Low-energy-consumption double-helix quick-freezing device

Abstract

The utility model relates to the technical field of quick-freezing devices, in particular to a low-energy-consumption double-spiral quick-freezing device which comprises a machine shell, two sets of spiral conveying towers are symmetrically arranged in the machine shell in the longitudinal direction, and spiral conveying belts capable of spirally moving upwards at a constant speed are arranged in the spiral conveying towers. Conveying frames are arranged at the feeding end and the discharging end of the machine shell, separating devices used for discharging are symmetrically arranged on the two sides of the conveying frame at the discharging end, scraping plates which can transversely move and abut against the surfaces of the conveying frames are arranged on the inner sides of the separating devices, and a refrigerating device used for refrigerating is arranged at the top of the machine shell. Aquatic products frozen on the surface of the spiral conveying belt are separated through the scraper blade, air in the machine shell is circularly purified through the purification device, and the problems that the aquatic products frozen on the surface of the spiral conveying belt are inconvenient to separate, the interior of the machine shell is in a closed state, and the separation efficiency is high are solved. And peculiar smell is easy to generate.

Description

Technical Field

[0001] The utility model relates to the technical field of quick-freezing devices, in particular to a low-energy consumption double-spiral quick-freezing device. Background Art

[0002] The double-helix quick-freezing device is a device that utilizes refrigerants such as liquid ammonia or carbon dioxide. Food enters the machine from two entrances. Through the rotation of the double helix and the action of the refrigeration system, the food is quickly cooled to the required temperature to maintain its freshness and quality. The double-helix quick-freezing device is more common in the freezing processing of aquatic products.

[0003] Chinese patent CN205048847U discloses a double-spiral quick-freezing device for freezing tilapia, wherein the casing is a square hollow structure, the casing is made of an insulation layer structure, a refrigeration fan is provided in the middle of the front of the casing, the refrigeration fan is installed on the front and rear surfaces of the refrigeration box, a square inlet is provided in the middle of the left side of the casing, and a left conveyor belt is provided at the inlet, a square outlet is provided in the middle of the right side of the casing, and a right conveyor belt is provided at the outlet, the left spiral platform and the right spiral platform are arranged vertically in parallel, the left spiral platform rotates clockwise, and the right spiral platform rotates counterclockwise, the refrigeration box is located between the left spiral platform and the right spiral platform, the left spiral platform and the right spiral platform are connected by a top connecting belt, the left spiral platform and the right spiral platform structure are in a spiral ascending shape, and a chain tray structure is provided on the spiral surface of the left spiral platform and the right spiral platform. Although the above double spiral structure can effectively improve the refrigeration efficiency, improve the space utilization and reduce the floor area, the following deficiencies still exist.

[0004] When the existing double-screw conveying device is used to quickly freeze aquatic products, since the aquatic products themselves contain large water stains and the aquatic products stay on the surface of the conveyor belt for a long time, the aquatic products are easily frozen on the surface of the conveyor belt, which makes it difficult to separate the quickly frozen aquatic products from the conveyor belt. In addition, the double-screw conveying device is only provided with a feed port and a discharge port, resulting in poor air circulation inside the double-screw conveying device, which is very easy to produce odor. Therefore, the inventor proposes a low-energy consumption double-screw quick-freezing device to solve the above problems. Utility Model Content

[0005] In view of the above problems, a low-energy double-spiral quick-freezing device is provided. By bringing one end of a scraper into contact with the surface of a spiral conveyor belt and arranging a purification device on the top of the exhaust device at the rear end of a casing, the scraper can separate the aquatic products frozen on the surface of the spiral conveyor belt, and the purification device can purify the air circulation inside the casing, thereby solving the problems of aquatic products being frozen on the surface of the spiral conveyor belt and being inconvenient to separate, and the interior of the casing being in a closed state and prone to producing odor.

[0006] To solve the problems of the prior art, the utility model provides a low-energy double-spiral quick-freezing device, comprising a casing, wherein two groups of spiral conveying towers are symmetrically arranged longitudinally inside the casing, a spiral conveyor belt which can spirally move upward at a uniform speed is arranged inside the conveying spiral conveying tower, and conveying frames are arranged at the feeding end and the discharging end of the casing, and separation devices for unloading are symmetrically arranged on both sides of the conveying frame at the discharging end, a scraper which can move laterally and abut against the surface of the conveying frame is arranged on the inner side of the separation device, a refrigeration device for refrigeration is arranged on the top of the casing, an exhaust device for exhaust is arranged at the center of the casing end, and a purification device for purifying air is arranged on the top of the exhaust device, and the purification device is connected with the refrigeration device, so as to facilitate the rapid separation of aquatic products from the surface of the spiral conveyor belt, and to purify the air inside the casing through the purification device.

