CN212563229U - Quick dust collector of tunnelling face - Google Patents
Quick dust collector of tunnelling face Download PDFInfo
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- CN212563229U CN212563229U CN202021352925.XU CN202021352925U CN212563229U CN 212563229 U CN212563229 U CN 212563229U CN 202021352925 U CN202021352925 U CN 202021352925U CN 212563229 U CN212563229 U CN 212563229U
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Abstract
The utility model relates to a rapid dust removal device for a driving face, which comprises a device shell, a negative pressure air inlet section, a dust and water mixing dust removal section and a centrifugal dehydration section which are sequentially arranged in the device shell, wherein one end of the negative pressure air inlet section is provided with an air inlet, a negative pressure fan blade is arranged in the negative pressure air inlet section, high pressure water mist nozzles are arranged on the device shell at two sides of the air inlet, and the high pressure water mist nozzles are connected with a high pressure water unit; one end of the centrifugal dehydration section is provided with an air outlet, centrifugal blades are installed in the centrifugal dehydration section, a plurality of centrifugal guide grooves are arranged on a device shell of the centrifugal dehydration section, and a water and slag discharging port is arranged in the centrifugal dehydration section; and the middle part of the dust and water mixing and dedusting section is provided with a pneumatic motor, and the pneumatic motor is connected with the negative pressure fan blade and the centrifugal fan blade through a connecting shaft. The utility model discloses an install the dust collector on the entry driving machine, the dust that will dig in the lift is inhaled wherein fast, through spraying dust fall, centrifugal dehydration, realizes the purification of dust in the air, solves the technological problem that the head removed dust of digging.
Description
Technical Field
The utility model relates to a quick dust collector of tunnelling face belongs to dust collecting equipment technical field in the pit.
Background
The dust raising of the underground tunneling surface is always a problem difficult to treat, in the existing tunneling process, the dust is reduced in a water spraying mode, but after the dust is reduced, the dust is still diffused in the air together with water molecules. The underground heading head has poor dust removal effect, and the body health of the heading face workers is affected, so that the underground dust removal equipment capable of solving the technical problem is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a problem that exists among the current technology that aim at solved provides one kind and can adapt to the use of tunnelling face in the pit, satisfies dust removal effect's quick dust collector of tunnelling face.
The technical means of the utility model is that: a rapid dust removal device for a driving face comprises a device shell, and a negative pressure air inlet section, a dust and water mixed dust removal section and a centrifugal dehydration section which are sequentially arranged in the device shell, wherein one end of the negative pressure air inlet section is provided with an air inlet, negative pressure fan blades are arranged in the negative pressure air inlet section, high-pressure water mist nozzles are arranged on the device shell on two sides of the air inlet, and the high-pressure water mist nozzles are connected with a high-pressure water unit; one end of the centrifugal dehydration section is provided with an air outlet, centrifugal blades are installed in the centrifugal dehydration section, a plurality of centrifugal guide grooves are arranged on a device shell of the centrifugal dehydration section, and a water and slag discharging port is arranged in the centrifugal dehydration section; and the middle part of the dust and water mixing and dedusting section is provided with a pneumatic motor, and the pneumatic motor is connected with the negative pressure fan blade and the centrifugal fan blade through a connecting shaft. The pneumatic motor drives the negative pressure fan blade to form negative pressure at the negative pressure air inlet section by means of the power provided by the underground air supply pipe, the air is supplied head-on to enable a large amount of dust-containing air to enter the negative pressure air inlet section, the dust-containing air is combined with high-pressure water mist at the negative pressure air inlet section and enters the dust and water mixed dust removal section, large-particle dust can automatically fall down, the rest dust enters the centrifugal dehydration section, the water and dust are thrown into the centrifugal guide groove, and the air is discharged from the air outlet after being purified.
Furthermore, the device shell is a cylindrical barrel, and the outer surface of the middle part of the barrel is provided with a mounting rack for being fixed at the top of the heading machine.
Furthermore, the air inlet of the device shell is arranged to be an outer horn mouth, the air outlet is provided with a flange, and the height between the outer edge of the outer horn mouth and the edge of the flange is equal to the height between the outer edge of the outer horn mouth and the edge of the flange and the installation surface.
