CN-116892814-B - Feed cooling equipment and cooling method thereof

CN116892814BCN 116892814 BCN116892814 BCN 116892814BCN-116892814-B

Abstract

The invention provides a feed cooling device and a cooling method thereof, wherein the feed cooling device comprises a plurality of feed cooling tanks, a filtering device, a humidifying module and a cooling module, and the cooling module is used for conveying cooling air to the feed cooling tanks; each feed cooling tank comprises a tank body, wherein a stirring device is arranged on the tank body, a cooling pipe is fixedly arranged on the inner wall of the tank body, filtering equipment is used for filtering impurities and smell in air, a humidifying module humidifies the cooling air, so that the air with a certain temperature and humidity is obtained to cool and humidify feed in the tank body, the condition that the feed is mildewed due to overhigh temperature inside the feed is avoided, the shelf life of the feed is prolonged, meanwhile, the moisture of the feed is improved to 10-11% from 8-9%, and the input-output ratio of production is improved.

Inventors

WANG WUGANG
MI HAIFENG
YIN HENG
ZHANG LU
Teng tao
WANG DAI

Assignees

通威农业发展有限公司

Dates

Publication Date: 20260512
Application Date: 20230601

Claims (5)

1. A feed cooling device comprising a plurality of feed cooling tanks and a cooling module for delivering cooling air to a plurality of said feed cooling tanks; Each feed cooling tank comprises a tank body, wherein a stirring device is arranged on the tank body and comprises a stirring motor arranged at the bottom of the tank body, a stirring shaft arranged inside the tank body is connected to an output shaft of the stirring motor, the stirring shaft is vertically arranged along the central line direction of the tank body, and a plurality of stirring blades are arranged on the stirring shaft at intervals; The inner wall of the tank body is fixedly provided with a cooling pipe, the cooling pipe is spirally climbed along the height direction of the tank body, the top end of the cooling pipe is of a closed structure, and the bottom end of the cooling pipe penetrates through the tank wall of the tank body and is communicated with the cooling module through a pipeline; the cooling pipe is provided with a plurality of gas spray heads at intervals, the gas spray directions of the plurality of gas spray heads face the central line direction of the tank body, and the included angle between the gas spray direction of each gas spray head and the vertical direction is 30-45 degrees; an air outlet channel is arranged at the top of the tank body, and a feed filter screen is arranged in the air outlet channel; the cooling module comprises a blower assembly and a cooling assembly which are communicated with each other; the blower assembly includes a blower in communication with the cooling assembly through a conduit; The cooling component is used for cooling air sent by the air blower and conveying the cooled air into the tank body; The cooling assembly comprises a cooling cavity, and two ends of the cooling cavity are respectively communicated with the air blower and the cooling pipe through pipelines; the cooling cavity is provided with a vortex tube, the tube wall of the vortex tube is provided with a tangential inlet, and the tangential inlet is communicated with high-pressure gas; The two ends of the vortex tube are respectively provided with a hot air pipe and a cold air pipe, the hot air pipes discharge hot air in the vortex tube to the outside, the cold air pipes are of a curved spiral structure, and the cold air pipes are arranged on the outer wall of the cooling cavity; a humidifying module is arranged between the cooling cavity and the tank body, the humidifying module comprises a humidifying cavity, a sealing partition plate is arranged in the humidifying cavity, and the sealing partition plate is used for dividing the humidifying cavity into an upper cavity and a lower cavity; Two sides of the upper cavity are respectively communicated with the cooling cavity and the cooling pipe through pipelines; The lower cavity is filled with water, and an ultrasonic oscillation piece is arranged in the water and is used for oscillating the water into water mist; the sealing partition plate is provided with a mist outlet pipe which is used for conveying water mist in the lower cavity into the upper cavity; the system also comprises a control module, wherein the control module comprises a controller; a temperature sensor is arranged in the cooling cavity, and a humidity sensor is arranged in the humidifying cavity; and the stirring motor, the blower, the ultrasonic oscillation piece, the temperature sensor and the humidity sensor are electrically connected with the controller.
2. The feed cooling apparatus of claim 1, wherein a top of each of the tanks is provided with a feed inlet through which feed enters the tank; The inner bottom surface of the tank body is of an inclined structure, the bottom of the tank body is provided with a discharge hole, and the discharge hole is positioned at the low side of the inner bottom surface of the tank body.
3. The feed cooling device of claim 1, wherein a filter device is arranged between the blower assembly and the cooling assembly, the filter device comprises a filter box, a filter layer is arranged in the filter box, and the filter layer comprises a quartz sand layer, an activated carbon layer and a filter element layer; The filter comprises a filter box, a filter layer, a fixing buckle and a fixing buckle, wherein the outer wall of the filter box is provided with a mounting notch, the fixing buckle is arranged at a corresponding position of front projection of the mounting notch, the filter layer passes through the mounting notch and is arranged in the filter box, and the bottom of the filter layer is connected with the fixing buckle.
4. Feed cooling apparatus according to claim 1 wherein the temperature of the air in the cooling chamber is 8-10 ℃ and the humidity of the air in the humidification chamber is 40-60%.
5. A method of cooling a feed cooling apparatus according to claim 4, comprising: Step one, ground preparation, namely preparing the ground of a feed workshop before mounting feed cooling equipment, and ensuring the ground level; Installing feed cooling equipment on the horizontal ground, installing a plurality of feed cooling tanks indoors, installing an air blower and a hot air pipe in a cooling module outside a feed processing workshop, and setting cooling equipment parameters after the installation, wherein the cooling treatment time of the feed cooling tanks is 3-5h, the air quantity of the air blower is 20000m 3 /h, the refrigerating temperature of the cooling module is 8-10 ℃, and the air humidity of the humidifying module is 40-60%; Step three, fresh air filtration, namely filtering air sent by a blower by using filtering equipment; Cooling and humidifying, namely cooling the filtered air by a cooling module, and conveying the air in the cooling module to a humidifying module to humidify the cooled air after the air in the cooling module reaches a specified temperature; step five, centrifugal air supply, namely after cooling and humidifying treatment of the air is finished, carrying out pressurized conveying through an air blower to send the treated air into a cooling pipe; step six, cooling, namely starting a stirring motor, stirring the feed in the tank body by the stirring motor through a stirring shaft and stirring blades, spraying out the treated air through a plurality of gas spray heads, cooling and humidifying the feed in the tank body, and completing cooling and humidifying treatment of the feed after the cooling treatment time of the feed cooling tank is reached.

