CN215633096U - Compressed air-assisted spraying dust-settling device of development machine - Google Patents
Compressed air-assisted spraying dust-settling device of development machine Download PDFInfo
- Publication number
- CN215633096U CN215633096U CN202122084346.2U CN202122084346U CN215633096U CN 215633096 U CN215633096 U CN 215633096U CN 202122084346 U CN202122084346 U CN 202122084346U CN 215633096 U CN215633096 U CN 215633096U
- Authority
- CN
- China
- Prior art keywords
- air
- compressed air
- base
- guide cylinder
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a compressed air-assisted spray dust-settling device of a heading machine, which is applied to the heading machine and comprises a base, an air duct arranged on the base, an air inlet cavity arranged in the base, a first air inlet arranged on the base, an air outlet arranged at one end of the air duct, an air inlet pipe, a compressed air guide ring and a water spray component, the compressed air guide ring utilizes the principle of an air amplifier to lead the area of the inner side wall of the air duct corresponding to the compressed air guide ring to generate negative pressure, thereby driving the external air to pass through the air inlet cavity from the first air inlet and then to be guided into the air guide cylinder through the air inlet pipe, the external air and the external air are converged to form high-speed airflow, high-speed and high-capacity airflow is ejected from an outlet of the air duct to form aerodynamic force, and water mist sprayed by the water spraying assembly is sent to a region which is far away and needs dust fall, so that the dust fall efficiency is improved, and the requirement of a dust removal environment in a coal mine is met.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a compressed air-assisted spraying dust-settling device of a heading machine.
[ background of the utility model ]
At present, along with the continuous improvement of the mechanization degree of a coal mine, a high-power coal mining machine and a tunneling machine are widely applied to the underground of the coal mine, the dust production amount of a coal mine production operation area is increased sharply, the operation environment is worsened, and the safety production of the coal mine and the physical and mental health of workers are seriously threatened.
The existing dust settling equipment generally utilizes the principle of water mist dust removal, and water is sprayed out from a nozzle to form a mist drop field by connecting a high-pressure water pump on a working site. Meanwhile, the axial flow fan arranged at the bottom is used for providing conveying power, and the range of the spray nozzle for spraying the fog drops is improved, so that the aim of large-area, multi-angle and long-distance dust fall is fulfilled. However, explosive gases such as gas exist in coal mine production operation places, and the adopted dust settling equipment has explosion-proof requirements, so that dust can not be settled by adopting common dust settling equipment, and the application of the dust settling equipment in coal mine underground operation places is severely limited.
[ Utility model ] content
The utility model provides a compressed air-conveying type spraying dust-settling device of a heading machine, which can meet the explosion-proof requirement of an underground coal mine by using compressed air to replace an axial flow fan as conveying power by means of the principle of an air amplifier.
The utility model is realized by the following technical scheme:
the utility model provides a tunneller compressed air-assisted spraying dust device, includes:
a base;
the air duct is arranged on the base;
the air inlet cavity is arranged in the base;
the first air inlet is arranged on the base and used for communicating the air inlet cavity with external air;
the air outlet is arranged at one end of the air guide cylinder;
one end of the air inlet pipe is connected with the air inlet cavity, and the other end of the air inlet pipe is connected with the air guide cylinder and used for guiding outside air from the air inlet cavity into the air guide cylinder and guiding the outside air out from the air outlet;
the compressed air guide ring is arranged in the side wall of the air guide cylinder, is positioned between the air inlet pipe and the connecting end of the air guide cylinder and the air outlet and is used for enabling the area of the inner side wall of the air guide cylinder, which corresponds to the compressed air guide ring, to generate negative pressure; and
the water spraying assembly is used for spraying water to the air outlet.
According to the compressed air-assisted spraying dust-settling device for the heading machine, the first air inlet is formed in the side wall of the base, close to one end of the air outlet.
According to the compressed air-assisted spraying dust-settling device for the heading machine, the first air inlet is provided with the filter screen.
The compressed air-assisted spray dust-settling device for the development machine comprises a compressed air guide ring, a compressed air guide ring and a compressed air inlet hole, wherein the compressed air guide ring comprises a guide cavity arranged in the side wall of the air guide cylinder in a winding manner along the circumferential direction of the air guide cylinder, an annular gap arranged on the inner side wall of the air guide cylinder and communicated with the guide cavity, and the compressed air inlet hole is arranged on the side wall of the air guide cylinder and communicated with the guide cavity and the outer surface of the side wall of the air guide cylinder.
