CN-122015466-A - Intelligent flow regulating and drying equipment

CN122015466ACN 122015466 ACN122015466 ACN 122015466ACN-122015466-A

Abstract

The invention relates to intelligent flow regulating and drying equipment which comprises a feeding pipe, a drying pipe, a discharging pipe and an air flow recovery part, wherein the feeding pipe comprises a pipe body, a piston, a pushing part and an impact part, a cylindrical accommodating cavity is formed in the pipe body in a hollow mode and is formed in the length direction of the pipe body, the piston is arranged in the accommodating cavity and can be matched with the accommodating cavity in a sliding mode in the length direction of the pipe body, the side wall of the piston is attached to the inner wall of the accommodating cavity, the pushing part is used for pushing the piston to move in the length direction of the pipe body, the impact part is connected with one end, connected with the drying pipe, of the accommodating cavity, a slit is formed between the impact part and the side wall of the accommodating cavity, and the air flow recovery part is used for recovering air flow in the discharging pipe and conveying the air flow to the accommodating cavity. Due to the adoption of the structure, when the intelligent flow regulating and drying equipment is used for drying the wet starch, the wet starch can be thoroughly dried.

Inventors

SHI XUEBIAO
LI HUI
LIU YUE

Assignees

江苏天利智能装备制造有限公司

Dates

Publication Date: 20260512
Application Date: 20260121

Claims (8)

1. The intelligent flow regulating and drying equipment comprises a feeding pipe, a drying pipe and a discharging pipe, wherein the feeding pipe is used for feeding wet starch and pushing the wet starch into the drying pipe, the drying pipe is connected with a hot gas device, the hot gas device is communicated with the lower end of the drying pipe, the discharging pipe is communicated with the upper end of the drying pipe, the hot gas device is used for introducing hot gas flow into the drying pipe to dry the wet starch, the dried starch is fed into the discharging pipe to be discharged through the flowing of the hot gas flow through the drying pipe, the intelligent flow regulating and drying equipment is characterized in that the feeding pipe comprises a pipe body, a piston, a pushing part and an impact part, a cylindrical accommodating cavity is formed in the pipe body in a hollow mode along the length direction of the pipe body, the pipe body is connected with the drying pipe and is communicated with the inside of the drying pipe, a feeding port is arranged above the pipe body and is communicated with the outside wall of the communicating pipe and the inside wall of the accommodating cavity, the piston is arranged in the accommodating cavity and can be matched with the accommodating cavity in a sliding mode along the length direction of the pipe, the side wall of the piston is attached to the inner wall of the accommodating cavity, the pushing part is used for pushing the piston to move along the length direction of the pipe, the air flow part is connected with the accommodating cavity, and the air flow recovering part is connected with the air flow part and the air flow recovering part.
2. The intelligent flow regulating and drying device according to claim 1, wherein the air flow recovery part is connected with a first pipeline and a second pipeline, two ends of the first pipeline are respectively connected with the air flow recovery part and communicated with one side of a piston in the accommodating cavity, which is far away from the collision part, the second pipeline is communicated with one side of the piston in the accommodating cavity, which is close to the collision part, the pushing part comprises a spring, the spring is arranged on one side of the accommodating cavity, which is far away from the collision part, of the piston, two ends of the spring are respectively connected with the piston and the inner wall of the accommodating cavity, an exhaust valve is arranged on one side of the accommodating cavity, which is far away from the collision part, of the piston, and the intelligent flow regulating and drying device further comprises a controller, which is electrically connected with the air flow recovery part and is used for controlling the air flow recovery part to convey air to the first pipeline and the second pipeline.
3. The intelligent flow regulating and drying device according to claim 2, wherein the hot gas recovery part further comprises a double-screw compressor, the input end of the double-screw compressor is communicated with the discharging pipe, the output end of the double-screw compressor is connected with the first pipeline, and the exhaust valve is connected with the hot gas device.
4. The intelligent flow regulating and drying device according to claim 3, wherein the hot gas device comprises a heat storage tank, one end of the heat storage tank, facing the drying pipe, is communicated with the exhaust valve and the drying pipe, a sliding plate is slidably connected in the heat storage tank along the length direction, the sliding plate is matched and attached with the inner wall of the heat storage tank, an elastic piece is arranged at one end, facing away from the drying pipe, of the sliding plate, and two ends of the elastic piece are respectively connected with one section, facing away from the drying pipe, of the sliding plate and the bottom wall of the heat storage tank.
5. The intelligent flow-regulating drying apparatus of claim 4, wherein the piston is rotatably connected to the second fan on a side facing the collision part, and further comprises a rotating part for pushing the second fan to rotate.
6. The intelligent flow-rate adjusting and drying device according to claim 5, wherein the rotating portion comprises a screw rod, one end of the screw rod is rotatably connected with the piston, one end of the screw rod penetrates through two end faces of the piston to be connected with the second fan, one end of the accommodating cavity, far away from the collision portion, is inwards recessed to form a first screw hole, and the other end of the screw rod is screwed with the first screw hole.
7. The intelligent flow regulating and drying device according to claim 6, wherein the lower end of the drying pipe is connected with a filter screen in a vertically sliding mode, the edge of the filter screen is matched with the inner side wall of the drying pipe, the filter screen is elastically connected with the bottom wall of the drying pipe, the filter screen is rotatably connected with a first fan, the lower end of the filter screen is connected with a sliding rod, the lower end of the drying pipe is connected with an air outlet cylinder, the air outlet cylinder penetrates through the lower end of the drying pipe to be communicated with the inner side wall and the outer side wall of the drying pipe, the sliding rod is slidably matched with the inner side wall of the air outlet cylinder, a flaring is formed in the lower end of the air outlet cylinder in an expanding mode, the flaring is communicated with the heat storage tank, an adjusting rod is connected with the lower end of the sliding rod, a gap through which air flows is formed between the adjusting rod and the inner peripheral wall of the air outlet cylinder, a plurality of air outlet holes are formed in the position, close to the bottom wall of the drying pipe, the radius of the lower end of the adjusting rod is enlarged, an enlarging head is formed, and the outer peripheral surface of the enlarging head is parallel to the inner peripheral surface of the flaring.
8. The intelligent flow regulating and drying device according to claim 7, wherein an adjusting plate is arranged on one side surface of the piston, which is far away from the drying pipe, and is slidably matched with the inside of the pipe, a second screw hole is formed in the middle of the adjusting plate and is screwed with the screw rod, the exhaust valve is positioned between the adjusting plate and the piston, and the adjusting plate is connected with the sliding plate.

