CN218794216U - General type psammitolite filter equipment of standard dull polish interface - Google Patents

Abstract

The utility model provides a standard frosted interface general type sand core filtering device, belonging to the technical field of experimental devices, comprising a funnel, a sand core filter and a filtrate collecting bottle; the funnel is arranged on the sand core filter, and a filter membrane is arranged between the funnel and the sand core filter; the interface of the sand core filter is an external frosted standard interface; the filtrate collecting bottle is a triangular flask or a round-bottom flask, and the interface is an internal grinding standard interface. The utility model provides an use HNT1000 sand core filter equipment need shift the filtrating in the mark stopper triangular flask to the mark mouth round flask in could carry out the concentrated operation of evaporating soon and adopt utensil mark mouth psammitolite suction filter funnel need the secondary filter even many times just can reach filter fineness, leads to the loaded down with trivial details technical problem of operation process.

Description

General type psammitolite filter equipment of standard dull polish interface

Technical Field

The utility model belongs to the technical field of experimental apparatus, a general type psammitolite filter equipment of standard dull polish interface is specifically disclosed.

Background

The sand core filtering device is high-efficiency solid-liquid phase separation equipment, is usually prepared from excellent hard high borosilicate glass, and is widely applied in the fields of chemical analysis, health inspection, environmental detection, scientific research and the like. Particularly in the field of organic synthesis, a sand core filtering device is often required to separate solid components such as a catalyst, a drying agent and the like from a reaction solution so as to terminate the reaction or separate and purify a product. The sand core filtering devices widely used at present mainly comprise an HNT1000 type sand core filtering device (shown in figure 1) and a sand core suction filter funnel with a standard opening (shown in figure 2).

Related patents about HNT1000 sand core filter device, for example CN207042008U discloses a sand core filter device, including cylinder type glass funnel, sand core filter, triangle filter flask and clip, the sand core filter lateral wall is equipped with the vacuum connection, and the lower part is equipped with the sand core fluid-discharge tube. As shown in fig. 1, in the current market, a standard plug triangular flask (interface is an external frosted standard interface) is adopted as a filtrate collection bottle, a standard mouth sand core filter (interface is an internal frosted standard interface) is adopted as a sand core filter, and the interface of the standard plug triangular flask is inserted into the interface of the standard mouth sand core filter. After the solid-liquid mixed system was separated using an HNT1000 sand core filtration apparatus, the resulting liquid phase portion existed in a stopper flask. And subsequent operation such as concentration of evaporating soon, the standard mouth round flask of adoption (the interface is interior mill sand standard interface) cover is established on the interface of evaporating soon the device, consequently in actual operation, need to shift the filtrating in the stopper triangular flask to the standard mouth round flask in can evaporating soon the concentration, the operation process is loaded down with trivial details.

As shown in fig. 2, if the existing filtering funnel with standard-mouth sand core (interface is external frosted standard interface) on the market is used in conjunction with a standard-mouth round-bottom flask to separate the solid-liquid mixing system, the following problems exist: because of the reason of utensil mark mouth psammitolite suction filter funnel machining precision, the filter membrane is difficult to closely laminate with psammitolite suction filter funnel, causes solid phase part to leak easily, pollutes the liquid phase part that collects in the mark mouth round flask, leads to needing to carry out secondary and even filtration many times, leads to the operation very inconvenient equally.

SUMMERY OF THE UTILITY MODEL

To prior art in, use HNT1000 molding sand core filter equipment to shift the filtrating in the mark stopper triangular flask to mark mouthful round flask in can carry out the concentrated operation of evaporating soon and adopt utensil mark mouth psammitolite suction filter funnel need the secondary filter even many times just can reach filter fineness, lead to the loaded down with trivial details technical problem of operation process, the utility model provides a general molding sand core filter equipment of standard dull polish interface simplifies operation process, improves experimental efficiency.

The standard frosted interface universal type sand core filtering device comprises a funnel, a sand core filter and a filtrate collecting bottle; the funnel is arranged on the sand core filter, and a filter membrane is arranged between the funnel and the sand core filter; the interface of the sand core filter is an external frosted standard interface; the filtrate collecting bottle is a triangular flask or a round-bottom flask, and the interface is an internal grinding standard interface.

