CN212958759U - Gas taking and condensing device of coal mine pipeline sensor - Google Patents
Gas taking and condensing device of coal mine pipeline sensor Download PDFInfo
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- CN212958759U CN212958759U CN202021452189.5U CN202021452189U CN212958759U CN 212958759 U CN212958759 U CN 212958759U CN 202021452189 U CN202021452189 U CN 202021452189U CN 212958759 U CN212958759 U CN 212958759U
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Abstract
The utility model relates to a colliery pipeline sensor gets gas condensing equipment, including the pipe connection seat subassembly that is used for connecting the malleation side pipeline, be used for automatic extraction malleation side pipeline in gaseous get the gas subassembly, be used for the integral type condenser subassembly of gas appearance condensation and be used for the sensor installation component of connection sensor. The gas taking and condensing device of the coal mine pipeline sensor is simple in structure, free of maintenance, high in reliability, fast in cooling, suitable for being used in a gas discharging (conveying) pipeline of a coal mine gas extraction system, namely a positive pressure side pipeline, and capable of solving the problem of condensed water in the sensor probe.
Description
The technical field is as follows:
the utility model relates to an industrial and mining equipment technical field especially relates to a colliery pipeline sensor gets gas condensing equipment.
Background art:
the coal mine gas extraction system mainly extracts air through a water ring vacuum pump of a pump station, the pump body runs for a long time to cause a temperature rise phenomenon, mixed gas is discharged after passing through the water ring vacuum pump, the discharged gas has a temperature rise phenomenon, so that water vapor in a row (gas transmission) pipeline is large, the temperature is high, the temperature of the pipeline gas is higher than the ambient temperature by about 50 ℃ in winter, and the temperature is even higher at night in plateau mountainous regions. The high-temperature gas sample in the pipeline quickly enters the interior of the sensor probe outside the pipeline and is easy to generate condensed water, so that the precision and the service life of the gas sensor are affected and damaged.
At present, gas taking devices on gas discharging (conveying) pipelines are mainly classified into four types: 1 get gas base and add extension PVC pipe, the sensor is installed in the eminence, has the installation complicacy, and the easy scheduling problem that ages of PVC material. 2, the regenerated drying agent is adopted to remove moisture, the drying agent needs to be replaced frequently, the cost is high, and the dehumidification and cooling requirements for long-term monitoring are not suitable. 3 the complex cooling and dehumidifying structure has the problem of frequent personnel maintenance. 4 the temperature difference is reduced by installing a heat insulation material outside the sensor, the method does not thoroughly solve the problem of temperature difference, and meanwhile, the situation that the sensor is difficult to replace in a messy field exists.
The utility model has the following contents:
to the problem, the utility model provides a gas condensing equipment that gets that supporting sensor used on colliery gas drainage system row (defeated) gas pipeline, device integration structural design, the installation is maintained simply, and efficient structural design realizes the rapid condensation of gas appearance, and simple reliable self-drainage design has saved personnel's maintenance cost.
