Pipeline type litchi circulation cooling equipment

By introducing a filtration mechanism, a drying mechanism, a spraying component, a transmission mechanism, and an opening and closing mechanism into the pipeline-type litchi cooling system, the problem of scale blockage in the water tank is solved, achieving effective filtration of cooling water and efficient removal of moisture from the surface of litchis, thus improving the operating efficiency and ease of use of the equipment.

CN224415515UActive Publication Date: 2026-06-26HAINAN JINGQIAN FRUIT IND CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HAINAN JINGQIAN FRUIT IND CO LTD
Filing Date
2025-07-20
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In existing pipeline-type lychee cooling equipment, prolonged use of the water tank leads to scale formation, nozzle blockage, and reduced cooling efficiency.

Method used

A pipeline-type lychee circulation cooling device was designed, which includes a filtration mechanism, a drying mechanism, a spraying component, a transmission mechanism, an installation mechanism, and an opening and closing mechanism. The filtration mechanism filters the cooling water in the water tank, the drying mechanism removes moisture from the surface of the lychees, the spraying component provides uniform cooling, the transmission mechanism transports the lychees, and the opening and closing mechanism facilitates maintenance.

Benefits of technology

It achieves effective filtration of cooling water, ensuring the cleanliness of the cooling water, efficiently removing moisture from the surface of lychees, guaranteeing the quality of lychees, and improving the operating efficiency and ease of use of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to lychee cooling technical field discloses pipeline formula lychee circulation cooling equipment, including cooling box, the rear side fixed connection of cooling box has two water tanks, the inside of two water tanks all is provided with filter mechanism, filter mechanism is used for filtering the cooling water of water tank inside, the inside of cooling box is provided with transmission mechanism, the top of transmission mechanism is provided with blow dry mechanism, blow dry mechanism is used for blowing dry lychee on the moisture, the front and back of cooling box all is provided with mounting mechanism, the rear side top of two water tanks all is provided with open and close mechanism. In the utility model, the mounting plate is fixed to the inside bottom of water tank, and the stable foundation is formed by screwing and water tank thread connection, the triangular clamping strip between adjacent mounting plates supports the filter screen, the filter screen intercepts impurities, and when plugging, the fixed rod can be pulled out to disassemble and clean, ensure that the cooling water clean that transports to the cooling box, improve work efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of lychee cooling technology, and in particular to a pipeline-type lychee circulation cooling device. Background Technology

[0002] Pipeline-type lychee circulation cooling equipment is a device used to rapidly cool and preserve lychees during circulation. It utilizes a refrigeration unit to generate low-temperature cold air and cold water, which are then transported through pipelines to the area where the lychees are placed. This rapidly lowers the temperature around the lychees, inhibiting their respiration and microbial growth, slowing down their spoilage, and thus maintaining the freshness and quality of the lychees. The equipment uses an air-cooling method, blowing cold air onto the lychees through pipelines to remove heat.

[0003] If the pipeline layout is unreasonable or the airflow and water flow speed is not properly controlled, uneven cooling will occur inside or at the edge of the lychee stack. Some fruits will spoil prematurely due to excessively high temperatures or suffer frost damage due to contact with low-temperature media. Existing technology adopts a more scientific pipeline layout scheme, designing a ring or staggered pipeline distribution according to the shape and size of the lychee stack, so that cold air or cold water can flow evenly through all parts of the lychee. The air outlets or water outlets of the pipelines are reasonably set, and the flow rate and flow of the medium are controlled to avoid local overcooling or overheating. However, in actual use, scale will form inside the water tank after long-term use, which will cause the nozzles to become clogged and reduce cooling efficiency. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a pipeline-type lychee circulation cooling device, which aims to improve the problem in the prior art where scale builds up inside the water tank after long-term use, causing nozzle blockage and reducing cooling efficiency.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a pipeline-type lychee circulation cooling device, including a cooling box, two water tanks fixedly connected to the rear side of the cooling box, a filtration mechanism inside each of the two water tanks for filtering the cooling water inside the water tanks, a transmission mechanism inside the cooling box, a drying mechanism at the top of the transmission mechanism for drying the moisture on the lychees, an installation mechanism on both the front and rear sides of the cooling box, and an opening and closing mechanism at the top of the rear side of each of the two water tanks;

