Thermogravimetric analysis experimental device

Abstract

The utility model provides a thermogravimetric analysis experimental facility, relates to experimental facility technical field, the thermogravimetric analysis experimental facility includes horizontal tube furnace, balance, quartz rod, combustion boat, weight, electronic scale, computer, horizontal tube furnace one end is equipped with the exit, quartz rod middle part is connected on the balance, quartz rod one end is equipped with the combustion boat, the weight is equipped with the electronic scale, the computer is equipped with the electronic scale. The lower portion of the other end of the quartz rod is connected with a weight, the weight is placed on an electronic scale, the combustion boat is used for containing formed particles, and the electronic scale is in communication connection with a computer. According to the utility model, thermogravimetric analysis is directly carried out on the whole formed particles, part of types of formed particles contain each part of biomass, obtained experimental data can better correspond to the type of biomass formed particles, the whole formed particles are put into the combustion boat, and the whole biomass formed particles which are not uniformly baked can be subjected to thermogravimetric analysis, so that the experimental data are more accurate. And the experimental data is more accurate and more effective.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental device technical field, specifically, relate to a thermal analysis experimental device. BACKGROUND

[0002] Thermal analysis is a method for measuring the relationship between mass and temperature or time under the temperature control, in the field of biomass baking, for example, when corn straw is subjected to thermal analysis, the corn straw is pressed into a shaped particle, the shaped particle contains multiple parts of the corn straw such as stem, stalk and leaf, and when the shaped particle is produced in a factory or made by oneself, the degree of fragmentation cannot be reached due to reasons such as equipment, energy consumption cost and structure not easy to break, which results in that the shaped particle is complex in composition and uneven in baking, only a small part of the shaped particle is selected for testing when thermal analysis is carried out, and the baking is uneven, which greatly affects the test result and results in that the test result is not representative. CONTENT

[0003] The utility model solves the problem of how to improve the effectiveness of thermal analysis for the shaped particle which is complex in composition and uneven in baking.

[0004] Therefore, the utility model provides a thermal analysis experimental device, which comprises a horizontal tube furnace, a balance, a quartz rod, a combustion boat, a weight, an electronic scale and a computer, an outlet is formed in the side wall of the horizontal tube furnace, the middle part of the quartz rod is connected to the balance, the combustion boat is arranged on one end of the quartz rod and inserted into the horizontal tube furnace along the outlet, the other end of the quartz rod is connected to the weight below, the weight is arranged on the electronic scale, the combustion boat is used for placing a shaped particle, the weight of the weight is greater than the sum of the weight of the combustion boat and the shaped particle, and the electronic scale is in communication connection with the computer.

[0005] Optionally, the thermal analysis experimental device further comprises a steel wire rope, the quartz rod is hoisted on both ends of the balance through the steel wire rope, and the weight is hoisted below the end of the quartz rod away from the horizontal tube furnace through the steel wire rope.

[0006] Optionally, the thermal analysis experimental device further comprises a first lifting platform, the balance is connected to the first lifting platform, and the first lifting platform is used for telescoping in the vertical direction.

[0007] Optionally, the thermal analysis experimental device further comprises a second lifting platform, the electronic scale is connected to the second lifting platform, and the second lifting platform is used for telescoping in the vertical direction.

[0008] Optionally, the thermogravimetric analysis experimental device further comprises a sliding table, the horizontal tube furnace is connected to the sliding table, and the sliding table is used for sliding along the length direction of the quartz rod.

[0009] Optionally, the thermogravimetric analysis experimental device further comprises a ventilation mechanism, and the ventilation mechanism is used for ventilating the horizontal tube furnace.

[0010] Optionally, the ventilation mechanism comprises a gas cylinder, a first pressure valve table, a flow meter, a second pressure valve table and a gas pipe, two ends of the gas pipe are communicated with the gas cylinder and the horizontal tube furnace respectively, and the first pressure valve table, the flow meter and the second pressure valve table are arranged on the gas pipe in the direction from the gas cylinder to the horizontal tube furnace.

