阅读说明：本技术 快速平衡液面并准确读数的瓦斯解吸装置及其测试方法 (The desorption of mash gas device and its test method of Fast-Balance liquid level and accurate reading ) 是由 刘军 王立国 杨通 安丰华 贾宏福 张露伟 袁军伟 李宁 于 2019-08-26 设计创作，主要内容包括：快速平衡液面并准确读数的瓦斯解吸装置及其的测试方法,包括瓦斯解吸仪和煤样罐,还包括三脚架和三通阀,三脚架的顶部设有支撑平台,瓦斯解吸仪垂直设置在支撑平台上,瓦斯解吸仪的底座上部设置有水准泡,瓦斯解吸仪的底座侧部设置有加水口和排水孔,加水口处设有塞子,三通阀具有第一接口、第二接口和第三接口,三通阀的第一接口通过第一橡胶导管与煤样罐连接,三通阀的第二接口通过第二橡胶导管与瓦斯解吸仪的量筒底部连接,三通阀的第三接口连接有单向阀。本发明原理科学、结构简单、操作方便,可快速使得液面静置、水平；防止出现“憋气”现象而引起对瓦斯解吸速率产生的影响；读取数据过程快速、准确。(The desorption of mash gas device of Fast-Balance liquid level and accurate reading and its test method, including desorption of mash gas instrument and coal sample tank, it further include tripod and triple valve, the top of tripod is equipped with support platform, desorption of mash gas instrument is vertically set in support platform, the pedestal top of desorption of mash gas instrument is provided with air level, the pedestal side of desorption of mash gas instrument is provided with filler and drainage hole, plug is equipped at filler, triple valve has first interface, second interface and third interface, the first interface of triple valve is connect by the first rubber catheter with coal sample tank, the second interface of triple valve is connect by the second rubber catheter with the graduated cylinder bottom of desorption of mash gas instrument, the third interface of triple valve is connected with check valve.Principle of the invention science, structure are simple and convenient to operate, and can quickly make liquid level stand, is horizontal；It prevents " feeling suffocated " phenomenon and causes the influence generated to desorption of mash gas rate；Read data procedures quickly, accurately.)

1. the desorption of mash gas device of Fast-Balance liquid level and accurate reading, including desorption of mash gas instrument and coal sample tank, it is characterised in that: It further include tripod and triple valve, the top of tripod is equipped with support platform, and desorption of mash gas instrument is vertically set in support platform, The pedestal top of desorption of mash gas instrument is provided with air level, and the pedestal side of desorption of mash gas instrument is provided with filler and drainage hole, adds Plug is equipped at the mouth of a river, triple valve has first interface, second interface and third interface, and the first interface of triple valve passes through first Rubber catheter is connect with coal sample tank, and the second interface of triple valve is connected by the graduated cylinder bottom of the second rubber catheter and desorption of mash gas instrument It connects, the third interface of triple valve is connected with check valve.

2. the desorption of mash gas device of Fast-Balance liquid level according to claim 1 and accurate reading, it is characterised in that: first The import of rubber catheter is provided with piercing needle, and piercing needle is pierced into coal sample tank.

3. the desorption of mash gas device of Fast-Balance liquid level according to claim 2 and accurate reading, it is characterised in that: gas Water is loaded with inside the graduated cylinder of desorption instrument, floating has lightweight, the bead containing fluorescent liquid on the water surface.

4. the desorption of mash gas device of Fast-Balance liquid level according to claim 3 and accurate reading, it is characterised in that: gas The graduated cylinder outer cover of desorption instrument is equipped with shading sleeve, has frictional force, shading sleeve middle part between the inner ring and graduated cylinder outer circle of shading sleeve The peep hole of a strip is offered in the horizontal direction.

