Device for testing plant combustion performance under pressure and oxygen control conditions

Abstract

The invention discloses a device for testing plant combustion performance under pressure and oxygen control conditions, and relates to the technical field of combustion performance testing devices. Comprising a combustion tank, and pressure control devices are arranged on the two sides of the combustion tank; and the combustion assembly is arranged in the combustion tank. In the experiment process, when the pressure of the air inlet is higher than the specified pressure, the electromagnetic valve of the air inlet is closed, air does not enter the air inlet, and when the pressure of the air inlet is lower than the specified pressure, the electromagnetic valve of the air inlet is opened, and air enters the air inlet; when the gas pressure is higher than the specified pressure in the plant combustion process in the combustion tank, the gas outlet electromagnetic valve is opened, and the gas outlet pipe releases pressure; when the pressure is smaller than the specified pressure, the air outlet electromagnetic valve is closed, the air inlet electromagnetic valve is opened, air inlet is kept, and the air pressure in the combustion tank is kept stable all the time; in the combustion process, the combustion temperature of the plant is recorded in real time, an image of the combustion process is recorded, gas released by combustion of the plant is detected, and the gas concentration is measured.

Description

Technical Field

[0001] The present invention relates to the technical field of combustion performance testing devices, and in particular to a device for testing the combustion performance of plants under controlled pressure and oxygen conditions. Background Art

[0002] Currently, the devices on the market for testing the combustion performance of materials can only measure the combustion performance of chemically synthesized materials such as polyethylene under normal pressure (or low pressure) and the current oxygen concentration. Such devices cannot measure the combustion performance of natural plants under the simultaneous change of different air pressures and oxygen concentrations.

[0003] After retrieval, the application solution with the Chinese patent application number CN202110226709.3 discloses a device and method for determining the flammability of plants. A combustion inner tank is embedded and installed inside the combustion test barrel. Combustion pipes are evenly and angularly installed on the inner side edge of the combustion inner tank. Flame holes are evenly spaced on the side of the combustion pipes. A gas pipe is embedded and connected inside the connecting sleeve. One end of the gas pipe is connected to a universal adjusting pipe at the inner side position of the combustion inner tank. The end of the universal adjusting pipe is connected to an igniter. A regulating valve is connected to the top of one side of the gas pipe. The combustion test barrel in the above literature has the following deficiencies: It cannot measure the combustion performance under the simultaneous change of different air pressures and oxygen concentrations. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies existing in the prior art, and to propose a device for testing the combustion performance of plants under controlled pressure and oxygen conditions.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A device for testing the combustion performance of plants under controlled pressure and oxygen conditions includes: a combustion tank 1, and a series device of an intelligent pressure gauge and an electromagnetic valve is arranged at the air inlet of the combustion tank 1;

[0007] It further includes: a gas supply device. The output end of the gas supply device is connected to a gas pipe. The gas pipe is connected to the series device of the intelligent pressure gauge and the electromagnetic valve. The intelligent pressure gauge is connected to the gas path interface.

[0008] As a preferred embodiment of the present invention: The device for testing the combustion performance of plants under controlled pressure and oxygen conditions further includes an air outlet device, and the air outlet device includes: an intelligent pressure gauge, an electromagnetic valve, a gas particulate matter collector, and a gas component and concentration detector.

[0009] As a preferred embodiment of the present invention: A camera device is arranged on one side of the combustion tank, and one end of the camera device extends into the combustion tank.

[0010] As a preferred embodiment of the present invention: An air outlet pipe is provided on one side of the combustion tank, and the gas particulate matter collection device and the gas component and concentration detection device are arranged on the air outlet pipe.

[0011] As a preferred embodiment of the present invention: A combustion carrier platform is arranged in the combustion tank, and the combustion carrier platform includes:

[0012] A mounting rack, with vertical rods mounted on the outer side of the mounting rack;

[0013] An annular carrier rack, with sleeves fixed on the side of the annular carrier rack. The sleeves are slidably connected up and down to the outer wall of the vertical rod, and a fixing knob for fixing is connected by thread to the inner wall of one side of the vertical rod;

[0014] A support assembly, which is mounted on the annular carrier rack.

