CN-121796982-B - Multistage collagen filtering device

CN121796982BCN 121796982 BCN121796982 BCN 121796982BCN-121796982-B

Abstract

The invention discloses a collagen multistage filtering device, and relates to the technical field of filtering. The collagen multistage filtering device comprises a coarse filter and a fine filter, wherein the fine filter comprises a shell and filtering main bodies arranged in the shell in an array mode, collagen liquid channels are formed between adjacent filtering main bodies, a driving mechanism is arranged on the shell and used for adjusting the distance between the adjacent filtering main bodies to enable the collagen liquid channels to form reduced channels, spray pipes are arranged in areas, opposite to the reduced channels, of the shell and are communicated with the collagen liquid after filtering, so that the spray pipes can spray the collagen liquid on the reduced channels.

Inventors

MA LONG
SONG LIGUO
WANG CHUNLEI
ZHANG ZHIWEI

Assignees

山东海奥斯生物科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260310

Claims (3)

1. The collagen multistage filtering device is characterized by comprising a coarse filter (1) and a fine filter, wherein the coarse filter and the fine filter are used for directly performing two-step filtration after one-step filtration, the fine filter comprises a shell (14) and filtering main bodies (9) arranged in the shell (14), a collagen liquid channel is formed between the adjacent filtering main bodies (9), and a driving mechanism is arranged on the shell (14) and used for adjusting the distance between the adjacent filtering main bodies (9) to enable the collagen liquid channel to form a reduced channel; The area, opposite to the shrinking channel, of the shell (14) is provided with a spray pipe (63), the spray pipe (63) is communicated with a filtered collagen liquid, a carrier plate (7) is arranged in the area, close to the top surface, of the shell (14), and the carrier plate (7) is used for supporting the upper end of the filtering main body (9); The lower end of the filtering main body (9) is provided with a filtered liquid draining component communicated with the outside; The filtering main body (9) comprises an inner cage (92), a movable slip ring (93) is sleeved at the upper end of the inner cage (92), a filter bag (91) and an elastic sheet (94) are fixedly arranged between the movable slip ring (93) and the lower end of the inner cage (92), the elastic sheet (94) is positioned in an interlayer between the inner cage (92) and the filter bag (91), a driving mechanism is used for driving each movable slip ring (93) to axially slide, the elastic sheet (94) enables the filter bag (91) to be stretched, the middle area of the filter bag (91) is thickened, a shrinking channel formed between four adjacent filter bags (91) after being stretched is a conical channel, and a spray pipe (63) is positioned at the upper side and the lower side in a shell (14) and is used for spraying collagen liquid to the conical channels at the upper side and the lower side; The inner cage (92) comprises an upper fixed seat (921), a lower fixed seat (923) positioned below the upper fixed seat (921) and a cage body (922) arranged between the upper fixed seat (921) and the lower fixed seat (923), wherein the upper fixed seat (921) and the movable slip ring (93) are both positioned in the through hole (71); the spray pipes (63) in the same row are arranged on the same branch pipe (62), one end of the branch pipe (62) penetrates through the shell (14) and then is connected with a pressure pipe (61), and the pressure pipe (61) is connected with a branch of the connecting pipe (10); The device comprises a buffer tank (3), a heat exchanger (2) and a suction pump (4), wherein a discharge port of a coarse filter (1) is sequentially connected with the buffer tank, the heat exchanger (2) and the suction pump (4), a connecting pipe (10) is arranged between the suction pump (4) and one side of a shell (14), a branch pipeline of the connecting pipe (10) is connected with a pressure pipe (61), a feed port (11) matched with the connecting pipe (10) is arranged in a region near the lower part of one side of the shell (14), collagen liquid is filtered by a filtering main body (9), impurities are remained on the outer surface of the filtering main body (9), and when a channel is reduced, no feed is carried out through the feed port (11), but no filtrate is sprayed in the reduced channel in a direct spraying way.
2. The collagen multistage filtering device according to claim 1, wherein the driving mechanism comprises a pressing frame (5), the movable slip ring (93) is fixed on the pressing frame (5), a pressure cylinder (15) is installed at the top of the shell (14), and a piston rod of the pressure cylinder (15) is fixedly connected with the pressing frame (5).
3. A multistage collagen filtering device according to claim 1, wherein the filtered drainage assembly comprises a tube array (13) for connecting the lower ends of the filtering bodies (9) of each row, and a collecting tube (8) is fixedly arranged at one end of the tube array (13) after passing through a shell (14); The back flushing device is characterized in that a first opening and closing valve is arranged on the collecting pipe (8), a back flushing pipe is further connected to the collecting pipe (8), a second opening and closing valve is arranged on the back flushing pipe, and back flushing liquid can enter the filtering main body (9) through the back flushing pipe and the collecting pipe (8); A drain outlet (12) is arranged right below the shell (14).