5. using the test method of Fast-Balance liquid level as claimed in claim 4 and the desorption of mash gas device of accurate reading, It is characterized in that: the following steps are included:

A, plug is extracted, water is filled into the graduated cylinder of desorption of mash gas instrument by filler, at the same by lightweight, containing the small of fluorescent liquid Ball into the water, is reinstalled plug and tightened by filler；

B, tripod is opened, desorption of mash gas instrument is inverted, i.e., downward, the lower end of desorption of mash gas instrument is placed on three feet for one end of plug In the support platform of top of the trellis；

C, the adjusting nut on tripod is rotated, and watches air level attentively, when so that the bubble in air level being transferred to middle position, i.e., The graduated cylinder of desorption of mash gas instrument is in plumbness, and tightening adjusting nut fixes tripod；

D, after the water surface in the graduated cylinder of desorption of mash gas instrument is stood, lightweight, the bead containing fluorescent liquid are located at the lowest part in liquid level center；

E, swivel tee valve to first interface and third orifice state；

F, piercing needle is pierced into coal sample tank, so that coal sample tank is communicated with the atmosphere by the first rubber catheter and check valve, coal sample The gas overflowed in tank is overflowed by check valve, in this way it is avoided that feeling suffocated in coal sample tank；

G, the shading sleeve outside the graduated cylinder of mobile desorption of mash gas instrument reads lightweight by peep hole, contains fluorescent liquid to liquid level position Bead where at liquid level scale and record initial reading；

H, the state that swivel tee valve is connected to first interface with second interface, the gas overflowed in coal sample tank pass through the first rubber Glue conduit and the second rubber catheter enter in the graduated cylinder of desorption of mash gas instrument, and the water in graduated cylinder at desorption of mash gas instrument bottom by draining Hole discharge reads liquid level by the liquid level scale at where peep hole lightweight, the bead containing fluorescent liquid by mobile shading sleeve Variable quantity obtains desorption of mash gas amount；Timing is carried out using stopwatch, obtains desorption of mash gas rate.

Technical field

The invention belongs to Safety of Coal Mine Production technical fields, and in particular to watt of a kind of Fast-Balance liquid level and accurate reading This desorption apparatus and its test method.

Background technique

Coal seam gas-bearing capacity and coal-bed gas pressure are two important basic parameters of coal-bed gas, in Coal Outburst danger Property prediction and carry out gas pumping effect inspection etc. and play a significant role.Especially carrying out gas pressure measurement process In, due to the influence of the factors such as the geological conditions in coal seam itself, the mode of sealing of hole and effect, so that the data of measurement and practical coal Layer gas pressure differs data that are larger or can not measuring gas pressure；It therefore, can only be by measuring coal seam gas-bearing capacity, benefit It is pushed away with the relationship between coal-bed gas pressure and content is counter, to obtain the parameter of gas pressure, therefore, coal-bed gas contains The measurement of amount is most important.

In the continuous mode that underground coal mine carries out coal seam gas-bearing capacity, desorption of mash gas instrument is an essential instrument Device, principle are: desorption of mash gas rate are measured using drainage, the free gas gas displacement desorbed in coal sample tank Water column in graduated cylinder out, by reading the water column reduction amount (as desorption of mash gas rate) in the unit time in graduated cylinder.Carry out Reading process has the following problems:

1) existing desorption of mash gas instrument in underground in use, using underslung mode, the coal wall that is generally suspended near drill site Or on the wire netting of palisades, wall surface be not it is smooth, suspension when desorption instrument may be made to rest on wall surface, then can generate A degree of inclination, so that liquid level and the graduation mark on graduated cylinder are not parallel, to influence reading accuracy；

If 2) desorption of mash gas instrument does not contact the wall surface of coal wall or palisades during suspension, the wind present in tunnel flows through When big, so that desorption of mash gas instrument is generated shaking, cause liquid level that can not stand, to influence the accurate reading to liquid level；

3) existing desorption of mash gas instrument is carrying out the water column scale reading in graduated cylinder in underground in use, since down-hole light is poor When it is relatively elaborate time-consuming；Meanwhile gas carries out the water in displacement graduated cylinder by drainage, then the liquid level moment in graduated cylinder is becoming Change, the observation position of observer is needed with change, and the variability of observation angle and independence are larger, to influence record knot Fruit；

4) during tightening coal sample tank, gas is to desorb always, occurs " feeling suffocated " phenomenon in coal sample tank, in progress watt During this gas drains, due to the release of pressure, initial displacement is greater than the desorption quantity under the natural conditions of underground, thus right The calculating of later period gas bearing capacity produces bigger effect.

