Pear-shaped sand core precision separating funnel

By designing a pear-shaped sand core precision separating funnel, the problems of accuracy and efficiency in sample separation of existing separating funnels were solved, realizing efficient and accurate sample separation and oxidation treatment, and enhancing separation accuracy and oxidation area.

CN223641860UActive Publication Date: 2025-12-09XINJIANG ZHONGTAI XINXIN CHEM TECH CO LTD
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Patent Information

Application Number
CN202423117668.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-09
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing separatory funnels have poor precision in sample separation, cannot achieve aeration oxidation and filtration, resulting in low extraction efficiency and low accuracy, and the sample outflow is not concentrated, which affects the experimental results.

Method used

A pear-shaped sand core precision dispensing funnel is designed, comprising a bottle body, a T-shaped stopper, a filter plate, a dispensing tube, and an air inlet tube. Sealing and air passage are achieved by controlling the rotation angle of the dual-hole cock. Combined with the sand core filter plate, separation and oxidation reactions are carried out, thereby improving extraction efficiency and accuracy.

Benefits of technology

It improves extraction efficiency and the accuracy of experimental results, enables safe and labor-saving sample separation and oxidation treatment, and enhances separation precision and oxidation area.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of experimental instruments, in particular to a pear-shaped sand core precision separating funnel, which comprises a bottle body, a T-shaped bottle plug, a filter and a separating pipe. The rotation angle of the double-hole cock is controlled, the lower end of the pear-shaped bottle body is sealed or liquid in the pear-shaped bottle body is discharged, the air inlet guide pipe is arranged, the air source is connected with the air inlet guide pipe, the double-hole cock vent hole is communicated with the air inlet guide pipe, and a ventilation oxidation reaction is carried out; the sand core filter at the bottom of the bottle body is used for dispersing gas, so that the oxidation finishing area is increased, and a sample can be further filtered and separated; after the oxidation reaction, sealing the lower end of the pear-shaped bottle body; when the liquid phase and the liquid phase need to be separated, the single-hole cock is rotated to be communicated with the atmosphere, the double-hole cock is rotated to be communicated with the liquid separation pipe, and after the liquid phase and the liquid phase are completely separated, the double-hole cock is rotated to seal the liquid separation pipe. The device can effectively improve the extraction efficiency and the accuracy of experimental results, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to experimental instrument technical field, it is a pear shape sand core precision liquid separation funnel. BACKGROUND

[0002] In the laboratory daily sample analysis preparation process, part sample needs to carry out extraction, separation, even passes into oxygen, air gas and carries out oxidation treatment, ordinary liquid separation funnel only has extraction, separation function, cannot realize aeration oxidation and filter function, and because its upper container and bottom end slanting cone shape pipe connection place section area is bigger, sample separation precision is poorer when separating, sample effluent separates and flows out, and the upper liquid flows out with the filtrate, easy to cause separation to be not complete, thereby leading to experimental sample preparation failure, reduces extraction efficiency and experimental result's accuracy.

[0003] Therefore, based on the above extraction, separation equipment existing shortage, research develops a pear shape sand core precision liquid separation funnel is very necessary. SUMMARY

[0004] The utility model provides a pear shape sand core precision liquid separation funnel, overcomes the above prior art deficiency, its can effectively solve the extraction efficiency low, accuracy problem of existing extraction, separation device existing.

[0005] The technical scheme of the utility model is realized through the following measures: a pear shape sand core precision liquid separation funnel, including bottle body, T shape bottle plug, filter disc, liquid separation pipe, bottle body upper portion fixed communication has bottle neck, bottle neck upper portion embeddedly connected with T shape bottle plug, bottle body bottom embeddedly connected with filter disc, bottle body bottom export is provided with double hole cock, double hole cock lower portion is fixed communication respectively with liquid separation pipe and air inlet pipe.

[0006] The following is the further optimization or / and improvement of the above utility model technical scheme:

[0007] The air inlet valve is fixedly arranged on the air inlet pipe, and the single-hole cock is fixedly arranged on the liquid separation pipe.