Further, the sand core filter comprises a sand core, a semi-spherical pipe, an outer circular pipe, a liquid discharge pipe and a vacuum joint; the sand core is arranged in the hemispherical pipe; the top end of the outer circular tube is connected with the bottom end of the hemispherical tube, the side wall of the outer circular tube is provided with a vacuum joint, and the bottom end of the outer circular tube is an outer frosted standard interface; the liquid discharge pipe is arranged along the central line of the outer circular pipe, the top end of the liquid discharge pipe is communicated with the hemispherical pipe, and the bottom end of the liquid discharge pipe is positioned below the outer circular pipe; the annular space between the outer circular tube and the liquid discharge tube is a vacuumizing area; the funnel is arranged at the top end of the hemispherical tube.

Furthermore, the bottom end of the liquid discharge pipe is designed to be an inclined opening.

Further, the vacuum joint is a pagoda joint.

Further, the funnel and the hemispherical tube are clamped by a clamp.

Furthermore, a dustproof cover is arranged on the top opening of the funnel.

The utility model discloses following beneficial effect has:

the utility model discloses design into outer dull polish standard interface with the interface of psammitolite filter, can directly meet with current mark mouth round flask, need not to shift to filtrating after the suction filtration is accomplished and can directly install and evaporate soon on evaporating the device soon, avoid using apparatus mark mouth psammitolite suction filtration funnel to need carry out the filterable problem of secondary even many times simultaneously, solved and used current psammitolite filter equipment operation process loaded down with trivial details technical problem. The utility model discloses simple structure, design exquisiteness, practicality are strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a prior art HNT1000 type sand core filtering device;

FIG. 2 is a schematic structural diagram of a sand core suction filter funnel with a standard mouth and a round bottom flask with a standard mouth in the prior art;

fig. 3 is a schematic structural view of the standard sand core filtering device with a general sand grinding interface according to the present invention;

FIG. 4 is a schematic illustration of the sand core filter of FIG. 1;

fig. 5 is a schematic structural view of the stop collar in fig. 1.

In the figure: 1, a funnel; 2-sand core filter; 2.1-sand core; 2.2-a hemispherical tube; 2.3-outer circular tube; 2.4-liquid discharge pipe; 2.5-vacuum joint; 3-round bottom flask; 4-a filter membrane; 5-a limit ring; 5.1-filter membrane slot; 5.2-filtering membrane jack.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The present embodiment provides a standard sand core filter assembly for a universal sand core with a frosted interface, as illustrated in fig. 3, comprising a funnel 1, a sand core filter 2, and a filtrate collection bottle; the funnel 1 is arranged on the sand core filter 2, and a filter membrane 4 is arranged between the funnel 1 and the sand core filter 2; the interface of the sand core filter 2 is an external frosted standard interface; the filtrate collecting bottle is a triangular flask or a round-bottom flask 3, and the interface is an internal grinding standard interface. The filtrate collection bottle is shown as round bottom flask 3.

Further, as shown in fig. 4, the sand core filter 2 comprises a sand core 2.1, a hemispherical pipe 2.2, an outer circular pipe 2.3, a drain pipe 2.4 and a vacuum joint 2.5; the sand core 2.1 is arranged in the hemispherical tube 2.2; the top end of the outer circular tube 2.3 is connected with the bottom end of the hemispherical tube 2.2, the side wall is provided with a vacuum joint 2.5, and the bottom end is an outer frosted standard interface; the liquid discharge pipe 2.4 is arranged along the central line of the outer circular pipe 2.3, the top end of the liquid discharge pipe is communicated with the hemispherical pipe 2.2, and the bottom end of the liquid discharge pipe is positioned below the outer circular pipe 2.3; the annular space between the outer circular tube 2.3 and the liquid discharge tube 2.4 is a vacuum-pumping area; the funnel 1 is placed on top of a half-spherical tube 2.2.

Connect funnel 1, psammitolite filter 2 and filtrating receiving flask back in proper order, through rubber tube connection vacuum pump on vacuum joint 2.5, start the vacuum pump, the annular space between excircle pipe 2.3 and fluid-discharge tube 2.4 is taken out from the air in the filtrating receiving flask, and liquid is taken out in the solid-liquid mixture system that funnel 1 held in the filtrating receiving flask.

