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 utility model 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 particularly to a rapid combustion device and a multifunctional combustion analyzer. BACKGROUND

[0002] In the measurement of the calorific value of coal, food, biomass and other substances, the existing test method is generally implemented according to GB / T213-2008 Coal Calorific Value Determination Method.

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

[0004] Another waterless calorimeter replaces the inner cylinder, the stirrer and the water with a metal block. The oxygen bomb is composed of a double-layer metal structure, in which a temperature sensor is embedded, and the oxygen bomb itself constitutes a calorimetric system. The waterless calorimeter also has the disadvantages of slow temperature conduction speed, long test time, great influence of external environment temperature, and complex oxygen filling head structure.

[0005] Therefore, there is an urgent need for a rapid combustion device that can quickly measure the calorific value of a sample under a waterless structure and is easy to maintain. INVENTION CONTENTS

[0006] To solve the above technical problems, the present application provides a rapid combustion device, which ignites by laser and is provided with a stirring device inside, so as to be fast in test, fast in temperature conduction and uniform in temperature measurement point temperature.

[0007] The rapid combustion device provided by the present application has the following specific technical solutions. The device comprises a combustion bomb cover, a combustion bomb body, an air inlet and outlet, a laser ignition unit, a temperature measurement probe and a constant temperature unit.

[0008] A sealing ring is arranged 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.

[0009] A crucible support is arranged inside the combustion chamber, and the crucible support is used for mounting a test crucible.

[0010] The laser ignition unit is arranged above the crucible support and is used for igniting the sample in the crucible.

[0011] The temperature measurement probe is arranged in a temperature measurement heat storage layer of the combustion bomb body, the temperature measurement heat storage layer absorbs the heat generated by the combustion of the sample in the crucible, and the heat and temperature rise are measured by the temperature measurement probe.

[0012] The air inlet and outlet are used for oxygen charging before the test of the combustion chamber and exhaust after the test;

[0013] The stirring assembly is further arranged in the combustion chamber and used for stirring the combustion mixture in the combustion chamber;

[0014] The constant temperature unit is arranged on the outer side of the combustion bomb body and used for controlling the temperature of the temperature measuring heat conducting layer of the combustion bomb body.

[0015] Preferably, the temperature measuring heat storing layer and the combustion bomb body are in a split type or an integrated type structure;

[0016] When the temperature measuring heat storing layer and the combustion bomb body are in a split type structure, the temperature measuring heat storing layer is arranged on the outer surface of the combustion bomb body, and the temperature measuring probe is arranged in the temperature measuring heat storing layer;

[0017] When the temperature measuring heat storing layer and the combustion bomb body are in an integrated type structure, the combustion bomb body has a heat storing function, and the temperature measuring probe is arranged in the combustion bomb body.

[0018] Preferably, the stirring assembly comprises a driving source and stirring blades, the stirring blades are connected with the driving source through a stirring connecting shaft, and the stirring blades are arranged in the combustion bomb body.

[0019] Preferably, the stirring assembly is arranged below the crucible support, and the laser ignition unit, the crucible support and the stirring assembly are arranged on the same axis.

[0020] Preferably, the crucible support is connected with the combustion bomb body or the combustion bomb cover.

[0021] Preferably, the combustion bomb cover and the combustion bomb body are detachably connected through threads or locking buckles, and are tightly sealed through thread or buckle connection.

[0022] Preferably, the constant temperature unit comprises a constant temperature cavity, a heating module and a heat dissipation and refrigeration module.

[0023] The constant temperature cavity is provided with a heat preservation layer outside for heat preservation.

[0024] The heating module is arranged between the temperature measuring heat storing layer and the heat preservation layer and used for heating the constant temperature cavity and the temperature measuring heat storing layer.

[0025] The heat dissipation and refrigeration module is further arranged in the constant temperature cavity and used for cooling the constant temperature cavity through heat dissipation or refrigeration.

[0026] Preferably, the laser ignition unit comprises a laser generator and a lens.

[0027] The laser generator emits laser for high-temperature ignition, and the lens is used for dustproof and sealing of the laser generator.

[0028] Meanwhile, the application also provides a multifunctional combustion analyzer comprising the rapid combustion device, and further comprises a weighing mechanism, a mixed gas detection device, an analysis control system and a spectrum detection device.

[0029] The weighing mechanism is used for weighing the sample before and after the test, and uploading the weighed mass to the analysis control system.

[0030] An oxygen source is arranged at the front end of the air inlet and air outlet of the rapid combustion device.

[0031] The mixed gas detection device is used for detecting the combustion mixed gas of the sample, and measuring the composition and content of the combustion mixed gas.

