Dust removal system for raw and auxiliary material sample preparation chamber

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By installing a dust removal system in the sample preparation room and using dust hoods and filter bags to filter dust, the problem of serious harm to employee health and environmental pollution caused by dust in the sample preparation room has been solved, thereby improving the sample preparation working environment and reducing the risk of occupational diseases.

CN223629201UActive Publication Date: 2025-12-05YANGCHUN NEW STEEL CO LTD

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Patent Information

Application Number: CN202422948207.3
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-11-29
Publication Date: 2025-12-05
Estimated Expiration: 2034-11-29

AI Technical Summary

Technical Problem

In the existing technology, the dust in the sample preparation room is relatively large, which leads to health hazards to employees and seriously endangers the health of employees and pollutes the environment.

Method used

A dust removal system for a raw material sample preparation room was designed, including a dust removal host, a main dust removal pipeline, a dust removal sub-unit, and a chimney. By setting up dust suction hoods and filter bags in the sample preparation area, the dust is sucked into the dust removal host by negative pressure and discharged after being filtered by the filter bags, thus achieving a semi-sealed system to prevent dust from overflowing.

Benefits of technology

It effectively reduced the dust concentration at the sample preparation site, decreased the incidence of occupational diseases, and improved the environmental pollution problem around the sample preparation room.

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Abstract

The utility model discloses a raw and auxiliary material sample preparation chamber dust removal system, including sample preparation chamber and set up the dust removal device at sample preparation chamber top, sample preparation chamber includes a plurality of adjacent or spaced apart sample preparation area, dust removal device includes dust removal host, dust removal main pipeline, dust removal sub-unit and chimney, dust removal host is installed outside sample preparation chamber, dust removal sub-unit is installed in the dust removal sub-unit, dust removal main pipeline is installed in the dust removal sub-unit, and chimney is installed in the dust removal sub-unit. One end of the dust removal main pipeline is connected with the dust removal main pipeline, the other end of the dust removal main pipeline is respectively connected with the dust removal sub-units arranged in the plurality of sample preparation areas, one end of the dust removal main pipeline opposite to the dust removal main pipeline is connected with a chimney, a filter bag is arranged in the dust removal main pipeline, an air inlet of the filter bag is connected with an exhaust port of the dust removal main pipeline, and an air outlet of the filter bag is connected with an air inlet of the chimney. According to the utility model, the corresponding sample preparation areas are respectively semi-sealed through the dust removal sub-units, dust is prevented from overflowing, raised dust enters the dust removal main machine through the dust removal main pipeline by utilizing negative pressure, and is discharged after being filtered by the filter bag, so that the field environment of sample preparation operation is improved, and the occurrence probability of occupational diseases is reduced.

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Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal technical field, concretely is a kind of raw and auxiliary materials sample preparation room dust removal system. BACKGROUND

[0002] Sample preparation is the process of making sample to analysis or test state (preparing the sample collected into the analysis sample capable of representing the original sample characteristics), and a large amount of dust is generated in the process of sample preparation due to crushing, screening, piling, sample grinding and other processes, and long-time working in heavy dust environment will cause great harm to the lungs of workers, especially alloy materials containing heavy metal elements, which will seriously threaten the health of workers once inhaled.In the early stage of sample preparation, in order to reduce the dust raising in the sample preparation room, a plurality of axial flow fans are installed on the wall surface of the sample preparation room for external exhaust, since the axial flow fans are far away from the main dust raising points such as sample preparation table and sample grinding table, and the suction force is limited, it is impossible to fundamentally suppress the dust raising.In addition, the method of using wall axial flow fan to exhaust dust from the sample preparation room pollutes the surrounding environment of the sample preparation room seriously, which seriously affects the plant appearance. SUMMARY

[0003] The utility model aims at providing a raw and auxiliary materials sample preparation room dust removal system for improving the sample preparation site environment, to solve the problems of serious dust raising in the sample preparation room, which seriously endangers the health of workers, and the method of using wall fan for external exhaust, which pollutes the surrounding environment of the sample preparation room seriously, and seriously affects the plant appearance.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A raw and auxiliary materials sample preparation room dust removal system, comprising a sample preparation room and a dust removal device arranged on the top of the sample preparation room, the sample preparation room comprises a plurality of sample preparation areas arranged adjacent to or spaced apart, the dust removal device comprises a dust removal main machine, a dust removal main pipeline, a dust removal subunit and a chimney, the dust removal main machine is installed outside the sample preparation room, one end of the dust removal main pipeline is connected with the dust removal main machine, the other end is connected with the dust removal subunit arranged in the plurality of sample preparation areas respectively, the dust removal main machine is connected with the chimney at one end of the dust removal main pipeline, a filter bag is arranged in the dust removal main machine, the filter bag air inlet is connected with the dust removal main pipeline air outlet, and the filter bag air outlet is connected with the chimney air inlet.

