A coal calorific value testing and analysis device

Abstract

A coal calorific value testing and analysis device comprises a shell and a heat insulation board, the bottom of the left side of the shell is connected with a first electric push rod by bolts, the output end of the first electric push rod passes through the shell and the heat insulation board in sequence and is fixedly connected with a combustion mechanism, and the top of the shell is connected with a second electric push rod by bolts. The utility model has the advantage of automatic slag discharge function through the cooperation of the first electric push rod, the combustion mechanism, the cross plate and the material receiving box. After the combustion is completed, the sealing door is opened upwards, and then the hanging rope is hung on the surface of the protrusion. The first electric push rod is controlled to extend by the controller, and the first electric push rod drives the combustion mechanism to move to the right. When the placement plate moves to the top of the material receiving box, the controller controls the motor to operate, and the output end of the motor rotates 180 degrees, so that the coal slag is discharged into the inner cavity of the material receiving box, completing the automatic slag discharge work.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a coal calorific value testing and analysis device. Background Art

[0002] Coal is the most abundant and widely distributed fossil fuel on earth. After coal is processed, it is necessary to use a coal calorific value testing and analysis device to test the combustion calorific value of the coal.

[0003] After searching, the patent number is CN212722696U, and the name is a utility model for detecting the calorific value of coal, including a base. Through research and analysis, it is found that although the waste liquid is discharged through the waste liquid discharge pipe during use, the fan absorbs the gas and passes through the filter element to filter out harmful gases, and the remaining gas is discharged through the exhaust hole, the toxic gas is processed and discharged, which is convenient for users to use, etc., but, to a certain extent, there are still the following disadvantages.

[0004] For example, the device does not have an automatic slag discharge function. When the coal is burned, the slag needs to be manually collected. This can easily cause burns to the workers during the collection process, which poses a certain safety hazard. In order to solve the above technical problems, we have designed a coal calorific value testing and analysis device. Utility Model Content

[0005] The utility model aims to provide a coal calorific value testing and analyzing device, which has the advantages of automatic slag discharge and cooling functions, and solves the problem that the existing coal calorific value testing and analyzing device cannot automatically discharge the coal slag after combustion during use, and cannot quickly cool down the temperature of the liquid, thereby affecting the next calorific value test work.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A coal calorific value testing and analysis device comprises a shell and a heat insulation plate, a first electric push rod is connected to the bottom of the left side of the shell by bolts, an output end of the first electric push rod penetrates the shell and the heat insulation plate in sequence and is fixedly connected to a combustion mechanism, a second electric push rod is connected to the top of the shell by bolts, an output end of the second electric push rod penetrates the shell and the heat insulation plate in sequence and is fixedly connected to a water tank, a heat conduction plate is penetrated and fixedly connected to the bottom of the water tank, a heat exchange tube is penetrated and fixedly connected to the bottom of the left side of the water tank, a cooling mechanism is penetrated and fixedly connected to the left side of the top of the shell, support legs are riveted to the four corners of the bottom of the shell, a cross plate is riveted to the right side of the support leg, a material receiving box is placed on the top of the cross plate, a controller is connected to the front side of the shell by bolts, a temperature sensor is penetrated and fixedly connected to the right side of the water tank, and a protective cover is riveted to the bottom of the water tank.

[0008] The combustion mechanism includes a motor, the left side of the motor is fixedly connected to the output end of the first electric push rod through a support plate, the output end of the motor is fixedly connected to a rotating plate, the four corners of the top of the rotating plate are connected to a pressure sensor by bolts, the top of the pressure sensor is connected to a placement plate by bolts, the output end of the controller is unidirectionally electrically connected to the motor, and the controller is bidirectionally electrically connected to the pressure sensor.

