An acid digestion device for geological sample testing

Abstract

This utility model discloses an acid digestion device for geological sample testing, relating to the technical field of digestion devices. It includes a digestion chamber with a door movably connected to its front end, and a hinge installed on one side of the door. A servo motor is detachably connected to the front end of the digestion chamber, and a threaded rod is detachably connected to the output shaft of the servo motor. Two rectangular slots are symmetrically formed at the bottom of the digestion chamber, and guide rods are fixedly connected to each slot. Moving blocks are fitted onto the threaded rods and the outer surfaces of the two rectangular slots. A first connecting plate is fixedly connected to the upper end of multiple moving blocks. This utility model's acid digestion device for geological sample testing solves the problem of narrow operating space within the chamber by using a servo motor-driven in-and-out structure, reducing the risk of acid contact. Precise positioning of the heating tank improves digestion efficiency. The activated carbon layer and fan form a waste gas treatment system, avoiding pollution and health hazards, and the activated carbon layer is easy to remove and replace.

Description

Technical Field

[0001] This utility model relates to the field of digestion device technology, and in particular to an acid digestion device for geological sample testing. Background Technology

[0002] Existing acid digestion devices for geological samples require samples to be placed and removed within a closed chamber during operation. This limited space can easily lead to acid splashing, posing a safety hazard. Furthermore, the heating tank and digestion tubes have poor compatibility, often resulting in localized overheating or insufficient heating, leading to incomplete sample digestion. Simultaneously, the acidic waste gas generated during digestion lacks effective treatment, directly leaking and polluting the environment. Moreover, the waste gas purification components are complex to disassemble and assemble, and time-consuming to replace and maintain, failing to meet the requirements for efficient and safe geological sample pretreatment and causing certain adverse effects on users. To address the shortcomings of existing technologies, we propose an acid digestion device for geological sample pretreatment. Utility Model Content

[0003] The main objective of this invention is to provide an acid digestion device for geological sample testing, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A digestion device for geological sample testing includes a digestion chamber with a door movably connected to its front end. A hinge is installed between the digestion chamber and the door. A servo motor is detachably connected to the front end of the digestion chamber, and a threaded rod is detachably connected to the output shaft of the servo motor. Two rectangular slots are symmetrically formed at the bottom of the digestion chamber, each containing a guide rod. Moving blocks are fitted onto the threaded rod and the outer surfaces of the two rectangular slots. A first connecting plate is fixedly connected to the upper ends of multiple moving blocks, and a support frame and an electric heating platform are fixedly connected to the upper ends of the first connecting plate. Multiple digestion tubes are inserted into the support frame. Heating grooves corresponding to the multiple digestion tubes are formed on the surface of the electric heating platform. A connecting box is fixedly connected to the top of the digestion chamber. Guide rails are fixedly connected to the inner surfaces of both ends of the connecting box, and an activated carbon layer is slidably connected inside the connecting box. Sliding grooves are formed at both ends of the activated carbon layer. A second connecting plate is fixedly connected to one side of the activated carbon layer, and a handle is fixedly connected to one side of the second connecting plate. Multiple fans are detachably embedded in the top of the connecting box.

[0005] Preferably, the servo motor is detachably connected to the front end of the digestion box via bolts, and the output shaft of the servo motor is detachably connected to a threaded rod via a coupling. The end of the threaded rod away from the servo motor is rotatably connected to the inner wall of the digestion box via a bearing.

[0006] Preferably, one of the movable blocks has a threaded hole adapted to the threaded rod, and the other two movable blocks have through holes adapted to the guide rod. One of the movable blocks is threadedly connected to the threaded rod through the threaded hole, and the other two movable blocks are slidably connected to the guide rod through the through holes.

[0007] Preferably, the support frame has multiple evenly distributed placement holes, the inner diameter of which is adapted to the outer diameter of the digestion tube. The digestion tube is movably connected to the support frame through the placement holes. The number of heating tanks is the same as the number of placement holes, and the inner diameter of the heating tank is larger than the outer diameter of the digestion tube.

[0008] Preferably, the cross-sectional shape of the sliding groove is adapted to the cross-sectional shape of the guide rail, the activated carbon layer is slidably connected to the guide rail through the sliding groove, and the outer contour dimension of the activated carbon layer is adapted to the internal dimension of the connecting box.

[0009] Preferably, the top of the connecting box has multiple mounting holes, the size of which is adapted to the size of the fan. The fan can be detachably embedded in the top of the connecting box through the mounting holes, with the air inlet of the fan facing the inside of the connecting box and the air outlet of the fan facing the external environment.