[0006] The filtration mechanism includes multiple mounting plates. The right sides of the mounting plates are fixedly connected to the bottom right end of the inner side of the water tank. Two screws pass through the left side of each mounting plate. The right sides of the screws are threaded into the right side of the inside of the water tank. Triangular retaining strips are fixedly connected between adjacent mounting plates. Filter screens are fixedly connected between adjacent triangular retaining strips. Circular holes are opened on the front side of each triangular retaining strip. Fixing rods are slidably connected inside the two circular holes on the left and the circular hole on the right. A spraying assembly is provided on the left side of the water tank.

[0007] As a further description of the above technical solution:

[0008] The drying mechanism includes a fixed plate, the bottom of which is fixedly connected to the top of the transmission mechanism. The bottom of the fixed plate has multiple mounting slots, the top of the inner side of each mounting slot is fixedly connected to a slide rail, the front of the inner side of each mounting slot is fixedly connected to a telescopic rod, the bottom of each slide rail is slidably connected to a slider, and the bottom of each slider is fixedly connected to a fan.

[0009] As a further description of the above technical solution:

[0010] The spraying assembly includes two water pumps. The bottom of each water pump is fixedly connected to the bottom right end of the inner side of the water tank. The left end of each water pump is connected to a delivery pipe, and the top of each water pump is connected to a spray pipe.

[0011] As a further description of the above technical solution:

[0012] The transmission mechanism includes a conveyor belt, the front and rear sides of which are fixedly connected to the front and rear sides of the cooling box. A fixing block is fixedly connected to the right end of the front side of the conveyor belt, and a motor is fixedly connected to the top of the fixing block. Multiple inclined plates are fixedly connected inside the conveyor belt.

[0013] As a further description of the above technical solution:

[0014] The installation mechanism includes multiple fixing frames, which are fixedly connected to each other on the front and rear sides of the cooling box. Two bolts are threaded to the left and right sides of each fixing frame. A mounting bracket is fixedly connected to the top of each fixing frame. Bolts are threaded through the opposite sides of each mounting frame. The same protective cover is threaded between adjacent bolts.

[0015] As a further description of the above technical solution:

[0016] The bottom of the cooling tank is connected to a water outlet pipe, and a valve is fixedly connected to the outer wall of the water outlet pipe.

[0017] As a further description of the above technical solution:

[0018] The rear side of the cooling box is fixedly connected with multiple fixing rings, and the inner diameter of two of the fixing rings is larger than the outer diameter of the water spray pipe.

[0019] As a further description of the above technical solution:

[0020] The opening and closing mechanism includes two hinges. The bottom front side of each hinge is fixedly connected to the top rear side of the water tank. The front side of each hinge is fixedly connected to the same cover plate. The front side of the cover plate is fixedly connected to two pipe clamps. The top front side of the water tank is fixedly connected to two snap fasteners.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the mounting plate is fixed to the bottom of the inner side of the water tank, and a stable foundation is formed by screws and threaded connection with the water tank. The triangular clips between adjacent mounting plates support the filter screen. The filter screen can be installed and removed by the cooperation of the fixing rod and the round hole. The filter screen intercepts impurities. When it is blocked, the fixing rod can be pulled out to disassemble and clean it, and then reinserted and fixed. This realizes the effective filtration function of cooling water in the water tank, ensures that the cooling water delivered to the cooling tank is clean, and improves work efficiency.

[0023] 2. In this utility model, the fixed plate is fixed to the top of the transmission mechanism and moves synchronously. The sliding cooperation between the slide rail and the slider, and the extension and retraction drive of the telescopic rod drive the bottom fan to adjust its position. After the lychees are cooled by water, they enter the drying area. The telescopic rod pushes the fan close to the lychees to blow air. The distance angle can also be adjusted by shortening it in the opposite direction as needed. Multiple sets of fans work together to cover the entire path, achieving the effect of efficiently removing moisture from the surface of the lychees, avoiding moisture residue that may cause mold, and ensuring the quality of the lychees. Attached Figure Description

[0024] Figure 1 This is a perspective view of the pipeline-type litchi circulation cooling device proposed in this utility model.