The compressed air-assisted spraying dust-settling device for the development machine further comprises an air compressor arranged in the base and used for generating compressed air and a second air inlet arranged on the base, a compressed air conduit is arranged between the air compressor and the air guide cylinder, one end of the compressed air conduit is connected with the air outlet end of the air compressor, and the other end of the compressed air conduit is connected with the compressed air inlet hole.
The compressed air-assisted spray dust-settling device of the development machine comprises a water spraying assembly and a dust-settling device, wherein the water spraying assembly comprises:
the nozzle ring is arranged on the air outlet;
the water inlet is arranged on the base;
the water inlet pipe is arranged in the base, one end of the water inlet pipe is connected with the water inlet, and the other end of the water inlet pipe extends out of the base and is connected with the nozzle ring.
According to the compressed air-assisted spray dust-settling device for the heading machine, the nozzle ring comprises the nozzle mounting ring body connected with the air duct and communicated with the water inlet pipe, and the nozzles arranged at one end, far away from the air duct, of the nozzle mounting ring body and communicated with the nozzle mounting ring body, and the nozzles are uniformly distributed along the circumference of the nozzle mounting ring body.
According to the compressed air-assisted spray dust-settling device for the heading machine, the plurality of nozzles are obliquely arranged along the direction close to the axis of the nozzle installation ring body.
According to the compressed air-assisted spraying dust-settling device for the heading machine, the angle adjusting mechanism for adjusting the angle between the air duct and the base is arranged between the base and the air duct.
According to the compressed air-assisted spraying dust-settling device for the heading machine, the angle adjusting mechanism comprises the movable connecting seat arranged on the base, the movable connecting ball connected with the movable connecting seat in a rolling fit mode, a connecting support piece used for connecting the movable connecting ball and the air guide cylinder and a locking piece used for limiting the rolling of the movable connecting ball.
According to the compressed air-assisted spraying dust-settling device for the heading machine, the base is provided with the water pressure gauge, the air pressure gauge, the liquid regulating valve and the gas regulating valve.
Compared with the prior art, the utility model has the following advantages:
1. the utility model provides a compressed air-assisted spray dust-settling device of a heading machine, which is applied to the heading machine and comprises a base, an air duct arranged on the base, an air inlet cavity arranged in the base, a first air inlet arranged on the base, an air outlet arranged at one end of the air duct, an air inlet pipe, a compressed air guide ring and a water spray assembly, the compressed air guide ring utilizes the principle of an air amplifier to lead the area of the inner side wall of the air duct corresponding to the compressed air guide ring to generate negative pressure, thereby driving the external air to pass through the air inlet cavity from the first air inlet and then to be guided into the air guide cylinder through the air inlet pipe, the external air and the external air are converged to form high-speed airflow, high-speed and large-capacity airflow is ejected from an outlet of the air duct to form aerodynamic force, and water mist sprayed by the water spraying assembly is sent to a remote area needing dust fall, so that the dust fall efficiency is improved, and the requirement of a dust removal environment under a coal mine is met;
2. according to the utility model, the first air inlet is arranged on the side wall of the base close to one end of the air outlet, so that when the air outlet of the air duct is aligned with the required dust removal area for dust removal, the first air inlet is also exactly aligned with the required dust removal area, so that the dust-containing gas in the required dust removal area is firstly sucked from the first air inlet, and the dust removal effect is better;
3. an angle adjusting mechanism for adjusting the angle between the air guide cylinder and the base is arranged between the base and the air guide cylinder, so that omnibearing dust fall is facilitated, and a comprehensive dust fall effect is achieved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a sectional view taken along the line a-a in fig. 2.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the words are used for distinguishing between them unless the context clearly dictates otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In a specific embodiment, as shown in fig. 1 to 3, the compressed air-feeding type spray dust-settling device for the heading machine includes a base 1, an air duct 2 disposed on the base 1, an air inlet chamber 11 disposed in the base 1, a first air inlet 12 disposed on the base 1 and used for communicating the air inlet chamber 11 with external air, an air outlet 21 disposed at one end of the air duct 2, an air inlet pipe 3 connected between the air inlet chamber 11 and the air duct 2 and used for guiding the external air from the air inlet chamber 11 into the air duct 2 and guiding the external air out from the air outlet 21, a compressed air guide ring 4 disposed in a side wall of the air duct 2 and located between a connecting end of the air inlet pipe 3 and the air duct 2 and the air outlet 21 and used for generating negative pressure in a region of an inner side wall of the air duct 2 corresponding to the compressed air guide ring 4, and a water spray assembly 5 used for spraying water mist to the air outlet 21. During the use, the compressed air water conservancy diversion ring utilizes the air amplifier principle to make the regional negative pressure that produces of air duct inside wall correspondence compressed air water conservancy diversion ring, thereby drive outside air and lead through the intake pipe again and send to the air duct in from first air inlet through the chamber of admitting air, outside air combines with original air current, with high speed, the formation aerodynamic force is jetted out from the air duct export to large capacity air current, send the regional that needs the dust fall far away with water spray assembly spun water smoke, thereby improve dust fall efficiency, improve the operational environment, in order to satisfy the needs of colliery dust removal environment in the pit. The method can also be used for spray dust reduction of the coal mine underground coal mining machine; preferably, the air inlet pipe 3 is communicated with one end of the air duct 2 far away from the air outlet 21, and the pipe diameter of the air inlet pipe 3 is equal to the pipe diameter of the air duct 2.
