Sugar mill mixed juice filtration system

Abstract

The utility model belongs to sugar making process technical field. The utility model provides a kind of sugar making squeezing mixed juice filtering system, including squeezer, screw conveyor, juice collecting tank and several gravity curved sieve groups, the screw conveyor is connected the squeezer and extends to the direction away from the squeezer and is set, several the gravity curved sieve groups are distributed in the both sides of the screw conveyor and are connected the screw conveyor, several the gravity curved sieve groups are connected with the squeezer;The juice collecting tank is connected with several the gravity curved sieve groups. The utility model can avoid fine squeezing juice to flow back to the production process of squeezer.

Description

Technical Field

[0001] This utility model relates to the field of sugar production technology, specifically to a sugar pressing and mixing juice filtration system. Background Technology

[0002] Currently, in the sugar mill's pressing process, the pressed juice is first initially filtered through a drum screen, and then further finely filtered using a high-frequency vibrating screen to remove most of the bagasse and sugarcane bran. However, the following problems have arisen in the production and use of high-frequency vibrating screens in recent years: 1. During the screening process, the bagasse produced by the high-frequency vibrating screen often cannot be smoothly conveyed out, which directly leads to a decrease in the screening capacity of the high-frequency vibrating screen, and some of the mixed juice flows back from the screen surface to the production process of the press. 2. After several years of use, even with extensive maintenance, the support frame of the high-frequency vibrating screen is prone to cracking during use, resulting in a high failure rate and a large amount of maintenance work. 3. Frequent breakage of the high-frequency vibrating screen support frame caused damage to the screen mesh, resulting in a large amount of bagasse leaking into the refining and clarification section, affecting normal refining production. Summary of the Invention

[0003] The present invention aims to solve one of the technical problems mentioned above by providing a sugar pressing mixed juice filtration system that can prevent finely pressed juice from flowing back into the production process of the press.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A sugar pressing and filtration system includes a press, a screw conveyor, a juice collection tank, and several gravity curved screens. The screw conveyor is connected to the press and extends away from the press. The several gravity curved screens are distributed on both sides of the screw conveyor and connected to it. Each of the gravity curved screens is connected to the press. The juice collection tank is connected to each of the gravity curved screens.

[0005] Furthermore, the gravity curved screen assembly includes a buffer tank and a gravity curved screen, the buffer tank being connected to the press, and the gravity curved screen being connected to the buffer tank; the gravity curved screen is connected to the screw conveyor and the juice collection tank.

[0006] Furthermore, the gravity curved screen is connected to the screw conveyor via a slag guide hopper.

[0007] Furthermore, a maintenance platform is installed on the screw conveyor.

[0008] Furthermore, the maintenance platform is equipped with a hot water disinfection spray pipe corresponding to the gravity curved screen.

[0009] Furthermore, it also includes a backup high-frequency vibrating screen, which is connected to the press and the juice collection tank via a pipeline, and the pipeline is equipped with a valve.

[0010] By adopting the above technical solution, this utility model has the following beneficial effects: 1. In the aforementioned sugarcane pressing and filtration system, the press is used to press sugarcane to obtain pressed juice and bagasse. The bagasse falls into a screw conveyor and is transported out of the system. The pressed juice mainly enters a gravity curved screen group for filtration to obtain finely pressed juice and fine residue. Based on the structure and working principle of the gravity curved screen group, the finely pressed juice and fine residue can be separated. The fine residue falls into the screw conveyor and is transported out of the system, while the finely pressed juice is transported to a collection tank for downstream production. Therefore, this invention can prevent the finely pressed juice from flowing back into the press's production process. Furthermore, based on the structure and working principle of the gravity curved screen group, there are no problems caused by vibration.

[0011] 2. Replacing the high-frequency vibrating screen with a gravity curved screen can also have a positive impact on the equipment and processes used in refining and clarification: (1) Effectively prevents the blockage problem of the refining plate heater, extends the service life of the equipment, improves the efficiency of heating and mixing juice, and thus saves steam consumption; (2) Reducing the amount of filter mud also reduces the sugar carried away from the filter mud, which helps to improve sugar recovery; (3) Improve the effect of rapid sedimentation, thereby improving the cleaning efficiency, which creates favorable conditions for further improving the sugar yield; (4) The use of gravity curved screens can also optimize the overall layout of the pressing workshop and reduce sugar loss caused by repeated processing of juice in the process; In conclusion, replacing the high-frequency vibrating screen with a gravity curved screen significantly reduces equipment operating and maintenance costs, creates favorable conditions for the next process, and helps improve the overall efficiency of the sugar factory. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of a sugar pressing and filtration system.

[0013] Figure 2 This is a schematic diagram of the installation structure of the maintenance platform.

[0014] In the attached diagram, 1-presser, 2-screw conveyor, 21-frame, 3-juice collection box, 4-gravity curved screen group, 41-buffer box, 42-gravity curved screen, 5-slag guide hopper, 6-maintenance platform, 61-enclosure rod, 7-hot water disinfection spray pipe, 8-high frequency vibrating screen, 9-valve, 10-pipeline. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0016] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0018] like Figure 1 and Figure 2 As shown, a preferred embodiment of this utility model provides a sugar pressing and mixing juice filtration system, including a press 1, a screw conveyor 2, a juice collection tank 3, and several gravity curved screen groups 4. The screw conveyor 2 is connected to the press 1 and extends away from the press 1. Both the screw conveyor and the press 1 are commonly used production equipment in the art, and their functions and principles will not be elaborated here. Several gravity curved screen groups 4 are distributed on both sides of the screw conveyor 2 and connected to it. Specifically, there are three gravity curved screen groups 4, with two groups located on the same side of the screw conveyor 2 and the other group located on the other side. All gravity curved screen groups 4 are connected to the press 1. The juice collection tank 3 is connected to all gravity curved screen groups 4.