[0025] Figure 2 This is a front view of the pipeline-type litchi circulation cooling device proposed in this utility model;

[0026] Figure 3 This is a split view of the fixing rod in the pipeline-type litchi circulation cooling device proposed in this utility model;

[0027] Figure 4 This is a split view of the slide rail in the pipeline-type litchi circulation cooling device proposed in this utility model;

[0028] Figure 5 This is a schematic diagram of the inclined plate in the pipeline-type litchi circulation cooling device proposed in this utility model.

[0029] Legend:

[0030] 1. Cooling box; 2. Water tank; 3. Filtration mechanism; 301. Mounting plate; 302. Screw; 303. Triangular retaining strip; 304. Filter screen; 305. Round hole; 306. Fixing rod; 307. Spraying assembly; 3071. Water pump; 3072. Delivery pipe; 3073. Spray pipe; 4. Transmission mechanism; 401. Conveyor belt; 402. Fixing block; 403. Motor; 404. Inclined plate; 5. Drying mechanism; 501 502. Fixing plate; 503. Mounting groove; 504. Slide rail; 505. Telescopic rod; 506. Slider; 507. Fan; 608. Mounting mechanism; 609. Fixing bracket; 6000. Bolt 1; 6000. Mounting bracket; 601. Bolt 2; 602. Protective cover; 603. Water outlet pipe; 604. Valve; 605. Fixing ring; 606. Opening and closing mechanism; 1001. Hinge; 1002. Cover plate; 1003. Pipe clamp; 1004. Clip fastener. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 and Figure 3 An embodiment of this utility model provides a pipeline-type lychee circulation cooling device, including a cooling box 1, two water tanks 2 fixedly connected to the rear side of the cooling box 1, a filter mechanism 3 is provided inside the two water tanks 2, the filter mechanism 3 is used to filter the cooling water inside the water tanks 2, a transmission mechanism 4 is provided inside the cooling box 1, a drying mechanism 5 is provided on the top of the transmission mechanism 4, the drying mechanism 5 is used to dry the moisture on the lychees, an installation mechanism 6 is provided on the front and rear sides of the cooling box 1, and an opening and closing mechanism 10 is provided on the top of the rear side of the two water tanks 2.

[0033] The filtration mechanism 3 includes multiple mounting plates 301. The right sides of the multiple mounting plates 301 are fixedly connected to the bottom right side of the inner side of the water tank 2. Two screws 302 pass through the left side of each of the multiple mounting plates 301. The right sides of the multiple screws 302 are threadedly connected to the inner right side of the water tank 2. Triangular retaining strips 303 are fixedly connected between adjacent mounting plates 301. Filter screens 304 are fixedly connected between adjacent triangular retaining strips 303. Circular holes 305 are opened on the front side of each of the multiple triangular retaining strips 303. Fixing rods 306 are slidably connected inside the two circular holes 305 on the left and the circular hole 305 on the right. The fixing rods 306 are inserted into the circular holes 305 to limit the filter screens 304. A spraying component 307 is provided on the left side of the water tank 2.

