A burning device for metal spectrum analysis

Abstract

The present application relates to a burning device for metal spectral analysis, and relates to the technical field of metal spectral analysis, comprising: a frame, a gas pipeline for passing gas and an oxygen supply pipeline for passing oxygen are arranged inside the frame, a burning device is arranged above the frame, the burning device comprises an ignition device and a mixing burner assembly, the mixing burner assembly is connected with the gas pipeline and the oxygen supply pipeline, a mixing channel connected with the oxygen supply pipeline is arranged inside the mixing burner assembly, the diameter of the mixing channel gradually increases along the air intake direction, the oxygen supply pipeline can atomize the metal solution, and at the same time, the gas and oxygen are drawn into the mixing channel and mixed, the ignition device is connected with the gas pipeline to ignite the gas and burn the metal solution, a cooling circuit is provided inside the mixing burner assembly, a coolant is passed through the cooling circuit, a nozzle is arranged at the top of the mixing burner assembly, and the cooling circuit is arranged around the outside of the nozzle to cool the mixing burner assembly and the nozzle temperature.

Description

Technical Field

[0001] The present application relates to the technical field of metal spectral analysis, and in particular to a burning device for metal spectral analysis. Background Art

[0002] Flame color reaction is a reaction that causes the flame to show a special color when certain metals or their compounds burn in a colorless flame. The principle is that each element has its own individual spectrum. When the electrons in the metal element absorb energy and jump to a high energy level, they spontaneously jump back to a lower energy level, emitting photons of different wavelengths, thus producing different flame colors.

[0003] The existing method is to detect and analyze the metal component spectrum of the flame by burning metal and using the flame color reaction. During burning, the temperature and shape of the flame should be guaranteed, and other metal impurities should be avoided, so as to ensure the accuracy of the analysis of the metal component spectrum.

[0004] When the existing device burns metal, the flame temperature is low due to the poor mixing between the fuel gas and oxygen. At the same time, the temperature of the burning burner cannot be guaranteed. The burner temperature is too high, resulting in a flame color reaction when the metal at the burner is burned. The above two situations can affect the accuracy of the metal to be detected. Summary of the invention

[0005] The present application provides a burning device for metal spectrum analysis, which can solve the problems of low flame temperature of the existing burning device for metal spectrum analysis, and the device is easily doped with other metals, resulting in inaccurate metal spectrum detection.

[0006] The technical solution of the present application is as follows: A burning device for metal spectral analysis, comprising:

[0007] A frame, wherein a gas pipeline for gas and an oxygen supply pipeline for oxygen are provided inside the frame;

[0008] A burning device, the burning device is arranged above the frame, the burning device comprises an ignition device and a mixing burner assembly, the mixing burner assembly is connected with the gas pipeline and the oxygen supply pipeline, a mixing channel connected with the oxygen supply pipeline is arranged inside the mixing burner assembly, the diameter of the mixing channel gradually increases along the air intake direction, the oxygen supply pipeline can atomize the metal solution, and at the same time, the gas and oxygen are introduced into the mixing channel and mixed, the ignition device is connected with the gas pipeline to ignite the gas and burn the metal solution;

[0009] A cooling circuit is provided inside the mixing burner assembly, and a coolant is passed through the cooling circuit. A nozzle is provided at the top of the mixing burner assembly, and the cooling circuit is arranged around the outside of the nozzle to cool the mixing burner assembly and the nozzle temperature.

[0010] By adopting the above scheme, different types of fuel gas and oxygen are provided respectively by the fuel gas pipeline and the oxygen supply pipeline, and the two gases are evenly mixed in the mixing burner assembly, thereby improving the mixing degree of the fuel gas and oxygen. During the subsequent ignition and combustion, the combustion temperature and shape of the flame can be guaranteed. By setting a mixing channel that gradually increases in size along the air intake direction, while the metal solution is atomized by the oxygen supply pipeline, the oxygen carrying the atomized metal solution can inject the fuel gas and pure oxygen into the mixing channel together, further enhancing the mixing degree between the fuel gas and oxygen. At the same time, a cooling circuit is set in the mixing burner assembly. The use of coolant can not only reduce the overall temperature of the mixing burner assembly, but also reduce the nozzle temperature, thereby preventing the nozzle from melting due to excessively high flame temperature, affecting the detection accuracy of the metal solution, and at the same time extending the flame temperature of the mixing burner assembly.