Summary of the invention

The present invention provides watt of a kind of Fast-Balance liquid level and accurate reading to solve shortcoming in the prior art This desorption apparatus and its test method, to solve the prior art there are the inclination of desorption of mash gas instrument liquid level or due to underground wind speed mistake Desorption instrument is caused constantly to shake greatly；Desorption of mash gas instrument observation angle randomness, independence are larger and reading data are slower, and go out It is larger to lead to the problem of error for test process caused by existing " feeling suffocated " phenomenon.

In order to solve the above technical problems, the present invention adopts the following technical scheme: watt of Fast-Balance liquid level and accurate reading This desorption apparatus, including desorption of mash gas instrument and coal sample tank further include tripod and triple valve, and it is flat that the top of tripod is equipped with support Platform, desorption of mash gas instrument are vertically set in support platform, and the pedestal top of desorption of mash gas instrument is provided with air level, desorption of mash gas instrument Pedestal side be provided with filler and drainage hole, be equipped with plug at filler, triple valve have first interface, second interface and Third interface, the first interface of triple valve are connect by the first rubber catheter with coal sample tank, and the second interface of triple valve passes through the Two rubber catheters are connect with the graduated cylinder bottom of desorption of mash gas instrument, and the third interface of triple valve is connected with check valve.

The import of first rubber catheter is provided with piercing needle, and piercing needle is pierced into coal sample tank.

Water is loaded with inside the graduated cylinder of desorption of mash gas instrument, floating has lightweight, the bead containing fluorescent liquid on the water surface.

The graduated cylinder outer cover of desorption of mash gas instrument is equipped with shading sleeve, has friction between the inner ring and graduated cylinder outer circle of shading sleeve Power, shading sleeve middle part offer the peep hole of a strip in the horizontal direction.

The test method of the desorption of mash gas device of Fast-Balance liquid level and accurate reading, comprising the following steps:

A, plug is extracted, water is filled into the graduated cylinder of desorption of mash gas instrument by filler, at the same by lightweight, containing the small of fluorescent liquid Ball into the water, is reinstalled plug and tightened by filler；

B, tripod is opened, desorption of mash gas instrument is inverted, i.e., downward, the lower end of desorption of mash gas instrument is placed on three feet for one end of plug In the support platform of top of the trellis；

C, the adjusting nut on tripod is rotated, and watches air level attentively, when so that the bubble in air level being transferred to middle position, i.e., The graduated cylinder of desorption of mash gas instrument is in plumbness, and tightening adjusting nut fixes tripod；

D, after the water surface in the graduated cylinder of desorption of mash gas instrument is stood, lightweight, the bead containing fluorescent liquid are located at the lowest part in liquid level center；

E, swivel tee valve to first interface and third orifice state；

F, piercing needle is pierced into coal sample tank, so that coal sample tank is communicated with the atmosphere by the first rubber catheter and check valve, coal sample The gas overflowed in tank is overflowed by check valve, in this way it is avoided that feeling suffocated in coal sample tank；

G, the shading sleeve outside the graduated cylinder of mobile desorption of mash gas instrument reads lightweight by peep hole, contains fluorescent liquid to liquid level position Bead where at liquid level scale and record initial reading；

H, the state that swivel tee valve is connected to first interface with second interface, the gas overflowed in coal sample tank pass through the first rubber Glue conduit and the second rubber catheter enter in the graduated cylinder of desorption of mash gas instrument, and the water in graduated cylinder at desorption of mash gas instrument bottom by draining Hole discharge reads liquid level by the liquid level scale at where peep hole lightweight, the bead containing fluorescent liquid by mobile shading sleeve Variable quantity obtains desorption of mash gas amount；Timing is carried out using stopwatch, obtains desorption of mash gas rate.