Furthermore, a silencer is arranged on an air outlet pipe of the pneumatic motor.
Furthermore, the centrifugal guide groove is formed by connecting a plurality of ends with the centrifugal dewatering section device shell and arc-shaped rings arranged at intervals, the bottom of the centrifugal guide groove device shell is provided with a hole, a containing groove is arranged outside the hole, and a drainage slag hole is formed in the containing groove. The water and dust in the dust-containing water mist is thrown to the centrifugal guide groove by the centrifugal fan blade and finally gathered in the holding tank and discharged by the water and slag discharging port, and the purified air naturally flows out from the air outlet of the centrifugal dehydration section to form air inlet and air outlet circulation.
The beneficial effects of the utility model reside in that: the dust removal device arranged on the tunneling machine is used for quickly sucking the dust raised during tunneling into the tunneling machine, dust in the air is purified through spraying dust reduction and centrifugal dehydration, and the technical problem of dust removal of a tunneling head is solved; the air quantity is larger than that of an electric motor, the explosion-proof problem of an electric appliance does not exist, and the electric motor is light, convenient to move and small in size.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is the field installation schematic diagram of the utility model.
In the figure: 1. the device comprises a device shell, 2, a negative pressure air inlet section, 3, a dust and water mixed dust removal section, 4, a centrifugal dehydration section, 5, a negative pressure fan blade, 6, a high-pressure water mist spray nozzle, 7, a centrifugal fan blade, 8, a pneumatic motor, 9 and a centrifugal guide groove.
Detailed Description
As shown in fig. 1, a rapid dust removal device for a driving face comprises a device shell 1, a negative pressure air inlet section 2, a dust and water mixing dust removal section 3 and a centrifugal dehydration section 4 which are sequentially arranged in the device shell 1, wherein one end of the negative pressure air inlet section 2 is provided with an air inlet, a negative pressure fan blade 5 is arranged in the negative pressure air inlet section 2, high pressure water mist nozzles 6 are arranged on the device shell 1 at two sides of the air inlet, and the high pressure water mist nozzles 6 are connected with a high pressure water unit; an air outlet is arranged at one end of the centrifugal dehydration section 4, a centrifugal fan blade 7 is arranged in the centrifugal dehydration section 4, a plurality of centrifugal guide grooves 9 are arranged on the device shell 1 of the centrifugal dehydration section 4, and a drainage slag hole is arranged on the centrifugal dehydration section 4; the middle part of the dust and water mixing and dedusting section 3 is provided with a pneumatic motor 8, and the pneumatic motor 8 is connected with a negative pressure fan blade 5 and a centrifugal fan blade 7 through a connecting shaft. The pneumatic motor 8 drives the negative pressure fan blade 5 to form negative pressure at the negative pressure air inlet section 2 by means of the power provided by the underground blast pipe, the air is blown head to enable a large amount of dust-containing air to enter the negative pressure air inlet section, the dust-containing air is combined with high-pressure water mist at the negative pressure air inlet section 2 to enter the dust and water mixed dust removal section 3, large-particle dust can automatically fall down, the rest dust and water enter the centrifugal dehydration section 4, the water and dust are thrown into the centrifugal guide groove, and the air is discharged from an air outlet after being purified. The high-pressure water unit can be a high-pressure water generating device in the prior art.
The device shell 1 is a cylindrical barrel, and an installation frame is arranged on the outer surface of the middle of the barrel and used for being fixed to the top of the heading machine.
And a silencer is arranged on an air outlet pipe of the pneumatic motor 8. The influence of noise on the heading machine and surrounding personnel is reduced.
The centrifugal guide groove 9 is formed by connecting a plurality of ends with the centrifugal dewatering section device shell and arc-shaped rings arranged at intervals, the bottom of the centrifugal guide groove device shell is provided with a hole, a containing groove is arranged outside the hole, and a drainage slag hole is formed in the containing groove. The water and dust in the dust-containing water mist is thrown to the centrifugal guide groove by the centrifugal fan blade and finally gathered in the holding tank and discharged by the water and slag discharging port, and the purified air naturally flows out from the air outlet of the centrifugal dehydration section to form air inlet and air outlet circulation.