[0007] As a technical solution of the utility model, a clearance groove is arranged inside the separation device, a limiting rod is arranged horizontally at the center of the clearance groove, sliders which can be slidably installed on the outside of the limiting rod are arranged at both ends of the scraper, and a return spring which can drive the slider to slide along the limiting rod is arranged outside the limiting rod, so that the scraper is always in contact with the surface of the spiral conveyor belt and separates the aquatic product from the surface of the spiral conveyor belt.

[0008] As a technical solution of the utility model, a fan for exhausting air is arranged inside the exhaust device so that the fan can extract the air inside the casing.

[0009] As a technical solution of the utility model, a plurality of purification filter elements for filtering air are horizontally arranged inside the purification device, so that the purification filter elements can purify the air.

[0010] As a technical solution of the utility model, a bend pipe which can be connected to the refrigeration device is arranged at the top of the purification device, so that the purified air inside the purification device can be transported to the inside of the refrigeration device through the bend pipe.

[0011] As a technical solution of the utility model, a plurality of condensers for cooling are arranged inside the refrigeration device, so that the condensers can cool the air transported to the inside of the refrigeration device.

[0012] As a technical solution of the utility model, air guide covers which can be connected with the inside of the casing are arranged on both sides of the refrigeration device, so that the air guide covers can transport cold air to the inside of the casing.

[0013] As a technical solution of the utility model, a tensioning device capable of automatically adjusting the tension of the spiral conveyor belt is arranged at the center of the interior of the casing, and a first support frame capable of moving upward is elastically arranged at the top of the tensioning device, and a support roller for driving the spiral conveyor belt upward is rotatably arranged on the inner side of the first support frame, and second support frames are symmetrically arranged on both sides of the tensioning device, and a limiting roller for limiting the moving path of the spiral conveyor belt is rotatably arranged on the inner side of the second support frame, so that the tensioning device can automatically adjust the tension of the spiral conveyor belt.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The present application arranges a separation device on both sides of a conveying frame at the discharge end of a casing, and arranges a scraper capable of moving laterally inside the separation device, and one end of the scraper abuts against the surface of the spiral conveyor belt, so that when the spiral conveyor belt drives the aquatic products to be discharged, the scraper separates the aquatic products from the surface of the spiral conveyor belt, and arranges a purification device on the top of the exhaust device at the rear end of the casing, so that the exhaust device transmits the air with odor inside the casing to the purification device, which is filtered by the purification device and then cooled by the refrigeration device before being transmitted to the inside of the casing, thereby realizing that the scraper separates the aquatic products frozen on the surface of the spiral conveyor belt, and the purification device circulates and purifies the air inside the casing, thereby solving the problems that the aquatic products are frozen on the surface of the spiral conveyor belt and are inconvenient to be separated, and the inside of the casing is in a closed state and is prone to produce odor.

[0016] The present application provides sliders at both ends of the scraper, and movably installs the sliders on the outside of the limit rod, then installs a return spring on the outside of the limit rod, and one end of the return spring abuts against one side of the slider, so that the return spring pushes the slider to slide along the outside of the limit rod, and then the slider drives the scraper to abut against the surface of the spiral conveyor belt, so that the scraper is always in abutment with the surface of the spiral conveyor belt and the aquatic product is separated from the surface of the spiral conveyor belt, solving the problem of the inconvenience of unloading aquatic products frozen on the surface of the spiral conveyor belt.

[0017] The present application arranges a multi-layer purification filter element inside the purification device, and connects the bottom end of the purification device with the exhaust device, and then connects the purification device with the refrigeration device through a bent pipe, so that the fan inside the exhaust device draws the air from the casing and transports it to the inside of the purification device, and then transports it to the inside of the refrigeration device through the bent pipe after being purified by the purification filter element, and after being cooled by the condenser inside the refrigeration device, it is transported to the inside of the casing again by the guide cover, so that the air inside the casing is purified, and the two guide covers are respectively located at the top end of the center of the spiral conveying tower, so that the cold air diffuses outward from the center of the spiral conveying tower, thereby avoiding the loss of cold air to the maximum extent, thereby improving the refrigeration efficiency and reducing the energy consumption, and solving the problem of cold air loss and increased energy consumption when the air inside the casing is replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of a low-energy double-spiral quick-freezing device.

[0019] Figure 2 It is a schematic diagram of the internal structure of a low-energy double-spiral quick-freezing device.

[0020] Figure 3 It is an exploded view of the refrigeration unit in a low-energy double-spiral quick-freezing device.

[0021] Figure 4 It is an exploded view of the purification device in a low-energy double-spiral quick-freezing device.

[0022] Figure 5 It is a stereoscopic diagram of a tensioning device in a low-energy double-spiral quick-freezing device.

