Ventilation equipment for one-ventilation and three-proofing engineering

Abstract

The utility model relates to the technical field of ventilation equipment, in particular to ventilation equipment for one-ventilation and three-proofing engineering, which comprises a pipeline body, a mounting plate, an impurity filtering mechanism, a gas filtering mechanism and a guide rod, an insertion hole for mounting the impurity filtering mechanism is formed in the mounting plate, and an arc-shaped hole for the guide rod to slide is further formed in the mounting plate. In the early stage of mine excavation, a large number of coarse particle pollutants in air are intercepted through the impurity filtering mechanism, and in the later stage of excavation, the gas filtering mechanism can be driven to deflect by unscrewing a fixing nut and shifting a guide rod to slide along an arc-shaped hole, so that the gas filtering mechanism is quickly erected in a pipeline body to play a role, and the gas filtering effect is improved. And the gas filtering mechanism is more rapid and convenient to use and operate, so that different filter screens are used in a staged and targeted manner, the filtering efficiency of the whole ventilation system can be improved, and the safety of an underground operation environment and the air quality are better guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to ventilation equipment technical field, concretely relates to a ventilation equipment for one ventilation and three prevention engineering. BACKGROUND

[0002] One ventilation and three prevention is the abbreviation of the technical management work of mine ventilation, gas prevention and control, coal dust prevention and control, fire prevention and extinguishing in the safety production of coal mine. In the initial stage of mine excavation, the dust problem is often more prominent, for example, a large amount of dust is generated in dry drilling, and the gas emission amount is only significantly increased when approaching or exposing the gas occurrence area in the excavation to a certain stage, which poses a great threat to safety.

[0003] If the dust filter screen and the activated carbon filter screen (for filtering gas) are simultaneously installed in advance in the ventilation equipment pipeline in the prior art, the impurities will more or less enter the activated carbon filter screen in the initial stage, causing the blockage or pollution of the activated carbon filter screen, and the installation workload of the activated carbon filter screen is large in the later stage, thereby affecting the mine excavation efficiency. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a ventilation equipment for one ventilation and three prevention engineering which can conveniently and quickly install and use the activated carbon filter screen according to the needs, so as to solve the technical problems in the background art.

[0005] The utility model realizes the following technical scheme:

[0006] A ventilation equipment for one ventilation and three prevention engineering, comprising a pipeline body, a mounting hole is formed in the side of the pipeline body, a mounting plate is fixedly installed in the mounting hole, a plug hole is formed in the outward side of the mounting plate in a penetrating mode, and an impurity filtering mechanism for filtering the air entering the pipeline body is fixedly installed in the plug hole;

[0007] A gas filtering mechanism for adsorbing gas is installed in the pipeline body, an arc-shaped hole is formed in the outward side of the mounting plate in a penetrating mode, a guide rod is fixedly connected to the upper end of the gas filtering mechanism, and the other end of the guide rod extends out of the mounting plate through the arc-shaped hole;

[0008] The lower end of the gas filtering mechanism is rotationally connected to the mounting plate, and the gas filtering mechanism can be rotated by ninety degrees relative to the impurity filtering mechanism.

[0009] Further, a recess is formed in the side of the pipeline body close to the mounting plate, a rotating disc is rotatably installed in the recess, a through hole is formed in the surface of the rotating disc in a penetrating mode, and the guide rod is arranged in the through hole.

[0010] Further, the center of the rotating disc and the mounting plate are respectively provided with a connecting hole, a fixing bolt is arranged in the two connecting holes, the threaded end of the fixing bolt is in threaded connection with the gas filtering mechanism, and the rotating center of the gas filtering mechanism coincides with the rotating center of the rotating disc.

[0011] Further, the end of the guide rod extending out of the mounting plate is externally threaded, and a fixing nut is in threaded connection with the externally threaded end.

[0012] Further, the inner wall of the pipeline body is fixedly provided with a check ring, and the check ring is located on the side, away from the impurity filtering mechanism, of the gas filtering mechanism.

[0013] Further, the two ends of the pipeline body are an air inlet end and an air outlet end respectively, the impurity filtering mechanism is mounted in the air inlet end, and the gas filtering mechanism is located on the side, away from the air inlet end, of the impurity filtering mechanism.

