Metal detection pretreatment device

Abstract

The utility model provides a pretreatment device for metal detection, and relates to the technical field of metal detection treatment, the pretreatment device comprises a work box and a treatment mechanism, one side of the work box is fixedly connected with a control panel, through the arrangement of the treatment mechanism, when the pretreatment device is used, the design of a protection assembly is adopted, and the opening and closing of a protection plate are controlled by moving a gear; the safety of operators is effectively guaranteed, accidental injury in the treatment process is prevented, the treatment assembly has multiple functions of sample cleaning, microwave digestion, pressure control, waste liquid recovery and the like, efficient automation of sample pretreatment is achieved, the working efficiency is remarkably improved, the waste liquid recovery assembly adopts a multi-stage treatment process, and the treatment cost is reduced. Comprising the steps of filtration, neutralization, precipitation, ion exchange and the like, waste liquid is recycled and treated to the maximum extent, resources are saved, environmental pollution is reduced, the air drying assembly can rapidly remove residual moisture after sample treatment, it is ensured that the sample state is suitable for subsequent metal detection, and the detection process is further optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of metal detection processing, in particular to a metal detection pre-processing device. Background Art

[0002] The metal detection pretreatment device is a key equipment specially used for necessary pretreatment of metal or metal-containing samples before formal testing. Its main functions include: first, cleaning and purifying the sample surface to eliminate the influence of dirt, oxide layer and non-metallic impurities to ensure direct detection of the metal essence; second, transforming the sample into a different form according to the detection requirements to adapt it to different detection instruments; third, purifying and enriching trace metals through chemical methods to effectively separate the target metal from the complex matrix; fourth, removing impurities that may interfere with the test results; fifth, protecting certain precision testing equipment, requiring that the sample must first undergo specific pretreatment to avoid damage to the equipment. For example, some pretreatment devices are specially designed for the digestion of solid insoluble metal elements, promoting the dissolution of elements by precisely controlling factors such as temperature and acidity, and monitoring the digestion process in real time to ensure that the sample is suitable for subsequent quantitative analysis of metal elements.

[0003] After searching, the patent number "CN218349952U" mentioned in the text that "the utility model relates to the field of metal detection and processing, and discloses a precious metal detection and processing, including a cleaning box, a first electric door is provided in the middle and upper part of the right end of the cleaning box, and the four corners of the bottom end of the cleaning box are fixedly connected with supports, and the middle part of the front side of the cleaning box is fixedly connected with an observation window, and the middle part of the upper end of the cleaning box is fixedly connected with a digestion box, and the upper right side of the cleaning box is fixedly connected with a water tank, and the middle parts of the upper ends of the digestion box and the water tank are fixedly connected with a box cover, and the rear right side of the cleaning box is fixedly connected with a heating fan. In the utility model, the precious metal is placed on the placement plate, and the first control valve puts the digestion solution into the digestion working The first control valve puts the digestion solution into the digestion working box to clean the stains and impurities on the surface of the precious metal, and then the second control valve makes the second connecting pipe spray the water in the water tank to rinse the digestion solution on the surface of the precious metal, and finally the hot air blower blows the water stains on the surface of the precious metal dry. When in use, the precious metal is placed on the placement plate, and the first control valve puts the digestion solution into the digestion working box to clean the stains and impurities on the surface of the precious metal, and then the second control valve makes the second connecting pipe spray the water in the water tank to rinse the digestion solution on the surface of the precious metal, and finally the hot air blower blows the water stains on the surface of the precious metal dry. However, after the above device cleans the metal, the waste liquid after cleaning cannot be directly discharged because it contains metal substances, which will cause a waste of precious resources.

[0004] Therefore, we provide a metal detection pre-processing device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a metal detection pre-processing device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a metal detection pre-processing device, comprising a working box and a processing mechanism, one side of the working box is fixedly connected to a control panel, and one end of the working box is fixedly connected to the processing mechanism;

[0007] The processing mechanism includes a protective component, a working bin component, a processing component, a waste liquid recovery component and an air-drying component. One end of the working box is fixedly connected to the protective component, the inner side of the working box is fixedly connected to the working bin component, the upper end of the working bin component is fixedly connected to the processing component, the inner side of the working bin component is fixedly installed with a waste liquid recovery component, and the inner wall of the working box is fixedly installed with an air-drying component.