[0011] In one embodiment of the present application, the gas pipeline includes:

[0012] An acetylene pipeline, one end of which is provided with a first flame arrester and is connected to the mixing burner assembly, and the other end is connected to an acetylene supply device, one end of which is connected to an oxygen supply pipeline, and a first valve body assembly is provided on the acetylene pipeline for controlling the opening and closing and flow of the acetylene pipeline;

[0013] A methane pipeline, one end of which is provided with a second flame arrester and is connected to the mixing burner assembly, the other end of which is connected to a methane supply device, a second valve body assembly is provided on the methane pipeline for controlling the opening and closing and flow of the methane pipeline, an ignition pipeline is also connected to the methane pipeline, one end of which is connected to the ignition device, an air intake pipeline is also connected to the ignition pipeline, and one end of which is connected to an air pump;

[0014] The ignition pipeline is provided with an ignition valve body assembly, and the intake pipeline is provided with an intake valve body assembly.

[0015] By setting up acetylene pipelines and methane pipelines, acetylene gas and methane gas are respectively integrated into the mixed burner assembly through the two corresponding pipelines, so that the purpose of using two different fuel gases to burn metal can be achieved, and the device can select the corresponding fuel gas to be introduced and burned according to different actual working conditions.

[0016] In one embodiment of the present application, the oxygen supply circuit comprises:

[0017] A main pipeline, wherein a third valve body assembly is arranged on the main pipeline, one end of the main pipeline is connected to the oxygen supply equipment, and the other end is respectively connected to a methane premixed oxygen pipeline, an acetylene premixed oxygen pipeline and a metal solution atomization pipeline, one end of the methane premixed oxygen pipeline, the acetylene premixed oxygen pipeline and the metal solution atomization pipeline are all connected to the mixing burner assembly, an atomization valve body assembly and an atomizer are arranged on the metal solution atomization pipeline, one end of the atomizer is connected to the metal solution supply equipment, an acetylene premixed oxygen pipeline is provided with an acetylene premixed valve body assembly, a methane premixed oxygen pipeline is provided with a methane premixed valve body assembly, and the acetylene premixed oxygen pipeline is connected to one end of the acetylene pipeline.

[0018] By adopting the above scheme, the oxygen supply pipeline is divided into three branches, which are used to transport methane and acetylene to the mixing burner assembly respectively, so as to realize the premixing of methane and acetylene and the atomization of the metal solution respectively, so that the combustion efficiency of methane and acetylene is higher. At the same time, the atomization of the metal solution can also make the flame color reaction of the metal burning more obvious.

[0019] In one embodiment of the present application, the mixing burner assembly comprises:

[0020] A mixing chamber, wherein the mixing channel is arranged inside the mixing chamber and extends along the length direction of the mixing chamber, a premixing chamber is arranged below the mixing channel, and two sides of the premixing chamber are respectively connected with one end of a methane premixed oxygen pipeline and one end of a methane pipeline, and a switching nozzle connected with the premixing chamber is fixedly connected at the lower end of the premixing chamber, one end of the switching nozzle is connected with the other end of the atomizer, and an ejection gap is formed between the other end and the mixing channel;

[0021] A combustion block, wherein the combustion block is arranged above the mixing chamber, a secondary mixing chamber is arranged inside the combustion block, the secondary mixing chamber is communicated with the mixing channel, an acetylene interface is opened on the side of the combustion block, and is communicated with one end of the acetylene pipeline through the acetylene interface, the nozzle is arranged at the top of the combustion block, and is communicated with the secondary mixing chamber, and the cooling circuit is arranged inside the combustion block, and is communicated with a coolant circulation supply device.

[0022] By adopting the above scheme, by setting up a mixing chamber and a combustion block, when methane is introduced, methane is introduced into the premixing chamber below the mixing chamber, and driven by the oxygen gas flow with atomized metal solution, the pure oxygen gas flow on the other side can be fully mixed with the methane fuel gas in the mixing channel, thereby improving the mixing degree of methane and oxygen.

[0023] In one embodiment of the present application, the ignition device comprises:

[0024] An igniter, the igniter is mounted on the frame and located on one side of the mixing burner assembly, one end of the igniter is connected to the ignition pipeline, and the other end is close to the nozzle;

[0025] A flame detector is mounted on the frame and located at one side of the igniter. The flame detector is arranged at one side of the igniter, and one end of the flame detector is close to the nozzle.

[0026] By adopting the above scheme, the igniter can ignite the methane in the ignition pipeline, and use the ignited flame to ignite the mixed gas at the nozzle. The flame detector can effectively detect whether the gas at the nozzle has been ignited, thereby realizing the automatic monitoring function of the device.

[0027] In one embodiment of the present application, the burning device for metal spectroscopy analysis also includes a recovery pipeline, one end of which is arranged below the adapter nozzle and connected to the adapter nozzle, and the other end extends to the inside of the recovery box.

