Centrifuge drum structure

Abstract

The utility model provides a centrifuge drum structure, and belongs to the technical field of centrifuges. The centrifuge drum structure includes a bottom support portion and a filter assembly. The bottom supporting part comprises a base plate, and a discharging opening is formed in the base plate; the filtering assembly comprises a coarse filtering cylinder and a fine filtering cylinder, the coarse filtering cylinder is located in the fine filtering cylinder, a first annular plate is arranged at the bottom of the coarse filtering cylinder and detachably fixed to the base plate through a first fixing bolt, and a second annular plate is arranged at the bottom of the fine filtering cylinder and detachably fixed to the base plate through a second fixing bolt. And the coarse filter cylinder and the fine filter cylinder are arranged to separate and filter the feed liquid in a grading manner. The feed liquid is coarsely filtered by the coarse filter cartridge and then finely filtered by the fine filter cartridge, so that the condition of blockage of the filter cartridge is reduced by a graded filtration mode, and the centrifugal filtration quality and speed of the feed liquid can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifuges, in particular to a centrifuge drum structure. Background Art

[0002] Centrifuges are commonly used equipment in laboratories and industrial production. They use the centrifugal force generated by high-speed rotation to separate components of different densities in samples. The holes in the side walls of the drum in the centrifuge cannot be used for graded filtration during centrifugal filtration. For example, a centrifuge drum is disclosed in a public document with announcement number CN208599962U, comprising: a cylindrical drum, which is open at the top and bottom to form an upper opening and a lower opening located at the top and bottom, respectively; a top cover, which is connected to the upper opening and includes a feed port for feeding; and a drum chassis, which is connected to the lower opening. The above-mentioned drum adopts a single-layer drum setting, which cannot achieve graded centrifugal filtration to improve filtration quality and speed. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides a centrifuge drum structure, which aims to improve the problem that the drum in the related art adopts a single-layer drum setting and cannot achieve graded centrifugal filtration to improve the filtration quality and speed.

[0004] The utility model is achieved in this way:

[0005] The utility model provides a centrifuge drum structure, which comprises a bottom supporting part and a filtering component.

[0006] The bottom support part comprises a bottom plate, and the bottom plate is provided with a discharge port;

[0007] The filter assembly includes a coarse filter cartridge and a fine filter cartridge. The coarse filter cartridge is located inside the fine filter cartridge. A first ring plate is provided at the bottom of the coarse filter cartridge, and the first ring plate is detachably fixed to the chassis via a first fixing bolt. A second ring plate is provided at the bottom of the fine filter cartridge, and the second ring plate is detachably fixed to the chassis via a second fixing bolt.

[0008] In an embodiment of the utility model, a first pressure plate is arranged above the first ring plate, and the first fixing bolt connects the chassis, the first ring plate and the first pressure plate.

[0009] In an embodiment of the present utility model, a second pressure plate is arranged above the second ring plate, and the second fixing bolts connect the chassis, the second ring plate and the second pressure plate.

[0010] In an embodiment of the present utility model, a clamping block is disposed at the bottom of each of the first pressing plate and the second pressing plate, and a clamping groove matched with the clamping block is disposed on the upper surface of the chassis.

[0011] In an embodiment of the present invention, the two discharge ports are respectively disposed through the first pressing plate and the second pressing plate.

[0012] In an embodiment of the present invention, the upper surface of the chassis is provided with positioning grooves matching with the first ring plate and the second ring plate respectively.

[0013] In one embodiment of the present utility model, the filter assembly further comprises a first baffle plate of an annular structure, and the first baffle plate is fixed on the top of the coarse filter cartridge.

[0014] In one embodiment of the present invention, the filter assembly further comprises a second baffle plate of an annular structure, and the second baffle plate is fixed on the top of the fine filter cartridge.

