CN221144495U

CN221144495U - Ventilation mechanism for ore exploitation

Info

Publication number: CN221144495U
Application number: CN202322876077.2U
Authority: CN
Inventors: 陈志伟; 邱锦华; 高德瑞
Original assignee: Fujian Xingwanxiang Construction Group Co ltd
Current assignee: Fujian Xingwanxiang Construction Group Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-06-14
Anticipated expiration: 2033-10-25

Abstract

The utility model discloses a ventilation mechanism for ore exploitation, which comprises a ventilation box and a first filter screen, wherein the first filter screen is fixedly arranged in the ventilation box, dust collection grooves and air blowing grooves are respectively formed above and below the first filter screen, through holes are formed in the top surfaces of the dust collection grooves and the air blowing grooves, moving blocks are fixedly arranged on the bottom surfaces of the dust collection grooves and the air blowing grooves, and screw rods penetrate through the surfaces of the moving blocks. The beneficial effects are that: according to the utility model, the air blowing groove and the dust collecting groove are adopted, and in the cleaning process of the first filter screen, the dust collecting groove and the air blowing groove are not contacted with the first filter screen, so that the abrasion of the first filter screen is avoided, the service life of the first filter screen is prolonged, the cleaning effect is better through back blowing cleaning, the first filter screen is convenient to filter efficiently for a long time, the working efficiency is improved, meanwhile, dust is discharged to the collecting box, workers can clean the dust outside the ventilating box without stopping the ventilating box, the ventilating box can work continuously, and the use convenience is improved.

Description

Ventilation mechanism for ore exploitation

Technical Field

The utility model relates to the technical field of ventilation, in particular to a ventilation mechanism for ore exploitation.

Background

Mines are built in the process of ore mining, are generic names of roadways, chambers, equipment, ground buildings and structures which form an underground coal mine production system, and inclined shafts, galleries and the like in underground mine exploitation are sometimes also called mines, so that ventilation is facilitated during ore mining.

Through retrieving the back discovery, the publication number is CN218971241U, the name is a ventilation mechanism of ore exploitation in the pit, the application has been proposed for the application number is CN201821436341, the name is the problem that the filter screen cleaning effect is not ideal and harmful gas can't adsorb the clearance in colliery ventilation unit's patent exists, through be equipped with dust filter equipment and dust scraping device in the ventilation case, the motor drives the threaded rod and rotates, make the scraping plate can strike off the filterable dust bits on the filter cloth, the effect of clearance dust bits is comparatively ideal, and still not influence subsequent filtration, simultaneously, through being equipped with two filter layers in the ventilation case, can carry out harmful gas's absorption and elimination to the gas of filtering the dust bits, reduce the influence to air quality, but this application is at the during operation, the reciprocating motion of scraping plate can seriously abrade the filter cloth, lead to the problem of wearing and tearing easily when long-term use, influence life, simultaneously, the dust of scraping can fly under the effect of air current, and reattach on the filter cloth surface, the clearance effect is poor, simultaneously, when the dust outlet is in the state of closing, the trouble, go out the dust outlet is difficult to open when the dust outlet, can make the dust clearance body is more convenient for further, the dust clearance need to be made when the dust clearance is more convenient to open, the dust can be more convenient to clean up.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a ventilation mechanism for ore exploitation, which has the advantages of small abrasion, prolonged service life and more convenient use, thereby solving the problems in the background art.

