CN216295448U

CN216295448U - Solid-liquid separation centrifugal tube for modifying fly ash

Info

Publication number: CN216295448U
Application number: CN202120616329.6U
Authority: CN
Inventors: 王昱茗; 崔红标; 张世文; 易齐涛; 王秋雅
Original assignee: Anhui University of Science and Technology; Huaibei Mining Co Ltd
Current assignee: Anhui University of Science and Technology; Huaibei Mining Co Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2022-04-15
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a solid-liquid separation centrifugal tube for modifying fly ash, which comprises a centrifugal tube body, wherein the centrifugal tube body is formed by sealing and connecting a sample adding tube, a filter tube and a collecting tube from the top to the bottom in sequence, wherein the bottom of the sample adding tube is connected with the opening part of the filter tube in a connecting mode, the bottom of the filter tube is connected with the opening part of the collecting tube in a connecting mode, and a solid-liquid phase separation part is arranged in the filter tube; by adopting the technical scheme, firstly, the time for solid-liquid separation can be reduced, the operation steps of centrifugal filtration are reduced, and the working efficiency is improved; secondly, the loss of samples in the operation process can be reduced, and the probability of manual errors is reduced; and thirdly, modular design can be adopted, each part can be separately used, socket joint type connection is adopted, the device can be applied to daily experiments in laboratories, and the device is matched with a centrifugal machine for use, so that the operation is simple, and the use is convenient.

Description

Solid-liquid separation centrifugal tube for modifying fly ash

Technical Field

The utility model belongs to the technical field of liquid separation, and particularly relates to a solid-liquid separation centrifugal tube for modifying fly ash.

Background

The centrifugal tube is one of common articles in a laboratory, has a plurality of purposes, such as dilution solution, mixed samples, centrifugal stratification and the like, and particularly has a large proportion of centrifugal stratification in a plurality of experimental operations, and can be used together with a centrifuge to quickly separate solid from liquid in the solution, particularly in a mixed solution composed of particles with small particle size, the centrifugal tube is often required to be matched with the centrifuge for centrifugal separation of solid from liquid, and when the mixture containing heavy metal solution is subjected to solid-liquid separation, the centrifugal tube is often required to be subjected to quick centrifugation for a relatively long time and at a relatively large rotating speed; at present, carry out corresponding experiment in the laboratory, when carrying out solid-liquid separation, need earlier carry out the centrifugation with centrifuge, later remove the supernatant, then filter lower part mixture with funnel and filter paper, in this period, can carry out the operation of multistep to consume certain time, especially when the sample size is big is handled to needs, can waste certain time, reduced work efficiency, and probably cause the sample to filter incompletely because of operating personnel's error in carrying out the solid-liquid separation process, exert an influence to the experimental data.

