Rapid combustion device and multifunctional combustion analyzer

Abstract

The rapid combustion device comprises a combustion bomb cover, a combustion bomb body, an air inlet / outlet, a laser ignition unit, a temperature measurement probe and a constant temperature unit, the combustion bomb cover and the combustion bomb body are detachably connected to form a sealed combustion cavity; a crucible support is arranged in the combustion cavity, the laser ignition unit is arranged above the crucible support, the temperature measurement probe is arranged in a temperature measurement heat storage layer of the combustion bomb body, and the temperature measurement heat storage layer absorbs heat generated by combustion of a sample in a crucible and conducts the heat to the temperature measurement probe to measure combustion heat and temperature rise; the air inlet and outlet is used for oxygenating the combustion cavity before a test and exhausting the combustion cavity after the test; a stirring assembly is further arranged in the combustion cavity, and the constant temperature unit is arranged on the outer side face of the combustion bomb body. Meanwhile, the invention provides a multifunctional combustion analyzer which comprises a weighing mechanism, a mixed gas detection device, an analysis control system and a spectrum detection device, rapid measurement is realized.

Description

Technical Field

[0001] The present application relates to the technical field of substance content detection, and more specifically, to a fast combustion device and a multifunctional combustion analyzer. Background Art

[0002] The calorific value of samples needs to be measured for coal, food, biomass and other materials. In the coal quality testing industry, the existing test methods are generally implemented according to the calorific value determination method of coal in GB / T213-2008.

[0003] The existing calorimeter consists of a combustion oxygen bomb, an inner cylinder, an outer cylinder, a stirrer, water, a temperature transmitter, a sample ignition device, and a temperature measurement and control system. The traditional water temperature calorimeter has the disadvantages of long constant temperature time and long calorific value measurement time, and the water in the water tank needs to be replaced regularly.

[0004] Another type of waterless calorimeter has a metal block replacing the inner cylinder, agitator and water. The oxygen bomb is composed of a double layer of metal, in which a temperature sensor is embedded, and the oxygen bomb itself constitutes the calorimetric system. However, waterless calorimeters also have the disadvantages of slow temperature conduction, long test time, great influence by external ambient temperature, and complex oxygen filling head structure.

[0005] Therefore, there is an urgent need for a fast combustion device that can quickly measure the calorific value of a sample in a water-free structure and has simple equipment maintenance. Summary of the invention

[0006] In order to solve the above technical problems, the present application provides a fast combustion device, which is ignited by laser and has a stirring device inside. The test is fast, the temperature conduction is fast and the temperature of the temperature measuring point is uniform.

[0007] The present application provides a rapid combustion device, the specific technical scheme of which is as follows, including: a combustion bomb cover, a combustion bomb body, an inlet and outlet, a laser ignition unit, a temperature measuring probe, and a constant temperature unit; A sealing ring is provided between the combustion bomb cover and the combustion bomb body, and the combustion bomb cover and the combustion bomb body are detachably connected to form a sealed combustion chamber; A crucible support is provided inside the combustion chamber, and the crucible support is used to install a test crucible; The laser ignition unit is arranged above the crucible support and is used to ignite the sample in the crucible; The temperature measuring probe is arranged in the temperature measuring heat storage layer of the combustion bomb, and the temperature measuring heat storage layer absorbs the heat generated by the combustion of the sample in the crucible and transmits it to the temperature measuring probe to measure the combustion heat and temperature rise; The inlet and outlet ports are used to fill the combustion chamber with oxygen before testing and exhaust the gas after testing; The combustion chamber is also provided with a stirring assembly for stirring the combustion mixed gas inside the combustion chamber; The constant temperature unit is arranged on the outer side of the combustion bomb body and is used to control the temperature of the temperature measuring heat conductive layer of the combustion bomb body.

