CN212998434U

CN212998434U - Spray drying device

Info

Publication number: CN212998434U
Application number: CN202021003424.0U
Authority: CN
Inventors: 杨灿; 侯爱珍; 张楠
Original assignee: Yunnan Yuyao Biopharmaceutical Co ltd
Current assignee: Yunnan Yuyao Biopharmaceutical Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-04-20
Anticipated expiration: 2030-06-04

Abstract

The utility model belongs to the pharmaceutical field, in particular to a spray drying device, wherein an atomizer is arranged at the upper end of a drying chamber, and the upper end of the atomizer is respectively connected with a feed liquid tank and an air heater through pipelines; the lower extreme of drying chamber is provided with the vibration exciter, and the middle section of drying chamber passes through the pipeline to be connected with cyclone I upper portion, and the lower extreme of drying chamber passes through the pipeline for the discharge gate to be connected with cyclone II upper portion, and cyclone I lower extreme passes through the pipeline to be connected with cyclone II upper portion, and cyclone II's lower extreme is provided with the farine accumulator, and cyclone II and cyclone I upper end are provided with wide gauze mask through the pipeline, wide gauze mask is the big little back taper cover body in upper end of lower extreme, and wide gauze mask sets up the top at the feed liquor jar. The utility model discloses can realize cooling off the hot-air and retrieve, retrieve drying process once more to the finished product of adulteration in the hot-air, avoid off-the-shelf waste and avoid the polluted environment.

Description

Spray drying device

Technical Field

The utility model belongs to the pharmacy field, concretely relates to spray drying device.

Background

The spray drying apparatus is an apparatus that can perform drying and granulation simultaneously. The working process comprises the following steps: firstly, heating air, then feeding the heated air into a spray drying tower, making the feed liquid pass through a high-speed centrifugal atomizer at the top of the spray drying tower, and (rotatably) spraying the feed liquid into ultrafine atomized liquid beads, and making the ultrafine atomized liquid beads be in parallel flow contact with hot air, and drying the ultrafine atomized liquid beads into a finished product in a very short time. The finished product and the hot air are separated by the cyclone separator, the obtained finished product is collected at the bottom of the cyclone separator, the hot air is directly discharged or discharged after cooling, but the discharged air may be mixed with the finished product, thereby causing the waste of the finished product and polluting the environment.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a spray drying device can cool down the hot-air and retrieve, drying process again.

The specific technical scheme is as follows: a spray drying device comprises a material liquid tank, a material conveying pump, an air filter, an air feeder, an air heater, an atomizer, a drying chamber, a cyclone separator and a fine powder recovery tank, wherein the atomizer is arranged at the upper end of the drying chamber, the lower end of the atomizer extends into the drying chamber, the upper end of the atomizer is respectively connected with the material liquid tank and the air heater through pipelines, the material conveying pump is arranged on the pipeline connecting the material liquid tank and the atomizer, and the air feeder and the air filter are arranged at the front end of the air heater; the lower extreme of drying chamber is provided with the vibration exciter, and the middle section of drying chamber passes through the pipeline and is connected on cyclone I upper portion, and inside the pipeline stretched into the drying chamber, the lower extreme of drying chamber passed through the pipeline for the discharge gate and is connected on cyclone II upper portion, and cyclone I lower extreme passes through the pipeline and is connected on cyclone II upper portion, and cyclone II's lower extreme is provided with the farine accumulator, and cyclone II and cyclone I upper end are provided with wide gauze mask through the recovery tube, wide gauze mask is the big little back taper cover body in upper end of lower extreme, and the wide gauze mask sets up in the top of feed liquid jar, and the wide gauze mask can realize in the evacuation of air after the condensation and the downstream entering feed liquid jar of effective component of recovery.

Furthermore, the recovery pipeline at the upper ends of the cyclone separator II and the cyclone separator I is vertically upwards and then is bent and obliquely downwards, so that backflow is facilitated.

Furthermore, coolers are arranged on the recovery pipelines at the upper ends of the cyclone separator II and the cyclone separator I, which are inclined downwards, and the condensers are arranged on the recovery pipelines, so that hot air in the recovery pipelines can be condensed and the effective components in the hot air can be recovered.

Furthermore, water pipes are arranged at the positions, obliquely downwards, of the upper end recovery pipelines of the cyclone separator II and the cyclone separator I, and gate valves are arranged on the water pipes; opening the gate valve to flush the recovery pipeline after drying is finished, and drying and extracting effective components remained in the recovery pipeline through the drying chamber; the gate valve is closed during the drying process.

Furthermore, a vibration exciter is arranged on the wide-mouth cover, and collected liquid of the recovery pipeline can flow downwards conveniently in a vibration exciting mode.

Has the advantages that: the utility model discloses can realize cooling off the hot-air and retrieve, retrieve drying process once more to the finished product of adulteration in the hot-air, avoid off-the-shelf waste and avoid the polluted environment.

