CN220929446U

CN220929446U - Mine harmful gas ventilation device

Info

Publication number: CN220929446U
Application number: CN202323101837.9U
Authority: CN
Inventors: 刘润年; 马巍; 张文洋; 陶论
Original assignee: Ningxia Qinrui Mining Equipment Co ltd
Current assignee: Ningxia Qinrui Mining Equipment Co ltd
Priority date: 2023-11-17
Filing date: 2023-11-17
Publication date: 2024-05-10
Anticipated expiration: 2033-11-17

Abstract

The application discloses a mine harmful gas ventilation device, which belongs to the technical field of ventilation devices and comprises: the air conditioner comprises a ground machine room, wherein a main fan is fixedly arranged at the left side in the ground machine room, an auxiliary fan is fixedly arranged at the right side in the ground machine room, a central control console is fixedly arranged at the middle part in the ground machine room, an air supply mechanism leading to the ground is connected to the output end of the main fan, an air inlet pipeline extending out of the ground machine room is communicated with the input end of the main fan, an exhaust mechanism leading to the ground is connected to the input end of the auxiliary fan, an exhaust pipeline extending out of the ground machine room is communicated with the output end of the auxiliary fan, a data transmission line is electrically connected to the central control console, and the tail end of the data transmission line extends into the ground and is electrically connected with a gas concentration monitoring head at the end part of the data transmission line; the application aims to solve the problems that the ventilation device is difficult to realize high-efficiency air supply and exhaust work in a large-scale space and the fan cannot realize energy conservation and life prolongation through intelligent power adjustment.

Description

Mine harmful gas ventilation device

Technical Field

The application relates to the technical field of ventilation devices, in particular to a mine harmful gas ventilation device.

Background

Mine ventilation refers to the input of fresh air into the mine, increasing the oxygen concentration to remove toxic, harmful gases and dust from the mine. The basic tasks of mine ventilation are: enough fresh air is supplied underground, so that the requirement of personnel on oxygen is met; the underground harmful gas and dust are diluted, so that the safe production is ensured; and the underground climate is regulated, and a good working environment is created. In order to distribute the down-hole wind flow along a given route, it is necessary to construct a structure for guiding and controlling the wind flow, that is, a ventilation facility, in some roadways, which is divided into a facility for guiding the wind flow and a facility for blocking the wind flow.

In the published patent document with the publication number of CN218407502U, a mine harmful gas ventilation device is provided, the structure group of the mine harmful gas ventilation device comprises a box body, a storage battery is fixedly connected to the middle part of the left side of the lower end face of the box body, a ventilation mechanism is arranged on the right side of the box body, a solar panel is fixedly connected to the upper end face of the box body, components in the ventilation mechanism can suck air from the outside, the air is filtered and cooled and then fed into a mine, fresh air is also conveyed while the temperature in the well is reduced, construction of workers is facilitated, in addition, components for extracting methane gas are also arranged in the ventilation mechanism, and the components for extracting methane are arranged at the upper end of the components for conveying the air by utilizing the characteristic that the density of methane is smaller than that of the air, so that the methane gas in the mine is extracted while the air is not influenced, and the possibility of explosion of the methane gas in the mine is reduced.

However, the distance between the air outlet and the air outlet in the device is relatively short, so that the flow of fresh air in the mine space is not facilitated, the circulation of air can be formed only in the local space, the input of fresh air and the discharge of waste gas can not be realized in the large-area space, the device can not intelligently adjust the power of the fan according to the concentration of harmful gas in the mine, and the fan can generally only operate with relatively large fixed power in order to ensure the air supply efficiency, so that the energy conservation and the service life prolongation of the fan are not facilitated, and therefore, the mine harmful gas ventilation device is provided for solving the problems.

Disclosure of utility model

Aiming at the defects of the prior art, the application provides a mine harmful gas ventilation device, which overcomes the defects of the prior art and aims at solving the problems that the ventilation device is difficult to realize high-efficiency air supply and exhaust work in a large-scale space and a fan cannot realize energy conservation and life prolongation through intelligent power adjustment.

In order to achieve the above purpose, the present application provides the following technical solutions:

The utility model provides a mine harmful gas ventilation unit, includes the ground computer lab, left side position fixing is provided with main fan in the ground computer lab, right side position fixing is provided with the auxiliary fan in the ground computer lab, middle part fixedly is provided with central control cabinet in the ground computer lab, main fan output is connected with the air supply mechanism who leads to underground, main fan input intercommunication has the air inlet pipeline who stretches out the ground computer lab, auxiliary fan input is connected with the exhaust mechanism who leads to underground, auxiliary fan output intercommunication has the exhaust pipeline who stretches out the ground computer lab, electric connection has the data transmission line on the central control cabinet, the data transmission line end stretches into underground and has gas concentration monitoring head at its tip electric connection.

Through adopting above-mentioned technical scheme, can accomplish the work of the air supply of in the mine on a large scale with the air supply mechanism and the exhaust mechanism of opposite direction setting, fresh gas is discharged from air supply mechanism and is flowed to exhaust mechanism, exhaust mechanism is taken out the waste gas in with the mine and is produced the appeal to fresh gas simultaneously, fresh gas flows through the space between the two under the effect of both and carries waste gas to enter into exhaust mechanism and discharge thereupon, thereby realize the in-mine on a large scale gas circulation, ensure to be full of fresh air constantly in the mine, in addition gas concentration monitor head can real-time supervision in the mine harmful substance concentration, when its concentration is higher, central control panel can control main fan and auxiliary fan increase power, reduce harmful substance concentration through the mode that improves the gas flow rate in the well, when harmful substance concentration is extremely low, central control panel can control main fan and auxiliary fan reduce power, thereby realize safety and energy-conservation compromise.

As a preferable technical scheme of the application, the air supply mechanism comprises a main air supply pipe, a plurality of side air outlets are formed in the side face of the tail section of the main air supply pipe, a fresh air pipe is communicated with the side air outlets, and the tail end part of the fresh air pipe is connected with an air outlet port.

Through adopting above-mentioned technical scheme, can divide into a plurality of strands of fresh air that carry and gush out from different air-out ports, and then make each altitude all have fresh air to flow through in vertical space, reduce the dead angle of air current flow path.

As a preferable technical scheme of the application, the air outlet port comprises a main body shell, wherein a lining bent plate is fixedly arranged in the main body shell, a plurality of groups of guide plates are rotatably arranged in the front port part of the main body shell, connecting rotating shafts extending into side plates of the main body shell are fixedly arranged on two sides of each guide plate, and the connecting rotating shafts are in damping rotation connection with the main body shell.

Through adopting above-mentioned technical scheme, can shunt fresh air through the guide plate through one step for the fresh air that gushes distributes more evenly in vertical direction, or makes fresh air flow to a certain region comparatively concentratedly through the regulation of guide plate, makes it satisfy more user demands.

As a preferable technical scheme of the application, the exhaust mechanism comprises a main exhaust pipe, a plurality of side air inlets are formed in the side face of the tail section of the main exhaust pipe, exhaust pipes are communicated with the side air inlets, and air inlet ports are connected to the tail end parts of the exhaust pipes.

Through adopting above-mentioned technical scheme, can carry out the suction of waste gas and discharge work on different heights, and then make in vertical space every height all not have the waste gas residue of great scope, reduce the dead angle of air current flow path.

As a preferable technical scheme of the application, the end part of the air inlet pipeline is communicated with a filtering port, and the left and right sides of the bottoms of the front end and the rear end of the filtering port are fixedly provided with supporting frames.

By adopting the technical scheme, the filter port can filter the sucked fresh air, and impurities in the fresh air can be filtered.

As a preferable technical scheme of the application, the filtering port comprises a horn-shaped structural shell, a metal isolation net is fixedly arranged in the front end port of the structural shell, a filtering net plate is fixedly arranged behind the metal isolation net, an active carbon layer is fixedly arranged behind the filtering net plate, and the metal isolation net, the filtering net plate, the active carbon layer and the structural shell are detachably connected through a buckle structure.