[0008] Preferably, the temperature measurement and heat storage layer and the combustion bomb body are specifically a split or integrated structure; When the temperature measuring heat storage layer and the combustion bomb body are of a separate structure, the temperature measuring heat storage layer is wrapped and arranged on the outer surface of the combustion bomb body, and the temperature measuring probe is arranged in the temperature measuring heat storage layer; When the temperature measuring heat storage layer and the combustion bomb body are an integrated structure, the combustion bomb body also has a heat storage function, and at this time the temperature measuring probe is arranged in the combustion bomb body.

[0009] Preferably, the specific structure of the stirring component includes: a driving source and a stirring blade, the stirring blade is connected to the driving source through a stirring connecting shaft, and the stirring blade is arranged inside the combustion bomb body.

[0010] Preferably, the stirring assembly is specifically arranged below the crucible support, and the laser ignition unit, the crucible support and the stirring assembly are arranged on the same axis.

[0011] Preferably, the crucible support is specifically connected to the combustion bomb body or the combustion bomb cover.

[0012] Preferably, the incendiary bomb cover and the incendiary bomb body are detachably connected via threads or locking buckles, and are locked and sealed via threads or buckles.

[0013] Preferably, the constant temperature unit specifically includes: a constant temperature chamber, a heating module, and a heat dissipation and refrigeration module; A heat preservation layer for heat preservation is provided on the outside of the constant temperature cavity; The heating module is arranged between the temperature measuring heat storage layer and the insulation layer, and is used to heat the constant temperature cavity and the temperature measuring heat storage layer; A heat dissipation and refrigeration module is also provided in the constant temperature chamber to cool the constant temperature chamber by heat dissipation or refrigeration.

[0014] Preferably, the laser ignition unit comprises: a laser generator and a lens; The laser generator emits laser for high-temperature ignition, and the lens is used for dust prevention and sealing of the laser generator.

[0015] At the same time, the present application also provides a multifunctional combustion analyzer including the above-mentioned fast combustion device, which also includes: a weighing mechanism, a mixed gas detection device, an analysis control system, and a spectrum detection device; The weighing mechanism is used to weigh the sample mass before and after the test, and upload the weighed mass to the analysis and control system; An oxygen source is provided at the front end of the inlet and outlet of the rapid combustion device; The mixed gas detection device detects the combustion mixed gas of the sample to measure the composition and content of the combustion mixed gas; The analysis and control system collects, analyzes and controls data by being electrically connected to other unit components; The spectrum detection device analyzes the combustion flame spectrum and radiation of the collected sample.

[0016] Preferably, the inlet and outlet ports of the fast combustion device specifically include: an inlet channel, a detection gas channel, and an exhaust channel; The front end of the air inlet passage is connected to an oxygen filling device for filling oxygen into the fast combustion device; The oxygenation device comprises an oxygen source, an air intake control solenoid valve, and an air intake pressure detector; the air intake pressure detector is connected to the rapid combustion device; The detection gas channel is connected to the mixed gas detection device, the detection control solenoid valve, the detection pressure controller, and the flow controller; The exhaust channel is connected to the exhaust control solenoid valve and the auxiliary exhaust device, which is used to quickly exhaust and relieve pressure inside the combustion component. The exhaust control solenoid valve is used to control the on-off control of the exhaust channel; The auxiliary exhaust device is used to extract the gas inside the fast combustion device The fast combustion device provided by the present invention is ignited by laser and is provided with a stirring device inside, so that the test is quick, the temperature conduction is quick, and the temperature of the temperature measuring point is uniform. In addition, a constant temperature chamber is added to ensure that it is not affected by the external ambient temperature, thereby improving the measurement accuracy and precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic cross-sectional view of a fast combustion device provided in an embodiment; Figure 2 A schematic cross-sectional view of a fast combustion device provided in another embodiment; Figure 3A schematic cross-sectional view of a fast combustion device provided in yet another embodiment; Figure 4 A schematic diagram of the structure of a multifunctional combustion analyzer provided in one embodiment.