[0032] The analysis control system is electrically connected with other unit components, collects and analyzes data, and controls.

[0033] The spectrum detection device analyzes the combustion flame spectrum and radiation of the collected sample.

[0034] Preferably, the air inlet and air outlet of the rapid combustion device comprises an air inlet channel, a detection gas channel and an air outlet channel.

[0035] The front end of the air inlet channel is connected with an oxygen filling device, which is used for filling oxygen into the rapid combustion device.

[0036] The oxygen filling device comprises an oxygen source, an air inlet control electromagnetic valve and an air inlet pressure detector, and the air inlet pressure detector is connected with the rapid combustion device.

[0037] The detection gas channel is connected with the mixed gas detection device, a detection control electromagnetic valve, a detection pressure controller and a flow controller.

[0038] The air outlet channel is connected with an air outlet control electromagnetic valve and an auxiliary air outlet device, which are used for rapid air outlet and pressure relief in the combustion assembly.

[0039] The auxiliary air outlet device is used for extracting the gas in the rapid combustion device.

[0040] The rapid combustion device provided by the application is ignited by laser, and is provided with a stirring device inside, so that the test is fast, the temperature conduction is fast, the temperature of the temperature measuring point is uniform, a constant temperature cavity is additionally arranged, the influence of the external environment temperature is avoided, and the measurement accuracy and precision are improved. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only represent some of the embodiments of the present application, and all other drawings obtained by those of ordinary skill in the art without creative effort based on these drawings belong to the protection scope of the present application.

[0042] Figure 1 A cross-sectional structure schematic diagram of a rapid combustion device provided by an embodiment is shown in the figure.

[0043] Figure 2 A cross-sectional structure schematic diagram of a rapid combustion device provided by another embodiment is shown in the figure.

[0044] Figure 3 A cross-sectional structure schematic diagram of a rapid combustion device provided by another embodiment is shown in the figure.

[0045] Figure 4 A structure schematic diagram of a multifunctional combustion analyzer provided by an embodiment is shown in the figure.

[0046] The figure shows the following: 1, a rapid combustion device; 2, a combustion bomb cover; 3, a combustion bomb body; 4, an air inlet and outlet; 5, a laser ignition unit; 6, a temperature measurement probe; 7, a constant temperature unit; 8, a crucible support; 9, a temperature measurement heat storage layer; 10, a driving source; 11, a stirring blade; 12, a constant temperature cavity; 13, a heating module; 14, a heat dissipation refrigeration module; 15, a heat preservation layer; 16, a laser generator; 17, a lens; 18, a weighing mechanism; 19, a mixed gas detection device; 20, an analysis control system; 21, an oxygen source; 22, an air inlet control electromagnetic valve; 23, an air inlet pressure detector; 24, a detection control electromagnetic valve; 25, a detection pressure controller; 26, a flow controller; 27, an exhaust control electromagnetic valve; 28, an auxiliary exhaust device. DETAILED DESCRIPTION

[0047] In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the protection scope of the present application.

[0048] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly disposed 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.

[0049] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0050] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" or "several" is two or more, unless otherwise explicitly specified.

[0051] It should be understood that the structure, proportion, size and the like shown in the drawings of the present application are only used to cooperate with the content disclosed in the description, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the present application, and therefore do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0052] The present application is written in a progressive manner.

[0053] The present application provides a kind of quick combustion device 1, it mainly includes: combustion bomb cover 2, combustion bomb body 3, inlet and exhaust port 4, laser ignition unit 5, temperature measuring probe 6, constant temperature unit 7;

[0054] The combustion bomb cover 2 and the combustion bomb body 3 between the sealing ring is equipped, the combustion bomb cover 2 and the combustion bomb body 3 can be detachably connected to form a sealed combustion cavity;

[0055] The combustion cavity is equipped with crucible support 8, the crucible support 8 is used to install test crucible, it is convenient to place sample in crucible and carry out heat value measurement;

[0056] And, the laser ignition unit 5 is located above the crucible support 8, for igniting sample in crucible;

[0057] The temperature measuring probe 6 is arranged in the temperature measuring heat storage layer 9 of the combustion bomb body 3, the temperature measuring heat storage layer 9 absorbs the heat generated by the sample combustion in the crucible, and is conducted to the temperature measuring probe 6 to measure the combustion heat and temperature rise;

[0058] The intake and exhaust port 4 is used for oxygen charging before the test of the combustion cavity and exhaust after the test;

[0059] The stirring assembly is further arranged in the combustion cavity, and is used for stirring the combustion mixture in the combustion cavity;

