Condensation granulation device

Abstract

The utility model discloses a condensation granulation device, and relates to the technical field of granulation devices, the condensation granulation device comprises a dripping part, and a material drips from top to bottom in the dripping part; a liquid carrier is conveyed in the outer pipe body from top to bottom, and the liquid carrier drives the materials to move downwards; the heat exchanger is arranged outside the outer pipe body, a cooling agent circularly flows in the heat exchanger from bottom to top, and the cooling agent exchanges heat with the liquid carrier and the material, so that the material is condensed and granulated. The condensing device has the advantages of being high in yield of condensing particles and good in condensing uniformity.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of a granulating device, in particular to a condensation granulating device. BACKGROUND

[0002] Micro-encapsulation of medicines can cover the bad smell and taste of medicines, improve the stability of medicines, reduce the stimulation of medicines to the digestive tract, solidify liquid medicines for convenient use, avoid compatibility changes of medicines in compound preparations, and wrap living cells or bioactive substances. A granulating device is a commonly used production equipment in the pharmaceutical process. Particles formed by spraying and granulating are prone to breakage due to collision with the equipment, thereby reducing the yield. CONTENT OF THE UTILITY MODEL

[0003] The application provides a condensation granulating device, which has the advantages of high yield of condensed particles and good condensation uniformity, and adopts the following technical scheme:

[0004] The condensation granulating device comprises a dripping component, a material drips from top to bottom in the dripping component; an outer pipe body, a liquid carrier is conveyed from top to bottom in the outer pipe body, the liquid carrier drives the material to move downward; and a heat exchanger, which is arranged outside the outer pipe body, a coolant circulates from bottom to top in the heat exchanger, the coolant exchanges heat with the liquid carrier and the material, so that the material completes condensation granulation.

[0005] Preferably, the heat exchanger comprises an outer wall, an inner wall and a spiral layer plate, the inner wall is attached to the outer pipe body, the spiral layer plate is arranged on the inner wall, and a gap is formed between the spiral layer plate and the outer wall, and the coolant spirally rises from bottom to top along the spiral layer plate.

[0006] Preferably, a solid-liquid separator is connected to the lower end of the outer pipe body, the solid-liquid separator is used for separating the liquid carrier and the material after granulation, the separated liquid carrier is circulated into a heater, and the heater heats the liquid carrier and then circulates the liquid carrier into the outer pipe body.

[0007] Preferably, the dripping component comprises an inner pipe body and an intermediate pipe body, the intermediate pipe body is arranged outside the inner pipe body and located in the outer pipe body, and the gap between the intermediate pipe body and the inner pipe body is uniform.

[0008] Preferably, a core material is circulated into the inner pipe body, and a shell material is circulated into the intermediate pipe body, and when the core material drips, the shell material is wrapped on the outer surface of the core material.

[0009] In summary, the application has the following beneficial effects:

[0010] The utility model discloses simple structure passes through setting liquid carrier in the outer pipe body and drives the material that the dripping part drops to move downward, passes through heat exchanger heat exchange simultaneously to make the material realize condensation granulation, separates after granulating with liquid carrier, avoided the material of granulation and equipment direct impact, improved the granulation effect and yield, gradually cooling through the coolant in heat exchanger from bottom to top gradually, guarantee the temperature of condensation gradually reduces with the material falling down, improved the condensation granulation uniformity. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the whole structure schematic diagram of the embodiment of the application;

[0012] Figure 2 It is the local schematic diagram of heat exchanger in the embodiment of the application;

[0013] Reference signs: inner pipe body 1, intermediate pipe body 2, outer pipe body 3, heat exchanger 4, solid-liquid separator 5, heater 6, outer wall 41, inner wall 42, spiral layer board 43. DETAILED DESCRIPTION

[0014] The following combines the drawings Figures 1-2 The application is further described in detail.

[0015] Wherein, same parts are indicated by same reference signs. It should be noted that, the words "front", "back", "left", "right", "up", "down", "bottom surface" and "top surface" used in the following description refer to the direction in the drawings, and the words "inner" and "outer" refer to the direction towards or away from the geometric center of a particular component.

[0016] The application discloses a condensation granulation device, which comprises a dripping part, an outer pipe body 3 and a heat exchanger 4. The dripping part drips material from top to bottom. The outer pipe body 3 is internally provided with liquid carrier, which drives the material to move downward. The heat exchanger 4 is arranged outside the outer pipe body 3. The heat exchanger 4 is internally provided with coolant, which circulates from bottom to top. The coolant exchanges heat with the liquid carrier and the material to complete condensation granulation of the material.