[0034] Specifically, multiple mounting plates 301 are fixed to the bottom right side of the inner side of the water tank 2, and are connected to the right side of the water tank 2 by screws 302, forming a stable mounting base. Triangular retaining strips 303 fixed between adjacent mounting plates 301 provide a support frame for the filter screen 304. The filter screen 304 is fixed between the triangular retaining strips 303 to intercept impurities in the cooling water. The round holes 305 on the front side of the triangular retaining strips 303 cooperate with the fixing rods 306. When it is necessary to install or remove the filter screen 304, the fixing rods 306 are inserted. When the fixing rod 306 is inserted or removed from the round hole 305, it passes through the round hole 305 of the adjacent triangular retaining strip 303, thus limiting the filter screen 304 and preventing it from shifting under the impact of water flow. Removing the fixing rod 306 allows for quick disassembly of the filter screen 304 for easy cleaning or replacement. The spray assembly 307 on the left side of the water tank 2 delivers the filtered cooling water from the water tank 2 to the cooling tank 1. As the cooling water flows through the filter screen 304, impurities in the water are intercepted, and the clean cooling water continues to flow towards the spray assembly. As the usage time increases, impurities gradually accumulate on the filter screen 304, affecting the filtration effect. At this time, the operator pulls out the fixing rod 306 to release the restriction on the filter screen 304, allowing the filter screen 304 to be removed from between the triangular retaining bars 303 for cleaning. After cleaning, the filter screen 304 is reinstalled between the triangular retaining bars 303, and the fixing rod 306 is inserted to limit the movement, ensuring that the filter screen 304 restores its normal filtration function. The fixing connection between the mounting plate 301 and the screw 302 ensures the filtration mechanism is secure. The filter mechanism 3 securely installs the filter; the combination of the triangular clip 303 and the filter screen 304 intercepts impurities in the cooling water; the cooperation of the fixing rod 306 and the round hole 305 enables the filter screen 304 to be easily disassembled and fixed. The three work together to achieve the function of effectively filtering the cooling water in the water tank 2 through the filter mechanism 3, ensuring that the cooling water delivered to the cooling box 1 by the spray component 307 is clean, avoiding impurities from adhering to the surface of the lychee and affecting its quality, while also facilitating the maintenance of the filter screen 304 and ensuring the continuous and stable operation of the equipment.

[0035] Reference Figure 2 and Figure 4 The drying mechanism 5 includes a fixed plate 501. The bottom of the fixed plate 501 is fixedly connected to the top of the transmission mechanism 4. The bottom of the fixed plate 501 is provided with multiple mounting slots 502. The top of the inner side of each mounting slot 502 is fixedly connected to a slide rail 503. The front side of the inner side of each mounting slot 502 is fixedly connected to a telescopic rod 504. The bottom of each slide rail 503 is slidably connected to a slider 505. The bottom of each slider 505 is fixedly connected to a fan 506.

[0036] Specifically, the bottom of the fixed plate 501 is fixed to the top of the transmission mechanism 4 and moves synchronously with the transmission mechanism 4. Multiple mounting slots 502 are located at the bottom of the fixed plate 501. A slide rail 503 is fixed to the top of the inner side of each mounting slot 502. The slider 505 slides along the slide rail 503, forming a horizontally movable base structure. A telescopic rod 504 is fixed to the front side inside the mounting slot 502, and its telescopic end is connected to the front side of the slider 505. The extension or retraction of the telescopic rod 504 drives the slider 505 to move back and forth along the slide rail 503. A fan 506 is fixed to the bottom of the slider 505. As the slider 505 moves to adjust the airflow position, after the lychee enters the cooling box 1 through the transmission mechanism 4 and completes water cooling, the transmission mechanism 4 moves the lychee to the bottom of the fixed plate 501 and the fan 506. The telescopic rod 504 is activated, pushing the slider 505 along the slide rail 503 towards the lychee, bringing the fan 506 closer to the lychee surface. After the fan 506 is turned on, the generated airflow blows directly onto the lychee, accelerating the evaporation of surface moisture. When it is necessary to adjust the airflow range or avoid a specific area, the telescopic rod 504 retracts in the opposite direction, driving the slider 505 and the fan 506 backward. The movement of the fan 506 changes the distance and angle between it and the lychee. As the transmission mechanism 4 continuously moves the lychee, the fan 506 dynamically tracks and dries the lychee at different positions by sliding the slider 505 back and forth. The guide rail 503 limits the slider 505, ensuring the straightness of the fan 506's trajectory and preventing deviation. The precise extension and retraction of the telescopic rod 504 controls the movement distance of the fan 506, allowing for adjustment of the blowing force and range. Through the coordinated action of multiple fans 506 within the mounting slot 502, the entire width of the lychee's flow path can be covered. To ensure that the surface moisture of each lychee is effectively dried, the lateral movement of the fan 506 is adjusted through the sliding cooperation of the slide rail 503 and the slider 505; the distance between the fan 506 and the lychee is precisely controlled by the extension and retraction drive of the telescopic rod 504; the blowing action of the fan 506 accelerates the evaporation of moisture from the surface of the lychee, achieving the function of efficiently removing moisture from the surface of the lychee through the drying mechanism 5, avoiding moisture residue that may cause lychee mold or quality decline, while adapting to the circulation drying needs of lychees of different sizes, improving the versatility of the equipment and the lychee preservation effect.