[0014] The air outlet end is provided with a partition plate, and the partition plate is fixedly provided with a fan.

[0015] The utility model discloses the beneficial effect lies in:

[0016] 1. In the early stage of mine excavation, the fan and the pipeline body cooperate to exchange air, and the impurity filtering mechanism intercepts a large number of coarse particle pollutants in the air.

[0017] In the later stage of excavation, the fixed nut is loosened, and the guide rod is slid along the arc-shaped hole, so that the gas filtering mechanism is deflected, and the gas filtering mechanism is quickly erected in the pipeline body. The use of the gas filtering mechanism is more rapid and convenient, the impurities and gas in the air are filtered through the two filtering mechanisms, the gas and the remaining fine dust can be effectively adsorbed, different filter screens are used in different stages and targeted, the filtering efficiency of the whole ventilation system is improved, and the safety of the underground operation environment and the air quality are better guaranteed.

[0018] 2. When the two filtering mechanisms are used at the same time, the ordinary filter screen filters the large particle impurities first (or only the impurity filtering mechanism is used, and the gas filtering mechanism can be horizontally stored), so that the impurities do not directly enter the activated carbon filter screen, the activated carbon filter screen is not blocked and polluted, the service life of the activated carbon filter screen is prolonged, and the replacement cost and maintenance workload of the filter screen are reduced. DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model three-proofing engineering ventilation equipment.

[0020] Figure 2 It is a connection schematic view of the blocking ring and the pipeline body of the ventilation equipment for one-pass three-proofing engineering.

[0021] Figure 3 It is a connection schematic view of the gas filtering mechanism and the mounting plate of the ventilation equipment for one-pass three-proofing engineering.

[0022] Figure 4 It is a connection schematic view of the gas filtering mechanism and the rotating disc of the ventilation equipment for one-pass three-proofing engineering.

[0023] Figure 5 It is a structure schematic view of the impurity filtering mechanism of the ventilation equipment for one-pass three-proofing engineering.

[0024] Figure 6 It is a bottom view of the ventilation equipment for one-pass three-proofing engineering.

[0025] In the figure: 1-pipeline body, 2-mounting hole, 3-mounting plate, 4-jack, 5-impurity filtering mechanism, 6-arc-shaped hole, 7-guide rod, 8-gas filtering mechanism, 9-groove, 10-rotating disc, 11-through hole, 12-connection hole, 13-fixing bolt, 14-external thread, 15-fixing nut, 16-blocking ring, 17-air inlet end, 18-air outlet end, 19-baffle, 20-fan. DETAILED DESCRIPTION

[0026] The typical embodiments embodying the features and advantages of the present application will be described in detail in the following description. It should be understood that the present application can have various changes on different embodiments, which all do not deviate from the scope of the present application, and the description and drawings in the essence are used as the description, not to limit the present application.

[0027] In the description of the present application, the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the structure indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0028] Please refer to Figure 1 and Figure 6The utility model provides a technical scheme: a ventilation equipment for one pass three anti -engineering, including pipeline body 1, the both ends of pipeline body 1 are air inlet end 17 and air outlet end 18 respectively, air inlet end 17 and air outlet end 18 can be connected to pipe, the partition of air outlet end 18 is provided with baffle 19, baffle 19 has mounting hole, solidly be equipped with fan 20 in mounting hole, through the pipeline body 1 and fan 20 common composition one most basic ventilation equipment, as other relevant ventilation equipment normal operation's structure is not the emphasis of this application file, can adopt prior art, here do not make too much superfluous words.

[0029] Please refer to Figure 1 、 Figure 3 And Figure 5 , the side of pipeline body 1 is provided with mounting hole 2, mounting plate 3 is inserted and fixed by screw and is installed in mounting hole 2, the side of mounting plate 3 outwardly is provided with plug hole 4 in the mode of penetrating, impurity filtering mechanism 5 for filtering the air entering pipeline body 1 is fixedly inserted in plug hole 4 by screw, impurity filtering mechanism 5 includes the frame body of screw connection with mounting plate 3 and the filter screen in the frame body, the filter screen adopts the dust filter screen with smaller aperture in prior art to filter the impurities such as larger particle dust, coal dust and the like generated in the process of coal mining, thereby playing the role of preliminary filtering.

