Pressure stabilizing device for experimental furnace

Abstract

The utility model discloses a pressure stabilizing device for an experimental furnace, which comprises a plurality of first furnace bodies, a plurality of second furnace bodies, a plurality of third furnace bodies and a plurality of third furnace bodies, each first furnace body is provided with a first air inlet, a first air outlet and a first flow meter, and the first air outlets on the first furnace bodies are communicated through a first exhaust pipe with a first valve; each second furnace body is provided with a second air inlet, a second air outlet and a second flow meter, the second air outlets in the second furnace bodies are communicated through a second exhaust pipe with a second valve, and the first exhaust pipe is communicated with the leading-out end of the second exhaust pipe; and the exhaust fan is arranged on the leading-out end where the first exhaust pipe and the second exhaust pipe are communicated with each other. According to the pressure stabilizing device for the experimental furnace, the air pressure in each furnace body can be ensured to be consistent without manually adjusting the air pressure on each furnace body, so that the air pressure variables in the experimental furnace are consistent.

Description

Technical Field

[0001] The utility model relates to the technical field of voltage stabilizing equipment manufacturing, and more specifically, to a voltage stabilizing device for an experimental furnace. Background Art

[0002] Since sodium ion oxide cathode materials need to consume a certain amount of oxygen and exhaust a certain amount of waste gas during the sintering process, and the waste gas mainly contains carbon dioxide and water vapor, in addition to a small amount of metal dust, sulfur-containing and nitrogen-containing waste gas, etc. The sintering process of the atmosphere furnace used for sintering needs to fully consider the exhaust of the waste gas generated during the sintering process, and at the same time, it is necessary to avoid excessive airflow that causes temperature fluctuations in the furnace, resulting in poor consistency of the sintered material and difficulty in reproducing the problem.

[0003] In the actual test process, it is more necessary to strictly control the variables. In order to control the slight positive pressure or slight negative pressure, it is usually necessary to install a pressure gauge on each small box furnace, manually adjust the air intake and exhaust valve of each box furnace, and adjust each furnace separately to keep the air pressure of different atmosphere paths consistent. However, there are still differences in air pressure between furnaces, and a better method is needed to solve the problem of furnace pressure consistency. Utility Model Content

[0004] One purpose of the utility model is to provide a new technical solution for a pressure stabilizing device for an experimental furnace, which can at least solve the problem of gas pressure difference between various furnaces in the prior art.

[0005] The utility model provides a pressure stabilizing device for an experimental furnace, comprising: a plurality of first furnace bodies, each of which is provided with a first air inlet, a first air outlet and a first flow meter, and the first air outlet on each of the first furnace bodies is connected through a first exhaust pipe with a first valve; a plurality of second furnace bodies, each of which is provided with a second air inlet, a second air outlet and a second flow meter, and the second air outlet on each of the second furnace bodies is connected through a second exhaust pipe with a second valve, and the first exhaust pipe is connected to the lead-out end of the second exhaust pipe; an exhaust fan, the exhaust fan is arranged on the lead-out end where the first exhaust pipe is connected to the second exhaust pipe, so as to discharge waste gas and dust in the plurality of the first furnace bodies and the plurality of the second furnace bodies at the same time through the exhaust fan, and control the air pressure in the plurality of the first furnace bodies and the plurality of the second furnace bodies to be consistent.

[0006] Optionally, the voltage stabilizing device for the experimental furnace further includes: a dust filter, wherein the dust filter is arranged between the exhaust fan and the outlet end.

[0007] Optionally, the pressure stabilizing device for the experimental furnace further includes: a waste gas absorption tank, which is connected to the exhaust fan to absorb the waste gas discharged by the exhaust fan.

[0008] Optionally, the waste gas absorption tank is filled with sodium hydroxide solution.

[0009] Optionally, the pressure stabilizing device for the experimental furnace further includes: a fume hood, wherein the fume hood is connected to the exhaust gas absorption tank to discharge the exhaust gas treated by the absorption tank.

[0010] Optionally, a first exhaust valve is integrated at the first gas outlet of each of the first furnace bodies, and a second exhaust valve is integrated at the second gas outlet of each of the second furnace bodies.