[0019] Figure numerals: 1. fast combustion device; 2. combustion bomb cover; 3. combustion bomb body; 4. inlet and exhaust port; 5. laser ignition unit; 6. temperature measuring probe; 7. constant temperature unit; 8. crucible support; 9. temperature measuring heat storage layer; 10. driving source; 11. stirring blade; 12. constant temperature chamber; 13. heating module; 14. heat dissipation and refrigeration module; 15. insulation layer; 16. laser generator; 17. lens; 18. weighing mechanism; 19. mixed gas detection device; 20. analysis and control system; 21. oxygen source; 22. intake control solenoid valve; 23. intake pressure detector; 24. detection control solenoid valve; 25. detection pressure controller; 26. flow controller; 27. exhaust control solenoid valve; 28. auxiliary exhaust device. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0021] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0022] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application 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 application.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0024] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0025] The present invention is written in a progressive manner.

[0026] The present invention provides a rapid combustion device 1, which mainly comprises: a combustion bomb cover 2, a combustion bomb body 3, an air inlet and outlet 4, a laser ignition unit 5, a temperature measuring probe 6, and a constant temperature unit 7; A sealing ring is provided between the combustion bomb cover 2 and the combustion bomb body 3, and the combustion bomb cover 2 and the combustion bomb body 3 are detachably connected to form a sealed combustion chamber; A crucible support 8 is provided inside the combustion chamber, and the crucible support 8 is used to install a test crucible, so as to facilitate placing a sample in the crucible for calorific value measurement; Furthermore, the laser ignition unit 5 is disposed above the crucible support 8 and is used to ignite the sample in the crucible; The temperature measuring probe 6 is arranged in the temperature measuring heat storage layer 9 of the combustion bomb 3. The temperature measuring heat storage layer 9 absorbs the heat generated by the combustion of the sample in the crucible and conducts it to the temperature measuring probe 6 to measure the combustion heat and temperature rise. The inlet and exhaust ports 4 are used to fill the combustion chamber with oxygen before the test and exhaust the gas after the test; The combustion chamber is also provided with a stirring assembly for stirring the combustion mixed gas inside the combustion chamber; The constant temperature unit 7 is arranged on the outer side of the combustion bomb body 3, and is used to control the temperature of the temperature measuring and heat conducting layer of the combustion bomb body 3; It is understandable that the present application can have a simpler ignition method through laser ignition, and add a stirrer inside the combustion chamber, which is used to mix the internal gas and promote the internal oxygen flow circulation through stirring, which not only reduces the oxygen loss required for combustion, but also makes the combustion more intense and rapid; the temperature is balanced faster at the outside of the cavity metal by promoting gas flow, and the temperature measurement is faster and more accurate. The outside of the device is provided with a temperature control device and a temperature control chamber, which can ensure a temperature measurement base point temperature and avoid the influence of external environmental temperature changes on the internal combustion temperature rise.

[0027] As a preference, in the present application, the specific structural arrangement of the temperature measuring heat storage layer 9 and the combustion bomb body 3 is further limited, and the temperature measuring heat storage layer 9 and the combustion bomb body 3 are specifically a split type or an integrated structure; like Figure 1 As shown, in this embodiment, when the temperature measuring heat storage layer 9 and the combustion bomb body 3 are in a split structure, the temperature measuring heat storage layer 9 is wrapped and arranged on the outer surface of the combustion bomb body 3, and the temperature measuring probe 6 is arranged in the temperature measuring heat storage layer 9; like Figure 2 and Figure 3 As shown, when the temperature measuring heat storage layer 9 and the combustion bomb body 3 are in an integrated structure, the combustion bomb body 3 also has a heat storage function, and at this time the temperature measuring probe 6 is arranged in the combustion bomb body 3; The installation method of the temperature measuring heat storage layer 9 and the opening direction of the combustion bomb cover 2 can be flexibly selected according to actual usage conditions.

[0028] As a preference, the specific structure of the stirring assembly in the present application is further defined, and the specific structure of the stirring assembly includes: a driving source 10 and a stirring blade 11, the stirring blade 11 is connected to the driving source 10 through a stirring connecting shaft, and the stirring blade 11 is arranged inside the combustion bomb body 3; The gas inside the combustion chamber is stirred by the stirring assembly to improve the efficiency of combustion and heat conduction, thereby obtaining a higher measurement efficiency.

