CN-122015463-A - Sectional type variable temperature and variable air volume circulation grain drying tower

CN122015463ACN 122015463 ACN122015463 ACN 122015463ACN-122015463-A

Abstract

The invention discloses a sectional variable-temperature variable-air-volume circulating grain drying tower which comprises a drying tower body, wherein two separating funnels are fixed in the drying tower body, the two separating funnels divide the drying tower body into a primary drying chamber, a secondary drying chamber and a tertiary drying chamber, heating wires are respectively arranged in the primary drying chamber, the secondary drying chamber and the tertiary drying chamber, a circulating discharging pipe and a discharging pipe which are communicated with the primary drying chamber, the secondary drying chamber and the tertiary drying chamber are fixed at the bottom of the drying tower body, the circulating discharging pipe is connected with a circulating feeding mechanism, the upper end of the circulating feeding mechanism is connected with the drying tower body, a differential air supply mechanism is connected with the primary drying chamber, the secondary drying chamber and the tertiary drying chamber, and a dust removing mechanism is connected with the primary drying chamber, the secondary drying chamber and the tertiary drying chamber. According to the invention, the tower body is divided into three-stage drying chambers through the separating funnel, and the sectional differentiation Wen Fengliang drying is realized by matching the heating wires with gradually increased power and the differential air supply mechanism with gradually increased flow, so that the drying efficiency is improved.

Inventors

ZHANG JIAGENG
SUN YIDONG
GUO JUNHONG
SUN MIAO
WANG GUIWEI
QIAO FENG
WANG MIAN
LI LIN
LV HAIXIA
XIE ZHENGYANG
LUO HUALING
WANG DAN
ZHOU CHENGJIE

Assignees

南阳助福农业科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260302

Claims (10)