[0011] Optionally, multiple first furnace bodies are arranged in rows at intervals to form a first row of furnace bodies, and the multiple first furnace bodies are numbered as furnace body No. 1, furnace body No. 2, furnace body No. 3...furnace body No. n, and multiple second furnace bodies are arranged in rows at intervals to form a second row of furnace bodies, the first row of furnace bodies and the second row of furnace bodies form a matrix arrangement, and the multiple second furnace bodies are numbered as furnace body No. n+1, furnace body No. n+2, furnace body No. n+3...furnace body No. 2n.

[0012] Optionally, the voltage stabilizing device for the experimental furnace also includes: a plurality of third furnace bodies, a plurality of fourth furnace bodies... a plurality of mth furnace bodies, a plurality of the third furnace bodies are spaced apart and arranged in rows to form a third row of furnace bodies, a plurality of the fourth furnace bodies are spaced apart and arranged in rows to form a fourth row of furnace bodies... a plurality of the mth furnace bodies are spaced apart and arranged in rows to form an mth row of furnace bodies, and the third row of furnace bodies, the fourth row of furnace bodies... the mth row of furnace bodies are respectively connected to the outlet ends of the first exhaust pipe and the second exhaust pipe through the third exhaust pipe, the fourth exhaust pipe... the xth exhaust pipe.

[0013] Optionally, the multiple third furnace bodies are numbered as furnace body 2n+1, furnace body 2n+2, furnace body 2n+3...furnace body 3n, and the multiple m-th furnace bodies are numbered as furnace body (m-1)*n+1, furnace body (m-1)*n+2, furnace body (m-1)*n+3...furnace body m*n, and the first row of furnace bodies, the second row of furnace bodies...the m-th row of furnace bodies form an m*n matrix, wherein m and n are both ≥2.

[0014] Optionally, the structures of the furnace body No. 1, the furnace body No. 2, ... the furnace bodies No. m*n are the same.

[0015] The utility model discloses a pressure stabilizing device for an experimental furnace, wherein a plurality of first furnace bodies are connected via a first exhaust pipe having a first valve, a plurality of second furnace bodies are connected via a second exhaust pipe having a second valve, the outlet ends of the first exhaust pipe and the second exhaust pipe are connected to each other, and the outlet ends are connected to an exhaust fan, so that waste gas or dust is effectively discharged, and the air pressure in each furnace body can be kept consistent without manually adjusting the air pressure on each furnace body, so that the air pressure variable in the experimental furnace is kept consistent, thereby effectively improving the accuracy of the experiment, ensuring the repeatability of the experiment, being easy to control and simple to operate.

[0016] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0018] Figure 1 It is a working principle diagram of a voltage stabilizing device for an experimental furnace according to an embodiment of the utility model.

[0019] Reference numerals:

[0020] No. 1 furnace body 11; No. 2 furnace body 12; No. 3 furnace body 13; No. n furnace body 14;

[0021] Furnace body No. n+1 21; furnace body No. n+2 22; furnace body No. n+3 23; furnace body No. 2n 24;

[0022] No. 2n+1 furnace body 31; No. 2n+2 furnace body 32; No. 2n+3 furnace body 33; No. 3n furnace body 34;

[0023] (m-1)*n+1 furnace body 41; (m-1)*n+2 furnace body 42; (m-1)*n+3 furnace body 43; m*n furnace body 44;

[0024] A first air inlet 51; a first air outlet 52; a first flow meter 53; a second air inlet 54; a second air outlet 55; a second flow meter 56;

[0025] A first exhaust pipe 61; a second exhaust pipe 62; a third exhaust pipe 63; an xth exhaust pipe 64; an outlet port 65;

[0026] A first valve 71; a second valve 72; a third valve 73; an xth valve 74;

[0027] Exhaust fan 81; dust filter 82; exhaust gas absorption pool 83; fume hood 84. DETAILED DESCRIPTION

[0028] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0029] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0030] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0031] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0032] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0033] In the specification and claims of the utility model, if the term "first" or "second" is involved, it may explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, "multiple" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the related objects are in an "or" relationship.

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" involved 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] The voltage stabilizing device for the experimental furnace according to the embodiment of the utility model is described in detail below with reference to the accompanying drawings.