[0028] By adopting the above scheme, a recovery pipeline is set up. After the oxygen carrying the atomized solution enters the adapter nozzle, the metal solution remaining and accumulated inside the adapter nozzle can be recovered through the recovery pipeline below the adapter nozzle, thereby allowing the device to avoid wasting the metal solution.

[0029] In one embodiment of the present application, at least two swirl components are sequentially arranged in the cooling circuit along the liquid inlet direction, and the swirl components include:

[0030] A fixing ring, the fixing ring being fixedly mounted on the inner wall of the cooling circuit;

[0031] Axial flow fan blades are rotatably assembled inside the fixing ring.

[0032] By adopting the above scheme and setting up a swirl component, after the coolant passes through the swirl component, it can drive the axial flow fan blades to rotate and generate a swirl, thereby increasing the flow rate of the coolant. At the same time, the coolant that has not been heat exchanged and is located below the cooling circuit can be rotated to the top under the action of rotation, so that it is close to the nozzle and exchanges heat, thereby realizing the axial circulation of the coolant in the cooling circuit and improving the cooling effect at the nozzle.

[0033] In one embodiment of the present application, a matching channel is provided on the inner wall of the mixing chamber along the circumferential direction of the mixing channel, one end of the cooling circuit is connected to a coolant circulation supply device, and the other end is connected to one end of the matching channel through a connecting pipe, and the other end of the matching channel is connected to the coolant circulation supply device.

[0034] In one embodiment of the present application, an auxiliary mixing component is provided inside the matching channel, and the auxiliary mixing component includes:

[0035] A rubber ring, wherein an annular notch is provided on one side of the matching channel close to the mixing channel, and the rubber ring is arranged at the annular notch;

[0036] A deflection rod is embedded in the rubber ring, one end of the deflection rod extends into the interior of the matching channel and is fixedly connected to a foam ball, and the other end of the deflection rod extends into the interior of the mixing channel and is fixedly connected to a wind deflector.

[0037] By adopting the above scheme, by setting an annular matching channel inside the mixing chamber, the coolant inside the cooling circuit can enter the matching channel. When the coolant fluid passes through the foam ball, it can generate a disturbing force on the foam ball, thereby driving the deflection rod to deflect. While the rubber ring is twisted, the wind baffle shakes inside the mixing channel, thereby further improving the mixing degree of oxygen, fuel gas and atomized metal solution inside the mixing channel.

[0038] In one embodiment of the present application, a plurality of ventilation holes spaced apart along the circumference of the adapter nozzle are provided on the outside of one end of the adapter nozzle close to the premixing chamber.

[0039] By arranging a plurality of ventilation holes on the outside of the adapter nozzle, the gas and oxygen can convectively collide with each other at one end of the adapter nozzle close to the premixing chamber, so that the gas and oxygen can be premixed in front of the premixing chamber, which in disguise extends the length of the premixing chamber and further improves the mixing effect of the gas and oxygen.

[0040] In summary, the present application includes at least one of the following beneficial technical effects:

[0041] 1. By setting up a mixing burner assembly, the effective mixing of the gas can be achieved, and the metal solution can be atomized. The oxygen gas flow with the atomized metal solution is used to inject the gas and oxygen respectively, so that the gas and oxygen can be pre-mixed inside the mixing burner assembly, thereby improving the flame intensity during gas combustion.

[0042] 2. By setting up a cooling circuit and a swirl component, after the coolant is introduced into the cooling circuit, the coolant generates a swirl after passing through the swirl component. The axially rotating coolant column cools the nozzle more quickly and efficiently, thereby increasing the service life of the combustion block and ensuring the accuracy of burning the molten metal.

[0043] 3. By setting up a matching channel, after the coolant column passes through the cooling circuit and cools the nozzle and the combustion block, the coolant column can enter the matching channel and continuously rotate in the matching channel to impact the rubber ring and the foam ball, thereby driving the rubber ring to continuously agitate, and at the same time making the deflection rod continuously flap, and the wind baffle can swing with the swing of the deflection rod, thereby increasing the degree of confusion of the gas, oxygen and atomized metal solution in the mixing channel and improving the mixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 This is a front view of a burning device for metal spectrum analysis provided in the first embodiment of the present application;

[0045] Figure 2 This is a front view of the connection between the gas pipeline and the oxygen supply pipeline of a burning device for metal spectrum analysis provided in the first embodiment of the present application;

[0046] Figure 3 This is a schematic diagram of the connection between a gas pipeline and an oxygen supply pipeline of a burning device for metal spectral analysis provided in the first embodiment of the present application;