[0023] Figure 6 It is a stereoscopic diagram of a separation device in a low-energy double-spiral quick-freezing device.

[0024] The numbers in the figure are: 1. casing; 2. spiral conveyor tower; 3. spiral conveyor belt; 4. conveyor frame; 5. separation device; 501. clearance groove; 502. limit rod; 503. slider; 504. scraper; 505. reset spring; 6. tensioning device; 601. first support frame; 602. support roller; 603. second support frame; 604. limit roller; 7. refrigeration device; 701. condenser; 702. deflector; 8. exhaust device; 801. fan; 9. purification device; 901. purification filter element; 902. elbow. DETAILED DESCRIPTION

[0025] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] See also Figure 1-Figure 6 As shown, the utility model provides a low-energy double-spiral quick-freezing device, comprising a casing 1, wherein two groups of spiral conveying towers 2 are longitudinally symmetrically arranged inside the casing 1, a spiral conveying belt 3 capable of spirally moving upward at a uniform speed is arranged inside the conveying spiral conveying tower 2, and a conveying frame 4 is arranged at the feeding end and the discharging end of the casing 1, and a separating device 5 for unloading is symmetrically arranged on both sides of the conveying frame 4 at the discharging end, a scraper 504 capable of moving laterally and abutting against the surface of the conveying frame 4 is arranged on the inner side of the separating device 5, and a refrigeration device 7 for refrigeration is arranged on the top of the casing 1, and an exhaust device 8 for exhaust is arranged at the center of one end of the casing 1, and a purification device 9 for purifying air is arranged at the top of the exhaust device 8, and the purification device 9 is connected to the refrigeration device 7.

[0027] When in use, a separation device 5 is arranged on both sides of the conveying frame 4 at the discharge end of the casing 1, and a scraper 504 that can move laterally is arranged inside the separation device 5, and one end of the scraper 504 is in contact with the surface of the spiral conveyor belt 3, so that when the spiral conveyor belt 3 drives the aquatic products to be discharged, the scraper 504 separates the aquatic products from the surface of the spiral conveyor belt 3, and a purification device 9 is arranged on the top of the exhaust device 8 at the rear end of the casing 1, so that the exhaust device 8 transmits the odorous air inside the casing 1 to the purification device 9, which is filtered by the purification device 9 and then cooled by the refrigeration device 7 and then transmitted to the inside of the casing 1, so that the cold air can not only be circulated and purified, but also the loss of cold air can be avoided, so that the aquatic products can be quickly separated from the surface of the spiral conveyor belt 3, and the air inside the casing 1 can be purified.

[0028] See also Figure 6 As shown, a clearance groove 501 is arranged inside the separation device 5, a limiting rod 502 is arranged horizontally at the center of the clearance groove 501, sliders 503 which can be slidably installed on the outside of the limiting rod 502 are arranged at both ends of the scraper 504, and a return spring 505 which can drive the slider 503 to slide along the limiting rod 502 is arranged outside the limiting rod 502.

[0029] When in use, sliders 503 are set at both ends of the scraper 504, and the sliders 503 are movably installed on the outside of the limiting rod 502, and then the return spring 505 is installed on the outside of the limiting rod 502, and one end of the return spring 505 abuts against one side of the slider 503, so that the return spring 505 pushes the slider 503 to slide along the outside of the limiting rod 502, and then the slider 503 drives the scraper 504 to abut against the surface of the spiral conveyor belt 3, so that the scraper 504 is always in contact with the surface of the spiral conveyor belt 3, and the aquatic products are separated from the surface of the spiral conveyor belt 3.

[0030] See also Figure 4 As shown, a fan 801 for exhausting air is arranged inside the exhaust device 8 .

[0031] When in use, a fan 801 is arranged inside the exhaust device 8 so that the fan 801 extracts the air inside the casing 1 and transports it to the inside of the purification device 9 .

[0032] See also Figure 4 As shown, a plurality of purification filter elements 901 for filtering air are horizontally arranged inside the purification device 9.

[0033] When in use, a plurality of purification filter elements 901 are arranged inside the purification device 9 so that the purification filter elements 901 purify the air.

[0034] See also Figure 1 and Figure 4 As shown, a bend pipe 902 which can be connected to the refrigeration device 7 is provided at the top of the purification device 9 .

[0035] When in use, a bend 902 is provided at the top of the purification device 9, and one end of the bend 902 is connected to the refrigeration device 7, so that the purification device 9 is connected to the refrigeration device 7 through the bend 902, so that the purified air inside the purification device 9 is transported to the inside of the refrigeration device 7 through the bend 902.

[0036] See also Figure 2 As shown, a plurality of condensers 701 for cooling are arranged inside the refrigeration device 7 .