[0037] like Figure 1 As shown, the voltage stabilizing device for the experimental furnace according to the embodiment of the utility model includes a plurality of first furnace bodies, a plurality of second furnace bodies and an exhaust fan 81.

[0038] Specifically, each first furnace body is provided with a first air inlet 51, a first air outlet 52 and a first flowmeter 53, and each first air outlet 52 on the first furnace body is connected through a first exhaust pipe 61 having a first valve 71. Each second furnace body is provided with a second air inlet 54, a second air outlet 55 and a second flowmeter 56, and each second air outlet 55 on the second furnace body is connected through a second exhaust pipe 62 having a second valve 72, and the first exhaust pipe 61 and the outlet end 65 of the second exhaust pipe 62 are connected to each other. The exhaust fan 81 is provided on the outlet end 65 where the first exhaust pipe 61 and the second exhaust pipe 62 are connected to each other, so that the exhaust fan 81 can simultaneously discharge the waste gas and dust in the multiple first furnace bodies and the multiple second furnace bodies, and control the air pressure in the multiple first furnace bodies and the multiple second furnace bodies to be consistent.

[0039] In other words, if Figure 1 As shown, the voltage stabilizing device for the experimental furnace according to the embodiment of the utility model is mainly composed of a plurality of first furnace bodies, a plurality of second furnace bodies and an exhaust fan 81. Among them, each first furnace body is provided with a first air inlet 51, a first air outlet 52 and a first flow meter 53, and the first flow meter 53 can be arranged at the first air inlet 51 of the first furnace body to detect the air intake flow of the first furnace body. The first air outlet 52 on each first furnace body can be connected through a first exhaust pipe 61 having a first valve 71. Multiple first furnace bodies can be directly connected through the first exhaust pipe 61, and the exhaust gas and dust generated in the first furnace body can be discharged through the first exhaust pipe 61.

[0040] like Figure 1As shown, each second furnace body is provided with a second air inlet 54, a second air outlet 55 and a second flow meter 56. The second flow meter 56 can be provided at the second air inlet 54 of the second furnace body to detect the air intake flow of the second furnace body. The second air outlet 55 on each second furnace body can be connected through a second exhaust pipe 62 having a second valve 72, and the waste gas and dust generated in the second furnace body are discharged through the second exhaust pipe 62. The first exhaust pipe 61 and the lead-out end 65 of the second exhaust pipe 62 can be connected to each other, so as to facilitate the simultaneous discharge of waste gas and dust in multiple first furnace bodies and multiple second furnace bodies, and ensure the consistency of air pressure in each first furnace body and each second furnace body.

[0041] like Figure 1 As shown, the exhaust fan 81 is installed on the outlet end 65 where the first exhaust pipe 61 and the second exhaust pipe 62 are interconnected. The exhaust fan 81 can be a variable frequency exhaust fan 81, and the exhaust fan 81 can simultaneously exhaust the exhaust gas and dust in the multiple first furnace bodies and the multiple second furnace bodies, so as to control the air pressure in the multiple first furnace bodies and the multiple second furnace bodies to be consistent. Without manually adjusting the air pressure on each furnace body, the air pressure in each furnace body can be guaranteed to be consistent, so that the air pressure variable in the experimental furnace is consistent, which effectively improves the accuracy of the experiment, ensures the repeatability of the experiment, is easy to control and simple to operate.

[0042] It should be noted that the voltage stabilizing device for the experimental furnace of the utility model can be applied to the sintering process of sodium ion oxide positive electrode materials. The first air inlet 51 of the first furnace body and the second air inlet 54 of the second furnace body can be used to introduce the oxygen required for the sintering of the materials respectively. At the same time, the exhaust fan 81 can simultaneously discharge the waste gas and dust generated during the sintering process of each furnace body, so as to avoid excessive airflow causing temperature fluctuations in the furnace and causing poor consistency of the sintered material, and difficult to reproduce and other problems. In the following embodiments of the utility model, the application of the voltage stabilizing device for the experimental furnace in the sintering process of sodium ion oxide positive electrode materials is used as an example for specific description. Of course, those skilled in the art can understand that the voltage stabilizing device for the experimental furnace of the utility model can also be used in other experiments that require the use of a furnace body, and will not be described in detail in the utility model.