[0015] The beneficial effect of the utility model is as follows: the utility model obtains a centrifuge drum structure through the above design, and adopts the setting of a coarse filter cartridge and a fine filter cartridge to perform graded separation and filtration of the feed liquid. After the feed liquid is coarsely filtered by the coarse filter cartridge, it is finely filtered by the fine filter cartridge. The graded filtration method reduces the clogging of the filter cartridge and can improve the quality and speed of centrifugal filtration of the feed liquid. The coarse filter cartridge and the fine filter cartridge are detachably fixed to the chassis by the first fixing bolt and the second fixing bolt respectively. The coarse filter cartridge and the fine filter cartridge are replaced according to the needs, that is, according to the use requirements, the filter cartridges of different pore sizes can be conveniently replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the centrifuge drum structure provided by the embodiment of the utility model;

[0018] Figure 2 A schematic diagram of the structure of the chassis, the first pressing plate and the second pressing plate provided in an embodiment of the utility model;

[0019] Figure 3 A schematic diagram of the vertical cross-sectional structure of a centrifuge drum provided in an embodiment of the utility model;

[0020] Figure 4 The utility model embodiment provides Figure 3 Schematic diagram of the partially enlarged structure of part A.

[0021] In the figure: 10-bottom supporting part; 110-chassis; 120-discharging port; 160-card slot; 20-filter assembly; 210-coarse filter cartridge; 211-first baffle plate; 220-fine filter cartridge; 221-second baffle plate; 230-first ring plate; 240-second ring plate; 250-first fixing bolt; 260-second fixing bolt; 270-first pressure plate; 280-second pressure plate; 290-card block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-Figure 4 The utility model provides a centrifuge drum structure, including a bottom supporting part 10 and a filter assembly 20.

[0025] The bottom support portion 10 is used for detachably installing the filter assembly 20, and the double-layer filter cartridge can filter the feed liquid in stages, thereby improving the quality and speed of the feed liquid filtration.

[0026] See also Figure 1-Figure 4 The bottom support part 10 includes a bottom plate 110, and a discharge port 120 is provided on the bottom plate 110. The filter assembly 20 includes a coarse filter cartridge 210 and a fine filter cartridge 220. The coarse filter cartridge 210 is located inside the fine filter cartridge 220, and a first ring plate 230 is provided at the bottom of the coarse filter cartridge 210, and the first ring plate 230 is detachably fixed to the bottom plate 110 by a first fixing bolt 250, and a second ring plate 240 is provided at the bottom of the fine filter cartridge 220, and the second ring plate 240 is detachably fixed to the bottom plate 110 by a second fixing bolt 260.

[0027] The centrifuge drum structure adopts the setting of a coarse filter cartridge 210 and a fine filter cartridge 220 to perform graded separation and filtration of the feed liquid. After the feed liquid is coarsely filtered by the coarse filter cartridge 210, it is finely filtered by the fine filter cartridge 220. The graded filtration method reduces the clogging of the filter cartridge and can improve the quality and speed of centrifugal filtration of the feed liquid. The coarse filter cartridge 210 and the fine filter cartridge 220 are detachably fixed and installed on the chassis 110 by a first fixing bolt 250 and a second fixing bolt 260 respectively. The coarse filter cartridge 210 and the fine filter cartridge 220 are replaced as needed, that is, filter cartridges of different pore sizes can be conveniently replaced according to usage requirements.

[0028] In the above specific implementation, please refer to Figure 2-Figure 4 A first pressing plate 270 is disposed above the first ring plate 230, and a first fixing bolt 250 connects the chassis 110, the first ring plate 230, and the first pressing plate 270. The first pressing plate 270 cooperates with the first ring plate 230 to press and fix the coarse filter cartridge 210. A second pressing plate 280 is disposed above the second ring plate 240, and a second fixing bolt 260 connects the chassis 110, the second ring plate 240, and the second pressing plate 280. The second pressing plate 280 cooperates with the second ring plate 240 to press and fix the fine filter cartridge 220.