Description

Feed cooling equipment and cooling method thereof Technical Field The invention relates to the technical field of feed cooling, in particular to feed cooling equipment and a cooling method thereof. Background The feed is a general term of foods of animals raised by all people, is mainly food of animals raised by agriculture or animal husbandry in a narrower sense, comprises more than ten varieties of feed raw materials such as soybean, soybean meal, corn, fish meal, amino acid, miscellaneous meal, whey powder, grease, meat and bone meal, grains, feed additives and the like, is automatically produced in a processing workshop according to different requirements of yield in the production process of the feed on the market at present, and particularly in the high temperature of 7-9 months in summer, the temperature of the feed processing workshop is high, so that the problem of moldy feed and low feed moisture can be caused after the feed is produced, the quality guarantee period of the feed is greatly shortened, and the input-output ratio of the production is reduced. Disclosure of Invention Aiming at the problems in the prior art, the invention aims to provide a feed cooling device and a cooling method thereof, which solve the problems that the temperature of feed is high, the cooling is slow, the feed is moldy and the quality guarantee period of the feed is shortened due to no cooling device in the feed produced in the existing feed processing workshop. In order to achieve the above purpose, the invention adopts the following technical scheme: there is provided a feed cooling apparatus comprising a plurality of feed cooling tanks and a cooling module for delivering cooling air to the plurality of feed cooling tanks; Each feed cooling tank comprises a tank body, wherein a stirring device is arranged on the tank body and comprises a stirring motor arranged at the bottom of the tank body, an output shaft of the stirring motor is connected with a stirring shaft arranged inside the tank body, the stirring shaft is vertically arranged along the central line direction of the tank body, and a plurality of stirring blades are arranged on the stirring shaft at intervals; the cooling pipe is spirally climbed along the height direction of the tank body, the top end of the cooling pipe is of a closed structure, and the bottom end of the cooling pipe penetrates through the tank wall of the tank body and is communicated with the cooling module through a pipeline; the top of the tank body is provided with an air outlet channel, and a feed filter screen is arranged in the air outlet channel. Further, a feed inlet is formed in the top of each tank body, and feed enters the tank body through the feed inlet; the inner bottom surface of the tank body is of an inclined structure, the bottom of the tank body is provided with a discharge hole, and the discharge hole is positioned at the low side of the inner bottom surface of the tank body. Further, the gas injection directions of the plurality of gas injection nozzles face the central line direction of the tank body, and an included angle between the gas injection direction of each gas injection nozzle and the vertical direction is 30-45 degrees. Further, the cooling module comprises a blower assembly and a cooling assembly which are communicated with each other; The blower assembly comprises a blower which is communicated with the cooling assembly through a pipeline; the cooling assembly is used for cooling air sent by the air blower and conveying the cooled air into the tank body. Further, a filter device is arranged between the blower assembly and the cooling assembly, the filter device comprises a filter box, a filter layer is arranged in the filter box, and the filter layer comprises a quartz sand layer, an activated carbon layer and a filter element layer; the filter is characterized in that a mounting notch is formed in the outer wall of the filter box, a fixing buckle is arranged at a position corresponding to the front projection of the mounting notch, the filter layer penetrates through the mounting notch and is arranged in the filter box, and the bottom of the filter layer is connected with the fixing buckle. Further, the cooling assembly comprises a cooling cavity, and two ends of the cooling cavity are respectively communicated with the air blower and the cooling pipe through pipelines; The cooling cavity is provided with a vortex tube, the tube wall of the vortex tube is provided with a tangential inlet, and the tangential inlet is communicated with high-pressure gas; The two ends of the vortex tube are respectively provided with a hot air pipe and a cold air pipe, the hot air pipe discharges hot air in the vortex tube to the outside, the cold air pipe is of a bent spiral structure, and the cold air pipe is arranged on the outer wall of the cooling cavity. Further, a humidifying module is arranged between the cooling cavity and the tank body, the humidifying module c