[0043] Therefore, according to the pressure stabilizing device for the experimental furnace of the embodiment of the utility model, multiple first furnace bodies are connected through a first exhaust pipe 61 with a first valve 71, and multiple second furnace bodies are connected through a second exhaust pipe 62 with a second valve 72. The outlet ends 65 of the first exhaust pipe 61 and the second exhaust pipe 62 are connected to each other, and the outlet end 65 is connected to the exhaust fan 81, so as to effectively discharge waste gas or dust. Moreover, there is no need to manually adjust the air pressure on each furnace body, so that the air pressure in each furnace body can be kept consistent, so that the air pressure variable in the experimental furnace is consistent, which effectively improves the accuracy of the experiment, ensures the repeatability of the experiment, is easy to control and simple to operate.

[0044] According to an embodiment of the present invention, the voltage stabilizing device for the experimental furnace further includes: a dust filter 82 , and the dust filter 82 is arranged between the exhaust fan 81 and the outlet end 65 .

[0045] That is to say, Figure 1 As shown, the voltage stabilizing device for the experimental furnace also includes: a dust filter 82. The dust filter 82 can be installed between the exhaust fan 81 and the outlet end 65. The dust discharged through the outlet end 65 can be filtered by the dust filter 82 to prevent the dust from being directly discharged into the environment and polluting the environment.

[0046] According to an embodiment of the present invention, the voltage stabilizing device for the experimental furnace further includes: a waste gas absorption pool 83 , which is connected to the exhaust fan 81 to absorb the waste gas discharged by the exhaust fan 81 .

[0047] In other words, Figure 1 As shown, the voltage stabilizing device for the experimental furnace also includes a waste gas absorption pool 83, wherein the waste gas absorption pool 83 can be connected to the exhaust fan 81, and the waste gas absorption pool 83 is arranged at the discharge end of the exhaust fan 81. The waste gas discharged by the exhaust fan 81 can be washed by the waste gas absorption pool 83, and the gas harmful to the environment is absorbed and discharged into the environment after being treated, so as to prevent the harmful gas from polluting the environment.

[0048] According to an embodiment of the utility model, a sodium hydroxide solution is contained in the waste gas absorption tank 83. Taking the sintering of sodium ion oxide positive electrode materials as an example, during the sintering process of the sodium ion oxide positive electrode materials in the furnace, carbon dioxide, water vapor, a small amount of metal dust, and sulfur-containing, nitrogen-containing and other waste gases will be generated, wherein a small amount of metal dust can be filtered through the dust filter 82, and waste gases such as carbon dioxide, sulfur dioxide, and nitrogen dioxide can be absorbed and treated by the sodium hydroxide solution in the waste gas absorption tank 83. After the waste gas is treated, the harmless waste gas can be discharged into the environment to prevent pollution to the environment.

[0049] Of course, those skilled in the art will understand that the specific type of solution contained in the waste gas absorption tank 83 can be specifically set according to the type of waste gas to be treated, and will not be described in detail in the present utility model.

[0050] According to one embodiment of the utility model, Figure 1 As shown, the voltage stabilizing device for the experimental furnace also includes: a fume hood 84, which is connected to the exhaust gas absorption tank 83. By setting the fume hood 84, the exhaust gas treated by the absorption tank can be quickly discharged, thereby improving the exhaust gas discharge efficiency.

[0051] According to one embodiment of the utility model, Figure 1As shown, a first exhaust valve is integrated at the first gas outlet 52 of each first furnace body, and a second exhaust valve is integrated at the second gas outlet 55 of each second furnace body.

[0052] That is, each first furnace body can be provided with a first exhaust valve, which is integrated at the first gas outlet 52. Each second furnace body can be provided with a second exhaust valve, which is integrated at the second gas outlet 55, so that each furnace body can adjust the exhaust flow of the exhaust gas.