[0009] The cooling mechanism includes a tube body, the bottom of the tube body passes through the inner cavity of the shell, the top of the tube body passes through and is fixedly connected with a fan, the top of the right side of the tube body is connected with an air supply pipe, the right end of the air supply pipe is connected with a heat exchange pipe, a first electric valve is fixedly installed on the surface of the air supply pipe, the bottom of the right side of the tube body is connected with an oxygen pipe, the right end of the oxygen pipe is connected with a protective cover, a second electric valve is fixedly installed on the surface of the oxygen pipe, and the output end of the controller is unidirectionally electrically connected with the fan, the first electric valve and the second electric valve respectively.

[0010] The left side of the top of the water tank is connected with an exhaust pipe, the top end of the exhaust pipe passes through the heat insulation board and the shell in sequence, and an exhaust valve is fixedly installed on the top of the surface of the exhaust pipe.

[0011] The right end of the heat exchange tube passes through the water tank and is connected to an exhaust pipe. The top end of the exhaust pipe passes through the heat insulation board and the shell in sequence. An exhaust valve is fixedly installed on the top of the exhaust pipe surface.

[0012] The right side of the protective cover is connected with a smoke exhaust pipe, the top end of the smoke exhaust pipe passes through the heat insulation board and the shell in sequence, and a smoke exhaust valve is fixedly installed on the top of the surface of the smoke exhaust pipe.

[0013] A rectangular hole is provided at the bottom of the right side of the shell, and a slide rail is riveted on the front and rear sides of the bottom of the right side of the shell. A sealed door is slidably connected to the inner cavity of the slide rail, a hanging rope is riveted on the top of the sealed door, and a bump is riveted on the top of the right side of the shell.

[0014] A display screen is connected to the top of the front side of the shell by bolts, the outer surface of the heat insulation board is fixedly connected to the inner wall of the shell, the output end of the controller is unidirectionally electrically connected to the first electric push rod, the second electric push rod and the display screen respectively, and the controller is bidirectionally electrically connected to the temperature sensor. Beneficial Effects

[0015] 1. The utility model has the advantage of automatic slag discharge through the cooperation of the first electric push rod, the combustion mechanism, the cross plate and the receiving box. After the combustion is completed, the sealing door is opened upwards, and then the hanging rope is hung on the surface of the protrusion. The first electric push rod is controlled to extend by the controller, and the first electric push rod drives the combustion mechanism to move to the right. When the placement plate moves to the top of the receiving box, the controller controls the motor to operate, and the output end of the motor rotates 180 degrees, so that the coal slag is discharged into the inner cavity of the receiving box, completing the automatic slag discharge work.

[0016] 2. The utility model has the advantage of cooling function through the cooperation of heat exchange tube and cooling mechanism. The fan is controlled by the controller, and then the first electric valve is opened and the second electric valve is closed. At this time, the outside air is transported to the heat exchange tube through the air supply pipe. The heat exchange tube cools the high-temperature liquid in the inner cavity of the water tank, so that it can be cooled quickly without affecting the subsequent calorific value test work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0018] Figure 2 This is a three-dimensional cross-sectional view of the structure of the utility model;

[0019] Figure 3 It is a three-dimensional cross-sectional view of the local structure of the utility model;

[0020] Figure 4 This is a three-dimensional diagram of the combustion mechanism of the utility model;