[0060] The constant temperature unit 7 is arranged on the outer side of the combustion bomb body 3, and is used for controlling the temperature of the temperature measuring heat conduction layer of the combustion bomb body 3;

[0061] It can be understood that the application can have a simpler ignition mode through laser ignition, and a stirrer is arranged in the interior of the combustion cavity, the interior gas is mixed through the stirrer, and the circulation of the interior oxygen is promoted through stirring, so that the oxygen loss amount required for combustion is reduced, and the combustion is further more intense and rapid; the temperature is balanced more quickly on the outside of the cavity metal through promoting the gas flow, and the temperature measurement is more rapid and accurate. The outside of the device is provided with a temperature control device and a temperature control cavity, so as to ensure the temperature measurement base point temperature, and avoid the influence of the change of the external environment temperature on the internal combustion temperature rise.

[0062] As preferred, in the application, the temperature measuring heat storage layer 9 and the combustion bomb body 3 are further limited in specific structure arrangement, and the temperature measuring heat storage layer 9 and the combustion bomb body 3 are specifically a split type or an integral type structure;

[0063] As shown in the figure, Figure 1 in the embodiment, when the temperature measuring heat storage layer 9 and the combustion bomb body 3 are in a split type 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;

[0064] As shown in the figure, Figure 2 and Figure 3 when the temperature measuring heat storage layer 9 and the combustion bomb body 3 are in an integral type structure, the combustion bomb body 3 has a heat storage function at the same time, and at this time, the temperature measuring probe 6 is arranged in the combustion bomb body 3;

[0065] According to the actual use, the mounting mode of the temperature measuring heat storage layer 9 and the opening direction of the combustion bomb cover 2 can be flexibly selected.

[0066] As preferred, in the application, the specific structure of the stirring assembly is further limited, and the specific structure of the stirring assembly includes a driving source 10 and a stirring blade 11, the stirring blade 11 is connected with the driving source 10 through a stirring connecting shaft, and the stirring blade 11 is arranged in the combustion bomb body 3;

[0067] The gas in the combustion cavity is stirred through the stirring assembly, the efficiency of combustion and heat conduction is improved, and higher measurement efficiency is obtained.

[0068] As preferred, the specific arrangement position of the stirring assembly in the present application is further limited as shown in the following: Figures 1 to 3 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.

[0069] The arrangement of the laser ignition unit 5, the crucible support 8 and the stirring assembly on the same axis can better ignite the sample and stir the gas in the combustion cavity after ignition.

[0070] As preferred, the specific arrangement position of the crucible support 8 in the present application is further limited as shown in the following: Figures 1 to 3 As shown, due to the different placement positions of the combustion cavity, the crucible support 8 is specifically connected with the combustion bomb body 3 or the combustion bomb cover 2, so that the crucible support 8 always remains in the center position of the combustion cavity to ensure the sufficiency of combustion.

[0071] Further, the detachable connection relationship between the combustion bomb cover 2 and the combustion bomb body 3 in the present application is further limited. In order to ensure the sealing effect of the combustion cavity, the combustion bomb cover 2 and the combustion bomb body 3 are specifically detachably connected by threads or locking buckles, and are locked and sealed by threads or buckle connection.

[0072] As preferred, the constant temperature unit 7 in the present application is an important guarantee unit for ensuring that it is not affected by the external environment temperature and improving the measurement accuracy and precision. The specific structure of the constant temperature unit 7 includes a constant temperature cavity 12, a heating module 13 and a heat dissipation refrigeration module 14.

[0073] The constant temperature cavity 12 is provided with a heat preservation layer 15 outside for heat preservation, which is used for heat preservation of the combustion cavity to avoid the influence of external environment temperature on the combustion heat value reference.

[0074] The heating module 13 is arranged between the temperature measuring heat storage layer 9 and the heat preservation layer 15, which is used for heating the constant temperature cavity 12 and the temperature measuring heat storage layer 9.

[0075] As shown in the embodiments of Figure 1 and Figure 2 The heating module 13 is arranged between the temperature measuring heat storage layer 9 and the heat preservation layer 15, which is used for heating the constant temperature cavity 12 and the temperature measuring heat storage layer 9. Figure 3 The heating module 13 is arranged between the temperature measuring heat storage layer 9 and the heat preservation layer 15, which is used for heating the constant temperature cavity 12 and the temperature measuring heat storage layer 9.

[0076] The heat dissipation refrigeration module 14 is further arranged in the constant temperature cavity 12, which cools the constant temperature cavity 12 through heat dissipation or refrigeration, so that the constant temperature unit 7 always maintains a single temperature.