[0053] According to one embodiment of the utility model, Figure 1 As shown, a plurality of first furnace bodies are arranged in rows at intervals to form a first row of furnace bodies, wherein the plurality of first furnace bodies can be numbered as furnace body No. 1 11, furnace body No. 2 12, furnace body No. 3 13 ... furnace body No. n 14. A plurality of second furnace bodies are arranged in rows at intervals to form a second row of furnace bodies, wherein the first row of furnace bodies and the second row of furnace bodies form a matrix arrangement, and the plurality of second furnace bodies can be numbered as furnace body No. n+1 21, furnace body No. n+2 22, furnace body No. n+3 23 ... furnace body No. 2n 24. After the exhaust fan 81 is working, the dust and waste gas generated by the first row of furnace bodies and the second row of furnace bodies can be discharged to the dust filter 82, waste gas absorption pool 83 and other devices through the first exhaust pipe 61 and the second exhaust pipe 62 at the same time, which can not only achieve the purpose of stabilizing the pressure of each furnace body and ensure the consistency of the sintering temperature and gas pressure in each furnace, but also effectively remove the dust and harmful gases in the waste gas to prevent the waste gas from polluting the environment.

[0054] According to one embodiment of the utility model, Figure 1 As shown, the voltage stabilizing device for the experimental furnace also includes: a plurality of third furnace bodies, a plurality of fourth furnace bodies... a plurality of mth furnace bodies, a plurality of third furnace bodies are arranged in rows to form a third row of furnace bodies, a plurality of fourth furnace bodies are arranged in rows to form a fourth row of furnace bodies... a plurality of mth furnace bodies are arranged in rows to form an mth row of furnace bodies, the third row of furnace bodies, the fourth row of furnace bodies... the mth row of furnace bodies are connected to each other through the third exhaust pipe 63, the fourth exhaust pipe... the xth exhaust pipe 64 and the first exhaust pipe 61 and the second exhaust pipe 62 through the lead-out end 65, the third exhaust pipe 63 is provided with a third valve 73, and the xth exhaust pipe 64 is provided with an xth valve 74. The voltage stabilizing device for the experimental furnace of the utility model can be arranged with multiple rows of furnace bodies at the same time according to actual needs, so as to realize voltage stabilization and dust and exhaust gas treatment of each furnace body in the multiple rows of furnace bodies, thereby improving experimental efficiency.

[0055] According to one embodiment of the utility model, Figure 1As shown, multiple third furnace bodies are numbered as furnace body 2n+1 31, furnace body 2n+2 32, furnace body 2n+3 33 ... furnace body 3n 34, and multiple m-th furnace bodies are numbered as furnace body (m-1)*n+1 41, furnace body (m-1)*n+2 42, furnace body (m-1)*n+3 43 ... furnace body m*n 44, and the first row of furnace bodies, the second row of furnace bodies ... the m-th row of furnace bodies form an m*n matrix, wherein m and n are both ≥2.

[0056] The simple voltage stabilizing device for the experimental furnace of the utility model can be used in a small box-type furnace for the research and development of sodium ion positive electrode materials. In addition to achieving the purpose of voltage stabilization, it can also effectively remove dust and waste gas in tail gas.

[0057] like Figure 1 As shown, in the utility model, first, the experimental furnaces (each furnace body) whose furnace pressure is to be controlled can be placed side by side and numbered in sequence as furnace body No. 1 11, furnace body No. 2 12, furnace body No. 3 13, ... furnace body No. n 14, ... furnace body No. m*n 44 (wherein, m, n ≥ 2), wherein furnace body No. 1 11, furnace body No. 2 12, furnace body No. 3 13, ... furnace body No. n 14 form a first row of furnace bodies and are connected to the same exhaust pipe (first exhaust pipe 61), and a first valve 71 with an adjustable opening and closing degree is provided on the first exhaust pipe 61.

[0058] Similarly, the second exhaust pipe 62 is connected to the furnace body n+1 21 , the furnace body n+2 22 , the furnace body n+3 23 . . . the furnace body 24 in the second row of furnace bodies, and a second valve 72 with adjustable opening and closing degree is provided on the second exhaust pipe 62 .

[0059] By analogy, the xth exhaust pipe 64 and the xth valve 74 are connected to furnace body No. (m-1)*n+1 41, furnace body No. (m-1)*n+2 42, furnace body No. (m-1)*n+3 43 ... furnace body No. m*n 44 in the mth row of furnace bodies.

[0060] According to the above series-parallel method, an m*n box furnace matrix is ​​obtained, and the values ​​of m and n are both ≥ 2; the larger the values ​​of m and n, the more experimental schemes the matrix can be compatible with.