[0030] Please refer to Figure 1 、 Figure 3 And Figure 4 , gas filtering mechanism 8 for adsorbing gas is installed in pipeline body 1, gas filtering mechanism 8 includes frame body and activated carbon filter screen in the frame body, the side of mounting plate 3 outwardly is provided with arc-shaped hole 6 in the mode of penetrating, the upper end of the frame body of gas filtering mechanism 8 is fixedly connected with guide rod 7, the other end of guide rod 7 passes through arc-shaped hole 6 and extends outside mounting plate 3, the end of guide rod 7 extending outside mounting plate 3 has external thread 14, fixed nut 15 is screw-connected at external thread 14, the position of gas filtering mechanism 8 can be fixed by the cooperation of fixed nut 15 and guide rod 7.

[0031] The lower end of the frame body of gas filtering mechanism 8 is rotatably connected with mounting plate 3, by unscrewing fixed nut 15 and prying guide rod 7 along arc-shaped hole 6, gas filtering mechanism 8 can be deflected, gas filtering mechanism 8 can rotate relatively ninety degrees relative to impurity filtering mechanism 5, thereby being parallel or perpendicular to impurity filtering mechanism 5 in space.

[0032] When the frame of the impurity filtering mechanism 5 is parallel to the frame of the gas filtering mechanism 8, the impurities and gas in the air can be filtered simultaneously; when the gas filtering mechanism 8 is rotated to make the frame of the gas filtering mechanism 8 vertical to the frame of the impurity filtering mechanism 5, only the impurity filtering mechanism 5 works to filter, so that the filtering mode with corresponding function is selected and switched in different stages of mine exploitation.

[0033] Please refer to Figures 1 to 4 , the pipeline body 1 is provided with a recess 9 on the side close to the mounting plate 3, a rotating disc 10 is rotatably installed in the recess 9, a through hole 11 is formed through the surface of the rotating disc 10, and the guide rod 7 is arranged in the through hole 11; when the gas filtering mechanism 8 is deflected, the guide rod 7 drives the rotating disc 10 to rotate synchronously, the rotating disc 10 shields the arc-shaped hole 6 to avoid air leakage, so that the ventilation equipment can work normally, and a rubber layer can be arranged on the surface of the rotating disc 10 to further improve the sealing performance of the connection part and avoid air leakage.

[0034] Please refer to Figure 1 and Figure 4 , a connecting hole 12 is formed through the center of the rotating disc 10 and the mounting plate 3, a fixing bolt 13 is arranged in the two connecting holes 12, the threaded end of the fixing bolt 13 is screwed with the frame of the gas filtering mechanism 8, and the fixing bolt 13 is not locked, so that the gas filtering mechanism 8 can drive the rotating disc 10 to rotate synchronously through the guide rod 7, the rotation center of the gas filtering mechanism 8 coincides with the rotation center of the rotating disc 10, and the mounting plate 3, the gas filtering mechanism 8 and the rotating disc 10 can be separated by disassembling the fixing bolt 13, the fixing nut 15 and the mounting plate 3, so that the gas filtering mechanism 8 can be replaced;

[0035] The impurity filtering mechanism 5 only needs to be disassembled from the screw on the frame to be replaced.

[0036] Please refer to Figure 2 , a retaining ring 16 is fixed on the inner wall of the pipeline body 1, the retaining ring 16 is located on the side, away from the impurity filtering mechanism 5, of the gas filtering mechanism 8, and the retaining ring 16 is used for blocking the periphery of the frame of the filtering mechanism to ensure that the air flows through the filter screen.

[0037] The working principle of the utility model is as follows: in the early stage of mine excavation, the fan 20 and the pipeline body 1 cooperate to exchange air, and the impurity filtering mechanism 5 intercepts a large amount of coarse particle pollutants in the air.