1. The utility model provides a sectional type alternating temperature becomes circulation grain drying tower, its characterized in that, including drying tower body (1), circulation feeding mechanism (2), circulation row material pipe (3), discharging pipe (4), difference air supply mechanism (5), shake mechanism (6), dust removal mechanism (7), separation funnel (8), separation net (9), heater strip (10) and temperature sensor (11), drying tower body (1) internal fixation has two separation funnel (8), two separation funnel (8) divide into drying tower body (1) one-level drying chamber (101), second grade drying chamber (102) and tertiary drying chamber (103) triplex, one-level drying chamber (101), second grade drying chamber (102) and tertiary drying chamber (103) are arranged from the top down in proper order, three heater strip (10) heating power that are arranged down are installed in one-level drying chamber (101), second grade drying chamber (102) and tertiary drying chamber (103) are installed in the interior heat power step-by-step increase, one-level drying chamber (101), second grade drying chamber (103) and tertiary drying chamber (103) are installed in the bottom of top down, respectively, drying chamber (4) are installed with three-level drying chamber (103) and are connected with the circulating pipe (4) from the top down in turn, drying chamber (3), the circulating discharging pipe (3) is connected with the circulating feeding mechanism (2), the upper end of the circulating feeding mechanism (2) is connected with the drying tower body (1), the differential air supply mechanism (5) is connected with the primary drying chamber (101), the secondary drying chamber (102) and the tertiary drying chamber (103), the differential air supply mechanism (5) comprises an air heater (501), a main pipe (502), an air supply nozzle (503) and a flow valve (504), the air heater (501) is arranged on the ground, the air heater (501) is connected with the main pipe (502), three air supply nozzles (503) are connected to the main pipe (502), the three air supply nozzles (503) are respectively inserted into the primary drying chamber (101), the secondary drying chamber (102) and the tertiary drying chamber (103), the flow valves (504) are respectively arranged on each air supply nozzle (503), the flow rate of the three flow valves (504) arranged from top to bottom is gradually increased, and the dust removing mechanism (7) is connected with the primary drying chamber (101), the secondary drying chamber (102) and the tertiary drying chamber (103).
2. The sectional type variable temperature and variable air volume circulating grain drying tower according to claim 1, wherein a one-way valve (801) is installed at the bottom of the separation funnel (8).
3. The sectional variable-temperature variable-air-volume circulating grain drying tower according to claim 1, wherein the circulating feeding mechanism (2) comprises a barrel (201), a first feeding port (202), a second feeding port (203), an end cover (204), a first motor (205), a spiral auger (206) and a feeding pipe (207), the right side of the barrel (201) is provided with the first feeding port (202), the first feeding port (202) is connected with a circulating discharging pipe (3), the left side of the barrel (201) is provided with a second feeding port (203), the end cover (204) is detachably arranged on the second feeding port (203), the first motor (205) is fixed at the bottom of the barrel (201), the spiral auger (206) is rotatably connected in the barrel (201), an output shaft of the first motor (205) is connected with the spiral auger (206) through a coupler, and the feeding pipe (207) is arranged at the upper end of the barrel (201) and is communicated with the top end of the drying tower (1).
4. A segmented variable temperature and variable air volume circulating grain drying tower according to claim 3, wherein the circulating discharge pipe (3) is provided with a first electromagnetic valve (301), and the discharge pipe (4) is provided with a second electromagnetic valve (401).
5. The sectional type variable temperature and variable air volume circulating grain drying tower according to claim 4, wherein a separation net (9) is respectively arranged in the primary drying chamber (101) and the secondary drying chamber (102), and the shaking mechanism (6) is arranged at the top of the drying tower body (1) and is connected with the two separation nets (9).
6. The sectional variable-temperature variable-air-volume circulating grain drying tower according to claim 5, wherein the shaking mechanism (6) comprises a circular ring (601), a connecting rod (602), a spring (603), a second motor (604), a driving shaft (605) and an eccentric cam (606), the circular ring (601) is located at the upper side of the drying tower body (1), two connecting rods (602) are fixed at the lower side of the circular ring (601), the connecting rods (602) slide through the drying tower body (1) and a separating funnel (8) to be fixed with two separating nets (9), the spring (603) is installed at the outer side of the connecting rods (602), the lower end of the spring (603) is fixed with the drying tower body (1) at the upper end of the circular ring (601), the second motor (604) is fixed at the upper side of the drying tower body (1), the driving shaft (605) is rotationally connected to the upper side of the drying tower body (1), the output shaft of the second motor (604) is connected with the driving shaft (605) through a coupler, and the eccentric cams (605) are fixed at the lower ends of the driving shaft (605) to be connected with the eccentric cam (606).
7. The sectional type variable temperature and variable air volume circulating grain drying tower according to claim 5, wherein the separation net (9) is in sliding contact with the drying tower body (1), and a sealing ring (901) is fixed on the outer ring of the separation net (9).
8. The sectional variable-temperature variable-air-volume circulating grain drying tower according to claim 6, wherein the dust removing mechanism (7) comprises an air outlet pipe (701), a flow guide pipe (702), a dust removing box (703), an air outlet (704), a top cover (705) and a dust removing net (706), the number of the air outlet pipes (701) is three and is respectively inserted into the primary drying chamber (101), the secondary drying chamber (102) and the tertiary drying chamber (103), the three air outlet pipes (701) are respectively connected with the flow guide pipe (702), the lower end of the flow guide pipe (702) is connected with the dust removing box (703), the air outlet (704) is arranged on one side of the dust removing box (703), the top of the dust removing box (703) is detachably connected with the top cover (705) through screws, and a plurality of dust removing nets (706) inserted into the dust removing box (703) are fixed on the lower side of the top cover (705).
9. The segmented variable temperature and variable air volume circulating grain drying tower of claim 8, wherein the draft tube (702) is provided with a humidity sensor (7021).
10. The sectional variable-temperature variable-air-volume circulating grain drying tower according to claim 9, wherein a PLC (programmable logic controller) 12 is arranged on one side of the drying tower body (1) on the ground, a display screen and an operation button are arranged on the PLC 12, and the first electromagnetic valve (301), the second electromagnetic valve (401), the air heater (501), the second motor (604), the humidity sensor (7021), the heating wire (10) and the temperature sensor (11) are respectively electrically connected with the PLC 12.

