Extraction device for detecting and extracting veterinary drug residues of livestock and poultry products

Abstract

The utility model relates to the technical field of veterinary drug residue detection, in particular to an extraction device for veterinary drug residue detection and extraction of livestock and poultry products, which comprises a bearing frame, a mixing tank, a collecting tank and an elution tank are arranged on the bearing frame, a cover plate is arranged at the top of the mixing tank, and a mixing motor is mounted at the top of the cover plate. The bottom of the mixing tank is connected with an elution tank through a connecting pipe, the elution tank is connected with a collecting tank through a connecting pipe, a fixing plate is installed above the elution tank, firstly, extraction filler is pretreated through treatment liquid in a liquid storage pipe, and then sample solutions extracted for multiple times are mixed through the mixing tank; after being mixed, the sample solution enters the elution tank through the connecting pipe, so that the extraction filler adsorbs the sample solution, and finally the extraction filler is leached and eluted through the liquid in the liquid storage pipe, compared with the prior art, the device has the advantages that the extraction process can be completed on one device, and the extraction efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of veterinary drug residue detection technology, specifically an extraction device for detecting and extracting veterinary drug residues in livestock and poultry products. Background Technology

[0002] Testing for veterinary drug residues in livestock and poultry products is a crucial step in ensuring food safety. It aims to ensure that the levels of veterinary drug residues in livestock and poultry products meet national standards and prevent harm to human health.

[0003] Existing technologies for detecting veterinary drug residues in livestock and poultry products use extraction devices, but these devices are inefficient in extracting veterinary drug residues. Therefore, an extraction device for detecting veterinary drug residues in livestock and poultry products is needed to address this issue. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] In view of the problems existing in the extraction devices used for the detection and extraction of veterinary drug residues in livestock and poultry products, this utility model is proposed.

[0006] Therefore, the purpose of this invention is to provide an extraction device for detecting veterinary drug residues in livestock and poultry products. First, the extraction packing is pretreated with a treatment liquid in a storage tube. Then, the sample solutions extracted multiple times are mixed in a mixing tank. After mixing, the solution enters the elution tank through a connecting pipe, allowing the extraction packing to adsorb the sample solution. Finally, the extraction packing is rinsed and eluted with liquid in the storage tube. Compared with the prior art, this device can complete the extraction process in one device, greatly improving the extraction efficiency.

[0007] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0008] An extraction device for detecting veterinary drug residues in livestock and poultry products, comprising a support frame;

[0009] The support frame is equipped with a mixing tank, a collecting tank, and an elution tank. The top of the mixing tank is equipped with a cover plate, and a mixing motor is installed on the top of the cover plate. The bottom of the mixing tank is connected to the elution tank through a connecting pipe. The elution tank is connected to the collecting tank through a connecting pipe. A fixing plate is installed above the elution tank, and an electric telescopic rod is installed on the fixing plate. A squeezing plate is connected below the electric telescopic rod. A liquid storage pipe is installed above the fixing plate, and a liquid pusher is installed at the top of the liquid storage pipe.

[0010] As a preferred embodiment of the extraction device for detecting and extracting veterinary drug residues in livestock and poultry products according to this utility model, the bottom of the elution tank is connected to the collection tank via a connecting pipe, and a control valve is installed on the connecting pipe, and a drain port is provided on the collection tank.

[0011] As a preferred embodiment of the extraction device for detecting and extracting veterinary drug residues in livestock and poultry products according to this utility model, the bottom of the elution tank is connected to a wastewater tank via a connecting pipe, and a control valve is installed on the connecting pipe.

[0012] As a preferred embodiment of the extraction device for detecting and extracting veterinary drug residues in livestock and poultry products according to the present invention, a sleeve is provided between the fixed plate and the extrusion plate, and a liquid outlet is provided at the bottom of the extrusion plate, which is connected to the sleeve.