[0011] Optionally, the gas pipe is arranged in the same direction as the extending direction of the quartz rod.

[0012] Optionally, the thermogravimetric analysis experimental device further comprises a sealing ring, and the sealing ring is arranged between the gas pipe and the inlet of the horizontal tube furnace.

[0013] Optionally, the thermogravimetric analysis experimental device further comprises a data line, and two ends of the data line are respectively connected with the electronic scale and the computer.

[0014] Compared with the prior art, the thermogravimetric analysis experimental device has the following beneficial effects:

[0015] The utility model discloses a balance is provided with, and two symmetrical points on the quartz rod are connected at the both ends of balance, and the combustion boat is provided on one end of the quartz rod, and the shaped particle is placed in the combustion boat, and the combustion boat provides the position for the shaped particle, and the weight is provided on the other end of the quartz rod, and the weight is placed on the electronic scale, and the shaped particle and the combustion boat are connected at one end of the balance through the quartz rod, and the weight is connected at the other end of the balance through the quartz rod, and one end of the quartz rod that is equipped with the combustion boat is inserted into the horizontal tube furnace along the outlet that is set up on the horizontal tube furnace side wall, and the quartz rod has the characteristic of high temperature resistance, and will not be damaged due to the high temperature of the horizontal tube furnace, and the weight of the weight is set to be greater than the total weight of the combustion boat and the shaped particle, and in order to find the balance, the electronic scale provides the support force for balancing the weight difference of the weight, the combustion boat and the shaped particle, when working, the horizontal tube furnace is heated, and the shaped particle burns, and the weight gradually becomes smaller, and in order to find the balance, the support force that the electronic scale provides to the weight gradually increases, and the computer that is connected with the electronic scale can record the change data of the total amount of the electronic scale, and the change data is the change data of the weight of the shaped particle in the combustion, and the weight analysis of the shaped particle is completed, and compared with the prior art, only a part of the shaped particle is selected to carry out the thermogravimetric analysis, and the whole shaped particle is directly subjected to the thermogravimetric analysis, and part of the shaped particle includes the biomass, for example, each part of the vegetation, and the experimental data obtained can correspond to the biomass shaped particle, and the whole shaped particle is placed in the combustion boat, and the thermogravimetric analysis can be carried out on the biomass shaped particle that is not baked uniformly, and the situation of uneven heating and baking is prevented, and the experimental data is more accurate, and the experimental data is more effective. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the thermogravimetric analysis experiment device of the utility model embodiment.

[0017] Mark explanation:

[0018] 1-gas cylinder;2-first pressure valve table;3-flow meter;4-second pressure valve table;5-horizontal tube furnace;6-combustion boat;7-sliding table;8-quartz rod;9-balance;101-first lifting platform;102-second lifting platform;11-electronic scale;12-weight;13-computer;14-data line. PREFERRED EMBODIMENT

[0019] In order to make the above-mentioned purpose, feature and advantage of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below.

[0020] It should be noted that in the description of this utility model, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "top", "bottom", "front", "back", "inner" and "outer" is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing this utility model, and is not intended to indicate or imply that the device referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the scope of protection of this utility model.

[0021] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature.

[0022] Furthermore, although specific embodiments have been described herein with reference to them, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that different dependent claims and features herein can be combined in ways not used as described in the original claims. It is also understood that features described in conjunction with individual embodiments can be used in other embodiments.

[0023] To solve the above problems, such as Figure 1 As shown, this utility model provides a thermogravimetric analysis experimental apparatus, including a horizontal tube furnace 5, a balance 9, a quartz rod 8, a combustion boat 6, weights 12, an electronic scale 11, and a computer 13. One end of the horizontal tube furnace 5 has an outlet. The middle part of the quartz rod 8 is connected to the balance 9. The combustion boat 6 is attached to one end of the quartz rod 8 and inserted into the horizontal tube furnace 5 along the outlet. The other end of the quartz rod 8 is connected to the weights 12 below. The weights 12 are placed on the electronic scale 11. The combustion boat 6 is used to hold shaped particles. The weight of the weights 12 is greater than the sum of the weights of the combustion boat 6 and the shaped particles. The electronic scale 11 is communicatively connected to the computer 13.