[0021] In the figure: 1. shell; 2. heat insulation board; 3. first electric push rod; 4. combustion mechanism; 5. second electric push rod; 6. water tank; 7. heat conduction plate; 8. heat exchange tube; 9. cooling mechanism; 10. support leg; 11. horizontal plate; 12. receiving box; 13. controller; 14. temperature sensor; 15. protective cover; 16. motor; 17. rotating plate; 18. pressure sensor; 19. placement plate; 20. pipe body; 21. fan; 22. air supply pipe; 23. first electric valve; 24. oxygen pipe; 25. second electric valve; 26. exhaust pipe; 27. exhaust pipe; 28. smoke exhaust pipe; 29. ​​rectangular hole; 30. display screen. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 4 A coal calorific value testing and analysis device comprises a shell 1 and a heat insulation board 2. The bottom of the left side of the shell 1 is connected with a first electric push rod 3 by bolts. The output end of the first electric push rod 3 sequentially penetrates the shell 1 and the heat insulation board 2 and is fixedly connected with a combustion mechanism 4. The top of the shell 1 is connected with a second electric push rod 5 by bolts. The output end of the second electric push rod 5 sequentially penetrates the shell 1 and the heat insulation board 2 and is fixedly connected with a water tank 6. The bottom of the water tank 6 penetrates and is fixedly connected with a heat conduction plate 7. The bottom of the left side of the water tank 6 penetrates and is fixedly connected with a heat exchange tube 8. The left side of the top of the shell 1 penetrates and is fixedly connected with a cooling mechanism 9. The four corners of the bottom of the shell 1 are riveted with support legs 10. The right side of the support leg 10 is riveted with a horizontal plate 11. A material receiving box 12 is placed on the top of the horizontal plate 11. The front side of the shell 1 is connected with a controller 13 by bolts. The right side of the water tank 6 penetrates and is fixedly connected with a temperature sensor 14. The bottom of the water tank 6 is riveted with a protective cover 15.

[0023] See also Figure 1 and Figure 4 The combustion mechanism 4 includes a motor 16, the left side of the motor 16 is fixedly connected to the output end of the first electric push rod 3 through a support plate, the output end of the motor 16 is fixedly connected to a rotating plate 17, the four corners of the top of the rotating plate 17 are bolted to pressure sensors 18, the top of the pressure sensor 18 is bolted to a placement plate 19, the output end of the controller 13 is unidirectionally electrically connected to the motor 16, and the controller 13 is bidirectionally electrically connected to the pressure sensor 18. By setting the pressure sensor 18, the weight of the coal can be detected to avoid placing too much coal and affecting the detection effect.

[0024] See also Figure 1 and Figure 3 The cooling mechanism 9 includes a tube body 20, the bottom of which passes through the inner cavity of the shell 1, and the top of the tube body 20 is fixedly connected with a fan 21. The top of the right side of the tube body 20 is connected with an air supply pipe 22, and the right end of the air supply pipe 22 is connected with the heat exchange pipe 8. A first electric valve 23 is fixedly installed on the surface of the air supply pipe 22. The bottom of the right side of the tube body 20 is connected with an oxygen pipe 24, and the right end of the oxygen pipe 24 is connected with the protective cover 15. A second electric valve 25 is fixedly installed on the surface of the oxygen pipe 24. The output end of the controller 13 is unidirectionally electrically connected with the fan 21, the first electric valve 23 and the second electric valve 25 respectively. By setting the fan 21, the outside air can be blown into the inner cavity of the tube body 20, thereby facilitating the subsequent oxygen supply and cooling work.

[0025] See also Figure 1 The left side of the top of the water tank 6 is connected to an exhaust pipe 26, the top of the exhaust pipe 26 passes through the insulation board 2 and the shell 1 in sequence, and an exhaust valve is fixedly installed on the top of the surface of the exhaust pipe 26. By setting the exhaust pipe 26, steam can be discharged.

[0026] See also Figure 1 The right end of the heat exchange tube 8 passes through the water tank 6 and is connected to the exhaust pipe 27. The top of the exhaust pipe 27 passes through the insulation board 2 and the shell 1 in sequence. An exhaust valve is fixedly installed on the top of the surface of the exhaust pipe 27.

[0027] See also Figure 2 The right side of the protective cover 15 is connected to a smoke exhaust pipe 28, the top of which passes through the insulation board 2 and the shell 1 in sequence, and a smoke exhaust valve is fixedly installed on the top of the surface of the smoke exhaust pipe 28. By setting the smoke exhaust pipe 28, the smoke can be discharged to prevent the smoke from remaining in the inner cavity of the shell 1.