[0008] Preferably, the protection assembly includes a slide, a movable gear and a protection plate, one end of the working box is fixedly connected to the slide, a movable gear is arranged above the slide, and one side of the movable gear is meshingly connected to the protection plate.

[0009] Preferably, the working bin assembly comprises a working bin body and a partition, the working bin body is fixedly connected to the inner side of the working box, and the partition is slidably connected to one side of the working bin body.

[0010] Preferably, the processing assembly includes a digestion tank, a water tank, a pressure relief device, a cleaning nozzle, a digestion nozzle and a microwave generator, the upper end of the working chamber body is fixedly connected to the digestion tank, a water tank is provided on one side of the digestion tank, the outer side of the working chamber body is fixedly connected to the pressure relief device, the inner upper end of the working chamber body is fixedly connected to the cleaning nozzle, the outer side of the cleaning nozzle is provided with a digestion nozzle, and the inner wall of the working chamber body is fixedly connected to the microwave generator.

[0011] Preferably, the waste liquid recovery component includes a carrying bin, a leak plate, a push rod, a filter plate, a temporary storage bin, an acid-base neutralization reaction tank, a heavy metal precipitation reaction tank, an ion exchange column and a recovery bin, a carrying bin is arranged on the inner side of the working bin body, a leak plate is arranged below the carrying bin, a push rod is arranged on the outer side of the carrying bin, a filter plate is arranged below the leak plate, a temporary storage bin is arranged below the filter plate, one side of the temporary storage bin is connected to the acid-base neutralization reaction tank through a pipeline, the other side of the acid-base neutralization reaction tank is connected to the heavy metal precipitation reaction tank through a pipeline, the other side of the heavy metal precipitation reaction tank is connected to the ion exchange column through a pipeline, and the other side of the ion exchange column is provided with a recovery bin.

[0012] Preferably, the air-drying component includes a connecting plate, a bellows and an air cylinder, the inner upper end of the working box is fixedly connected to the connecting plate, the inner side of the connecting plate is fixedly connected to the bellows, and the lower end of the connecting plate is fixedly connected to the air cylinder.

[0013] Preferably, a transmission component is provided on one side of the partition, and the transmission component includes a pillar, a roller, a conveyor belt and a protective door. A pillar is provided on one side of the partition, a roller is provided on the upper end of the pillar, a conveyor belt is sleeved on the surface of the roller, and a protective door is provided at the other end of the work box.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Through the setting of the transmission component, the automatic transmission of samples in the working box is realized during use, which reduces manual operation, reduces labor intensity, and improves the overall speed and accuracy of sample processing. The transmission belt cooperates with the push rod so that the samples can enter the air-drying stage in an orderly manner after completing the pretreatment, and then be safely taken out through the protective door, making the entire workflow more coherent and smooth. The design of the protective door ensures the safety of operators when samples enter and exit the working box, and prevents risks caused by operational errors.