Through adopting above-mentioned technical scheme, wherein metal isolation net can prevent that outside foreign matter from entering into main fan along with the air current and causing the harm to it, and the filter screen board can be preliminary filter the blocking to big granule dust etc. in the fresh air, and the active carbon layer then can adsorb the partial harmful substance in the fresh air for send into the fresh air quality in the mine higher.

As a preferable technical scheme of the application, the central control console is electrically connected with the main blower and the auxiliary blower through connecting cables respectively, and the central control console, the main blower and the auxiliary blower are electrically connected with external power supply equipment through cables.

By adopting the technical scheme, the essential conditions are provided for the central control console to control the main fan and the auxiliary fan, and meanwhile, the electrical connection between the main fan, the auxiliary fan and the external power supply equipment also provides the essential conditions for the normal operation of the main fan, the auxiliary fan and the external power supply equipment.

The application has the beneficial effects that: the air supply mechanism and the exhaust mechanism are oppositely arranged to complete the large-range air supply and exhaust work in the mine, wherein the air supply mechanism continuously blows fresh air, the exhaust mechanism continuously extracts the air, and the fresh air flows through the space between the air supply mechanism and the exhaust mechanism under the action of the air supply mechanism and the exhaust mechanism and carries exhaust gas to be exhausted, so that the large-range air circulation in the mine is realized, and the fresh air is ensured to be filled in the mine all the time; in addition, the gas concentration monitoring head can monitor harmful substance concentration in the mine in real time, when the concentration is higher, the central control console can control the main fan and the auxiliary fan to increase power, the harmful substance concentration is reduced in a mode of improving the gas flow speed in the mine, and when the harmful substance concentration is extremely low, the central control console can control the main fan and the auxiliary fan to reduce power, so that both safety and energy conservation are realized.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a schematic diagram of an air supply mechanism according to the present application;

FIG. 3 is a schematic view of an air outlet port according to the present application;

FIG. 4 is a schematic diagram of an exhaust mechanism according to the present application;

fig. 5 is a schematic diagram of a filter port according to the present application.

In the figure: 1. a ground machine room; 2. a main fan; 21. an air inlet pipeline; 3. an auxiliary fan; 31. an exhaust duct; 4. a central console; 41. a data transmission line; 5. an air supply mechanism; 51. a main air supply pipe; 52. a side air outlet; 53. a new air pipe; 54. an air outlet port; 541. a main body housing; 542. lining a curved plate; 543. a deflector; 544. the connecting rotating shaft; 6. an exhaust mechanism; 61. a main exhaust pipe; 62. a side inlet; 63. an exhaust pipe; 64. an air inlet port; 7. a gas concentration monitoring head; 8. a filter port; 81. a structural shell; 82. a metal isolation net; 83. a filter screen plate; 84. an activated carbon layer; 85. a support frame; 9. and (5) connecting a cable.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1, a mine harmful gas ventilation device comprises a ground machine room 1, a main fan 2 is fixedly arranged at the left side position in the ground machine room 1, an auxiliary fan 3 is fixedly arranged at the right side position in the ground machine room 1, a central control console 4 is fixedly arranged at the middle part in the ground machine room 1, the output end of the main fan 2 is connected with an air supply mechanism 5 which is led to the ground, the input end of the main fan 2 is communicated with an air inlet pipeline 21 which extends out of the ground machine room 1, the input end of the auxiliary fan 3 is connected with an exhaust mechanism 6 which is led to the ground, the output end of the auxiliary fan 3 is communicated with an exhaust pipeline 31 which extends out of the ground machine room 1, a data transmission line 41 is electrically connected to the central control console 4, the tail end of the data transmission line 41 extends into the ground and is electrically connected with a gas concentration monitoring head 7 at the end part of the data transmission line, by adopting the technical scheme, the air supply mechanism 5 and the exhaust mechanism 6 which are oppositely arranged, the working of large-scale air supply and exhaust in the mine is completed, fresh gas is discharged from the air supply mechanism 5 and flows to the exhaust mechanism 6, the exhaust mechanism 6 extracts waste gas in the mine and simultaneously generates attractive force for the fresh gas, the fresh gas flows through the space between the fresh gas and the exhaust mechanism 6 under the action of the fresh gas and carries the waste gas to enter the exhaust mechanism 6 for discharging, so that large-scale gas circulation in the mine is realized, the mine is ensured to be filled with fresh air all the time, in addition, the gas concentration monitoring head 7 can monitor the concentration of harmful substances in the mine in real time, when the concentration is higher, the central control desk 4 can control the main fan 2 and the auxiliary fan 3 to increase power, the concentration of the harmful substances is reduced in a mode of improving the flow speed of the gas in the mine, when the concentration of the harmful substances is extremely low, the central control desk 4 can control the main fan 2 and the auxiliary fan 3 to reduce power, thereby realizing both safety and energy saving.