[0015] As a preferred embodiment of the present invention: The support assembly includes a horizontal mounting rod. A plurality of mounting grooves are provided at the top of the annular carrier rack, and the horizontal mounting rod is detachably clamped in the mounting grooves of the annular carrier rack.

[0016] As a preferred embodiment of the present invention: Uniformly distributed fixing buckles are provided at the top of the horizontal mounting rod, and a vertical mounting rod is detachably mounted in the fixing buckles.

[0017] As a preferred embodiment of the present invention: The test method of the device for testing the combustion performance of plants includes the following steps:

[0018] S1: Place the test plant material on the combustion carrier platform with adjustable height;

[0019] S2: Adjust the height of the combustion carrier platform to a suitable position;

[0020] S3: Close the end cover to seal the combustion tank;

[0021] S4: Connect the solenoid valve to the pressure gauge, set the pressure parameters, and dynamically adjust the opening and closing of the air inlet according to the pressure in the combustion tank;

[0022] S5: Send the air with the configured oxygen concentration into the combustion tank through the air supply device, and close the solenoid valve until the oxygen concentration output at the gas component and concentration detector in the air outlet device is consistent with the concentration of the introduced gas;

[0023] S6: When the pressure rises to the specified value, turn on the combustion component to ignite the plant fuel;

[0024] S7: During the combustion process, measure the temperature of the flame based on the temperature measuring device, record the entire combustion process based on the imaging device, and collect the combustion particulates through the gas particulate matter collector and measure the gas composition and concentration parameters generated by combustion through the gas component and concentration detector.

[0025] As a preferred embodiment of the present invention, the dynamic regulation method of the air pressure in the combustion tank is specifically as follows: when the pressure of the gas in the combustion tank is higher than the specified pressure, the solenoid valve at the air inlet is closed, and no air enters the inlet. When the pressure at the air inlet is lower than the specified pressure, the solenoid valve at the air inlet is opened, and air enters the inlet. When the pressure of the gas during the combustion of the plants in the combustion tank is higher than the specified pressure, the solenoid valve at the air outlet is opened, and the air outlet pipe releases pressure. When the pressure is less than the specified pressure, the solenoid valve is closed, and the air pressure in the combustion tank is always kept stable.

[0026] The beneficial effects of the present invention are as follows:

[0027] 1. By setting up structures such as the gas path interface and the air outlet pipe, during the experiment, when the pressure of the gas in the combustion tank is higher than the specified pressure, the solenoid valve at the air inlet is closed, and no air enters. The solenoid valve at the air outlet is opened, and the air outlet pipe releases pressure. When the pressure is less than the specified pressure, the solenoid valve at the air inlet is opened, and the solenoid valve at the air outlet is closed, and the air pressure in the combustion tank is always kept stable.

[0028] 2. The present invention mainly solves the problem of testing the combustion parameters of plants under the control of two conditions: pressure and oxygen concentration; this provides a basis for simulating the combustion parameters of plants under different air pressures and oxygen concentrations during the geological history period.

[0029] 3. By setting up the fixing buckle and the longitudinal mounting rod, a mesh structure can be formed to provide support. Moreover, since both the longitudinal mounting rod and the transverse mounting rod can be easily disassembled and assembled, the mesh size can be adjusted according to needs, improving the practicality. Description of the Drawings

[0030] Figure 1 It is a schematic structural diagram of a device for testing the combustion performance of plants under pressure and oxygen control proposed by the present invention;

[0031] Figure 2 It is a schematic structural diagram of another angle of a device for testing the combustion performance of plants under pressure and oxygen control proposed by the present invention;

[0032] Figure 3 It is a schematic structural diagram of the combustion stage of a device for testing the combustion performance of plants under pressure and oxygen control proposed by the present invention;

[0033] Figure 4 It is a schematic structural diagram of the separation of the annular carrier and the transverse mounting rod and the longitudinal mounting rod of a device for testing the combustion performance of plants under pressure and oxygen control proposed by the present invention.