Description

Sectional type variable temperature and variable air volume circulation grain drying tower Technical Field The invention relates to the technical field of grain drying, in particular to a sectional type variable temperature and variable air volume circulating grain drying tower. Background The grain drying is a key procedure in the links of agricultural production and grain storage, and has the core purposes of removing redundant moisture in grains through controllable temperature and airflow environment, reducing mildew and moth risk, guaranteeing grain quality and storage stability, providing proper conditions for subsequent processing and transportation, and being widely applied to post-production treatment of various grains such as rice, wheat, corn and the like. Grain drying equipment in the current market mostly adopts single warm air quantity design, does not have clear segmentation isolation structure in the drying tower, and hot air temperature and the whole journey of amount of wind remain fixed, are difficult to adapt to the moisture evaporation rule of "surface moisture separates out fast-inside moisture slowly migrates" in the grain drying process. On one hand, the single high-temperature large air volume is easy to cause the water on the surface of the grains to be suddenly lost and the water in the grains to be retained, so that the grain quality is seriously affected, on the other hand, the precise sectional regulation and control and circulating drying mechanism is lacked, so that the drying uniformity is poor, part of grains are over-dried and deteriorated, part of grains still do not reach the safe moisture content, the drying efficiency is low, and the large-scale and high-quality grain drying requirements are difficult to meet, therefore, aiming at the current situation, the development of a sectional variable-temperature variable-air volume circulating grain drying tower which divides a tower body into three-stage drying chambers through a separating funnel and is matched with a heating wire with gradually increased power and a differential air supply mechanism with gradually increased flow is urgently needed to realize sectional differentiation Wen Fengliang drying and improve the drying efficiency, and the sectional variable-temperature variable-air volume circulating grain drying tower which has reasonable overall structure and convenient operation and has drying effect and practicability is compatible with the circulating feeding mechanism to realize the current practical application. Disclosure of Invention The invention aims to provide a sectional variable-temperature variable-air-volume circulating grain drying tower so as to solve the problems in the background technology. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides a circulation grain drying tower of variable temperature and variable air volume, includes drying tower body, circulation feeding mechanism, circulation row material pipe, discharging pipe, differential air supply mechanism, shake mechanism, dust removal mechanism, separation funnel, separation net, heater strip and temperature sensor, the drying tower body internal fixation has two separation funnels, two separate the hopper and divide into the drying tower body one-level drying chamber, second grade drying chamber and tertiary drying chamber triplex, one-level drying chamber, second grade drying chamber and tertiary drying chamber arrange from the top down in proper order, install the heater strip in one-level drying chamber, second grade drying chamber and the tertiary drying chamber respectively, three heater strip heating power that from the top down arranged increases step by step, install temperature sensor in one-level drying chamber, second grade drying chamber and the tertiary drying chamber respectively, the bottom of drying tower body is fixed with circulation row material pipe and the discharging pipe that is linked together with it, the circulation row material pipe links to each other with circulation feeding mechanism, the upper end and the drying tower body of circulation feeding mechanism link to each other, differential air supply mechanism links to each other with one-level drying chamber, second grade drying chamber and tertiary drying chamber, the air supply mechanism includes: the air heater is arranged on the ground, the air heater is connected with the main pipeline, three air supply nozzles are connected to the main pipeline and are respectively inserted into the primary drying chamber, the secondary drying chamber and the tertiary drying chamber, the air supply nozzles are respectively provided with the flow valves, the flow of the three flow valves arranged from top to bottom is gradually increased, and the dust removing mechanism is connected with the primary drying chamber, the secondary drying chamber and the tertiary drying chamber. Preferably, a one-wa