Heating device of total organic carbon analyzer

Abstract

The utility model relates to the technical field of heating devices, in particular to a heating device of a total organic carbon analyzer, which comprises a box body, the lower surface of the inner side wall of the box body is fixedly connected with a fixed plate, the upper surface of the fixed plate is movably provided with a rotating plate, and the upper surface of the rotating plate is fixedly connected with a placing tray. A motor is started to drive a screw rod to rotate back and forth; the screw rod drives a nut block and a moving plate to move back and forth; a rack on the left side wall of the moving plate drives a gear to rotate back and forth; the gear drives a rotating plate and a placing disc to rotate back and forth; the heat convection can occur in the sample, the surface area of the inner side wall of the heating pipe is increased by the heat conducting fins, so that the heat can be further transferred to the sample, the sample can be heated more uniformly, organic matters in the sample can be oxidized more completely, the accuracy of a measurement result is improved, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of heating devices, in particular to a heating device for a total organic carbon analyzer. Background Technique

[0002] A total organic carbon analyzer (TOC analyzer) is an instrument used to measure the total organic carbon content in a water sample. It is used to completely oxidize the organic matter in the sample into carbon dioxide, and then measure the concentration of carbon dioxide through a detector, so as to calculate the total organic carbon content. In order to completely oxidize the organic matter in the sample into carbon dioxide, it is necessary to heat-treat the sample, which requires the use of a heating device for the total organic carbon analyzer;

[0003] At present, for the heating devices of some total organic carbon analyzers on the market, electric heating tubes are installed on the outer side wall of the heating tube to heat the sample inside the tube. However, this method may cause uneven heating. The part close to the outer side of the heating tube is easily heated, while the middle part inside the tube is less heated. This may lead to incomplete oxidation of the organic matter in the sample, thus affecting the accuracy of the measurement results of the final total organic carbon analyzer; For this reason, a heating device for a total organic carbon analyzer is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a heating device for a total organic carbon analyzer to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A heating device for a total organic carbon analyzer, including a box body. The lower surface of the inner side wall of the box body is fixedly connected with a fixing plate. A rotating plate is movably arranged on the upper surface of the fixing plate. A placing plate is fixedly connected to the upper surface of the rotating plate. A heating tube is arranged on the upper surface of the placing plate. An electric heating tube is fixedly installed inside the heating tube. The lower surface of the inner side wall of the box body is fixedly connected with a mounting rack. A motor is fixedly installed on the front surface of the mounting rack. The output shaft end of the motor is fixedly connected with a screw rod. The screw rod penetrates through the front surface of the mounting rack. The screw rod is rotationally connected with the inner side wall of the mounting rack through a bearing. A nut block is threadedly connected to the outer side wall of the screw rod. A moving plate is fixedly connected to the left side wall of the nut block. A plurality of racks are evenly welded to the left side wall of the moving plate. A gear is fixedly connected to the outer side wall of the rotating plate. The gear is meshed with the rack. A plurality of heat conducting sheets are evenly fixedly connected to the inner side wall of the heating tube.

[0006] As a further preference of this technical solution: Two mounting plates are fixedly connected to the outer side wall of the placing plate. A sliding rod is slidably connected to the inner side wall of the mounting plate. A clamping plate is fixedly connected to one side of each of the two sliding rods close to each other. The clamping plate is in close contact with the heating tube. A spring is arranged between the clamping plate and the mounting plate.

[0007] As a further preference of this technical solution: Two limiting blocks are symmetrically welded to the outer side wall of the nut block, two limiting grooves are fixedly connected to the inner side wall of the mounting frame, and the outer side wall of the limiting block is slidably connected to the inner side wall of the limiting groove.

[0008] As a further preference of this technical solution: A first groove is formed on the lower surface of the rotating plate, a second groove is formed on the upper surface of the fixing plate, and balls are evenly arranged between the first groove and the second groove.

[0009] As a further preference of this technical solution: A pipe cap is threadedly connected to the upper surface of the heating pipe, and a cover plate is hinged to the rear side of the upper surface of the box body.

[0010] As a further preference of this technical solution: A rubber support block is fixedly connected to the lower surface of the box body.

[0011] As a further preference of this technical solution: A sealing gasket is adhered to the upper surface of the box body.