Furthermore, the bottom end of the drain pipe 2.4 is designed as a bevel.

Further, the vacuum connection 2.5 is a pagoda connection.

Further, the top opening of the funnel 1 is provided with a dust cap (not shown in fig. 3).

Further, the funnel 1 is clamped with the half-spherical tube 2.2 by means of a clamp (not shown in fig. 3).

Example 2

On the basis of the embodiment 1, the embodiment improves the joint of the funnel 1 and the sand core filter 2, and realizes two functions of limiting and sealing.

The bottom surface of the funnel 1 and the top surface of the hemispherical tube 2.2 are both provided with annular limiting grooves; the standard frosted interface general type sand core filtering device also comprises a limiting ring 5 matched with the annular limiting groove, as shown in figure 5, the limiting ring 5 is made of elastic material, a filter membrane slot 5.1 is arranged on the inner annular surface, and at least one half area of the filter membrane slot 5.1 is communicated with the outer annular surface to be used as a filter membrane socket 5.2; filter membrane 4 inserts filter membrane slot 5.1 from filter membrane socket 5.2 to realize filter membrane 4 and spacing ring 5's assembly, spacing ring 5 is placed in the annular spacing inslot of hemisphere pipe 2.2 top surfaces, and the annular spacing groove of 1 bottom surface of funnel compresses tightly spacing ring 5, realizes location and sealed dual function.

In figure 5 the filter insert 5.1 and filter spigot 5.2 each occupy half of the stop collar 5.

This embodiment adopts annular spacing groove and spacing ring 5, and the accurate positioning when realizing funnel 1 and the installation of sand core filter 2 guarantees the two axiality, and spacing ring 5 adopts elastic material to make, can improve the leakproofness simultaneously, makes vacuum filtration more high-efficient, sets up filter membrane slot 5.1 and filter membrane socket 5.2 on spacing ring 5, realizes the used repeatedly of spacing ring under the removable prerequisite of filter membrane.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (5)

1. A standard frosted interface universal type sand core filtering device comprises a funnel, a sand core filter and a filtrate collecting bottle;

the funnel is arranged on the sand core filter, and a filter membrane is arranged between the funnel and the sand core filter;

the sand core filter is characterized in that an interface of the sand core filter is an outer frosted standard interface;

the filtrate collecting bottle is a triangular flask or a round-bottom flask, and the interface is an internal grinding standard interface;

the sand core filter comprises a sand core, a hemispherical pipe, an outer circular pipe, a liquid discharge pipe and a vacuum joint;

the sand core is arranged in the hemispherical tube;

the top end of the outer circular tube is connected with the bottom end of the hemispherical tube, the side wall of the outer circular tube is provided with a vacuum joint, and the bottom end of the outer circular tube is an outer frosted standard interface;

the liquid discharge pipe is arranged along the central line of the outer circular pipe, the top end of the liquid discharge pipe is communicated with the hemispherical pipe, and the bottom end of the liquid discharge pipe is positioned below the outer circular pipe;

the annular space between the outer circular pipe and the liquid discharge pipe is a vacuumizing area;

the funnel is arranged at the top end of the semi-spherical pipe;

the bottom surface of the funnel and the top surface of the hemispherical tube are both provided with annular limiting grooves;

the standard frosted interface general type sand core filtering device also comprises a limiting ring matched with the annular limiting groove, the limiting ring is made of elastic materials, a filter membrane slot is arranged on the inner annular surface, and at least one half area in the filter membrane slot is communicated with the outer annular surface to be used as a filter membrane socket;

the filter membrane is inserted into the filter membrane slot from the filter membrane jack, the limiting ring is placed in the annular limiting groove on the top surface of the hemispherical tube, and the annular limiting groove on the bottom surface of the funnel compresses the limiting ring.

2. The standard sand interface sand core filter apparatus as recited in claim 1 wherein the drain tube is beveled at its bottom end.

3. The sand core filter apparatus as recited in claim 2 wherein the vacuum fitting is a pagoda fitting.

4. The sand core filter apparatus of claim 3 wherein the funnel and the hemispherical tube are clamped together by a clamp.

5. The standard sand interface sand core filter apparatus as recited in claim 4 wherein the top opening of the funnel is fitted with a dust cover.

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