[0047] Figure 4 This is a front view of a mixed burner assembly of a burning device for metal spectral analysis provided in the first embodiment of the present application;

[0048] Figure 5 It is a front cross-sectional view of a mixing burner assembly of a burning device for metal spectrum analysis provided in the first embodiment of the present application;

[0049] Figure 6 This is a front view of an ignition device for a burning device for metal spectrum analysis provided in the first embodiment of the present application;

[0050] Figure 7 This is a front view of a cyclone assembly of a burning device for metal spectral analysis provided in the second embodiment of the present application;

[0051] Figure 8 This is a front view of a mixed burner assembly of a burning device for metal spectrum analysis provided in the second embodiment of the present application;

[0052] Fig. 9 It is a front cross-sectional view of an auxiliary mixing assembly of a burning device for metal spectral analysis provided in the second embodiment of the present application;

[0053] Fig.10 This is a front view of a deflection rod of a burning device for metal spectrum analysis provided in the second embodiment of the present application;

[0054] Fig.11 This is a front view of an adapter nozzle of a burning device for metal spectral analysis provided in the third embodiment of the present application.

[0055] Description of the reference numerals: 1. Frame; 11. Gas pipeline; 111. Acetylene pipeline; 1111. First flame arrester; 1112. First valve body assembly; 112. Methane pipeline; 1121. Second flame arrester; 1122. Second valve body assembly; 1123. Ignition pipeline; 1124. Air intake pipeline; 1125. Ignition valve body assembly; 1126. Air intake valve body assembly; 12. Oxygen supply pipeline; 121. Main pipeline; 1211. Third valve body assembly; 122. Methane premixed oxygen pipeline; 1221. Methane premixed valve body assembly; 123. Acetylene premixed oxygen pipeline; 1231. Acetylene premixed valve body assembly; 124. Metal solution atomization pipeline; 1241. Atomization valve body assembly; 1242. Atomizer; 2. Burning device ; 21. Ignition device; 211. Ignitor; 212. Flame detector; 22. Mixing burner assembly; 221. Mixing chamber; 2211. Mixing channel; 2212. Premixing chamber; 2213. Adapter nozzle; 2214. Ejection gap; 2215. Matching channel; 2216. Connecting pipe; 2217. Annular gap; 222. Combustion block; 2221. Secondary mixing chamber; 2222. Nozzle; 2223. Cooling circuit; 2224. Acetylene interface; 223. Swirl assembly; 2231. Fixed ring; 2232. Axial flow fan blade; 224. Auxiliary mixing assembly; 2241. Rubber ring; 2242. Deflection rod; 2243. Foam ball; 2244. Wind deflector; 3. Recovery pipeline; 4. Ventilation hole. DETAILED DESCRIPTION

[0056] The following is combined with Figure 1-11 The burning device for metal spectral analysis provided in the present application is further described in detail.

[0057] A burning device for metal spectral analysis provided in an embodiment of the present application includes: a frame 1 and a burning device 2.

[0058] See also Figure 1 and Figure 2 The frame 1 is provided with a gas pipeline 11 for passing gas and an oxygen supply pipeline 12 for passing oxygen;

[0059] See also Figure 1 , Figure 4 and Figure 5The burning device 2 is arranged above the frame 1, and the burning device 2 includes an ignition device 21 and a mixing burner assembly 22. The mixing burner assembly 22 is connected to the gas pipeline 11 and the oxygen supply pipeline 12. A mixing channel 2211 connected to the oxygen supply pipeline 12 is provided inside the mixing burner assembly 22. The diameter of the mixing channel 2211 gradually increases along the air intake direction. The oxygen supply pipeline 12 can atomize the metal solution, and at the same time, inject gas and oxygen into the mixing channel 2211 and mix them. The ignition device 21 is connected to the gas pipeline 11 to ignite the gas and burn the metal solution. By setting the oxygen that can drive the atomized metal solution to enter the mixing burner assembly 22, the metal solution can be atomized while injecting gas and oxygen, so that the two are accelerated to mix in the mixing burner assembly 22 to ensure the intensity of the flame;

[0060] See also Figure 7 A cooling circuit 2223 is provided inside the mixing burner assembly 22, and a coolant is passed through the cooling circuit 2223. A nozzle 2222 is provided at the top of the mixing burner assembly 22, and the cooling circuit 2223 is arranged around the outside of the nozzle 2222 to cool the mixing burner assembly 22 and the nozzle 2222 temperature.