[0061] According to the above matrix and valve switch function, flexible experimental design can be achieved;

[0062] like Figure 1As shown, in the present invention, the use is explained by taking 6 box-type furnaces (furnace bodies) working simultaneously as an example, using a 3*2 box-type furnace matrix, the first valve 71 of the first exhaust pipe 61, and the second valve 72 of the second exhaust pipe 62, are both in an open state, and the first exhaust valve of the first air outlet 52 of furnace body No. 11, furnace body No. 2, furnace body 12, and furnace body No. 3, 13 connected to the first exhaust pipe 61 is opened, and the redundant first exhaust valves on furnace body No. 4...furnace body No. n 14 and other furnace bodies on the first row of pipes are closed.

[0063] Open the second exhaust valves of the second gas outlets 55 of the n+1 furnace body 21, n+2 furnace body 22, and n+3 furnace body 23 connected to the second exhaust pipe 62, and close the second exhaust valves of the redundant furnace bodies n+4, n+5, ... 2n furnace body 24 on the second exhaust pipe 62. Finally, ensure that the furnace bodies 11, 2, 3, 13, n+1, 21, n+2, 22, and n+3 on the box-type furnace matrix are in normal working condition.

[0064] Then, the method of the utility model for adjusting the interior of the experimental furnace to be at a slight negative pressure or slight positive pressure is to turn on the variable frequency exhaust fan 81, keep the normal working No. 1 furnace body 11, No. 2 furnace body 12, No. 3 furnace body 13, and the air intake of the furnace body n+1 21, No. n+2 furnace body 22, and No. n+3 furnace body 23 consistent with the process requirements, adjust the flow meter (the first flow meter 53 and the second flow meter 56) of each box furnace to control the air intake, and adjust the frequency of the adjustable first valve 71, the second valve 72 and the exhaust fan 81 to systematically control the internal air pressure of the six furnace bodies, so as to effectively control the consistency of the internal air pressure of the six furnace bodies;

[0065] In addition, the 3*2 matrix box furnaces are collected through the first exhaust pipe 61 and the second exhaust pipe 62 through the lead-out end 65 pipe, and then through the dust filter 82, which effectively collects all the dust generated in the furnace body to avoid laboratory dust pollution. The exhaust gas containing carbon dioxide, sulfur, and nitrogen elements extracted by the variable frequency fan is further passed through the exhaust gas absorption pool 83, and the harmful exhaust gas is also treated. Finally, the exhaust gas after filtration and absorption contains almost no dust and harmful gas components, and can be directly discharged to the outside through the fume hood 84.

[0066] It should be noted that the above description is based on a 3*2 matrix. The actual process can be adjusted according to the actual number of units used. For example, if 9 units are required to work simultaneously, a 3*3 matrix can be used. If 8 units are required to work simultaneously, a 4*2 matrix or a 2*4 matrix can be used. In special cases, when the number of units used does not meet the requirements of an integer matrix, it can also be compatible. For example, if 7 box furnaces are required, a 3*2+1 or 4*2-1 mode can be used.

[0067] According to one embodiment of the utility model, Figure 1 As shown, the structures of furnace body No. 1 11, furnace body No. 2 12 ... m*n furnace bodies can be the same furnace body to ensure the consistency of various variables in the experiment. Of course, those skilled in the art can also understand that whether the structures of furnace body No. 1 11, furnace body No. 2 12 ... m*n furnace bodies are the same can be specifically set according to actual needs, and will not be described in detail in the present utility model.

[0068] In summary, according to the voltage stabilizing device for the experimental furnace of the embodiment of the utility model, multiple first furnace bodies are connected through the first exhaust pipe 61 with the first valve 71, and multiple second furnace bodies are connected through the second exhaust pipe 62 with the second valve 72. The outlet ends 65 of the first exhaust pipe 61 and the second exhaust pipe 62 are connected to each other, and the outlet end 65 is connected to the exhaust fan 81, which effectively discharges waste gas or dust, and there is no need to manually adjust the air pressure on each furnace body, so that the air pressure in each furnace body can be guaranteed to be consistent, so that the air pressure variable in the experimental furnace is consistent, effectively improving the accuracy of the experiment, ensuring the repeatability of the experiment, easy to control and simple to operate. At the same time, dust and harmful gases can be effectively treated by the dust filter 82 and the waste gas absorption pool 83 to prevent harmful gases from polluting the environment.

