CN213713553U - Mine explosion-proof electric heating air furnace - Google Patents
Mine explosion-proof electric heating air furnace Download PDFInfo
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- CN213713553U CN213713553U CN202022451800.9U CN202022451800U CN213713553U CN 213713553 U CN213713553 U CN 213713553U CN 202022451800 U CN202022451800 U CN 202022451800U CN 213713553 U CN213713553 U CN 213713553U
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Abstract
The utility model belongs to the technical field of the hot-blast furnace, especially, be an explosion-proof electric hot-blast furnace of mine, the power distribution box comprises a box body, one side fixedly connected with air-out pipeline of box, the top fixedly connected with air-supply line of box, the surface of air-supply line is rotated through the hinge and is connected with the maintenance door, No. one fan of inner wall fixedly connected with of box, the inside wall of box is provided with the electrode heating pipe, the inside wall fixedly connected with backup pad of air-out pipeline, the inside wall of air-out pipeline is rotated through the bearing and is connected with the check board, the bottom sliding connection of check board has the. The utility model discloses a slider and the cooperation of switching piece, when the box output hot-blast, the check plate stirs forward for hot-blast can pass through smoothly, when the gaseous blasting that takes place in the pit, the check plate can be under the impact of blasting, turn backward and with air-out pipeline blocking, inside avoiding combustible gas to get into the box, very be favorable to using.
Description
Technical Field
The utility model relates to a hot-blast furnace technical field specifically is an explosion-proof electric hot-blast furnace of mine.
Background
Mines mined in the subsurface. Inclined shafts, vertical shafts, adit and the like in underground mining of mines are also sometimes called mines, and coal mines are areas where humans mine coal resources in coal-rich mining areas and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities. Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others.
The mine electric heating air furnace in the current market has the following problems:
1. in the prior art, the electric air heater does not have the function of air duct non-return, and a mine contains a large amount of combustible gas, so that the electric air heater is easy to explode under the action of hot air, and the impact of the explosion can bring a large amount of combustible gas into the electric air heater, so that the electric air heater explodes and is extremely not beneficial to use;
2. among the prior art, electric hot air furnace mostly lacks the filtration of many inhaled air, and a small part has filtration, and the change and the cleanness of filter screen also are difficult to carry out by great majority, lead to the user to need to spend a large amount of time and energy district and carry out the change of filter screen.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an explosion-proof electric hot air furnace of mine has solved prior art, and electric hot air furnace does not possess the function of wind channel non return, and contains a large amount of combustible gas in the mine, very easily under hot-blast effect, takes place to explode, and the impact of exploding can bring a large amount of combustible gas into electric hot air furnace in to arouse the explosion of electric hot air furnace, be unfavorable for the problem of use very much.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof electric air heater for mines comprises a box body, wherein one side of the box body is fixedly connected with an air outlet pipeline, the top of the box body is fixedly connected with an air inlet pipe, the surface of the air inlet pipe is rotatably connected with a maintenance door through a hinge, the inner wall of the box body is fixedly connected with a first fan, the inner side wall of the box body is provided with an electrode heating pipe, the inner side wall of the air outlet pipeline is fixedly connected with a supporting plate, the inner side wall of the air outlet pipeline is rotatably connected with a check plate through a bearing, the bottom of the check plate is slidably connected with a sliding block, one side of the sliding block is rotatably connected with a transfer block through a bearing, one end of the transfer block is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with one side of the supporting plate, the surface of the air inlet pipe, the utility model discloses a filter screen, including activity butt joint piece, air-supply line and maintenance door, the inner wall threaded connection of activity butt joint piece has the bolt, the one end fixedly connected with handle of bolt, the surface of bolt and the inner wall threaded connection of fixed butt joint piece, the spacing groove has all been seted up to the inner wall of air-supply line and maintenance door, the inside wall of air-supply line has through spacing groove sliding connection respectively and blocks worm net, filter screen and No. two filter screens.
As a preferred technical scheme of the utility model, the opposite side fixedly connected with ladder of box, the ladder is distributed in the side of box from bottom to top the equidistance.
As an optimal technical scheme of the utility model, the equal fixedly connected with division board of interior roof and interior diapire of box, two crisscross distribution between the division board.
As a preferred technical scheme of the utility model, No. two fans of inner wall fixedly connected with of box, No. two fans are located the one side that is close to the air-out pipeline.
As a preferred technical scheme of the utility model, the inside wall fixedly connected with limiting plate of air-out pipeline, the limiting plate is the rectangular plate.
As a preferred technical scheme of the utility model, the one end fixedly connected with spring of switching piece, the one end fixed connection of spring is in one side of backup pad.
(III) advantageous effects
Compared with the prior art, the utility model provides an explosion-proof electric hot-blast furnace of mine possesses following beneficial effect:
1. this explosion-proof electric hot-air furnace of mine through the cooperation of slider and switching piece, when the box output hot-blast, the check board stirs forward for hot-blast can pass through smoothly, when gaseous blasting takes place in the pit, the check board can be under the impact of blasting, stirs backward and with air-out pipeline blocking, avoids inside combustible gas gets into the box, very is favorable to the use.
2. This mine explosion-proof electric hot air furnace, through the cooperation of fixed butt joint piece and activity butt joint piece, the user can grip the handle and rotate the bolt for fix or separate between air-supply line and the maintenance door, through will maintaining door and air-supply line separation, the user can easily will block that worm net, a filter screen and No. two filter screens take out clean or change, convenience very of use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention;
fig. 4 is a side view of the present invention.
In the figure: 1. a box body; 2. an air outlet pipeline; 3. an air inlet pipe; 4. maintaining the door; 5. a step; 6. a first fan; 7. an electrode heating tube; 8. a partition plate; 9. a second fan; 10. a support plate; 11. a limiting plate; 12. a check plate; 13. a slider; 14. a transfer block; 15. a telescopic rod; 16. a spring; 17. fixing the butt-joint block; 18. a movable butt-joint block; 19. a bolt; 20. a handle; 21. a limiting groove; 22. blocking the insects; 23. a first filter screen; 24. no. two filter screens.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: an explosion-proof electric air heater for mines comprises a box body 1, one side of the box body 1 is fixedly connected with an air outlet pipeline 2, the top of the box body 1 is fixedly connected with an air inlet pipe 3, the surface of the air inlet pipe 3 is rotatably connected with a maintenance door 4 through a hinge, the inner wall of the box body 1 is fixedly connected with a first fan 6, the inner side wall of the box body 1 is provided with an electrode heating pipe 7, the inner side wall of the air outlet pipeline 2 is fixedly connected with a supporting plate 10, the inner side wall of the air outlet pipeline 2 is rotatably connected with a check plate 12 through a bearing, the bottom of the check plate 12 is slidably connected with a sliding block 13, one side of the sliding block 13 is rotatably connected with a switching block 14 through a bearing, one end of the switching block 14 is fixedly connected with a telescopic rod 15, one end of the telescopic rod 15 is fixedly connected with one side of the supporting plate, the inner wall of the movable butt-joint block 18 is in threaded connection with a bolt 19, one end of the bolt 19 is fixedly connected with a handle 20, the surface of the bolt 19 is in threaded connection with the inner wall of the fixed butt-joint block 17, the inner walls of the air inlet pipe 3 and the maintenance door 4 are respectively provided with a limiting groove 21, and the inner side wall of the air inlet pipe 3 is respectively in sliding connection with an insect blocking net 22, a first filter screen 23 and a second filter screen 24 through the limiting grooves 21.
In this embodiment, through the cooperation of slider 13 and switching piece 14, when box 1 exports hot-blast, check plate 12 turns forward, make hot-blast can pass through smoothly, when gaseous blasting takes place in the pit, check plate 12 can be under the impact of blasting, turn backward and block up air-out pipeline 2, avoid combustible gas to get into inside the box 1, through the fixed cooperation to the piece 17 and the activity butt joint piece 18, the user can grip handle 20 and rotate bolt 19, make and fix or separate between intake pipe 3 and the maintenance door 4, through separating maintenance door 4 and intake pipe 3, the user can easily take out and block worm net 22, filter screen 23 and filter screen 24 No. two and clean or change, it is very convenient to use.
Specifically, the other side of the box body 1 is fixedly connected with a step 5, and the steps 5 are distributed on the side surface of the box body 1 from bottom to top at equal intervals.
In this embodiment, through ladder 5, the person of facilitating the use ascends a height and carries out the inside maintenance of air-supply line 3, very is favorable to using.
Specifically, the interior roof and the interior diapire of box 1 all fixedly connected with division board 8, crisscross distribution between two division boards 8.
In this embodiment, through division board 8, can prolong the air in the inside transit time of box 1 for the heating effect is better, very is favorable to using.
Specifically, the inner wall of the box body 1 is fixedly connected with a second fan 9, and the second fan 9 is positioned on one side close to the air outlet pipeline 2.
In this embodiment, through No. two fans 9, can provide power to the circulation of hot-blast for hot-blast more smooth and easy that flows.
Specifically, the inside wall fixedly connected with limiting plate 11 of air-out pipeline 2, limiting plate 11 are the rectangular plate.
In this embodiment, through limiting plate 11, can carry out spacing enhancement to check plate 12 for check plate 12's non return effect is better.
Specifically, one end of the transfer block 14 is fixedly connected with a spring 16, and one end of the spring 16 is fixedly connected to one side of the support plate 10.
In this embodiment, the check plate 12 can be kept normally open by the spring 16, which is beneficial to the passage of hot air.