Chinese utility model patent (201520243842.X) discloses a liquid separation centrifuge tube, which consists of a tube body, a tube cover and a movably connected tube bottom, wherein a liquid drainage pipeline is arranged at the lower end of the tube body, the liquid drainage pipeline is arranged in the tube bottom and sealed by the tube bottom when the centrifuge tube is centrifuged, a cylinder connected with a liquid transfer gun is arranged on the tube cover, the tube bottom and the tube body can be separated, but the centrifuge tube has no filter, can only carry out centrifugal treatment, is mainly used for cell separation and extraction, and is not suitable for modification operation of fly ash; the utility model of Chinese utility model (201110031294.0) discloses a disposable filtering type semen separating centrifuge tube, which comprises a sleeve, a filter tube is arranged in the sleeve, a thread is arranged on the outer wall of the upper part of the sleeve, the upper part of the filter tube is cylindrical, the lower part is in the shape of a truncated cone, the bottom end of the filter tube is connected with a conduit, the diameter of the conduit is smaller than that of the filter tube, the filter tube is communicated with the conduit, a buffer net is arranged on the upper end of the truncated cone of the filter tube, the outer wall of the buffer net is tightly matched with the inner wall of the upper end of the truncated cone, an upper layer polyester fiber filter membrane, a middle layer polyester fiber filter membrane, a lower layer polyester fiber filter membrane, but the filter membrane can not be replaced, and all liquid stays on the upper part, the bearing capacity of the filter membrane can be large when the filter membrane is in initial operation, the filter membrane can be damaged again, the experimental precision is influenced by the lower part, and the filter membrane is not movably connected, and the liquid can not be conveniently transferred after the operation is completed, and the method mainly separates and extracts the refined solution and is not suitable for the modification operation of the fly ash.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a solid-liquid separation centrifugal tube for modifying fly ash, which can be matched with a centrifugal machine to automatically perform solid-liquid separation on a mixture, can perform modification operation on fly ash, improves the accuracy of an experiment, reduces operation steps and improves the working efficiency.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a solid-liquid separation centrifuging tube for fly ash is modified, includes that the centrifuging tube body comprises application of sample pipe, filter tube and collecting pipe sealing connection from top to bottom in proper order, wherein, application of sample socle portion is connected with the filter tube oral area formula of accepting, and the filter tube bottom is connected with the collecting tube oral area formula of accepting, and the filter tube is inside to set up solid-liquid phase separation portion, and centrifuging tube body oral area still is equipped with the sealing member.

The solid-liquid separation centrifugal tube comprises a separation funnel and a filtering support, wherein the opening of the separation funnel is arranged at the opening of a filtering tube, the tail of the separation funnel extends towards the bottom of the filtering tube along the axial direction of the filtering tube, the filtering support is arranged at a position close to the bottom of the filtering tube at intervals, the bottom of the filtering support is flush with the bottom of the filtering tube, and a first connecting piece for fixedly connecting the separation funnel and the filtering tube is arranged on the outer side of the opening of the separation funnel.

The utility model discloses a solid-liquid separation centrifugal tube for modifying fly ash, wherein a filter support is an inverted cone with an equilateral triangle cross section, the tip of the cone is arranged at the bottom of a filter tube, the opening of the cone is matched with the inner diameter of the filter tube and is arranged close to the tail of a separation funnel, a second connecting piece for fixedly connecting the cone with the filter tube is arranged on the outer side of the opening of the cone, and filter paper is laid on the inner wall of the cone.

The utility model discloses a solid-liquid separation centrifugal tube for modifying fly ash.

The utility model discloses a solid-liquid separation centrifugal tube for modifying fly ash, wherein a sealing piece at the opening part of a tube body of the centrifugal tube is a centrifugal tube cap, a screw thread is arranged in the centrifugal tube cap, and the centrifugal tube cap is in threaded connection with a sample adding tube.

The utility model discloses a solid-liquid separation centrifugal tube for modifying fly ash, wherein a first connecting piece is a rubber ring embedded into an annular groove formed in the outer side of an opening of a filter tube.

The utility model discloses a solid-liquid separation centrifugal tube for modifying fly ash, wherein a second connecting piece is a rubber ring sleeved on the inner side of a filter tube.

By adopting the technical scheme, firstly, the time for solid-liquid separation can be reduced, the operation steps of centrifugal filtration are reduced, and the working efficiency is improved; secondly, the loss of samples in the operation process can be reduced, and the probability of manual errors is reduced; thirdly, the modular design can be adopted, all parts can be used separately and are connected in a socket joint manner, the device can be applied to daily experiments in laboratories and is matched with a centrifuge for use, the operation is simple, and the use is convenient; the fourth, the filter part is replaceable, the filter paper can be placed on the filter part, which greatly facilitates the daily operation of a laboratory, and the diameter of the through hole of the filter paper can be changed according to the experiment requirements, so that the filter part is convenient and efficient, and can be operated by using a self-contained filter; fifthly, the fly ash can be modified, the solid-liquid separation can be carried out on the mixed liquid containing the fly ash after the treatment, a reagent for modification can be added into an upper part of the sample adding pipe, then the fly ash is leached and modified under the action of centrifugal force by adjusting the threaded regulator, and the liquid can pass through the filter paper as soon as possible under the action of the centrifugal force, so that the modification requirement is met.

