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CN-224210655-U - Cage shell cooling device of double-screw oil press

CN224210655UCN 224210655 UCN224210655 UCN 224210655UCN-224210655-U

Abstract

The utility model provides a cage shell cooling device of a double-screw oil press, which comprises a cage, wherein a plurality of rows of bar wedges are arranged in the cage, an upper screw and a lower screw which rotate relatively are arranged in the bar wedges, and a cooling water circulation pipeline is arranged at the tail part of the bar wedges so as to reduce the temperature of materials and the denaturation rate of proteins. The press cage consists of a plurality of fixed plates which are connected and fixed through a hinge shaft and a locking bolt, is convenient to maintain and overhaul, and the press bar wedge comprises a 3-shaped side sealing plate which is assembled into an 8-shaped structure through a screw rod and is provided with an S-shaped water channel to enhance heat exchange efficiency. The external cooling system consists of a cooling water tank, a condenser and a water pump, so that the low-temperature recycling of the cooling water is ensured. The cooling water enters the cooling water circulation pipeline in the bar wedge through the water inlet pipe and then returns to the cooling water tank through the water return pipe, so that the temperature of the materials is effectively controlled. Through the design, not only is the oil extraction efficiency and quality improved, but also the protein denaturation is obviously reduced, and the overall utilization value of soybean resources is improved.

Inventors

  • LEI XIN
  • YE HAO
  • ZOU MAOLIN
  • YE PING

Assignees

  • 安陆市天星粮油机械设备有限公司

Dates

Publication Date
20260508
Application Date
20250531

Claims (7)

  1. 1. A cage shell cooling device of a double-screw oil press comprises a plurality of rows of bar wedges (2) in a cage (1), wherein an upper screw (3) and a lower screw (4) which rotate relatively are arranged in the bar wedges (2), and the cage shell cooling device is characterized in that cooling water circulation pipelines are arranged in the bar wedges (2) at the tail parts of the upper screw (3) and the lower screw (4) and are used for cooling materials and reducing protein denaturation rate; the squeezing cage (1) comprises a plurality of fixing plates (101) which are oppositely arranged, the bottoms of the plurality of fixing plates (101) are hinged through a hinge shaft (106), and two ends of the two opposite fixing plates (101) are fixedly connected through locking bolts (103); the strip squeezing wedge (2) comprises a plurality of side sealing plates (201) which are oppositely arranged, two ends of each two opposite side sealing plates (201) are fixedly connected through screws (202), side sealing plate fixing seats (105) are fixedly arranged on the fixing plates (101), and the side sealing plate fixing seats (105) are connected with threaded holes (207) in the middle of each side sealing plate (201) through bolts.
  2. 2. The cooling device for the shell of the pressing cage of the double-screw oil press according to claim 1, wherein a plurality of fixing plates (101) of the array are fixedly connected through a plurality of connecting shafts (104).
  3. 3. The cooling device for the press housing of the double-screw oil press according to claim 1, wherein the side sealing plates (201) are 3-shaped, the two opposite side sealing plates (201) are assembled to be 8-shaped, and the upper screw (3) and the lower screw (4) are positioned between the two side sealing plates (201) to rotate.
  4. 4. The cooling device for the press cage shell of the double-screw oil press according to claim 1, wherein a plurality of connecting seats (203) are fixedly arranged at two ends of the side sealing plates (201), and the connecting seats (203) on the two opposite side sealing plates (201) are fixedly connected through screws (202).
  5. 5. The cooling device for the press cage shell of the double-screw oil press according to claim 1, wherein the side sealing plate (201) is internally provided with an S-shaped water channel (210), the bottom of the side sealing plate (201) is provided with a water outlet (208), the top of the side sealing plate is provided with a water inlet (209), and the water outlet (208) and the water inlet (209) are communicated with the S-shaped water channel (210); A water inlet pipe (204) and a water return pipe (205) in the cooling water circulation system are respectively connected with a water inlet (209) and a water outlet (208).
  6. 6. The cooling device for the press housing of the double-screw oil press according to claim 1, wherein the fixing plate (101) is fixedly provided with a plurality of water pipe fixing seats (102), and the water inlet pipe (204) and the water return pipe (205) in the cooling water circulation system are arranged on the water pipe fixing seats (102).
  7. 7. The cooling device for the press cage shell of the double-screw oil press according to any one of claims 1 and 3-5 is characterized in that a plurality of oil discharge gaps (206) are formed in the side sealing plates (201).