[0037] When in use, the condenser 701 is arranged inside the refrigeration device 7 so that the condenser 701 cools down the air delivered to the inside of the refrigeration device 7 .

[0038] See also Figure 2 As shown, air guide covers 702 that can communicate with the interior of the casing 1 are arranged on both sides of the refrigeration device 7 .

[0039] When in use, the deflector 702 is symmetrically arranged on both sides of the refrigeration device 7, and the deflector 702 is respectively located at the center of the top of the spiral conveying tower 2 inside the casing 1, so that the deflector 702 conveys cold air into the casing 1 and diffuses it outward from the center of the spiral conveying tower 2, thereby improving the refrigeration efficiency.

[0040] See also Figure 5 As shown, a tensioning device 6 capable of automatically adjusting the tension of the spiral conveyor belt 3 is provided at the center of the interior of the casing 1, a first support frame 601 capable of moving upward is elastically provided at the top of the tensioning device 6, a support roller 602 for driving the spiral conveyor belt 3 upward is rotatably provided on the inner side of the first support frame 601, and second support frames 603 are symmetrically provided on both sides of the tensioning device 6, and a limiting roller 604 for limiting the moving path of the spiral conveyor belt 3 is rotatably provided on the inner side of the second support frame 603.

[0041] When in use, a first support frame 601 is elastically set at the top of the tensioning device 6, and a rotatable support roller 602 is set on the inner side of the first support frame 601, and a second support frame 603 is symmetrically set on both sides of the tensioning device 6, and a rotatable limiting roller 604 is set on the inner side of the second support frame 603, and then the spiral conveyor belt 3 is passed from the bottom of the limiting roller 604 to the top of the supporting roller 602, so that the supporting roller 602 drives the spiral conveyor belt 3 to move upward, so that the tensioning device 6 automatically adjusts the tension of the spiral conveyor belt 3 to avoid loosening of the spiral conveyor belt 3.

[0042] The above embodiments only express one or several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the attached claims.

Claims

1. A low-energy double-spiral quick-freezing device, comprising a housing (1), characterized in that: Two groups of spiral conveying towers (2) are symmetrically arranged inside the casing (1), and a spiral conveying belt (3) capable of spirally moving upward at a uniform speed is arranged inside the spiral conveying towers (2), and a conveying frame (4) is arranged at both the feeding end and the discharging end of the casing (1), and a separation device (5) for unloading is symmetrically arranged on both sides of the discharging end conveying frame (4), and a scraper (504) capable of horizontal movement and abutting against the surface of the conveying frame (4) is arranged on the inner side of the separation device (5), and a refrigeration device (7) for refrigeration is arranged on the top of the casing (1), and an exhaust device (8) for exhaust is arranged at the center of the end of the casing (1), and a purification device (9) for purifying air is arranged at the top of the exhaust device (8), and the purification device (9) is connected to the refrigeration device (7).

2. A low energy consumption double spiral quick freezing device according to claim 1, characterized in that: A clearance groove (501) is arranged inside the separation device (5), a limiting rod (502) is arranged transversely at the center of the clearance groove (501), sliders (503) which can be slidably mounted on the outside of the limiting rod (502) are arranged at both ends of the scraper (504), and a return spring (505) which can drive the slider (503) to slide along the limiting rod (502) is arranged outside the limiting rod (502).

3. A low energy consumption double spiral quick freezing device according to claim 1, characterized in that: The exhaust device (8) is provided with a fan (801) for exhausting air.

4. A low energy consumption double spiral quick freezing device according to claim 1, characterized in that: A plurality of purification filter elements (901) for filtering air are horizontally arranged inside the purification device (9).

5. A low energy consumption double spiral quick freezing device according to claim 1, characterized in that: The top end of the purification device (9) is provided with a curved pipe (902) capable of communicating with the refrigeration device (7).

6. A low energy consumption double spiral quick freezing device according to claim 1, characterized in that: A plurality of condensers (701) for cooling are arranged inside the refrigeration device (7).

7. A low energy consumption double spiral quick freezing device according to claim 1, characterized in that: Air guide covers (702) capable of communicating with the interior of the casing (1) are arranged on both sides of the refrigeration device (7).

8. A low energy consumption double spiral quick freezing device according to claim 1, characterized in that: A tensioning device (6) capable of automatically adjusting the tension of the spiral conveyor belt (3) is arranged at the center of the interior of the casing (1); a first support frame (601) capable of moving upward is elastically arranged at the top end of the tensioning device (6); a support roller (602) for driving the spiral conveyor belt (3) upward is rotatably arranged on the inner side of the first support frame (601); and second support frames (603) are symmetrically arranged on both sides of the tensioning device (6); and a limiting roller (604) for limiting the moving path of the spiral conveyor belt (3) is rotatably arranged on the inner side of the second support frame (603).

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