Horizontal double-sealed combustion boiler

Abstract

The utility model relates to the field of combustion boilers, in particular to a horizontal double-sealed combustion boiler which comprises a boiler shell. A first supporting block and a second supporting block are fixedly connected to the lower end of the boiler shell, a movable discharging mechanism is arranged on the first supporting block, and a guide mechanism is arranged on the second supporting block. One end of the U-shaped block manually penetrates through the coal injection pipe and the coal injection hole to move into the boiler shell, the U-shaped block is inclined to enable coal in the U-shaped block to be poured into the bottom face in the boiler shell, then the U-shaped block is moved out of the coal injection pipe, the flame projector is started to enable the flame jet head to jet flame to the coal, the coal is ignited, and the water tank can be heated. When discharging is needed, the movable discharging mechanism is started to remove blocking of the waste discharging opening, then a third motor is started to enable a double-tooth screw to rotate, two pushing blocks can get close to each other, coal on the bottom face of the inner wall of the boiler shell is pushed to the position where the waste discharging opening is located, and discharging of the coal is facilitated.

Description

Technical Field

[0001] The utility model belongs to the field of combustion boilers, and in particular relates to a horizontal double-sided sealed combustion boiler. Background Art

[0002] Horizontal combustion boiler is a kind of efficient thermal energy equipment, which is widely used in industrial and civil fields. Its horizontal design makes it more convenient in space utilization, installation and maintenance. The boiler burns various fuels (such as coal, natural gas or oil) through the burner to generate heat, which is converted into steam or hot water to meet the heat requirements of different processes.

[0003] The horizontal boiler adopts a horizontal structure, which makes the boiler occupy a relatively small area and is easy to install and transport. However, the horizontal boiler in the prior art is difficult to quickly fill the coal mine, it is not convenient to quickly remove the waste after the coal mine is burned, and it is difficult to seal the boiler on both sides, and it is impossible to reduce heat loss, which needs further improvement.

[0004] Therefore, a horizontal double-sided sealed combustion boiler is proposed, which can quickly fill the coal mine, facilitate the rapid removal of waste after coal mine combustion, and can seal the boiler on both sides, thereby reducing heat loss. Utility Model Content

[0005] In order to overcome the problems in the prior art that horizontal boilers are difficult to quickly fill with coal, are inconvenient to quickly remove waste from coal combustion, and are difficult to seal on both sides of the boiler to reduce heat loss, a horizontal double-sided sealed combustion boiler is proposed.

[0006] The technical scheme of the utility model is as follows: a horizontal double-sided sealed combustion boiler comprises a boiler shell; a first support block and a second support block are fixedly connected to the lower end of the boiler shell, a movable feeding mechanism is arranged on the first support block, a guiding mechanism is arranged on the second support block, the left and right ends of the boiler shell are openings, a sealing body is fixedly connected to the inner walls of the left and right ends of the boiler shell, a coal injection pipe is fixedly connected through one end of the sealing body away from the boiler shell, a U-shaped block is placed inside the coal injection pipe, the sealing body is a hollow structure, a second motor is fixedly connected to the end of the sealing body away from the boiler shell, the output shaft of the second motor faces the boiler shell, a rotating block is fixedly connected to the output shaft of the second motor, a sealing disk is fixedly connected to the lower end of the rotating block, a coal injection hole is opened through one end of the sealing body close to the boiler shell, the coal injection hole corresponds to the sealing disk, a flamethrower is fixedly connected to the inner wall of the boiler shell, and the end of the flamethrower close to the center of the boiler shell A plurality of flame spray heads are installed, and the output ends of the flame spray heads are tilted downward. A third motor is fixedly connected to one end of one of the sealing bodies close to the center of the boiler shell, and a double-thread screw is rotatably installed at one end of the two sealing bodies close to each other. The output shaft of the third motor passes through the wall layer of one of the sealing bodies and is fixedly connected to one end of the double-thread screw. The outer walls of the double-thread screw located on both sides of the center are provided with two opposite threads. Two ball screw pairs respectively matched with the two threads are installed on the outer wall of the double-thread screw. A push block is fixedly connected to the outer wall of the ball screw pair. The lower end of the push block is fitted with the bottom surface of the inner wall of the boiler shell. A waste discharge port is penetrated through the middle of the bottom surface of the inner wall of the boiler shell, and the waste discharge port is located above the unloading mechanism. A water tank is fixedly connected to the upper part of the inner wall of the boiler shell, and water pipes are penetrated and fixedly connected to the left and right ends of the water tank. The other end of the water pipe passes through the sealing body and extends to the outside of the sealing body.