[0028] See also Figure 2 A rectangular hole 29 is provided at the bottom of the right side of the shell 1, and the front and rear sides of the bottom of the right side of the shell 1 are riveted with slide rails. The inner cavity of the slide rail is slidably connected with a sealed door, and a hanging rope is riveted on the top of the sealed door. A bump is riveted on the top of the right side of the shell 1. By setting the rectangular hole 29, the combustion mechanism 4 can pass through the shell 1, so that the user can place the coal conveniently, and the subsequent automatic slag discharge work is also convenient.

[0029] See also Figure 1 The top of the front side of the shell 1 is connected with a display screen 30 by bolts, the outer surface of the heat insulation board 2 is fixedly connected to the inner wall of the shell 1, the output end of the controller 13 is unidirectionally electrically connected to the first electric push rod 3, the second electric push rod 5 and the display screen 30 respectively, and the controller 13 is bidirectionally electrically connected to the temperature sensor 14.

[0030] When in use, the exhaust pipe 26, the exhaust pipe 27, the smoke exhaust pipe 28, the air supply pipe 22 and the oxygen pipe 24 are all made of retractable pipes. The sealed door is opened upwards, and then the hanging rope is hung on the surface of the protrusion. The first electric push rod 3 is controlled to extend by the controller 13, and the first electric push rod 3 drives the combustion mechanism 4 to move to the right. The combustion mechanism 4 moves to the right side of the shell 1 through the rectangular hole 29, and then coal is placed on the surface of the placement plate 19. The pressure sensor 18 monitors the weight of the coal in real time. When the weight of the coal reaches the preset weight, the addition of coal is stopped and the coal is placed. The coal is ignited, and then the controller 13 controls the first electric push rod 3 to retract, and the combustion mechanism 4 is retracted into the inner cavity of the shell 1. The controller 13 controls the second electric push rod 5 to extend, and the output end of the second electric push rod 5 drives the water tank 6 and the protective cover 15 to move downward, and the bottom of the protective cover 15 contacts the placement plate 19. The coal heats the liquid in the inner cavity of the water tank 6 through the heat conduction plate 7. When steam is generated, the steam is discharged to the outside of the water tank 6 through the exhaust pipe 26 and the exhaust valve. When oxygen supply is needed, the second electric valve 25 is controlled to open by the controller 13 to control the fan 21 to run. The outside air is delivered to the inner cavity of the protective cover 15 through the oxygen pipe 24, so that the coal burns more fully. The excess smoke is discharged to the outside of the shell 1 through the exhaust pipe 28 and the exhaust valve. The temperature sensor 14 monitors the liquid temperature in real time to determine the combustion calorific value of the coal. The controller 13 transmits the calorific value data to the display screen 30 in real time for display. After the test is completed, the controller 13 controls the second electric push rod 5 to retract, controls the fan 21 to run through the controller 13, and then opens the first electric valve 23 and closes the second electric valve 25. At this time, the outside air passes through The air supply pipe 22 is transported to the heat exchange pipe 8, and the heat exchange pipe 8 cools down the high-temperature liquid in the inner cavity of the water tank 6, so that it can be cooled quickly and will not affect the subsequent calorific value test work. When the coal slag needs to be discharged, the controller 13 controls the first electric push rod 3 to extend, and the first electric push rod 3 drives the combustion mechanism 4 to move to the right. When the placement plate 19 moves to the top of the material receiving box 12, the controller 13 controls the motor 16 to operate, and the output end of the motor 16 rotates one hundred and eighty degrees, so as to discharge the coal slag into the inner cavity of the material receiving box 12, and complete the automatic slag discharge work.

[0031] In summary: the coal calorific value testing and analysis device, through the cooperation of the first electric push rod 3, the combustion mechanism 4, the horizontal plate 11, the material receiving box 12, the heat exchange tube 8 and the cooling mechanism 9, solves the problem that the existing coal calorific value testing and analysis device cannot automatically discharge the coal slag after combustion during use, and cannot quickly cool down the temperature of the liquid, thereby affecting the next calorific value test.

Claims

1. A coal calorific value testing and analysis device, comprising a shell and a heat insulation board, characterized in that: The bottom of the left side of the shell is connected to the first electric push rod by bolts, the output end of the first electric push rod passes through the shell and the heat insulation board in sequence and is fixedly connected to the combustion mechanism, the top of the shell is connected to the second electric push rod by bolts, the output end of the second electric push rod passes through the shell and the heat insulation board in sequence and is fixedly connected to the water tank, the bottom of the water tank passes through and is fixedly connected to a heat conduction plate, the bottom of the left side of the water tank passes through and is fixedly connected to a heat exchange tube, the left side of the top of the shell passes through and is fixedly connected to a cooling mechanism, the four corners of the bottom of the shell are riveted with supporting legs, the right side of the supporting legs is riveted with a cross plate, a material receiving box is placed on the top of the cross plate, the front side of the shell is connected to a controller by bolts, the right side of the water tank passes through and is fixedly connected to a temperature sensor, and the bottom of the water tank is riveted with a protective cover.

2. The coal calorific value testing and analysis device according to claim 1 is characterized in that: The combustion mechanism includes a motor, the left side of the motor is fixedly connected to the output end of the first electric push rod through a support plate, the output end of the motor is fixedly connected to a rotating plate, the four corners of the top of the rotating plate are connected to pressure sensors through bolts, the top of the pressure sensor is connected to a placement plate through bolts, the output end of the controller is unidirectionally electrically connected to the motor, and the controller is bidirectionally electrically connected to the pressure sensor.

3. The coal calorific value testing and analysis device according to claim 1 is characterized in that: The cooling mechanism includes a tube body, the bottom of the tube body passes through the inner cavity of the shell, the top of the tube body passes through and is fixedly connected with a fan, the top of the right side of the tube body is connected with an air supply pipe, the right end of the air supply pipe is connected with a heat exchange pipe, a first electric valve is fixedly installed on the surface of the air supply pipe, the bottom of the right side of the tube body is connected with an oxygen pipe, the right end of the oxygen pipe is connected with a protective cover, a second electric valve is fixedly installed on the surface of the oxygen pipe, and the output end of the controller is unidirectionally electrically connected with the fan, the first electric valve and the second electric valve respectively.

4. The coal calorific value testing and analysis device according to claim 1 is characterized in that: The left side of the top of the water tank is connected with an exhaust pipe, the top end of the exhaust pipe passes through the heat insulation board and the shell in sequence, and an exhaust valve is fixedly installed on the top of the surface of the exhaust pipe.

5. The coal calorific value testing and analysis device according to claim 1 is characterized in that: The right end of the heat exchange tube passes through the water tank and is connected to an exhaust pipe. The top end of the exhaust pipe passes through the heat insulation board and the shell in sequence. An exhaust valve is fixedly installed on the top of the exhaust pipe surface.

6. The coal calorific value testing and analysis device according to claim 1 is characterized in that: The right side of the protective cover is connected with a smoke exhaust pipe, the top end of the smoke exhaust pipe passes through the heat insulation board and the shell in sequence, and a smoke exhaust valve is fixedly installed on the top of the surface of the smoke exhaust pipe.

7. The coal calorific value testing and analysis device according to claim 1 is characterized in that: A rectangular hole is provided at the bottom of the right side of the shell, and the front and rear sides of the bottom of the right side of the shell are riveted with slide rails. The inner cavity of the slide rail is slidably connected with a sealing door, a hanging rope is riveted on the top of the sealing door, and a bump is riveted on the top of the right side of the shell.

8. The coal calorific value testing and analysis device according to claim 1 is characterized in that: The top of the front side of the shell is connected to a display screen by bolts, the outer surface of the heat insulation board is fixedly connected to the inner wall of the shell, the output end of the controller is unidirectionally electrically connected to the first electric push rod, the second electric push rod and the display screen respectively, and the controller is bidirectionally electrically connected to the temperature sensor.

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