[0061] See also Figure 2 and Figure 3 The gas pipeline 11 includes: an acetylene pipeline 111 and a methane pipeline 112. One end of the acetylene pipeline 111 is provided with a first flame arrester 1111 and is connected to the mixing burner assembly 22. The other end is connected to the acetylene supply device. One end of the acetylene pipeline 111 is connected to the oxygen supply pipeline 12. The acetylene pipeline 111 is provided with a first valve body assembly 1112 for controlling the opening and closing and flow of the acetylene pipeline 111. One end of the methane pipeline 112 is provided with a second flame arrester 1121 and is connected to the mixing burner assembly 22. The other end of the methane pipeline 112 is connected to the methane supply device. The methane pipeline 112 is provided with a second valve body assembly 11 22, used to control the opening and closing and flow rate of the methane pipeline 112, the methane pipeline 112 is also connected to an ignition pipeline 1123, one end of the ignition pipeline 1123 is connected to the ignition device 21, the ignition pipeline 1123 is also connected to an intake pipeline 1124, one end of the intake pipeline 1124 is connected to an air pump, the ignition pipeline 1123 is provided with an ignition valve body assembly 1125, the intake pipeline 1124 is provided with an intake valve body assembly 1126, by setting two kinds of fuel gas and according to the combustion conditions of the two kinds of fuel gas, respectively, they are fully premixed and semi-premixed with oxygen, so that the device can select the fuel gas in a targeted manner according to different actual working conditions.

[0062] In this embodiment, the first valve body assembly 1112 and the second valve body assembly 1122 each include a ball valve, a pressure regulator, a pressure gauge, a pressure sensor, a cut-off valve and a flow valve arranged in sequence along the air intake direction, wherein the number of the flow valves is two;

[0063] The ignition valve body assembly 1125 includes a cut-off valve and a manual flow regulating valve sequentially arranged along the air intake direction;

[0064] The intake valve body assembly 1126 includes a ball valve, a pressure regulator, a cut-off valve and a manual flow regulating valve which are sequentially arranged along the intake direction.

[0065] See also Figure 2 and Figure 3 The oxygen supply pipeline 12 comprises: a main pipeline 121, on which a third valve body assembly 1211 is provided, one end of the main pipeline 121 is connected to the oxygen supply device, and the other end is respectively connected to a methane premixed oxygen pipeline 122, an acetylene premixed oxygen pipeline 123 and a metal solution atomization pipeline 124, one end of the methane premixed oxygen pipeline 122, the acetylene premixed oxygen pipeline 123 and the metal solution atomization pipeline 124 are all connected to the mixing burner assembly 22, and the metal solution atomization pipeline 124 is provided with an atomization valve body assembly 1241 and an atomizer 1242, one end of the atomizer 1242 is connected to the metal solution supply device, the acetylene premixing oxygen pipeline 123 is provided with an acetylene premixing valve body assembly 1231, the methane premixing oxygen pipeline 122 is provided with a methane premixing valve body assembly 1221, the acetylene premixing oxygen pipeline 123 is connected to one end of the acetylene pipeline 111, and the oxygen supply pipeline 12 is provided, and the oxygen supply pipeline 12 is divided into three branches for mixing methane, acetylene and metal solution respectively, thereby improving the mixing degree of the fuel gas, the atomized metal solution and the oxygen.

[0066] In this embodiment, the third valve body assembly 1211 includes the ball valve, pressure regulator, pressure gauge, pressure sensor and cut-off valve arranged in sequence along the air intake direction;

[0067] The methane premixing valve body assembly 1221, the acetylene premixing valve body assembly 1231 and the atomizing valve body assembly 1241 all include a cut-off valve and a flow valve sequentially arranged along the air intake direction;

[0068] The atomizer 1242 is an atomic absorption atomizer 1242;

[0069] The oxygen supply device may be an oxygen cylinder.

[0070] The metal solution supplying device may be a liquid pump (not shown) and a metal solution storage bottle (not shown). The liquid pump is connected to the metal solution storage bottle to pump the metal solution in the metal solution storage bottle into the atomizer 1242. Since the device can be easily obtained by conventional technology, it will not be described in detail.

