Sample combustion device

Abstract

The utility model relates to the field of experimental analysis, in particular to a sample combustion device which comprises a supporting plate, a shell is fixedly connected to the supporting plate, a rectangular opening is formed in the middle of the supporting plate, a rectangular cavity is formed in the rectangular opening, a first driving motor is installed on one side of the supporting plate, and a second driving motor is installed on the other side of the supporting plate. And the output end of the first driving motor is connected with a two-way screw rod, the two-way screw rod is in threaded connection with a placing plate, the bottom of the shell is fixedly connected with a rectangular shell, and a collecting box is placed in the rectangular shell. When the device is used, after combustion is completed and smoke conveying is finished, the first driving motor drives the two-way screw rod to rotate, the two-way screw rod drives the two placing plates to be far away from each other until the two placing plates are completely collected into the rectangular cavity and residues fall into the collecting box, and the collecting box is taken out to be cleaned; and a worker does not need to manually take out and clean residues, so that convenience is achieved, and meanwhile, the risk of scalding is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental analysis technical field especially, relate to sample combustion device. BACKGROUND

[0002] Experimental analysis is a process involving multiple steps and considerations, which aims to answer questions or verify hypotheses by systematically collecting, processing and interpreting data. Experimental analysis is a complex and meticulous process that requires systematic collection, processing and analysis of data, and draws clear conclusions. During the experimental analysis process, attention should be paid to the rationality of experimental design, the accuracy and reliability of data, the applicability of statistical methods, the interpretation and discussion of results, and the repeatability of experiments.

[0003] Experimental analysis requires the use of analytical instruments, and some analytical instruments cannot directly analyze solid or liquid samples, so the samples need to be pretreated. The sample is burned, and the flue gas after combustion enters the analytical instrument to analyze the flue gas. The existing sample combustion device, after the sample is burned, the remaining residue is in the device, which needs to be manually removed and cleaned by the staff, which is relatively inconvenient and has the risk of being scalded, so a sample combustion device is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the existing sample combustion device, after the sample is burned, the remaining residue is in the device, which needs to be manually removed and cleaned by the staff, which is relatively inconvenient and has the risk of being scalded, and proposes a sample combustion device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The sample combustion device comprises a supporting plate, a shell is fixedly connected on the supporting plate, a rectangular opening is formed in the middle of the supporting plate, a rectangular cavity is formed at the rectangular opening, a first driving motor is installed on one side of the supporting plate, a bidirectional screw rod is connected with the output end of the first driving motor, a placing plate is threadedly connected with the bidirectional screw rod, a rectangular shell is fixedly connected at the bottom of the shell, and a collection box is placed in the rectangular shell.

[0007] Preferably, one side of the placing plate is slidably connected with the rectangular cavity, and a baffle is fixedly connected at the top of the supporting plate.

[0008] Preferably, a rectangular block is fixedly connected on the inner wall of the shell, a limiting groove is formed on one side of the rectangular block, an accommodating cavity is formed at one end of the limiting groove, a second driving motor is installed in the accommodating cavity, a threaded rod is connected with the output end of the second driving motor, a moving plate is threadedly connected with the threaded rod, and an igniter is installed at one end of the moving plate.

[0009] Preferably, one side of the support plate is fixedly connected with a rectangular plate, an oxygen supply device is placed on the rectangular plate, a gas conveying pipe is connected to the top of the oxygen supply device, and the gas conveying pipe extends into the shell.

[0010] Preferably, a conveying pipe is connected to the top of the shell, an installation plate is fixedly connected to the inside of the conveying pipe, a third driving motor is installed on the installation plate, a rotating rod is connected to the output end of the third driving motor, and a fan is fixedly connected to one end of the rotating rod.

[0011] Preferably, an observation window is formed in the shell, a control panel is arranged on the shell, and a sliding door is hingedly connected to one side of the shell.

[0012] Compared with the prior art, the sample combustion device has the following beneficial effects:

[0013] 1. When the device is in use, after combustion is completed and smoke gas conveying is finished, the first driving motor drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the two placement plates to move away from each other until the two placement plates are completely accommodated in the rectangular cavity, and the residual ash falls into the collection box. The collection box can be taken out for cleaning, manual removal of the residual ash by the staff is not needed, the operation is more convenient, and the risk of being scalded is avoided.

