A dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument

Abstract

The present invention relates to a dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument, and belongs to the field of mine gas extraction safety technology. The device includes an air intake structure provided with an air intake hole, a dust removal condenser is connected above the air intake hole, a side of the dust removal condenser is connected to a humidity dryer, and a waterproof and breathable layer is provided between the dust removal condenser and the humidity dryer. The device solves the technical problem that the measurement data of the concentration sensor is seriously affected by the traditional measurement of water and water mist, increases the measurement accuracy of the sensor, and prolongs its service life.

Description

Technical Field

[0001] The invention belongs to the technical field of mine gas extraction safety, and relates to a dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument. Background Art

[0002] Gas is an explosive gas. When its concentration is between 5% and 15%, it can easily cause a gas explosion when encountering sparks. Toxic gases such as carbon monoxide can cause personal injury. In coal mines, if the gas pressure is too high, it can easily cause gas outbursts. Therefore, gas extraction before coal mining is crucial. To what extent can gas and other gases be extracted for safe mining? It is necessary to accurately measure the concentration of gas, carbon monoxide and other gases in the extracted gas. However, when the concentration sensors of gas and carbon monoxide currently used measure the concentration in the pipeline, a large amount of water and water mist seriously affect the measurement data of the concentration sensor. In order to avoid distortion of gas concentration data, the gas at the concentration sensor measurement point must be dehumidified.

[0003] In this context, if the dust, water and part of the water vapor in the measuring gas can be removed, the gas concentration sensor will be protected, the measurement accuracy of the sensor will be increased and the service life will be extended. Summary of the invention

[0004] In view of this, the purpose of the present invention is to provide a dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument to solve the technical problem that traditional measurement water and water mist seriously affect the measurement data of the concentration sensor, increase the measurement accuracy of the sensor and extend its service life.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] A dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument comprises an air intake structure provided with an air intake hole, a dust removal condenser is connected above the air intake hole, a side of the dust removal condenser is connected to a humidity dryer, and a waterproof and breathable layer is provided between the connection between the dust removal condenser and the humidity dryer.

[0007] Furthermore, one end of the humidity dryer away from the dust removal condenser is connected to the air pipe protective tube through a conversion sealing joint, and the other end of the air pipe protective tube is connected to the measuring instrument.

[0008] Furthermore, a sealing plug is provided on the air inlet.

[0009] Furthermore, three air outlets are arranged in parallel at the air inlet port, the air outlets are sealed and connected to the measuring instrument, a sealing plug is arranged in the air outlet, a conical sealing air nozzle is arranged on the air outlet, a mesh block and a steel ball are arranged between the conical sealing air nozzle and the air outlet, so that the air outlet can only exhaust in one direction.

[0010] Furthermore, the dust removal condenser comprises a transparent dust removal condenser shell, a cooling cavity is arranged in the dust removal condenser shell, the cooling cavity is bottle-shaped, a flexible cooling metal mesh is arranged in the cooling cavity, and a movable transparent cooling cavity cover is arranged on the upper part of the cooling cavity.

[0011] Furthermore, a cavity is provided in the humidity dryer, and the cavity is filled with a solid desiccant.

[0012] Furthermore, the conversion sealing joint is provided with a sealing plug that matches with it, the sealing plug is connected with a gas nozzle adapter, and the gas nozzle adapter is provided with a gas nozzle.

[0013] Furthermore, the waterproof and breathable layer is composed of a waterproof and breathable membrane and a sealing ring that seals the waterproof and breathable membrane.

[0014] Furthermore, the trachea protective tube comprises a transition chamber shell fixed on the conversion sealing joint compression block through a transition chamber connecting joint and a compression nut, and one end of the transition chamber shell is connected to the protective tube joint.

