CN217712644U - Ventilation device for coal mine gas control - Google Patents
Ventilation device for coal mine gas control Download PDFInfo
- Publication number
- CN217712644U CN217712644U CN202222194175.3U CN202222194175U CN217712644U CN 217712644 U CN217712644 U CN 217712644U CN 202222194175 U CN202222194175 U CN 202222194175U CN 217712644 U CN217712644 U CN 217712644U
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- Prior art keywords
- dust
- box body
- shaped pipe
- cloth bag
- pipe
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- 238000009423 ventilation Methods 0.000 title claims abstract description 26
- 239000003245 coal Substances 0.000 title claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 130
- 239000004744 fabric Substances 0.000 claims abstract description 81
- 239000000843 powder Substances 0.000 claims description 36
- 239000002245 particle Substances 0.000 claims description 18
- 238000001914 filtration Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a ventilation device for coal mine gas prevention, which comprises a powerful exhaust fan, wherein a flow equalizing conveying cylinder body is connected to the powerful exhaust fan; the flow equalizing conveying cylinder is connected with a flow collecting hopper body; the collecting hopper body is connected with a swirler; the cyclone is connected with a delivery pipe; the conveying pipe is connected with a first L-shaped pipe; the first L-shaped pipe extends into the first dust removal box body; the first L-shaped pipe is in threaded connection with a first dust collecting cloth bag; the first dust removal box body is connected with a first airflow discharge pipe tower; the lower end of the cyclone is connected with a dust box body. The utility model discloses filter, remove dust for the first time gas, lighten pressure for subsequent process, avoid influencing subsequent work, it is efficient, effectual to gaseous filtration edulcoration.
Description
Technical Field
The utility model relates to a ventilation field, in particular to ventilation unit is used in colliery gas prevention and cure.
Background
The coal mine is a region where people mine coal resources in a coal-rich mining area, gas is an initial stage of ancient plants accumulating coal, cellulose and organic matters are decomposed under the action of anaerobic bacteria, and the gas cannot be breathed by the people in the coal mining process, so that the gas belongs to harmful gas under the mine, and is necessary for ventilation of the coal mine gas, and coal dust and other solid particles in the coal mine are carried in the ventilation process.
Patent publication No. CN213684199U a ventilation unit for coal mine gas prevention and cure's utility model patent, the power distribution box comprises a box body, the inner chamber of box is provided with the support frame, the center of support frame is provided with fixed connection's motor, the motor shaft of motor is provided with the flabellum that the transmission is connected, the right side terminal surface of box is provided with flange joint's intercommunication pipeline, the right side terminal surface of intercommunication pipeline is provided with flange joint's conversion pipeline, the right side terminal surface of conversion pipeline is provided with flange joint's admission line, the right side of admission line is provided with a jar body, the admission line runs through the inner chamber of jar body to jar body, and this novel transport barrel that does not set up flow equalizes does not have and carries out the primary filtration to gas, to subsequent spare part production pressure, leads to directly using first dust to collect sack, powder collection sack, second dust to collect the sack and directly carry out dust, the powder to filter to gas, leads to block up first dust and collect the sack, collects the sack, second dust, the second dust collection sack, and collect the sack, the problem that the edulcoration effect is poor to gas collection sack is collected the edulcoration to first dust.
Therefore, the ventilation device for coal mine gas control needs to be designed, wherein the ventilation device is used for primarily filtering and removing dust of gas, reducing pressure for subsequent processes, avoiding influencing subsequent work, and having high efficiency and good filtering and impurity removing effects on gas.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ventilation unit is used in colliery gas prevention and cure can solve the problem that mentions in the background art.
The utility model provides a ventilation device for coal mine gas prevention, which comprises a powerful exhaust fan, wherein a flow equalizing conveying cylinder body is connected to the powerful exhaust fan; the flow equalizing conveying cylinder is connected with a flow collecting hopper body; the collecting hopper body is connected with a swirler; the cyclone is connected with a delivery pipe; the conveying pipe is connected with a first L-shaped pipe; the first L-shaped pipe extends into the first dust removal box body; the first L-shaped pipe is in threaded connection with a first dust collecting cloth bag; the first dust removal box body is connected with a first airflow discharge pipe tower; the lower end of the cyclone is connected with a dust box body; the dust-collecting box body is connected with a second L-shaped pipe; the second L-shaped pipe extends into the second dust removal box body; the second L-shaped pipe is in threaded connection with a powder particle collecting cloth bag; a third L-shaped pipe is connected to the second dust removal box body; the third L-shaped pipe extends into the third dust removal box body; a second dust collecting cloth bag is connected to the third L-shaped pipe in a threaded manner; and the third dust removal box body is connected with a second airflow discharge pipe tower.