The utility model will be explained in more detail below with reference to the drawings and examples.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

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

labeled as: 1. a thread; 2. a tube cover of a centrifugal tube; 3. a sample adding pipe; 4. a filter tube; 5. a filtration rack; 6. a collection pipe; 7. a threaded adjuster; 8. a first connecting member; 9. scale lines; 10. a separating funnel; 11. a second connecting member;

Detailed Description

The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail to explain embodiments of the present invention, such as the shapes, structures, mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing process, and the operation and use method, so as to help those skilled in the art to more completely, accurately and deeply understand the concept and technical solutions of the present invention.

FIG. 1 is a schematic view of the present invention; the solid-liquid separation centrifuge tube for modifying fly ash as shown in fig. 1 comprises a centrifuge tube body, wherein the centrifuge tube body is formed by connecting a sample adding tube 3, a filter tube 4 and a collecting tube 6 in a sealing manner from top to bottom in sequence, wherein the bottom of the sample adding tube 3 is connected with the opening part of the filter tube 4 in a connecting manner, the bottom of the filter tube 4 is connected with the opening part of the collecting tube 6 in a connecting manner, a solid-liquid phase separation part is arranged inside the filter tube 4, and a sealing part is further arranged at the opening part of the centrifuge tube body; the solid-liquid phase separation part comprises a separation funnel 10 and a filtering bracket 5, wherein the mouth part of the separation funnel 10 is arranged at the mouth part of the filtering pipe 4, the tail part of the separation funnel 10 extends to the bottom of the filtering pipe 4 along the axis of the filtering pipe 4, the filtering bracket 5 is arranged at a position close to the bottom of the filtering pipe 4 at intervals, wherein the bottom of the filtering bracket 5 is flush with the bottom of the filtering pipe 4, and a first connecting piece 8 for fixedly connecting the separation funnel 10 with the filtering pipe 4 is arranged on the outer side of the mouth part of the separation funnel; the filtering bracket 5 is an inverted cone with an equilateral triangle cross section, the tip of the cone is arranged at the bottom of the filtering pipe 4, the mouth of the cone is adaptive to the inner diameter of the filtering pipe 4 and is arranged at the position close to the tail part of the separating funnel 10, the outer side of the mouth of the cone is provided with a second connecting piece 11 which is fixedly connected with the filtering pipe 4, and the inner wall of the cone is paved with filter paper; the bottom of the separating funnel 10 is provided with a thread regulator 7 for regulating the flow rate of the liquid to be separated; the sealing piece at the opening part of the tube body of the centrifugal tube is a centrifugal tube cap 2, a thread 1 is arranged in the centrifugal tube cap 2, and the centrifugal tube cap 2 is in threaded connection with the sampling tube 3; the outer wall of the tube body of the collecting tube 6 is provided with scale marks 9; the first connecting piece 8 is a rubber ring embedded into an annular groove formed at the outer side of the opening part of the filter pipe 4; the second connecting piece 11 is a rubber ring sleeved on the inner side of the mouth of the filter pipe 4.

Example 1

In this example, the solid-liquid mixture was subjected mainly to a centrifugal filtration operation; as shown in fig. 1, the mixture is added into a sample adding tube 2, a centrifugal tube cover 1 is covered, and the filtration flow and the filtration speed of the mixture are adjusted by adjusting a threaded adjuster 203 in combination with the mixture density and the set rotation speed of the centrifuge; the mixture passes through separating funnel 10 under the effect of centrifugal force to drop into in below filter tube 4 under the control of screw thread regulator 7, and filter through the filter paper on filtering support 5, the particulate matter of entrapment can be held back through filter paper, and can take out filter paper after centrifugal filtration finishes, collects and holds back solid particle, and the filtrate permeates filter paper and gets into collecting pipe 6 and collect.