[0014] 2. When the device is in use, the oxygen supply device can convey oxygen into the shell through the gas conveying pipe, so that the sample can be fully combusted, and the analysis of smoke gas is more helpful. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole three-dimensional structure schematic view of the sample combustion device.

[0016] Figure 2 It is an internal three-dimensional structure schematic view of the sample combustion device.

[0017] Figure 3 It is a first driving motor and bidirectional screw rod three-dimensional structure schematic view of the sample combustion device.

[0018] Figure 4 It is a second driving motor and threaded rod three-dimensional structure schematic view of the sample combustion device.

[0019] In the drawings: 1, support plate; 2, shell; 3, first driving motor; 4, bidirectional screw rod; 5, placement plate; 6, rectangular shell; 7, collection box; 8, baffle; 9, rectangular block; 10, second driving motor; 11, threaded rod; 12, moving plate; 13, igniter; 14, oxygen supply device; 15, gas conveying pipe; 16, conveying pipe; 17, third driving motor; 18, fan; 19, control panel; 20, sliding door. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without any creative work belong to the protection scope of the utility model.

[0021] Referring to Figures 1-4 The sample combustion device comprises a support plate 1, a shell 2 is fixedly connected to the support plate 1, a rectangular opening is formed in the middle of the support plate 1, a rectangular cavity is formed at the rectangular opening, a first driving motor 3 is installed on one side of the support plate 1, a bidirectional screw rod 4 is connected to the output end of the first driving motor 3, a placing plate 5 is threadedly connected to the bidirectional screw rod 4, a rectangular shell 6 is fixedly connected to the bottom of the shell 2, and a collection box 7 is placed in the rectangular shell 6.

[0022] The water is added into the collection box 7, and the residues are attached to the water, so that the residues are prevented from being scattered in the air when the collection box 7 is taken out.

[0023] The first driving motor 3 is powered by an external device and controlled to be turned on and off. After the sample is completely combusted and the flue gas is collected, the first driving motor 3 drives the bidirectional screw rod 4 to rotate, the bidirectional screw rod 4 drives the two placing plates 5 to move away from each other, until the two placing plates 5 are completely received in the rectangular cavity, the residues fall into the collection box 7, and the collection box 7 is taken out for cleaning.

[0024] Further, one side of the placing plate 5 is slidably connected to the rectangular cavity, and a baffle 8 is fixedly connected to the top of the support plate 1.

[0025] The placing plate 5 and the baffle 8 are both made of iron, have a high melting point, and can withstand the temperature of sample combustion.

[0026] The baffle 8 blocks the residues, so that most of the residues can fall into the collection box 7.

[0027] Further, a rectangular block 9 is fixedly connected to the inner wall of the shell 2, a limiting groove is formed in one side of the rectangular block 9, an accommodating cavity is formed in one end of the limiting groove, a second driving motor 10 is installed in the accommodating cavity, a threaded rod 11 is connected to the output end of the second driving motor 10, a moving plate 12 is threadedly connected to the threaded rod 11, and an igniter 13 is installed at one end of the moving plate 12.

[0028] The second driving motor 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the moving plate 12 to move, the moving plate 12 drives the igniter 13 to move to the upper side of the placing plate 5, the igniter 13 ignites the sample, and then the igniter 13 moves away from the upper side of the placing plate 5.

[0029] Further, one side of the supporting plate 1 is fixedly connected with a rectangular plate, and an oxygen supply device 14 is placed on the rectangular plate.

[0030] The oxygen supply device 14 sends oxygen into the shell 2 through the gas conveying pipe 15, so that the sample can be fully burned, and the subsequent analysis of flue gas is facilitated.

[0031] Further, the top of the shell 2 is connected with a conveying pipe 16, the inside of the conveying pipe 16 is fixedly connected with a mounting plate, the mounting plate is installed with a third driving motor 17, the output end of the third driving motor 17 is connected with a rotating rod, and one end of the rotating rod is fixedly connected with a fan 18.