[0010] Compared with the prior art, the present invention has the following beneficial effects: This acid digestion device for geological sample testing uses a servo motor-driven threaded rod in conjunction with a guide rod to move the support frame and electric heating platform into and out of the digestion chamber as a whole. This solves the problem of narrow operating space inside traditional devices, allowing operators to easily pick up and put down samples from outside the chamber, reducing the risk of acid contact. At the same time, the heating tank and digestion tube are precisely aligned to ensure uniform heating, improve digestion efficiency, reduce sample processing time, and optimize operational safety and convenience.

[0011] This acid digestion device for geological sample testing forms a waste gas treatment system by connecting the activated carbon layer inside the box with the top fan. The fan can quickly extract the acidic waste gas generated during digestion, which is then purified by the activated carbon layer before being discharged. This effectively avoids waste gas leakage that pollutes the environment and harms the health of operators. The activated carbon layer adopts a guide rail sliding connection design, which can be easily pulled out and replaced by a handle, ensuring the long-term adsorption effect and significantly improving maintenance convenience, thus meeting the long-term and stable environmental protection treatment needs. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the digestion box of this utility model; Figure 3 This is a partial structural schematic diagram of the present invention; Figure 4This is a schematic diagram of the internal structure of the connector box of this utility model.

[0013] In the diagram: 1. Digestion chamber; 2. Chamber door; 3. Hinge; 4. Servo motor; 5. Threaded rod; 6. Rectangular groove; 7. Guide rod; 8. Moving block; 9. First connecting plate; 10. Support frame; 11. Electric heating table; 12. Digestion tube; 13. Heating tank; 14. Connecting box; 15. Guide rail; 16. Activated carbon layer; 17. Sliding groove; 18. Second connecting plate; 19. Handle; 20. Fan. Detailed Implementation

[0014] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0015] Example 1, as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, an acid digestion device for geological sample testing includes a digestion chamber 1. The front end of the digestion chamber 1 is movably connected to a door 2 via a hinge 3. The hinge 3 is fixed to the sides of both the digestion chamber 1 and the door 2 to open and close the door 2. A servo motor 4 is detachably connected to the front end of the digestion chamber 1 via bolts. Its output shaft is detachably connected to a threaded rod 5 via a coupling. The end of the threaded rod 5 away from the servo motor 4 is rotatably connected to the inner wall of the digestion chamber 1 via a bearing. Two rectangular slots symmetrically opened at the bottom of the digestion chamber 1 each contain a guide rod 7. Moving blocks 8 are fitted onto the outer surfaces of the threaded rod 5 and the two guide rods 7. One moving block 8 is threadedly connected to the threaded rod 5 through an internal threaded hole, and the other two moving blocks 8 are slidably connected to the guide rods 7 through internal through holes. A first connecting plate 9 is fixedly connected to the upper ends of the multiple moving blocks 8. The upper end of the plate 9 is fixedly connected to the support frame 10 and the electric heating table 11. The support frame 10 has multiple evenly distributed placement holes. The digestion tube 12 is movably connected to the support frame 10 through the placement holes. The surface of the electric heating table 11 has heating grooves 13 corresponding to the digestion tube 12, and the number of heating grooves 13 is the same as the number of placement holes. The top of the digestion box 1 is fixedly connected to the connecting box 1. The inner surfaces of the front and rear ends of the connecting box 14 are fixed with guide rails 15. The activated carbon layer 16 is slidably connected to the guide rails 15 through the sliding grooves 17 at the front and rear ends. Its outer contour size is adapted to the internal size of the connecting box 14. A second connecting plate 18 is fixed to one side of the activated carbon layer 16, and a handle 19 is fixed to one side of the second connecting plate 18. Multiple fans 20 are detachably embedded in the top of the connecting box 14 through the mounting holes. The air inlet of the fans 20 faces the inside of the connecting box 14, and the air outlet faces the external environment.