(II) technical scheme

In order to realize the advantages of small abrasion, prolonged service life and more convenient use, the utility model adopts the following specific technical scheme:

The utility model provides a ventilation mechanism of ore exploitation, includes ventilation case and first filter screen, ventilation case inside fixed mounting has first filter screen, and first filter screen top and below are provided with dust absorption groove and blowing groove respectively to dust absorption groove top surface and blowing groove bottom surface all have seted up the thru hole, dust absorption groove bottom surface and blowing groove top surface equal fixed mounting have the movable block, and the movable block surface runs through threaded connection has the screw rod, and the screw rod both ends all run through the ventilation case and rotate with the ventilation case to be connected, ventilation case one side surface fixed mounting has servo motor, and servo motor output and screw rod one end fixed connection, ventilation case inside fixed mounting has the air-blower, and the air-blower output has the ram through second hose and blowing groove through connection, ventilation case opposite side surface fixed mounting has the ram, and ram top surface fixed mounting has vacuum pump and collecting box to collecting box inside fixed mounting has the second filter screen, collecting box one end is through tube and vacuum pump air inlet end through connection, and the collecting box other end is connected with the dust absorption pipe through threaded connection, and the ventilation case both ends run through the ventilation case and are connected with the suction duct through first hose and the ventilation case top surface through-through the air-suction duct, the inside has the suction duct through the high pressure absorption case and the high pressure absorption case through the high pressure absorption case.

Further, the bottom opening of the gas collecting hopper is connected with a pipeline in a penetrating mode, and the pipeline extends into a mine ventilation opening.

Further, the top surface of the adsorption box is hinged with a sealing cover, and the sealing cover is fixedly connected with the adsorption box through a lock catch.

Furthermore, the adsorption box is internally and fixedly provided with a blocking net, and molecular sieves are filled between the blocking nets.

Further, the front vertical face of the collecting box is hinged with a cleaning door, and the cleaning door adopts a sealing door.

Further, the surface of the moving block is connected with a guide rod in a penetrating and sliding manner, two ends of the guide rod are fixedly connected with the inner wall of the ventilation box respectively, and the guide rod is arranged in parallel with the screw rod.

Further, the through holes are densely distributed in a plurality, and the distance between the through holes and the first filter screen is not more than 1cm.

(III) beneficial effects

Compared with the prior art, the utility model provides a ventilation mechanism for ore exploitation, which has the following beneficial effects:

(1) The utility model adopts the blowing groove and the dust collection groove, when the mine ventilation is carried out, the device is arranged at the top opening of the mine ventilation opening, the high-pressure centrifugal fan is started, air in the ventilation box is pumped out through the connecting pipe and the exhaust pipe, the air in the mine flows into the ventilation box along the air collection hopper, is discharged after being filtered by the first filter screen, when the first filter screen is cleaned, the servo motor is synchronously started to drive the screw to rotate, and further drive the blowing groove and the dust collection groove to synchronously move, meanwhile, the blower and the exhaust pump are synchronously started, the blower injects high-pressure air into the blowing groove and blow the air downwards, the air in the first filter screen is reversely blown out, the vacuum pump starts to pump out the air in the collection box, the air in the dust collection groove is pumped out through the dust collection pipe and the first hose, the blown out dust in the ventilation box is sucked by the dust collection groove, the dust is filtered by the first hose and the dust collection pipe, and stays in the collection box after the second filter screen, the first filter screen is completed, the dust collection groove and the dust collection groove are not contacted with the first filter screen in the process, and the dust collection groove is prevented from contacting the first filter screen in the process, the filter screen is prevented from being continuously worn out, the dust collection box is prevented from being cleaned out, the filter screen is convenient to clean out, and the dust is easy to clean out, and the dust is convenient to clean out of the filter box, and the dust is easy to clean out, and has long to clean out and convenient to work and has long service.

(2) According to the utility model, the adsorption box is arranged at the outer side of the ventilation box, the mine air filtered by the first filter screen enters the adsorption box, and the molecular sieve absorbs harmful substances in the air, so that the exhausted air is purified, and when the molecular sieve is saturated, a worker can open the adsorption box to replace the molecular sieve, and the adsorption box arranged at the outer side of the ventilation box is greatly convenient for the worker to replace and maintain, so that the convenience of use is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a ventilation mechanism for ore mining according to the present utility model;

FIG. 2 is a front view of a vent mechanism for ore mining in accordance with the present utility model;

FIG. 3 is an enlarged view of node A of a vent mechanism for ore mining in accordance with the present utility model;

fig. 4 is a schematic view of the external structure of the dust collection tank according to the present utility model.

In the figure:

1. A ventilation box; 2. a first filter screen; 3. a dust collection groove; 4. an air blowing groove; 5. a servo motor; 6. a screw; 7. a guide rod; 8. a dust collection pipe; 9. a cantilever plate; 10. a second filter screen; 11. an exhaust pipe; 12. a vacuum pump; 13. a gas collecting hopper; 14. a moving block; 15. a first hose; 16. a blower; 17. a second hose; 18. an exhaust pipe; 19. an adsorption box; 20. a molecular sieve; 21. a blocking net; 22. a connecting pipe; 23. a high-pressure centrifugal fan; 24. a discharge pipe; 25. a collection box; 26. and a through hole.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, there is provided a ventilation mechanism for ore mining.

The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-4, a ventilation mechanism for ore mining according to an embodiment of the utility model comprises a ventilation box 1 and a first filter screen 2, wherein the first filter screen 2 is fixedly installed in the ventilation box 1, dust collection grooves 3 and air blowing grooves 4 are respectively arranged above and below the first filter screen 2, through holes 26 are respectively formed in the top surface of the dust collection grooves 3 and the bottom surface of the air blowing grooves 4, movable blocks 14 are fixedly installed on the bottom surface of the dust collection grooves 3 and the top surface of the air blowing grooves 4, screws 6 are connected through threads on the surfaces of the movable blocks 14, two ends of the screws 6 penetrate through the ventilation box 1 and are rotatably connected with the ventilation box 1, two ends of the screws 6 are rotatably connected with the ventilation box 1 through sealing bearings, a servo motor 5 is fixedly arranged on one side surface of the ventilation box 1, the output end of the servo motor 5 is fixedly connected with one end of a screw rod 6, the servo motor 5 synchronously operates through a synchronous controller, the ventilation box is of a common control structure, a blower 16 is fixedly arranged in the ventilation box 1, the output end of the blower 16 is in through connection with the blowing groove 4 through a second hose 17, a cantilever plate 9 is fixedly arranged on the other side surface of the ventilation box 1, a vacuum pump 12 and a collecting box 25 are fixedly arranged on the top surface of the cantilever plate 9, a second filter screen 10 is fixedly arranged in the collecting box 25, one end of the collecting box 25 is in through connection with the air inlet end of the vacuum pump 12 through an exhaust pipe 11, the other end of the collecting box 25 is connected with a dust suction pipe 8 in a penetrating way, the dust suction pipe 8 penetrates through the ventilating box 1 and is connected with the dust suction groove 3 in a penetrating way through a first hose 15, a high-pressure centrifugal fan 23 and an adsorption box 19 are fixedly arranged on the top surface of the ventilating box 1, a molecular sieve 20 is contained in the adsorption box 19, the air inlet end of the high-pressure centrifugal fan 23 is connected with one end of the adsorption box 19 in a penetrating way through a connecting pipe 22, the other end of the adsorption box 19 is connected with the top of the ventilating box 1 in a penetrating way through an exhaust pipe 18, the output end of the high-pressure centrifugal fan 23 is connected with a discharge pipe 24 in a penetrating way, the bottom surface of the ventilating box 1 is connected with a gas collecting hopper 13 in a penetrating way, wherein a bottom opening of the gas collecting hopper 13 is connected with a pipeline in a penetrating way, and the pipeline extends into the mine ventilation opening, when the mine ventilation is carried out, the device is arranged at the top opening of the mine ventilation opening, the high-pressure centrifugal fan 23 is started, air in the ventilation box 1 is pumped out through the connecting pipe 22 and the exhaust pipe 18, the air in the mine flows into the ventilation box 1 along the air collecting hopper 13 and is discharged after being filtered by the first filter screen 2, when the first filter screen 2 is cleaned, the servo motor 5 is synchronously started to drive the screw 6 to rotate, and then the air blowing groove 4 and the dust collecting groove 3 are driven to synchronously move, meanwhile, the air blower 16 and the air suction pump are synchronously started, the air blower 16 injects high-pressure air flow into the air blowing groove 4 to blow downwards, and the first filter screen 2 is reversely blown, the vacuum pump 12 starts to pump out air in the collecting box 25, the air in the dust collection groove 3 is pumped out through the dust collection pipe 8 and the first hose 15, the through hole 26 at the top opening of the dust collection groove 3 is in a negative pressure dust collection state, the blown dust is sucked by the dust collection groove 3, enters the collecting box 25 through the first hose 15 and the dust collection pipe 8, stays in the collecting box 25 after being filtered by the second filter screen 10, completes the cleaning of the first filter screen 2, and in the cleaning process of the first filter screen 2, the dust collection groove 3 and the air blowing groove 4 are not contacted with the first filter screen 2, thereby avoiding the abrasion of the first filter screen 2, prolonging the service life of the first filter screen 2 and cleaning through back blowing, the cleaning effect is better, and the first filter screen 2 of being convenient for is high-efficient filtration for a long time, has improved work efficiency, and simultaneously, in the dust was discharged outside by collecting box 25, the staff can clear up the dust in ventilation case 1 outside, need not shut down the processing, and ventilation case 1 continuous operation of being convenient for has improved the convenience of use.

