Heavy metal detection sample pretreatment workbench

Abstract

The utility model relates to the technical field of pretreatment workbenches, in particular to a heavy metal detection sample pretreatment workbench which comprises an outer box body, a box door, a microwave digestion instrument, a rotating unit and a ventilation assembly, and the ventilation assembly comprises an air inlet pipe, a first electromagnetic valve, a fan, an air outlet pipe, a second electromagnetic valve, an activated carbon layer, a charcoal layer, a storage unit and an ultraviolet sterilizing lamp. After a period of time, a first electromagnetic valve and a second electromagnetic valve are opened, and a fan is started, so that external airflow flows into the outer box body through an air inlet pipe, the airflow in the outer box body flows out of an air outlet pipe, and toxic substances in the gas are adsorbed and filtered through an activated carbon layer and a charcoal layer; the gas is purified and then discharged from the air outlet pipe, so that the device can be used for treating the poisonous gas generated after digestion, and the influence on the body health of workers is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pretreatment workbenches, and particularly relates to a pretreatment workbench for heavy metal detection samples. Background Technique

[0002] The pretreatment workbench for heavy metal detection samples is often equipped with a microwave digestion instrument or a graphite digestion device, etc., which is used to digest the samples to release the heavy metal elements in the samples for subsequent detection.

[0003] At present, the digestion treatment is mainly carried out through a graphite digestion device or a microwave digestion instrument. The microwave digestion instrument uses the principle of microwave heating and has the advantages of fast heating speed, high digestion efficiency, and less reagent consumption. The graphite digestion device, with its high temperature resistance and corrosion resistance characteristics, is suitable for the digestion treatment of various samples.

[0004] However, a large amount of toxic gases will be generated after digestion. The current pretreatment device cannot treat the harmful gases, which will affect the physical health of the staff. Content of the Utility Model

[0005] The purpose of the utility model is to provide a pretreatment workbench for heavy metal detection samples, which solves the problems that a large amount of toxic gases will be generated after digestion in the prior art, the current pretreatment device cannot treat the harmful gases, and it will affect the physical health of the staff.

[0006] To achieve the above purpose, the utility model provides a pretreatment workbench for heavy metal detection samples, which includes an outer box body, a box door, a microwave digestion instrument, a rotating unit and a ventilation component. The ventilation component includes an air inlet pipe, a first electromagnetic valve, a fan, an air outlet pipe, a second electromagnetic valve, an activated carbon layer, a charcoal layer, a storage unit and an ultraviolet sterilization lamp. The microwave digestion instrument is arranged inside the outer box body. The box door is arranged on the front surface of the outer box body. The air inlet pipe is communicated with the left end of the outer box body. The air outlet pipe is communicated with the right end of the outer box body. The first electromagnetic valve is arranged on the air inlet pipe. The second electromagnetic valve is arranged on the air outlet pipe. The fan is arranged inside the air inlet pipe. The storage unit is arranged inside the air outlet pipe. The activated carbon layer and the charcoal layer are respectively arranged inside the storage unit. The ultraviolet sterilization lamp is arranged on the inner top wall of the outer box body.

[0007] Among them, the rotating unit includes an L-shaped plate, a motor and an L-shaped rod. The L-shaped plate is fixedly connected to the upper end of the microwave digestion instrument. The motor is fixedly connected to the upper end of the L-shaped plate. One end of the L-shaped rod is fixedly connected to the output end of the motor. The other end of the L-shaped rod is fixedly connected to the door of the microwave digestion instrument.

[0008] Among them, the pretreatment workbench for heavy metal detection samples further includes a controller, which is fixedly connected to the front end of the outer box body, and the controller is electrically connected to the blower, the first solenoid valve, the second solenoid valve, and the ultraviolet sterilization lamp respectively.

[0009] Among them, the storage unit includes a circular ring and a storage groove. The circular ring is fixedly connected to the air outlet pipe and is located inside the air outlet pipe. The storage groove is placed above the circular ring. The activated carbon layer and the charcoal layer are respectively placed inside the storage groove, and the activated carbon layer is located below the charcoal layer.

[0010] Among them, the storage unit further includes a vertical rod, and one end of the vertical rod is fixedly connected to the inner bottom wall of the storage groove.

[0011] For a pretreatment workbench for heavy metal detection samples of the present utility model, when the ultraviolet sterilization lamp is started to sterilize the toxic gas, after a period of time, the first solenoid valve and the second solenoid valve are opened, and the blower is started, so that the external air flow flows into the outer box body through the air inlet pipe, and the air flow in the outer box body flows out from the air outlet pipe, and passes through the activated carbon layer and the charcoal layer to adsorb and filter the toxic substances in the gas, so that the gas is purified and discharged from the air outlet pipe. Thus, the device can treat the toxic gas generated after digestion and avoid affecting the health of the staff. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art.

[0013] Figure 1 is the overall structural schematic diagram of the present utility model.

[0014] Figure 2 is the left view of the overall structure of the present utility model.

[0015] Figure 3 is the Figure 2 cross-sectional view taken along line A-A of the present utility model.

[0016] Figure 4 is the Figure 2 cross-sectional view taken along line B-B of the present utility model.

[0017] 101 - Outer box body, 102 - Box door, 103 - Microwave digestion instrument, 104 - Controller, 105 - Air inlet pipe, 106 - First solenoid valve, 107 - Fan, 108 - Air outlet pipe, 109 - Second solenoid valve, 110 - Activated carbon layer, 111 - Charcoal layer, 112 - Ultraviolet sterilization lamp, 113 - L-shaped plate, 114 - Motor, 115 - L-shaped rod, 116 - Ring, 117 - Storage groove, 118 - Vertical rod. Specific embodiments

[0018] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0019] Please refer to Figures 1 to 4 , wherein, Figure 1 is the overall structural schematic diagram of the present invention, Figure 2 is the left view of the overall structure of the present invention, Figure 3 is the Figure 2 A-A line cross-sectional view of the present invention, Figure 4 is the Figure 2 B-B line cross-sectional view of the present invention.

[0020] The present invention provides a pre-treatment workbench for heavy metal detection samples, including an outer box body 101, a box door 102, a microwave digestion instrument 103, a rotation unit, a ventilation component, and a controller 104. The ventilation component includes an air inlet pipe 105, a first solenoid valve 106, a fan 107, an air outlet pipe 108, a second solenoid valve 109, an activated carbon layer 110, a charcoal layer 111, a storage unit, and an ultraviolet sterilization lamp 112. The rotation unit includes an L-shaped plate 113, a motor 114, and an L-shaped rod 115. The storage unit includes a ring 116, a storage groove 117, and a vertical rod 118.

[0021] For this specific embodiment, start the ultraviolet sterilization lamp 112 to sterilize the toxic gas. After a period of time, open the first solenoid valve 106 and the second solenoid valve 109, and start the fan 107, so that the external air flow flows into the outer box body 101 through the air inlet pipe 105, and the air flow in the outer box body 101 flows out from the air outlet pipe 108 and passes through the activated carbon layer 110 and the charcoal layer 111 to adsorb and filter the toxic substances in the gas, so that the gas is purified and discharged from the air outlet pipe 108. Thus, the device can treat the toxic gas generated after digestion and avoid affecting the health of the staff.

[0022] Among them, the microwave digestion instrument 103 is arranged inside the outer box body 101, the box door 102 is arranged on the front surface of the outer box body 101, the air inlet pipe 105 is communicated with the left end of the outer box body 101, the air outlet pipe 108 is communicated with the right end of the outer box body 101, the first electromagnetic valve 106 is arranged on the air inlet pipe 105, the second electromagnetic valve 109 is arranged on the air outlet pipe 108, the fan 107 is arranged inside the air inlet pipe 105, the storage unit is arranged inside the air outlet pipe 108, the activated carbon layer 110 and the charcoal layer 111 are respectively arranged inside the storage unit, and the ultraviolet sterilization lamp 112 is arranged on the inner top wall of the outer box body 101. Start the ultraviolet sterilization lamp 112 to sterilize the toxic gas. After a period of time, open the first electromagnetic valve 106 and the second electromagnetic valve 109, and start the fan 107, so that the external air flow flows into the outer box body 101 through the air inlet pipe 105, the air flow inside the outer box body 101 flows out from the air outlet pipe 108, and passes through the activated carbon layer 110 and the charcoal layer 111 to adsorb and filter the toxic substances in the gas, so that the gas is purified and discharged from the air outlet pipe 108. Thus, the device can treat the toxic gas generated after digestion and avoid affecting the health of the staff.

[0023] Secondly, the L-shaped plate 113 is fixedly connected to the upper end of the microwave digestion instrument 103, the motor 114 is fixedly connected to the upper end of the L-shaped plate 113, one end of the L-shaped rod 115 is fixedly connected to the output end of the motor 114, and the other end of the L-shaped rod 115 is fixedly connected to the door of the microwave digestion instrument 103. Before digesting the sample, the reagent and the sample are put into the detection tank by the staff, then the door of the microwave digestion instrument 103 is opened, the detection tank is placed inside, the microwave digestion instrument 103 is started to digest the sample. After digestion is completed, when the toxic gas inside the outer box body 101 is purified and discharged, the output end of the motor 114 drives the L-shaped rod 115 to rotate, and then the L-shaped rod 115 drives the door of the microwave digestion instrument 103 to rotate, so as to open the door, and the toxic gas inside the microwave digestion instrument 103 is also quickly purified and discharged.

[0024] At the same time, the controller 104 is fixedly connected to the front end of the outer box body 101, and the controller 104 is electrically connected to the fan 107, the first electromagnetic valve 106, the second electromagnetic valve 109 and the ultraviolet sterilization lamp 112 respectively. Through the control of the controller 104, it is convenient for the staff to control the first electromagnetic valve 106, the second electromagnetic valve 109, the motor 114 and the fan 107.

[0025] In addition, the circular ring 116 is fixedly connected to the air outlet pipe 108 and is located inside the air outlet pipe 108. The storage groove 117 is placed above the circular ring 116. The activated carbon layer 110 and the charcoal layer 111 are respectively placed inside the storage groove 117, and the activated carbon layer 110 is located below the charcoal layer 111. One end of the vertical rod 118 is fixedly connected to the inner bottom wall of the storage groove 117. The storage groove 117 is designed with a hollow grid. After the activated carbon layer 110 and the charcoal layer 111 complete the filtration, the storage groove 117 can be pulled out of the air outlet pipe 108 by pulling the vertical rod 118 outwards, which is convenient for the staff to replace the used activated carbon layer 110 and charcoal layer 111.

[0026] When using the pretreatment workbench for heavy metal detection samples of the present utility model, start the ultraviolet sterilization lamp 112 to sterilize toxic gases. After a period of time, open the first solenoid valve 106 and the second solenoid valve 109, and start the fan 107, so that the external air flow flows into the outer box 101 through the air inlet pipe 105, and the air flow in the outer box 101 flows out from the air outlet pipe 108 and passes through the activated carbon layer 110 and the charcoal layer 111 to adsorb and filter the toxic substances in the gas, and the gas is purified and discharged from the air outlet pipe 108. Thus, the device can treat the toxic gases generated after digestion and avoid affecting the health of the staff. When the toxic gases in the outer box 101 are purified and discharged, the output end of the motor 114 drives the L-shaped rod 115 to rotate, and then the L-shaped rod 115 drives the door of the microwave digestion instrument 103 to rotate, so as to open the door, and the toxic gases in the microwave digestion instrument 103 are also quickly purified and discharged. Through the control of the controller 104, it is convenient for the staff to control the first solenoid valve 106, the second solenoid valve 109, the motor 114 and the fan 107. The storage groove 117 is designed with a hollow grid. After the activated carbon layer 110 and the charcoal layer 111 complete the filtration, the storage groove 117 can be pulled out of the air outlet pipe 108 by pulling the vertical rod 118 outwards, which is convenient for the staff to replace the used activated carbon layer 110 and charcoal layer 111.

[0027] The above-disclosed are only one or more preferred embodiments of the present application, and the scope of rights of the present application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A heavy metal detection sample pretreatment workbench, characterized in that it includes an outer box body, a box door, a microwave digestion instrument, a rotating unit and a ventilation component; The ventilation component includes an air inlet pipe, a first solenoid valve, a fan, an air outlet pipe, a second solenoid valve, an activated carbon layer, a charcoal layer, a storage unit and an ultraviolet sterilization lamp. The microwave digestion instrument is arranged inside the outer box body, the box door is arranged on the front surface of the outer box body, the air inlet pipe is communicated with the left end of the outer box body, the air outlet pipe is communicated with the right end of the outer box body, the first solenoid valve is arranged on the air inlet pipe, the second solenoid valve is arranged on the air outlet pipe, the fan is arranged inside the air inlet pipe, the storage unit is arranged inside the air outlet pipe, the activated carbon layer and the charcoal layer are respectively arranged inside the storage unit, and the ultraviolet sterilization lamp is arranged on the inner top wall of the outer box body.

2. The heavy metal detection sample pretreatment workbench according to claim 1, characterized in that the rotating unit includes an L-shaped plate, a motor and an L-shaped rod. The L-shaped plate is fixedly connected to the upper end of the microwave digestion instrument, the motor is fixedly connected to the upper end of the L-shaped plate, one end of the L-shaped rod is fixedly connected to the output end of the motor, and the other end of the L-shaped rod is fixedly connected to the door of the microwave digestion instrument.

3. The heavy metal detection sample pretreatment workbench according to claim 2, characterized in that the heavy metal detection sample pretreatment workbench further includes a controller, the controller is fixedly connected to the front end of the outer box body, and the controller is electrically connected to the fan, the first solenoid valve, the second solenoid valve and the ultraviolet sterilization lamp respectively.

4. The heavy metal detection sample pretreatment workbench according to claim 3, characterized in that the storage unit includes a circular ring and a storage groove. The circular ring is fixedly connected to the air outlet pipe and is located inside the air outlet pipe. The storage groove is placed above the circular ring. The activated carbon layer and the charcoal layer are respectively placed inside the storage groove, and the activated carbon layer is located below the charcoal layer.

5. The heavy metal detection sample pretreatment workbench according to claim 4, characterized in that the storage unit further includes a vertical rod, and one end of the vertical rod is fixedly connected to the inner bottom wall of the storage groove.

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