[0007] The mobile unloading mechanism includes a first motor, a screw, a threaded sleeve and a first guide rod; the first motor is fixedly connected to one end of the first support block away from the second support block, a screw is rotatably installed between the first support block and the second support block, the output shaft of the first motor passes through the wall layer of the first support block and is fixedly connected to one end of the screw away from the second support block, and a threaded sleeve is movably installed on the outer wall of the screw.

[0008] The guide mechanism includes a slider and a second guide rod; two second guide rods are slidably provided at the left and right ends of the second support block, and the two second guide rods are symmetrical with respect to the second support block; two sliders are slidably provided at the lower end of the boiler shell, and the ends of the two sliders close to each other are fixedly connected to the front and rear ends of the threaded sleeve block, and the right end of the second guide rod is fixedly connected to the left end of the slider.

[0009] The area of ​​the right end surface of the plugging plate is larger than the area of ​​the right end surface of the coal injection hole, and there is a gap between the lower end of the plugging plate and the bottom surface inside the sealing body.

[0010] The upper parts of the two sealing bodies close to each other are fixed with an insulation block, which is arc-shaped, with the lower end of the insulation block located above the water tank, and there is a gap between the upper end of the insulation block and the top surface of the inner wall of the boiler shell.

[0011] A valve body is arranged on the water pipe, and the valve body is located inside the sealing body.

[0012] An inspection pipe is fixedly connected through the upper end of the boiler shell, and a cover body is hingedly connected to the upper end of the inspection pipe.

[0013] The upper end of the boiler shell is fixedly connected with a first emergency pipe and a second emergency pipe, the upper end of the first emergency pipe is fixedly connected with a first sealing cover by bolts, and the upper end of the second emergency pipe is fixedly connected with a second sealing cover by bolts.

[0014] The beneficial effects of the utility model are as follows: by connecting one of the water pipes to the water outlet of an external water supply device through a pipeline, and then introducing water into the water tank through one of the water pipes, first turning on the second motor to make the rotating block drive the blocking disk to rotate, so that the blocking disk releases the blocking of the coal injection hole, and then placing the coal in the U-shaped block, manually moving one end of the U-shaped block through the coal injection pipe and the coal injection hole to the inside of the boiler shell, tilting the U-shaped block so that the coal in the U-shaped block is poured into the bottom surface of the inside of the boiler shell, and then removing the U-shaped block from the coal injection pipe, and turning on the second motor again to move the blocking disk, so that the blocking disk releases the blocking of the coal injection hole. The hole is blocked, the flamethrower is turned on to make the flamethrower head spray fire to the coal, and the coal is ignited to heat the water tank. When it is necessary to unload the material, the mobile unloading mechanism is turned on to release the blockage of the waste discharge port, and then the third motor is turned on to make the double-tooth screw rotate, and the two pushing blocks will approach each other, pushing the coal on the bottom surface of the inner wall of the boiler shell to the position of the waste discharge port until the coal falls downward through the waste discharge port, thereby solving the problems in the prior art that it is difficult to quickly fill the coal mine with the horizontal boiler, it is not convenient to quickly remove the waste after the coal mine is burned, and it is difficult to seal the boiler on both sides, so as to reduce the heat loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a horizontal double-sided sealed combustion boiler of the utility model;

[0016] Figure 2 It is a schematic diagram of a first cross-sectional three-dimensional structure of a boiler shell of a horizontal double-sided sealed combustion boiler of the utility model;

[0017] Figure 3 It is a schematic diagram of a second cross-sectional three-dimensional structure of a boiler shell of a horizontal double-sided sealed combustion boiler of the utility model;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of an inspection pipe of a horizontal double-sided sealed combustion boiler of the utility model;

[0019] Figure 5 It is a three-dimensional structural schematic diagram of a first supporting block and a second supporting block of a horizontal double-sided sealed combustion boiler of the utility model;

[0020] Figure 6 The utility model is a top view of a horizontal double-sided sealed combustion boiler.