[0029] As a preference, the specific arrangement position of the stirring assembly in the present application is further limited, such as Figures 1 to 3 As shown, the stirring assembly is specifically arranged below the crucible support 8, and the laser ignition unit 5, the crucible support 8, and the stirring assembly are arranged on the same axis; The laser ignition unit 5, the crucible support 8 and the stirring assembly are arranged on the same axis, so that the sample can be ignited better and the gas in the combustion chamber can be stirred after ignition.

[0030] As a preference, the specific arrangement position of the crucible support 8 in the present application is further limited, such as Figures 1 to 3 As shown, due to the different placement positions of the combustion chamber, the crucible support 8 is specifically connected to the combustion bomb body 3 or the combustion bomb cover 2, so that the crucible support 8 is always maintained at the center of the combustion chamber to ensure sufficient combustion.

[0031] Furthermore, in the present application, the detachable connection relationship between the combustion bomb cover 2 and the combustion bomb body 3 is further limited. In order to ensure the sealing effect of the combustion chamber, the combustion bomb cover 2 and the combustion bomb body 3 are detachably connected by threads or locking buckles, and are locked and sealed by threads or buckles.

[0032] Preferably, the constant temperature unit 7 in the present application is an important guarantee unit for ensuring that the measurement accuracy and precision are improved without being affected by the external ambient temperature. The specific structure of the constant temperature unit 7 includes: a constant temperature chamber 12, a heating module 13, and a heat dissipation and refrigeration module 14; The outer side of the constant temperature chamber 12 is provided with an insulation layer 15 for heat preservation, which is used to keep the combustion chamber warm and prevent the external environment temperature from affecting the combustion calorific value reference; The heating module 13 is disposed between the temperature measuring heat storage layer 9 and the insulation layer 15, and is used to heat the constant temperature cavity 12 and the temperature measuring heat storage layer 9; like Figure 1 and Figure 2 In the embodiment shown, the heating module 13 is arranged at intervals from the temperature measuring and heat storage layer 9. Figure 3 In the embodiment of the present invention, the heating module 13 is arranged close to the outer surface of the temperature measuring and heat storage layer 9; The constant temperature chamber 12 is further provided with a heat dissipation and refrigeration module 14 for cooling the constant temperature chamber 12 by heat dissipation or refrigeration, so that the constant temperature unit 7 always maintains a single temperature.

[0033] As a preference, the specific structure of the laser ignition unit 5 in the present application is further defined, and the laser ignition unit 5 comprises: a laser generator 16 and a lens 17; The laser generator 16 emits laser for high-temperature ignition, and the lens 17 is used to prevent dust and seal the laser generator 16 to ensure the consistency of sample ignition.

[0034] At the same time, the present application also provides a multifunctional combustion analyzer, such as Figure 4 As shown, it includes the fast combustion device 1 described above, and also includes: a weighing mechanism 18, a mixed gas detection device 19, an analysis and control system 20, and a spectrum detection device; The weighing mechanism 18 is used to weigh the sample mass before and after the test, and upload the weighed mass to the analysis and control system 20. The ash value of the sample can be calculated by the moisture value and mass error before and after combustion; An oxygen source 21 is provided at the front end of the inlet and outlet port 4 of the fast combustion device 1. The oxygen source 21 is used to provide oxygen to the fast combustion device 1 into which the sample is added before combustion to improve the combustion efficiency of the sample and ensure complete combustion of the sample; The mixed gas detection device 19 detects the combustion mixed gas of the sample to measure the composition and content of the combustion mixed gas; The analysis and control system 20 collects, analyzes and controls data by being electrically connected to other unit components; The spectrum detection device analyzes the combustion flame spectrum and radiation of the collected sample.

[0035] As a preference, the specific structure of the inlet and outlet ports 4 of the fast combustion device 1 in the present application is further limited. Due to the various functional components connected to the multifunctional combustion analyzer, the inlet and outlet ports 4 are specifically defined according to the functional units such as Figure 4 As shown, it includes: an air intake channel, a detection air channel, and an exhaust channel; The front end of the air inlet passage is connected to an oxygenating device for filling oxygen into the interior of the rapid combustion device 1; The oxygenation device comprises an oxygen source 21, an air intake control solenoid valve 22, and an air intake pressure detector 23; the air intake pressure detector 23 is connected to the rapid combustion device 1; The detection gas channel is connected to the mixed gas detection device 19, the detection control solenoid valve 24, the detection pressure controller 25, and the flow controller 26 to ensure that there is sufficient oxygen in the fast combustion device 1 to ensure the combustion quality; The exhaust passage is connected to the exhaust control solenoid valve 27 and the auxiliary exhaust device 28, which are used to quickly exhaust and relieve pressure inside the combustion component. The exhaust control solenoid valve 27 is used to control the on-off control of the exhaust passage; The auxiliary exhaust device 28 is used to extract the gas inside the fast combustion device 1 to ensure that the gas in the combustion component is quickly exhausted and to avoid residual exhaust gas after combustion, which may cause the results of subsequent samples to exceed the tolerance.

[0036] Furthermore, the fast combustion device 1 and the multifunctional combustion analyzer provided by the present invention have the following specific implementation steps: 1. Weigh the mass of the crucible and the combustion sample, open the combustion bomb cover 2, put the sample on the crucible support 8 of the combustion chamber, and record the sample mass and number into the analysis control system 20.

[0037] 2. Close the combustion bomb cover 2, the combustion bomb cover 2 and the combustion bomb body 3 are locked together and the sealing ring is pressed to form a closed combustion chamber; 3. Open the air intake solenoid valve to introduce oxygen into the air intake of the combustion chamber, and then close the air intake solenoid valve after the set pressure is reached; 4. The temperature probe 6 detects the temperature of the fast combustion device 1, and the constant temperature component controls the temperature of the fast combustion device 1; when the temperature is lower than the set temperature, heating control is performed; when the temperature is higher than the set temperature, cooling control is performed; when the temperature of the temperature probe 6 is within the set working allowable range, the laser igniter is used to ignite the combustible sample in the crucible; 5. The stirring assembly is turned on to stir the gas inside the cavity to improve the efficiency of combustion and heat conduction; 6. The temperature measuring probe 6 measures the temperature of the temperature measuring heat storage layer 9 outside the combustion bomb 3 and records it to the analysis and control system 20, completing the combustion and temperature measurement process, and the stirring component stops working; 7. After the combustion is complete, the mixed gas in the mixed space is uniform, the combustion mixed gas is passed into the mixed gas detection module and the flow rate is controlled to detect and measure the mixed gas; 8. After the mixed gas measurement is completed, the rapid combustion device 1 is turned on, and the residual mass of the sample after combustion is measured by the weighing mechanism 18; the ash value of the sample is obtained by calculating the mass difference before and after combustion; 9. The analyzed data is integrated and analyzed through the control calculation module, and the accuracy of the data is improved through mutual inspection and compensation correction between the data; 10. Clean the sample residue in the crucible and the residue in the container, purge and clean the mixed gas detection device, and prepare for the next test.

[0038] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fast combustion device, characterized in that: include: Combustion bomb cover, combustion bomb body, air inlet and outlet, laser ignition unit, temperature measuring probe, constant temperature unit; A sealing ring is provided between the combustion bomb cover and the combustion bomb body, and the combustion bomb cover and the combustion bomb body are detachably connected to form a sealed combustion chamber; A crucible support is provided inside the combustion chamber, and the crucible support is used to install a test crucible; The laser ignition unit is arranged above the crucible support and is used to ignite the sample in the crucible; The temperature measuring probe is arranged in the temperature measuring heat storage layer of the combustion bomb, and the temperature measuring heat storage layer absorbs the heat generated by the combustion of the sample in the crucible and transmits it to the temperature measuring probe to measure the combustion heat and temperature rise; The inlet and outlet ports are used to fill the combustion chamber with oxygen before testing and exhaust the gas after testing; The combustion chamber is also provided with a stirring assembly for stirring the combustion mixed gas inside the combustion chamber; The constant temperature unit is arranged on the outer side of the combustion bomb body and is used to control the temperature of the temperature measuring heat conductive layer of the combustion bomb body.