The utility model discloses a realize through following technical scheme:
a gas taking and condensing device for a coal mine pipeline sensor comprises a pipeline connecting seat assembly, a gas taking assembly, an integrated condenser assembly and a sensor mounting assembly, wherein the pipeline connecting seat assembly is used for connecting a gas discharging (conveying) pipeline (namely a positive pressure side pipeline), the gas taking assembly is used for automatically extracting gas in the positive pressure side pipeline, the integrated condenser assembly is used for condensing a gas sample, and the sensor mounting assembly is used for connecting a sensor;
the pipeline connecting seat assembly comprises a pipeline connecting seat body, a sealing ring and a clamp, the pipeline connecting seat body is fixed on a positive pressure side pipeline, the sealing ring is arranged at the top end of the pipeline connecting seat body, and the pipeline connecting seat body is detachably connected with the gas taking assembly through the clamp;
the air taking assembly comprises a base, a differential pressure baffle, an air taking pipe and an air return pipe, the bottom end of the base is detachably connected with the pipeline connecting seat body through a clamp, the air taking pipe and the air return pipe are fixed on the base, the bottom ends of the air taking pipe and the air return pipe are communicated with a positive pressure side pipeline through the pipeline connecting seat body, the top ends of the air taking pipe and the air return pipe are communicated with the integrated condenser assembly, the differential pressure baffle is fixed at the bottom end of the base and arranged between the air taking pipe and the air return pipe, and the bottom end of the differential pressure baffle is lower than the;
the integrated condenser assembly comprises a protective cover and an integrated condenser, the protective cover is sleeved outside the integrated condenser, the integrated condenser comprises a connecting seat, a coil pipe and an air return connecting pipe, the connecting seat is fixed at the top end of the base, the bottom end of the coil pipe is communicated with the air taking pipe, the top end of the coil pipe is communicated with the sensor mounting assembly, the bottom end of the air return connecting pipe is communicated with the air return pipe, and the top end of the air return connecting pipe is communicated with the sensor mounting assembly;
the sensor mounting assembly comprises a sensor mounting seat, a T-shaped block and a flow regulator, the sensor mounting seat is fixed on the top end of the coil pipe and the air return connecting pipe, a cavity is formed in the sensor mounting seat, the T-shaped block and the flow regulator are fixed in the cavity, the cavity is communicated with the coil pipe and the air return connecting pipe, and the flow regulator is arranged at an air outlet of the air return connecting pipe.
In order to play a role in sealing and avoid the upward transmission of bottom heat, a heat-blocking ring is arranged between the connecting seat and the base.
In order to facilitate assembly, the connecting seat is fixedly connected with the base through a plurality of external fixing pieces; the sensor mounting seat is fixedly connected with the protective cover through a plurality of external fixing pieces.
The utility model has the advantages that: the gas taking and condensing device of the coal mine pipeline sensor is simple in structure, free of maintenance, high in reliability, fast in cooling, suitable for being used in a gas discharging (conveying) pipeline of a coal mine gas extraction system, namely a positive pressure side pipeline, and capable of solving the problem of condensed water in the sensor probe.
Description of the drawings:
fig. 1 is an external structural schematic diagram of a coal mine pipeline sensor gas taking condensing device of the utility model;
fig. 2 is a schematic view of the internal structure of the gas-taking and condensing device of the coal mine pipeline sensor of the present invention;
fig. 3 is a schematic structural view of the gas intake assembly of the present invention;
fig. 4 is a schematic structural diagram of the integrated condenser of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.
The gas taking and condensing device for the coal mine pipeline sensor shown in fig. 1 comprises a pipeline connecting seat assembly 1 used for connecting a positive pressure side pipeline, a gas taking assembly 2 used for automatically extracting gas in the positive pressure side pipeline, an integrated condenser assembly 4 used for condensing a gas sample and a sensor mounting assembly 5 used for connecting a sensor.
As shown in fig. 2, the pipe coupling socket assembly includes a pipe coupling socket body 101, a seal ring 102, and a clamp 103. The pipeline connecting seat 101 is made of 304 stainless steel materials and is welded right above the positive pressure side pipeline during construction. The upper end of the pipeline connecting seat body 101 adopts a phi 64-sized quick-assembling chuck design and can be quickly connected with the upper gas taking assembly through a clamping hoop 103. The top end of the pipeline connecting seat body 101 and the gas taking assembly are sealed through a sealing ring 102, and gas leakage is prevented.
Referring to fig. 2 and 3, the gas intake assembly includes a base 201, a differential pressure baffle 202, a gas intake pipe 203 and a gas return pipe 204, and the bottom end of the base 201 is detachably connected to the pipe connection base body 101 through a clamp 103. Get trachea 203, muffler 204 and fix on base 201, get trachea 203, muffler 204 bottom through pipe connection seat body 101 and malleation side pipeline intercommunication, get trachea 203, muffler 204 top and integral type condenser subassembly intercommunication, differential pressure baffle 202 is fixed in base 201 bottom and is set up and getting between trachea 203, muffler 204, and differential pressure baffle 202 bottom is less than getting trachea 203, muffler 204. The gas flow in the gas line forms a high pressure region in front of the differential pressure baffle 202 and a low pressure region in the rear. High-pressure gas enters the device through the gas taking pipe 203 and returns to the gas transmission pipeline from the gas return pipe 204, and the function of collecting gas samples is achieved. The inner diameters of the air intake pipe 203 and the air return pipe 204 are designed to be 12mm, so that obstruction caused by water drops and coal ash can be avoided.
