Coal quality test total moisture and analysis moisture waste sample dust control optimization device

Abstract

The utility model discloses a coal quality test total moisture and moisture analysis discarded sample dust control optimization device, which belongs to the technical field of dust control optimization devices, and adopts a negative pressure fan to carry out PLC (Programmable Logic Controller) control to realize an automatic frequency conversion function when no dust is found on a white working table top and bedding white paper during test and the dust cannot be observed by naked eyes. The method comprises the following steps: carrying out automatic air volume adjustment identification on the particle size of total moisture and analysis moisture abandoned coal samples, arranging a core fan at the middle position of equipment, adopting an anti-noise material at the periphery, enabling the working noise to be less than or equal to 30 decibels, adopting a 304 stainless steel table top as a dust suction port, and pouring materials or cleaning crucible abandoned materials at the position, so as to achieve the purpose of automatically adjusting and identifying the air volume, wherein the air volume reaches 3000, and the filtering area reaches 16 m < 2 >; the dust fall rate in the whole cleaning process reaches 99%, the appearance of the device is designed to be simple and small, indoor space is not occupied, four universal wheels are installed at the bottom, moving is convenient, coal dust is collected through a 304 stainless steel table top and a side dust suction opening, and cleaning can be conducted through a maintenance cleaning door.

Description

Technical Field

[0001] The utility model relates to an optimized device for controlling dust in discarded samples of total moisture and analytical moisture in coal quality testing, belonging to the technical field of dust control and optimization devices. Background Art

[0002] For example, the coal quality testing device disclosed in the application number: CN219997062U includes a cabinet body, a cabinet door, a sealing member, a crucible and a limiting component. There is a testing room inside the cabinet body. A testing table is arranged in the testing room. The cabinet door is rotatably connected to the cabinet body to open and close the testing room. The sealing member is arranged on the cabinet door or the cabinet body so that when the cabinet door is closed, the cabinet door is in close contact with the cabinet body. The crucible is detachably arranged on the testing table. The limiting component is arranged in the testing room and is connected to the crucible to fix or release the crucible. The testing result of the coal quality testing device is accurate, and the crucible used for testing can be fixed, so that the sample is not easy to scatter.

[0003] Based on retrieval and analysis, we find that there are still deficiencies in the existing technology:

[0004] The equipment in the existing technology is relatively large, with a large volume during use and is not convenient to move. The equipment cannot achieve the functions of explosion prevention and easy cleaning. Therefore, an optimized device for controlling dust in discarded samples of total moisture and analytical moisture in coal quality testing is needed to improve the above deficiencies. Content of the Utility Model

[0005] The main purpose of the utility model is to provide an optimized device for controlling dust in discarded samples of total moisture and analytical moisture in coal quality testing.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] An optimized device for controlling dust in discarded samples of total moisture and analytical moisture in coal quality testing includes a main structure for testing and dust collection;

[0008] Both sides at the upper end of the main structure are covered with side baffles. The side baffles and the main structure are connected by hinges for opening and closing. A stainless steel tabletop and side dust suction ports are installed on the side baffles of the main structure.

[0009] A mobile maintenance group is installed on one side of the main structure.

[0010] Preferably, the mobile maintenance group includes a maintenance and cleaning door and universal wheels. Universal wheels are installed at the four corners of the bottom of the main structure, and a maintenance and cleaning door is installed on one side of the main structure.

[0011] Preferably, the main structure and the side baffles are sound-insulating structures.

[0012] Preferably, the 304 stainless steel tabletop and the side dust suction port are interconnected with the main body structure.

[0013] Preferably, the main body structure, the side baffle, and the side dust suction port are detachable structures.

[0014] Preferably, the 304 stainless steel tabletop and the side dust suction port are detachable structures.

[0015] The beneficial technical effects of the present utility model:

[0016] A device for optimizing the control of discarded sample dust of total moisture and analytical moisture in coal quality testing provided by the present utility model, wherein the main body structure is the main body structure of the device for optimizing the control of discarded sample dust of analytical moisture, universal wheels are installed at the four corners of the bottom of the main body structure, an anti-explosion structure is covered on the main body structure, a maintenance and cleaning door is installed on one side of the main body structure, a 304 stainless steel tabletop is installed on the maintenance and cleaning door on one side of the main body structure, side baffles are respectively installed on both sides of the 304 stainless steel tabletop, a side dust suction port is installed on one side of the 304 stainless steel tabletop, and the side baffle is fixedly connected to the main body structure through the hinge. In this application, when the ventilation device in the laboratory is opened, the discarded materials of total moisture and analytical moisture are collected. It is found that during the process of pouring the crucible and cleaning, visible dust scatters on the white workbench and the white paper laid during the test, and the amount is relatively large.