[0008] The bottle body is pear-shaped, the filter disc is a sand core type, and the T-shaped bottle plug, double-hole cock and single-hole cock are all polytetrafluoroethylene types.

[0009] The liquid separation pipe is provided with a scale value.

[0010] The double-hole cock is provided with air holes on the left side and the right side of the bottom, and the two air holes are respectively connected with the air inlet pipe and the liquid separation pipe inlet.

[0011] This invention features a reasonable and compact structure, is easy to use, and controls the rotation angle of the dual-hole cock to seal the lower end of the pear-shaped bottle or allow liquid to flow out of the bottle. An inlet duct is provided to allow gas to pass through for the oxidation reaction. A sand filter at the bottom of the bottle disperses the gas, increasing the oxidation termination area and enabling sample filtration and separation. This invention effectively improves extraction efficiency and the accuracy of experimental results, and is characterized by safety, labor-saving, simplicity, and high efficiency. Attached Figure Description

[0012] Appendix Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Appendix Figure 1 The codes are as follows: 1 for bottle body, 2 for T-shaped stopper, 3 for filter, 4 for separator, 5 for neck, 6 for double-hole cock, 7 for single-hole cock, 8 for air inlet duct, and 9 for air inlet valve. Detailed Implementation

[0014] This utility model is not limited to the following embodiments, and the specific implementation method can be determined according to the technical solution of this utility model and the actual situation.

[0015] Unless otherwise specified, all equipment and devices used in this invention are existing, publicly known, and commonly used equipment and devices in the field.

[0016] In this utility model, for ease of description, the description of the relative positions of the components is based on the appendix to the specification. Figure 1 The layout is described using a diagrammatic method, such as the positional relationships of front, back, top, bottom, left, and right, which are based on the instructions attached. Figure 1 The orientation of the layout is determined by the direction of the map.

[0017] The present invention will be further described below with reference to the embodiments and accompanying drawings:

[0018] Example 1: As shown in the attached document Figure 1 As shown, the pear-shaped sand core precision dispensing funnel includes a bottle body 1, a T-shaped stopper 2, a filter 3, and a dispensing tube 4. The upper part of the bottle body 1 is fixedly connected to a bottleneck 5, and the upper part of the bottleneck 5 is embedded with a T-shaped stopper 2. The bottom of the bottle body 1 is embedded with a filter 3. A double-hole cock 6 is provided at the bottom outlet of the bottle body 1, and the lower part of the double-hole cock 6 is fixedly connected to the dispensing tube 4 and the air inlet tube 8, respectively.

[0019] The above-mentioned pear-shaped sand core precision separatory funnel can be further optimized and / or improved according to actual needs:

[0020] Example 2: Its difference from Example 1 is as follows: (See attached) Figure 1 As shown, an intake valve 9 is fixedly installed on the intake duct 8, and a single-hole cock 7 is fixedly installed on the liquid separator 4.

[0021] According to the need, when liquid-liquid two-phase separation is needed, the single-hole cock 7 is communicated with the atmosphere, the double-hole cock 6 is rotated by 90° in the reverse direction, and is communicated with the separation tube 4, and after the sample is completely separated, the double-hole cock 6 is rotated to seal the separation tube.

[0022] Example 3 differs from examples 1 to 2 in that, as shown in the accompanying drawings, the bottle body 1 is pear-shaped, the filter disc 3 is a sand core type, and the T-shaped bottle plug 2, the double-hole cock 6 and the single-hole cock 7 are all polytetrafluoroethylene types. Figure 1 According to the need, the sand core type filter disc is beneficial to disperse the gas into small bubbles, increase the oxidation contact area, and improve the oxidation efficiency, and the sand core does not react with the sample and is not dissolved in water or organic matter.

[0023] The polytetrafluoroethylene type cock is stronger in sealing than the frosted type cock, and does not need to be smeared with vaseline, thereby reducing the retention and blockage of the extraction liquid in the extraction and separation process.