Description

Multistage collagen filtering device Technical Field The invention relates to the technical field of filtration, in particular to a collagen multistage filtration device. Background Collagen refers in particular to a collagen liquid extracted from connective tissue such as animal skin, bone, etc., which is a core raw material for producing artificial collagen casings or as adhesives, fillers and water retaining agents for meat products such as ham sausages, which is usually a fluid or semi-fluid having a certain viscosity. In the production process, the filter is required to be finely filtered to remove impurities, particles or macromolecular groups which are not completely dissolved, so that the taste of the final product is fine and smooth, the structure is uniform and the caliber is standard. The existing filtering adopts a twice filtering process, namely a first filtering process and a second filtering process, wherein a square barrel is used after the first filtering process, a round barrel is used after the second filtering process, a large number of containers are occupied, the mixed materials are firstly cooled to a proper temperature through a first filtering placing refrigeration house, then the second filtering process is carried out (the temperature of the first filtering process is about 35 ℃, the temperature of the second filtering process is about 17 ℃), the materials are stored through the two times of material transportation, the labor is consumed, the square barrel is occupied, the storage position of the refrigeration house is occupied, the risk of pollution in the material transportation process is increased through the twice transportation, in addition, the daily yield is low due to the fact that the filtration of the processes is unable to continue, and in addition, the filtration continuity is poor due to the fact that the back flushing frequency of a filter bag is high in the filtering process. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a collagen multistage filtering device, which solves the problems in the background technology. The collagen multistage filtering device comprises a coarse filter and a fine filter, wherein the fine filter comprises a shell and filtering bodies arranged in the shell in an array mode, collagen liquid channels are formed between the adjacent filtering bodies, a driving mechanism is arranged on the shell and used for adjusting the distance between the adjacent filtering bodies to enable the collagen liquid channels to form reduced channels, spray pipes are arranged in areas, opposite to the reduced channels, of the shell and are communicated with filtered collagen liquid, the spray pipes can spray the collagen liquid to the reduced channels, a carrier plate is arranged in the area, close to the top surface, of the shell and used for supporting the upper ends of the filtering bodies, and a filtered liquid discharging component communicated with the outside is arranged at the lower ends of the filtering bodies. Further, the filter main body comprises an inner cage, a movable slip ring is sleeved at the upper end of the inner cage, a filter bag and an elastic sheet are fixedly arranged between the movable slip ring and the lower end of the inner cage, the elastic sheet is located in an interlayer between the inner cage and the filter bag, a driving mechanism is used for driving the movable slip ring to axially slide, the elastic sheet is used for expanding the movable slip ring, a reduced channel formed between four adjacent filter bags after expanding is a conical channel, and a spray pipe is located at the upper side and the lower side of the shell and is used for spraying collagen liquid to the conical channels at the upper side and the lower side. Further, the region opposite to the filtering main body on the carrier plate is provided with a through hole, the inner cage comprises an upper fixing seat, a lower fixing seat positioned below the upper fixing seat and a cage body arranged between the upper fixing seat and the lower fixing seat, and the upper fixing seat and the movable slip ring are positioned in the through hole. Further, the driving mechanism comprises a pressing frame, the movable slip ring is fixed on the pressing frame, the top of the shell is provided with a pressure cylinder, and a piston rod of the pressure cylinder is fixedly connected with the pressing frame. Further, a corrugated pipe is arranged between the lower end of the filtering main body and the filtered liquid discharging assembly, inclined grooves are formed in the region, opposite to each filtering main body, of the carrier plate, the inclined grooves are different in inclination, four inclined groove quadruple shafts in the four regions of the carrier plate are symmetrical, sliding blocks capable of sliding along the inclined grooves are arranged at the upper end of the filtering main body, when the sliding blocks move towards