Description

Intelligent flow regulating and drying equipment Technical Field The invention relates to the technical field of drying equipment, in particular to intelligent flow regulating drying equipment. Background In the pharmaceutical field, medicinal starch and pregelatinized starch are the most commonly used filling agents (accounting for 50-90% of the weight of the tablet) in the production of the tablet, and simultaneously have the disintegrating function, and can be used as a 'skeleton' of the tablet, so that the volume of the tablet can be increased, the tablet weight uniformity (such as a tablet with 100mg specification, the starch can account for 60-80 mg), the flowability requirement of a tabletting process is adapted, the dry quality of the tablet directly determines the formability, the dissolution and the stability of the tablet, the moisture is controlled to be 10-14% (according with pharmacopoeia standards), the caking is avoided, the flowability is good (the repose angle is less than or equal to 32 degrees), and the granularity is uniform (100-200 meshes). Air flow drying (also called flash drying) is one of the main flow processes for drying starch, and has the core advantages of high drying speed, high heat efficiency and uniform product quality. The essence of the air flow drying is that the wet starch is dispersed into tiny particles, the tiny particles and the high-temperature air flow form parallel flow/countercurrent movement in a pipeline, the moisture is rapidly evaporated within 0.5-5 seconds through the extremely large air-solid contact area, finally the dry starch is separated through the air-solid separation equipment, and the tail gas is discharged after being purified. However, when the existing starch is subjected to air flow drying, the starch is usually directly contacted with high-temperature hot air, the starch material is directly contacted with the high-temperature hot air, and the temperature difference is too large, so that the moisture on the surface of the starch material is easily evaporated to form a hard shell, the moisture in the starch material cannot be discharged, and the starch material is agglomerated into a block. Disclosure of Invention Therefore, the invention aims to provide intelligent flow regulating and drying equipment so as to solve the problems that when the existing starch is subjected to air flow drying, the starch is usually directly contacted with high-temperature hot air, the starch material is directly contacted with the high-temperature hot air, and the temperature difference is too large, so that moisture on the surface of the starch material is easily evaporated to form a hard shell, the moisture in the starch material cannot be discharged, and the starch material is agglomerated. The invention is realized by the following technical scheme: The utility model provides an intelligent flow regulation drying equipment, includes pan feeding pipe, drying pipe and discharging pipe, the pan feeding pipe is used for wet starch pan feeding and carries its propelling movement to the drying pipe in, the drying pipe is connected with steam device, steam device intercommunication drying pipe's lower extreme, discharging pipe intercommunication drying pipe's upper end, steam device is used for letting in hot air flow dry wet starch to the drying pipe, the starch after drying through the drying pipe is sent into the discharging pipe through the flow of hot air flow and is carried out the ejection of compact, the pan feeding pipe includes body, piston, pushing part and striking portion, the inside cavity of body just is formed with cylindric accommodation chamber along body length direction, the body is connected the drying pipe just accommodation chamber and the inside intercommunication of drying pipe, the body top be equipped with the pan feeding mouth communicating pipe lateral wall with accommodation chamber inside wall, the piston locate in accommodation chamber and can follow body length direction slidingtype cooperate in accommodation chamber, the lateral wall and the inner wall striking of accommodation chamber, the pushing part is used for promoting the piston and carries out the ejection of compact along body length direction, the striking portion is connected accommodation chamber and is continuous with drying pipe length direction has the cylindric accommodation chamber and is formed the air current portion to retrieve the air current portion, and is used for retrieving the air current portion and is held the air current portion and is formed to retrieve the air current portion. Further, the air flow recovery part is connected with a first pipeline and a second pipeline, two ends of the first pipeline are respectively connected with the air flow recovery part and communicated with one side of the piston in the accommodating cavity, which is far away from the collision part, the second pipeline is communicated with one side of the piston in the accommo