Preferably, a first flow distribution grid plate, a second flow distribution grid plate and a third flow distribution grid plate are arranged in the flow equalization conveying cylinder; the meshes of the first flow distribution grid plate are larger than those of the second flow distribution grid plate; the meshes of the second flow distribution grid plate are larger than those of the third flow distribution grid plate; be provided with first cloth flow grid plate, second cloth flow grid plate and third cloth flow grid plate and carry out homogeneity, filtration to the gas that powerful air exhauster inhaled, avoid absorbing the gas and directly use first dust to collect sack, powder to collect sack, second dust and collect the sack and filter, and lead to first dust to collect the jam of sack, powder collection sack, second dust collection sack, and the influence is to gaseous filter effect.
Preferably, the first dust collecting cloth bag, the powder particle collecting cloth bag and the second dust collecting cloth bag are respectively fixed with a limiting mounting ring; an internal thread interface is arranged on the limiting mounting ring; all be threaded connection, when first dust is collected sack, powder and collect sack, second dust and collect the sack and collect the full dust, be convenient for collect sack, powder and collect sack, second dust and collect the sack and change first dust and collect the sack, the powder is collected the sack, the second dust is collected the sack and is collected the full dust, the influence is collected the filtration of dust to first dust.
Preferably, the first L-shaped pipe, the second L-shaped pipe and the third L-shaped pipe are respectively connected with an external thread connecting pipe for being in threaded connection with the internal thread interface; the first dust collecting cloth bag, the powder collecting cloth bag and the second dust collecting cloth bag can be conveniently replaced.
Preferably, the first dust removal box body, the second dust removal box body and the third dust removal box body are respectively provided with an access door which can be opened to expose the first dust collection cloth bag, the powder collection cloth bag and the second dust collection cloth bag, so that the first dust collection cloth bag, the powder collection cloth bag and the second dust collection cloth bag can be conveniently replaced.
The utility model provides a beneficial effect:
1. this ventilation unit is used in colliery gas control, owing to be provided with first cloth flow grid plate, second cloth flow grid plate and third cloth flow grid plate, carry out the primary to gas and filter, remove dust, lighten pressure for subsequent process, avoid gaseous direct use first dust to collect the sack, the sack is collected to the powder and the sack is collected to the second dust, lead to the dust, the powder directly blocks up first dust and collects the sack, the sack is collected to the powder and the sack is collected to the second dust, influence the work of process, and is inefficient.
2. According to the ventilation device for preventing and treating the coal mine gas, the first L-shaped pipe, the second L-shaped pipe and the third L-shaped pipe are respectively connected with an external thread connecting pipe which is in threaded connection with the internal thread connector; the first dust collecting cloth bag, the powder particle collecting cloth bag and the second dust collecting cloth bag are convenient to replace; when the first dust collecting cloth bag, the powder particle collecting cloth bag and the second dust collecting cloth bag are full of impurities such as dust, the first dust collecting cloth bag, the powder particle collecting cloth bag and the second dust collecting cloth bag can be replaced, the subsequent filtration of the impurities such as dust is prevented from being influenced, and the effect of filtering and removing impurities of gas is good.
Drawings
Fig. 1 is a first schematic structural view of a ventilation device for coal mine gas control provided by the present invention;
fig. 2 is a schematic structural view of a ventilation device for coal mine gas control provided by the utility model II;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic structural view of a powder particle collecting cloth bag of the ventilation device for coal mine gas control provided by the utility model;
fig. 5 is the utility model provides a pair of colliery is swirler structure sketch map of ventilation unit for gas control.