[0006] Preferably, the sample preparation area is provided with a sample preparation table and a sample grinding table opposite to each other, and a sample grinder, a roller crusher and a jaw crusher are sequentially arranged beside the sample preparation table.

[0007] Preferably, each of the dust removal sub-units comprises a first dust removal sub-pipe, a first dust suction hood, a second dust suction hood, a second dust removal sub-pipe and a third dust suction hood, one end of the first dust removal sub-pipe is connected with the dust removal main pipe, the other end is respectively connected with the first dust suction hood and the second dust suction hood, one end of the second dust removal sub-pipe is connected with the first dust removal sub-pipe, and the other end is connected with the third dust suction hood.

[0008] Preferably, one end of the first dust removal sub-pipe is provided with an electric valve when being connected with the dust removal main pipe.

[0009] Preferably, the first dust suction hood is arranged on the sample preparation table, the second dust suction hood is arranged on the sample grinding table, and the second dust suction hood is arranged on the sample grinder, the pair roller crusher and the jaw crusher.

[0010] Preferably, the first dust suction hood comprises a sealing part and a dust suction part connected to the top end of the sealing part.

[0011] Preferably, the sealing part is a box structure, the top end of the sealing part is communicated with the dust suction part, three sides of the sealing part are sealed, and the remaining one side is opened for operation.

[0012] Preferably, the dust suction part is an inverted funnel structure.

[0013] Preferably, the filter bag comprises an inner bag body and an outer bag body sleeved on the outer circumferential side of the inner bag body, the top end of the inner bag body is sealingly connected with the top end of the outer bag body, and the top end of the inner bag body is a bag opening for airflow outflow.

[0014] Preferably, the inner bag body and the bag body of the inner bag body are both filter screen structures with filter holes smaller than 0.1 mm.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The dust removal sub-units respectively perform semi-sealing on the corresponding sample preparation areas to prevent dust overflow, utilize negative pressure to make dust fly through the dust removal main pipe into the dust removal host, and then discharge after filtration by the filter bag, thereby improving the sample preparation operation site environment and reducing the probability of occupational diseases;

[0017] 2. The first dust suction hood comprises a sealing part and a dust suction part connected to the top end of the sealing part, the sealing part is a box structure, the top end of the sealing part is communicated with the dust suction part, three sides of the sealing part are sealed, and the remaining one side is opened for operation, thereby maximizing the prevention of dust overflow from the first dust suction hood;

[0018] 3. The top end of the inner bag body of the filter bag is sealingly connected with the top end of the outer bag body, the top end of the inner bag body is a bag opening for airflow outflow, an isolation cavity is formed between the inner bag body and the outer bag body to prevent the filtration effect from being reduced due to damage of the inner bag body or the outer bag body, and the inner bag body and the bag body of the inner bag body are both filter screen structures with filter holes smaller than 0.1 mm to achieve the purpose of purifying dust. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overhead view of the dust removal system of the raw and auxiliary material sample preparation room of the utility model;

[0020] Figure 2 It is the structural schematic view of the dust removal subunit of the utility model;

[0021] Figure 3 It is the perspective view of the first dust cover of the utility model;

[0022] Figure 4 It is the structural schematic view of the filter bag of the utility model.