[0015] The beneficial effects of the present invention are:

[0016] A dust removal and dehumidifier for a multi-parameter measuring instrument for a mine gas pipeline removes dust, water and some water vapor such as coal dust from the measuring gas entering the instrument through a fine metal mesh, a waterproof breathable membrane and a desiccant, thereby protecting the precision instrument components from being damaged by dust and water. The dust removal and dehumidifier is small in size and light in weight, and is very suitable for use as a portable instrument in a mine cave. In addition, the block and steel ball arranged on the air outlet turn the air outlet into a one-way channel that can only exhaust air, which can effectively prevent the technical problem of the sensor chamber in the measuring instrument from inhaling water and coal dust to damage the sensor.

[0017] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

[0019] Figure 1 A cross-sectional view of a dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument.

[0020] Figure markings: air inlet port 1, air inlet hole 1-1, air outlet No. 1 1-2, air outlet No. 2 1-3, air outlet No. 3 1-4, large sealing plug 1-11, small sealing plug 1-12, sealing plug pressing block 1-13, conical sealing air nozzle 1-14, stainless steel mesh block 1-15, stainless steel ball 1-16, dust removal condenser 2, dust removal condenser shell 2-1, metal mesh 2-2, cooling chamber cover 2-3, waterproof breathable layer 3, waterproof breathable membrane 3-1, sealing ring 3-2, humidity dryer 4, dryer shell 4-1, desiccant 4-2, sealing ring 4-3, conversion sealing joint 4-4, conical sealing plug 4-5, air nozzle adapter 4-6, conversion sealing joint pressing block 4-7, air pipe protective tube 5, protective tube joint 5-1, transition chamber shell 5-2, transition chamber connecting joint 5-3, tightening nut 5-4. DETAILED DESCRIPTION

[0021] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0022] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on the present invention. In order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of actual products. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0023] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "rear", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0024] See also Figure 1A dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument includes an air inlet 1-1, a dust removal condenser 2 is arranged on the air inlet 1-1, the side of the dust removal condenser 2 is connected with a humidity dryer 4, a waterproof and breathable layer 3 is arranged between the dust removal condenser 2 and the humidity dryer 4, the waterproof and breathable layer 3 is composed of a waterproof and breathable membrane 3-1 and a sealing ring 3-2, and the end of the humidity dryer 4 away from the dust removal condenser 2 is connected with the air pipe protective tube 5 by setting a conversion sealing joint 4-4.

[0025] The air inlet 1-1 is arranged at the air inlet port 1 at the lower part of the dust removal and dehumidification device. The air inlet 1-1 is also provided with a small sealing plug 1-12 and a sealing plug pressing block 1-13 for sealing the air inlet 1-11. The air inlet port 1 is also provided with three air outlets in parallel. The three air outlets are sealed and connected with the measuring instrument. The three air outlets are respectively the No. 1 air outlet 1-2, the No. 2 air outlet 1-3 and the No. 3 air outlet 1-4. The apertures of the three air outlets increase successively. The air outlets are all provided with a conical sealing air nozzle 1-14, and are all equipped with corresponding sealing plugs and sealing plug pressing blocks 1-13. The sealing plug equipped with the No. 3 air outlet 1-4 is a large sealing plug 1-11. Stainless steel mesh blocks 1-15 and stainless steel balls 1-16 are provided at the connection points between the three air outlets and the conical sealing plugs, so that the air outlets become one-way channels that can only exhaust air, which can effectively prevent dust and water from entering the measuring instrument through the air outlets when the external device pipe is unplugged.

[0026] The dust removal condenser 2 includes a transparent dust removal condenser shell 2-1, in which a cooling cavity is arranged. The cooling cavity is bottle-shaped and has multiple layers of flexible cooling metal mesh 2-2 for dust removal and cooling. A movable transparent cooling cavity cover 2-3 is arranged on the upper part of the cooling cavity, and the cooling metal mesh 2-2 can be conveniently replaced at any time.

[0027] The humidity dryer 4 includes a transparent dryer shell 4-1, a cylindrical cavity is provided in the dryer shell 4-1, and the cavity is filled with a solid desiccant 4-2. A sealing ring 4-3 is provided between the dryer shell 4-1 and the conversion sealing joint 4-4, and the conversion sealing joint 4-4 is provided with a conical sealing plug 4-5 matched with it and a conversion sealing joint pressing block 4-7 for pressing it. The conical sealing plug 4-5 is connected to the air nozzle adapter 4-6, and the air nozzle adapter 4-6 is provided with a conical sealing air nozzle 1-14. The conical sealing air nozzle 1-14 extends into the transition cavity shell 5-2 of the air pipe protective tube 5, and the transition cavity shell 5-2 of the air pipe protective tube 5 is fixed on the conversion sealing joint pressing block 4-7 through the transition cavity connecting joint 5-3 and the pressing nut 5-4, and the other end of the transition cavity shell 5-2 is connected to the protective tube joint 5-1.

[0028] During use, the gas to be measured enters from the air inlet 1-1, and when passing through the cooling metal mesh 2-2 in the dust removal condenser 2, the temperature of the gas is reduced, the water vapor in the gas is liquefied, and part of the water vapor in the gas is released. At the same time, dust such as coal dust is also retained in the cooling metal mesh. The gas passing through the dust removal condenser 2 continues to pass through the waterproof and breathable layer 3, and the waterproof and breathable membrane 3-1 in the waterproof and breathable layer 3 further blocks the water in the gas in the cooling cavity in the dust removal condenser 2. The gas passing through the waterproof and breathable layer 3 enters the humidity dryer 4. When the gas passes through the desiccant 4-2 in the humidity dryer 4, the water vapor in the gas is absorbed again, so that the humidity of the water vapor in the gas is greatly reduced. The gas absorbed by the humidity dryer 4 enters the air pipe protective tube 5 through the air nozzle adapter 4-6 and the conical sealing air nozzle 1-14 thereon. The protective tube connector 5-1 of the air pipe protective tube 5 is connected to the measuring instrument to detect various parameters of the gas. The detected gas is discharged through three air outlets.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the present invention.

Claims

1. A dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument, characterized in that: It includes an air intake structure with an air intake hole, the air intake hole is connected with a dust removal condenser above, the side of the dust removal condenser is connected with a humidity dryer, and a waterproof and breathable layer is provided between the connection point between the dust removal condenser and the humidity dryer; Three air outlets are arranged in parallel at the air inlet port, the air outlets are sealed and connected with the measuring instrument, a sealing plug is arranged inside the air outlet, a conical sealing air nozzle is arranged on the air outlet, and a mesh block and a steel ball are arranged between the conical sealing air nozzle and the air outlet, so that the air outlet can only exhaust in one direction; The dust removal condenser comprises a transparent dust removal condenser shell, a cooling cavity is arranged in the dust removal condenser shell, the cooling cavity is bottle-shaped, a flexible cooling metal net is arranged in the cooling cavity, and a movable transparent cooling cavity cover is arranged on the upper part of the cooling cavity.

2. A dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument according to claim 1, characterized in that: One end of the humidity dryer away from the dust removal condenser is connected to the air pipe protection tube through a conversion sealing joint, and the other end of the air pipe protection tube is connected to the measuring instrument.

3. The dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument according to claim 1, characterized in that: A sealing plug is provided on the air inlet.

4. The dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument according to claim 1, characterized in that: The humidity dryer is provided with a cavity, and the cavity is filled with a solid desiccant.

5. The dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument according to claim 2, characterized in that: The conversion sealing joint is provided with a sealing plug matched therewith, the sealing plug is connected with a gas nozzle adapter, and the gas nozzle adapter is provided with a gas nozzle.

6. The dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument according to claim 1, characterized in that: The waterproof and breathable layer is composed of a waterproof and breathable membrane and a sealing ring that seals the waterproof and breathable membrane.

7. The dust removal and dehumidification device for a mine gas pipeline multi-parameter measuring instrument according to claim 2, characterized in that: The trachea protective tube comprises a transition chamber shell fixed on a conversion sealing joint compression block through a transition chamber connecting joint and a compression nut, and one end of the transition chamber shell is connected to a protective tube joint.

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