[0024] In the embodiment, the balance 9 is arranged, and two points on the quartz rod 8 are symmetrically connected at two ends of the balance 9, the combustion boat 6 is arranged on one end of the quartz rod 8, the shaped particles are placed in the combustion boat 6, the combustion boat 6 provides a placement position for the shaped particles, the weight 12 is arranged on the other end of the quartz rod 8, the weight 12 is placed on the electronic scale 11, the shaped particles and the combustion boat 6 are connected at one end of the balance 9 through the quartz rod 8, the weight 12 is connected at the other end of the balance 9 through the quartz rod 8, one end of the quartz rod 8 provided with the combustion boat 6 is inserted into the horizontal tube furnace 5 along the outlet arranged on the side wall of the horizontal tube furnace 5, the quartz rod 8 has the characteristic of high temperature resistance and will not be damaged due to the high temperature of the horizontal tube furnace 5, the weight of the weight 12 is set to be greater than the total weight of the combustion boat 6 and the shaped particles, in order to level the balance 9, the electronic scale 11 provides a supporting force for the weight 12 to balance the weight difference between the weight 12 and the combustion boat 6 and the shaped particles, in operation, the horizontal tube furnace 5 is heated, the shaped particles are burned, and the weight gradually decreases, in order to level the balance 9, the supporting force provided by the electronic scale 11 to the weight 12 gradually increases, and the computer 13 in communication connection with the electronic scale 11 can record the change data of the total amount of the electronic scale 11, and the change data is the change data of the weight of the shaped particles in the combustion, and the weight analysis of the shaped particles is completed, compared with the prior art in which only a part of the shaped particles is selected for thermogravimetric analysis, the shaped particles are directly subjected to the thermogravimetric analysis as a whole, and part of the shaped particles of the type contains biomass, for example, each part of the vegetation, and the experimental data obtained can correspond to the biomass shaped particles, the shaped particles as a whole are placed in the combustion boat 6, the thermogravimetric analysis of the biomass shaped particles as a whole which is not uniformly baked can be performed, the experimental data is more accurate, and the experimental data is more effective.

[0025] Specifically, the length of the quartz rod 8 is greater than the length of the balance 9, so that one end of the quartz rod 8 provided with the combustion boat 6 is inserted into the horizontal tube furnace 5.

[0026] Optionally, the thermogravimetric analysis experimental device further comprises a steel wire rope, the quartz rod 8 is hung on two ends of the balance 9 through the steel wire rope, and the weight 12 is hung below one end of the quartz rod 8 away from the horizontal tube furnace 5 through the steel wire rope.

[0027] In the embodiment, the steel wire rope is arranged at two ends of the balance 9, the steel wire rope extends downward and is connected to the quartz rod 8, the quartz rod 8 is connected to the balance 9, and the weight 12 is also hung on one end of the quartz rod 8 away from the combustion boat 6 through the steel wire rope, so that the combustion boat 6 and the shaped particles at one end of the quartz rod 8 and the weight 12 and the electronic scale 11 at the other end of the quartz rod 8 are leveled.

[0028] Optionally, as Figure 1As shown, the thermogravimetric analysis experimental device further comprises a first lifting platform 101, the balance 9 is connected to the first lifting platform 101, and the first lifting platform 101 is used to stretch out and retract in the vertical direction.

[0029] In the embodiment, by arranging the first lifting platform 101 below the balance 9, the first lifting platform 101 can stretch out and retract in the vertical direction, which is convenient for adjusting the height of the balance 9, so that the height of the quartz rod 8 below the balance 9 is the same as the height of the outlet of the horizontal tube furnace 5, and the combustion boat 6 at one end of the quartz rod 8 is conveniently inserted into the horizontal tube furnace 5.