[0016] 2. Through the setting of the processing mechanism, when in use, the design of the protective component is adopted. The opening and closing of the protective plate is controlled by moving the gear, which effectively ensures the safety of the operator and prevents accidental injury during the processing process. The processing component covers multiple functions such as sample cleaning, microwave digestion, pressure control, and waste liquid recovery, realizing efficient automation of sample pretreatment and significantly improving work efficiency. The waste liquid recovery component adopts a multi-stage treatment process, including filtration, neutralization, precipitation and ion exchange steps, to maximize the recovery and treatment of waste liquid, which not only saves resources but also reduces environmental pollution. The air drying component can quickly remove residual moisture after sample processing to ensure that the sample state is suitable for subsequent metal detection and further optimize the detection process. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a schematic diagram of the overall rear structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall internal structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0021] Numbers in the figure: 1, working box; 2, control panel; 3, processing mechanism; 31, protection component; 311, slide; 312, moving gear; 313, protection plate; 32, working chamber component; 321, working chamber body; 322, partition; 33, processing component; 331, digestion tank; 332, water tank; 333, pressure relief device; 334, cleaning nozzle; 335, digestion nozzle; 336, microwave generator; 34, waste liquid Recovery component; 341, carrying bin; 342, leak plate; 343, push rod; 344, filter plate; 345, temporary storage bin; 346, acid-base neutralization reaction tank; 347, heavy metal precipitation reaction tank; 348, ion exchange column; 349, recovery bin; 35, air drying component; 351, connecting plate; 352, bellows; 353, air cylinder; 4, transmission component; 41, pillar; 42, roller; 43, conveyor belt; 44, protective door. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1-4 As shown, the utility model provides a technical solution: a metal detection pre-processing device, comprising a working box 1 and a processing mechanism 3, a control panel 2 is fixedly connected to one side of the working box 1, and a processing mechanism 3 is fixedly connected to one end of the working box 1;

[0025] The processing mechanism 3 includes a protection component 31, a working chamber component 32, a processing component 33, a waste liquid recovery component 34 and an air-drying component 35. The protection component 31 is fixedly connected to one end of the working box 1, the working chamber component 32 is fixedly connected to the inner side of the working box 1, the processing component 33 is fixedly connected to the upper end of the working chamber component 32, the waste liquid recovery component 34 is fixedly installed on the inner side of the working chamber component 32, and the air-drying component 35 is fixedly installed on the inner wall of the working box 1.

[0026] Furthermore, the protection component 31 includes a slide 311, a moving gear 312 and a protection plate 313. One end of the working box 1 is fixedly connected to the slide 311, a moving gear 312 is arranged above the slide 311, and one side of the moving gear 312 is meshingly connected to the protection plate 313. The protection component 31 is composed of the slide 311, the moving gear 312 and the protection plate 313. The protection plate 313 is controlled to move on the slide 311 by the moving gear 312 to realize the opening and closing and protection of the working area, thereby ensuring safe operation.

[0027] Furthermore, the working bin assembly 32 includes a working bin body 321 and a partition 322. The working bin body 321 is fixedly connected to the inner side of the working box 1, and the partition 322 is slidably connected to one side of the working bin body 321. The working bin assembly 32 includes a working bin body 321 and a slidable partition 322. The working bin body 321 serves as the main working area, and the partition 322 can flexibly adjust the closure of the space inside the working bin.

[0028] Furthermore, the processing component 33 includes a digestion tank 331, a water tank 332, a pressure relief device 333, a cleaning nozzle 334, a digestion nozzle 335 and a microwave generator 336. The upper end of the working chamber body 321 is fixedly connected to the digestion tank 331, a water tank 332 is provided on one side of the digestion tank 331, the outer side of the working chamber body 321 is fixedly connected to the pressure relief device 333, the inner upper end of the working chamber body 321 is fixedly connected to the cleaning nozzle 334, the outer side of the cleaning nozzle 334 is provided with a digestion nozzle 335, and the inner wall of the working chamber body 321 is fixedly connected to the microwave generator 336. The processing component 33 is used for sample pretreatment operations, specifically including the digestion tank 331 for microwave digestion of metal samples, the water tank 332 provides a water source, the pressure relief device 333 ensures the safety of the digestion process, the cleaning nozzle 334 performs sample cleaning, the digestion nozzle 335 sprays a digestant, and the microwave generator 336 provides energy for the digestion process.

[0029] Furthermore, the waste liquid recovery component 34 includes a carrying bin 341, a leak plate 342, a push rod 343, a filter plate 344, a temporary storage bin 345, an acid-base neutralization reaction tank 346, a heavy metal precipitation reaction tank 347, an ion exchange column 348 and a recovery bin 349. The carrying bin 341 is arranged on the inner side of the working bin body 321, the leak plate 342 is arranged below the carrying bin 341, the push rod 343 is arranged on the outer side of the carrying bin 341, the filter plate 344 is arranged below the leak plate 342, and the temporary storage bin 345 is arranged below the filter plate 344. One side of the temporary storage bin 345 is connected to the acid-base neutralization reaction tank 346 through a pipeline, and the other side of the acid-base neutralization reaction tank 346 is connected to the acid-base neutralization reaction tank 346. A heavy metal precipitation reaction tank 347 is connected to one side through a pipeline, and an ion exchange column 348 is connected to the other side of the heavy metal precipitation reaction tank 347 through a pipeline. A recovery bin 349 is arranged on the other side of the ion exchange column 348. The waste liquid recovery component 34 is used to collect, process and recycle the waste liquid. The carrying bin 341 is used to receive the waste liquid, the leak plate 342 performs preliminary filtration, the push rod 343 assists in conveying, and the filter plate 344 further separates the solid and the liquid. Subsequently, the waste liquid enters the acid-base neutralization reaction tank 346, the heavy metal precipitation reaction tank 347, and the ion exchange column 348 through the temporary storage bin 345 for step-by-step treatment, and is finally recovered to the recovery bin 349, so as to achieve the purpose of environmental protection and resource recovery.

[0030] Furthermore, the air-drying component 35 includes a connecting plate 351, a bellows 352 and an air cylinder 353. The inner upper end of the working box 1 is fixedly connected with the connecting plate 351, the inner side of the connecting plate 351 is fixedly connected with the bellows 352, and the lower end of the connecting plate 351 is fixedly connected with the air cylinder 353. The air-drying component 35 consists of the connecting plate 351, the bellows 352 and the air cylinder 353, and is used for air-drying the sample after processing to remove residual moisture and prepare for subsequent testing.

[0031] Embodiment 2

[0032] See also Figure 2 , Figure 3 and Figure 4 As shown, in contrast to Example 1, as another implementation of the utility model, a transmission component 4 is provided on one side of the partition 322, and the transmission component 4 includes a pillar 41, a roller 42, a conveyor belt 43 and a protective door 44. A pillar 41 is provided on one side of the partition 322, a roller 42 is provided on the upper end of the pillar 41, and a conveyor belt 43 is sleeved on the surface of the roller 42. A protective door 44 is provided at the other end of the work box 1. This component can realize the automatic transmission of samples in the work box 1, thereby improving work efficiency. At the same time, the protective door 44 ensures safety during operation.

[0033] Working principle: First, a metal detection pre-treatment device is moved to the working position. When in use, the first step is that the operator starts the device through the control panel 2 and sets the relevant parameters, and then controls the protective plate 313 to open along the slide 311 through the moving gear 312 of the protective component 31 to ensure that the working area is open and the sample can be safely placed in the working chamber body 321. After the sample processing is completed, the protective plate 313 is closed again to ensure safe operation. The second step is to place the sample in the carrying chamber 341 of the working chamber body 321, and the cleaning nozzle 334 sprays water to clean the sample. In the digestion tank 331, the sample is digested by microwave under the action of microwave energy provided by the microwave generator 336. The water tank 332 provides a water source to support the digestion process. The pressure relief device 333 ensures that the pressure during the digestion process is safe and controllable. The digestion nozzle 33 5 Spray the digester at the right time. In the third step, the cleaned liquid is initially filtered through the leak plate 342, flows to the filter plate 344 to further separate the solid and liquid, and then enters the temporary storage bin 345. Then the waste liquid is neutralized in the acid-base neutralization reaction tank 346, and then heavy metals are precipitated in the heavy metal precipitation reaction tank 347, and then ions are separated through the ion exchange column 348. Finally, the treated waste liquid is recovered to the recovery bin 349 to achieve environmental protection and resource recycling. In the fourth step, the cleaned sample will be pushed to the surface of the conveyor belt 43 by the push rod 343 for transmission. The air drying component 35 at the upper end starts to work. The wind generated by the bellows 352 blows to the sample through the wind tube 353 to remove residual moisture and provide a dry sample for subsequent detection. Then it is taken out through the protective door 44. In this way, the use process of a metal detection pre-treatment device is completed.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal detection pre-processing device, comprising a working box (1) and a processing mechanism (3), characterized in that: A control panel (2) is fixedly connected to one side of the working box (1), and a processing mechanism (3) is fixedly connected to one end of the working box (1); The processing mechanism (3) comprises a protection component (31), a working chamber component (32), a processing component (33), a waste liquid recovery component (34) and an air drying component (35); one end of the working chamber (1) is fixedly connected to the protection component (31); the inner side of the working chamber component (32) is fixedly connected to the working chamber component (32); the upper end of the working chamber component (32) is fixedly connected to the processing component (33); the inner side of the working chamber component (32) is fixedly installed with a waste liquid recovery component (34); and the inner wall of the working chamber component (1) is fixedly installed with the air drying component (35).

2. A metal detection pre-processing device according to claim 1, characterized in that: The protection assembly (31) comprises a slideway (311), a moving gear (312) and a protection plate (313); one end of the working box (1) is fixedly connected to the slideway (311); a moving gear (312) is arranged above the slideway (311); and one side of the moving gear (312) is meshedly connected to the protection plate (313).

3. A metal detection pre-processing device according to claim 1, characterized in that: The working bin assembly (32) comprises a working bin body (321) and a partition (322); the working bin body (321) is fixedly connected to the inner side of the working box (1), and the partition (322) is slidably connected to one side of the working bin body (321).

4. A metal detection pre-processing device according to claim 3, characterized in that: The processing assembly (33) comprises a digestion tank (331), a water tank (332), a pressure relief device (333), a cleaning nozzle (334), a digestion nozzle (335) and a microwave generator (336); the upper end of the working chamber body (321) is fixedly connected to the digestion tank (331); a water tank (332) is provided on one side of the digestion tank (331); the outer side of the working chamber body (321) is fixedly connected to the pressure relief device (333); the inner upper end of the working chamber body (321) is fixedly connected to the cleaning nozzle (334); the outer side of the cleaning nozzle (334) is provided with a digestion nozzle (335); and the inner wall of the working chamber body (321) is fixedly connected to the microwave generator (336).

5. A metal detection pre-processing device according to claim 4, characterized in that: The waste liquid recovery component (34) comprises a bearing bin (341), a leak plate (342), a push rod (343), a filter plate (344), a temporary storage bin (345), an acid-base neutralization reaction tank (346), a heavy metal precipitation reaction tank (347), an ion exchange column (348) and a recovery bin (349), wherein the bearing bin (341) is arranged on the inner side of the working bin body (321), the leak plate (342) is arranged below the bearing bin (341), the push rod (343) is arranged on the outer side of the bearing bin (341), and the leak plate (342) is arranged below the bearing bin (341). A filter plate (344) is arranged below the plate (342), and a temporary storage bin (345) is arranged below the filter plate (344). One side of the temporary storage bin (345) is connected to an acid-base neutralization reaction tank (346) through a pipeline, and the other side of the acid-base neutralization reaction tank (346) is connected to a heavy metal precipitation reaction tank (347) through a pipeline. The other side of the heavy metal precipitation reaction tank (347) is connected to an ion exchange column (348) through a pipeline, and a recovery bin (349) is arranged on the other side of the ion exchange column (348).

6. A metal detection pre-processing device according to claim 1, characterized in that: The air-drying component (35) comprises a connecting plate (351), a bellows (352) and a wind tube (353); the inner upper end of the working box (1) is fixedly connected to the connecting plate (351); the inner side of the connecting plate (351) is fixedly connected to the bellows (352); and the lower end of the connecting plate (351) is fixedly connected to the wind tube (353).

7. A metal detection pre-processing device according to claim 3, characterized in that: A transmission component (4) is arranged on one side of the partition (322), and the transmission component (4) includes a pillar (41), a roller (42), a conveyor belt (43) and a protective door (44). A pillar (41) is arranged on one side of the partition (322), a roller (42) is arranged at the upper end of the pillar (41), and a conveyor belt (43) is sleeved on the surface of the roller (42). A protective door (44) is arranged at the other end of the working box (1).

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