Specifically, the first air inlet 12 is disposed on a side wall of the base 1 near one end of the air outlet 21. When the air outlet of the air duct is aligned with the area needing dust removal for dust removal, the first air inlet is also aligned with the area needing dust removal, so that the dust-containing gas in the area needing dust removal is sucked from the first air inlet at first, and the dust removal effect is better.
More specifically, the first air inlet 12 is disposed on a side wall of the base 1 near one end of the air outlet 21, so as to prevent large particle impurities from blocking.
In addition, the compressed air guiding ring 4 comprises a guiding cavity 41 which is arranged in the side wall of the air guiding barrel 2 in a winding way along the circumferential direction of the air guiding barrel 2, an annular seam 42 which is arranged on the inner side wall of the air guiding barrel 2 and communicated with the guiding cavity 41, and a compression air inlet hole 43 which is arranged on the side wall of the air guiding barrel 2 and communicated with the guiding cavity 41 and the outer surface of the side wall of the air guiding barrel 2. Specifically, the air conditioner further comprises an air compressor (not shown) arranged in the base 1 and used for generating compressed air, and a second air inlet 9 arranged on the base 1, wherein a compressed air conduit 6 is arranged between the air compressor and the air duct 2, one end of the compressed air conduit 6 is connected with an air outlet end of the air compressor, and the other end of the compressed air conduit 6 is connected with a compressed air inlet hole 43. The air compressor converts the outside air into compressed air through the second air inlet 9, guides the compressed air into the flow guide cavity 41 through the compressed air guide pipe 6, and emits the compressed air into the air guide cylinder 2 from the annular gap 42, and the annular jet flows along the inner wall of the air guide cylinder 2 to move in an attaching mode due to the coanda effect, a negative pressure area is formed in the center of the inside of the air guide cylinder 2, and therefore the outside air near the air guide cylinder 2 is driven to enter the inside of the air guide cylinder 2 from the first air inlet 12 through the air inlet cavity 11. The outside air is combined with the original air flow and ejected from the outlet of the air duct 2 with high-speed and large-capacity air flow to form aerodynamic force.
Further, the water spraying assembly 5 comprises a nozzle ring 51 arranged on the air outlet 21, a water inlet 52 arranged on the base 1, and a water inlet pipe 53 arranged in the base 1, wherein one end of the water inlet pipe 53 is connected with the water inlet 52, and the other end of the water inlet pipe extends out of the base 1 and is connected with the nozzle ring 51.
Specifically, the nozzle ring 51 includes a nozzle installation ring body 511 connected with the air duct 2 and communicated with the water inlet pipe 53, and a plurality of nozzles 512 arranged on the nozzle installation ring body 511 and far away from one end of the air duct 2 and communicated with the nozzle installation ring body 511, the nozzles 512 are uniformly arranged along the circumference of the nozzle installation ring body 511, so that the combination of the dust-containing air flow and the water mist sprayed from the nozzles 512 is more comprehensive, the dust fall efficiency is effectively improved, specifically, the nozzles 512 adopt micro-mist pressure nozzles, the atomization effect is improved, and the better atomization effect can be realized under the condition of lower water pressure.
More specifically, a plurality of the nozzles 512 are obliquely arranged along the direction close to the axis of the nozzle installation ring 511, and preferably, the nozzles 512 are obliquely arranged along the direction close to the axis of the nozzle installation ring 511 or the axis of the air duct 2 by 45 degrees, so that the dust-containing air flow is combined with the water mist sprayed from the nozzles 512 more sufficiently, and the dust-settling efficiency is effectively improved.