[0016] It should be noted that this utility model is an acid digestion device for geological sample testing. In use, the servo motor 4 is first started to drive the threaded rod 5 to rotate forward. Under the guidance of the guide rod 7, the moving block 8 drives the first connecting plate 9, support frame 10, and electric heating stage 11 to extend from the front end of the digestion box 1, facilitating sample placement by the operator. The geological sample to be digested and the acid solution are added to the digestion tube 12. The digestion tube 12 is then inserted through the placement hole on the support frame 10, aligning the lower end of the digestion tube 12 with the heating groove 13 on the electric heating stage 11. After placement, the servo motor 4 is controlled to rotate in the reverse direction, driving the first connecting plate 9... The support frame 10 and the electric heating stage 11 are retracted into the digestion chamber 1, and then the chamber door 2 is closed. At this time, the electric heating stage 11 is turned on to heat and digest the sample in the digestion tube 12. At the same time, the fan 20 is started. The fan 20 draws the waste gas generated during the digestion process into the connection box 14. The waste gas is discharged after being adsorbed and purified by the activated carbon layer 16. After digestion is completed, the electric heating stage 11 and the fan 20 are turned off. After the device cools down, the support frame 10 and the electric heating stage 11 are extended by the servo motor 4. The chamber door 2 is opened and the digestion tube 12 is taken out. When the adsorption capacity of the activated carbon layer 16 decreases, the activated carbon layer 16 is pulled out along the guide rail 15 by the handle 19 for replacement.

[0017] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A device for pre-detection acid digestion of geological samples, comprising a digestion box (1), characterized in that: The digestion box (1) is movably connected to a door (2) at its front end, and a hinge (3) is installed on one side of the digestion box (1) and the door (2). A servo motor (4) is detachably connected to the front end of the digestion box (1), and a threaded rod (5) is detachably connected to the output shaft of the servo motor (4). Two rectangular slots (6) are symmetrically opened at the bottom of the digestion box (1). A guide rod (7) is fixedly connected in each of the two rectangular slots (6), and a moving block (8) is fitted on the outer surface of the threaded rod (5) and the two rectangular slots (6). A first connecting plate (9) is fixedly connected to the upper end of the multiple moving blocks (8), and a support frame (10) and an electric heating table (11) are fixedly connected to the upper end of the first connecting plate (9). Multiple digestion tubes (12) are inserted into the support frame (10). The surface of the electric heating table (11) is provided with heating grooves (13) corresponding to the multiple digestion tubes (12). A connection box (14) is fixedly connected to the top of the digestion box (1). Guide rails (15) are fixedly connected to the inner surfaces of the front and rear ends of the connection box (14). An activated carbon layer (16) is slidably connected inside the connection box (14). Sliding grooves (17) are provided at both the front and rear ends of the activated carbon layer (16). A second connecting plate (18) is fixedly connected to one side of the activated carbon layer (16). A handle (19) is fixedly connected to one side of the second connecting plate (18). Multiple fans (20) are detachably embedded in the top of the connection box (14).

2. The device for detecting geological samples before acid digestion according to claim 1, characterized in that: The servo motor (4) is detachably connected to the front end of the digestion box (1) by bolts, and the output shaft of the servo motor (4) is detachably connected to the threaded rod (5) by a coupling. The end of the threaded rod (5) away from the servo motor (4) is rotatably connected to the inner wall of the digestion box (1) by a bearing.

3. The device for acid digestion before detection of geological samples according to claim 1, characterized in that: One of the movable blocks (8) has a threaded hole inside that is compatible with the threaded rod (5), and the other two movable blocks (8) have through holes inside that are compatible with the guide rod (7). One of the movable blocks (8) is threadedly connected to the threaded rod (5) through the threaded hole, and the other two movable blocks (8) are slidably connected to the guide rod (7) through the through holes.

4. The device for acid digestion before detection of a geological sample according to claim 1, characterized in that: The support frame (10) has a plurality of evenly distributed placement holes. The inner diameter of the placement holes is adapted to the outer diameter of the digestion tube (12). The digestion tube (12) is movably connected to the support frame (10) through the placement holes. The number of heating tanks (13) is the same as the number of placement holes, and the inner diameter of the heating tanks (13) is greater than the outer diameter of the digestion tube (12).

5. The device for acid digestion before detection of geological samples according to claim 1, characterized in that: The cross-sectional shape of the sliding groove (17) is adapted to the cross-sectional shape of the guide rail (15). The activated carbon layer (16) is slidably connected to the guide rail (15) through the sliding groove (17), and the outer contour dimension of the activated carbon layer (16) is adapted to the internal dimension of the connecting box (14).

6. The device for acid digestion before detection of a geological sample according to claim 1, characterized in that: The top of the connecting box (14) has multiple mounting holes, the size of which is adapted to the size of the fan (20). The fan (20) is detachably embedded in the top of the connecting box (14) through the mounting holes, and the air inlet of the fan (20) faces the inside of the connecting box (14), while the air outlet of the fan (20) faces the external environment.

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