Blowing force testing device for injection valve of coal dry separator

Abstract

The utility model discloses a coal dry separator spray valve blowing force testing device, which relates to the technical field of coal dry separators and comprises an array spray valve hole, fixing plates are arranged on two sides of the array spray valve hole, and two height adjusting plates are arranged on the outer surfaces of the fixing plates on two sides. The height adjusting plates on the two sides are provided with connecting plates through adjusting threaded holes. A pressure sensor is arranged at the bottom of the connecting plate, and the bottom end of the pressure sensor is connected with a wind receiving plate. By arranging the wind receiving plate and arranging the spiral pressure sensor between the wind receiving plate and the top connecting plate, when the wind receiving plate receives high-pressure wind sprayed by the spray valve, the wind receiving plate can move towards the pressure sensor to generate pressure on the pressure sensor, so that a pressure value is read from the pressure sensor; therefore, the blowing force of the spray valve of the dry separator at the bottom is tested. And the height adjusting plate is arranged, and the connecting plate is arranged at different heights, so that the distance between the air receiving plate and the bottom spray valve is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of coal dry separators, in particular to a blowing force testing device for a spray valve of a coal dry separator. Background Art

[0002] Intelligent dry sorting of gangue usually uses high-pressure gas to hit the material for sorting. Gangue is mostly large, and the spray valve holes are basically arranged in multiple rows. Therefore, each time the spray valve is executed, multiple valves may be sprayed at the same time. The dry sorting of gangue needs to be carried out by a dry sorting machine.

[0003] The existing intelligent dry sorting vertical machine uses finite element software to analyze the blowing force of the nozzle and spray valve to obtain the theoretical blowing force. The spray valve is designed according to the theoretical blowing force. During the software analysis, the marginal conditions are not set accurately, which often causes a large deviation between the actual blowing force and the theoretical blowing force. Therefore, we need the most realistic spray valve blowing force data. Even to verify the theoretical blowing force, it is necessary to test and obtain the most accurate real spray valve blowing force. Summary of the invention

[0004] The utility model aims to solve the problem of large deviation between theoretical blowing force and actual blowing force of the dry sorting machine in the above-mentioned background technology, and proposes a blowing force testing device for the spray valve of the coal dry sorting machine.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A coal dry sorting machine spray valve blowing force testing device comprises an array spray valve hole, fixed plates are arranged on both sides of the array spray valve hole, and two height adjustment plates are arranged on the outer surfaces of the fixed plates on both sides; two adjustment waist holes are arranged on each height adjustment plate, and the height adjustment plate is connected to the fixed plate through the adjustment waist holes; a plurality of adjustment threaded holes are arranged on the top of the height adjustment plate, and connecting plates are arranged on the height adjustment plates on both sides through the adjustment threaded holes; a pressure sensor is arranged at the bottom of the connecting plate, and the bottom end of the pressure sensor is connected to a wind receiving plate.

[0007] As a further solution of the utility model: the shape of the wind receiving plate is adapted to the number of the spray valve holes in the bottom array.

[0008] As a further solution of the utility model: the wind receiving plate is arranged along the horizontal direction.

[0009] As a further solution of the utility model: a plurality of mounting threaded holes are arranged on the surface of the fixing plate, and the fixing plate is fixedly connected with the array spray valve holes through the mounting threaded holes.

[0010] As a further solution of the utility model: the height adjustment plate is arranged along the vertical direction.

[0011] As a further solution of the utility model: the adjusting waist hole on the height adjusting plate is arranged along the vertical direction, and the two adjusting waist holes of the same height adjusting plate are arranged symmetrically about the central plane of the height adjusting plate.

[0012] As a further solution of the utility model: both ends of the pressure sensor are threaded structures, and the two ends are respectively connected to the connecting plate and the wind receiving plate.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model is a device for testing the blowing force of a spray valve of a coal dry sorting machine. A wind receiving plate is provided. A spiral pressure sensor is provided between the wind receiving plate and the top connecting plate. When the wind receiving plate is subjected to high-pressure wind from the spray valve, it moves toward the pressure sensor, generating pressure on the pressure sensor, thereby reading a pressure value from the pressure sensor, and testing the blowing force of the spray valve of the dry sorting machine at the bottom.

[0015] (2) The utility model is a coal dry sorting machine spray valve blowing force testing device, which is provided with a height adjustment plate. The height adjustment plate and the connecting plate are connected by three rows of adjustment threaded holes. By setting adjustment threaded holes at different heights on the connecting plate, the distance between the wind receiving plate and the bottom spray valve can be adjusted over a large range; the height adjustment plate is connected to the fixing plate by adjusting the waist hole, and the distance between the wind receiving plate and the bottom spray valve can be linearly adjusted in a small range by adjusting the waist hole and the fixing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the installation of a blow force test device for a spray valve of a coal dry sorting machine according to the utility model;

[0018] Figure 2 The utility model is a structural schematic diagram of a blowing force testing device of a spray valve of a coal dry separator.

[0019] In the figure: 1. fixing plate; 11. mounting threaded hole; 12. connecting threaded hole; 2. height adjustment plate; 21. adjusting waist hole; 22. adjusting threaded hole; 3. connecting plate; 4. pressure sensor; 5. wind receiving plate; 6. array spray valve hole. DETAILED DESCRIPTION

[0020] 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 of 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.

[0021] See also Figure 1 and Figure 2 As shown, the utility model is a coal dry sorting machine spray valve blowing force test device, comprising two fixing plates 1, the surfaces of the two fixing plates 1 are provided with a plurality of mounting screw holes, the fixing plates 1 are arranged on both sides of the array spray valve, and the mounting screw holes of the fixing plates 1 are arranged on both sides of the array spray valve by setting fixing bolts. A plurality of connecting threaded holes 12 are arranged on the fixing plates 1 on both sides, and height adjustment plates 2 are arranged on the outer sides of the fixing plates 1 on both sides. The height adjustment plates 2 on both sides are arranged along the vertical direction, and each height adjustment plate 2 is provided with an adjusting waist hole 21, and the connecting threaded holes 12 of the fixing plate 1 and the adjusting waist hole 21 of the height adjustment plate 2 are provided with fixing bolts for fixing. Three rows of adjusting threaded holes 22 are arranged on the top of the height adjustment plate 2, and the height adjustment plates 2 on both sides are threadedly provided with connecting plates 3 through the adjusting threaded holes 22. The connecting plate 3 is arranged along the horizontal direction, and a pressure sensor 4 is arranged inside the connecting plate 3, and the shape of the pressure sensor 4 is spiral, and one end of the pressure sensor 4 is connected to the connecting plate 3, and the bottom end of the pressure sensor 4 is connected to a circular wind receiving plate 5. The wind receiving plate 5 is arranged along the horizontal direction, and the bottom of the wind receiving plate 5 faces the array spray valve holes 6 .

[0022] When using this coal dry sorting machine spray valve blowing force test device, open the coal dry sorting machine spray valve at the bottom, and the several array spray valve holes 6 of the coal dry sorting machine convey air vertically upward. The airflow in the vertical direction contacts the bottom of the wind receiving plate 5, and the wind receiving plate 5 is forced to move to generate pressure on the pressure sensor 4. The corresponding value generated by the pressure sensor 4 is the blowing force of the coal dry sorting machine spray valve. The wind receiving plate 5 is detachably connected to the bottom end of the pressure sensor 4, and the wind receiving plate 5 of different shapes and sizes can be replaced by different numbers of the bottom array spray valve holes 6. Three rows of adjustment threaded holes 22 are provided on the height adjustment plates 2 on both sides, so that the connecting plate 3 is set on different adjustment threaded holes 22, so that the height of the connecting plate 3 and the pressure sensor 4 can be adjusted in a wide range. Each height adjustment plate 2 is provided with an adjustment waist hole 21, and the fixed plate 1 and the height adjustment plate 2 are connected by adjusting the waist hole 21 and the connecting threaded hole 12, and the position of the height adjustment plate 2 is linearly adjusted in a small range by adjusting the waist hole 21. The entire spray valve blowing force test device is connected to the spray valve body to form an integral structure. The height position of the wind receiving plate 5 can be adjusted linearly in a small range by using the waist hole, or can be adjusted in a large range by using the adjusting threaded holes 22 at different heights installed on the height adjustment plate 2. The direction of the wind receiving plate 5 is perpendicular to the direction of the high-pressure wind of the spray valve. When the wind receiving plate 5 is subjected to the high-pressure wind sprayed by the spray valve, it will move toward the direction of the pressure sensor 4, generate pressure on the pressure sensor 4, and thus read the pressure value from the pressure sensor 4.

[0023] Working principle of the utility model: the utility model is a coal dry sorting machine spray valve blowing force testing device, by setting a wind receiving plate 5, a spiral pressure sensor 4 is set between the wind receiving plate 5 and the top connecting plate 3, when the wind receiving plate 5 is subjected to the high-pressure wind sprayed by the spray valve, it will move toward the pressure sensor 4, generate pressure on the pressure sensor 4, so as to read the pressure value from the pressure sensor 4, so as to test the blowing force of the bottom dry sorting machine spray valve; by setting a height adjustment plate 2, the height adjustment plate 2 and the connecting plate 3 are connected by three rows of adjustment threaded holes 22, by setting the adjustment threaded holes 22 at different heights on the connecting plate 3, the distance between the wind receiving plate 5 and the bottom spray valve can be adjusted in a large range; the height adjustment plate 2 is connected to the fixed plate 1 by the adjusting waist hole 21, and the distance between the wind receiving plate 5 and the bottom spray valve can be linearly adjusted in a small range by adjusting the waist hole 21 and the fixed plate 1.

[0024] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A coal dry sorting machine spray valve blowing force testing device, comprising an array spray valve hole (6), characterized in that: Fixed plates (1) are arranged on both sides of the array spray valve hole (6), and two height adjustment plates (2) are arranged on the outer surfaces of the fixed plates (1) on both sides; two adjustment waist holes (21) are arranged on each height adjustment plate (2), and the height adjustment plate (2) is connected to the fixed plate (1) through the adjustment waist holes (21); a plurality of adjustment threaded holes (22) are arranged on the top of the height adjustment plate (2), and connecting plates (3) are arranged on the height adjustment plates (2) on both sides through the adjustment threaded holes (22); a pressure sensor (4) is arranged at the bottom of the connecting plate (3), and the bottom end of the pressure sensor (4) is connected to a wind receiving plate (5).

2. A coal dry separator blow valve blowing force testing device according to claim 1, characterized in that: The shape of the wind receiving plate (5) is adapted to the number of the bottom array spray valve holes (6).

3. A coal dry separator blow valve blowing force testing device according to claim 1, characterized in that: The wind receiving plate (5) is arranged along the horizontal direction.

4. A coal dry separator blow valve blowing force testing device according to claim 1, characterized in that: A plurality of mounting threaded holes (11) are provided on the surface of the fixing plate (1), and the fixing plate (1) is fixedly connected to the array spray valve holes (6) via the mounting threaded holes (11).

5. A coal dry separator blow valve blowing force testing device according to claim 1, characterized in that: The height adjustment plate (2) is arranged along the vertical direction.

6. A coal dry separator blow valve blowing force testing device according to claim 1, characterized in that: The adjusting waist hole (21) on the height adjusting plate (2) is arranged along the vertical direction, and the two adjusting waist holes (21) of the same height adjusting plate (2) are arranged symmetrically with respect to the central plane of the height adjusting plate (2).

7. A coal dry separator blow valve blowing force testing device according to claim 1, characterized in that: Both ends of the pressure sensor (4) are threaded structures, and the two ends are respectively connected to the connecting plate (3) and the wind receiving plate (5).

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