[0017] That is, the lower end of the heat exchanger 4 is the coolant inlet, and the upper end is the coolant outlet. After heat exchange, the temperature of the coolant rises. The downward inlet and upward outlet of the coolant can ensure that the temperature of the material gradually decreases during the downward dripping process, thereby ensuring the uniformity of temperature change during condensation.

[0018] Combining Figure 2The heat exchanger 4 comprises an outer wall 41, an inner wall 42 and spiral layer plates 43, the inner wall 42 is attached to the outer pipe body 3, the spiral layer plates 43 are arranged on the inner wall 42, and the spiral layer plates 43 are provided with gaps between the outer wall 41, and the coolant spirally rises upwards along the spiral layer plates 43. When the heat exchanger 4 works, the coolant can gradually flow upwards along the spiral layer plates 43, and the gaps between the spiral layer plates 43 and the outer wall 41 can connect the coolant flowing outwards, keep pressure balance, and ensure the flow effect of the coolant.

[0019] Preferably, the lower end of the outer pipe body 3 is connected with a solid-liquid separator 5, the solid-liquid separator 5 is used for separating the liquid carrier and the granulated material, and the separated liquid carrier is circulated into the heater 6, and the heater 6 heats the liquid carrier and then circulates the liquid carrier into the outer pipe body 3.

[0020] In other words, the conventional granulating device is impacted by the equipment after high-speed jet granulation, and then the granulation is broken, the application receives the granulated material by the liquid carrier, and the solid-liquid separator 5 such as a solid-liquid separation net is used for solid-liquid separation, so that the impact of the granulated material is avoided, the yield is improved, the heater 6 can heat the liquid carrier and then recycle the liquid carrier, and the cost is reduced.

[0021] The dropping component comprises the inner pipe body 1 and the intermediate pipe body 2, the intermediate pipe body 2 is arranged outside the inner pipe body 1 and located in the outer pipe body 3, and the gaps between the intermediate pipe body 2 and the inner pipe body 1 are uniform. Specifically, the inner pipe body 1 is provided with the core material, the intermediate pipe body 2 is provided with the shell material, and the shell material is wrapped on the outer surface of the core material when the core material drops.

[0022] That is to say, the inner pipe body 1, the intermediate pipe body 2 and the outer pipe body 3 are coaxially arranged in the embodiment, and the intermediate pipe body 2 and the outer pipe body 3 are provided with annular gaps, so that the shell material can be uniformly wrapped on the outer surface of the core material, and the wrapped material and the liquid carrier are uniformly contacted, and the uniformity of the condensation temperature is ensured.

[0023] In summary, the application has the following beneficial effects:

[0024] The application has the following beneficial effects:

[0025] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A condensation granulation apparatus characterized by: The application relates to a device for condensing and granulating materials. The device comprises a dripping part in which materials drip from top to bottom; an outer tube (3) in which a liquid carrier is transported from top to bottom, the liquid carrier driving the materials to move downwards; a heat exchanger (4) arranged outside the outer tube (3), in which a coolant circulates from bottom to top, the coolant performing heat exchange with the liquid carrier and the materials so that the materials complete condensation and granulation. The heat exchanger (4) comprises an outer wall (41), an inner wall (42) and spiral lamellas (43), the inner wall (42) being attached to the outer tube (3), the spiral lamellas (43) being arranged on the inner wall (42), the spiral lamellas (43) having gaps between the outer wall (41), and the coolant spirally rising from bottom to top along the spiral lamellas (43). A solid-liquid separator (5) is connected to the lower end of the outer tube (3), the solid-liquid separator (5) being used for separating the liquid carrier and the granulated materials, the separated liquid carrier being introduced into a heater (6), the heater (6) heating the liquid carrier and then circulating the liquid carrier into the outer tube (3).

2. A condensation granulator according to claim 1, characterised in that: The dripping part comprises an inner tube (1) and an intermediate tube (2), the intermediate tube (2) being arranged outside the inner tube (1) and located in the outer tube (3), and the gaps between the intermediate tube (2) and the inner tube (1) being uniform.

3. A condensation granulator according to claim 2, wherein: The inner tube (1) is filled with core materials, and the intermediate tube (2) is filled with shell materials, the shell materials being coated on the outer surface of the core materials when the core materials drip.

4. A condensation granulator according to claim 3, wherein: ​ 5. A condensation granulator according to claim 4, wherein: ​

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