[0069] Of course, for those skilled in the art, other structures and working principles of the voltage stabilizing device for the experimental furnace are understandable and achievable, and will not be described in detail in the present utility model.

[0070] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A voltage stabilizing device for an experimental furnace, characterized in that: include: A plurality of first furnace bodies, each of which is provided with a first air inlet, a first air outlet and a first flow meter, and the first air outlet on each of the first furnace bodies is connected through a first exhaust pipe having a first valve; A plurality of second furnace bodies, each of which is provided with a second air inlet, a second air outlet and a second flow meter, and the second air outlet on each of the second furnace bodies is connected through a second exhaust pipe having a second valve, and the first exhaust pipe is connected to the outlet end of the second exhaust pipe; An exhaust fan is arranged on the outlet end where the first exhaust pipe and the second exhaust pipe are interconnected, so as to discharge the waste gas and dust in the multiple first furnace bodies and the multiple second furnace bodies at the same time through the exhaust fan, and control the air pressure in the multiple first furnace bodies and the multiple second furnace bodies to be consistent.

2. The voltage stabilizing device for the experimental furnace according to claim 1, characterized in that: Also includes: A dust filter is arranged between the exhaust fan and the outlet end.

3. The voltage stabilizing device for the experimental furnace according to claim 1, characterized in that: Also includes: The exhaust gas absorption tank is connected to the exhaust fan to absorb the exhaust gas discharged by the exhaust fan.

4. The voltage stabilizing device for the experimental furnace according to claim 3, characterized in that: The waste gas absorption tank is filled with sodium hydroxide solution.

5. The voltage stabilizing device for the experimental furnace according to claim 3, characterized in that: Also includes: A fume hood is connected to the waste gas absorption tank to discharge the waste gas treated by the absorption tank.

6. The voltage stabilizing device for the experimental furnace according to claim 1, characterized in that: A first exhaust valve is integrated at the first gas outlet of each of the first furnace bodies, and a second exhaust valve is integrated at the second gas outlet of each of the second furnace bodies.

7. The voltage stabilizing device for the experimental furnace according to claim 1, characterized in that: A plurality of the first furnace bodies are arranged in rows at intervals to form a first row of furnace bodies, and the plurality of the first furnace bodies are numbered as furnace body No. 1, furnace body No. 2, furnace body No. 3...furnace body No. n, respectively. A plurality of the second furnace bodies are arranged in rows at intervals to form a second row of furnace bodies, and the first row of furnace bodies and the second row of furnace bodies form a matrix arrangement, and the plurality of the second furnace bodies are numbered as furnace body No. n+1, furnace body No. n+2, furnace body No. n+3...furnace body No. 2n, respectively.

8. The voltage stabilizing device for the experimental furnace according to claim 7, characterized in that: Also includes: A plurality of third furnace bodies, a plurality of fourth furnace bodies...a plurality of mth furnace bodies, a plurality of the third furnace bodies are spaced apart and arranged in rows to form a third row of furnace bodies, a plurality of the fourth furnace bodies are spaced apart and arranged in rows to form a fourth row of furnace bodies...a plurality of the mth furnace bodies are spaced apart and arranged in rows to form an mth row of furnace bodies, the third row of furnace bodies, the fourth row of furnace bodies...the mth row of furnace bodies are connected to each other through the third exhaust pipe, the fourth exhaust pipe...the xth exhaust pipe and the outlet ends of the first exhaust pipe and the second exhaust pipe respectively.

9. The voltage stabilizing device for the experimental furnace according to claim 8, characterized in that: The multiple third furnace bodies are numbered as furnace body 2n+1, furnace body 2n+2, furnace body 2n+3...furnace body 3n, respectively; the multiple m-th furnace bodies are numbered as furnace body (m-1)*n+1, furnace body (m-1)*n+2, furnace body (m-1)*n+3...furnace body m*n, respectively; the first row of furnace bodies, the second row of furnace bodies...the m-th row of furnace bodies form an m*n matrix, wherein m and n are both ≥2.

10. The voltage stabilizing device for the experimental furnace according to claim 9, characterized in that: The structures of the No. 1 furnace body, the No. 2 furnace body, ... the m*n furnace bodies are the same.

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