CN210665191U

CN210665191U - Sampling device for mine gas detection

Info

Publication number: CN210665191U
Application number: CN201921533652.6U
Authority: CN
Inventors: 范丽; 徐建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-02
Anticipated expiration: 2029-09-16

Abstract

The utility model provides a mine gas is sampling device for gas detection. Mine gas is sampling device for gaseous detection includes gas bomb, filtering mechanism and metering mechanism, the top fixed mounting of gas bomb has the gas cylinder of drawing, draw and install draught fan and air stop valve in the gas cylinder, filtering mechanism includes half arc cover, inlet port, taper neck pipe, mounting disc, ball hinge, filter, spring and backup pad, it has a plurality of evenly distributed's inlet port to open and shut on the half arc cover, and all installs the filter screen in each inlet port, the bottom fixed mounting of half arc cover has the taper neck pipe, and the inner wall fixed mounting that the taper neck pipe is close to the bottom has the mounting disc, the ball hinge is installed to the inner wall of taper neck pipe, installs the filter on the ball hinge, the one end fixed mounting of spring is on the mounting disc, and the other end fixed mounting of spring has the backup pad. The utility model provides a mine gas is sampling device for gas detection has the advantage of filter effect.

Description

Sampling device for mine gas detection

Technical Field

The utility model relates to a mine technical field especially relates to a mine gas detects uses sampling device.

Background

Because coal mine accidents are more and the number of dead people is more, the million-ton death rate of coal mines in China is always high. Especially, the frequent occurrence of serious coal mine and extra-large gas (coal dust) disaster accidents not only causes great loss of national property and citizen life, but also seriously affects the international reputation of China.

In fact, these gas accidents occur not accidentally, but in a concentrated exposure of problems that existed in the previous coal mine production process, involving many aspects. The method has the defects of natural factors, scientific and technological investment and research, artificial factors, national system, management and economic policies, traditional concept of society, cultural quality of coal mine enterprises and the like.

Furthermore, safety measures need to be taken in time to avoid accidents, but the sampler in the prior art has a large defect, so that a large amount of coal mine impurities are easily contained in the sampled gas to influence the detection result.

Therefore, it is necessary to provide a sampling device for detecting mine gas to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a mine gas detects and uses sampling device with filter effect.

The utility model provides a mine gas is sampling device for gas detection includes: the air storage device comprises an air storage bottle, wherein an air guide cylinder is fixedly arranged at the top of the air storage bottle, and an induced draft fan and an air stop valve which are vertically distributed are arranged in the air guide cylinder; the filter mechanism is arranged on the gas introducing cylinder and comprises a semi-arc cover, gas inlet holes, a conical neck pipe, a mounting disc, a ball hinge, a filter plate, a spring and a support plate, wherein the semi-arc cover is opened and closed with a plurality of uniformly distributed gas inlet holes, a filter screen is arranged in each air inlet, a conical neck pipe is fixedly arranged at the bottom of the half-arc cover, and the inner wall of the conical neck tube close to the bottom is fixedly provided with a mounting disc, the mounting disc is provided with a plurality of through cavities which are uniformly distributed at the position deviating from the circle center, and a filter screen is fixedly arranged in each through cavity, a plurality of spherical hinges which are arranged annularly are arranged on the inner wall of the conical neck pipe, and each ball hinge is provided with a filter plate, one end of the spring is fixedly arranged on the mounting plate, the other end of the spring is fixedly provided with a support plate, and the other end of each filter plate is in contact with the upper surface of the support plate; and the metering mechanism is arranged on the gas storage bottle.

Preferably, the filtering mechanism further comprises a threaded connecting pipe, and the threaded connecting pipe is fixedly arranged at the bottom of the conical neck pipe.

Preferably, metering mechanism includes mounting panel, water liquid pipe, disappointing pipe, lock valve and blast pipe, mounting panel fixed mounting is at the lateral wall of gas bomb, and fixed mounting has water liquid pipe on the mounting panel, water liquid pipe on install with the gas bomb on the exhaust interface fixed connection's the disappointing pipe, and fixed mounting has the lock valve on the disappointing pipe, water liquid pipe is last to install the blast pipe.

Preferably, the exhaust pipe is close to the bottom of the water pipe, and the air leakage pipe is close to the inner top wall of the water pipe.

Preferably, the bottom of the gas storage bottle is fixedly provided with a plurality of supporting legs which are uniformly distributed.

Preferably, the bottom of the gas storage bottle is fixedly provided with an air escape valve.