[0019] In the aforementioned sugar pressing and filtration system, the press 1 is used to press sugarcane to obtain pressed juice and bagasse. The bagasse falls into the screw conveyor 2 and is transported out of the system. The pressed juice mainly enters the gravity curved screen group 4 for filtration to obtain finely pressed juice and fine residue. Based on the structure and working principle of the gravity curved screen group 4, the finely pressed juice and fine residue can be separated. The fine residue falls into the screw conveyor 2 and is transported out of the system, while the finely pressed juice is transported to the juice collection tank 3 for downstream production. Therefore, this invention can prevent the finely pressed juice from flowing back into the production process of the press 1. Furthermore, based on the structure and working principle of the gravity curved screen group 4, there are no problems caused by vibration.

[0020] In this embodiment, the gravity curved screen assembly 4 includes a buffer tank 41 and a gravity curved screen 42. The buffer tank 41 is connected to the press 1 via a conveying pipe equipped with a valve, through which the pressed mixed juice is conveyed to the buffer tank 41. The gravity curved screen 42 is a commonly used production device in the art, and its structure and principle will not be described in detail here. The gravity curved screen 42 is connected to the buffer tank 41. Specifically, the buffer tank 41 is bolted to the top of the gravity curved screen 42 and communicates with the feed inlet of the gravity curved screen 42. The buffer tank 41 is used to temporarily store the pressed mixed juice conveyed from the press 1 to adapt to the operating rhythm of the gravity curved screen 42. In addition, the buffer tank 41 is bolted to the gravity curved screen 42, allowing the buffer tank 41 to be detached from the gravity curved screen 42 during equipment installation or maintenance, facilitating disassembly, assembly, or maintenance. The gravity curved screen 42 is connected to the screw conveyor 2 and the juice collection box 3. Specifically, the gravity curved screen 42 and the screw conveyor 2 are connected through a slag guide hopper 5, which is used to guide fine slag into the screw conveyor 2. The juice outlet of the gravity curved screen 42 is connected to the juice collection box 3 through a conveying pipe. The conveying pipe is equipped with a valve, and the finely pressed juice obtained by the gravity curved screen 42 can be conveyed to the juice collection box 3 through the conveying pipe for downstream processing.

[0021] In this embodiment, a maintenance platform 6 is mounted on the screw conveyor 2. Specifically, a frame 21 is welded to the frame of the screw conveyor 2, and the maintenance platform 6 is welded to the frame 21 and extends along both sides of the frame of the screw conveyor 2. The maintenance platform 6 facilitates the maintenance of the buffer box 41 and the gravity curved screen 42.

[0022] In this embodiment, the maintenance platform 6 is equipped with hot water disinfection spray pipes 7 corresponding to the gravity curved screen 42. Specifically, the maintenance platform 6 has surrounding rods 61 welded to opposite sides, extending in a direction perpendicular to the maintenance platform 6. Several hot water disinfection spray pipes 7 are provided, each corresponding to the gravity curved screen 42 and welded at intervals along the length of the surrounding rods 61. The hot water disinfection spray pipes 7 are connected to a hot water source for spraying hot water to disinfect and clean the gravity curved screen assembly 4.

[0023] In this embodiment, the sugar pressing and mixing juice filtration system further includes a backup high-frequency vibrating screen 8. The backup high-frequency vibrating screen 8 is a conventional high-frequency vibrating screen, commonly used in the field, and its structure and principle will not be described in detail here. The backup high-frequency vibrating screen 8 is connected to the press 1 and the juice collection tank 3 via a pipeline 10, on which a valve 9 is installed. When the gravity curved screen group 4 undergoes a complete overhaul, the producer can activate the backup high-frequency vibrating screen 8 for production.

[0024] The above description is a detailed description of the preferred embodiments of the present utility model. However, the embodiments are not intended to limit the scope of the patent application of the present utility model. All equivalent changes or modifications made under the technical spirit of the present utility model should fall within the patent scope covered by the present utility model.

Claims

1. A sugar pressing and mixing juice filtration system, characterized in that: The system includes a press (1), a screw conveyor (2), a juice collection tank (3), and several gravity curved screen groups (4). The screw conveyor (2) is connected to the press (1) and extends away from the press (1). Several gravity curved screen groups (4) are distributed on both sides of the screw conveyor (2) and connected to the screw conveyor (2). Several gravity curved screen groups (4) are all connected to the press (1). The juice collection tank (3) is connected to several gravity curved screen groups (4).

2. The sugar pressing and mixing juice filtration system as described in claim 1, characterized in that: The gravity curved screen assembly (4) includes a buffer box (41) and a gravity curved screen (42). The buffer box (41) is connected to the press (1), and the gravity curved screen (42) is connected to the buffer box (41). The gravity curved screen (42) is connected to the screw conveyor (2) and the juice collection box (3).

3. The sugar pressing and mixing juice filtration system as described in claim 2, characterized in that: The gravity curved screen (42) is connected to the screw conveyor (2) via a slag guide hopper (5).

4. The sugar pressing and mixing juice filtration system as described in claim 1, characterized in that: The screw conveyor (2) is equipped with a maintenance platform (6).

5. The sugar pressing and mixing juice filtration system as described in claim 4, characterized in that: The maintenance platform (6) is equipped with a hot water disinfection spray pipe (7) corresponding to the gravity curved screen group (4).

6. The sugar pressing and mixing juice filtration system as described in claim 1, characterized in that: It also includes a spare high-frequency vibrating screen (8), which is connected to the press (1) and the juice collection tank (3) through a pipeline (10), and a valve (9) is installed on the pipeline (10).

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