Sample pretreatment device for detecting TOC (Total Organic Carbon) in solid-liquid mixed sample
By designing a sample pretreatment device that includes a lifting support and a magnetic stirring mechanism, the complex processing problem before detecting solid-liquid mixed samples is solved, enabling simple and efficient sample separation and measurement, and improving the operational safety and efficiency of TOC detection.
Patent Information
- Application Number
- CN202422518804.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-10-17
AI Technical Summary
Traditional methods for TOC detection of solid-liquid mixed samples are complex, inconvenient to operate, have large measurement errors, and low detection efficiency.
A sample pretreatment device was designed, comprising an outer shell, a centrifugal turntable, a lifting support, a rotating shaft, a sample loading trough, a magnetic stirring mechanism, and a centrifugal stir bar. The lifting support enables convenient loading and unloading of samples, the turntable provides support, and the combination of magnetic stirring and centrifugal stir bar enables solid-liquid separation.
It simplifies the sample processing procedure, improves ease of operation and detection efficiency, reduces measurement errors, and ensures operational safety.
Smart Images
Figure CN223623951U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of detection technology, and in particular to a sample pretreatment device for detecting TOC in solid-liquid mixed samples. Background Technology
[0002] TOC samples require preprocessing before testing, and traditional processing methods are quite complex.
[0003] Therefore, it is necessary to provide a new sample pretreatment device for detecting TOC in solid-liquid mixtures to solve the above-mentioned technical problems. Summary of the Invention
[0004] The technical problem solved by this utility model is to provide a sample pretreatment device for detecting TOC in solid-liquid mixed samples that is easy to operate, has small measurement error, and high detection efficiency.
[0005] To solve the above-mentioned technical problems, the present invention provides a sample pretreatment device for detecting TOC in a solid-liquid mixture, comprising: an outer shell, a centrifugal turntable rotatably mounted inside the outer shell, a lifting bracket on the top of the centrifugal turntable, a plurality of rotating shafts arranged in a ring on the lifting bracket, a sample loading groove rotatably mounted on the rotating shaft, and a capped sample bottle placed in the sample loading groove.
[0006] Preferably, the bottom of the sample loading trough is provided with a magnetic stirring mechanism, and the capped sample bottle is provided with a centrifugal stir bar.
[0007] Preferably, the outer shell is provided with a protective shell, which is fitted onto the centrifugal turntable.
[0008] Preferably, the centrifugal turntable has a rotating groove, which is adapted to the corresponding sample loading groove.
[0009] Preferably, the lifting support includes a push rod motor fixedly mounted on the centrifugal turntable, and a bracket is fixedly mounted on the output shaft of the push rod motor.
[0010] Preferably, a centrifugal motor is fixedly installed inside the outer casing, and the output shaft of the centrifugal motor is fixedly connected to the centrifugal turntable.
[0011] Compared with related technologies, the sample pretreatment device for detecting TOC in solid-liquid mixtures provided by this utility model has the following advantages:
[0012] This invention provides a sample pretreatment device for detecting TOC in solid-liquid mixtures. The lifting support facilitates the raising and lowering of the sample loading trough, enabling convenient sample placement and retrieval after centrifugation. The rotating trough provides support during centrifugation, effectively preventing it from detaching from the rotating shaft and thus protecting operators from injury. The magnetic stirring mechanism and centrifugal stir bar facilitate centrifugal stirring of the solid-liquid mixture, enabling convenient solid-liquid separation and improving the processing efficiency. Attached Figure Description
[0013] Figure 1 A schematic diagram of a preferred embodiment of the sample pretreatment device for detecting TOC in a solid-liquid mixture provided by this utility model;
[0014] Figure 2 This is a top view of the structure after removing the outer casing and centrifugal motor.
[0015] The following are labeled in the diagram: 1. Sample loading trough, 2. Magnetic stirring mechanism, 3. Rotating shaft, 4. Lifting support, 5. Centrifugal turntable, 6. Protective shell, 7. Capped sample bottle, 8. Centrifugal stir bar, 9. Rotating trough, 10. Outer shell, 11. Centrifugal motor. Detailed Implementation
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0017] Please refer to the following: Figure 1 and Figure 2 ,in, Figure 1 A schematic diagram of a preferred embodiment of the sample pretreatment device for detecting TOC in a solid-liquid mixture provided by this utility model; Figure 2 This is a top view of the structure after removing the outer casing and centrifuge motor. The sample pretreatment device for detecting TOC in a solid-liquid mixture includes: an outer casing 10, with a lid on the top of the outer casing 10; a centrifuge disc 5 rotatably mounted inside the outer casing 10; a lifting bracket 4 on the top of the centrifuge disc 5; multiple rotating shafts 3 arranged in a ring on the lifting bracket 4; and a sample loading groove 1 rotatably mounted on the rotating shafts 3, with a capped sample bottle 7 placed inside the sample loading groove 1.