[0012] As a further preference of this technical solution: Circular plates are fixedly connected to the mutually remote ends of the two sliding rods.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] In the present utility model, the heating pipe containing the sample is placed on the upper surface of the placement tray, the heating pipe is heated by the electric heating pipe, so that the heat is transferred to the internal sample. The motor is started to drive the screw rod to rotate back and forth, the screw rod drives the nut block and the moving plate to move back and forth, the rack on the left side wall of the moving plate drives the gear to rotate back and forth, the gear drives the rotating plate and the placement tray to rotate back and forth, so that the sample inside the heating pipe is flipped, and the heat can convect inside the sample. The heat conducting sheet increases the surface area of the inner side wall of the heating pipe, so that the heat can be further transferred to the sample, the sample can be heated more evenly, the organic matter in the sample is oxidized more completely, the accuracy of the measurement result is improved, and the practicability is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view structural schematic diagram of the present utility model;

[0016] Figure 2 is the internal structural schematic diagram of the box body in the present utility model;

[0017] Figure 3 is the sectional structural schematic diagram of the heating pipe in the present utility model;

[0018] Figure 4 is the structural schematic diagram of the electric heating pipe in the present utility model;

[0019] Figure 5 This is a schematic structural diagram of the motor and the screw rod in the present utility model;

[0020] Figure 6 This is a schematic structural diagram of the placing tray in the present utility model;

[0021] Figure 7 This is a schematic cross-sectional structural diagram of the fixed plate and the rotating plate in the present utility model.

[0022] In the figure: 1, box body; 2, fixed plate; 3, rotating plate; 4, placing tray; 5, heating tube; 6, electric heating tube; 7, mounting bracket; 8, motor; 9, screw rod; 10, nut block; 11, moving plate; 12, rack; 13, gear; 14, heat conducting sheet; 15, mounting plate; 16, sliding rod; 17, clamping plate; 18, spring; 19, limiting block; 20, limiting groove; 21, first groove; 22, second groove; 23, ball; 24, pipe cover; 25, cover plate; 26, rubber support block; 27, gasket; 28, circular plate. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation to the present application. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present utility model.

[0024] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", and "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0025] Please refer to Figure 1-7, the present utility model provides a technical solution: a heating device for a total organic carbon analyzer, including a box body 1. The lower surface of the inner side wall of the box body 1 is fixedly connected with a fixing plate 2. A rotating plate 3 is movably arranged on the upper surface of the fixing plate 2. A placing plate 4 is fixedly connected to the upper surface of the rotating plate 3. A heating tube 5 is arranged on the upper surface of the placing plate 4. An electric heating tube 6 is fixedly installed inside the heating tube 5. The lower surface of the inner side wall of the box body 1 is fixedly connected with a mounting bracket 7. A motor 8 is fixedly installed on the front surface of the mounting bracket 7. The output shaft end of the motor 8 is fixedly connected with a screw rod 9. The screw rod 9 penetrates through the front surface of the mounting bracket 7. The screw rod 9 is rotatably connected to the inner side wall of the mounting bracket 7 through a bearing. A nut block 10 is threadedly connected to the outer side wall of the screw rod 9. The left side wall of the nut block 10 is fixedly connected with a moving plate 11. A plurality of racks 12 are evenly welded to the left side wall of the moving plate 11. A gear 13 is fixedly connected to the outer side wall of the rotating plate 3. The gear 13 is meshed with the rack 12. A plurality of heat conducting sheets 14 are evenly fixedly connected to the inner side wall of the heating tube 5; Place the heating tube 5 containing the sample on the upper surface of the placing plate 4. Heat the heating tube 5 through the electric heating tube 6 to transfer the heat to the sample inside. Start the motor 8 to drive the screw rod 9 to rotate back and forth. The screw rod 9 drives the nut block 10 and the moving plate 11 to move back and forth. The rack 12 on the left side wall of the moving plate 11 drives the gear 13 to rotate back and forth. The gear 13 drives the rotating plate 3 and the placing plate 4 to rotate back and forth, so that the sample inside the heating tube 5 is flipped, and heat can convect inside the sample. The heat conducting sheets 14 increase the surface area of the inner side wall of the heating tube 5, enabling the heat to be further transferred to the sample.

[0026] In this embodiment, specifically: Two mounting plates 15 are fixedly connected to the outer side wall of the placing plate 4. A sliding rod 16 is slidably connected to the inner side wall of the mounting plate 15. Clamping plates 17 are fixedly connected to the sides of the two sliding rods 16 close to each other. The clamping plates 17 are in close contact with the heating tube 5. A spring 18 is arranged between the clamping plates 17 and the mounting plates 15; Use the two clamping plates 17 to clamp and fix the heating tube 5 on the upper surface of the placing plate 4, so that the heating tube 5 can rotate with the rotation of the placing plate 4.

[0027] In this embodiment, specifically: Two limiting blocks 19 are symmetrically welded to the outer side wall of the nut block 10. Two limiting grooves 20 are fixedly connected to the inner side wall of the mounting bracket 7. The outer side wall of the limiting block 19 is slidably connected to the inner side wall of the limiting groove 20; Under the limiting action of the limiting block 19 and the limiting groove 20, the nut block 10 maintains its movement in the front-back direction.

[0028] In this embodiment, specifically: A first groove 21 is formed on the lower surface of the rotating plate 3. A second groove 22 is formed on the upper surface of the fixing plate 2. A plurality of balls 23 are evenly arranged between the first groove 21 and the second groove 22; Enable the rotating plate 3 to rotate on the upper surface of the fixing plate 2.

