A concentration device for a sample containing an organic reagent

Abstract

The application provides a concentration device for a sample containing an organic reagent, which comprises a constant-temperature shaker, a gas pump device for pumping gas, a filter, and a sample container fixed to a panel of the constant-temperature shaker by a fixing device; the sample container is divided into an upper section loaded with an organic reagent adsorption box and a lower section loaded with a sample lining tube; the sample lining tube is arranged inside the lower section and used for containing a sample; high gas inlets and low gas inlets are arranged on the two side walls of the lower section respectively; the high gas inlets blow gas upward from the surface of the sample; the low gas inlets are connected with the sample lining tube and blow gas along the horizontal direction of the surface of the sample; the organic reagent adsorption box is arranged inside the upper section; gas outlets are arranged on the container wall of the upper section and located above the organic reagent adsorption box; the gas pump device is connected with the high gas inlets or the low gas inlets through a pipeline; and the filter is connected with the gas outlets through a pipeline.

Description

Technical Field

[0001] This invention relates to the field of concentration apparatus, and more particularly to a concentration apparatus for samples containing organic reagents. Background Technology

[0002] Concentration of samples containing organic reagents is very common in extraction, separation, and analytical testing.

[0003] In extraction and separation processes, incomplete evaporation of organic reagents in the sample may affect the weighing of the extract, leading to discrepancies between the calculated extraction rate and the actual results. Therefore, it is necessary to remove as little organic reagent as possible from the sample. After the analysis and detection are completed, it is often necessary to retain the remaining sample. However, since most samples are unstable in solution, it is necessary to remove organic reagents from the sample to ensure its stability and thus extend its storage time.

[0004] However, prolonged concentration may easily affect the extract and the true condition of the sample. Therefore, in the fields of extraction, separation, analysis and detection, it is necessary to concentrate samples containing organic reagents quickly and in an environmentally friendly manner. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a concentration device for samples containing organic reagents, which can rapidly concentrate samples containing organic reagents and avoid causing environmental pollution.

[0006] To solve the above-mentioned technical problems, the present invention provides a concentration device for samples containing organic reagents, including a constant temperature shaker, a gas pump device for pumping in gas, a filter, and a sample container, wherein the sample container is fixed to the panel of the constant temperature shaker by a fixing device.

[0007] The sample container is divided into an upper section for loading the organic reagent adsorption box and a lower section for loading the sample liner tube. The sample liner tube is located inside the lower section and is used to hold the sample. The lower section has a high air inlet and a low air inlet on its two side walls, respectively. The high air inlet blows air downward from the sample surface, and the low air inlet is connected to the sample liner tube and blows air horizontally along the sample surface. The organic reagent adsorption box is located inside the upper section, and the upper section has an air outlet on its container wall, which is located above the organic reagent adsorption box.

[0008] The air pump device is connected to the high air inlet or the low air inlet via a conduit, and the filter is connected to the air outlet via a conduit.

[0009] In some embodiments, the upper and lower sections of the sample container are separable.

[0010] In some embodiments, the high air inlet is connected to an air inlet funnel, and the air inlet funnel is separable from the high air inlet.

[0011] In some embodiments, the sample liner tube is separable from the sample container.

[0012] In some embodiments, the low air inlet is provided with a filter membrane.

[0013] To solve the above-mentioned technical problems, the present invention also provides a concentration device for samples containing organic reagents, including a constant temperature shaker, a gas pump device for pumping in gas, a filter, and a sample container, wherein the sample container is fixed to the panel of the constant temperature shaker by a fixing device.

[0014] The sample container is sealed with a sample plug. The sample plug is equipped with an air inlet pipe and an air outlet pipe. An organic reagent adsorption box is installed on the air outlet pipe. The air inlet pipe is connected to an air inlet funnel for blowing air onto the sample surface. The air pump device is connected to the air inlet pipe through a conduit, and the air outlet pipe is connected to the filter through a conduit.

[0015] In some embodiments, the sample container is equipped with a filter screen.

[0016] In some embodiments, the sample container is an Erlenmeyer flask, a beaker, an EP tube, a centrifuge tube, or an evaporating dish.

[0017] In some embodiments, the panel is provided with multiple fixing devices to fix multiple sample containers, and the fixing devices are detachable from the panel.

[0018] In some embodiments, a conduit connector is also included, the conduit connector having an inlet and multiple outlets, the inlet of the conduit connector being connected to the air pump device via a conduit, and the multiple outlets of the conduit connector being connected to multiple sample containers one by one via conduits.

[0019] In some embodiments, a housing is also included, the housing having a conduit connector socket, the air pump device being located outside the housing, the conduit connector being inserted into the conduit connector socket for connecting the external air pump device and the internal sample container, and the filter being located outside the constant temperature shaker and inside the housing, and being connected to the sample container inside the constant temperature shaker via a conduit passing through the conduit connector socket at the top of the constant temperature shaker.