[0077] As preferred, in the present application, the specific structure of the laser ignition unit 5 is further limited, and the laser ignition unit 5 comprises a laser generator 16 and a lens 17.

[0078] The laser generator 16 emits laser for high-temperature ignition, and the lens 17 is used for dustproof and sealing of the laser generator 16 to ensure the consistency of sample ignition.

[0079] Meanwhile, the present application also provides a multifunctional combustion analyzer, as shown in Figure 4 which comprises the rapid combustion device 1 described above, and further comprises a weighing mechanism 18, a mixed gas detection device 19, an analysis control system 20, and a spectrum detection device.

[0080] The weighing mechanism 18 is used for weighing the sample before and after the test, and uploading the weighed quality to the analysis control system 20, and the ash content of the sample can be calculated through the moisture value before and after combustion and the quality error;

[0081] The front end of the air inlet and outlet 4 of the rapid combustion device 1 is provided with an oxygen source 21, which is used to provide oxygen in the rapid combustion device 1 before adding the sample to improve the sample combustion efficiency and ensure complete combustion of the sample;

[0082] The mixed gas detection device 19 detects the combustion mixed gas of the sample, which is used to measure the composition and content of the combustion mixed gas;

[0083] The analysis control system 20 is electrically connected with other unit components, collects and analyzes data, and controls;

[0084] The spectrum detection device analyzes the combustion flame spectrum and radiation of the collected sample.

[0085] As preferred, in the present application, the specific structure of the air inlet and outlet 4 of the rapid combustion device 1 is further limited, because the multifunctional combustion analyzer is connected with various functional components, and the air inlet and outlet 4 is specifically according to the functional unit such as Figure 4 as shown, comprising an air inlet channel, a detection gas channel, and an air outlet channel.

[0086] The front end of the air inlet channel is connected with an oxygen filling device, which is used to fill oxygen into the inside of the rapid combustion device 1;

[0087] The oxygen filling device comprises an oxygen source 21, an air inlet control electromagnetic valve 22, and an air inlet pressure detector 23; the air inlet pressure detector 23 is connected with the rapid combustion device 1;

[0088] The detection gas channel is connected with the mixed gas detection device 19, the detection control electromagnetic valve 24, the detection pressure controller 25 and the flow controller 26, so as to ensure sufficient oxygen in the rapid combustion device 1 and guarantee the combustion quality.

[0089] The exhaust channel is connected with the exhaust control electromagnetic valve 27 and the auxiliary exhaust device 28, which is used for rapid exhaust and pressure relief of the combustion assembly.

[0090] The auxiliary exhaust device 28 is used for extracting the gas in the rapid combustion device 1, ensuring that the gas in the combustion assembly is rapidly exhausted, and avoiding the residue of the tail gas after combustion, which causes the result of the subsequent sample to be out of tolerance.

[0091] In addition, the rapid combustion device 1 and the multifunctional combustion analyzer provided by the application have the following specific implementation steps.

[0092] 1. Weigh the crucible and the combustion sample, open the combustion bomb cover 2, put the sample on the crucible support 8 in the combustion cavity, and record the sample quality and number to the analysis control system 20.

[0093] 2. Close the combustion bomb cover 2, and lock and press the sealing ring to form a closed combustion cavity.

[0094] 3. Open the air inlet electromagnetic valve to introduce oxygen into the combustion cavity inlet, and close the air inlet electromagnetic valve after reaching the set pressure.

[0095] 4. The temperature detection probe 6 detects the temperature of the rapid combustion device 1, and the thermostat assembly controls the temperature of the rapid 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 detection probe 6 is within the set working allowable range, the laser igniter is used to ignite the combustible sample in the crucible.

[0096] 5. The stirring assembly is turned on to stir the gas in the cavity, improving the efficiency of combustion and heat conduction.

[0097] 6. The temperature detection probe 6 detects the temperature of the temperature storage layer 9 outside the combustion bomb body 3 and records it to the analysis control system 20, completes the combustion and temperature measurement process, and the stirring assembly stops working.

[0098] 7. After complete combustion, the mixed combustion space gas is uniform, the mixed combustion gas is introduced into the mixed gas detection module and the flow is controlled, and the mixed gas is detected and measured.

[0099] 8. After the mixed gas measurement is completed, the rapid combustion device 1 is opened, and the residual mass of the sample after combustion is measured by the weighing mechanism 18; the ash content of the sample is obtained by calculating the mass difference before and after combustion;

[0100] 9. The analyzed data is fused and analyzed by the control calculation module, the data is compensated and corrected through mutual inspection between the data, and the accuracy of the data is improved;

[0101] 10. The sample residues in the crucible and the residues in the container are cleaned, the mixed gas detection device is purged and cleaned, and the next test is prepared.

[0102] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rapid combustion device, characterized by, The combustion bomb cover, the combustion bomb body, the air inlet and outlet, the laser ignition unit, the temperature measurement probe, and the constant temperature unit are included. A sealing ring is arranged 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 arranged inside the combustion chamber, and the crucible support is used for mounting a test crucible. The laser ignition unit is arranged above the crucible support and is used for igniting the sample in the crucible. The temperature measurement probe is arranged in a temperature measurement heat storage layer of the combustion bomb body, the temperature measurement heat storage layer absorbs heat generated by combustion of the sample in the crucible and conducts the heat to the temperature measurement probe to measure the combustion heat and temperature rise. The air inlet and outlet are used for oxygen charging before the test of the combustion chamber and exhaust after the test. A stirring assembly is further arranged in the combustion chamber and is used for stirring the combustion mixed gas in the combustion chamber. The constant temperature unit is arranged on the outer side of the combustion bomb body and is used for temperature control of a temperature measurement heat conduction layer of the combustion bomb body. The temperature measurement heat storage layer and the combustion bomb body are specifically in a split type or an integrated type.

2. The rapid combustion device of claim 1, wherein When the temperature measurement heat storage layer and the combustion bomb body are in the split type, the temperature measurement heat storage layer is arranged on the outer surface of the combustion bomb body, and the temperature measurement probe is arranged in the temperature measurement heat storage layer. When the temperature measurement heat storage layer and the combustion bomb body are in the integrated type, the combustion bomb body has a heat storage function, and the temperature measurement probe is arranged in the combustion bomb body. The specific structure of the stirring assembly includes a driving source and stirring blades, the stirring blades are connected with the driving source through a stirring connecting shaft, and the stirring blades are arranged in the combustion bomb body.

3. The quick-burn device of claim 2, wherein 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.

4. The quick-burn device of claim 3, wherein The crucible support is specifically connected with the combustion bomb body or the combustion bomb cover.

5. The quick-burn device of claim 4, wherein The combustion bomb cover and the combustion bomb body are specifically detachably connected through threads or locking buckles, and are locked and sealed through the threads or the buckles.

6. The quick-burn device of claim 5, wherein The constant temperature unit specifically includes a constant temperature cavity, a heating module, and a heat dissipation and refrigeration module.

7. The quick-burn device of claim 2, wherein An insulation layer for insulation is arranged on the outer side of the constant temperature cavity. The heating module is arranged between the temperature measurement heat storage layer and the insulation layer and is used for heating the constant temperature cavity and the temperature measurement heat storage layer. The heat dissipation and refrigeration module is further arranged in the constant temperature cavity, and the constant temperature cavity is cooled through heat dissipation or refrigeration. The laser ignition unit includes a laser generator and a lens.

8. The quick-burn device of claim 1, wherein, The laser generator emits laser for high-temperature ignition, and the lens is used for dustproof and sealing of the laser generator. Further included are:

9. A multi-functional combustion analyzer comprising the rapid combustion device according to any one of claims 1 to 8, characterized by, a weighing mechanism, a mixed gas detection device, an analysis control system, and a spectrum detection device. The weighing mechanism is used for weighing the sample before and after the test and uploading the weighed quality to the analysis control system. An oxygen source is arranged at the front end of the air inlet and outlet of the rapid combustion device. The mixed gas detection device detects the combustion mixed gas of the sample and measures the composition and content of the combustion mixed gas. The analysis control system is electrically connected with other unit components, collects and analyzes data, and controls. ​ The spectral detection device analyzes the combustion flame spectrum and radiation of the collected sample.

10. The multi-functional combustion analyzer of claim 9, wherein, The air inlet and exhaust port of the rapid combustion device specifically comprises: an air inlet channel, a detection gas channel, and an exhaust channel. The front end of the air inlet channel is connected to an oxygen charging device for charging oxygen into the rapid combustion device. The oxygen charging device comprises an oxygen source, an air inlet control solenoid valve, and an air inlet pressure detector; the air inlet pressure detector is connected to the rapid combustion device. The detection gas channel is connected to the mixed gas detection device, a detection control solenoid valve, a detection pressure controller, and a flow controller. The exhaust channel is connected to an exhaust control solenoid valve and an auxiliary exhaust device for rapidly exhausting and depressurizing the combustion assembly; the exhaust control solenoid valve is used for controlling the on-off control of the exhaust channel. The auxiliary exhaust device is used for extracting the gas in the rapid combustion device.

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