By adopting the above technical scheme, compared with prior art, the present invention is by installing level in the lower part of desorption of mash gas instrument Bubble, and the length by adjusting the tripod under desorption of mash gas instrument pedestal, so that bubble is in central location in air level, i.e., watt The graduated cylinder of this solution analyzer is in plumbness, and the liquid level in graduated cylinder is in horizontality；

The present invention is adjusted desorption of mash gas instrument by the way that tripod is arranged, and the requirement to measurement place reduces.By desorption of mash gas The tripod of instrument pedestal is opened, and is put on the ground and horizontal position is adjusted, the liquid level stabilizing time is short, then can directly carry out gas The measurement of desorption rate.Can avoid following problems caused by desorption instrument suspension in the sky: 1) desorption instrument hung does not contact solid When body wall face, if wind speed is excessive, then desorption instrument can be caused to shake, liquid level cannot be stablized in the short time, be unfavorable in regulation The interior reading to liquid level；2) when the desorption of mash gas instrument hung touches solid wall surface, the liquid level in graduated cylinder can quickly tend to Stablize, since desorption of mash gas instrument rests on wall surface, may cause graduated cylinder and generate a degree of inclination, influence to read result Accuracy.

The present invention passes through the bar shaped in shading sleeve center by installing the shading sleeve that can move freely among desorption of mash gas instrument The lowest part of liquid level and the scale on the outside of reading graduated cylinder, read in data procedures, quickly, accurately in peep hole observation graduated cylinder； It can avoid taking a long time during observer reads scale, the fluid change amount of reading is not the desorption quantity of unit time, thus Influence the records of values of desorption of mash gas rate.

The present invention by being placed with lightweight inside desorption of mash gas instrument, containing the bead of fluorescent liquid.Under conditions of down-hole light difference, Bead exhales faint green light, and observer can fast move the approximate location of barn door to liquid level, and fine tuning can be accurate later Read liquid level scale.It can avoid because down-hole light is poor, it is too long to liquid level observation and read access time, to influence the record of data.

The present invention is by being equipped with triple valve between the first rubber catheter and the second rubber catheter.By triple valve rotate to On the one hand the state of first interface and third orifice can prevent the outflow of water in graduated cylinder, influence water column in initial graduated cylinder The reading of volume and record；On the other hand, it is ensured that gas pressure is identical with down-hole pressure in coal sample tank, avoids " feeling suffocated " existing The appearance of elephant.

The present invention on triple valve by being equipped with check valve.After check valve is installed, only allow the gas in coal sample tank It is discharged by triple valve into underground air, and underground air cannot be introduced into triple valve.The working principle of check valve: when coal sample tank In gas pressure be greater than underground atmospheric pressure when, spool is rushed to open, gas can through triple valve, from coal sample tank come out, can avoid The appearance of " feeling suffocated " phenomenon；With the release of gas, the gas pressure in coal sample tank constantly declines, when the gas pressure in coal sample tank When power is equal to underground atmospheric pressure, internal and external pressure difference zero, spool can not be rushed to open, and check valve is inside and outside to circulate without gas；When When gas pressure in coal sample tank is less than underground atmospheric pressure, spool can not equally be opened, and check valve is inside and outside to circulate without gas, Avoidable underground air is mixed into triple valve and coal sample tank, influences the result of desorption of mash gas.

In conclusion by the adjusting nut on three supporting legs on rotation tripod, so that air level is in horizontal rest State avoids the appearance of liquid level injustice, slosh phenomenon that suspension method occurs, can quickly make liquid level stand, is horizontal； It can ensure that and taking in coal sample to the section for tightening coal sample tank, the gas pressure in coal sample tank is identical with down-hole pressure, prevents out Existing " feeling suffocated " phenomenon, and cause the influence generated to desorption of mash gas rate；It can by being installed outside the graduated cylinder of desorption of mash gas instrument It moves freely and shading sleeve outside graduated cylinder can be fixed on by external force, while being placed with inside the graduated cylinder of desorption of mash gas instrument light Matter, the bead containing fluorescent liquid.Under conditions of down-hole light difference, lightweight, the bead containing fluorescent liquid exhale faint green light, see Survey person can fast move the approximate location of shading sleeve to liquid level, then be finely adjusted, and be observed by the observation hole in shading sleeve center The lowest part of liquid level in graduated cylinder, it is accurate to read liquid level scale, read data procedures quickly, accurately.