The utility model discloses a theory of operation and use flow: when the device is used, the second fan 9, the first fan 6 and the electrode heating pipe 7 are opened, the first fan 6 and the second fan 9 jointly push air in the box body 1 to flow, external air enters the air inlet pipe 3 under the action of negative pressure and is sequentially filtered by the insect blocking net 22, the first filter net 23 and the second filter net 24, the air is heated by the electrode heating pipe 7 when entering the box body 1, the stroke of the air in the box body 1 is prolonged under the blocking of the partition plate 8, so that the heating effect of the electrode heating pipe 7 is better, hot air with enough temperature is formed at the position of the second fan 9, the hot air is discharged into a mine through the air outlet pipeline 2, when air explosion happens in the mine, impact waves push the check plate 12 to move inwards, the check plate 12 moves inwards and abuts against the limiting plate 11, so that the inside of the air outlet pipeline 2 is blocked, combustible gas is prevented from passing through, and after the explosion is finished, the spring 16 releases elasticity to push the butt-joint block 14 forwards, the butt-joint block 14 pushes the sliding block 13, the sliding block 13 pushes the check plate 12 to turn up, hot air can pass through again, when the insect blocking net 22, the first filter screen 23 and the second filter screen 24 need to be replaced and cleaned, a user climbs the ladder 5, holds the handle 20 and rotates to enable the bolt 19 to be separated from the inside of the fixed butt-joint block 17, the maintenance door 4 is turned over to expose the insect blocking net 22, the first filter screen 23 and the second filter screen 24, the user directly extracts the insect blocking net 22, the first filter screen 23 and the second filter screen 24 to be cleaned and replaced, after the maintenance door 4 is reset, the handle 20 is rotated to enable the bolt 19 to be screwed into the inside of the fixed butt-joint block 17, and the work can be continued.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an explosion-proof electric hot blast stove of mine, includes box (1), its characterized in that: the air-out device is characterized in that an air-out pipeline (2) is fixedly connected to one side of the box body (1), an air inlet pipe (3) is fixedly connected to the top of the box body (1), the surface of the air inlet pipe (3) is rotatably connected with a maintenance door (4) through a hinge, a first fan (6) is fixedly connected to the inner wall of the box body (1), an electrode heating pipe (7) is arranged on the inner side wall of the box body (1), a supporting plate (10) is fixedly connected to the inner side wall of the air-out pipeline (2), a check plate (12) is rotatably connected to the inner side wall of the air-out pipeline (2) through a bearing, a sliding block (13) is slidably connected to the bottom of the check plate (12), a switching block (14) is rotatably connected to one side of the sliding block (13) through a bearing, a telescopic rod (15) is fixedly connected to one end of, the fixed butt joint piece (17) of fixed surface of air-supply line (3), the fixed surface of maintenance door (4) is connected with activity butt joint piece (18), the inner wall threaded connection of activity butt joint piece (18) has bolt (19), the one end fixedly connected with handle (20) of bolt (19), the surface of bolt (19) and the inner wall threaded connection of fixed butt joint piece (17), spacing groove (21) have all been seted up to the inner wall of air-supply line (3) and maintenance door (4), the inside wall of air-supply line (3) has the insect blocking net (22), filter screen (23) and No. two filter screens (24) through spacing groove (21) sliding connection respectively.
2. The mine explosion-proof electric hot blast stove according to claim 1, characterized in that: the opposite side fixedly connected with ladder (5) of box (1), ladder (5) from bottom to top equidistance distributes in the side of box (1).
3. The mine explosion-proof electric hot blast stove according to claim 1, characterized in that: the inner top wall and the inner bottom wall of the box body (1) are fixedly connected with partition plates (8), and the two partition plates (8) are distributed in a staggered mode.
4. The mine explosion-proof electric hot blast stove according to claim 1, characterized in that: the inner wall fixedly connected with No. two fans (9) of box (1), No. two fans (9) are located the one side that is close to air-out pipeline (2).
5. The mine explosion-proof electric hot blast stove according to claim 1, characterized in that: the inside wall fixedly connected with limiting plate (11) of air-out pipeline (2), limiting plate (11) are the rectangular plate.
6. The mine explosion-proof electric hot blast stove according to claim 1, characterized in that: one end of the transfer block (14) is fixedly connected with a spring (16), and one end of the spring (16) is fixedly connected to one side of the support plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022451800.9U CN213713553U (en) | 2020-10-29 | 2020-10-29 | Mine explosion-proof electric heating air furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022451800.9U CN213713553U (en) | 2020-10-29 | 2020-10-29 | Mine explosion-proof electric heating air furnace |
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| Publication Number | Publication Date |
|---|---|
| CN213713553U true CN213713553U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022451800.9U Active CN213713553U (en) | 2020-10-29 | 2020-10-29 | Mine explosion-proof electric heating air furnace |
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| CN (1) | CN213713553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183919A (en) * | 2021-12-01 | 2022-03-15 | 江苏凯博防爆电气有限公司 | Mining explosion-proof electric hot air furnace convenient to installation is fixed |
-
2020
- 2020-10-29 CN CN202022451800.9U patent/CN213713553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183919A (en) * | 2021-12-01 | 2022-03-15 | 江苏凯博防爆电气有限公司 | Mining explosion-proof electric hot air furnace convenient to installation is fixed |
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