Preferably, a hand-held handle is fixedly mounted on the outer side wall of the air introducing cylinder.

Compared with the prior art, the utility model provides a mine gas sampling device for gaseous detection has following beneficial effect:

the utility model provides a mine gas is sampling device for gaseous detection, open the draught fan and make mine gas enter into the half arc cover through the inlet port on the half arc cover, filter screen through the inlet port on carries out first filtration to it, and after gaseous impact filter, the rotation takes place for another section of filter, consequently, the filter pushes down the spring of backup pad bottom, the filter effect of filter has consequently been strengthened to the vibration range of filter, after the gas in the gas bomb stores the certain degree, gas in the gas bomb enters into in the water liquid pipe through the snuffle pipe, make the intraductal atmospheric pressure of water liquid reinforcing, thereby the intraductal water liquid of water liquid passes through blast pipe discharge water pipe, consequently, the sampling personnel of being convenient for in time know the gas storage degree in the gas bomb, after the gas in the gas bomb stores and finishes, close the lock valve and only the pneumatic valve can.

Drawings

Fig. 1 is a schematic structural view of a sampling device for detecting mine gas according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the induced draft fan shown in FIG. 1;

fig. 3 is a schematic view of the filter mechanism shown in fig. 1.

Reference numbers in the figures: 1. the gas storage cylinder, 2, a gas introducing cylinder, 3, a draught fan, 4, an air stop valve, 5, a filtering mechanism, 51, a half-arc cover, 52, an air inlet hole, 53, a conical neck pipe, 54, a mounting disc, 55, a ball hinge, 56, a filter plate, 57, a spring, 58, a supporting plate, 59, a threaded connecting pipe, 6, a metering mechanism, 61, a mounting plate, 62, a water liquid pipe, 63, an air release pipe, 64, a locking valve, 65, an exhaust pipe, 7, an air release valve, 8, a supporting leg, 9 and a handheld handle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a sampling device for detecting mine gas according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural diagram of the induced draft fan shown in FIG. 1; fig. 3 is a schematic view of the filter mechanism shown in fig. 1. Mine gas detects uses sampling device includes: gas cylinder 1, filter mechanism 5 and metering mechanism 6, the top fixed mounting of gas cylinder 1 has air entrainment section of thick bamboo 2, install draught fan 3 and the gas check valve 4 that distribute from top to bottom in the air entrainment section of thick bamboo 2, filter mechanism 5 is installed on air entrainment section of thick bamboo 2, metering mechanism 6 installs on gas cylinder 1.

In the specific implementation process, as shown in fig. 1 and 3, the filtering mechanism 5 includes a half-arc cover 51, air inlets 52, a tapered neck tube 53, a mounting plate 54, a ball hinge 55, a filtering plate 56, a spring 57 and a supporting plate 58, the half-arc cover 51 is opened and closed with a plurality of evenly distributed air inlets 52, each air inlet 52 is internally provided with a filtering net, the bottom of the half-arc cover 51 is fixedly provided with the tapered neck tube 53, the inner wall of the tapered neck tube 53 close to the bottom is fixedly provided with the mounting plate 54, the mounting plate 54 is provided with a plurality of evenly distributed through cavities at the position deviating from the circle center, each through cavity is internally provided with the filtering net, the inner wall of the tapered neck tube 53 is provided with a plurality of annularly arranged ball hinges 55, each ball hinge 55 is provided with the filtering plate 56, one end of the spring 57 is fixedly mounted on the mounting plate 54, and the other end of the spring 57 is fixedly provided with the, the other end of each of the filter plates 56 is in contact with the upper surface of the support plate 58, and the filter mechanism 5 further comprises a threaded connection pipe 59, wherein the threaded connection pipe 59 is fixedly arranged at the bottom of the tapered neck pipe 53.

It should be noted that: place equipment in the well roof department of mine, through threaded connection pipe 59 thread fixed mounting at the top of gas cylinder 2, open draught fan 3 and make the mine gas gaseous through the inlet port 52 on the half arc cover 51 enter into in the half arc cover 51, filter screen through on the inlet port 52 carries out first filtration to it, and behind gas impact filter 56, another section of filter 56 takes place to rotate, consequently, the spring 57 of backup pad 58 bottom is pushed down to filter 56, the vibration range that has improved filter 56 has consequently strengthened the filter effect of filter 56, with the purity of sample gas in improving gas bomb 1.