[0018] The bottom of the sample loading trough 1 is equipped with a magnetic stirring mechanism 2, and the capped sample bottle 7 is equipped with a centrifugal stirrer 8.
[0019] The outer shell 10 is provided with a protective shell 6, which is fitted onto the centrifugal turntable 6.
[0020] The centrifugal turntable 5 has a rotating groove 9, which is adapted to the corresponding sample loading groove 1.
[0021] The lifting bracket 4 includes a push rod motor fixedly installed on the centrifugal turntable 5, and a bracket is fixedly installed on the output shaft of the push rod motor.
[0022] A centrifugal motor 11 is fixedly installed inside the outer casing 10, and the output shaft of the centrifugal motor 11 is fixedly connected to the centrifugal turntable 5.
[0023] The working principle of the sample pretreatment device for detecting TOC in solid-liquid mixtures provided by this utility model is as follows:
[0024] The weighed solid-liquid mixture sample is loaded into a capped sample bottle 7 equipped with a centrifugal stirrer 8. The cap of the sample bottle 7 is closed, and then the push rod motor 11 is started. The push rod motor 11 drives the support to move downward, the support drives the rotating shaft 3 to move downward, the rotating shaft 3 drives the sample loading groove 1 to move downward, and the sample loading groove 1 drives the solid-liquid mixture sample, the capped sample bottle 7, and the centrifugal stirrer 8 to move downward until the stirring groove 1 slides into the groove of the centrifugal turntable. The push rod motor 11 is then turned off, and then the cover of the outer shell 10 is closed. The centrifugal motor 11 is started, and the centrifugal motor 11 drives the centrifugal turntable 5 to rotate, thereby realizing automatic centrifugation and sample separation. After separation, the supernatant is taken to complete the sample preparation.
[0025] Compared with related technologies, the sample pretreatment device for detecting TOC in solid-liquid mixtures provided by this utility model has the following advantages:
[0026] This invention provides a sample pretreatment device for detecting TOC in solid-liquid mixtures. The lifting support facilitates the raising and lowering of the sample loading trough 1, enabling convenient sample placement and retrieval after centrifugation. The rotating trough 9 provides support for the sample loading trough 1 during centrifugation, effectively preventing it from detaching from the rotating shaft 3 and thus protecting operators from injury. The magnetic stirring mechanism 2 and centrifugal stirrer 8 facilitate centrifugal stirring of the solid-liquid mixture, enabling convenient solid-liquid separation and improving the processing efficiency.
[0027] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A sample pretreatment device for detecting TOC in a solid-liquid mixture, characterized in that, include: The outer casing contains a centrifugal turntable that is rotatably mounted inside. The top of the centrifugal turntable is provided with a lifting bracket. Multiple rotating shafts arranged in a ring are rotatably mounted on the lifting bracket. Sample loading grooves are rotatably mounted on the rotating shafts, and capped sample bottles are placed in the sample loading grooves.
2. The sample pretreatment device for detecting TOC in a solid-liquid mixture according to claim 1, characterized in that, The bottom of the sample loading trough is equipped with a magnetic stirring mechanism, and the capped sample bottle is equipped with a centrifugal stir bar.
3. The sample pretreatment device for detecting TOC in a solid-liquid mixture according to claim 1, characterized in that, The outer shell contains a protective shell, which is fitted onto the centrifugal turntable.
4. The sample pretreatment device for detecting TOC in a solid-liquid mixture according to claim 1, characterized in that, The centrifugal turntable has a rotating groove, which is adapted to the corresponding sample loading groove.
5. The sample pretreatment device for detecting TOC in a solid-liquid mixture according to claim 1, characterized in that, The lifting support includes a push rod motor fixedly installed on the centrifugal turntable, and a bracket is fixedly installed on the output shaft of the push rod motor.
6. The sample pretreatment apparatus for detecting TOC in a solid-liquid mixture according to claim 1, characterized in that, A centrifugal motor is fixedly installed inside the outer casing, and the output shaft of the centrifugal motor is fixedly connected to the centrifugal turntable.