[0037] Reference Figure 2 and Figure 5The spraying assembly 307 includes two water pumps 3071. The bottom of each water pump 3071 is fixedly connected to the bottom right end of the inner side of the water tank 2. The left end of each water pump 3071 is connected to a delivery pipe 3072, and the top of each water pump 3071 is connected to a spray pipe 3073. The transmission mechanism 4 includes a conveyor belt 401. The front and rear sides of the conveyor belt 401 are fixedly connected to the front and rear sides of the interior of the cooling box 1. A fixing block 402 is fixedly connected to the right end of the front side of the conveyor belt 401, and a motor is fixedly connected to the top of the fixing block 402. 403, multiple inclined plates 404 are fixedly connected inside the conveyor belt 401. The mounting mechanism 6 includes multiple fixed frames 601. The multiple fixed frames 601 are fixedly connected to each other on the front and rear sides of the cooling box 1. Two bolts 602 are threadedly connected to the left and right sides of the multiple fixed frames 601. Mounting brackets 603 are fixedly connected to the top of the multiple fixed frames 601. Bolts 604 penetrate the opposite sides of the multiple mounting brackets 603. The same protective cover 605 is threadedly connected to each other between the multiple bolts 604.

[0038] Specifically, two water pumps 3071 are fixed at the bottom right of the inner side of the water tank 2, and are connected to the inside of the water tank 2 through a delivery pipe 3072. The top of the pumps extends to the upper part of the cooling box 1 through a spray pipe 3073. When the equipment is started, the water pumps 3071 draw cooling water purified by the filter mechanism 3 from the water tank 2 through the delivery pipe 3072, and spray it onto the lychees in the cooling box 1 through the spray pipe 3073. The cooling water covers the surface of the lychees with a uniform flow, achieving rapid cooling. In the transmission mechanism 4, the conveyor belt 401 is fixed to the front and rear sides of the interior of the cooling box 1, forming a... A horizontal transmission path is formed. The motor 403 is fixed to the top of the fixed block 402 at the front right end of the conveyor belt 401. The output shaft is connected to the internal roller shaft of the conveyor belt 401, driving the conveyor belt 401 to rotate cyclically. Multiple inclined plates 404 fixed inside the conveyor belt 401 move with the conveyor belt 401. The inclination angle of the inclined plates 404 is designed to push the lychees forward along the conveyor belt 401 during transmission, while avoiding the accumulation of lychees. After the lychees enter the cooling box 1, they move with the conveyor belt 401 and pass under the spraying assembly 307 to receive water cooling, and then move to the drying mechanism 5. The cooling process is continuously cooled by blowing away moisture. In the installation mechanism 6, multiple fixing brackets 601 are fixed to the front and rear sides of the cooling box 1, and the left and right sides are connected to the tunnel wall or other supporting structures by bolts 602 to achieve fixed installation of the equipment. The mounting bracket 603 at the top of the fixing bracket 601 extends outward, and bolts 604 penetrate the mounting bracket 603 and are threadedly connected to the protective cover 605, fixing the protective cover 605 to the outside of the mounting bracket 603, thus protecting the inside of the cooling box 1 from damage or safety hazards caused by collisions with foreign objects or contact with personnel. A water pump is used to... The combination of 3071 and water spray pipe 3073 enables the circulating spraying of cooling water and the cooling of lychees; the motor 403 drives the conveyor belt 401 and inclined plate 404 to achieve continuous transmission and dispersed conveying of lychees; the combination of fixed frame 601, bolt 602 and protective cover 605 achieves stable installation and safety protection of the equipment, realizing the functions of efficient cooling, continuous transmission and safe fixing of pipeline lychee circulation cooling equipment, ensuring that lychees are evenly contacted with cooling water during circulation, achieving rapid cooling and freshness preservation, while ensuring the stability and safety of equipment operation.