[0029] For further information, see Figure 4 The first pressing plate 270 and the second pressing plate 280 are both provided with a block 290 at the bottom, and the upper surface of the chassis 110 is provided with a slot 160 that matches the block 290, and the two discharge ports 120 are respectively provided through the first pressing plate 270 and the second pressing plate 280. The setting of the slot 160 and the block 290 is used to position and install the first pressing plate 270 and the second pressing plate 280. The discharge ports 120 on the first pressing plate 270 and the second pressing plate 280 correspond to the discharge ports 120 on the chassis 110.

[0030] Specifically, the upper surface of the chassis 110 is provided with positioning grooves that match the first ring plate 230 and the second ring plate 240. The positioning grooves are used to position and install the first ring plate 230 and the second ring plate 240.

[0031] For specific settings, see Figure 3 The filter assembly 20 further includes a first baffle 211 of an annular structure, which is fixed to the top of the coarse filter cartridge 210. The filter assembly 20 further includes a second baffle 221 of an annular structure, which is fixed to the top of the fine filter cartridge 220. The first baffle 211 and the second baffle 221 are provided to prevent the liquid inside the filter cartridge from splashing out during centrifugation.

[0032] The working principle of the centrifuge drum structure: When in use, the centrifuge drum structure adopts the setting of a coarse filter cartridge 210 and a fine filter cartridge 220 to perform graded separation and filtration of the feed liquid. After the feed liquid is coarsely filtered by the coarse filter cartridge 210, it is finely filtered by the fine filter cartridge 220. The graded filtration method reduces the clogging of the filter cartridge and can improve the quality and speed of centrifugal filtration of the feed liquid. The coarse filter cartridge 210 and the fine filter cartridge 220 are detachably fixed to the chassis 110 using a first fixing bolt 250 and a second fixing bolt 260, respectively. The coarse filter cartridge 210 and the fine filter cartridge 220 are replaced as needed, that is, filter cartridges of different pore sizes can be conveniently replaced according to usage requirements.

[0033] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A centrifuge drum structure, It is characterized in that include A bottom support part (10), the bottom support part (10) comprising a bottom plate (110), and a discharge port (120) is provided on the bottom plate (110); A filter assembly (20), the filter assembly (20) comprising a coarse filter cartridge (210) and a fine filter cartridge (220), the coarse filter cartridge (210) being located inside the fine filter cartridge (220), a first ring plate (230) being provided at the bottom of the coarse filter cartridge (210), the first ring plate (230) being detachably fixed to the chassis (110) via a first fixing bolt (250), and a second ring plate (240) being provided at the bottom of the fine filter cartridge (220), the second ring plate (240) being detachably fixed to the chassis (110) via a second fixing bolt (260).

2. A centrifuge drum structure according to claim 1, It is characterized in that A first pressure plate (270) is disposed above the first ring plate (230), and the first fixing bolt (250) connects the chassis (110), the first ring plate (230) and the first pressure plate (270).

3. A centrifuge drum structure according to claim 2, It is characterized in that A second pressing plate (280) is disposed above the second ring plate (240), and the second fixing bolts (260) connect the chassis (110), the second ring plate (240) and the second pressing plate (280).

4. A centrifuge drum structure according to claim 3, It is characterized in that A clamping block (290) is disposed at the bottom of each of the first pressing plate (270) and the second pressing plate (280), and a clamping slot (160) matching with the clamping block (290) is disposed on the upper surface of the chassis (110).

5. A centrifuge drum structure according to claim 3, It is characterized in that The two discharge ports (120) are respectively arranged to penetrate the first pressing plate (270) and the second pressing plate (280).

6. A centrifuge drum structure according to claim 1, It is characterized in that The upper surface of the chassis (110) is provided with positioning grooves respectively matched with the first ring plate (230) and the second ring plate (240).

7. A centrifuge drum structure according to claim 1, It is characterized in that The filter assembly (20) further comprises a first baffle plate (211) of an annular structure, wherein the first baffle plate (211) is fixed on the top of the coarse filter cartridge (210).

8. A centrifuge drum structure according to claim 1, It is characterized in that The filter assembly (20) further comprises a second baffle plate (221) of an annular structure, wherein the second baffle plate (221) is fixed on the top of the fine filter cartridge (220).

Images