[0032] The third driving motor 17 drives the rotating rod to rotate, the rotating rod drives the fan 18 to rotate, negative pressure generated by the fan 18 sucks flue gas generated by sample burning into the conveying pipe 16, and the flue gas is conveyed into an analysis instrument through the conveying pipe 16.

[0033] Meanwhile, specific models and specifications of the first driving motor 3, the second driving motor 10 and the third driving motor 17 need to be determined according to the actual specifications of the device, and a specific selection calculation method adopts existing technologies in the field, and thus is not described in detail.

[0034] Further, the shell 2 is provided with an observation window and a control panel 19, and one side of the shell 2 is hingedly connected with a sliding door 20.

[0035] The observation window is installed with glass, the inside can be observed conveniently, negative pressure generated by the fan 18 sucks flue gas and part of heat at the same time, high temperature is avoided to cause the glass to be broken, and the device is controlled through the control panel 19.

[0036] Working principle of the utility model:

[0037] By placing the sample on the placing plate 5, the oxygen supply device 14 supplies oxygen to the inside of the shell 2 through the gas conveying pipe 15, then the second driving motor 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the moving plate 12 to move, the moving plate 12 drives the igniter 13 to move to the upper side of the placing plate 5, the igniter 13 ignites the sample, the third driving motor 17 drives the rotating rod to rotate, the rotating rod drives the fan 18 to rotate, the negative pressure generated by the fan 18 sucks the smoke generated by the combustion of the sample into the conveying pipe 16, and then the smoke is conveyed to the analysis instrument through the conveying pipe 16;

[0038] After the combustion is completed and the smoke conveying is finished, the first driving motor 3 drives the bidirectional screw rod 4 to rotate, the bidirectional screw rod 4 drives the two placing plates 5 to move away from each other until the two placing plates 5 are completely accommodated in the rectangular cavity, and the residues fall into the collecting box 7, so that the collecting box 7 can be taken out for cleaning, the residues do not need to be manually taken out for cleaning by the staff, the residues are more convenient to clean, and the risk of being scalded is avoided.

[0039] The above merely describes a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, and all of them should be covered in the protection scope of the present application.

Claims

1. A sample combustion device comprising a support plate (1), characterized in that, The support plate (1) is fixedly connected with the shell (2), a rectangular port is opened in the middle of the support plate (1), a rectangular cavity is opened in the rectangular port, a first driving motor (3) is installed on one side of the support plate (1), a bidirectional screw rod (4) is connected to the output end of the first driving motor (3), a placing plate (5) is threadedly connected to the bidirectional screw rod (4), a rectangular shell (6) is fixedly connected to the bottom of the shell (2), and a collecting box (7) is placed in the rectangular shell (6).

2. The sample combustion device of claim 1, wherein One side of the placing plate (5) is slidably connected with the rectangular cavity, and a baffle (8) is fixedly connected to the top of the support plate (1).

3. The sample combustion device of claim 1, wherein, The inner wall of the shell (2) is fixedly connected with a rectangular block (9), a limiting groove is opened in one side of the rectangular block (9), an accommodating cavity is opened at one end of the limiting groove, a second driving motor (10) is installed in the accommodating cavity, a threaded rod (11) is connected to the output end of the second driving motor (10), a moving plate (12) is threadedly connected to the threaded rod (11), and an igniter (13) is installed at one end of the moving plate (12).

4. The sample combustion device of claim 1, wherein, One side of the support plate (1) is fixedly connected with a rectangular plate, an oxygen supply device (14) is placed on the rectangular plate, a gas conveying pipe (15) is connected to the top of the oxygen supply device (14), and the gas conveying pipe (15) extends into the shell (2).

5. The sample combustion device of claim 1, wherein, A conveying pipe (16) is connected to the top of the shell (2), an installation plate is fixedly connected in the conveying pipe (16), a third driving motor (17) is installed on the installation plate, a rotating rod is connected to the output end of the third driving motor (17), and a fan (18) is fixedly connected to one end of the rotating rod.

6. The sample combustion device of claim 1, wherein, An observation window is opened in the shell (2), a control panel (19) is arranged on the shell (2), and a sliding door (20) is hingedly connected to one side of the shell (2). An observation window is opened in the shell (2), a control panel (19) is arranged on the shell (2), and a sliding door (20) is hingedly connected to one side of the shell (2).

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