In one embodiment, adsorption case 19 top surface articulates there is sealed lid, and sealed lid passes through hasp and adsorption case 19 fixed connection, wherein, adsorption case 19 inside fixed mounting has block 21, and it has molecular sieve 20 to fill between the block 21, block 21 avoids molecular sieve 20 to leak, adsorption case 19 is located the outside of ventilation case 1, the mine air after the filtration of first filter screen 2 enters into adsorption case 19, molecular sieve 20 absorbs the harmful substance in the air, thereby purify the air of exhaust, after molecular sieve 20 saturation, the staff can open adsorption case 19 and change molecular sieve 20, the very big convenience of adsorption case 19 that is located the ventilation case 1 has changed the maintenance, further the convenience of using has been improved.

In one embodiment, the cleaning door is hinged to the front face of the collecting box 25, and the cleaning door is a sealing door, so that air leakage is avoided when the cleaning door is closed, and dust is cleaned conveniently after the cleaning door is opened.

In one embodiment, the surface of the moving block 14 is connected with a guide rod 7 in a penetrating and sliding manner, two ends of the guide rod 7 are fixedly connected with the inner wall of the ventilation box 1 respectively, the guide rod 7 is arranged in parallel with the screw rod 6, and the guide rod 7 guides the moving block 14 so as to facilitate smooth movement of the moving block 14.

In one embodiment, the plurality of through holes 26 are densely distributed, and the distance between the through holes 26 and the first filter screen 2 is not more than 1cm, so that the working efficiency is improved.

Working principle:

When the mine ventilation is carried out, this device is installed in mine vent top opening department, high-pressure centrifugal fan 23 starts, take out the inside air of ventilation tank 1 through connecting pipe 22 and blast pipe 18, air in the mine flows into ventilation tank 1 along collecting hopper 13, discharge after the filtration of first filter screen 2, when first filter screen 2 is cleared up, servo motor 5 synchronous start, drive screw rod 6 rotates, and then drive blowing tank 4 and dust absorption groove 3 synchronous movement, simultaneously, air-blower 16 and aspiration pump synchronous start, air-blower 16 is with high-pressure air current injection to blowing tank 4 in, blow off downwards, carry out the blowback to first filter screen 2, vacuum pump 12 starts and takes out the inside air of dust absorption groove 3 through dust absorption pipe 8 and first hose 15, the thru hole 26 of dust absorption groove 3 top opening presents the negative pressure dust absorption state, the dust of being blown off is absorbed by dust absorption groove 3, in the dust absorption groove 25, get into in the collecting tank 25 through first hose 15 and dust absorption pipe 8, stay in the filter screen 25 after the second filter screen 10 filtration, accomplish the clearance of first 2, simultaneously, air-blower 16 and aspiration pump 16 are synchronous start-up, the high pressure air current is injected into blowing tank 4, carry out the blowback to first filter screen 2, the blowback to the filter screen 2 is avoided in the dust absorption groove 2, the filter screen 2 is cleared up time is further, the filter screen 2 is not had been cleared up to the filter screen 2, and the filter screen 2 is more convenient for the time is prolonged, and the filter screen 2 is clear up, the work is more than the filter screen is more than 1, and has been more convenient to the filter screen 1, and has been cleaned out the filter screen 2, and has been more than is convenient to the service time is more than the filter screen is easy to be more than the dust is easy to be more convenient to be used to the dust and more than the filter.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a ventilation mechanism for ore exploitation, its characterized in that, including ventilation case (1) and first filter screen (2), ventilation case (1) inside fixed mounting has first filter screen (2), and first filter screen (2) top and below are provided with dust absorption groove (3) and blowing groove (4) respectively, and dust absorption groove (3) top surface and blowing groove (4) bottom surface all have offered thru hole (26), dust absorption groove (3) bottom surface and blowing groove (4) top surface all fixed mounting have movable block (14), and movable block (14) surface penetration threaded connection has screw rod (6), and screw rod (6) both ends all run through ventilation case (1) and with ventilation case (1) swivelling joint, ventilation case (1) one side surface fixed mounting has servo motor (5), and servo motor (5) output and screw rod (6) one end fixed connection, ventilation case (1) inside fixed mounting has air-blower (16), and air-blower (16) output end link up with blowing groove (4) through second hose (17), opposite side box (1) surface mounting has screw rod (6) through threaded connection to have, and second ram (25) fixed mounting has filter screen (25) inside fixed mounting with ventilation case (1), collecting box (25) one end is through exhaust tube (11) and vacuum pump (12) inlet end through being connected, and collecting box (25) other end link up and is connected with dust absorption pipe (8) to dust absorption pipe (8) run through ventilation box (1) and link up with dust absorption groove (3) through first hose (15), ventilation box (1) top surface fixed mounting has high-pressure centrifugal fan (23) and adsorption case (19), and adsorption case (19) inside holds molecular sieve (20), and high-pressure centrifugal fan (23) inlet end is through connecting pipe (22) and adsorption case (19) one end link up and be connected, the adsorption case (19) other end is through blast pipe (18) and ventilation box (1) top link up and be connected, high-pressure centrifugal fan (23) output link up and are connected with discharge pipe (24), ventilation box (1) bottom surface link up and are connected with gas collecting hopper (13).

2. A ventilation mechanism for ore mining according to claim 1, characterized in that the bottom opening of the gas collection hopper (13) is connected with a pipe through, and the pipe extends into the mine ventilation opening.

3. A ventilation mechanism for ore mining according to claim 1, characterized in that the top surface of the adsorption box (19) is hinged with a sealing cover, and the sealing cover is fixedly connected with the adsorption box (19) through a lock catch.

4. A ventilation mechanism for ore mining according to claim 1, characterized in that the adsorption box (19) is internally and fixedly provided with a blocking net (21), and molecular sieves (20) are filled between the blocking nets (21).

5. A ventilation mechanism for ore mining according to claim 1, characterized in that the collection box (25) is hinged with a cleaning door on the front face and the cleaning door is a sealing door.

6. The ventilation mechanism for ore mining according to claim 1, wherein the surface of the moving block (14) is connected with a guide rod (7) in a penetrating and sliding manner, two ends of the guide rod (7) are fixedly connected with the inner wall of the ventilation box (1) respectively, and the guide rod (7) is arranged in parallel with the screw rod (6).

7. A ventilation mechanism for ore mining according to claim 1, characterized in that the perforations (26) are densely distributed in plural numbers and that the distance between the perforations (26) and the first screen (2) is not more than 1cm.