Shown in fig. 2 and 4, the integrated condenser assembly comprises a protective cover 405 and an integrated condenser, the protective cover 405 is sleeved outside the integrated condenser, the protective cover 405 is made of 304 stainless steel, and has the functions of protection and attractiveness, and the situation that an on-site object is impacted on a fragile coil pipe part is prevented. The upper and lower rows of holes play a role in heat dissipation, and hot gas in the protective cover 405 flows towards the upper end and is gradually discharged through the upper-end heat dissipation holes. The integral type condenser includes connecting seat 401, coil pipe 402, return air connecting pipe 403, connecting seat 401 is fixed on the base 201 top through a plurality of outer firmware 407, is provided with between connecting seat 401 and the base 201 and keeps off hot circle 3, keeps off hot circle 3 and adopts the thick silicon rubber material of 5mm, utilizes its low thermal conductivity separation bottom heat upwards to conduct, plays sealed effect and prevents gas leakage, coil pipe 402 bottom with get trachea 203 intercommunication, coil pipe 402 top and sensor installation component intercommunication, return air connecting pipe 403 bottom and return air pipe 204 intercommunication, return air connecting pipe 403 top and sensor installation component intercommunication. The connecting seat 401 is made of 304 stainless steel. The coil 402 is phi 12 x 1 specification 304 stainless steel pipe to avoid obstruction caused by water drop blockage. The length of the air passage is increased through the spiral design, and the cooling area is enlarged. The gas spirals from bottom up along coil 402 and through the outer wall for heat exchange to atmospheric ambient temperature as it reaches the top of the condenser. Air return connection pipe 403 is made of 304 stainless steel, and connects the air return side of sensor mounting seat 502 with the air return side of connection seat 401. The external fixing member 407 fastens the condenser, the heat insulation sealing ring and the gas taking member into a whole.
As shown in fig. 2, the sensor mount assembly includes a sensor mount 502, a T-block 501, and a flow regulator 505. The sensor mounting seat 502 is welded on the top ends of the coil pipe 402 and the return air connecting pipe 204, the sensor mounting seat 502 is made of 304 stainless steel, and the phi 50.5 size fast-assembling chuck is designed to be fast installed or detached with the gas sensor through a clamping piece. The internal T-shaped block 501 is mounted in the sensor mounting seat 502 through a fastener 504, and an internal cavity is formed into an omega-shaped loop structure, so that direct injection of gas to a sensor probe is avoided. The flow regulator 505 is mounted on the return air side in a hexagon socket mounting manner and used for controlling the air production amount, and the default opening is M2.0, and specifications such as 1.5 and 2.5 can be replaced. The shield 405 is secured to the sensor mount 502 by external fasteners 503.
The utility model discloses a dynamic process divide into two parts: 1, heat conduction of a gas pipeline. 2 the conduction of the gas taking process and the heat of the gas sample.
The heat of the gas transmission pipeline is conducted upwards to the gas taking assembly through the pipeline connecting seat in the heat conducting process of the gas transmission pipeline wall, and the temperature of the shell of the gas taking assembly is slightly reduced due to the increase of the conducting distance and the heat dissipation of the shell; the heat of the gas taking assembly is upwards conducted to the connecting seat 401 of the integrated condenser through the heat retaining ring 3, the heat conduction is very limited due to the low heat conductivity of the heat retaining ring 3, the temperature reduction amplitude of the base of the condenser is obvious, the temperature of the middle part and the upper part of the integrated condenser coil 402 is consistent with the ambient temperature, and the temperature of the integrated condenser coil 402 is distributed in a high-low mode; the upper sensor mount 502 temperature is consistent with the ambient temperature.
