of contact, and then can effectively improve drying efficiency, with time and the cost that reduce the drying and consume.

To achieve the above object, the present application provides:

the utility model provides a modified starch drying device, includes the drying can and smashes and rolls the storehouse, smash and roll the first discharge gate of storehouse lower extreme and arrange the material union coupling, arrange the material pipe coaxial interlude in the inlet pipe of drying can upper end, just the inlet pipe is equipped with coaxial helical blade with arranging the annular channel between the material pipe, and then the inlet pipe, arrange and constitute the spiral air flue between material pipe and the helical blade, the upper end of spiral air flue and the air supply union coupling that provides the hot-blast, wherein, the lower extreme of arranging the material pipe is higher than the lower extreme of inlet pipe.

Further, the air source comprises a hot air blower.

Furthermore, the air heater comprises an exhaust fan and an air supply pipe, the air supply pipe is surrounded by a heat conduction pipe, and the air supply pipe is wound by an electric heating wire.

Further, the air outlet of the drying tank is connected with the air inlet pipe of the exhaust fan.

Further, an air outlet of the drying tank is provided with an air filtering module.

Further, the device comprises a short pipe coaxially sleeved on the discharge pipe, the upper end of the short pipe is connected with the bottom of the crushing and rolling bin, and the lower end of the short pipe, the air source and the upper end of the feeding pipe are connected through a three-way joint.

Furthermore, crushing storehouse rolls includes the storehouse body, is located a pair of relative pivoted crushing roller and the driving motor of drive crushing roller in the storehouse body, just the upper end of the storehouse body is equipped with the feeder hopper, and the lower extreme sets up first discharge gate.

Compared with the prior art, the utility model provides a modified starch drying device, modified starch gets into the mixing chamber along arranging the material pipe after smashing and rolling storehouse and smashing, and meanwhile, the steam that is provided by the air supply gets into the mixing chamber along spiral air flue, so modified starch and hot-blast contact in the mixing chamber are mixed, and under the guide of spiral air flue, hot-blast flow along the spiral route, and then can stir modified starch after getting into the mixing chamber, in order to break up the modified starch that gets into in the mixing chamber, thereby realize the intensive mixing between hot-blast and the modified starch; in addition, after the hot air is discharged into the drying tank, the modified starch falling into the drying tank can be heated and dried for the second time; the device can increase the contact area of the two, and further can effectively improve the drying efficiency so as to reduce the time consumed by drying and the energy consumption cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, 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 modified starch drying apparatus provided in example 1 of the present application;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of a modified starch drying apparatus provided in example 2 of the present application.

Wherein:

drying tank 1, inlet pipe 2, three way connection 3, driving motor 4, storehouse body 5, feeder hopper 6, nozzle stub 7, arrange material pipe 8, helical blade 9, blast pipe 10, air outlet 11, air filter module 12, air heater 13, second discharge gate 14, electric heating wire 15, air exhauster 16, mix cavity 17.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 3, an embodiment of the present application provides a modified starch drying device, which includes a drying tank 1 and a pulverizing and rolling chamber, wherein a first discharge port at the lower end of the pulverizing and rolling chamber is connected to a discharge pipe 8, the discharge pipe 8 is coaxially inserted into a feed pipe 2 at the upper end of the drying tank 1, a second discharge port 14 is arranged at the bottom of the drying tank 1, a coaxial helical blade 9 is arranged in an annular channel between the feed pipe 2 and the discharge pipe 8, a helical air passage is formed between the feed pipe 2, the discharge pipe 8 and the helical blade 9, the upper end of the helical air passage is connected to an air source pipe providing hot air, and the lower end of the discharge pipe 8 is higher than the lower end of the feed pipe 2;

specifically, the crushing and rolling bin is used for receiving raw materials and crushing the raw materials, the raw materials are modified starch, the crushing and rolling bin discharges the modified starch from a first discharge port after crushing the modified starch, and the modified starch enters the drying tank 1 along the discharging pipe 8 and the feeding pipe 2, it is noted that a gap between the upper end of the feeding pipe 2 and the discharging pipe 8 is sealed by an annular end cover, wherein the outer edge of a helical blade 9 and the inner wall of the feeding pipe 2 are welded and fixed, a micro gap is arranged between the inner edge of the helical blade 9 and the discharging pipe 8, it is ensured that the discharging pipe 8 can be inserted into a central hole of the helical blade 9, and then hot air conveyed by an air source flows downwards along a helical air passage to enter the drying tank 1; in addition, the lower end of the discharge pipe 8 is set higher than the lower end of the feed pipe 2 so that a mixing chamber 17 is formed between the lower end of the feed pipe 2 and the lower end of the discharge pipe 8.