[0030] Optionally, as shown in the figure, Figure 1 As shown, the thermogravimetric analysis experimental device further comprises a second lifting platform 102, the electronic scale 11 is connected to the second lifting platform 102, and the second lifting platform 102 is used to stretch out and retract in the vertical direction.

[0031] In the embodiment, by arranging the second lifting platform 102 below the electronic scale 11, the second lifting platform 102 can stretch out and retract in the vertical direction, which is convenient for adjusting the height of the electronic scale 11, and the combustion boat 6 at one end of the quartz rod 8 and the shaped particles are conveniently leveled with the weight 12 at the other end of the quartz rod 8 and the electronic scale 11.

[0032] Optionally, as shown in the figure, Figure 1 As shown, the thermogravimetric analysis experimental device further comprises a sliding table 7, the horizontal tube furnace 5 is connected to the sliding table 7, and the sliding table 7 is used to slide along the length direction of the quartz rod 8.

[0033] In the embodiment, by arranging the sliding table 7 below the horizontal tube furnace 5, the sliding table 7 can slide along the length direction of the quartz rod 8 on the mounting platform, the sliding table 7 is first slid in the direction away from the quartz rod 8, so that the combustion boat 6 is separated from the horizontal tube furnace 5, the shaped particles are conveniently placed on the combustion boat 6, the sliding table 7 is slid in the direction towards the quartz rod 8, so that the combustion boat 6 can be inserted into the horizontal tube furnace 5, and the shaped particles are conveniently combusted.

[0034] Optionally, the thermogravimetric analysis experimental device further comprises a ventilation mechanism, and the ventilation mechanism is used to ventilate into the horizontal tube furnace 5.

[0035] In the embodiment, by arranging the ventilation mechanism in communication with the horizontal tube furnace 5, it is convenient to provide air required for combustion of the shaped particles into the horizontal tube furnace 5.

[0036] Optionally, as shown in the figure, Figure 1As shown, the ventilation mechanism comprises a gas cylinder 1, a first pressure valve table 2, a flow meter 3, a second pressure valve table 4, and a gas pipe, two ends of the gas pipe being communicated with the gas cylinder 1 and the horizontal tube furnace 5 respectively, the first pressure valve table 2, the flow meter 3, and the second pressure valve table 4 being arranged on the gas pipe in the direction from the gas cylinder 1 to the horizontal tube furnace 5.

[0037] In the embodiment, the gas cylinder 1 is arranged, the gas pipe is arranged on the gas cylinder 1 and extends into the inlet of the horizontal tube furnace 5 to supply gas to the horizontal tube furnace 5, the first pressure valve table 2 is arranged at the outlet of the gas cylinder 1, the second pressure valve table 4 is arranged at the inlet of the horizontal tube furnace 5, and the flow meter 3 is arranged on the gas pipe to control the amount of gas entering the horizontal tube furnace 5, so that the amount of gas in the horizontal tube furnace 5 is suitable for the combustion of the formed particles.

[0038] Optionally, the direction of the gas flow of the gas pipe extending into the horizontal tube furnace 5 is arranged to be collinear with the extending direction of the quartz rod 8.

[0039] In the embodiment, the direction of the gas flow of the gas pipe is arranged to be horizontal, the extending direction of the quartz rod 8 is also horizontal, and the straight line of the gas flow is collinear with the quartz rod 8. When the gas flow blows to the quartz rod 8 in this direction, the area of the quartz rod 8 blown by the gas flow is the smallest, the quartz rod 8 is not easy to shake, the formed particles are not disturbed by the shaking of the quartz rod 8, and the accuracy of the experimental results is improved.

[0040] Specifically, the inlet and the outlet of the horizontal tube furnace 5 are arranged on the two end walls of the horizontal tube furnace 5 in the horizontal direction, so that the gas flow of the gas pipe is collinear with the quartz rod 8.

[0041] Optionally, the thermogravimetric analysis experimental device further comprises a sealing ring arranged between the gas pipe and the inlet of the horizontal tube furnace 5.