[0038] When the mine is excavated to a certain stage and approaches or exposes the gas occurrence area, the gas emission amount relatively increases, the fixed nut 15 is loosened, the guide rod 7 is pushed to slide along the arc-shaped hole 6, the gas filter mechanism 8 is deflected, the gas filter mechanism 8 is quickly erected in the pipeline body 1 to work, when the frame of the impurity filter mechanism 5 is parallel to the frame of the gas filter mechanism 8, the impurities and gas in the air can be filtered at the same time, at this time, the adsorption performance of the activated carbon filter screen can effectively adsorb the gas and the remaining fine dust, thus the different filter screens are used in stages and targetedly, the filtering efficiency of the whole ventilation system can be improved, and the safety of the underground operation environment and the air quality can be better guaranteed.

[0039] Secondly, when the two filter mechanisms are used at the same time, the ordinary filter screen first filters the large-particle impurities (or only the impurity filter mechanism 5 is used, and the gas filter mechanism 8 can be horizontally stored), so that the impurities are prevented from directly entering the activated carbon filter screen to block and contaminate the activated carbon filter screen, the service life of the activated carbon filter screen can be prolonged, and the replacement cost and the maintenance workload of the filter screen are reduced.

[0040] Finally, it is explained that the above embodiment is only a preferred embodiment of the utility model, cannot be used to limit the range of the utility model protection, any non-substantial change and replacement of the utility model on the basis of the utility model belongs to the range of the utility model claimed protection.

Claims

1. A ventilation device for a three-way protection construction, comprising a duct body (1), characterized in that: The side of the pipeline body (1) is provided with a mounting hole (2), a mounting plate (3) is fixedly installed in the mounting hole (2), a plug hole (4) is formed through the outer side of the mounting plate (3), and an impurity filtering mechanism (5) for filtering air entering the pipeline body (1) is fixedly installed in the plug hole (4). A gas filtering mechanism (8) for adsorbing gas is installed in the pipeline body (1), an arc-shaped hole (6) is formed through the outer side of the mounting plate (3), the upper end of the gas filtering mechanism (8) is fixedly connected with a guide rod (7), and the other end of the guide rod (7) extends out of the mounting plate (3) through the arc-shaped hole (6). The lower end of the gas filtering mechanism (8) is rotationally connected with the mounting plate (3), and the gas filtering mechanism (8) can rotate by 90 degrees relative to the impurity filtering mechanism (5).

2. The ventilation equipment for a waterproof, dustproof and fireproof construction according to claim 1, characterized by: A recess (9) is formed in the side of the pipeline body (1) close to the mounting plate (3), a rotating disc (10) is rotatably installed in the recess (9), a through hole (11) is formed through the surface of the rotating disc (10), and the guide rod (7) is arranged in the through hole (11).

3. The ventilation equipment for a waterproof, dustproof and fireproof construction according to claim 2, characterized by: A connecting hole (12) is formed through the center of the rotating disc (10) and the mounting plate (3) respectively, a fixing bolt (13) is arranged in the two connecting holes (12) in common, the threaded end of the fixing bolt (13) is threadedly connected with the gas filtering mechanism (8), and the rotation center of the gas filtering mechanism (8) coincides with the rotation center of the rotating disc (10).

4. The ventilation equipment for a waterproof, dustproof and fireproof construction according to claim 1, characterized by: The end of the guide rod (7) extending out of the mounting plate (3) is provided with an external thread (14), and a fixing nut (15) is threadedly connected with the external thread (14).

5. The ventilation equipment for a construction project according to any one of claims 1 to 4, characterized in that: A retaining ring (16) is fixed on the inner wall of the pipeline body (1), and the retaining ring (16) is located on the side of the gas filtering mechanism (8) away from the impurity filtering mechanism (5).

6. The ventilation equipment for a waterproof, dustproof and fireproof construction according to claim 1, characterized by: The two ends of the pipeline body (1) are an air inlet end (17) and an air outlet end (18) respectively, the impurity filtering mechanism (5) is installed in the air inlet end (17), and the gas filtering mechanism (8) is located on the side of the impurity filtering mechanism (5) away from the opening of the air inlet end (17); A partition plate (19) is arranged in the air outlet end (18), and a fan (20) is fixed on the partition plate (19).

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