As shown in figure 2, the device is arranged on a heading head and a heading machine, external air is blown (an external fan supplies air to the heading head), and an air motor can form air volume 1.5-2 times of the external air supply volume, so that the external air is sucked into the device for purification.
The dust removal device is arranged on the tunneling machine, dust raised during tunneling is quickly sucked into the dust removal device, dust in the air is purified through spraying dust reduction and centrifugal dehydration, and the technical problem of dust removal of the tunneling head is solved; the effect is more electronic advantage: the air quantity is large, the explosion-proof problem of an electric appliance does not exist, the movement is convenient and light, and the volume is small; in the construction sites of underground guniting and the like, the underground guniting and guniting device can be used only by pressing air, and is very convenient because a cable does not need to be pulled to swing a switch.
The embodiments of the present application are only used for illustrating the technical features disclosed in the present application, and the changes made by the simple substitution by those skilled in the art still belong to the protection scope of the present application.
Claims (5)
1. The utility model provides a quick dust collector of tunnelling face which characterized in that: the device comprises a device shell (1), and a negative pressure air inlet section (2), a dust and water mixing and dedusting section (3) and a centrifugal dehydration section (4) which are sequentially arranged in the device shell (1), wherein one end of the negative pressure air inlet section (2) is provided with an air inlet, a negative pressure fan blade (5) is arranged in the negative pressure air inlet section (2), the device shell (1) at two sides of the air inlet is provided with a high-pressure water mist spray head (6), and the high-pressure water mist spray head (6) is connected with a high-pressure water unit; an air outlet is formed in one end of the centrifugal dehydration section (4), centrifugal fan blades (7) are installed in the centrifugal dehydration section (4), a plurality of centrifugal guide grooves (9) are formed in a device shell (1) of the centrifugal dehydration section (4), and a drainage slag hole is formed in the centrifugal dehydration section (4); the middle part of the dust and water mixing and dedusting section (3) is provided with a pneumatic motor (8), and the pneumatic motor (8) is connected with a negative pressure fan blade (5) and a centrifugal fan blade (7) through a connecting shaft.
2. The rapid dust removal device for the heading face according to claim 1, wherein: the device shell (1) is a cylindrical barrel, and an installation frame is arranged on the outer surface of the middle of the barrel and used for being fixed to the top of the heading machine.
3. The rapid dust removal device for the heading face according to claim 2, wherein: the air inlet of the device shell (1) is arranged to be an outer horn mouth, the air outlet is provided with a flange, and the height between the outer edge of the outer horn mouth and the edge of the flange is equal to the height between the flange and the installation surface.
4. The rapid dust removal device for the heading face according to claim 1, wherein: and a silencer is arranged on an air outlet pipe of the pneumatic motor (8).
5. The rapid dust removal device for the heading face according to claim 1, wherein: the centrifugal guide groove (9) is connected with the centrifugal dewatering section device shell through a plurality of ends and is formed by arc-shaped rings arranged at intervals, the bottom of the centrifugal guide groove device shell is provided with a hole, a containing groove is arranged outside the hole, and a drainage slag hole is formed in the containing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021352925.XU CN212563229U (en) | 2020-07-10 | 2020-07-10 | Quick dust collector of tunnelling face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021352925.XU CN212563229U (en) | 2020-07-10 | 2020-07-10 | Quick dust collector of tunnelling face |
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| Publication Number | Publication Date |
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| CN212563229U true CN212563229U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021352925.XU Active CN212563229U (en) | 2020-07-10 | 2020-07-10 | Quick dust collector of tunnelling face |
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| CN (1) | CN212563229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685150A (en) * | 2021-09-30 | 2021-11-23 | 太原理工大学 | Dust removal device for underground orifice |
-
2020
- 2020-07-10 CN CN202021352925.XU patent/CN212563229U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685150A (en) * | 2021-09-30 | 2021-11-23 | 太原理工大学 | Dust removal device for underground orifice |
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