Detailed description of the invention

Fig. 1 is overall structure diagram of the invention；

Fig. 2 is the main view that scale is read out by shading sleeve；

Fig. 3 is A-A cross-sectional view in Fig. 2；

Fig. 4 is structural schematic diagram of triple valve in the state of first interface and third orifice；

Fig. 5 is structural schematic diagram of triple valve in the state that first interface is connected to second interface.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.

As Figure 1-Figure 5, the desorption of mash gas device of Fast-Balance liquid level of the invention and accurate reading, including gas solution Instrument 1, coal sample tank 2, tripod 3 and triple valve 4 are inhaled, the top of tripod 3 is equipped with support platform, and desorption of mash gas instrument 1 is vertically arranged In support platform, the pedestal top of desorption of mash gas instrument 1 is provided with air level 5, and the pedestal side of desorption of mash gas instrument 1, which is provided with, to be added The mouth of a river and drainage hole 7, are equipped with plug 6 at filler, and triple valve 4 has first interface 8, second interface 9 and a third interface 10, and three The first interface 8 of port valve 4 is connect by the first rubber catheter 11 with coal sample tank 2, and the second interface 9 of triple valve 4 passes through the second rubber Glue conduit 12 is connect with 17 bottom of graduated cylinder of desorption of mash gas instrument 1, and the third interface 10 of triple valve 4 is connected with check valve 13.

The import of first rubber catheter 11 is provided with piercing needle, and piercing needle is pierced into coal sample tank 2.

Water is loaded with inside the graduated cylinder 17 of desorption of mash gas instrument 1, floating has lightweight, the bead 14 containing fluorescent liquid on the water surface.

17 outer cover of graduated cylinder of desorption of mash gas instrument 1 is equipped with shading sleeve 15, between 17 outer circle of inner ring and graduated cylinder of shading sleeve 15 With frictional force, 15 middle part of shading sleeve offers the peep hole 16 of a strip in the horizontal direction.

The test method of the desorption of mash gas device of Fast-Balance liquid level and accurate reading, comprising the following steps:

A, plug 6 is extracted, water is filled into the graduated cylinder 17 of desorption of mash gas instrument 1 by filler, at the same by lightweight, contain fluorescent liquid Bead 14 by filler into the water, be reinstalled plug 6 and tighten；

B, tripod 3 is opened, desorption of mash gas instrument 1 is inverted, i.e., downward, the lower end of desorption of mash gas instrument 1 is placed on for one end of plug 6 In the support platform at 3 top of tripod；

C, the adjusting nut on tripod 3 is rotated, and watches air level 5 attentively, so that the bubble in air level 5 is transferred to middle position When, i.e., the graduated cylinder 17 of desorption of mash gas instrument 1 is in plumbness, and tightening adjusting nut keeps tripod 3 fixed；

D, after the water surface in the graduated cylinder 17 of desorption of mash gas instrument 1 is stood, lightweight, the bead 14 containing fluorescent liquid are located at liquid level center most Lower；

E, the state that swivel tee valve 4 is connected to first interface 8 with third interface 10；

F, piercing needle is pierced into coal sample tank 2, so that coal sample tank 2 is connected by the first rubber catheter 11 and check valve 13 and atmosphere Logical, the gas overflowed in coal sample tank 2 is overflowed by check valve 13, in this way it is avoided that feeling suffocated in coal sample tank 2；

G, the shading sleeve 15 outside the graduated cylinder 17 of mobile desorption of mash gas instrument 1 reads lightweight by peep hole 16, contains to liquid level position Liquid level scale where the bead 14 of fluorescent liquid simultaneously records initial reading；

H, the state that swivel tee valve 4 is connected to first interface 8 with second interface 9, the gas overflowed in coal sample tank 2 pass through the One rubber catheter 11 and the second rubber catheter 12 enter in the graduated cylinder 17 of desorption of mash gas instrument 1, and the water in graduated cylinder 17 passes through gas solution It inhales drainage hole 7 at 1 bottom of instrument to be discharged, by mobile shading sleeve 15, by where 16 lightweight of peep hole, the bead 14 containing fluorescent liquid The liquid level scale at place reads the variable quantity of liquid level, obtains desorption of mash gas amount；Timing is carried out using stopwatch, obtains desorption of mash gas speed Rate.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.