[0071] See also Figure 4 and Figure 5 The mixing burner assembly 22 includes: a mixing chamber 221 and a combustion block 222, the mixing channel 2211 is arranged inside the mixing chamber 221 and extends along the length direction of the mixing chamber 221, a premixing chamber 2212 is arranged below the mixing channel 2211, and the two sides of the premixing chamber 2212 are respectively connected to one end of the methane premixed oxygen pipeline 122 and one end of the methane pipeline 112, and the lower end of the premixing chamber 2212 is fixedly connected to a switching nozzle 2213 connected to the premixing chamber 2212, one end of the switching nozzle 2213 is connected to the other end of the atomizer 1242, and an injection gap 2214 is formed between the other end and the mixing channel 2211, and the combustion block 222 is arranged above the mixing chamber 221, and a secondary mixing chamber 2212 is arranged inside the combustion block 222. 221, the secondary mixing chamber 2221 is communicated with the mixing channel 2211, an acetylene interface 2224 is provided on the side of the combustion block 222, and is communicated with one end of the acetylene pipeline 111 through the acetylene interface 2224, the nozzle 2222 is arranged at the top of the combustion block 222, and is communicated with the secondary mixing chamber 2221, the cooling circuit 2223 is arranged inside the combustion block 222, and is communicated with the coolant circulation supply device, by setting the mixing chamber 221 and the combustion block 222, the device can select different positions to premix the gas and oxygen according to the different types of gas integrated, generally ensuring the combustion efficiency and intensity of the gas, and at the same time using oxygen with atomized metal solution to inject gas and oxygen to increase the flow rate and mixing degree of the mixed gas.

[0072] See also Figure 4 The ignition device 21 includes: an igniter 211 and a flame detector 212. The igniter 211 is mounted on the frame 1 and is located on one side of the mixing burner assembly 22. One end of the igniter 211 is connected to the ignition pipeline 1123, and the other end is close to the nozzle 2222. The flame detector 212 is mounted on the frame 1 and is located on one side of the igniter 211. The flame detector 212 is arranged on one side of the igniter 211, and one end of the flame detector 212 is close to the nozzle 2222. By arranging the igniter 211 and the flame detector 212, the device can automatically detect whether the gas at the nozzle 2222 generates a flame, thereby improving the automation of the device.

[0073] See also Figure 2 The burning device for metal spectral analysis also includes a recovery pipeline 3, one end of which is arranged below the adapter nozzle 2213 and connected to the adapter nozzle 2213, and the other end extends to the inside of the recovery box. By setting the recovery pipeline 3 and using the recovery pipeline 3 to recover the metal solution that is not fully atomized in the adapter nozzle 2213, the device can recycle and reuse the metal solution.

[0074] Example 2

[0075] The structure of Example 2 is basically the same as that of Example 1, except that:

[0076] See also Figure 7 At least two swirl components 223 are arranged in sequence along the liquid inlet direction inside the cooling circuit 2223, and the swirl component 223 includes: a fixed ring 2231 and an axial flow fan blade 2232. The fixed ring 2231 is fixedly assembled on the inner wall of the cooling circuit 2223, and the axial flow fan blade 2232 is rotatably assembled inside the fixed ring 2231. By arranging the swirl component 223, the coolant can generate a circumferentially rotating coolant column after passing through the swirl component 223, so that the coolant liquid surface near the nozzle 2222 is continuously circulated, thereby further improving the cooling effect of the nozzle 2222 and the entire mixing burner assembly 22.

[0077] See also Figure 8 and Fig. 9 A matching channel 2215 is circumferentially arranged on the inner wall of the mixing chamber 221 along the mixing channel 2211. One end of the cooling circuit 2223 is connected to the coolant circulation supply device, and the other end is connected to one end of the matching channel 2215 through a connecting pipe 2216. The other end of the matching channel 2215 is connected to the coolant circulation supply device.

[0078] See also Fig. 9 and Fig.10An auxiliary mixing component 224 is provided inside the matching channel 2215, and the auxiliary mixing component 224 includes: a rubber ring 2241 and a deflection rod 2242. An annular gap 2217 is opened on the side of the matching channel 2215 close to the mixing channel 2211, and the rubber ring 2241 is arranged at the annular gap 2217. The deflection rod 2242 is embedded in the rubber ring 2241, one end of which extends to the inside of the matching channel 2215 and is fixedly connected with a foam ball 2243, and the other end of which extends to the inside of the mixing channel 2211 and is fixedly connected with a wind baffle 2244. By passing the coolant component that generates a swirl into the inner wall of the mixing chamber 221, the auxiliary mixing component 224 is driven to move, so that the deflection rod 2242 can continuously move inside the mixing channel 2211, so that the gas and oxygen inside the mixing channel 2211 can be fully mixed.

[0079] Example 3

[0080] The structure of Example 3 is basically the same as that of Example 1, except that:

[0081] See also Fig.11 The adapter nozzle 2213 is provided with a plurality of ventilation holes 4 arranged at intervals along its own circumference on the outside of one end close to the premixing chamber 2212. By providing the ventilation holes 4, the gas and oxygen can meet through the ventilation holes 4 when mixing, thereby extending the length of the premixing chamber 2212 in disguised form, and further improving the premixing effect of the gas and oxygen.