[0039] Reference Figure 1 and Figure 2 The bottom of the cooling tank 1 is connected to a water outlet pipe 7, and a valve 8 is fixedly connected to the outer wall of the water outlet pipe 7. Multiple fixing rings 9 are fixedly connected to the rear side of the cooling tank 1. The inner diameter of the two fixing rings 9 is larger than the outer wall diameter of the water spray pipe 3073. The opening and closing mechanism 10 includes two hinges 1001. The front bottom of the two hinges 1001 is fixedly connected to the rear top of the water tank 2. The front of the two hinges 1001 is fixedly connected to the same cover plate 1002. The front of the cover plate 1002 is fixedly connected to two pipe clamps 1003. The front top of the water tank 2 is fixedly connected to two buckle fasteners 1004.

[0040] Specifically, the water outlet pipe 7 connected to the bottom of the cooling tank 1 is used to discharge accumulated water or cleaning water inside the cooling tank 1. A valve 8 is fixed to the outer wall of the water outlet pipe 7, controlling the water flow by opening or closing it. When it is necessary to discharge wastewater from the cooling tank 1 or to clean the equipment, the valve 8 is opened, and the accumulated water is discharged through the water outlet pipe 7. After cleaning, the valve 8 is closed to prevent cooling water leakage. The inner diameter of the fixing ring 9 on the rear side of the cooling tank 1 is larger than the outer diameter of the spray pipe 3073. The spray pipe 3073 extends through the fixing ring 9 to the upper part of the cooling tank 1. The fixing ring 9 provides support and positioning for the spray pipe 3073, preventing displacement due to water pressure or vibration, while allowing slight thermal expansion and contraction to ensure the stability of the spray position. The two hinges 1001 are fixed at the bottom front side to the top rear side of the water tank 2, and are connected to the cover plate 1002 on the front side, forming a rotatable opening and closing structure to ensure the pipe remains stable during the opening of the water tank 2. The buckle fastener 100 on the top front side of the water tank 2... 4. The pipe clamp 1003 on the edge of the cover plate 1002 engages with the cover plate 1002. When the cover plate 1002 is closed, the snap fastener 1004 locks the pipe clamp 1003 to prevent it from opening on its own due to vibration. When maintenance of the internal structure of the water tank 2 is required, the snap fastener 1004 is released, and the cover plate 1002 is rotated to open upward around the hinge 1001, exposing the internal space of the water tank 2. After maintenance, the cover plate 1002 is reset and relocked by the snap fastener 1004. Cooling is achieved through the engagement of the valve 8 and the outlet pipe 7. Controllable drainage and cleaning of water accumulated in tank 1; support and positioning of water spray pipe 3073 by fixing ring 9 to ensure the stability of the spraying system; through the linkage of hinge 1001, cover plate 1002 and buckle fastener 1004, convenient opening and sealing locking of water tank 2 are achieved, realizing the functions of equipment water drainage, pipeline fixing and water tank 2 maintenance, ensuring the normal operation of the cooling system, facilitating operators to inspect and replace internal components of water tank 2, and improving the ease of use and maintenance efficiency of the equipment.

