Dust removal fan for coal charging car

Abstract

The utility model belongs to the technical field of dust removal fans for coal charging cars, and particularly relates to a dust removal fan for a coal charging car, which comprises a fan, an air inlet pipe is fixedly arranged at the input end of the fan, a threaded pipe is fixedly connected to the input end of the air inlet pipe, and a dust removal outer guide sleeve is fixedly arranged at the input end of the threaded pipe. According to the utility model, the connecting ring is fixed through the two fixing rings, so that the installation and double fixation of the output end of the fan are completed, the sealing performance of the connection between the output end of the fan and the air inlet pipe is improved, and the dust removal effect of the fan is improved. The dust removal outer guide sleeve is synchronously pushed outwards through the plurality of dust removal push rods, so that the connection stress of the dust removal outer guide sleeve and the coal discharge opening sleeve is uniform, the connection tightness of the dust removal outer guide sleeve and the coal discharge opening sleeve is ensured, and the dust removal effect is prevented from being influenced by smoke dust overflow at the joint of the dust removal outer guide sleeve and the coal discharge opening sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal fans for coal loading vehicles, in particular to a dust removal fan for coal loading vehicles. Background Art

[0002] The guide sleeve inside the coal loading car is deformed due to long-term high-temperature baking. During the coal loading process, the dust collection outer guide sleeve and the coal port guide sleeve are deformed, resulting in uneven airflow distribution in the guide sleeve. The overflowing smoke and dust cannot be effectively sucked into the dust removal pipe. The large gap often draws the flame in the furnace into the guide sleeve interlayer and burns with the overflowing coal powder to generate monkey coke (a very light coke powder), which causes blockage of the inner circle of the guide sleeve (the phenomenon is that after the coal car is loaded with coal, coke powder slag is scattered along the way), which ultimately leads to poor dust removal effect; the dust removal push rod retreats too early, and too little fresh cold air enters the dust collection main pipe, resulting in high flue gas temperature in front of the dust removal system and high dust removal gas temperature. When the temperature is too high, it will cause the fan to jump, affecting production.

[0003] In view of the above technical defects, a solution is now proposed. Utility Model Content

[0004] The utility model aims to provide a dust removal fan for a coal loading car, which solves the problem in the prior art that the dust removal push rod retreats too early, too little fresh cold air enters the dust removal main pipe, resulting in high smoke temperature in front of the dust removal system and high dust removal gas temperature, and when the temperature is too high, it will cause the fan to jump and affect production; it solves the problem in the prior art that the guide sleeve in the coal loading car is deformed due to long-term high-temperature baking, smoke and dust overflow, and the dust removal effect becomes poor.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A dust removal fan for a coal loading car, comprising a fan, an air intake pipe is fixedly arranged at the input end of the fan, a threaded pipe is fixedly connected to the input end of the air intake pipe, a dust removal outer guide sleeve is fixedly arranged at the input end of the threaded pipe, a pushing mechanism is arranged between the dust removal outer guide sleeve and the air intake pipe, a dust removal mother pipe is fixedly installed at the output end of the fan, and a connecting mechanism is arranged at the output end of the dust removal mother pipe;

[0007] The pushing mechanism includes a limiting ring sleeved on the outside of the threaded tube, a cavity is opened inside the limiting ring, a plurality of limiting rods are fixedly arranged on the side wall of the limiting ring close to the dust removal outer guide sleeve, a dust removal push rod is slidably arranged inside the limiting rod, one end of the dust removal push rod is fixedly connected to the dust removal outer guide sleeve, a mounting block 2 is fixedly arranged on the top of the limiting ring, a mounting block 1 is fixedly arranged on the top of the dust removal outer guide sleeve, a sliding rod is slidably arranged between the mounting block 1 and the mounting block 2, a connecting plate 1 is fixedly arranged on one end of the sliding rod, an air pump is fixedly arranged on one side of the connecting plate 1, and the output end of the air pump is connected to the cavity through an air blowing pipe.

[0008] Furthermore, a slideway is provided in the limit rod, the cavity is connected with the cavity through an inner tube, a piston is slidably arranged in the slideway, the side wall of the piston is fixedly connected to the dust removal push rod, and a thrust spring is provided on the outer side of the dust removal push rod located between the piston and the slideway.

[0009] Furthermore, a connecting plate 2 is fixedly arranged on the side wall of the connecting plate 1, and a connecting plate 3 is fixedly arranged on the top of the connecting plate 2.

[0010] Furthermore, the connection mechanism comprises a connection pipe fixedly mounted on the output end of the dust removal main pipe, a connection ring is fixedly provided on the outer wall of the connection pipe, and a fixing ring is sleeved on the outer side of the connection ring.

[0011] Furthermore, a controller is arranged on the outer wall of the fan, an air leakage pipe is connected to the outer wall of the limiting ring, a control valve is fixedly arranged on the outer wall of the air leakage pipe, and the controller is electrically connected to the control valve.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, the connecting ring is fixed by two fixing rings, so as to complete the installation of the output end of the fan, and the double fixation improves the sealing of the connection between the two; the air pump continuously generates wind speed, so that the piston squeezes the dust removal push rod to one side, and the dust removal push rod squeezes the dust removal outer guide sleeve to one side, so that the dust removal outer guide sleeve is connected to the lower coal port casing, and several dust removal push rods push the dust removal outer guide sleeve outward synchronously, so that the force of the connection between the dust removal outer guide sleeve and the lower coal port casing is uniform, thereby ensuring the tightness of the connection between the dust removal outer guide sleeve and the lower coal port casing, avoiding smoke and dust overflow at the connection between the two, thereby affecting the dust removal effect;

[0014] 2. In the utility model, when the dust removal of the coal loading car is completed, after a delay of a period of time, the control valve on the limit ring is opened by the controller, so that the dust removal push rod is delayed to reset, and the dust removal outer guide sleeve is away from the coal port casing, so as to reduce the temperature of the smoke sucked in by the dust removal outer guide sleeve, and avoid the fan jumping when the temperature is too high, affecting production. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings;

[0016] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the driving mechanism in the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the limit rod in the utility model;

[0019] Figure 4 It is a rear view of the overall structure of the utility model;

[0020] Figure 5 It is a three-dimensional diagram of the connection mechanism in the utility model;

[0021] Figure 6 It is a schematic diagram of the internal structure of the connecting pipe in the utility model.

[0022] Figure numerals: 1. dust removal main pipe; 2. fan; 3. connecting mechanism; 31. connecting pipe; 32. connecting ring; 33. fixing ring; 4. air inlet pipe; 5. pushing mechanism; 51. limiting ring; 52. limiting rod; 53. sliding rod; 54. mounting block one; 55. mounting block two; 56. connecting plate one; 57. air pump; 58. air blowing pipe; 59. piston; 510. dust removal push rod; 511. thrust spring; 6. threaded pipe; 7. dust removal outer guide sleeve; 8. connecting plate two; 9. connecting plate three. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] like Figure 1-6 As shown, a dust removal fan for a coal loading car proposed in this embodiment includes a fan 2, an air intake pipe 4 is fixedly provided at the input end of the fan 2, a threaded pipe 6 is fixedly connected to the input end of the air intake pipe 4, a dust removal outer guide sleeve 7 is fixedly provided at the input end of the threaded pipe 6, a pushing mechanism 5 is provided between the dust removal outer guide sleeve 7 and the air intake pipe 4, a dust removal mother pipe 1 is fixedly installed at the output end of the fan 2, and a connecting mechanism 3 is provided at the output end of the dust removal mother pipe 1;

[0026] The pushing mechanism 5 includes a limiting ring 51 which is sleeved on the outside of the threaded tube 6, and a cavity is opened inside the limiting ring 51. A plurality of limiting rods 52 are fixedly arranged on the side wall of the limiting ring 51 close to the dust removal outer guide sleeve 7. A dust removal push rod 510 is slidably arranged inside the limiting rod 52. One end of the dust removal push rod 510 is fixedly connected to the dust removal outer guide sleeve 7. A mounting block 2 55 is fixedly arranged on the top of the limiting ring 51, and a mounting block 1 54 is fixedly arranged on the top of the dust removal outer guide sleeve 7. A sliding rod 53 is slidably arranged between the mounting block 1 54 and the mounting block 2 55. A connecting plate 1 56 is fixedly arranged on one end of the sliding rod 53, and an air pump 57 is fixedly arranged on one side of the connecting plate 1 56. The output end of the air pump 57 is connected to the cavity through an air blowing pipe 58.

[0027] It should be noted that a plurality of limiting rods 52 are arranged in a circular array relative to the center line of the limiting ring 51, and air holes are provided on the side walls of the limiting rods 52 away from the limiting ring 51;

[0028] The fan 2 is a centrifugal dust removal fan 2, which can efficiently remove dust and harmful gases in the coal loading car.

[0029] A slideway is provided inside the limiting rod 52, and the cavity is connected with the cavity through an inner tube. A piston 59 is slidably arranged in the slideway, and the side wall of the piston 59 is fixedly connected to the dust removal push rod 510. The dust removal push rod 510 is located between the piston 59 and the slideway and is sleeved with a thrust spring 511 on the outer side.

[0030] It should be noted here that the air pump 57 continuously generates wind speed, so that the dust removal push rod 510 squeezes the dust removal outer guide sleeve 7 to one side, so that the dust removal outer guide sleeve 7 is connected to the lower coal port casing, and several dust removal push rods 510 push the dust removal outer guide sleeve 7 outwards synchronously, so that the connection between the dust removal outer guide sleeve 7 and the lower coal port casing is evenly stressed, thereby ensuring the tightness of the connection between the dust removal outer guide sleeve 7 and the lower coal port casing, and avoiding smoke and dust overflow at the connection between the two.

[0031] A connecting plate 2 8 is fixedly arranged on the side wall of the connecting plate 1 56, and a connecting plate 3 9 is fixedly arranged on the top of the connecting plate 2 8. It should be noted that the device is connected to the coal loading car through the connecting plate 3 9.

[0032] Embodiment 2:

[0033] like Figure 1 , 4 -6, a dust removal fan for a coal loading car proposed in this embodiment is improved on the basis of embodiment 1, and the connecting mechanism 3 includes a connecting pipe 31 fixedly installed at the output end of the dust removal mother pipe 1, and a connecting ring 32 is fixedly provided on the outer wall of the connecting pipe 31, and a fixing ring 33 is sleeved on the outer side of the connecting ring 32.

[0034] It should be noted that the connecting pipe 31 is connected to the dust collector so that the connecting pipe 31 is sleeved on the outer wall of the input end of the dust collector, and the connecting ring 32 is fixed by two fixing rings 33, thereby completing the installation of the output end of the fan 2, and the double fixation improves the sealing of the connection between the two;

[0035] A controller is arranged on the outer wall of the fan 2, an air leakage pipe is connected to the outer wall of the limit ring 51, a control valve is fixedly arranged on the outer wall of the air leakage pipe, and the controller is electrically connected to the control valve.

[0036] It should be noted here that the controller can be a PLC controller, which only needs to delay the opening of the control valve for a period of time. This is a prior art and only needs to have a delayed opening function for the above-mentioned control valve.

[0037] The working process and principle of the utility model are as follows:

[0038] First, connect the connecting pipe 31 to the dust collector, so that the connecting pipe 31 is sleeved on the outer wall of the input end of the dust collector, and fix the connecting ring 32 through two fixing rings 33, thereby completing the installation of the output end of the fan 2, doubly fixing, and improving the sealing of the connection between the two; then, connect the device to the coal loading car through the connecting plate 3 9, and align the dust removal outer guide sleeve 7 with the lower coal port sleeve, and continuously generate wind speed through the air pump 57 to quickly complete the filling of the inside of the limit rod 52, so that the piston 59 squeezes the dust removal push rod 510 to one side, and the dust removal push rod 510 squeezes the dust removal outer guide sleeve 7 to one side, so that the dust removal outer guide sleeve 7 is connected to the lower coal port sleeve, and several dust removal push rods 510 push the dust removal outer guide sleeve 7 outward synchronously, so that the dust removal outer guide sleeve 7 and the lower coal port sleeve are connected with uniform force, thereby ensuring the tightness of the connection between the dust removal outer guide sleeve 7 and the lower coal port sleeve, avoiding smoke and dust overflow at the connection between the two, thereby affecting the dust removal effect;

[0039] When the dust removal of the coal loading car is completed, after a delay, the control valve on the limit ring 51 is opened by the controller to reset the dust removal push rod 510 and move the dust removal outer guide sleeve 7 away from the coal port casing to reduce the temperature of the smoke sucked in by the dust removal outer guide sleeve 7, so as to avoid the fan 2 jumping when the temperature is too high, affecting production.

[0040] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A dust removal fan for a coal loading car, comprising a fan (2), an air intake pipe (4) fixedly arranged at the input end of the fan (2), a threaded pipe (6) fixedly connected to the input end of the air intake pipe (4), a dust removal outer guide sleeve (7) fixedly arranged at the input end of the threaded pipe (6), characterized in that: A pushing mechanism (5) is provided between the dust removal outer guide sleeve (7) and the air inlet pipe (4); a dust removal main pipe (1) is fixedly mounted on the output end of the fan (2); and a connecting mechanism (3) is provided on the output end of the dust removal main pipe (1); The pushing mechanism (5) comprises a limiting ring (51) sleeved on the outside of the threaded tube (6), a cavity being provided inside the limiting ring (51), a plurality of limiting rods (52) being fixedly provided on the side wall of the limiting ring (51) close to the dust removal outer guide sleeve (7), a dust removal push rod (510) being slidably provided inside the limiting rod (52), one end of the dust removal push rod (510) being fixedly connected to the dust removal outer guide sleeve (7), and the limiting ring (51) being fixedly provided with a plurality of limiting rods (52) being fixedly provided with a plurality of limiting rods (52) being fixedly provided with a plurality of limiting rods (52) being fixedly provided with a plurality of limiting rods (510 ... A second mounting block (55) is fixedly arranged on the top, a first mounting block (54) is fixedly arranged on the top of the dust removal outer guide sleeve (7), a sliding rod (53) is slidably arranged between the first mounting block (54) and the second mounting block (55), a connecting plate (56) is fixedly arranged on one end of the sliding rod (53), an air pump (57) is fixedly arranged on one side of the connecting plate (56), and the output end of the air pump (57) is connected to the cavity through an air blowing pipe (58).

2. A dust removal fan for a coal loading car according to claim 1, characterized in that: A slideway is provided in the limit rod (52), the cavity is connected to the cavity through an inner tube, a piston (59) is slidably arranged in the slideway, a side wall of the piston (59) is fixedly connected to the dust removal push rod (510), and a thrust spring (511) is sleeved on the outer side of the dust removal push rod (510) located between the piston (59) and the slideway.

3. A dust removal fan for a coal loading car according to claim 1, characterized in that: A second connecting plate (8) is fixedly arranged on the side wall of the first connecting plate (56), and a third connecting plate (9) is fixedly arranged on the top of the second connecting plate (8).

4. A dust removal fan for a coal loading car according to claim 1, characterized in that: The connection mechanism (3) comprises a connection pipe (31) fixedly mounted on the output end of the dust removal mother pipe (1), a connection ring (32) being fixedly arranged on the outer wall of the connection pipe (31), and a fixing ring (33) being sleeved on the outer side of the connection ring (32).

5. The dust removal fan for a coal loading car according to claim 1, characterized in that: A controller is arranged on the outer wall of the fan (2), an air leakage pipe is connected to the outer wall of the limiting ring (51), a control valve is fixedly arranged on the outer wall of the air leakage pipe, and the controller is electrically connected to the control valve.

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