Furthermore, an angle adjusting mechanism 7 used for adjusting the angle between the air guide cylinder 2 and the base 1 is arranged between the base 1 and the air guide cylinder 2, so that omnibearing dust fall is facilitated, and a comprehensive dust fall effect is achieved. Specifically, the angle adjusting mechanism 7 includes a movable connecting seat 71 disposed on the base 1, a movable connecting ball 72 in rolling fit connection with the movable connecting seat 71, a connecting support 73 for connecting the movable connecting ball 72 with the air duct 2, and a locking member 74 for limiting the rolling of the movable connecting ball 72, and the locking member 74 may adopt a locking bolt, and the movable connecting ball 72 is locked and fixed in the radial direction by rotating the locking bolt. When the adjustment is needed, the locking piece 74 is firstly unscrewed, and the angle of the locking piece 74 is locked by the locking piece 74 after the angle of the locking piece is adjusted relative to the movable connecting seat 71 which is movably matched with the locking piece through the movable connecting ball 72. More specifically, the air duct 2 is provided with a handle, so that an operator can adjust the angle conveniently.
Still further, a water pressure gauge 81, a gas pressure gauge 82, a liquid regulating valve 83, and a gas regulating valve 84 are provided on the base 1. The water inlet pressure and the air inlet pressure are observed by the water pressure gauge 81 and the air pressure gauge 82, and the water inlet amount and the air inlet amount are respectively adjusted by the liquid adjusting valve 83 and the gas adjusting valve 84.
The above description is provided for one embodiment of the present invention, and the embodiments of the present invention are not limited to these descriptions, and the present invention is not limited to the above nomenclature and the English nomenclature since the trade nomenclature is different. Similar or identical methods, structures and the like as those of the present invention or several technical deductions or substitutions made on the premise of the conception of the present invention should be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a entry driving machine compressed air-assisted spraying dust device which characterized in that includes:
a base (1);
the air duct (2) is arranged on the base (1);
the air inlet cavity (11) is arranged in the base (1);
the first air inlet (12) is arranged on the base (1) and is used for communicating the air inlet cavity (11) with external air;
the air outlet (21) is arranged at one end of the air guide cylinder (2);
the air inlet pipe (3) is connected with the air inlet cavity (11) at one end and connected with the air guide cylinder (2) at the other end, and is used for guiding outside air from the air inlet cavity (11) into the air guide cylinder (2) and guiding the outside air out from the air outlet (21);
the compressed air guide ring (4) is arranged in the side wall of the air guide cylinder (2), is positioned between the connecting end of the air inlet pipe (3) and the air guide cylinder (2) and the air outlet (21), and is used for enabling the inner side wall of the air guide cylinder (2) to generate negative pressure in a region corresponding to the compressed air guide ring (4); and
and the water spraying component (5) is used for spraying water to the air outlet (21).
2. A compressed air-assisted spray dust-settling device for a heading machine according to claim 1, wherein the first air inlet (12) is provided in a side wall of the base (1) near one end of the air outlet (21).
3. A compressed air-fed spray dust-settling device for a heading machine according to claim 2, wherein the first air inlet (12) is provided with a screen (10).
4. The compressed air-assisted spray dust-settling device of the development machine according to claim 1, wherein the compressed air guide ring (4) comprises a guide cavity (41) arranged in the side wall of the air guide cylinder (2) in a winding manner along the circumferential direction of the air guide cylinder (2), an annular slit (42) arranged on the inner side wall of the air guide cylinder (2) and communicated with the guide cavity (41), and a compressed air inlet hole (43) arranged on the side wall of the air guide cylinder (2) and communicated with the guide cavity (41) and the outer surface of the side wall of the air guide cylinder (2).
5. The compressed air-assisted spraying dust-settling device of the heading machine according to claim 4, further comprising an air compressor arranged in the base (1) and used for generating compressed air and a second air inlet (9) arranged on the base (1), wherein a compressed air conduit (6) is arranged between the air compressor and the air guide cylinder (2), one end of the compressed air conduit (6) is connected with an air outlet end of the air compressor, and the other end of the compressed air conduit is connected with a compressed air inlet hole (43).