[0020] In some embodiments, the filter contains an organic reagent adsorbent cartridge.

[0021] In some embodiments, the organic reagent adsorbent box is filled with organic reagent adsorbent, and filters are respectively provided below and above the organic reagent adsorbent. The outer wall of the organic reagent adsorbent box has holes for the filtered gas to be discharged.

[0022] Compared with the prior art, the beneficial effects of the present invention include the following aspects:

[0023] 1. The concentration device for samples containing organic reagents of the present invention increases the surface area and concentration temperature of the sample by shaking and heating in a constant temperature shaker, and increases the gas flow rate on the sample surface by blowing air through an air pump, thereby achieving rapid concentration. In addition, the sample container is equipped with an organic reagent adsorbent box and a filter that work together to adsorb the organic reagents released to avoid environmental pollution, thus concentrating samples containing organic reagents more quickly and in an environmentally friendly manner.

[0024] 2. The concentration device for samples containing organic reagents of the present invention can blow air onto samples with different physical properties such as viscosity by setting two high and low air inlets with different blowing directions on the sample container.

[0025] 3. The concentration device for samples containing organic reagents of the present invention can simultaneously concentrate multiple groups of samples and accelerate the concentration efficiency by setting multiple fixing devices on the panel of the constant temperature shaker and cooperating with multiple outlet conduit connectors.

[0026] 4. The concentration device of the present invention for samples containing organic reagents has a detachable fixing device and panel, which can replace different sample containers and concentrate samples of various types of sample containers as needed. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the concentration unit.

[0028] Figure 2 This is a schematic diagram of the sample container structure in Example 1;

[0029] Figure 3 This is a schematic diagram of the inner liner tube structure of the sample in Example 1;

[0030] Figure 4 This is a schematic diagram of the conduit connector structure.

[0031] Figure 5 This is a schematic diagram of the triangular flask structure in Example 2;

[0032] Figure 6 This is a schematic diagram of the beaker structure in Example 2;

[0033] Figure 7 This is a schematic diagram of the EP tube structure in Example 2;

[0034] Figure 8 This is a schematic diagram of the centrifuge tube structure in Example 2;

[0035] Figure 9This is a schematic diagram of the evaporating dish structure in Example 2;

[0036] Figure 10 Schematic diagram of the fixing device for EP tubes of different capacities;

[0037] Figure 11 Schematic diagram of the fixing device for centrifuge tubes of different capacities;

[0038] Figure 12 Schematic diagram of the fixing device for different types of evaporating dishes. Detailed Implementation

[0039] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0040] In the description of this invention, it should be understood that the terms "upper", "lower", "bottom", "top", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0041] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0042] Reference Figures 1-4 This embodiment provides a concentration device for samples containing organic reagents, including a constant temperature shaker 1, a gas pump device 2 for pumping in gas, a filter 3, and a sample container 4. The sample container 4 is fixed to the panel 101 of the constant temperature shaker by a fixing device 5.

[0043] Specifically, the constant temperature shaker 1 is located inside the housing 6, the filter 3 is located above the inside of the housing 6 and is connected to the sample container 4 through the conduit 7 passing through the conduit inlet 601 above the constant temperature shaker 1, the air pump device 2 is fixed to the housing 6 through the slot on the outer wall of the housing 6, and the housing 6 also has a conduit connector inlet 602, the conduit connector 8 is inserted into the conduit connector inlet 602 for internal and external communication between the air pump device 2 and the sample container 4, wherein in order to fix the conduit connector 8 to the housing 6, the part inserted into the conduit connector inlet 602 is a rigid material interface, and the inlet and outlet of the conduit connector are respectively connected to the flexible material conduit 7.

[0044] The sample container 4 is divided into an upper section 41 for loading the organic reagent adsorption box 9 and a lower section 40 for loading the sample liner tube 401. The sample liner tube 401 is located inside the lower section 40 for holding the sample. The lower section 40 has a high air inlet 402 and a low air inlet 403 on its two side walls, respectively. The high air inlet 402 blows air downward from the sample surface, and the low air inlet 403 is connected to the sample liner tube 401 and blows air horizontally along the sample surface. The organic reagent adsorption box 9 is located inside the upper section 41. The container wall of the upper section has an air outlet 410 located above the organic reagent adsorption box 9.

[0045] The organic reagent adsorbent box 9 is filled with organic reagent adsorbent. Filters are provided above and below the organic reagent adsorbent. The lower filter 901 is used to replace the organic reagent adsorbent, and the upper filter 902 prevents the organic reagent adsorbent from being carried out of the sample container 4 by the airflow.