Referring to fig. 2, the air supply mechanism 5 includes a main air supply pipe 51, a plurality of side air outlets 52 are formed in the side surface of the end section of the main air supply pipe 51, a fresh air pipe 53 is communicated with the side air outlets 52, and the end of the fresh air pipe 53 is connected with an air outlet port 54.

Referring to fig. 3, the air outlet 54 includes a main body casing 541, a liner curved plate 542 is fixedly disposed in the main body casing 541, a plurality of groups of guide plates 543 are rotatably disposed in a front port portion of the main body casing 541, connecting rotating shafts 544 extending into side plates of the main body casing 541 are fixedly disposed at two sides of the guide plates 543, the connecting rotating shafts 544 are in damping rotation connection with the main body casing 541, fresh air can be split through one step by the guide plates 543 in the above structural form, so that the gushed fresh air is distributed more uniformly in the vertical direction, and fresh air can flow to a certain area more intensively by adjusting the guide plates 543 manually, so that the fresh air has more use requirements.

Referring to fig. 4, the exhaust mechanism 6 includes a main exhaust pipe 61, a plurality of side air inlets 62 are formed on the side surface of the end section of the main exhaust pipe 61, an exhaust pipe 63 is communicated with the side air inlets 62, and the end part of the tail end of the exhaust pipe 63 is connected with an air inlet 64.

Referring to fig. 1, the end of the air intake pipe 21 is connected with a filter port 8, and the left and right sides of the bottom of the front and rear ends of the filter port 8 are fixedly provided with a supporting frame 85.

Referring to fig. 5, the filter port 8 includes a horn-shaped structural housing 81, a metal isolation net 82 is fixedly disposed in a front end port of the structural housing 81, a filter screen plate 83 is fixedly disposed behind the metal isolation net 82, an activated carbon layer 84 is fixedly disposed behind the filter screen plate 83, and a plurality of through holes are uniformly formed in the surface of the activated carbon layer 84. All realize detachable connection through buckle structure between metal isolation net 82, filter plate 83, active carbon layer 84 and the structure shell 81, through adopting above-mentioned technical scheme, wherein metal isolation net 82 can prevent that outside foreign matter from entering into main fan 2 along with the air current and causing the harm to it, and filter plate 83 can filter the blocking to big granule dust etc. in the fresh air preliminarily, and active carbon layer 84 then can adsorb the partial harmful substance in the fresh air for send into the fresh air quality in the mine higher.

Referring to fig. 1, the central console 4 is electrically connected with the main blower 2 and the auxiliary blower 3 through connection cables 9, and the central console 4, the main blower 2 and the auxiliary blower 3 are electrically connected with external power supply equipment through cables.