[0082] In summary, when acetylene is needed as a fuel gas and metal is burned, acetylene is introduced into the combustion block 222 through the acetylene pipeline 111, and oxygen is introduced into the acetylene premixed oxygen pipeline 123 and the metal solution atomization pipeline 124 through the main pipeline 121, respectively. Since the acetylene premixed oxygen pipeline 123 is connected to one end of the acetylene pipeline 111, acetylene and oxygen can be mixed in advance, and the oxygen entering the metal solution atomization pipeline 124 can carry the metal solution atomized in the atomizer 1242 into the mixing chamber 221, and finally reaches the combustion block 222, and is moderated in the secondary mixing chamber 2221, and finally ejected at the nozzle 2222, and burns under the ignition of the igniter 211, and the atomized metal solution is burned;

[0083] When methane is needed as fuel gas and metal is burned, methane is introduced into the mixing chamber 221 through the methane pipeline 112, and oxygen is introduced into the methane premixing oxygen pipeline 122 and the metal solution atomization pipeline 124 through the main pipeline 121 respectively. The oxygen entering the metal solution atomization pipeline 124 can carry the metal solution atomized in the atomizer 1242 into the mixing chamber 221, and complete premixing with the methane introduced into the mixing chamber. After being mixed in the mixing channel 2211, it finally reaches the combustion block 222, completes mixing in the secondary mixing chamber 2221, and is finally ejected at the nozzle 2222, and burns under the ignition of the igniter 211, and burns the atomized metal solution.

[0084] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A burning device for metal spectral analysis, characterized in that: include: A frame (1), wherein a fuel gas pipeline (11) for passing fuel gas and an oxygen supply pipeline (12) for passing oxygen are provided inside the frame (1); A burning device (2), the burning device (2) being arranged above the frame (1), the burning device (2) comprising an ignition device (21) and a mixing burner assembly (22), the mixing burner assembly (22) being in communication with the gas pipeline (11) and the oxygen supply pipeline (12), the mixing burner assembly (22) being provided with a mixing channel (2211) in communication with the oxygen supply pipeline (12), the diameter of the mixing channel (2211) gradually increasing along the air intake direction, the oxygen supply pipeline (12) being able to atomize the metal solution, and at the same time injecting the gas and oxygen into the mixing channel (2211) and mixing them, the ignition device (21) being in communication with the gas pipeline (11) to ignite the gas and burn the metal solution; A cooling circuit (2223) is provided inside the mixing burner assembly (22), a coolant is passed through the cooling circuit (2223), a nozzle (2222) is provided at the top of the mixing burner assembly (22), and the cooling circuit (2223) is arranged around the outside of the nozzle (2222) to cool the temperature of the mixing burner assembly (22) and the nozzle (2222); The mixing burner assembly (22) comprises: A mixing chamber (221), wherein the mixing channel (2211) is arranged inside the mixing chamber (221) and extends along the length direction of the mixing chamber (221); The inner wall of the mixing chamber (221) is provided with a matching channel (2215) in a circumferential direction along the mixing channel (2211); one end of the cooling circuit (2223) is connected to a cooling liquid circulation supply device, and the other end is connected to one end of the matching channel (2215) through a connecting pipe (2216); and the other end of the matching channel (2215) is connected to the cooling liquid circulation supply device; An auxiliary mixing assembly (224) is provided inside the matching channel (2215), and the auxiliary mixing assembly (224) includes: A rubber ring (2241), wherein a side of the matching channel (2215) close to the mixing channel (2211) is provided with an annular notch (2217), and the rubber ring (2241) is arranged at the annular notch (2217); A deflection rod (2242), wherein the deflection rod (2242) is embedded in the rubber ring (2241), one end of the deflection rod extends into the interior of the matching channel (2215) and is fixedly connected to a foam ball (2243), and the other end of the deflection rod extends into the interior of the mixing channel (2211) and is fixedly connected to a wind deflector (2244).