[0046] When in use, the air pump device 2 is connected to the high air inlet 402 or the low air inlet 403 according to the physical properties such as the viscosity of the sample to be concentrated, and the filter 3 is connected to the air outlet 410 through the conduit 7.

[0047] When concentrating a relatively viscous sample, the outlet of the air pump device 2 is connected to the inlet of the conduit connector 8 through the conduit 7, and the outlet of the conduit connector 8 is connected to the high air inlet 402 of the sample container through the conduit 7. The high air inlet 402 is equipped with a switch valve to control the airflow.

[0048] When concentrating powdered samples, the outlet of the air pump device 2 is connected to the inlet of the conduit connector 8 through the conduit 7, and the outlet of the conduit connector 8 is connected to the low air inlet 403 of the sample container through the conduit 7. The low air inlet 403 is also equipped with a switch valve to control the airflow.

[0049] When concentrating a sample, the sample to be concentrated is placed into the sample liner tube 401 of the sample container 4. The constant temperature shaker 1 and the air pump device 2 are turned on. The sample to be concentrated is shaken by the constant temperature shaker 1. At the same time, the constant temperature shaker 1 is set to the concentration temperature to heat the sample. The organic reagents in the sample volatilize under the dual action of shaking and heating. The airflow from the air pump device 2 enters the sample container from the high air inlet 402 or the low air inlet 403 and blows air onto the sample surface to accelerate the gas flow rate on the sample surface. Under the triple action of increasing the sample surface area, increasing the sample temperature, and accelerating the gas flow rate on the sample surface, the sample containing organic reagents can be concentrated quickly, thus improving the concentration speed.

[0050] A portion of the organic reagents volatilized upwards from the lower section 40 of the sample container 4 are absorbed by the organic reagent adsorption box 9 in the upper section 41. The portion that is not absorbed by the organic reagent adsorption box follows the airflow from the outlet 410 and enters the filter 3 along the conduit for filtration. The filter 3 is also equipped with an organic reagent adsorption box 9 to absorb the remaining organic reagents in the airflow. The airflow after absorption is discharged from the outlet 31 of the filter 3.

[0051] To facilitate the loading of samples to be concentrated, in this embodiment, the upper section 41 and the lower section 40 of the sample container 4 are detachable. When it is necessary to load a sample, the upper section 41 of the sample container 4 is removed from the lower section 40, and the sample can be added into the sample liner tube 401.

[0052] The concentrated sample is contained in the sample liner tube 401 and is not easy to collect directly from the sample container 4. Therefore, in order to facilitate the collection of the concentrated sample, in this embodiment, the sample liner tube 401 can be separated from the sample container 4, which also facilitates the cleaning and replacement of the sample liner tube 401.

[0053] In order to increase the area of ​​air blowing onto the sample surface, in this embodiment, the high air inlet 402 is connected to the air inlet funnel 10. The air inlet funnel 10 expands the airflow area and can cover a larger sample surface. At the same time, since samples of different volumes are placed in the sample liner tube 401 at different heights, in order to ensure that the air inlet funnel 10 is located above the sample surface, the air inlet funnel 10 can be separated from the high air inlet 402, and air inlet funnels of different height specifications can be replaced.

[0054] To prevent the sample from being blown out of the low air inlet 403 when using the low air inlet 403, the low air inlet 403 is provided with a filter membrane to prevent the sample from being blown out of the inner liner tube.

[0055] In order to concentrate multiple samples simultaneously and improve the concentration efficiency, in this embodiment, the panel 101 is provided with multiple fixing devices 5 to fix multiple sample containers 4, and the conduit connector 8 adopts a multi-outlet conduit connector 8.

[0056] The conduit connector 8 can have two or three outlets, depending on the number of sample containers 4. Multiple outlets of the conduit connector 8 can be connected to multiple sample containers 4 one by one through the conduit 7 to achieve simultaneous concentration of multiple sets of samples.

[0057] In this embodiment, as Figure 10-11 As shown, the fixing device 5 is detachable from the panel 101, so the fixing device 5 can be replaced to install other types of sample containers 4, thereby allowing for the simultaneous fixing of sample containers 4 of different capacities and types.

[0058] To ensure the airtightness of the sample container 4 and the filter, all connections through the conduit 7 are equipped with sealing rings to ensure airtightness. At the same time, the connection between the upper section 41 and the lower section 40 of the sample container 4 is also sealed.

[0059] The concentration device for samples containing organic reagents provided in this embodiment is subjected to a triple effect of increased surface area, increased gas flow rate, and increased temperature during concentration, which causes the small amount of organic reagents in the sample to evaporate rapidly, thereby achieving rapid concentration of the sample. Furthermore, the sample is subjected to dual absorption by the organic reagent adsorption box in the sample container 4 and the filter 3, avoiding environmental pollution. It can concentrate samples containing organic reagents quickly and in an environmentally friendly manner.

[0060] Example 2

[0061] Reference Figures 5-9 The main difference between this embodiment and Embodiment 1 is that the sample container 4 in this embodiment uses a triangular flask, beaker, EP tube, centrifuge tube, evaporating dish, or other common chemical experimental containers. The container mouth of the above-mentioned common chemical experimental containers is sealed with a sample stopper 11. The stopper of the sample stopper 11 is provided with an inlet pipe 111 and an outlet pipe 112. An organic reagent adsorption box 9 is provided on the outlet pipe 112. The inlet pipe 111 is connected to an inlet funnel 10 for blowing air onto the sample surface. The outlet pipe 112 allows gas to enter the organic reagent adsorption box 9 through the conduit. The air pump device 2 is connected to the inlet pipe 111 through a conduit 7. The outlet pipe 112 is connected to the filter 3 through a conduit 7. The connection between the inlet pipe 111 and the outlet pipe 112 and the stopper is reinforced with a rigid conduit.

[0062] To prevent the organic reagent adsorbent on the vent pipe 112 from falling into the sample and causing contamination, a filter screen 12 is provided inside the sample container 4 in this embodiment. The rest is the same as in Embodiment 1, and will not be repeated here.

[0063] The above description is merely a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto. Any non-substantial modifications made to the present invention by those skilled in the art within the scope of the technology disclosed in the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. A concentration apparatus for samples containing organic reagents, characterized in that, It includes a constant temperature shaker, a gas pump device for pumping in gas, a filter, and a sample container, wherein the sample container is fixed to the panel of the constant temperature shaker by a fixing device; The sample container is divided into an upper section for loading the organic reagent adsorption box and a lower section for loading the sample liner tube. The sample liner tube is located inside the lower section and is used to hold the sample. The lower section has a high air inlet and a low air inlet on its two side walls, respectively. The high air inlet blows air downward from the sample surface, and the low air inlet is connected to the sample liner tube and blows air horizontally along the sample surface. The organic reagent adsorption box is located inside the upper section, and the upper section has an air outlet on its container wall, which is located above the organic reagent adsorption box. The air pump device is connected to the high air inlet or the low air inlet via a conduit, and the filter is connected to the air outlet via a conduit. The sample liner tube is separable from the sample container; the low air inlet is equipped with a filter membrane.

2. The concentration apparatus for samples containing organic reagents according to claim 1, characterized in that, The upper and lower sections of the sample container are separable.

3. The concentration apparatus for samples containing organic reagents according to claim 2, characterized in that, The high air inlet is connected to the air inlet funnel, and the air inlet funnel is detachable from the high air inlet.

4. A concentration apparatus for samples containing organic reagents, characterized in that, It includes a constant temperature shaker, a gas pump device for pumping in gas, a filter, and a sample container, wherein the sample container is fixed to the panel of the constant temperature shaker by a fixing device; The sample container is sealed with a sample plug. The sample plug is equipped with an air inlet pipe and an air outlet pipe. An organic reagent adsorption box is installed on the air outlet pipe. The air inlet pipe is connected to an air inlet funnel for blowing air onto the sample surface. The air pump device is connected to the air inlet pipe through a conduit, and the air outlet pipe is connected to the filter through a conduit. The sample container is equipped with a filter screen; the filter is equipped with an organic reagent adsorbent box.

5. The concentration apparatus for samples containing organic reagents according to claim 4, characterized in that, The sample container is an Erlenmeyer flask, beaker, EP tube, centrifuge tube, or evaporating dish.

6. The concentration apparatus for samples containing organic reagents according to claim 1, characterized in that, The panel is equipped with multiple fixing devices to fix multiple sample containers, and the fixing devices are detachable from the panel.

7. The concentration apparatus for samples containing organic reagents according to claim 6, characterized in that, It also includes a conduit connector, which has an inlet and multiple outlets. The inlet of the conduit connector is connected to the air pump device via a conduit, and the multiple outlets of the conduit connector are respectively connected to multiple sample containers via conduits.

8. The concentration apparatus for samples containing organic reagents according to claim 7, characterized in that, It also includes a housing, which is provided with a conduit connector socket. The air pump device is located outside the housing. The conduit connector is inserted into the conduit connector socket to connect the external air pump device and the internal sample container. The filter is located outside the constant temperature shaker and inside the housing, and is connected to the sample container inside the constant temperature shaker through a conduit socket at the top of the constant temperature shaker.

9. The concentration apparatus for samples containing organic reagents according to claim 1 or 4, characterized in that, The filter is equipped with an organic reagent adsorbent box, which is filled with organic reagent adsorbent. Filter screens are set below and above the organic reagent adsorbent, and the outer wall of the organic reagent adsorbent box has holes for the filtered gas to be discharged.

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