Description

Cage shell cooling device of double-screw oil press Technical Field The utility model relates to the field of oil presses, in particular to a cage shell cooling device of a double-screw oil press. Background In the field of grease processing, particularly in the squeezing process of oil crops such as soybeans, the traditional high-temperature squeezing method can effectively extract grease, but also brings about a remarkable problem that soybean protein is denatured due to a high-temperature environment. The result of protein denaturation not only reduces the nutritional value and functional characteristics of the proteins in the soybeans, but also greatly limits the comprehensive utilization efficiency of soybean resources. With the increasing demand of high-quality vegetable proteins in the market and the increasing demand of resource utilization efficiency, how to reduce protein denaturation while guaranteeing high-efficiency oil extraction is an important direction of research in the field. In the traditional high-temperature squeezing process, the temperature of the materials is rapidly increased due to friction heat generation and the like, so that the protein structure in the soybeans is changed, namely denaturation occurs. The protein denaturation seriously affects the quality of subsequent products and the application range thereof, such as the nutritional value thereof is greatly reduced when the protein denaturation is used in the fields of food additives, nutritional supplements and the like. The problem of protein denaturation during high temperature pressing directly results in a decrease in the overall utilization of soybeans as a raw material. In addition to the oil extraction efficiency, how to effectively retain and utilize the protein components in soybeans becomes a problem to be solved. Disclosure of utility model The utility model mainly aims to provide a cooling device for a press cage shell of a double-screw oil press, which solves the problems in the background art. In order to solve the technical problems, the utility model adopts the technical scheme that the novel multifunctional juicer comprises a plurality of rows of juicing wedges in a juicing cage, wherein an upper spiral and a lower spiral which rotate relatively are arranged in the juicing wedges, and cooling water circulation pipelines are arranged in the juicing wedges at the tail parts of the upper spiral and the lower spiral and are used for cooling materials and reducing the protein denaturation rate; The squeezing cage comprises a plurality of fixing plates which are oppositely arranged, the bottoms of the fixing plates are hinged through hinge shafts, and two ends of the two opposite fixing plates are fixedly connected through locking bolts; The strip squeezing wedge comprises a plurality of side sealing plates which are oppositely arranged, two ends of each of the two opposite side sealing plates are fixedly connected through screws, a side sealing plate fixing seat is fixedly arranged on the fixing plate, and the side sealing plate fixing seat is connected with threaded holes in the middle of each side sealing plate through bolts. Preferably, the plurality of fixing plates of the array are fixedly connected through a plurality of connecting shafts. Preferably, the side seal plates are 3-shaped, the two opposite side seal plates are assembled into 8-shaped, and the upper screw and the lower screw are positioned between the two side seal plates to rotate. Preferably, a plurality of connecting seats are fixedly arranged at two ends of the side sealing plates, and the connecting seats on the two opposite side sealing plates are fixedly connected through screws. Preferably, an S-shaped water channel is arranged in the side sealing plate, a water outlet is arranged at the bottom of the side sealing plate, the top is provided with a water inlet, the water outlet and the water inlet are communicated with the S-shaped water channel; The water inlet pipe and the water return pipe in the cooling water circulation system are respectively connected with the water inlet and the water outlet. Preferably, a plurality of water pipe fixing seats are fixedly arranged on the fixing plate, and a water inlet pipe and a water return pipe in the cooling water circulation system are arranged on the water pipe fixing seats. Preferably, a plurality of oil discharge gaps are formed in the side sealing plates. The utility model provides a cage shell cooling device of a double-screw oil press, which can cool materials in a cage and reduce the denaturation rate of protein by circularly introducing cooling water into a bar wedge. The cooling water is repeatedly used through the closed circulation system, so that water resources are saved, and the environment-friendly requirement is met. The condenser cooperates with the water pump to realize accurate temperature control, so that energy waste is avoided, and the energy efficiency ratio of the syst