Example 2

The embodiment is mainly used for modifying the fly ash, on the basis of the previous operation, the fly ash after the previous modification is subjected to solid-liquid separation, the fly ash is retained on the filter paper of the filter bracket 5, after the centrifugation is finished, the socket joint type collecting pipe 6 is detached, a new collecting pipe 6 is replaced and inserted again, the sampling pipe 3 is detached, a new sampling pipe 3 is inserted, the centrifuge pipe cover 2 is opened, deionized water or absolute ethyl alcohol required for modification is added into the sampling pipe 3 according to the modification experiment requirement, then the threaded regulator 7 is regulated, so that the fly ash in the filter paper on the filter bracket 5 can be sprayed and leached under the action of the centrifugal force, the fly ash is modified, meanwhile, acid-base modification can be carried out, only an acid-resistant or alkali-resistant vessel needs to be replaced, the liquid used for modification in the modification process passes through the filter paper after being leached under the action of the centrifugal force, and (3) entering a collecting pipe 6, writing the collecting pipe 6 after centrifugal modification is finished, measuring the filtrate by using a pH meter, and stopping modification when the modification requirement is met to finish the experiment requirement.

The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims

1. The utility model provides a be used for modified solid-liquid separation centrifuging tube of fly ash, includes the centrifuging tube body, its characterized in that: centrifuging tube body comprises with appearance pipe, filter tube and collecting pipe sealing connection in proper order from top to bottom, and wherein, appearance socle portion is connected with the filter tube oral area to accept, and the filter tube bottom is connected with the collecting pipe oral area to accept, and the filter tube is inside to set up solid-liquid phase separation portion, and centrifuging tube body oral area still is equipped with the sealing member.

2. The solid-liquid separation centrifugal tube for modifying fly ash as claimed in claim 1, wherein the solid-liquid separation part comprises a separation funnel and a filter support, wherein the mouth of the separation funnel is arranged at the mouth of the filter tube, the tail of the separation funnel extends towards the bottom of the filter tube along the axis of the filter tube, the filter support is arranged at a position close to the bottom of the filter tube at intervals, wherein the bottom of the filter support is flush with the bottom of the filter tube, and a first connecting piece for fixedly connecting the separation funnel with the filter tube is arranged outside the mouth of the separation funnel.

3. The fly ash modified solid-liquid separation centrifuge tube according to claim 2, wherein the filter holder is an inverted cone with an equilateral triangle cross section, the tip of the cone is arranged at the bottom of the filter tube, the mouth of the cone is adapted to the inner diameter of the filter tube and is arranged near the tail of the separation funnel, the outer side of the mouth of the cone is provided with a second connecting piece for fixedly connecting the cone with the filter tube, and the inner wall of the cone is laid with filter paper.

4. The solid-liquid separation centrifugal tube for modifying fly ash according to claim 2, wherein the bottom of the separation funnel is provided with a screw thread regulator for regulating the flow rate of the liquid to be separated.

5. The solid-liquid separation centrifugal tube for modifying fly ash according to claim 1, wherein the sealing member of the opening of the centrifugal tube body is a centrifugal tube cap, a screw thread is arranged in the centrifugal tube cap, and the centrifugal tube cap is in threaded connection with the sample adding tube.

6. The solid-liquid separation centrifugal tube for modifying fly ash according to claim 1, wherein the outer wall of the tube body of the collecting tube is provided with scale marks.

7. The solid-liquid separation centrifugal tube for modifying fly ash according to claim 2, wherein the first connecting piece is a rubber ring embedded in an annular groove formed outside the opening part of the filter tube.

8. The solid-liquid separation centrifugal tube for modifying fly ash according to claim 3, wherein the second connecting piece is a rubber ring sleeved on the inner side of the filter tube.