Description of the reference numerals: 1-strong exhaust fan; 2-flow equalizing conveying cylinder; 21-a first flow grid plate; 22-a second flow grid plate; 23-a third flow grid plate; 3-collecting hopper body; 4-a swirler; 5-a conveying pipe; 6-a first dust removal box body; 7-a first gas stream take-off tube column; 8-dust box body; 9-a first L-shaped tube; 10-a second dust removal box body; 11-a third dust removal box body; 12-a second L-shaped tube; 13-a third L-shaped tube; 14-a second gas stream take-off pipe column; 15-a first dust collection cloth bag; 16-powder particle collection cloth bag; 17-a second dust collection cloth bag; 18-externally threaded nipple; 19-a limit mounting ring; 20-female threaded interface.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1 to 5, an embodiment of the present invention provides a ventilation device for coal mine gas control, including a powerful air exhauster 1, a flow-equalizing conveying cylinder 2, a first flow-equalizing grid plate 21, a second flow-equalizing grid plate 22, a third flow-equalizing grid plate 23, a flow-collecting hopper body 3, a cyclone 4, a conveying pipe 5, a first dust-collecting box body 6, a first airflow exhaust pipe tower 7, a dust-collecting box body 8, a first L-shaped pipe 9, a second dust-collecting box body 10, a third dust-collecting box body 11, a second L-shaped pipe 12, a third L-shaped pipe 13, a second airflow exhaust pipe tower 14, a first dust-collecting cloth bag 15, a powder-collecting cloth bag 16, a second dust-collecting cloth bag 17, an external screwed pipe 18, a limiting mounting ring 19, and an internal threaded interface 20, wherein the flow-equalizing conveying cylinder 2 is connected to the powerful air exhauster 1; the flow equalizing conveying cylinder 2 is connected with a flow collecting hopper body 3; the collecting hopper body 3 is connected with a swirler 4; the cyclone 4 is connected with a delivery pipe 5; a first L-shaped pipe 9 is connected to the conveying pipe 5; the first L-shaped pipe 9 extends into the first dust removing box body 6; the first L-shaped pipe 9 is in threaded connection with a first dust collecting cloth bag 15; the first dust removal box body 6 is connected with a first airflow discharge pipe tower 7; the lower end of the cyclone 4 is connected with a dust box body 8; the dust box body 8 is connected with a second L-shaped pipe 12; the second L-shaped pipe 12 extends into the second dust removal box body 10; the second L-shaped pipe 12 is in threaded connection with a powder particle collecting cloth bag 16; a third L-shaped pipe 13 is connected to the second dust removal box body 10; the third L-shaped pipe 13 extends into the third dust removing box body 11; a second dust collecting cloth bag 17 is connected to the third L-shaped pipe 13 through threads; and a second airflow discharge pipe tower 14 is connected to the third dust removal box body 11.
Preferably, a first flow distribution grid plate 21, a second flow distribution grid plate 22 and a third flow distribution grid plate 23 are arranged inside the flow equalizing conveying cylinder 2; the meshes of the first flow distribution grid plate 21 are larger than those of the second flow distribution grid plate 22; the meshes of the second flow distribution grid plate 22 are larger than those of the third flow distribution grid plate 23; the first flow distribution grid plate 21, the second flow distribution grid plate 22 and the third flow distribution grid plate 23 are arranged to homogenize and filter the gas sucked by the powerful exhaust fan 1, so that the situation that the gas sucked by the powerful exhaust fan is directly filtered by the first dust collecting cloth bag 15, the powder collecting cloth bag 16 and the second dust collecting cloth bag 17 to cause blockage of the first dust collecting cloth bag 15, the powder collecting cloth bag 16 and the second dust collecting cloth bag 17 and influence the filtering effect on the gas is avoided.
Preferably, the first dust collecting cloth bag 15, the powder collecting cloth bag 16 and the second dust collecting cloth bag 17 are respectively fixed with a limiting mounting ring 19; the limiting mounting ring 19 is provided with an internal thread interface 20; all be threaded connection, when first dust is collected sack 15, powder and is collected sack 16, second dust and collect sack 17 and collect the dust, be convenient for collect sack 15, powder and collect sack 16, second dust and collect sack 17 change down first dust, avoid first dust to collect sack 15, powder and collect sack 16, second dust and collect sack 17 and collect the dust, influence the filtration of dust.
Preferably, the first L-shaped pipe 9, the second L-shaped pipe 12 and the third L-shaped pipe 13 are respectively connected with an external threaded connection pipe 18 for being in threaded connection with an internal threaded interface 20; the first dust collecting cloth bag 15, the powder collecting cloth bag 16 and the second dust collecting cloth bag 17 can be replaced conveniently.
Preferably, the first dust-removing box body 6, the second dust-removing box body 10 and the third dust-removing box body 11 are respectively provided with an access door which can be opened to expose the first dust-collecting cloth bag 15, the powder-collecting cloth bag 16 and the second dust-collecting cloth bag 17, so that the first dust-collecting cloth bag 15, the powder-collecting cloth bag 16 and the second dust-collecting cloth bag 17 can be conveniently replaced.
The working principle is as follows: starting a powerful exhaust fan 1, absorbing gas in a coal mine into a flow equalizing conveying cylinder 2, sequentially using a first flow distribution grid plate 21, a second flow distribution grid plate 22 and a third flow distribution grid plate 23 to filter and homogenize the gas absorbed by the powerful exhaust fan 1, primarily removing dust of the absorbed gas to reduce the pressure of subsequent processes, enabling the primarily filtered gas to enter a cyclone 4 through a flow collecting hopper body 3, introducing light dust impurities in the gas into a conveying pipe 5 through an internal vortex flow in the cyclone 4, entering a first dust collecting cloth bag 15 through a first L-shaped pipe 9, filtering the dust impurities, and then discharging the heavy impurities into a dust accumulation box body 8 through a first gas flow discharging pipe tower 7 discharging device, and enabling the internal vortex flow and the external vortex flow in the cyclone 4; the dust particles and impurities such as dust particles and dust contained in the dust collecting box body 8 are filtered through the second L-shaped pipe 12 and the dust particle collecting cloth bag 16, and then the gas filtered by the dust particle collecting cloth bag 16 enters the second dust collecting cloth bag 17 through the third L-shaped pipe 13; and filtering and removing impurities again for small impurities such as dust contained in the gas, and finally discharging the gas out of the device through a second gas flow discharge pipe tower 14.