[0023] In the drawing: 1, sample preparation area; 2, dust removal host; 3, dust removal main pipeline; 4, dust removal subunit; 41, first dust removal sub-pipeline; 42, first dust cover; 421, sealing part; 422, dust suction part; 43, second dust cover; 44, second dust removal sub-pipeline; 45, third dust cover; 5, chimney; 6, filter bag; 61, inner bag body; 62, outer bag body; 63, isolation cavity; 7, sample preparation table; 8, sample grinding table; 9, sample grinder; 10, pair roller crusher; 11, jaw crusher; 12, electric valve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-4A dust removal system for raw material and auxiliary material sample preparation chamber, comprising a sample preparation chamber and a dust removal device arranged on the top of the sample preparation chamber, wherein the sample preparation chamber comprises a plurality of sample preparation areas 1 arranged adjacently or at intervals, and in the embodiment, the sample preparation areas 1 include alloy sample preparation area, lime sample preparation area, mineral sample preparation area, coal sample preparation area and coke sample preparation area, which are respectively used for sample preparation of different samples, so as to avoid the pollution of dust generated in the sample preparation process to different samples. The dust removal device comprises a dust removal main machine 2, a dust removal main pipeline 3, a dust removal subunit 4 and a chimney 5, wherein the dust removal main machine 2 is installed outside the sample preparation chamber, one end of the dust removal main pipeline 3 is connected with the dust removal main machine 2, and the other end is connected with the dust removal subunit 4 arranged in the plurality of sample preparation areas 1. The dust removal main machine 2 is connected with the chimney 5 at one end of the dust removal main pipeline 3, and the chimney 5 is used for discharging the air after dust removal. The dust removal main machine 2 is provided with a filter bag 6, the air inlet of the filter bag 6 is connected with the air outlet of the dust removal main pipeline 3, the air outlet of the filter bag 6 is connected with the air inlet of the chimney 5, and the filter bag 6 is used for separating dust and ash from the dust. The sample preparation areas 1 are respectively semi-sealed by the dust removal subunit 4 to prevent dust overflow, and the dust removal main machine 2 is used to make the dust enter the dust removal main machine 2 through the dust removal main pipeline 3 under negative pressure, and then the dust is filtered by the filter bag 6 and discharged, so as to improve the working environment of the sample preparation site and reduce the probability of occupational diseases.

[0026] Please refer to Figures 1-2 The sample preparation areas 1 are provided with a sample preparation table 7 and a sample grinding table 8, and the sample preparation table 7 is provided with a sample grinder 9, a roll crusher 10 and a jaw crusher 11 in sequence on the side.

[0027] Each of the dust removal subunits 4 comprises a first dust removal sub-pipeline 41, a first dust suction cover 42, a second dust suction cover 43, a second dust removal sub-pipeline 44 and a third dust suction cover 45, wherein one end of the first dust removal sub-pipeline 41 is connected with the dust removal main pipeline 3, and the other end is respectively connected with the first dust suction cover 42 and the second dust suction cover 43, one end of the second dust removal sub-pipeline 44 is connected with the first dust removal sub-pipeline 41, and the other end is connected with the third dust suction cover 45. One end of the first dust removal sub-pipeline 41 is provided with an electric valve 12 connected with the dust removal main pipeline 3. If there is sample preparation in the sample preparation area 1, the electric valve 12 is opened, and if there is no sample preparation, the electric valve 12 can be closed, so as to avoid waste of air volume and save resources.

[0028] The first dust suction cover 42 is arranged on the sample preparation table 7, the second dust suction cover 43 is arranged on the sample grinding table 8, and the second dust suction cover 43 is arranged on the sample grinder 9, the roll crusher 10 and the jaw crusher 11. The first dust suction cover 42 comprises a sealing part 421 and a dust suction part 422 connected with the top end of the sealing part 421.

[0029] Please refer to Figure 3In the embodiment, the sealing part 421 is a box structure, the top end of which is communicated with the dust collection part 422, three sides of the sealing part 421 are sealed, and the remaining one side is opened for operation, so that the dust overflow of the first dust collection cover 42 is avoided to the maximum extent. The dust collection part 422 is a reversed funnel structure, in the embodiment, the structures of the second dust collection cover 43 and the third dust collection cover 45 are same as that of the first dust collection cover 42, and details are not repeated here.

[0030] Please refer to Figure 4 The filter bag 6 comprises an inner bag body 61 and an outer bag body 62 sleeved on the outer circumferential side of the inner bag body 61, the top ends of the inner bag body 61 and the outer bag body 62 are sealingly connected, the top end of the inner bag body 61 is a bag opening for air flow outflow, an isolation cavity 63 is formed between the inner bag body 61 and the outer bag body 62, so as to avoid the decline of the filtering effect due to the damage of the inner bag body 61 or the outer bag body 62. The inner bag body 61 and the bag body of the inner bag body 61 are both filter screen structures with filter holes less than 0.1 millimeter, so as to achieve the purpose of purifying dust.

[0031] The working principle of the dust removal system of the raw material sample preparation room is as follows: during dust removal, the dust removal main machine 2 is opened, the wind power of the dust removal main machine 2 is utilized to form negative pressure in the first dust collection cover 42, the second dust collection cover 43 and the third dust collection cover 45, the dust is collected into the dust removal main pipeline 3 through the first dust removal branch pipeline 41 and the second dust removal branch pipeline 44, the collected dust is further collected into the dust removal main machine 2 through the dust removal main pipeline 3, the dust is filtered by the outer bag body 62 and the inner bag body 61 of the filter bag 6 in turn and then discharged from the bag opening of the inner bag body 61, and the filtered dust is collected through a dust hopper (not shown in the figure) and uniformly recycled and treated.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A raw material sample preparation chamber dust removal system, characterized by: The application relates to a sample preparation room and a dust removal device arranged on the top of the sample preparation room, wherein the sample preparation room comprises a plurality of sample preparation areas (1) arranged adjacently or at intervals; the dust removal device comprises a dust removal main machine (2), a dust removal main pipeline (3), dust removal sub-units (4) and a chimney (5); the dust removal main machine (2) is installed outside the sample preparation room; one end of the dust removal main pipeline (3) is connected with the dust removal main machine (2), and the other end is connected with the dust removal sub-units (4) arranged in the plurality of sample preparation areas (1) respectively; the dust removal main machine (2) is connected with the chimney (5) at one end of the dust removal main pipeline (3); the dust removal main machine (2) is provided with a filter bag (6); the air inlet of the filter bag (6) is connected with the air outlet of the dust removal main pipeline (3); and the air outlet of the filter bag (6) is connected with the air inlet of the chimney (5).

2. The raw and auxiliary material sample preparation chamber dust removal system according to claim 1, characterized in that: The sample preparation area (1) is oppositely provided with a sample preparation table (7) and a sample grinding table (8); and a sample grinder (9), a pair of roller crushers (10) and jaw crushers (11) are sequentially arranged on the side of the sample preparation table (7).

3. The raw and auxiliary material sample preparation chamber dust removal system according to claim 2, characterized in that: Each dust removal sub-unit (4) comprises a first dust removal sub-pipeline (41), a first dust removal cover (42), a second dust removal cover (43), a second dust removal sub-pipeline (44) and a third dust removal cover (45); one end of the first dust removal sub-pipeline (41) is connected with the dust removal main pipeline (3), and the other end is respectively connected with the first dust removal cover (42) and the second dust removal cover (43); one end of the second dust removal sub-pipeline (44) is connected with the first dust removal sub-pipeline, and the other end is connected with the third dust removal cover (45).

4. The raw and auxiliary material sample preparation chamber dust removal system according to claim 3, characterized in that: The first dust removal sub-pipeline (41) is provided with an electric valve (12) at one end connected with the dust removal main pipeline (3).

5. The raw and auxiliary material sample preparation chamber dust removal system according to claim 3, characterized in that: The first dust removal cover (42) is arranged on the sample preparation table (7), the second dust removal cover (43) is arranged on the sample grinding table (8), and the second dust removal cover (43) is arranged on the sample grinder (9), the pair of roller crushers (10) and the jaw crushers (11).

6. The raw and auxiliary material sample preparation chamber dust removal system according to claim 5, characterized in that: The first dust removal cover (42) comprises a sealing part (421) and a dust removal part (422) connected with the top end of the sealing part (421).

7. The raw and auxiliary material sample preparation chamber dust removal system according to claim 6, characterized in that: The sealing part (421) is a box structure, the top end of the sealing part (421) is communicated with the dust removal part (422), three sides of the sealing part (421) are sealed, and the remaining one side is opened for operation.

8. The raw and auxiliary material sample preparation chamber dust removal system according to claim 6, characterized in that: The dust removal part (422) is an inverted funnel structure.

9. The raw and auxiliary material sample preparation chamber dedusting system according to claim 1, characterized in that: The filter bag (6) comprises an inner bag body (61) and an outer bag body (62) sleeved on the outer circumferential side of the inner bag body (61); an isolation cavity (63) is formed between the inner bag body (61) and the outer bag body (62); the top ends of the inner bag body (61) and the outer bag body (62) are sealingly connected; and the top end of the inner bag body (61) is a bag opening for air flow outflow.

10. The raw and auxiliary material sample preparation chamber dedusting system according to claim 9, characterized in that: The inner bag body (61) and the bag body of the inner bag body (61) are both filter screen structures with filter holes less than 0.1 mm.