[0017] b. When the fume hood and the ventilation system are opened, the discarded materials of total moisture and analytical moisture of the same equipment are collected. Compared with the ventilation device, the dust scattered on the white workbench and the white paper laid during the test is significantly reduced, and fine dust can also be observed. Moreover, during the test process, the data in the ten-thousandth place of the weighing balance of the equipment fluctuates.

[0018] c. When the intelligent coal sample collector is used to collect the discarded materials of total moisture and analytical moisture of the same equipment, first, the data in the ten-thousandth place of the weighing balance of the equipment does not fluctuate. Second, no dust is found on the white workbench and the white paper laid during the test, and no dust can be observed with the naked eye.

[0019] The negative pressure fan is controlled by PLC to realize the automatic frequency conversion function. The automatic air volume adjustment identification is carried out for the particle size of the discarded coal samples of total moisture and analytical moisture. The air volume reaches 3000, the filtration area reaches 16 ㎡, and the core fan is placed in the middle of the equipment. Anti-noise materials are used around. The working noise ≤ 30 decibels. The dust suction port adopts a 304 stainless steel tabletop. When pouring or cleaning the waste materials of the crucible here, the dust reduction rate of the whole cleaning process reaches 99%. The appearance of the equipment adopts a simple and compact design, does not occupy indoor space, and 4 universal wheels are installed at the bottom for easy movement.

[0020] The coal dust is collected through the 304 stainless steel tabletop and the side dust suction port, and can be cleaned through the maintenance and cleaning door. Description of the Drawings

[0021] Figure 1 Schematic diagram of the overall three-dimensional structure of the device according to a preferred embodiment of an optimized device for controlling dust from discarded samples of total moisture and analytical moisture in coal quality testing in accordance with the present utility model;

[0022] Figure 2 Front view of a preferred embodiment of an optimized device for controlling dust from discarded samples of total moisture and analytical moisture in coal quality testing in accordance with the present utility model;

[0023] Figure 3 Side view of a preferred embodiment of an optimized device for controlling dust from discarded samples of total moisture and analytical moisture in coal quality testing in accordance with the present utility model.

[0024] In the figure: 1, main body structure; 2, side baffle; 3, 304 stainless steel tabletop; 4, hinge; 5, maintenance and cleaning door; 6, universal wheel; 7, side dust suction port. Detailed implementation manners

[0025] To make the technical solutions of the present utility model clearer and more definite for those skilled in the art, the present utility model will be further described in detail below in conjunction with embodiments and the accompanying drawings. However, the implementation manners of the present utility model are not limited thereto.

[0026] As shown in Figure 1 - Figure 3 An optimized device for controlling dust from discarded samples of total moisture and analytical moisture in coal quality testing provided in this embodiment includes a main body structure 1 for dust collection during testing;

[0027] Both sides at the upper end of the main body structure 1 are covered with side baffles 2. The side baffles 2 and the main body structure 1 are connected by hinges 4 for opening and closing. A 304 stainless steel tabletop 3 and a side dust suction port 7 are installed on the side baffles 2 of the main body structure 1;

[0028] A mobile maintenance group is installed on one side of the main body structure 1.

[0029] The mobile maintenance group includes a maintenance and cleaning door 5 and universal wheels 6. Universal wheels 6 are installed at the four corners of the bottom of the main body structure 1, and a maintenance and cleaning door 5 is installed on one side of the main body structure 1.

[0030] The main body structure 1 and the side baffles 2 are sound-insulating structures.

[0031] The 304 stainless steel tabletop 3 and the side dust suction port 7 are interconnected with the main body structure 1.

[0032] The main body structure 1, the side baffles 2 and the side dust suction port 7 are detachable structures.

[0033] The 304 stainless steel tabletop 3 and the side dust suction port 7 are detachable structures.

[0034] As shown inFigure 1 - Figure 3 As shown in Figure 3 , the working process of an optimized device for controlling dust from discarded samples of total moisture and analytical moisture in coal quality testing is as follows: A negative pressure fan is controlled by PLC to achieve an automatic frequency conversion function. It automatically identifies and adjusts the air volume according to the particle size of the discarded samples of total moisture and analytical moisture coal samples. When the air volume reaches 3000 and the filtration area reaches 16 ㎡, the core fan is placed in the middle of the equipment. The surrounding of the main structure 1 is made of noise-proof materials, and the working noise ≤ 30 decibels. The dust suction port uses a 304 stainless steel tabletop 3, where materials are poured or the waste in the crucible is cleaned. The dust reduction rate during the entire cleaning process reaches 99%. The appearance of the equipment is designed to be simple and compact, not occupying indoor space, and 4 universal wheels 6 are installed at the bottom for easy movement.