6. A compressed air-fed spray dedusting apparatus for a heading machine according to claim 1, characterized in that the water spray assembly (5) comprises:
the nozzle ring (51) is arranged on the air outlet (21);
the water inlet (52) is arranged on the base (1);
the water inlet pipe (53) is arranged in the base (1), one end of the water inlet pipe is connected with the water inlet (52), and the other end of the water inlet pipe extends out of the base (1) and is connected with the nozzle ring (51).
7. The compressed air-assisted spray dust-settling device of the heading machine according to claim 6, wherein the nozzle ring (51) comprises a nozzle mounting ring body (511) connected with the air duct (2) and communicated with the water inlet pipe (53), and nozzles (512) arranged at one end of the nozzle mounting ring body (511) far away from the air duct (2) and communicated with the nozzle mounting ring body (511), and the nozzles (512) are uniformly arranged along the circumference of the nozzle mounting ring body (511).
8. A compressed air-assisted spray dedusting device for a heading machine as claimed in claim 7 wherein the plurality of nozzles (512) are inclined in the direction close to the axis of the nozzle mounting ring body (511).
9. The compressed air-assisted spraying dust-settling device of the heading machine according to claim 1, wherein an angle adjusting mechanism (7) for adjusting the angle between the air duct (2) and the base (1) is arranged between the base (1) and the air duct (2).
10. The compressed air-assisted spraying dust-settling device of the development machine as claimed in claim 9, wherein the angle adjusting mechanism (7) comprises a movable connecting seat (71) arranged on the base (1), a movable connecting ball (72) in rolling fit connection with the movable connecting seat (71), a connecting support member (73) for connecting the movable connecting ball (72) and the air guide cylinder (2), and a locking member (74) for limiting the rolling of the movable connecting ball (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122084346.2U CN215633096U (en) | 2021-08-31 | 2021-08-31 | Compressed air-assisted spraying dust-settling device of development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122084346.2U CN215633096U (en) | 2021-08-31 | 2021-08-31 | Compressed air-assisted spraying dust-settling device of development machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633096U true CN215633096U (en) | 2022-01-25 |
Family
ID=79904941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122084346.2U Active CN215633096U (en) | 2021-08-31 | 2021-08-31 | Compressed air-assisted spraying dust-settling device of development machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633096U (en) |
-
2021
- 2021-08-31 CN CN202122084346.2U patent/CN215633096U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112974032B (en) | Fog gun machine | |
| CN101757825A (en) | Method and equipment for suppressing dust with dry mist | |
| CN103506233A (en) | Two-stage atomizing double fluid spraying device | |
| CN2756831Y (en) | Dust remover for driving face | |
| CN215633096U (en) | Compressed air-assisted spraying dust-settling device of development machine | |
| CN206027973U (en) | Crisscross liquid film supersonic speed gas atomizer | |
| CN213869874U (en) | External spraying equipment of tunneling machine | |
| CN111396117B (en) | Method for achieving dust settling through linkage of liquid nitrogen mist and fine water mist on fully mechanized excavation face | |
| CN106285673B (en) | A kind of swirl atomization device for reducing dust suitable for development machine | |
| CN111485934A (en) | Compressed air-assisted small-sized fog gun machine for underground coal mine | |
| CN111412011B (en) | Fine water mist and liquid nitrogen mist linkage system for preventing and treating dust on roadway driving face | |
| CN111734475B (en) | Method for cleaning coal dust at sealing section of gas extraction drill hole | |
| CN209976571U (en) | Dust fall ware with pneumatic pressure boost | |
| CN216866765U (en) | Universal regulation type injection classification air-water dust-settling fog curtain device of heading machine | |
| CN114151083B (en) | Air-compressing and low-pressure water-spraying air-water curtain dust settling device of coal mining machine | |
| CN115555595A (en) | Main shaft with multistage formula air curtain | |
| CN112855248B (en) | Combined type external spraying device of tunneling machine | |
| CN111097612A (en) | Atomizing dust device | |
| CN111097613A (en) | Atomizing dust device | |
| CN209959282U (en) | Mining dust exhausting fan | |
| CN2353940Y (en) | Low-pressure pneumatic continuous delivery pump | |
| CN209850707U (en) | Double-inlet high-pressure sand blasting gun | |
| CN212337352U (en) | Wind and water linkage fog gun device for mine | |
| CN107670924A (en) | A kind of fluid bed side-spraying device | |
| CN113685224A (en) | Supersonic dry-wet combined spiral bladeless dust collecting and removing system and dust removing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |