CN219272396U - Chromatographic device with filtering structure - Google Patents

Abstract

The utility model relates to the technical field of chromatographic devices, and aims to solve the problems that precious fillers are easy to be polluted and blockage is caused when concentrated solution containing material residues is directly connected to a chromatographic column; the utility model provides a chromatographic device with a filtering structure, comprising: the chromatographic column pre-filters the head, feed pipe, and filters the box body; the top of the chromatographic column prefilter head is provided with an opening and a first fixing seat; the end part of the filter box body, which is provided with a plurality of filter holes, is an embedded part, and the embedded part penetrates through the opening and is embedded into the inner cavity of the chromatographic column prefilter head; the end part of the filter box body penetrating out of the chromatographic column prefilter head is a fixed part, and a second fixed seat detachably connected with the first fixed seat is arranged on the outer side wall of the fixed part; the feed pipe is communicated with the filter box body. The chromatographic device provided by the utility model adopts the filter box body which is detachably connected with the chromatographic column prefilter head, thereby not only facilitating the filtration treatment of the extraction concentrated solution containing large block slag before entering the chromatographic column to prevent blockage, but also facilitating the centralized treatment of the slag.

Description

Chromatographic device with filtering structure

Technical Field

The utility model relates to the technical field of chromatographic devices, in particular to a chromatographic device with a filtering structure.

Background

The principle of chromatography is to separate and extract the multicomponent mixture by utilizing the different physical properties of each component; in order to improve the production efficiency, the adopted chromatographic device is large, the feed liquid before chromatography is usually concentrated feed liquid after pretreatment such as extraction, concentration and the like, however, for some plants (such as medicinal plants) containing fibers, slag still exists after the concentrated feed liquid is prepared, and then the blockage is easily caused when the concentrated feed liquid is subjected to mass chromatography, so that the blockage in the chromatographic process is caused, and the chromatographic extraction efficiency is further influenced.

In the prior art, a filtering structure is arranged at the bottom of a chromatographic column, such as a CBD separation and purification chromatographic device in industrial hemp disclosed in CN215049777U, wherein a filter screen is arranged in the position of a discharge hole at the bottom of a tank body; however, the built-in filter structure is inconvenient to clean and treat the slag, and causes blockage to be inconvenient to treat.

Based on the foregoing, there is a strong need for a chromatography apparatus having a filter structure that facilitates the filtration of a concentrated feed solution prior to chromatography.

Disclosure of Invention

The utility model aims to provide a chromatographic device with a filtering structure, and aims to solve the technical problems that precious fillers are easy to be polluted or blocked by directly connecting concentrated solution containing slag to a chromatographic column, and the slag is inconvenient to process after filtering.

The embodiment of the utility model is realized by the following technical scheme:

a chromatography device provided with a filter structure, comprising:

the chromatographic column pre-filters the head, feed pipe, and filters the box body;

the top of the chromatographic column prefilter head is provided with an opening and a first fixing seat;

the end part of the filter box body, which is provided with a plurality of filter holes, is an embedded part, and the embedded part penetrates through the opening and is embedded into the inner cavity of the chromatographic column prefilter head;

the end part of the filter box body penetrating out of the chromatographic column prefilter head is a fixed part, and a second fixed seat detachably connected with the first fixed seat is arranged on the outer side wall of the fixed part;

the feed pipe is communicated with the filter box body.

Preferably, the chromatographic column prefilter head comprises a liquid inlet part; the liquid inlet part is close to the filter hole; and a liquid separator is arranged in the liquid inlet part.

Preferably, the liquid inlet end of the liquid separator is communicated with the filtering hole; the liquid outlet end of the liquid separator is communicated with the chromatographic part of the chromatographic column.

Preferably, the liquid outlet end of the liquid distributor is provided with a plurality of shunt tubes, and the shunt tubes are communicated with the chromatographic part.

Preferably, the first fixing seat is in threaded connection with the second fixing seat.

Preferably, the end of the filter box body away from the embedded part is provided with a pair of lifting rods.

Preferably, a constant temperature device is communicated between the feeding pipe and the filtering box body.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

the chromatographic device provided by the utility model adopts the filter box body detachably connected with the chromatographic column prefilter head, so that not only is the filtration treatment convenient for preventing blockage of the extraction concentrated solution containing large lump materials slag before entering the chromatographic column prefilter head, but also the centralized treatment of the materials slag is convenient; the filtering part of the filtering box body is embedded into the chromatographic column prefilter head, so that the stability and the tightness of filtering material slag are ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a chromatographic apparatus provided with a filter structure in accordance with the utility model;

fig. 2 is an enlarged view of the partial structure a in fig. 1.

Icon: the chromatographic column pre-filtering head comprises a 1-chromatographic column pre-filtering head body, a 11-opening, a 12-liquid inlet part, a 13-chromatographic part, a 2-feeding pipe, a 3-filtering box body, a 31-filtering hole, a 32-embedded part, a 33-fixed part, a 4-first fixing seat, a 5-second fixing seat, a 6-liquid dispenser, a 61-shunt pipe, a 7-lifting rod, an 8-constant temperature device and a 9-washing liquid inlet pipe.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which a product of the application is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1 and 2, the present utility model provides the following technical solutions: a chromatographic device with a filtering structure is suitable for chromatographic conditions of feed liquid containing slag.

Specifically, as shown in fig. 1 and 2, a chromatography device provided with a filter structure includes: a chromatographic column prefilter head 1, a feed pipe 2 and a filter box body 3; an opening 11 and a first fixing seat 4 are arranged at the top of the chromatographic column prefilter head 1; the end part of the filter box body 3 provided with a plurality of filter holes 31 is an embedded part 32, and the embedded part 32 penetrates through the opening 11 and is embedded into the inner cavity of the chromatographic column prefilter head 1; the end part of the filter box body 3 penetrating out of the chromatographic column prefilter head 1 is a fixed part 33, and a second fixed seat 5 detachably connected with the first fixed seat 4 is arranged on the outer side wall of the fixed part 33; the feed pipe 2 is communicated with the filter box body 3.