[0013] As a preferred embodiment of the extraction device for detecting and extracting veterinary drug residues in livestock and poultry products according to this utility model, the bottom of the liquid storage tube is connected to the inner cavity of the sleeve through a flexible tube, and there are multiple liquid storage tubes, which are evenly distributed above the fixed plate.

[0014] As a preferred embodiment of the extraction device for detecting and extracting veterinary drug residues in livestock and poultry products according to the present invention, wherein: the elution tank is filled with extraction packing material.

[0015] The beneficial effects of this invention are as follows: First, the extraction packing is pretreated by the treatment liquid in the storage tube. Then, the sample solutions extracted multiple times are mixed in the mixing tank. After mixing, the mixture enters the elution tank through the connecting tube, allowing the extraction packing to adsorb the sample solution. Finally, the extraction packing is rinsed and eluted by the liquid in the storage tube. Compared with the prior art, this device can complete the extraction process in one device, greatly improving the extraction efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a top view of the structure of this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the present invention.

[0020] In the diagram: 100 support frame, 110 mixing tank, 120 cover plate, 130 mixing motor, 140 collection tank, 150 drain port, 160 connecting pipe, 170 control valve, 200 elution tank, 210 extraction packing, 220 fixing plate, 221 sleeve, 222 extrusion plate, 223 outlet, 230 electric telescopic rod, 240 storage pipe, 250 push rod, 260 wastewater tank. Detailed Implementation

[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0025] This utility model provides the following technical solution: an extraction device for detecting veterinary drug residues in livestock and poultry products. In the process of use, the extraction packing is first pretreated by the treatment liquid in the storage tube, and then the sample solutions extracted multiple times are mixed by the mixing tank. After mixing, the mixture enters the elution tank through the connecting tube, so that the extraction packing adsorbs the sample solution. Finally, the extraction packing is rinsed and eluted by the liquid in the storage tube. Compared with the prior art, this device can complete the extraction process in one device, which greatly improves the extraction efficiency.

[0026] Figures 1-3 The diagram shown is a structural schematic of the first embodiment of an extraction device for detecting veterinary drug residues in livestock and poultry products according to this utility model. Please refer to [link / reference]. Figures 1-3 The extraction device for detecting veterinary drug residues in livestock and poultry products according to this embodiment includes a support frame 100 as its main body.

[0027] The support frame 100 is equipped with a mixing tank 110, a collection tank 140 and an elution tank 200. The top of the mixing tank 110 is equipped with a cover plate 120, and a mixing motor 130 is installed on the top of the cover plate 120. The bottom of the mixing tank 110 is connected to the elution tank 200 through a connecting pipe 160. The elution tank 200 is connected to the collection tank 140 through a connecting pipe 160. A fixing plate 220 is installed above the elution tank 200. An electric telescopic rod 230 is installed on the fixing plate 220. A squeezing plate 222 is connected below the electric telescopic rod 230. A liquid storage pipe 240 is installed above the fixing plate 220. A pusher rod 250 is installed on the top of the liquid storage pipe 240.

[0028] The bottom of the elution tank 200 is connected to the collection tank 140 via a connecting pipe 160, and a control valve 170 is installed on the connecting pipe 160. The collection tank 140 is provided with a drain port 150. The bottom of the elution tank 200 is connected to the wastewater tank 260 via a connecting pipe 160, and a control valve 170 is installed on the connecting pipe 160. A sleeve 221 is provided between the fixed plate 220 and the extrusion plate 222. An outlet 223 is opened at the bottom of the extrusion plate 222 and is connected to the sleeve 221. The bottom of the storage pipe 240 is connected to the inner cavity of the sleeve 221 via a flexible hose. There are multiple storage pipes, which are evenly distributed above the fixed plate 220. An extraction packing 210 is placed inside the elution tank 200.