[0041] Working principle: First, the equipment is fixed in the designated position by the installation mechanism 6. Multiple fixing brackets 601 are fixed to the front and rear sides of the cooling box 1. The left and right sides are connected to the front and rear sides of the cooling box 1 by bolt 602 to achieve equipment foundation fixation. The mounting bracket 603 at the top of the fixing bracket 601 extends outward. Bolt 604 passes through the mounting bracket 603 and is threaded to the protective cover 605, fixing the protective cover 605 to the outside of the mounting bracket 603, thus protecting the internal components of the cooling box 1 from damage caused by collision with external objects or contact with personnel. The filter mechanism 3 in the water tank 2 starts to work. Multiple mounting plates 301 are fixed to the bottom right side of the inside of the water tank 2 by screws 302, forming a stable installation foundation. Adjacent mounting plates 301 are fixed to the bottom right side of the inside of the water tank 2. The frame is formed by triangular clips 303 fixed between the two sections. The filter screen 304 is fixed between the triangular clips 303. When the cooling water in the water tank 2 flows, impurities in the water are intercepted by the filter screen 304, and the clean cooling water continues to flow to the spray assembly 307. The round hole 305 on the front side of the triangular clip 303 cooperates with the fixing rod 306. When maintenance is required, the operator pulls out the fixing rod 306 to release the restriction on the filter screen 304, and then removes the filter screen 304 for cleaning. After cleaning, the fixing rod 306 is reinserted to ensure that the filtration function continues to be effective. The transmission mechanism 4 works in conjunction with the spray assembly 307. Two water pumps 3071 draw the filtered cooling water in the water tank 2 from the delivery pipe 3072 and spray it into the cooling tank 1 through the spray pipe 3073. The water spray pipe 3073 extends through the fixing ring 9 on the rear side of the cooling box 1 to the upper interior. The fixing ring 9 provides support and positioning for the water spray pipe 3073, ensuring stable spraying. The motor 403 is fixed to the top of the fixing block 402 at the front right end of the conveyor belt 401, driving the conveyor belt 401 to rotate cyclically. Multiple inclined plates 404 fixed inside the conveyor belt 401 move with the conveyor belt 401, pushing the lychees forward along the conveyor belt 401 to avoid accumulation. As the lychees move with the conveyor belt 401, they pass under the spraying assembly 307 in sequence, being covered by a uniform water flow for rapid cooling. The water-cooled lychees then move with the conveyor belt 401 to the bottom of the drying mechanism 5. The bottom of the fixing plate 501 is fixed to the top of the transmission mechanism 4 and moves synchronously with the conveyor belt 401. Inside the mounting groove 502 at the bottom of the fixed plate 501, the slide rail 503 is fixed to the inner top. The slider 505 slides in conjunction with the slide rail 503. The telescopic rod 504 is fixed inside the front side of the mounting groove 502, and its telescopic end is connected to the front side of the slider 505. When the lychee reaches the drying area, the telescopic rod 504 is activated, pushing the slider 505 to move along the slide rail 503 towards the lychee, bringing the fan 506 at the bottom of the slider 505 closer to the lychee surface. After the fan 506 is turned on, the airflow blows directly onto the lychee, accelerating the evaporation of surface moisture. If it is necessary to adjust the airflow range, the telescopic rod 504 shortens in the opposite direction, causing the fan 506 to move backward, changing the airflow spacing and angle. Multiple fans 506 work together to cover the full width of the lychee's flow path, ensuring that the surface moisture of each lychee is effectively dried.Equipment maintenance and water drainage stage: When it is necessary to drain the water in the cooling tank 1 or clean the equipment, open the valve 8 on the outer wall of the outlet pipe 7. The water will drain out through the outlet pipe 7. After cleaning, close the valve 8 to prevent cooling water leakage. If it is necessary to maintain the internal structure of the water tank 2, loosen the top front clip 1004 and pipe clamp 1003 of the water tank 2, rotate the cover 1002 upward around the hinge 1001 to expose the internal space of the water tank 2. After maintenance, reset the cover 1002 and relock it using the clip 1004 to ensure the water tank 2 is sealed.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pipeline-type litchi circulation cooling device, comprising a cooling box (1), characterized in that: The cooling box (1) is fixedly connected to two water tanks (2) on its rear side. Both water tanks (2) are equipped with a filter mechanism (3) inside. The filter mechanism (3) is used to filter the cooling water inside the water tank (2). The cooling box (1) is equipped with a transmission mechanism (4) inside. The top of the transmission mechanism (4) is equipped with a drying mechanism (5) to dry the water on the lychee. The cooling box (1) is equipped with an installation mechanism (6) on its front and rear sides. Both water tanks (2) are equipped with an opening and closing mechanism (10) on their rear top sides. The filtration mechanism (3) includes multiple mounting plates (301). The right sides of the multiple mounting plates (301) are fixedly connected to the bottom right end of the inner side of the water tank (2). Two screws (302) pass through the left side of each of the multiple mounting plates (301). The right sides of the multiple screws (302) are threaded to the inner right side of the water tank (2). Triangular clips (303) are fixedly connected between adjacent mounting plates (301). Filter screens (304) are fixedly connected between adjacent triangular clips (303). Circular holes (305) are opened on the front side of each of the multiple triangular clips (303). Fixing rods (306) are slidably connected inside the two circular holes (305) on the left and the circular hole (305) on the right. A spraying assembly (307) is provided on the left side of the water tank (2).