Drawings

FIG. 1 is a schematic view of the present invention;

wherein, 1, the feed liquid tank; 2, a material delivery pump; 3, an air filter; 4, a blower; 5 an air heater; 6, an atomizer; 7, a drying chamber; 801 cyclone separator I; 802 cyclone separator II; 9 a fine powder recovery tank; 10 wide mouth mask; 11 a recovery pipeline; 12 a cooler; 13 a water pipe; 14 vibration exciter.

Detailed Description

The spray drying device shown in fig. 1 comprises a feed liquid tank 1, a feed delivery pump 2, an air filter 3, a blower 4, an air heater 5, an atomizer 6, a drying chamber 7, a cyclone separator 8 and a fine powder recovery tank 9, wherein the atomizer 6 is arranged at the upper end of the drying chamber 7, the lower end of the atomizer 6 extends into the drying chamber 7, the upper end of the atomizer 6 is respectively connected with the feed liquid tank 1 and the air heater 5 through pipelines, the feed delivery pump 2 is arranged on the pipeline connecting the feed liquid tank 1 and the atomizer 6, and the blower 4 and the air filter 3 are arranged at the front end of the air heater 5; the lower extreme of drying chamber 7 is provided with vibration exciter 14, and the middle section of drying chamber 7 passes through the pipeline and is connected with cyclone I801, and the lower extreme of drying chamber 7 is the discharge gate and passes through the pipeline and be connected with cyclone II802 upper portion, and cyclone I801 lower extreme passes through the pipeline and is connected with cyclone II802 upper portion, and the lower extreme of cyclone II802 is provided with fine powder accumulator 9, and cyclone II802 and cyclone I801 upper end are provided with wide gauze mask 10 through recovery tube 11, wide gauze mask 10 is the big end of lower extreme back taper cover body that the upper end is little, and wide gauze mask 10 sets up in the top of feed liquid jar 1.

Further, the recovery pipeline 11 at the upper ends of the cyclone separator II802 and the cyclone separator I801 is arranged vertically upwards and then bends and inclines downwards.

Further, a cooler 12 is arranged on the recovery pipeline with the upper ends of the cyclone separator II802 and the cyclone separator I801 inclined downwards.

Further, a water pipe 13 is arranged at the position, obliquely downwards, of the recovery pipeline at the upper ends of the cyclone separator II802 and the cyclone separator I801, and a gate valve is arranged on the water pipe 13.

Further, a vibration exciter 12 is provided on the wide mouth mask 10.

The air is filtered and heated and enters the drying chamber. The feed liquid is sprayed into fine foggy liquid beads by a high-speed centrifugal atomizer at the top of the tower body in a rotating way, and the fine foggy liquid beads are in parallel flow contact with hot air and can be dried into finished products in a short time. The finished product is continuously output from the bottom of the drying tower and the cyclone separator, the waste gas passes through the wide-mouth mask after being cooled by the recovery pipeline, the waste gas is discharged into the air, and the feed liquid is condensed and part of condensed water drops are converged and flow down to the feed liquid tank 1.

Claims

1. A spray drying device comprises a material liquid tank, a material conveying pump, an air filter, an air feeder, an air heater, an atomizer, a drying chamber, a cyclone separator and a fine powder recovery tank, wherein the atomizer is arranged at the upper end of the drying chamber, the lower end of the atomizer extends into the drying chamber, the upper end of the atomizer is respectively connected with the material liquid tank and the air heater through pipelines, the material conveying pump is arranged on the pipeline connecting the material liquid tank and the atomizer, and the air feeder and the air filter are arranged at the front end of the air heater; the lower extreme of drying chamber is provided with the vibration exciter, and the middle section of drying chamber passes through the pipeline to be connected with cyclone I upper portion, and the lower extreme of drying chamber passes through the pipeline for the discharge gate to be connected with cyclone II upper portion, and cyclone I lower extreme passes through the pipeline to be connected with cyclone II upper portion, and cyclone II's lower extreme is provided with the farine accumulator tank, its characterized in that, and cyclone II and cyclone I upper end are provided with wide gauze mask through the recovery tube, wide gauze mask is the big little back taper cover body in upper end of lower extreme, and the gauze mask sets up the top at the feed liquor jar.

2. A spray drying device according to claim 1, wherein the cyclone II and the recovery duct at the upper end of the cyclone I are arranged vertically upwards and then bent obliquely downwards.

3. A spray drying device according to claim 2, wherein the cyclone II and the cyclone I are provided with a cooler on their upper end in a downward inclined recovery duct.

4. A spray drying device according to claim 3, wherein the cyclone II and the cyclone I are provided with water pipes at the upper ends of the recovery pipes which are inclined downwards, and the water pipes are provided with gate valves.

5. A spray drying device according to claim 4 in which the wide mouth housing is provided with an exciter.