[0042] In the embodiment, the sealing ring is arranged between the gas pipe and the inlet of the horizontal tube furnace 5 to prevent the gas of the gas pipe from overflowing the tube furnace, so that the gas in the gas pipe is completely filled into the horizontal tube furnace 5, and the formed particles are burned conveniently.

[0043] Optionally, as shown, Figure 1 The thermogravimetric analysis experimental device further comprises a data line 14, two ends of the data line 14 being respectively connected with the electronic scale 11 and the computer 13.

[0044] In the embodiment, the data line 14 is arranged between the electronic scale 11 and the computer 13, so that the weight change data obtained by the electronic scale 11 is transmitted to the computer 13, and the computer 13 records and analyzes the data.

[0045] Although the utility model discloses as above, the protection scope of the utility model is not limited to this only.The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will all fall into the protection scope of the utility model.

Claims

1. A thermogravimetric analysis experimental apparatus, characterized in that, The system includes a horizontal tube furnace (5), a balance (9), a quartz rod (8), a combustion boat (6), a weight (12), an electronic scale (11), and a computer (13). One end of the horizontal tube furnace (5) has an outlet. The middle part of the quartz rod (8) is connected to the balance (9). The combustion boat (6) is located on one end of the quartz rod (8) and is inserted into the horizontal tube furnace (5) along the outlet. The other end of the quartz rod (8) is connected to the weight (12) below. The weight (12) is placed on the electronic scale (11). The combustion boat (6) is used to hold shaped particles. The weight (12) is greater than the sum of the weights of the combustion boat (6) and the shaped particles. The electronic scale (11) is communicatively connected to the computer (13).

2. The thermogravimetric analysis experimental apparatus according to claim 1, characterized in that, It also includes steel wire ropes, the quartz rod (8) is suspended at both ends of the balance (9) by the steel wire ropes, and the weight (12) is suspended below the end of the quartz rod (8) away from the horizontal tube furnace (5) by the steel wire ropes.

3. The thermogravimetric analysis experimental apparatus according to claim 1, characterized in that, It also includes a first lifting platform (101), the balance (9) being connected to the first lifting platform (101), the first lifting platform (101) being used for vertical extension and retraction.

4. The thermogravimetric analysis experimental apparatus according to claim 1, characterized in that, It also includes a second lifting platform (102), on which the electronic scale (11) is connected, and the second lifting platform (102) is used to extend and retract in the vertical direction.

5. The thermogravimetric analysis experimental apparatus according to claim 1, characterized in that, It also includes a slide (7), on which the horizontal tube furnace (5) is connected, and the slide (7) is used to slide along the length of the quartz rod (8).

6. The thermogravimetric analysis experimental apparatus according to claim 1, characterized in that, It also includes a ventilation mechanism for venting air into the horizontal tubular furnace (5).

7. The thermogravimetric analysis experimental apparatus according to claim 6, characterized in that, The ventilation mechanism includes a gas cylinder (1), a first pressure gauge (2), a flow meter (3), a second pressure gauge (4), and a gas pipe. The two ends of the gas pipe are connected to the gas cylinder (1) and the horizontal tubular furnace (5), respectively. The first pressure gauge (2), the flow meter (3), and the second pressure gauge (4) are arranged on the gas pipe along the direction from the gas cylinder (1) to the horizontal tubular furnace (5).

8. The thermogravimetric analysis experimental apparatus according to claim 7, characterized in that, The direction of the gas flow from the gas pipe into the horizontal tubular furnace (5) is collinear with the direction of the quartz rod (8).

9. The thermogravimetric analysis experimental apparatus according to claim 7, characterized in that, It also includes a sealing ring, which is disposed between the gas pipe and the inlet of the horizontal tubular furnace (5).

10. The thermogravimetric analysis experimental apparatus according to claim 1, characterized in that, It also includes a data cable (14), the two ends of which are respectively connected to the electronic scale (11) and the computer (13) for communication.

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