And (3) conducting the gas taking process and the gas sample heat: the mixed gas rapidly flows from left to right, and a high-pressure area and a low-pressure area are formed in front of and behind a differential pressure baffle 202 of the gas taking assembly; the gas in the high-pressure area enters the gas taking pipe 203 and flows upwards; after entering the integrated condenser, the gas spirals from bottom to top along the coil pipe 402 and exchanges heat through the outer wall, the temperature of the gas reaching the middle part of the condenser is consistent with the ambient temperature, and condensed water generated in the cooling process flows back to the gas transmission pipeline through the gas taking pipe 203 by the self gravity; the cooled normal temperature gas sample enters the sensor mounting seat 502 to provide a gas sample for the sensor, enters the return air pipe 204 from the right side through the return air connecting pipe 403, and returns to the low pressure area (i.e. in the pipeline) at the rear part of the differential pressure baffle 202. The flow regulator 505 with different apertures can be replaced on site, the gas flow is reduced or improved, the total heat energy carried by the gas sample can be reduced by reducing the flow, the response time of the sensor can be shortened by improving the flow speed.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end", 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.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a colliery pipeline sensor condensing equipment that gets gas which characterized in that: the device comprises a pipeline connecting seat assembly used for connecting a positive pressure side pipeline, a gas taking assembly used for automatically extracting gas in the positive pressure side pipeline, an integrated condenser assembly used for condensing a gas sample and a sensor mounting assembly used for connecting a sensor;
the pipeline connecting seat assembly comprises a pipeline connecting seat body, a sealing ring and a clamp, the pipeline connecting seat body is fixed on a positive pressure side pipeline, the sealing ring is arranged at the top end of the pipeline connecting seat body, and the pipeline connecting seat body is detachably connected with the gas taking assembly through the clamp;
the air taking assembly comprises a base, a differential pressure baffle, an air taking pipe and an air return pipe, the bottom end of the base is detachably connected with the pipeline connecting seat body through a clamp, the air taking pipe and the air return pipe are fixed on the base, the bottom ends of the air taking pipe and the air return pipe are communicated with a positive pressure side pipeline through the pipeline connecting seat body, the top ends of the air taking pipe and the air return pipe are communicated with the integrated condenser assembly, the differential pressure baffle is fixed at the bottom end of the base and arranged between the air taking pipe and the air return pipe, and the bottom end of the differential pressure baffle is lower than the;
the integrated condenser assembly comprises a protective cover and an integrated condenser, the protective cover is sleeved outside the integrated condenser, the integrated condenser comprises a connecting seat, a coil pipe and an air return connecting pipe, the connecting seat is fixed at the top end of the base, the bottom end of the coil pipe is communicated with the air taking pipe, the top end of the coil pipe is communicated with the sensor mounting assembly, the bottom end of the air return connecting pipe is communicated with the air return pipe, and the top end of the air return connecting pipe is communicated with the sensor mounting assembly;
the sensor mounting assembly comprises a sensor mounting seat, a T-shaped block and a flow regulator, the sensor mounting seat is fixed on the top end of the coil pipe and the air return connecting pipe, a cavity is formed in the sensor mounting seat, the T-shaped block and the flow regulator are fixed in the cavity, the cavity is communicated with the coil pipe and the air return connecting pipe, and the flow regulator is arranged at an air outlet of the air return connecting pipe.
2. The coal mine pipeline sensor gas taking and condensing device of claim 1, wherein: and a heat retaining ring is arranged between the connecting seat and the base.
3. The coal mine pipeline sensor gas taking and condensing device of claim 1, wherein: the connecting seat is fixedly connected with the base through a plurality of external fixing pieces.
4. The coal mine pipeline sensor gas taking and condensing device of claim 1, wherein: the sensor mounting seat is fixedly connected with the protective cover through a plurality of external fixing pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021452189.5U CN212958759U (en) | 2020-07-21 | 2020-07-21 | Gas taking and condensing device of coal mine pipeline sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021452189.5U CN212958759U (en) | 2020-07-21 | 2020-07-21 | Gas taking and condensing device of coal mine pipeline sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212958759U true CN212958759U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021452189.5U Active CN212958759U (en) | 2020-07-21 | 2020-07-21 | Gas taking and condensing device of coal mine pipeline sensor |
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| Country | Link |
|---|---|
| CN (1) | CN212958759U (en) |
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- 2020-07-21 CN CN202021452189.5U patent/CN212958759U/en active Active
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