[0029] In this embodiment, specifically: a tube cover 24 is threadedly connected to the upper surface of the heating tube 5 , and a cover plate 25 is hingedly connected to the rear side of the upper surface of the box body 1 .

[0030] In this embodiment, specifically: a rubber support block 26 is fixedly connected to the lower surface of the box body 1 , and is used to support the box body 1 .

[0031] In this embodiment, specifically: a sealing gasket 27 is bonded to the upper surface of the box body 1 , thereby ensuring the sealing performance of the box body 1 .

[0032] In this embodiment, specifically: a circular plate 28 is fixedly connected to one end of the two sliding rods 16 that is away from each other.

[0033] The working principle of the utility model is as follows: a heating tube 5 containing a sample is placed on the upper surface of a placement plate 4, the heating tube 5 is heated by an electric heating tube 6, so that heat is transferred to the sample inside, a motor 8 is started to drive a screw rod 9 to rotate back and forth, the screw rod 9 drives a nut block 10 and a moving plate 11 to move forward and backward, a rack 12 on the left side wall of the moving plate 11 drives a gear 13 to rotate back and forth, the gear 13 drives a rotating plate 3 and a placement plate 4 to rotate back and forth, so that the sample inside the heating tube 5 is turned over, heat can convect inside the sample, a heat conducting sheet 14 increases the surface area of ​​the inner wall of the heating tube 5, so that heat can be further transferred to the sample, thereby constituting a heating device of a total organic carbon analyzer, which can make the sample heated more evenly, make the organic matter in the sample oxidized more completely, improve the accuracy of the measurement result, and make the practicality stronger.

[0034] Although 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 heating device for a total organic carbon analyzer, comprising a box body (1), characterized in that: The lower surface of the inner wall of the box body (1) is fixedly connected to a fixed plate (2), the upper surface of the fixed plate (2) is movably provided with a rotating plate (3), the upper surface of the rotating plate (3) is fixedly connected to a placement plate (4), the upper surface of the placement plate (4) is provided with a heating tube (5), the interior of the heating tube (5) is fixedly installed with an electric heating tube (6), the lower surface of the inner wall of the box body (1) is fixedly connected to a mounting frame (7), the front surface of the mounting frame (7) is fixedly installed with a motor (8), the output shaft end of the motor (8) is fixedly connected to a screw rod (9), and the screw rod (9) is connected to the output shaft end of the motor (8). The screw rod (9) passes through the front surface of the mounting frame (7), and is rotatably connected to the inner wall of the mounting frame (7) via a bearing. The outer wall of the screw rod (9) is threadedly connected to a nut block (10). The left side wall of the nut block (10) is fixedly connected to a movable plate (11). The left side wall of the movable plate (11) is uniformly welded with a rack (12). The outer side wall of the rotating plate (3) is fixedly connected to a gear (13). The gear (13) is meshingly connected to the rack (12). The inner side wall of the heating tube (5) is uniformly fixedly connected to a plurality of heat conducting plates (14).

2. The heating device of the total organic carbon analyzer according to claim 1, characterized in that: The outer side wall of the placement plate (4) is fixedly connected to two mounting plates (15), the inner side wall of the mounting plate (15) is slidably connected to a slide rod (16), and the two slide rods (16) are fixedly connected to a clamping plate (17) on the side close to each other, the clamping plate (17) is in close contact with the heating tube (5), and a spring (18) is provided between the clamping plate (17) and the mounting plate (15).

3. The heating device of the total organic carbon analyzer according to claim 2, characterized in that: Two limit blocks (19) are symmetrically welded to the outer side wall of the nut block (10), two limit grooves (20) are fixedly connected to the inner side wall of the mounting frame (7), and the outer side wall of the limit block (19) is slidably connected to the inner side wall of the limit groove (20).

4. The heating device of the total organic carbon analyzer according to claim 2, characterized in that: The lower surface of the rotating plate (3) is provided with a first groove (21), the upper surface of the fixed plate (2) is provided with a second groove (22), and balls (23) are evenly arranged between the first groove (21) and the second groove (22).

5. The heating device of the total organic carbon analyzer according to claim 2, characterized in that: The upper surface of the heating tube (5) is threadedly connected to a tube cover (24), and the rear side of the upper surface of the box body (1) is hingedly connected to a cover plate (25).

6. The heating device of the total organic carbon analyzer according to claim 2, characterized in that: A rubber support block (26) is fixedly connected to the lower surface of the box body (1).

7. The heating device of the total organic carbon analyzer according to claim 6, characterized in that: A sealing gasket (27) is bonded to the upper surface of the box body (1).

8. The heating device of the total organic carbon analyzer according to claim 6, characterized in that: The ends of the two sliding rods (16) that are away from each other are both fixedly connected with a circular plate (28).

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