2. A burning device for metal spectrum analysis according to claim 1, characterized in that: The gas pipeline (11) comprises: An acetylene pipeline (111), wherein one end of the acetylene pipeline (111) is provided with a first flame arrester (1111) and is in communication with the mixing burner assembly (22), and the other end is connected to an acetylene supply device, one end of the acetylene pipeline (111) is in communication with the oxygen supply pipeline (12), and the acetylene pipeline (111) is provided with a first valve body assembly (1112) for controlling the opening and closing and flow rate of the acetylene pipeline (111); A methane pipeline (112), wherein one end of the methane pipeline (112) is provided with a second flame arrester (1121) and is in communication with the mixing burner assembly (22); the other end of the methane pipeline (112) is connected to a methane supply device; a second valve body assembly (1122) is provided on the methane pipeline (112) for controlling the opening and closing and flow rate of the methane pipeline (112); the methane pipeline (112) is also connected to an ignition pipeline (1123); one end of the ignition pipeline (1123) is in communication with the ignition device (21); the ignition pipeline (1123) is also connected to an air intake pipeline (1124); one end of the air intake pipeline (1124) is in communication with an air pump; The ignition pipeline (1123) is provided with an ignition valve body assembly (1125), and the intake pipeline (1124) is provided with an intake valve body assembly (1126).

3. A burning device for metal spectrum analysis according to claim 2, characterized in that: The oxygen supply pipeline (12) comprises: A main pipe (121), wherein a third valve body assembly (1211) is disposed on the main pipe (121), wherein one end of the main pipe (121) is connected to an oxygen supply device, and the other end of the main pipe (121) is respectively connected to a methane premixed oxygen pipe (122), an acetylene premixed oxygen pipe (123) and a metal solution atomization pipe (124), wherein one end of the methane premixed oxygen pipe (122), the acetylene premixed oxygen pipe (123) and the metal solution atomization pipe (124) are all connected to the mixing burner assembly (22). The metal solution atomization pipeline (124) is provided with an atomization valve body assembly (1241) and an atomizer (1242); one end of the atomizer (1242) is communicated with the metal solution supply device; the acetylene premixing oxygen pipeline (123) is provided with an acetylene premixing valve body assembly (1231); the methane premixing oxygen pipeline (122) is provided with a methane premixing valve body assembly (1221); and the acetylene premixing oxygen pipeline (123) is communicated with one end of the acetylene pipeline (111).

4. A burning device for metal spectrum analysis according to claim 3, characterized in that: The mixing burner assembly (22) further comprises: a premixing chamber (2212) is provided below the mixing channel (2211); two sides of the premixing chamber (2212) are respectively connected to one end of the methane premixing oxygen pipeline (122) and one end of the methane pipeline (112); a switching nozzle (2213) connected to the premixing chamber (2212) is fixedly connected to the lower end of the premixing chamber (2212); one end of the switching nozzle (2213) is connected to the other end of the atomizer (1242); and an ejection gap (2214) is formed between the other end and the mixing channel (2211); A combustion block (222), wherein the combustion block (222) is arranged above the mixing chamber (221), a secondary mixing chamber (2221) is arranged inside the combustion block (222), and the secondary mixing chamber (2221) is communicated with the mixing channel (2211), an acetylene interface (2224) is opened on the side of the combustion block (222), and is communicated with one end of the acetylene pipeline (111) through the acetylene interface (2224), the nozzle (2222) is arranged at the top of the combustion block (222), and is communicated with the secondary mixing chamber (2221), and the cooling circuit (2223) is arranged inside the combustion block (222), and is communicated with a cooling liquid circulation supply device.

5. The burning device for metal spectrum analysis according to claim 2, characterized in that: The ignition device (21) comprises: an igniter (211), the igniter (211) being mounted on the frame (1) and located on one side of the mixing burner assembly (22), one end of the igniter (211) being connected to the ignition pipeline (1123), and the other end of the igniter (211) being close to the nozzle (2222); A flame detector (212), the flame detector (212) being mounted on the frame (1) and located on one side of the igniter (211); the flame detector (212) being arranged on one side of the igniter (211), and one end of the flame detector (212) being close to the nozzle (2222).

6. A burning device for metal spectrum analysis according to claim 4, characterized in that: The burning device for metal spectrum analysis also includes a recovery pipeline (3), one end of which is arranged below the adapter nozzle (2213) and connected to the adapter nozzle (2213), and the other end of which extends to the inside of the recovery box.

7. A burning device for metal spectrum analysis according to claim 4, characterized in that: At least two swirl components (223) are arranged in sequence along the liquid inlet direction inside the cooling circuit (2223), and the swirl components (223) include: A fixing ring (2231), wherein the fixing ring (2231) is fixedly mounted on the inner wall of the cooling circuit (2223); Axial flow blades (2232), the axial flow blades (2232) are rotatably assembled inside the fixing ring (2231).

8. The burning device for metal spectrum analysis according to claim 4, characterized in that: The adapter nozzle (2213) is provided with a plurality of ventilation holes (4) spaced apart along its circumference on the outside of one end close to the premixing chamber (2212).

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