[0024] Example 4 differs from examples 1 to 3 in that, as shown in the accompanying drawings, the separation tube 4 is provided with a scale value, which is beneficial to accurately determine the volume of the sample extraction liquid during separation, to maximize the volume of the extraction liquid completely separated, and to ensure the accuracy of the determination result.

[0025] Figure 1 Example 5 differs from examples 1 to 4 in that, as shown in the accompanying drawings, the double-hole cock 6 is provided with air holes on the left side and the right side of the bottom, and the two air holes are respectively communicated with the air inlet pipe 8 and the separation tube 4 inlet.

[0026] According to the need, the pear-shaped sand core precision separation funnel device can be provided with conventional valves, thermometers and pressure gauges and the like commonly known in the art on the pipelines and equipment. Figure 1 The above technical features constitute the embodiments of the present application, have strong adaptability and implementation effect, and can be increased or reduced according to the actual needs to meet the needs of different situations.

[0027] The above technical features constitute the embodiments of the present application, have strong adaptability and implementation effect, and can be increased or reduced according to the actual needs to meet the needs of different situations.

[0028] The above technical features constitute the embodiments of the present application, have strong adaptability and implementation effect, and can be increased or reduced according to the actual needs to meet the needs of different situations.

[0029] ​The use process of the utility model embodiment is: firstly, the double-hole cork 6 is counterclockwise rotated 90 DEG, the lower end of the pear-shaped bottle body 1 is sealed, the T-shaped bottle plug 2 is opened, the sample is added from the inlet end of the bottle neck 5, the gas source is connected with the air inlet pipe 8, the air inlet valve 9 is opened, the gas source pressure is adjusted to be not greater than 0.01MPa; then, the double-hole cork 6 is clockwise rotated 90 DEG, the left air hole of the double-hole cork 6 is communicated with the air inlet pipe 8, the gas source enters and carries out oxidation reaction with the sample; finally, the oxidation reaction is finished, the double-hole cork 6 is counterclockwise rotated 90 DEG, and the lower end of the pear-shaped bottle body is sealed. When liquid-liquid two-phase separation is needed, the single-hole cork 7 is rotated to be communicated with the atmosphere, the double-hole cork 6 is counterclockwise rotated 90 DEG, and is communicated with the separating tube 4, after the sample is completely separated, the double-hole cork 6 is rotated to seal the separating tube 4.

Claims

1. A pear-shaped sand core precision dispensing funnel, characterized in that The bottle body is fixedly connected with a bottle neck at the upper portion, the T-shaped bottle plug is embeddedly connected at the upper portion of the bottle neck, the filter sheet is embeddedly connected at the bottom of the bottle body, and a double-hole cock is arranged at the outlet of the bottom of the bottle body.

2. The pear-shaped sand core precision dispensing funnel according to claim 1, characterized in that An air inlet valve is fixedly arranged on the air inlet guide pipe, and a single-hole cock is fixedly arranged on the liquid distribution pipe.

3. The pear-shaped sand core precision dispensing funnel according to claim 2, characterized in that The bottle body is pear-shaped, the filter sheet is a sand core type, and the T-shaped bottle plug, the double-hole cock and the single-hole cock are all polytetrafluoroethylene types.

4. The precision dispensing funnel for pear-shaped sand cores according to claim 1 or 2 or 3, characterized in that A scale value is arranged on the liquid distribution pipe.

5. The precision dispensing funnel for pear-shaped sand cores according to claim 1 or 2 or 3, characterized in that Air holes are arranged at the left and right sides of the bottom of the double-hole cock, and the two air holes are respectively connected with the air inlet guide pipe and the liquid distribution pipe.

6. The pear-shaped sand core precision dispensing funnel according to claim 4, characterized in that Air holes are arranged at the left and right sides of the bottom of the double-hole cock, and the two air holes are respectively connected with the air inlet guide pipe and the liquid distribution pipe.