The technical effects are as follows: this ventilation unit is used in colliery gas control, owing to be provided with first cloth flow grid plate 21, second cloth flow grid plate 22 and third cloth flow grid plate 23, carry out first filtration, remove dust to gaseous, lighten pressure for subsequent process, avoid gaseous direct use first dust to collect sack 15, the sack is collected to the powder 16 and the sack 17 is collected to the second dust filters gaseous, lead to the dust, the powder directly blocks up first dust and collects sack 15, the sack is collected to the powder 16 and the sack 17 is collected to the second dust, influence the work of process, the inefficiency. In the ventilation device for preventing and treating coal mine gas, the first L-shaped pipe 9, the second L-shaped pipe 12 and the third L-shaped pipe 13 are respectively connected with an external thread connecting pipe 18 which is in threaded connection with an internal thread connector 20; the first dust collecting cloth bag 15, the powder particle collecting cloth bag 16 and the second dust collecting cloth bag 17 are convenient to replace; when the first dust collecting cloth bag 15, the powder particle collecting cloth bag 16 and the second dust collecting cloth bag 17 are filled with impurities such as dust, the first dust collecting cloth bag 15, the powder particle collecting cloth bag 16 and the second dust collecting cloth bag 17 can be replaced, the subsequent filtration of the impurities such as dust is prevented from being influenced, and the effect of filtering and removing impurities of gas is good.
The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a ventilation unit is used in colliery gas control which characterized in that: the device comprises a powerful exhaust fan (1), wherein a flow equalizing conveying cylinder body (2) is connected to the powerful exhaust fan (1); the flow equalizing conveying cylinder (2) is connected with a flow collecting hopper body (3); the collecting hopper body (3) is connected with a swirler (4); the cyclone (4) is connected with a conveying pipe (5); the conveying pipe (5) is connected with a first L-shaped pipe (9); the first L-shaped pipe (9) extends into the first dust removal box body (6); the first L-shaped pipe (9) is in threaded connection with a first dust collecting cloth bag (15); the first dust removal box body (6) is connected with a first airflow discharge pipe tower (7); the lower end of the cyclone (4) is connected with a dust box body (8); the dust-collecting box body (8) is connected with a second L-shaped pipe (12); the second L-shaped pipe (12) extends into the second dedusting box body (10); a powder particle collecting cloth bag (16) is connected to the second L-shaped pipe (12) through threads; a third L-shaped pipe (13) is connected to the second dust removal box body (10); the third L-shaped pipe (13) extends into the third dust removal box body (11); a second dust collecting cloth bag (17) is connected to the third L-shaped pipe (13) through threads; and a second airflow discharge pipe tower (14) is connected to the third dust removal box body (11).
2. The ventilation device for coal mine gas control according to claim 1, characterized in that a first flow distribution grid plate (21), a second flow distribution grid plate (22) and a third flow distribution grid plate (23) are arranged in the flow equalizing conveying cylinder (2); the meshes of the first flow distribution grid plate (21) are larger than those of the second flow distribution grid plate (22); the meshes of the second flow distribution grid plate (22) are larger than the meshes of the third flow distribution grid plate (23).
3. The ventilation device for coal mine gas control as recited in claim 1, wherein a limit mounting ring (19) is fixed on each of said first dust collection cloth bag (15), said powder particle collection cloth bag (16) and said second dust collection cloth bag (17); an internal thread interface (20) is arranged on the limiting mounting ring (19).
4. The ventilation device for coal mine gas control according to claim 1, wherein the first L-shaped pipe (9), the second L-shaped pipe (12) and the third L-shaped pipe (13) are respectively connected with an external thread connecting pipe (18) for being in threaded connection with an internal thread connector (20).
5. The ventilation device for coal mine gas control according to claim 1, wherein the first dust-removing box body (6), the second dust-removing box body (10) and the third dust-removing box body (11) are respectively provided with an access door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222194175.3U CN217712644U (en) | 2022-08-20 | 2022-08-20 | Ventilation device for coal mine gas control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222194175.3U CN217712644U (en) | 2022-08-20 | 2022-08-20 | Ventilation device for coal mine gas control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217712644U true CN217712644U (en) | 2022-11-01 |
Family
ID=83786260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222194175.3U Expired - Fee Related CN217712644U (en) | 2022-08-20 | 2022-08-20 | Ventilation device for coal mine gas control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217712644U (en) |
-
2022
- 2022-08-20 CN CN202222194175.3U patent/CN217712644U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |