CN213132101U

CN213132101U - Sample pretreatment automatic filtration purifier

Info

Publication number: CN213132101U
Application number: CN202021735531.2U
Authority: CN
Inventors: 陈倩娟
Original assignee: Rid Testing Technology Tianjin Co ltd
Current assignee: Rid Testing Technology Tianjin Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-07
Anticipated expiration: 2030-08-19

Abstract

The utility model provides a sample pretreatment automatic filtration purifier, its characterized in that includes the cylinder, the cartridge filter, the stripper plate, the depression bar, the utility model discloses an application principle is through utilizing the inside atmospheric pressure of cartridge filter to utilize the cylinder to drive the depression bar, make the stripper plate with compression linkage can be inside the cartridge filter and be reciprocal linear motion, and simultaneously, utilize the pressure that this stripper plate formed at the extruded in-process to exert pressure to the sample that is in on the filter screen, thereby make the sample can pass the mesh department of filter screen under this highly compressed effect fast, wherein impurity between sample and the sample will be intercepted on the filter screen because its cross sectional area is greater than the mesh of filter screen, thereby produced the effect of quick filtration purification to the sample to a certain extent, this is for prior art, not only filter speed is fast, and more high-efficient, Is practical.

Description

Sample pretreatment automatic filtration purifier

Technical Field

The utility model relates to a sample pretreatment filtration purification technical field especially relates to a sample pretreatment automatic filtration purification device.

Background

With the development of instrument analysis technology, more and more detection items in various industries can be detected and analyzed through devices such as chromatography, mass spectrometry, spectroscopy and the like, but the purification work of samples before analysis is very important for data accuracy and device performance indexes, the traditional purification mode is that a 0.22 mu m or 0.45 mu m filter is adopted manually to filter the samples, the filtering mode cannot carry out batch type filtering on the samples, and the filtering speed is slow, namely, the filtering mode has low efficiency, and not only does the filtering mode have a certain threat to the health of operators due to improper operation.

Disclosure of Invention

According to the technical problem, the utility model provides an automatic filtration and purification device for sample pretreatment, which is characterized by comprising a bracket, a cylinder, a filter cartridge, an extrusion plate and a compression bar, wherein the filter cartridge is arranged on the inner side of the bracket;

the bottom of the filter cylinder is provided with a discharge hole; a clamping groove is formed in the inner side wall of the filter cylinder, and the clamping groove is of an annular structure; a filter screen is arranged at the clamping groove; a feed inlet is formed in the left side wall of the filter cylinder, one end of a feed pipe is connected to the feed inlet, and the other end of the feed pipe is funnel-shaped; a feed valve is arranged on the feed pipe;

the cross section of the lower end of the filter cylinder is of a conical structure; the lower extreme welding of cartridge filter has the support, the space department that support and cartridge filter lower extreme formed is provided with the collection frame, collect the frame and set up under the discharge gate that the cartridge filter bottom was seted up.

The utility model has the advantages that:

the utility model discloses an application principle is through utilizing the inside atmospheric pressure of cartridge filter to utilize the cylinder to drive the depression bar, make the stripper plate of being connected with the depression bar can be in the inside reciprocal linear motion of cartridge filter, simultaneously, utilize the pressure that this stripper plate formed in the extruded in-process to exert pressure to the sample that is in on the filter screen, thereby make the sample can pass the mesh department of filter screen fast under the effect of this high pressure, wherein the impurity between sample and the sample will be intercepted on the filter screen because its cross sectional area is greater than the mesh of filter screen, thereby produced the effect of quick filtration purification to the sample to a certain extent, this is compared with prior art, not only filter speed is fast, and more high-efficient, practical;

moreover, the utility model can effectively realize the batch type filtration of the samples by utilizing the air pressure pressurization mode, namely, the efficiency of the sample filtration and purification treatment is further accelerated to a certain extent, thereby further improving the practicability of the application to a certain extent;

moreover, the utility model effectively avoids manual operation by applying pressure to the extrusion plate by using the cylinder, i.e. the sample is filtered without manual operation by manpower, and only the sample to be filtered and purified is added into the filter cylinder by the feed pipeline, so that the phenomenon of threatening the personal safety of operators due to improper operation can not occur in the operation process;

and, in order to guarantee that the inside atmospheric pressure of cartridge filter is good, for the normal availability factor who has guaranteed the cartridge filter, this application is through increasing the feed valve on the inlet pipe to make the manual work carry out batch formula to cartridge filter inside and add the sample after, promptly, add the back that finishes at every turn, all need in time close this feed valve, thereby make the inside atmospheric pressure of this cartridge filter can not receive the influence, namely, can effectively guarantee the normal availability factor of cartridge filter.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a detailed structure of the slot of the present invention.

As shown in the figure: 1-bracket, 2-cylinder, 21-telescopic rod, 3-filter cartridge, 31-discharge port, 32-feed port, 33-clamping groove, 4-bracket, 5-collection frame, 6-compression bar, 61-extrusion plate, 7-filter screen, 8-feed pipe and 81-feed valve.

Detailed Description

Example 1

The utility model provides an automatic filtering and purifying device for sample pretreatment, which is characterized by comprising a bracket 1, a cylinder 2, a filter cartridge 3, an extrusion plate 61 and a compression bar 6, wherein the filter cartridge 3 is arranged at the inner side of the bracket 1, the extrusion plate 61 is connected to the inner part of the filter cartridge 3 in a sliding way, the upper end of the extrusion plate 61 is in threaded connection with one end of the compression bar 6, the other end of the compression bar 6 is connected with a telescopic rod 21 of the cylinder 2, the cylinder 2 is fixedly arranged at the bottom of the inner side of the bracket 1 through bolts, and the cylinder 2 is connected with;

the bottom of the filter cylinder 3 is provided with a discharge hole 31; a clamping groove 33 is formed in the inner side wall of the filter cartridge 3, and the clamping groove 33 is of an annular structure; a filter screen 7 is arranged at the clamping groove 33; a feed inlet 32 is formed in the left side wall of the filter cartridge 3, one end of the feed pipe 8 is connected to the feed inlet 32, and the other end of the feed pipe 8 is funnel-shaped; a feed valve 81 is arranged on the feed pipe 8;

the section of the lower end of the filter cylinder 3 is in a conical structure; the lower extreme welding of cartridge filter 3 has support 4, and the space department that support 4 and cartridge filter 3 lower extreme formed is provided with collects frame 5, collects frame 5 and sets up under the discharge gate 31 that the cartridge filter 3 bottom was seted up.

Example 2

When the utility model is used, firstly, the feeding valve 81 is manually opened, and the funnel-shaped end of the feeding pipe 8 is used for batch sample introduction, so that the sample can enter the filter cartridge 3 from the feeding pipe 8 and is positioned at the upper end of the filter screen 7, then, the external air compressor is manually opened, and the air compressor drives the air cylinder 2 to operate, at the moment, the telescopic rod 21 of the air cylinder 2 drives the compression rod 6, so that the extrusion plate 61 connected with the compression rod 6 can do reciprocating linear motion inside the filter cartridge 3, meanwhile, the pressure formed in the extrusion process by the extrusion plate 61 is used for applying pressure to the sample on the filter screen 7, so that the sample can rapidly pass through the meshes of the filter screen 7 under the action of the high pressure, wherein the impurities between the sample and the sample can be intercepted on the filter screen 7 because the cross section area of the impurities is larger than the meshes of the filter screen 7, the sample passing through the mesh of the filter screen 7 is discharged from the discharge port 31 formed at the bottom of the filter cartridge 3 and directly falls into the collection frame 5, the sample at this time is the sample after the filtration and purification are completed, and the sample in the collection frame 5 is uniformly and manually conveyed to a designated storage place by manpower, in the above operation process, it needs to be noticed that after the sample is added in batches each time, the feed valve 81 needs to be closed in time, so that the air pressure in the filter cartridge 3 is not affected, that is, the normal use efficiency of the filter cartridge 3 can be effectively ensured, wherein, the application effectively avoids the manual operation by using the mode of applying pressure on the extrusion plate 61 by the air cylinder 2, that is, the manual operation is not needed to filter the sample, only the sample to be filtered and purified needs to be added into the filter cartridge 3 by the feed pipe 8, therefore, the phenomenon of threatening the personal safety of an operator due to improper operation of the operator can not occur in the operation process, wherein the application principle is that the air pressure in the filter cylinder 3 is utilized, the air cylinder 2 is utilized to drive the pressure rod 6, the extrusion plate 61 connected with the pressure rod 6 can do reciprocating linear motion in the filter cylinder 3, meanwhile, the pressure formed in the extrusion process of the extrusion plate 61 is utilized to apply pressure on the sample on the filter screen 7, so that the sample can rapidly pass through the meshes of the filter screen 7 under the action of the high pressure, wherein impurities between the sample and the sample can be intercepted on the filter screen 7 due to the fact that the cross section area of the impurities is larger than the meshes of the filter screen 7, and therefore, the effect of rapid filtering and purifying is generated on the sample to a certain extent, compared with the prior art, the filtering speed is high, and more high-efficient, practical, moreover, this application can effectively realize sample formula filtration in batches through the mode that utilizes atmospheric pressure pressurization, promptly, has further accelerated the efficiency that sample filtration purification handled to a certain extent to the practicality of this application has further been improved to a certain extent.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic filtering and purifying device for sample pretreatment is characterized by comprising a bracket, an air cylinder, a filter cylinder, an extrusion plate and a pressure rod, wherein the filter cylinder is arranged on the inner side of the bracket;

the bottom of the filter cylinder is provided with a discharge hole; a clamping groove is formed in the inner side wall of the filter cylinder; a filter screen is arranged at the clamping groove; a feed inlet is formed in the left side wall of the filter cylinder, and one end of a feed pipe is connected to the feed inlet; a feed valve is arranged on the feed pipe;

the lower extreme welding of cartridge filter has the support, the space department that support and cartridge filter lower extreme formed is provided with the collection frame, collect the frame and set up under the discharge gate that the cartridge filter bottom was seted up.

2. The automatic filtration and purification device for the pretreatment of a sample according to claim 1, wherein the air cylinder is connected to an external air compressor.

3. The automatic filtering and purifying device for the pretreatment of the sample as claimed in claim 1, wherein the clamping groove has a ring-shaped structure.

4. The automatic filtration and purification device for sample pretreatment according to claim 1, wherein the other end of the feed pipe is funnel-shaped.

5. The automatic filtering and purifying device for the pretreatment of the sample as claimed in claim 1, wherein the cross section of the lower end of the filter cartridge is in a conical structure.