Working principle: the air supply mechanism 5 continuously blows in fresh air, the exhaust mechanism 6 continuously extracts out the air, and the fresh air flows through the space between the air supply mechanism and the exhaust mechanism under the action of the air supply mechanism and the exhaust mechanism and carries waste gas to be discharged, so that the air circulation in a large range in a mine is realized, and the condition that the fresh air is filled in the mine all the time is ensured; in particular, the fresh air is delivered in several streams from different air outlet ports 54, so that fresh air flows through each height in the vertical space, dead angles of the airflow flow path are reduced, and waste gas at different heights is sucked and discharged through different air inlet ports 64, so that no waste gas residue in a larger range exists at each height in the vertical space; in addition, the gas concentration monitoring head 7 can monitor harmful substance concentration in the mine in real time, when the concentration is higher, the central control console 4 can control the main fan 2 and the auxiliary fan 3 to increase power, the harmful substance concentration is reduced in a mode of improving the gas flow speed in the mine, and when the harmful substance concentration is extremely low, the central control console 4 can control the main fan 2 and the auxiliary fan 3 to reduce power, so that both safety and energy conservation are realized.

The foregoing description is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present application has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a mine harmful gas ventilation unit, its characterized in that, including ground computer lab (1), left side fixed position is provided with main fan (2) in ground computer lab (1), right side fixed position is provided with auxiliary fan (3) in ground computer lab (1), the fixed central control cabinet (4) that is provided with in middle part in ground computer lab (1), main fan (2) output is connected with air supply mechanism (5) that lead to underground, main fan (2) input intercommunication has air inlet pipeline (21) that stretch out ground computer lab (1), auxiliary fan (3) input is connected with exhaust mechanism (6) that lead to underground, auxiliary fan (3) output intercommunication has exhaust pipeline (31) that stretch out ground computer lab (1), electric connection has data transmission line (41) on central control cabinet (4), data transmission line (41) terminal stretch into underground and have gas concentration prison gauge head (7) at its tip electric connection.

2. The mine harmful gas ventilation device according to claim 1, wherein the air supply mechanism (5) comprises a main air supply pipe (51), a plurality of side air outlets (52) are formed in the side face of the tail section of the main air supply pipe (51), a new air pipe (53) is communicated with the side air outlets (52), and an air outlet port (54) is connected to the tail end of the new air pipe (53).

3. The mine harmful gas ventilation device according to claim 2, wherein the air outlet port (54) comprises a main body housing (541), an inner lining bent plate (542) is fixedly arranged in the main body housing (541), a plurality of groups of guide plates (543) are rotatably arranged in the front port portion of the main body housing (541), connecting rotating shafts (544) extending into side plates of the main body housing (541) are fixedly arranged on two sides of the guide plates (543), and the connecting rotating shafts (544) are in damping rotation connection with the main body housing (541).

4. The mine harmful gas ventilation device according to claim 1, wherein the exhaust mechanism (6) comprises a main exhaust pipe (61), a plurality of side air inlets (62) are formed in the side face of the tail section of the main exhaust pipe (61), an exhaust pipe (63) is communicated with the side air inlets (62), and an air inlet port (64) is connected to the tail end of the exhaust pipe (63).

5. The mine harmful gas ventilation device according to claim 1, wherein the end part of the air inlet pipeline (21) is communicated with a filtering port (8), and supporting frames (85) are fixedly arranged on the left side and the right side of the bottom of the front end and the rear end of the filtering port (8).

6. The mine harmful gas ventilation device according to claim 5, wherein the filtering port (8) comprises a horn-shaped structural shell (81), a metal isolation net (82) is fixedly arranged in a front end port of the structural shell (81), a filtering net plate (83) is fixedly arranged behind the metal isolation net (82), an active carbon layer (84) is fixedly arranged behind the filtering net plate (83), and detachable connection is achieved among the metal isolation net (82), the filtering net plate (83), the active carbon layer (84) and the structural shell (81) through a buckle structure.

7. The mine harmful gas ventilation device according to claim 1, wherein the central control console (4) is electrically connected with the main fan (2) and the auxiliary fan (3) through connecting cables (9), and the central control console (4), the main fan (2) and the auxiliary fan (3) are electrically connected with external power supply equipment through cables.