2. The fast combustion device according to claim 1, characterized in that: The temperature measurement and heat storage layer and the combustion bomb body are specifically a split type or an integrated structure; When the temperature measuring heat storage layer and the combustion bomb body are of a separate structure, the temperature measuring heat storage layer is wrapped and arranged on the outer surface of the combustion bomb body, and the temperature measuring probe is arranged in the temperature measuring heat storage layer; When the temperature measuring heat storage layer and the combustion bomb body are an integrated structure, the combustion bomb body also has a heat storage function, and at this time the temperature measuring probe is arranged in the combustion bomb body.

3. The fast combustion device according to claim 2, characterized in that: The specific structure of the stirring component includes: a driving source and a stirring blade, the stirring blade is connected to the driving source through a stirring connecting shaft, and the stirring blade is arranged inside the combustion bomb body.

4. The fast combustion device according to claim 3, characterized in that: The stirring assembly is specifically arranged below the crucible support, and the laser ignition unit, the crucible support and the stirring assembly are arranged on the same axis.

5. The fast combustion device according to claim 4, characterized in that: The crucible support is specifically connected to the combustion bomb body or the combustion bomb cover.

6. The fast combustion device according to claim 5, characterized in that: The incendiary bomb cover and the incendiary bomb body are specifically detachably connected via threads or locking buckles, and are locked and sealed via threads or buckles.

7. The fast combustion device according to claim 2, characterized in that: The constant temperature unit specifically includes: a constant temperature chamber, a heating module, and a heat dissipation and refrigeration module; A heat preservation layer for heat preservation is provided on the outside of the constant temperature cavity; The heating module is arranged between the temperature measuring heat storage layer and the insulation layer, and is used to heat the constant temperature cavity and the temperature measuring heat storage layer; A heat dissipation and refrigeration module is also provided in the constant temperature chamber to cool the constant temperature chamber by heat dissipation or refrigeration.

8. The fast combustion device according to claim 1, characterized in that: The laser ignition unit comprises: a laser generator and a lens; The laser generator emits laser for high-temperature ignition, and the lens is used for dust prevention and sealing of the laser generator.

9. A multifunctional combustion analyzer, comprising the fast combustion device according to any one of claims 1 to 8, characterized in that: Also includes: Weighing mechanism, mixed gas detection device, analysis and control system, spectrum detection device; The weighing mechanism is used to weigh the sample mass before and after the test, and upload the weighed mass to the analysis and control system; An oxygen source is provided at the front end of the inlet and outlet of the rapid combustion device; The mixed gas detection device detects the combustion mixed gas of the sample to measure the composition and content of the combustion mixed gas; The analysis and control system collects, analyzes and controls data by being electrically connected to other unit components; The spectrum detection device analyzes the combustion flame spectrum and radiation of the collected sample.

10. The multifunctional combustion analyzer according to claim 9, characterized in that: The inlet and outlet ports of the fast combustion device specifically include: an inlet channel, a detection air channel, and an exhaust channel; The front end of the air inlet passage is connected to an oxygen filling device for filling oxygen into the fast combustion device; The oxygenation device comprises an oxygen source, an air intake control solenoid valve, and an air intake pressure detector; the air intake pressure detector is connected to the rapid combustion device; The detection gas channel is connected to the mixed gas detection device, the detection control solenoid valve, the detection pressure controller, and the flow controller; The exhaust channel is connected to the exhaust control solenoid valve and the auxiliary exhaust device, which is used to quickly exhaust and relieve pressure inside the combustion component. The exhaust control solenoid valve is used to control the on-off control of the exhaust channel; The auxiliary exhaust device is used to extract the gas inside the fast combustion device.

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