[0035] Embodiment

[0036] As Figure 1 - Figure 3 As shown in Figure 3 , the main structure 1 is the main structure of the optimized device for controlling dust from discarded samples of analytical moisture. Universal wheels 6 are installed at the four corners of the bottom of the main structure 1. A noise-proof structure covers the main structure 1. A maintenance and cleaning door 5 is installed on one side of the main structure 1. A 304 stainless steel tabletop 3 is installed on the maintenance and cleaning door 5 on one side of the main structure 1. Side baffles 2 are respectively installed on both sides of the 304 stainless steel tabletop 3. A side dust suction port 7 is installed on one side of the 304 stainless steel tabletop 3. The side baffle 2 is fixedly connected to the main structure 1 through the hinge 4. When the ventilation device in the laboratory is opened in this application, the discarded materials of total moisture and analytical moisture are collected. It is found that visible dust scatters on the white workbench and the white paper laid during testing during the process of pouring materials and cleaning the crucible, and the amount is relatively large.

[0037] b. When the fume hood and ventilation system are opened, the discarded materials of total moisture and analytical moisture of the same equipment are collected. Compared with the ventilation device, there is significantly less dust scattered on the white workbench and the white paper laid during testing. Fine dust can still be observed, and the data in the ten-thousandth place of the weighing balance of the equipment fluctuates during the testing process.

[0038] c. When using a coal quality intelligent sample collector to collect the discarded materials of total moisture and analytical moisture of the same equipment, first, the data in the ten-thousandth place of the weighing balance of the equipment does not fluctuate. Second, no dust is found on the white workbench and the white paper laid during testing, and no dust can be observed with the naked eye.

[0039] The negative pressure fan is used for PLC control to achieve the automatic frequency conversion function. It automatically identifies and adjusts the air volume according to the particle size of the discarded samples of total moisture and analytical moisture coal samples. The air volume reaches 3000, the filtration area reaches 16 ㎡, and the core fan is placed in the middle of the equipment. Soundproof materials are used around it, and the working noise is ≤ 30 decibels. The dust suction port uses a 304 stainless steel tabletop 3, where the crucible waste is emptied or cleaned. The dust reduction rate during the whole cleaning process reaches 99%. The appearance of the equipment is designed to be simple and compact, without occupying indoor space, and 4 universal wheels 6 are installed at the bottom for easy movement;

[0040] The coal dust is collected through the 304 stainless steel tabletop 3 and the side dust suction port 7, and can be cleaned through the maintenance and cleaning door 5.

[0041] As mentioned above, it is only a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the scope disclosed by the present utility model, according to the technical solution and its concept of the present utility model, makes equivalent substitutions or changes, all belong to the protection scope of the present utility model.

Claims

1. A device for optimizing the control of dust from coal samples for total moisture content testing and moisture analysis, comprising a main structure (1) for collecting dust from the coal samples for testing; Features: The upper ends of the main structure (1) are covered with side baffles (2) on both sides, and the side baffles (2) are connected to the main structure (1) by hinges (4) for opening and closing. A 304 stainless steel tabletop (3) and a side dust suction port (7) are installed on the side baffles (2) on the main structure (1); A mobile maintenance group is installed on one side of the main structure (1).

2. The device for optimizing the control of dust from coal quality testing of total moisture and analysis of moisture, according to claim 1, is characterized by: The mobile maintenance group comprises a maintenance and cleaning door (5) and universal wheels (6). The universal wheels (6) are installed at the four corners of the bottom of the main structure (1), and the maintenance and cleaning door (5) is installed on one side of the main structure (1).

3. The device for optimizing the control of dust from coal quality testing of total moisture and analysis of moisture, according to claim 2, is characterized by: The main structure (1) and the side baffles (2) are sound insulation structures.

4. The device for optimizing the control of dust from coal quality testing of total moisture and analysis of moisture, according to claim 3, is characterized by: The 304 stainless steel table top (3) and the side dust suction port (7) are in communication with the main structure (1).

5. The device for optimizing the control of dust from coal quality testing of total moisture and analysis of moisture, according to claim 4, is characterized by: The main body structure (1), the side baffle plate (2) and the side dust suction port (7) are detachable structures.

6. The device for optimizing dust control for total moisture content and analysis of moisture content in coal quality testing according to claim 5 is characterized by: The 304 stainless steel table top (3) and the side dust suction port (7) are detachable structures.

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