[0034] In the figure: 1 combustion tank, 2 gas path interface, 3 series device of intelligent pressure gauge and solenoid valve, 4 gas pipe, 5 gas supply device, 6 end cover, 7 discharge opening, 8 gas outlet pipe, 9 gas particle collector, 10 temperature measuring device, 11 intelligent pressure gauge, 12 solenoid valve, 13 combustion component, 14 horizontally installed rod, 15 fixing knob, 16 vertical rod, 17 longitudinally installed rod, 18 fixing buckle, 19 mounting bracket, 20 sleeve, 21 annular carrier, 22 mounting groove, 23 imaging device, 24 automatic ignition device, 25 solenoid valve, 26 gas component and concentration detector. Specific embodiments

[0035] The technical solution of the present invention will be further described in detail below in conjunction with specific embodiments.

[0036] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0037] Embodiment 1:

[0038] A device for testing the combustion performance of plants under controlled pressure and oxygen conditions, as Figures 1-4 shown, includes:

[0039] Combustion tank 1, a discharge opening 7 is provided on one side of the combustion tank 1, and an end cover 6 is hinged to the discharge opening 7;

[0040] Combustion component 13, the combustion component 13 is arranged inside the combustion tank 1, and an automatic ignition device 24 for controlling the operation of the combustion component 13 is installed on one side of the combustion tank 1;

[0041] Gas path interface 2, the gas path interface 2 is connected to a series device 3 of an intelligent pressure gauge and a solenoid valve;

[0042] Gas supply device 5, the output end of the gas supply device 5 is connected to a gas pipe 4, the gas pipe 4 is connected to the solenoid valve in the series device 3 of the intelligent pressure gauge and the solenoid valve, and the intelligent pressure gauge in the series device 3 of the intelligent pressure gauge and the solenoid valve is connected to the gas path interface 2;

[0043] Gas outlet device, the gas outlet pipe is arranged on one side of the combustion tank 1, an intelligent pressure gauge 11 and a solenoid valve 25 are arranged on one side of the combustion tank 1 to control the on-off of the gas outlet device;

[0044] Intelligent pressure gauge 11, the intelligent pressure gauge 11 is installed on the combustion tank 1, and the intelligent pressure gauge 11 is electrically connected to the solenoid valve 25;

[0045] Temperature measuring device 10, the temperature measuring device 10 is installed on the combustion tank 1;

[0046] By setting up structures such as the intelligent pressure gauge and solenoid valve series connection device 3 and the air outlet device, during the experiment, when the pressure of the gas in the combustion tank 1 is higher than the specified pressure, the inlet solenoid valve closes and the outlet solenoid valve 25 opens for pressure relief; when the pressure is lower than the specified pressure, the inlet solenoid valve opens and the outlet solenoid valve 25 closes, always maintaining the stability of the air pressure in the combustion tank 1.

[0047] When testing the combustion performance under high-pressure environments, air with different oxygen concentrations configured is sent into the combustion tank 1 through the air supply device 5 until the oxygen concentration detected by the gas component and concentration detector 26 is consistent with the concentration of the introduced gas, then the solenoid valve 25 is closed. When the air pressure rises to the specified value, the combustion component 13 is turned on to ignite the plant fuel.

[0048] The present invention mainly solves the problem of testing the combustion parameters of plants under the control of two conditions, pressure and oxygen concentration; this provides a basis for simulating the combustion parameters of plants under different air pressures and oxygen concentrations during the geological history period. Currently, the existing combustion devices mainly measure the combustion parameters of chemically synthesized materials under the current oxygen concentration and air pressure, and cannot measure the combustion parameters under variable pressure and variable oxygen concentration at the same time, and their combustion platforms cannot be used to measure the combustion performance of plants.