[0029] The support frame 100 is used to connect and fix the mixing tank 110, the collection tank 140 and the fixing plate 220. The mixing tank 110 is used to mix the sample solution extracted multiple times. It includes a cover plate 120, which is used to close the top of the mixing tank 110 and support the mixing motor 130. The mixing motor 130 is used to drive the stirring rod to rotate and mix the sample solution. The collection tank 140 is used to collect the target compound after extraction. The drain port 150 is used to facilitate the discharge of liquid in the collection tank 140. The connecting pipe 160 is used to connect the mixing tank 110, the elution tube, the storage tube 240 and the wastewater tank 260, and supports the control valve 170. The control valve 170 is used to control the flow rate of the connecting pipe 160.

[0030] The elution tank 200 is used to support the extraction packing 210, the fixed plate 220 is used to support the electric telescopic rod 230, the electric telescopic rod 230 is used to drive the extrusion plate 222 to move, the extrusion plate 222 is used to extrude the fixed extraction column under the drive of the electric telescopic rod 230, the sleeve 221 is used to seal the space between the fixed plate 220 and the extrusion plate 222, the liquid outlet 223 is used to transport the liquid to the extraction packing 210, the liquid storage pipe 240 is used to store the treatment liquid for pretreatment, rinsing and elution, the liquid pusher 250 is used to squeeze out the liquid in the liquid storage pipe 240, and squeeze out the corresponding treatment liquid according to different steps, and the wastewater tank 260 is used to store the treatment liquid for pretreatment and rinsing.

[0031] First, the extraction packing material 210 is pretreated with the treatment liquid in the storage tube 240. Then, the sample solutions extracted multiple times are mixed in the mixing tank 110. After mixing, the mixture enters the elution tank 200 through the connecting tube 160, allowing the extraction packing material 210 to adsorb the sample solution. Finally, the extraction packing material 210 is rinsed and eluted with the liquid in the storage tube 240. Compared with the prior art, this device can complete the extraction process in one device, which greatly improves the extraction efficiency.

[0032] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An extraction device for detecting veterinary drug residues in livestock and poultry products, characterized in that: Includes a support frame (100); The support frame (100) is provided with a mixing tank (110), a collection tank (140) and an elution tank (200). The top of the mixing tank (110) is provided with a cover plate (120), and a mixing motor (130) is installed on the top of the cover plate (120). The bottom of the mixing tank (110) is connected to the elution tank (200) through a connecting pipe (160). The elution tank (200) is connected to the collection tank (140) through a connecting pipe (160). A fixing plate (220) is installed above the elution tank (200). An electric telescopic rod (230) is installed on the fixing plate (220). A squeezing disc (222) is connected below the electric telescopic rod (230). A liquid storage pipe (240) is installed above the fixing plate (220). A pusher rod (250) is provided on the top of the liquid storage pipe (240).

2. The extraction device for detecting veterinary drug residues in livestock and poultry products according to claim 1, characterized in that: The bottom of the elution tank (200) is connected to the collection tank (140) via a connecting pipe (160), and a control valve (170) is installed on the connecting pipe (160). The collection tank (140) is provided with a drain port (150).

3. The extraction device for detecting veterinary drug residues in livestock and poultry products according to claim 1, characterized in that: The bottom of the washing tank (200) is connected to the wastewater tank (260) via a connecting pipe (160), and a control valve (170) is installed on the connecting pipe (160).

4. An extraction device for detecting veterinary drug residues in livestock and poultry products according to claim 1, characterized in that: A sleeve (221) is provided between the fixing plate (220) and the extrusion plate (222). The bottom of the extrusion plate (222) is provided with a liquid outlet (223), which is connected to the sleeve (221).

5. An extraction device for detecting veterinary drug residues in livestock and poultry products according to claim 1, characterized in that: The bottom of the liquid storage tube (240) is connected to the inner cavity of the sleeve (221) through a flexible tube, and there are multiple liquid storage tubes (240) that are evenly distributed above the fixed plate (220).

6. An extraction device for detecting veterinary drug residues in livestock and poultry products according to claim 1, characterized in that: The elution tank (200) contains an extraction packing material (210).

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