[0021] The markings in the accompanying drawings are: 1. boiler shell; 2. first support block; 201. first motor; 202. screw rod; 203. threaded sleeve block; 204. first guide rod; 3. second support block; 301. slider; 302. second guide rod; 4. sealing body; 5. coal injection pipe; 6. U-shaped block; 7. second motor; 8. rotating block; 9. blocking disk; 10. flamethrower; 11. flamethrower head; 12. third motor; 13. double-thread screw; 14. ball screw pair; 15. push block; 16. coal injection hole; 17. water tank; 18. water pipe; 19. valve body; 20. insulation block; 21. inspection pipe; 22. cover body; 23. first emergency pipe; 24. first sealing cover; 25. second emergency pipe; 26. second sealing cover; 27. waste discharge port. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Embodiment 1:

[0024] like Figure 1 As shown, a horizontal double-sided sealed combustion boiler includes a boiler shell 1; a first support block 2 and a second support block 3 are fixedly connected to the lower end of the boiler shell 1, a movable feeding mechanism is provided on the first support block 2, and a guiding mechanism is provided on the second support block 3. The left and right ends of the boiler shell 1 are openings, and the inner walls of the left and right ends of the boiler shell 1 are fixedly connected to a sealing body 4.

[0025] like Figure 2As shown, a coal injection pipe 5 is fixedly connected to the end of the sealing body 4 away from the boiler shell 1, and a U-shaped block 6 is placed inside the coal injection pipe 5. The sealing body 4 is a hollow structure. A second motor 7 is fixedly connected to the end of the sealing body 4 away from the boiler shell 1. The output shaft of the second motor 7 faces the boiler shell 1. A rotating block 8 is fixedly connected to the output shaft of the second motor 7. A sealing disk 9 is fixedly connected to the lower end of the rotating block 8. A coal injection hole 16 is opened through the end of the sealing body 4 close to the boiler shell 1. The coal injection hole 16 corresponds to the sealing disk 9. A flamethrower 10 is fixedly connected to the inner wall of the boiler shell 1. A plurality of flamethrower heads 11 are installed at the end of the flamethrower 10 close to the center of the boiler shell 1. The output end of the fire head 11 is tilted downward, and a third motor 12 is fixedly connected to one end of one of the sealing bodies 4 near the center of the boiler shell 1. A double-thread screw 13 is rotatably installed at one end of the two sealing bodies 4 near each other. The output shaft of the third motor 12 passes through the wall layer of one of the sealing bodies 4 and is fixedly connected to one end of the double-thread screw 13. The outer walls of the double-thread screw 13 on both sides of the center are provided with two opposite threads. Two ball screw pairs 14 respectively adapted to the two threads are installed on the outer wall of the double-thread screw 13. A push block 15 is fixedly connected to the outer wall of the ball screw pair 14. The lower end of the push block 15 is in contact with the bottom surface of the inner wall of the boiler shell 1.

[0026] like Figure 3 As shown, a water tank 17 is fixedly connected to the upper part of the inner wall of the boiler shell 1 , and water pipes 18 are fixedly connected through both left and right ends of the water tank 17 , and the other end of the water pipe 18 passes through the sealing body 4 and extends to the outside of the sealing body 4 .

[0027] like Figure 4 As shown, a waste discharge port 27 is provided through the middle of the bottom surface of the inner wall of the boiler shell 1, and the waste discharge port 27 is located above the discharge mechanism.

[0028] When in use, one of the water pipes 18 is connected to the water outlet of the external water supply device through a pipeline, and then water is introduced into the water tank 17 through one of the water pipes 18. The second motor 7 is first turned on to make the rotating block 8 drive the blocking plate 9 to rotate, so that the blocking plate 9 releases the blocking of the coal injection hole 16, and then the coal is placed in the U-shaped block 6, and one end of the U-shaped block 6 is manually moved through the coal injection pipe 5 and the coal injection hole 16 to the inside of the boiler shell 1, and the U-shaped block 6 is tilted so that the coal in the U-shaped block 6 is poured into the bottom surface of the inside of the boiler shell 1, and then the U-shaped block 6 is removed from the coal injection pipe 5. 5, and start the second motor 7 again to move the blocking plate 9 so that the blocking plate 9 blocks the coal injection hole 16, and turn on the flamethrower 10 so that the flamethrower 11 sprays fire to the coal to ignite the coal, so as to heat the water tank 17. When it is necessary to discharge the materials, start the mobile discharge mechanism to release the blockage of the waste discharge port 27, and then start the third motor 12 to rotate the double-thread screw 13, so that the two pusher blocks 15 will approach each other, and push the coal on the bottom surface of the inner wall of the boiler shell 1 to the position of the waste discharge port 27 until the coal falls downward through the waste discharge port 27.

[0029] Embodiment 2:

[0030] like Figure 5 As shown, the mobile unloading mechanism includes a first motor 201, a screw rod 202, a threaded sleeve 203 and a first guide rod 204; the first motor 201 is fixedly connected to one end of the first support block 2 away from the second support block 3, and the screw rod 202 is rotatably installed between the first support block 2 and the second support block 3. The output shaft of the first motor 201 passes through the wall layer of the first support block 2 and is fixed to one end of the screw rod 202 away from the second support block 3. The threaded sleeve 203 is movably installed on the outer wall of the screw rod 202. When unloading is required, the first motor 201 is turned on to rotate the screw rod 202, and the threaded sleeve 203 will move along the outer wall of the screw rod 202, thereby facilitating the downward discharge of the burned coal waste.

[0031] Embodiment 3:

[0032] like Figure 5 As shown, the guide mechanism includes a slider 301 and a second guide rod 302; two second guide rods 302 are slidably provided at the left and right ends of the second support block 3, and the two second guide rods 302 are symmetrical with respect to the second support block 3. Two sliders 301 are slidably provided at the lower end of the boiler shell 1, and one end of the two sliders 301 close to each other is fixedly connected to the front and rear ends of the threaded sleeve 203, and the right end of the second guide rod 302 is fixedly connected to the left end of the slider 301. When the slider 301 moves in the left and right directions, the second guide rod 302 will slide left and right in the horizontal direction along the inner wall of the second support block 3, which is beneficial to the stable movement of the threaded sleeve 203.

[0033] Embodiment 4:

[0034] like Figure 2 As shown, the area of ​​the right end face of the blocking plate 9 is larger than the area of ​​the right end face of the coal injection hole 16. There is a gap between the lower end of the blocking plate 9 and the bottom surface inside the sealing body 4. The blocking plate 9 can be used to block the coal injection hole 16. When coal needs to be fed through the coal injection hole 16, the blocking plate 9 is rotated so that the blocking plate 9 leaves the coal injection hole 16, so that the boiler shell 1 can be easily loaded with coal.

[0035] Embodiment 5:

[0036] like Figure 3 As shown, the upper parts of the ends of the two sealing bodies 4 that are close to each other are fixed with an insulation block 20. The insulation block 20 is arc-shaped, and the lower end of the insulation block 20 is located above the water tank 17. There is a gap between the upper end of the insulation block 20 and the top surface of the inner wall of the boiler shell 1. By setting the insulation block 20, the insulation effect of the water tank 17 can be improved.

[0037] Embodiment 6:

[0038] like Figure 3 As shown, a valve body 19 is provided on the water pipe 18 , and the valve body 19 is located inside the sealing body 4 . The water flowing into the water pipe 18 can be easily blocked by providing the valve body 19 .

[0039] Embodiment 7:

[0040] like Figure 4 As shown, an inspection pipe 21 is fixedly connected through the upper end of the boiler shell 1, and a cover 22 is hingedly connected to the upper end of the inspection pipe 21. Opening the cover 22 can facilitate sampling of the flue gas flowing into the inspection pipe 21.

[0041] Embodiment 8:

[0042] like Figure 4 As shown, the upper end of the boiler shell 1 is fixedly connected with a first emergency pipe 23 and a second emergency pipe 25, the upper end of the first emergency pipe 23 is fixedly connected with a first sealing cover 24 by bolts, and the upper end of the second emergency pipe 25 is fixedly connected with a second sealing cover 26 by bolts. By arranging the first emergency pipe 23 and the first sealing cover 24, when a fault occurs in the boiler shell 1, the first sealing cover 24 and the second sealing cover 26 can be removed, which is beneficial to the rapid outflow of smoke in the boiler shell 1.

[0043] Working principle: First, one of the water pipes 18 is connected to the water outlet of the external water supply equipment through a pipeline, and then water is introduced into the water tank 17 through one of the water pipes 18. The second motor 7 is turned on first to make the rotating block 8 drive the blocking plate 9 to rotate, so that the blocking plate 9 releases the blocking of the coal injection hole 16;

[0044] Then, the coal is placed in the U-shaped block 6, and one end of the U-shaped block 6 is manually moved through the coal injection pipe 5 and the coal injection hole 16 to the inside of the boiler shell 1, and the U-shaped block 6 is tilted so that the coal in the U-shaped block 6 is poured into the bottom surface of the inside of the boiler shell 1, and then the U-shaped block 6 is removed from the coal injection pipe 5;

[0045] The second motor 7 is turned on again to move the blocking plate 9 so that the blocking plate 9 blocks the coal injection hole 16, and the flamethrower 10 is turned on so that the flamethrower head 11 sprays fire to the coal to ignite the coal, thereby heating the water tank 17;

[0046] When it is necessary to discharge the waste, the first motor 201 is turned on to rotate the screw rod 202, and the threaded sleeve 203 moves along the outer wall of the screw rod 202, and the threaded sleeve 203 removes the obstruction to the waste discharge port 27;

[0047] Then, the third motor 12 is turned on to rotate the double-thread screw 13, and the two pusher blocks 15 are moved closer to each other, pushing the coal on the bottom surface of the inner wall of the boiler shell 1 toward the location of the waste discharge port 27, until the coal falls downward through the waste discharge port 27;

[0048] In addition, by providing the insulation block 20, the insulation effect of the water tank 17 can be improved. Opening the cover body 22 can facilitate the sampling of the flue gas flowing into the inspection pipe 21. When a fault occurs in the boiler shell 1, the first sealing cover 24 and the second sealing cover 26 are removed to facilitate the rapid outflow of the flue gas in the boiler shell 1.

Claims

1. A horizontal double-sided sealed combustion boiler, comprising a boiler shell (1); characterized in that: A first support block (2) and a second support block (3) are fixedly connected at the lower end of the boiler shell (1); a movable material discharge mechanism is provided on the first support block (2); a guide mechanism is provided on the second support block (3); left and right ends of the boiler shell (1) are open; inner walls of both left and right ends of the boiler shell (1) are fixedly connected with sealing bodies (4); an end of the sealing body (4) away from the boiler shell (1) is fixedly connected with a coal injection pipe (5) in a through-type manner; a U-shaped block (6) is placed inside the coal injection pipe (5); the sealing body (4) is a hollow structure; the inside of the sealing body (4) away from the boiler shell (1) ) is fixedly connected to one end of the boiler housing (1), the output shaft of the second motor (7) faces the boiler housing (1), a rotating block (8) is fixedly connected to the output shaft of the second motor (7), a sealing plate (9) is fixedly connected to the lower end of the rotating block (8), a coal injection hole (16) is penetrated through the end of the sealing body (4) close to the boiler housing (1), the coal injection hole (16) and the sealing plate (9) correspond to each other, a flamethrower (10) is fixedly connected to the inner wall of the boiler housing (1), and a plurality of flame heads (11) are installed at the end of the flamethrower (10) close to the center of the boiler housing (1), and the flame heads The output end of the second sealing body (11) is arranged to be tilted downward, a third motor (12) is fixedly connected to one end of the sealing body (4) near the center of the boiler shell (1), a double-thread screw (13) is rotatably mounted on one end of the two sealing bodies (4) near each other, an output shaft of the third motor (12) passes through the wall layer of one of the sealing bodies (4) and is fixedly connected to one end of the double-thread screw (13), two opposite thread teeth are arranged on the outer wall of the double-thread screw (13) on both sides of the center, and two screw threads respectively matched with the two thread teeth are mounted on the outer wall of the double-thread screw (13). A ball screw pair (14) is fixedly connected to the outer wall of the ball screw pair (14), the lower end of the pusher block (15) is in contact with the bottom surface of the inner wall of the boiler shell (1), a waste discharge port (27) is provided through the middle of the bottom surface of the inner wall of the boiler shell (1), and the waste discharge port (27) is located above the discharge mechanism. A water tank (17) is fixedly connected to the upper part of the inner wall of the boiler shell (1), and water pipes (18) are fixedly connected to the left and right ends of the water tank (17), and the other end of the water pipe (18) passes through the sealing body (4) and extends to the outside of the sealing body (4).

2. A horizontal double-sided sealed combustion boiler according to claim 1, characterized in that: The mobile unloading mechanism comprises a first motor (201), a screw rod (202), a threaded sleeve (203) and a first guide rod (204); the first motor (201) is fixedly connected to one end of the first support block (2) away from the second support block (3); the screw rod (202) is rotatably mounted between the first support block (2) and the second support block (3); the output shaft of the first motor (201) passes through the wall layer of the first support block (2) and is fixedly connected to one end of the screw rod (202) away from the second support block (3); and the threaded sleeve (203) is movably mounted on the outer wall of the screw rod (202).

3. A horizontal double-sided sealed combustion boiler according to claim 1, characterized in that: The guide mechanism comprises a slider (301) and a second guide rod (302); two second guide rods (302) are slidably disposed through the left and right ends of the second support block (3); the two second guide rods (302) are symmetrical with respect to the second support block (3); two sliders (301) are slidably disposed at the lower end of the boiler shell (1); one end of the two sliders (301) close to each other is fixedly connected to the front and rear ends of the threaded sleeve block (203); and the right end of the second guide rod (302) is fixedly connected to the left end of the slider (301).

4. A horizontal double-sided sealed combustion boiler according to claim 1, characterized in that: The area of ​​the right end surface of the blocking plate (9) is larger than the area of ​​the right end surface of the coal injection hole (16), and a gap exists between the lower end of the blocking plate (9) and the bottom surface inside the sealing body (4).

5. A horizontal double-sided sealed combustion boiler according to claim 4, characterized in that: An insulation block (20) is fixedly connected to the upper parts of the ends of the two sealing bodies (4) close to each other. The insulation block (20) is arc-shaped. The lower end of the insulation block (20) is located above the water tank (17). There is a gap between the upper end of the insulation block (20) and the top surface of the inner wall of the boiler shell (1).

6. A horizontal double-sided sealed combustion boiler according to claim 1, characterized in that: A valve body (19) is provided on the water pipe (18), and the valve body (19) is located inside the sealing body (4).

7. A horizontal double-sided sealed combustion boiler according to claim 1, characterized in that: An inspection pipe (21) is fixedly connected to the upper end of the boiler shell (1) through the inspection pipe (21), and a cover body (22) is hingedly connected to the upper end of the inspection pipe (21).

8. The horizontal double-sided sealed combustion boiler according to claim 1, characterized in that: A first emergency pipe (23) and a second emergency pipe (25) are fixedly connected through the upper end of the boiler shell (1); a first sealing cover (24) is installed on the upper end of the first emergency pipe (23) via bolts; and a second sealing cover (26) is installed on the upper end of the second emergency pipe (25) via bolts.

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