Raw material coal milling equipment capable of switching blanking areas

Abstract

The utility model relates to the technical field of raw material coal milling equipment, and discloses raw material coal milling equipment capable of switching blanking areas. The raw material coal grinding equipment capable of switching the discharging areas comprises a switching box, two side plates are fixedly installed on the two sides of the top of the interior of the switching box, a guide rod is fixedly installed on the top of the interior of the switching box, a partition plate is fixedly installed at the bottom of the interior of the switching box, and an electric rotating shaft is fixedly installed on the top of the partition plate; the top of the electric rotating shaft is movably connected with a baffle, and the top of the baffle is fixedly provided with a guide plate. Two baffles can be driven to rotate and adjust through rotation of an electric rotating shaft at the top of a partition plate, materials can be prevented from being accumulated at the tops of the baffles through guide plates at the tops of the baffles, and when the baffles rotate leftwards, the materials can be guided rightwards, when the baffles rotate rightwards, the materials can be guided leftwards, and when the two baffles rotate towards the two sides, the materials can be guided leftwards. And materials can be poured into the middle, so that the convenience of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of raw coal grinding equipment, in particular to raw coal grinding equipment with switchable feeding areas. Background Art

[0002] In the thermal power system of a power plant, coal needs to be ground into powder so that the pulverized coal entering the boiler can be fully burned in a shorter time. Coal grinding equipment includes low-speed coal mills, medium-speed coal mills and high-speed coal mills. Medium-speed coal mills are commonly used in the thermal power system of a thermal power plant. Medium-speed coal mills have the characteristics of low energy consumption.

[0003] The existing Chinese utility model patent with reference publication number CN218902031U discloses a coal grinding device. The coal grinding device comprises: a casing, a motor is installed at the bottom of the casing, a rotating grinding disc is installed on the motor, the rotating grinding disc is rotatably connected to the casing, a plurality of fixed shafts are fixedly installed on the inner side of the casing, the plurality of fixed shafts are all inclined, a pressure roller is rotatably arranged on the fixed shaft, the pressure roller is in contact with the rotating grinding disc, and a plurality of coal blowing assemblies are provided on the casing, the coal blowing assemblies can blow hot air onto the rotating grinding disc to blow up the coal powder pressed by the pressure roller. The coal grinding device provided by the utility model avoids the need to set up a coal slag transfer system outside the device, simplifies the process, and improves the efficiency of coal block pulverization.

[0004] The existing raw coal grinding equipment is easy to switch the feeding area during use, which requires the coal powder to be transferred, resulting in cumbersome operation. In addition, the coal powder falls too fast when the raw coal grinding equipment is in use, resulting in large-scale dust and insufficient uniformity. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the utility model provides a raw coal grinding equipment with a switchable discharge area, which has the advantages of uniform discharge and easy cutting of the discharge area, thereby solving the above technical problems.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a raw coal grinding device with switchable feeding area, comprising:

[0009] A switching box, two side panels are fixedly installed on both sides of the inner top of the switching box, a guide rod is fixedly installed on the inner top of the switching box, a partition plate is fixedly installed on the inner bottom of the switching box, an electric rotating shaft is fixedly installed on the top of the partition plate, a baffle is movably connected to the top of the electric rotating shaft, a guide plate is fixedly installed on the top of the baffle, and the guide plate is triangular in shape, a material guide trough is fixedly installed in the middle of the bottom of the switching box, two auxiliary troughs are fixedly installed on both sides of the material guide trough, a storage box is fixedly installed on the bottom of the material guide trough, and the storage box is also fixedly installed on the bottom of the auxiliary trough, a deceleration rod is fixedly installed on the bottom of the storage box, and a mounting funnel is fixedly installed on the bottom of the storage box.

[0010] As a preferred technical solution of the present invention, a discharge port is fixedly installed at the bottom of the mounting funnel, and a fixing groove is fixedly installed on one side of the discharge port, and the fixing groove is a structure for supporting fixation.

[0011] As a preferred technical solution of the present invention, two telescopic rods are fixedly installed on both sides of the interior of the fixing groove, and a cover plate is fixedly installed on one side of the telescopic rod, and the cover plate is a structure for covering.

[0012] As a preferred technical solution of the present invention, a silicone plate is fixedly installed on one side of the cover plate, and the silicone plate is a structure for fitting and sealing.

[0013] As a preferred technical solution of the present invention, a support groove is fixedly installed on the top of the switching box, and a discharge funnel is fixedly installed inside the support groove. The discharge funnel is a structure for discharging materials.

[0014] As a preferred technical solution of the present invention, a grinding mill body is fixedly mounted on the top of the support trough, and a coal grinding roller is movably connected inside the grinding mill body. The coal grinding roller is a structure for crushing materials.

[0015] As a preferred technical solution of the present invention, a feeding funnel is fixedly installed on the top of the grinding mill body, and the feeding funnel is a structure for feeding.

[0016] Compared with the prior art, the present invention provides a raw coal grinding device with switchable feeding area, which has the following beneficial effects:

[0017] 1. The utility model can drive the two baffles to rotate and adjust by rotating the electric shaft on the top of the partition plate, so as to guide the coal powder sent out from the discharge funnel. The guide plate on the top of the baffle can prevent the material from accumulating on the top of the baffle. When the baffle rotates to the left, the material can be guided to the right. When the baffle rotates to the right, the material can be guided to the left. When the two baffles rotate to both sides, the material can be poured into the middle, which improves the convenience of the raw coal grinding equipment with switchable discharge area and facilitates the switching of the discharge area.

[0018] 2. The utility model can guide the material into the designated storage box through the guide trough and the auxiliary trough. The speed of the material falling can be slowed down by the deceleration rod inside the storage box. The deceleration rod is triangular in shape, which avoids the problem of material blockage. The material is sent out through the discharge port. When the grinding mill body is closed, the telescopic rod inside the fixed trough is extended and retracted, pushing the cover plate to seal the inside of the discharge port, thereby quickly closing the raw coal grinding equipment with switchable discharge area. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the switch box of the utility model;

[0021] Figure 3 This is a schematic diagram of the guide chute of the utility model;

[0022] Figure 4 This is a schematic diagram of the discharge port of the utility model;

[0023] Figure 5 This is a schematic diagram of the support groove of the utility model.

[0024] Among them: 1. Switching box; 11. Side panel; 12. Guide rod; 13. Partition plate; 14. Electric shaft; 15. Baffle; 16. Guide plate; 2. Guide trough; 21. Auxiliary trough; 22. Storage box; 23. Speed ​​reduction rod; 24. Mounting funnel; 3. Discharge port; 31. Fixed trough; 32. Telescopic rod; 33. Cover plate; 34. Silicone plate; 4. Support trough; 41. Discharge funnel; 42. Grinding mill body; 43. Coal grinding roller; 44. Feed funnel. DETAILED DESCRIPTION

[0025] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] See also Figure 1 - Figure 5 In this embodiment, a raw coal grinding device with a switchable unloading area includes: a switching box 1, two side panels 11 are fixedly installed on both sides of the inner top of the switching box 1, a guide rod 12 is fixedly installed on the inner top of the switching box 1, a partition plate 13 is fixedly installed on the inner bottom of the switching box 1, an electric rotating shaft 14 is fixedly installed on the top of the partition plate 13, a baffle 15 is movably connected to the top of the electric rotating shaft 14, a guide plate 16 is fixedly installed on the top of the baffle 15, and the guide plate 16 is triangular in shape.

[0029] Specifically, the switching box 1 is a structure for switching the unloading area. The operation of the electric shaft 14 can drive the baffle 15 to rotate, thereby guiding the material, and the electric shaft 14 can be supported by the partition plate 13.

[0030] A material guide trough 2 is fixedly installed in the middle of the bottom of the switching box 1, two auxiliary troughs 21 are fixedly installed on both sides of the material guide trough 2, a storage box 22 is fixedly installed at the bottom of the material guide trough 2, and the storage box 22 is also fixedly installed at the bottom of the auxiliary trough 21. A deceleration rod 23 is fixedly installed at the bottom of the storage box 22, and a mounting funnel 24 is fixedly installed at the bottom of the storage box 22.

[0031] Specifically, the material flow can be guided by the material guide trough 2 and the two auxiliary troughs 21, so that the material can be sent into the interior of the three storage boxes 22, and the material can be sent out through the funnel 24 installed at the bottom of the storage box 22. The material can be guided and decelerated by the shape of the deceleration rod 23, so that the material can be discharged evenly.

[0032] A discharge port 3 is fixedly mounted on the bottom of the mounting funnel 24 , and a fixing groove 31 is fixedly mounted on one side of the discharge port 3 .

[0033] Two telescopic rods 32 are fixedly mounted on both sides of the interior of the fixing groove 31 , and a cover plate 33 is fixedly mounted on one side of the telescopic rod 32 .

[0034] A silicone plate 34 is fixedly mounted on one side of the cover plate 33 .

[0035] Specifically, when the grinding mill body 42 is closed, the telescopic rod 32 inside the fixed groove 31 runs, thereby pushing the cover plate 33 to be inserted into the inside of the discharge port 3, and the silicone plate 34 on one side of the cover plate 33 can fit one side of the discharge port 3, so that the discharge port 3 can be closed and sealed.

[0036] A support groove 4 is fixedly installed on the top of the switching box 1 , and a discharge funnel 41 is fixedly installed inside the support groove 4 .

[0037] A grinding mill body 42 is fixedly mounted on the top of the support trough 4 , and a coal grinding roller 43 is movably connected inside the grinding mill body 42 .

[0038] A feeding funnel 44 is fixedly mounted on the top of the grinding mill body 42 .

[0039] Specifically, the material is fed into the inside of the grinding mill body 42 through the feeding funnel 44 , and the material can be crushed by the coal grinding roller 43 inside the grinding mill body 42 . The crushed material can be sent out through the discharging funnel 41 and supported by the support groove 4 .

[0040] During use, first, the material is added into the feed hopper 44, and then the material is sent into the mill body 42 after being fed through the feed hopper 44. The material can be crushed by the coal grinding rollers 43 inside the mill body 42, so that the material can be crushed, and the crushed material can be sent out through the discharge hopper 41 and supported by the support groove 4. The powder sent out by the discharge hopper 41 enters the interior of the switching box 1, and the rotation of the electric rotating shaft 14 on the top of the two partition plates 13 at the bottom of the switching box 1 can drive the two baffles 15 to rotate and adjust, so that the coal powder sent out from the discharge funnel 41 can be guided, and the guide plate 16 on the top of the baffle 15 can prevent the material from accumulating on the top of the baffle 15. When the two baffles 15 rotate to the left, so that the left baffle 15 is located at the bottom of the left side plate 11, the material can be guided to the right. When the two baffles 15 rotate to the right, so that the right baffle 15 is located at the bottom of the right side plate 11 The bottom can guide the material to the left, and when the two baffles 15 rotate to both sides, the material can be poured into the middle, which improves the convenience of the raw coal grinding equipment with switchable unloading area and facilitates the switching of the unloading area, thereby improving the practicality of the raw coal grinding equipment with switchable unloading area. The guided material can be sent to the interior of the designated storage box 22 through the guide trough 2 and the auxiliary trough 21, and the speed of the falling material can be slowed down by the deceleration rod 23 inside the storage box 22. The deceleration rod 23 is triangular in shape, which avoids the problem of material blockage and sends the material out through the discharge port 3. When the grinding mill body 42 is closed, the telescopic rod 32 inside the fixed groove 31 automatically retracts and pushes the cover plate 33 to seal the inside of the discharge port 3, and the silicone plate 34 has a buffering and fitting effect, thereby quickly closing the raw coal grinding equipment with switchable unloading area, thereby improving the practicality of the raw coal grinding equipment with switchable unloading area and the effect of quick switching.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A raw coal grinding equipment with switchable feeding area, characterized in that: The raw coal grinding equipment with a switchable unloading zone comprises a switch box (1), two side panels (11) are fixedly installed on both sides of the inner top of the switch box (1), a guide rod (12) is fixedly installed on the inner top of the switch box (1), a partition plate (13) is fixedly installed on the inner bottom of the switch box (1), an electric rotating shaft (14) is fixedly installed on the top of the partition plate (13), a baffle (15) is movably connected to the top of the electric rotating shaft (14), and a guide rod (12) is fixedly installed on the top of the baffle (15). The guide plate (16) is triangular in shape, a guide trough (2) is fixedly installed in the middle of the bottom of the switching box (1), two auxiliary troughs (21) are fixedly installed on both sides of the guide trough (2), a storage box (22) is fixedly installed at the bottom of the guide trough (2), and the storage box (22) is also fixedly installed at the bottom of the auxiliary trough (21), a deceleration rod (23) is fixedly installed at the bottom of the storage box (22), and a mounting funnel (24) is fixedly installed at the bottom of the storage box (22).

2. The raw coal grinding equipment with switchable feeding area according to claim 1, characterized in that: A discharge port (3) is fixedly mounted on the bottom of the mounting funnel (24), and a fixing groove (31) is fixedly mounted on one side of the discharge port (3).

3. The raw coal grinding equipment with switchable feeding area according to claim 2, characterized in that: Two telescopic rods (32) are fixedly mounted on both sides of the interior of the fixing groove (31), and a cover plate (33) is fixedly mounted on one side of the telescopic rod (32).

4. The raw coal grinding equipment with switchable feeding area according to claim 3, characterized in that: A silica gel plate (34) is fixedly mounted on one side of the cover plate (33).

5. The raw coal grinding equipment with switchable feeding area according to claim 1, characterized in that: A support groove (4) is fixedly installed on the top of the switching box (1), and a discharge funnel (41) is fixedly installed inside the support groove (4).

6. The raw coal grinding equipment with switchable feeding area according to claim 5, characterized in that: A grinding mill body (42) is fixedly mounted on the top of the support groove (4), and a coal grinding roller (43) is movably connected inside the grinding mill body (42).

7. The raw coal grinding equipment with switchable feeding area according to claim 6, characterized in that: A feeding funnel (44) is fixedly mounted on the top of the grinding mill body (42).

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