When the modified starch drying device provided by the utility model is used, the modified starch enters the mixing cavity 17 along the discharge pipe 8 after being crushed by the crushing and rolling bin, and meanwhile, hot air provided by the air source enters the mixing cavity 17 along the spiral air passage, so that the modified starch and the hot air are contacted and mixed in the mixing cavity 17, and under the guidance of the spiral air passage, the hot air flows along the spiral path, and then the modified starch can be stirred after entering the mixing cavity 17, so as to scatter the modified starch entering the mixing cavity 17, thereby realizing the full mixing between the hot air and the modified starch; in addition, after the hot air is discharged into the drying tank 1, the modified starch falling into the drying tank 1 can be heated and dried for the second time; the device can increase the contact area of the two, and further can effectively improve the drying efficiency so as to reduce the time consumed by drying and the energy consumption cost.

It should be noted that a heater may be disposed at the bottom of the drying tank 1 to heat the bottom of the drying tank 1, so as to further improve the heating efficiency.

Additionally, as the hot air is discharged from the mixing cavity 17, a negative pressure is formed at the lower end of the discharge pipe 8 to accelerate the discharge of the raw materials from the crushing and grinding bin.

On the basis of the above embodiment, as shown in fig. 1, in embodiment 1 as the gas source, the gas source includes a hot air blower 13, the hot air blower 13 is fixed on the side wall of the drying cylinder 1, and the hot air blower 13 extracts the outside air and discharges the heated air into the spiral air duct.

On the basis of the above embodiment, as shown in fig. 2, in embodiment 2 as the air supply, the air supply comprises an exhaust fan 16 and a blast pipe 10, the blast pipe 10 is surrounded by a heat conducting pipe, and the blast pipe 10 is wound by a motor hot wire 15.

For better technical effect, in this embodiment, the air outlet 11 of the drying tank 1 is connected with the air inlet pipe of the exhaust fan 16 to fully utilize the waste heat of the exhaust gas discharged from the air outlet 11 of the drying tank 1, and since the air supply pipe 10 is heated by the motor hot wire 15, there is no danger of explosion when heating due to dust contained in the exhaust gas.

On the basis of the above embodiment, the air outlet 11 of the drying tank 1 is provided with an air filtering module 12 to filter the dust in the exhaust gas, and specifically, the air filtering module 12 can be selected from a filter screen.

On the basis of the embodiment, the crushing and grinding device further comprises a short pipe 7 coaxially sleeved on the discharging pipe 8, the upper end of the short pipe 7 is connected with the bottom of the crushing and grinding bin, and the lower end of the short pipe 7, an air source and the upper end of the feeding pipe 2 are connected through a three-way joint 3;

specifically, the upper end of nozzle stub 7 and the bottom welding that smashes and roll the storehouse to seal nozzle stub 7's upper end, so, nozzle stub 7's lower extreme, inlet pipe 2's upper end and air supply three respectively with three interface connection of three way connection 3, make things convenient for later stage dismouting to overhaul.

On the basis of the above embodiment, the crushing and rolling bin comprises a bin body 5, a pair of crushing rollers which rotate relatively and are positioned in the bin body 5, and a driving motor 4 for driving the crushing rollers, wherein the driving motor 4 is fixed on the side surface of the bin body 5, the upper end of the bin body 5 is provided with a feed hopper 6, and the lower end of the bin body is provided with a first discharge hole;

specifically, after the modified starch enters the bin body 5 from the feed hopper 6, the modified starch is crushed by the crushing rollers which rotate relatively, and is discharged into the discharge pipe 8 through the first discharge port under the action of gravity.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The present invention has been described in detail above. The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the method and its core concept. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a modified starch drying device, includes the drying can and smashes and rolls the storehouse, its characterized in that, smash and roll the first discharge gate of storehouse lower extreme and arrange the material union coupling, arrange the material pipe coaxial interlude in the inlet pipe of drying can upper end, just the inlet pipe is equipped with coaxial helical blade in arranging the annular channel between the material pipe and arranging the material pipe, and then constitute spiral air flue between inlet pipe, row's material pipe and the helical blade, spiral air flue's upper end and the air supply union coupling that provides the hot-blast, wherein, the lower extreme of arranging the material pipe is higher than the lower extreme of inlet pipe.

2. The modified starch drying apparatus of claim 1 wherein the air source comprises a hot air blower.

3. The modified starch drying device of claim 2, wherein the air heater comprises an exhaust fan and an air supply pipe, the air supply pipe is surrounded by a heat conducting pipe, and the air supply pipe is surrounded by an electric heating wire.

4. The modified starch drying apparatus of claim 3, wherein the air outlet of the drying tank is connected to an air inlet pipe of an air blower.

5. The modified starch drying apparatus of any one of claims 1 to 4, wherein an air outlet of the drying tank is provided with an air filtration module.

6. The modified starch drying device of claim 5, further comprising a short pipe coaxially sleeved on the discharging pipe, wherein the upper end of the short pipe is connected with the bottom of the crushing and rolling bin, and the lower end of the short pipe, the air source and the upper end of the feeding pipe are connected through a tee joint.

7. The modified starch drying device of claim 6, wherein the crushing and rolling bin comprises a bin body, a pair of crushing rollers rotating relatively and located in the bin body, and a driving motor for driving the crushing rollers, and the bin body is provided with a feed hopper at the upper end and a first discharge port at the lower end.