Referring to fig. 1, metering mechanism 6 includes mounting panel 61, water pipe 62, disappointing pipe 63, lock valve 64 and blast pipe 65, mounting panel 61 fixed mounting is at the lateral wall of gas bomb 1, and fixed mounting has water pipe 62 on the mounting panel 61, install on the water pipe 62 with the gas bomb 1 on the exhaust interface fixed connection's disappointing pipe 63, and fixed mounting has lock valve 64 on disappointing pipe 63, install blast pipe 65 on the water pipe 62, wherein, blast pipe 65 is close to the bottom of water pipe 62, disappointing pipe 63 is close to the interior roof of water pipe 62.

It should be noted that: after the gas in the gas bomb 1 is stored to a certain degree, the gas in the gas bomb 1 enters into the water liquid pipe 62 through the gas escape pipe 63, so that the air pressure in the water liquid pipe 62 is enhanced, and the water liquid in the water liquid pipe 62 is discharged out of the water liquid pipe 62 through the exhaust pipe 65, so that the sampling personnel can conveniently know the gas storage degree in the gas bomb 1 in time, and after the gas in the gas bomb 1 is stored and finished, the locking valve 64 and the gas stop valve 4 are closed.

Referring to fig. 1, the bottom of the gas cylinder 1 is fixedly provided with a plurality of supporting legs 8 which are uniformly distributed, and the outer side wall of the gas cylinder is fixedly provided with a handle 9.

Referring to fig. 1, the bottom of the gas cylinder 1 is fixedly provided with a gas release valve 7, so that the sampled gas in the gas cylinder 1 can be conveniently taken out for detection.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a mine gas is sampling device for gas detection which characterized in that includes:

the gas storage device comprises a gas storage bottle (1), wherein a gas introducing cylinder (2) is fixedly installed at the top of the gas storage bottle (1), and a draught fan (3) and a gas stop valve (4) which are vertically distributed are installed in the gas introducing cylinder (2);

the filter mechanism (5), the filter mechanism (5) is installed on the air introducing cylinder (2), the filter mechanism (5) comprises a semi-arc cover (51), air inlet holes (52), a conical neck pipe (53), a mounting disc (54), a spherical hinge (55), a filter plate (56), a spring (57) and a support plate (58), the semi-arc cover (51) is opened and closed with a plurality of uniformly distributed air inlet holes (52), a filter screen is installed in each air inlet hole (52), the bottom of the semi-arc cover (51) is fixedly provided with the conical neck pipe (53), the inner wall of the conical neck pipe (53) close to the bottom is fixedly provided with the mounting disc (54), the mounting disc (54) is provided with a plurality of uniformly distributed through cavities deviating from the center of a circle, the filter screen is fixedly installed in each through cavity, the inner wall of the conical neck pipe (53) is provided with a plurality of spherical hinges (55) arranged in an annular shape, each ball hinge (55) is provided with a filter plate (56), one end of each spring (57) is fixedly arranged on the mounting plate (54), the other end of each spring (57) is fixedly provided with a support plate (58), and the other end of each filter plate (56) is contacted with the upper surface of the support plate (58);

the metering mechanism (6), metering mechanism (6) is installed on gas bomb (1).

2. The mine gas sampling device according to claim 1, wherein the filter mechanism (5) further comprises a threaded connection pipe (59), and the threaded connection pipe (59) is fixedly installed at the bottom of the tapered neck pipe (53).

3. The mine gas sampling device that detects of claim 1, characterized in that, metering mechanism (6) include mounting panel (61), water liquid pipe (62), disappointing pipe (63), lock valve (64) and blast pipe (65), mounting panel (61) fixed mounting is at the lateral wall of gas bomb (1), and fixed mounting has water liquid pipe (62) on mounting panel (61), install on water liquid pipe (62) with gas bomb (1) on exhaust interface fixed connection's disappointing pipe (63), and fixed mounting has lock valve (64) on disappointing pipe (63), install blast pipe (65) on water liquid pipe (62).

4. The mine gas sampling device according to claim 3, wherein the gas exhaust pipe (65) is near the bottom of the liquid pipe (62), and the gas release pipe (63) is near the inner top wall of the liquid pipe (62).

5. The sampling device for detecting mine gas according to claim 1, characterized in that a plurality of supporting legs (8) are fixedly arranged at the bottom of the gas storage cylinder (1) and are uniformly distributed.

6. The mine gas detection sampling device according to claim 1, characterized in that the bottom of the gas storage cylinder (1) is fixedly provided with a gas release valve (7).

7. The sampling device for mine gas detection according to claim 1, characterized in that a hand-held handle (9) is fixedly mounted on the outer side wall of the gas introducing cylinder (2).