[0049] For the convenience of observation; as Figure 2 shown, the intelligent pressure gauge and solenoid valve series connection device 3 is arranged on one side of the combustion tank 1.

[0050] For the convenience of observation; as Figure 2 shown, a camera device 23 is arranged on one side of the combustion tank 1, and one end of the camera device 23 extends into the combustion tank 1.

[0051] For collecting the particulate matter of the combustion gas; as Figure 1 shown, a gas particulate matter collection device 9 is arranged on the outlet pipe.

[0052] For the convenience of adjusting the position of the plant; as Figure 3 、 Figure 4 shown, a combustion carrier is arranged in the combustion tank 1, and the combustion carrier includes:

[0053] a mounting frame 19, and a vertical rod 16 is installed on the outside of the mounting frame 19;

[0054] a ring-shaped carrier 21, a sleeve 20 is fixed on the side of the ring-shaped carrier 21, the sleeve 20 is slidably connected to the outer wall of the vertical rod 16 up and down, and a fixing knob 15 for fixing is connected to the inner wall of one side of the vertical rod 16 by threads;

[0055] a support assembly, and the support assembly is installed on the ring-shaped carrier 21.

[0056] For the convenience of support; as Figure 3 、Figure 4 As shown, the support assembly includes a horizontally installed rod 14. A plurality of installation slots 22 are formed at the top of the annular carrier 21, and the horizontally installed rod 14 is detachably clamped in the installation slots 22 of the annular carrier 21.

[0057] For the convenience of adjustment; as Figure 3 、 Figure 4 As shown, a uniformly distributed fixing buckle 18 is arranged at the top of the horizontally installed rod 14, and a vertically installed rod 17 is detachably installed in the fixing buckle 18;

[0058] By providing the fixing buckle 18 and the vertically installed rod 17, a mesh structure can be formed to provide support. Moreover, since both the vertically installed rod 17 and the horizontally installed rod 14 can be easily disassembled and assembled, the mesh size can be adjusted according to requirements, improving the practicability.

[0059] Embodiment 2:

[0060] A test method for a device for testing the combustion performance of plants under controlled pressure and oxygen conditions. Based on Embodiment 1, this embodiment includes the following steps:

[0061] S1: Place the plant material to be tested on a combustion carrier with adjustable height;

[0062] S2: Adjust the height of the combustion carrier to a suitable position;

[0063] S3: Close the end cover 6 to seal the combustion tank 1;

[0064] S4: Connect the solenoid valve to the pressure gauge, set the pressure parameters, and dynamically adjust the air pressure in the combustion tank 1;

[0065] S5: Send the air with the configured oxygen concentration into the combustion tank 1 through the gas supply device 5 until the gas composition and concentration detector 26 at the gas outlet detects that the oxygen concentration is consistent with the concentration of the introduced gas, and then close the solenoid valve 25;

[0066] S6: When the air pressure rises to the specified value, turn on the combustion assembly 13 to ignite the plant fuel;

[0067] S7: During the combustion process, measure the temperature of the flame based on the temperature measuring device 10, record the entire combustion process based on the imaging device 23, and collect parameters such as the particulate matter generated by combustion and the gas composition generated by combustion.

[0068] Among them, in S4, dynamically adjusting the air pressure in the combustion tank 1 specifically means: when the pressure of the gas in the combustion tank 1 is higher than the specified pressure, the solenoid valve in device 3 closes, and the solenoid valve 25 at the air outlet opens; when the pressure is less than the specified pressure, the solenoid valve in device 3 opens, and the solenoid valve 25 at the air outlet closes, always keeping the air pressure in the combustion tank 1 stable.

[0069] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, shall be covered by the protection scope of the present invention.

Claims

1. The device for testing the combustion performance of plants under pressure and oxygen controlled conditions is characterized in that: include: A combustion tank 1, wherein an intelligent pressure gauge and a solenoid valve series device (3) connected in series are arranged at the air inlet of the combustion tank 1; It also includes: an air supply device (5), the output end of the air supply device (5) is connected to an air pipe (4), the air pipe (4) is connected to an intelligent pressure gauge and a solenoid valve series device (3), and the intelligent pressure gauge is connected to an air circuit interface (2).

2. The device for testing the combustion performance of plants under pressure and oxygen controlled conditions is characterized in that: It also includes a gas outlet device, which includes: an intelligent air pressure gauge (11), an electromagnetic valve (25), a gas particle collector (9), and a gas composition and concentration detector (26).

3. The device for testing the combustion performance of plants under pressure and oxygen controlled conditions is characterized in that: A camera device (23) is provided on one side of the combustion pot (1), and one end of the camera device (23) extends into the combustion pot (1).

4. A device for testing the combustion performance of plants under pressure and oxygen controlled conditions, characterized in that: The invention comprises a combustion tank (1), wherein a combustion platform is arranged in the combustion tank (1), and the combustion platform comprises: A mounting frame (19), wherein a vertical pole (16) is mounted on the outer side of the mounting frame (19); An annular carrier (21), a sleeve (20) is fixed on the side of the annular carrier (21), the sleeve (20) is slidably connected to the outer wall of the vertical rod (16) up and down, and a fixing knob (15) for fixing is connected to the inner wall of one side of the vertical rod (16) through a thread; A supporting assembly is installed on the annular carrier (21).

5. The device for testing the combustion performance of plants under pressure and oxygen controlled conditions according to claim 4, characterized in that: The support assembly comprises a transverse mounting rod (14), a plurality of mounting grooves (22) are provided on the top of the annular carrier (21), and the transverse mounting rod (14) is detachably clamped in the mounting groove (22) of the annular carrier (21).

6. The device for testing the combustion performance of plants under pressure and oxygen controlled conditions according to claim 5, characterized in that: The top of the transverse mounting rod (14) is provided with evenly distributed fixing buckles (18), and the longitudinal mounting rod (17) is detachably mounted in the fixing buckle (18).

7. A device for testing the combustion performance of plants under pressure and oxygen controlled conditions, characterized in that: The testing method of the device for testing the combustion performance of plants comprises the following steps: S1: The plant material to be tested is placed on a combustion stage with adjustable height; S2: Adjust the height of the combustion platform to a suitable position; S3: closing the end cover (6) to seal the combustion tank (1); S4: Connect the solenoid valve to the pressure gauge, set the pressure parameters, and dynamically adjust the opening and closing of the air inlet according to the pressure in the combustion tank (1); S5: air with a configured oxygen concentration is sent into the combustion tank (1) through the air supply device (5), and the solenoid valve (25) is closed until the gas composition in the gas outlet device and the oxygen concentration output by the concentration detector (26) are consistent with the concentration of the gas introduced; S6: When the gas pressure rises to a specified value, the combustion component (13) is turned on to ignite the plant fuel; S7: During the combustion process, the temperature of the flame is measured using the temperature measuring device (10), the entire combustion process is recorded using the camera device (23), the combustion particles are collected using the gas particle collector (9), and the gas composition and concentration parameters generated by the combustion are measured using the gas composition and concentration detector (26).

8. The device for testing the combustion performance of plants under pressure and oxygen controlled conditions is characterized in that: The dynamic regulation method of the air pressure in the combustion tank (1) is specifically as follows: when the pressure of the gas in the combustion tank (1) is higher than the specified pressure, the electromagnetic valve of the air inlet is closed, and the air inlet is no longer taking in air; when the pressure of the air inlet is lower than the specified pressure, the electromagnetic valve of the air inlet is opened, and the air inlet is taken in; when the pressure of the gas in the combustion tank during the combustion of the plant is higher than the specified pressure, the electromagnetic valve (25) of the air outlet is opened, and the outlet pipe (8) is depressurized; when the pressure is lower than the specified pressure, the electromagnetic valve (25) is closed, and the air pressure in the combustion tank is always kept stable.

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