The liquid discharged from the feed pipe 2 can be filtered through the filter box body 3, and then the filtered filtrate is introduced into the chromatographic column prefilter head 1; wherein, the filtering box body 3 is adopted to filter for a long time, and is convenient for collecting and intensively processing the slag;

the embedding part 32 penetrates through the opening 11 and is embedded into the inner cavity of the chromatographic column prefilter head 1, so that the filter box body 3 can be stably fixed; the feed liquid discharged from the feed pipe 2 can be filtered through the filter holes 31;

through first fixing base 4 with second fixing base 5 can dismantle the connection, and then realize filter box body 3 with chromatographic column prefilter head 1 can dismantle the connection, and then be convenient for with filter box body 3 dismantle cleanly, thereby realize labour saving and time saving handles the material sediment of accumulating in the filter box body 3.

In this embodiment, according to different granularity of the slag contained in different feed liquids, filter paper, a filter screen, etc. may be further placed in the filter box 3.

Specifically, as shown in fig. 1 and 2, the chromatographic column prefilter head 1 includes a liquid inlet portion 12; the liquid inlet part 12 is close to the filter hole 31; the liquid inlet part 12 is internally provided with a liquid separator 6.

The liquid filtered by the filter box body 3 is split by the liquid separator 6 and then is subjected to chromatography.

Specifically, as shown in fig. 2, the liquid inlet end of the liquid separator 6 is communicated with the filtering hole 31; the liquid outlet end of the liquid separator 6 is communicated with a chromatographic part 13 of the chromatographic column.

Specifically, as shown in fig. 2, the liquid outlet end of the liquid dispenser 6 is provided with a plurality of shunt tubes 61, and the shunt tubes 61 are in communication with the chromatographic part 13.

The plurality of the shunt tubes 61 facilitate the filtered feed liquid to uniformly flow into the chromatographic section 13.

Specifically, as shown in fig. 2, the first fixing base 4 is screwed with the second fixing base 5.

The first fixing seat 4 is in threaded connection with the second fixing seat 5, so that the filter box body 3 is detachably connected with the chromatographic column prefilter head 1.

In this embodiment, the filter box 3 and the chromatographic column prefilter head 1 may be detachably connected by using a snap fastener, a buckle, or the like; in order to ensure the tightness of the chromatographic column pre-filtering head 1 after the filtering box body 3 is embedded into the chromatographic column pre-filtering head 1, the first fixing seat 4 can be an annular fixing seat, and the bottom of the annular fixing seat is provided with a high-temperature-resistant and corrosion-resistant sealing rubber layer.

Specifically, as shown in fig. 1 and 2, the end of the filter cartridge 3 remote from the insertion portion 32 is provided with a pair of levers 7.

The filter cartridge 3 is conveniently lifted for cleaning and installation by a pair of lifting rods 7.

Specifically, as shown in fig. 1 and 2, a thermostat 8 is connected between the feed pipe 2 and the filter box 3.

The constant temperature device 8 is convenient for processing the feed liquid before entering the filter box body 3 at constant temperature, so that the stability of the feed liquid during chromatographic separation is ensured, and the damage to the chromatographic column caused by overhigh temperature of the feed liquid during the chromatographic separation can be avoided.

In this embodiment, the thermostat 8 is an electric thermostat.

In this embodiment, the passage of chromatographic wash solution is facilitated by the wash solution inlet tube 9.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a chromatographic device with filtration, includes chromatographic column prefilter head (1) and inlet pipe (2), its characterized in that: the filter box also comprises a filter box body (3);

an opening (11) and a first fixing seat (4) are arranged at the top of the chromatographic column prefilter head (1);

the end part of the filter box body (3) provided with a plurality of filter holes (31) is an embedded part (32), and the embedded part (32) penetrates through the opening (11) and is embedded into the inner cavity of the chromatographic column prefilter head (1);

the end part of the filter box body (3) penetrating out of the chromatographic column prefilter head (1) is a fixing part (33), and a second fixing seat (5) detachably connected with the first fixing seat (4) is arranged on the outer side wall of the fixing part (33);

the feed pipe (2) is communicated with the filter box body (3).

2. The chromatography device provided with a filter structure according to claim 1, wherein: the chromatographic column prefilter head (1) comprises a liquid inlet part (12); the liquid inlet part (12) is close to the filter hole (31); a liquid separator (6) is arranged in the liquid inlet part (12).

3. The chromatography device provided with a filter structure according to claim 2, wherein: the liquid inlet end of the liquid separator (6) is communicated with the filtering hole (31); the liquid outlet end of the liquid separator (6) is communicated with a chromatographic part (13) of the chromatographic column prefilter head (1).

4. A chromatography device provided with a filter structure according to claim 3, wherein: the liquid outlet end of the liquid distributor (6) is provided with a plurality of shunt tubes (61), and the shunt tubes (61) are communicated with the chromatographic part (13).

5. Chromatographic apparatus with filtering structure as claimed in claim 1 or 2, characterized in that: the first fixing seat (4) is in threaded connection with the second fixing seat (5).

6. The chromatography device provided with a filter structure according to claim 5, wherein: the end of the filter box body (3) far away from the embedded part (32) is provided with a pair of lifting rods (7).

7. The chromatography device provided with a filter structure according to claim 6, wherein: a constant temperature device (8) is communicated between the feeding pipe (2) and the filtering box body (3).

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