2. The pipeline-type litchi circulation cooling device according to claim 1, characterized in that: The drying mechanism (5) includes a fixing plate (501), the bottom of which is fixedly connected to the top of the transmission mechanism (4). The bottom of the fixing plate (501) has multiple mounting slots (502). The top of the inner side of each of the multiple mounting slots (502) is fixedly connected to a slide rail (503). The front side of the inner side of each of the multiple mounting slots (502) is fixedly connected to a telescopic rod (504). The bottom of each of the multiple slide rails (503) is slidably connected to a slider (505). The bottom of each of the multiple sliders (505) is fixedly connected to a fan (506).

3. The pipeline-type litchi circulation cooling device according to claim 1, characterized in that: The spraying assembly (307) includes two water pumps (3071), the bottom of which is fixedly connected to the bottom right end of the water tank (2), the left end of which is connected to a delivery pipe (3072), and the top of which is connected to a spray pipe (3073).

4. The pipeline-type litchi circulation cooling device according to claim 1, characterized in that: The transmission mechanism (4) includes a conveyor belt (401), the front and rear sides of which are fixedly connected to the front and rear sides of the cooling box (1). A fixing block (402) is fixedly connected to the right end of the front side of the conveyor belt (401), and a motor (403) is fixedly connected to the top of the fixing block (402). Multiple inclined plates (404) are fixedly connected inside the conveyor belt (401).

5. The pipeline-type litchi circulation cooling device according to claim 1, characterized in that: The mounting mechanism (6) includes multiple fixing brackets (601), which are fixedly connected to the front and rear sides of the cooling box (1) respectively. Two bolts (602) are threadedly connected to the left and right sides of the multiple fixing brackets (601). A mounting bracket (603) is fixedly connected to the top of the multiple fixing brackets (601). Bolts (604) penetrate the opposite sides of the multiple mounting brackets (603). The same protective cover (605) is threadedly connected to the adjacent bolts (604).

6. The pipeline-type litchi circulation cooling device according to claim 1, characterized in that: The bottom of the cooling box (1) is connected to a water outlet pipe (7), and a valve (8) is fixedly connected to the outer wall of the water outlet pipe (7).

7. The pipeline-type litchi circulation cooling device according to claim 1, characterized in that: The cooling box (1) is fixedly connected to a plurality of fixing rings (9), and the inner diameter of the two fixing rings (9) is larger than the outer diameter of the water spray pipe (3073).

8. The pipeline-type litchi circulation cooling device according to claim 1, characterized in that: The opening and closing mechanism (10) includes two hinges (1001). The bottom front side of the two hinges (1001) is fixedly connected to the top rear side of the water tank (2). The front side of the two hinges (1001) is fixedly connected to the same cover plate (1002). The front side of the cover plate (1002) is fixedly connected to two pipe clamps (1003). The top front side of the water tank (2) is fixedly connected to two buckle fasteners (1004).