CN201763376U - Gas flow reversing mechanism of vertical-type coal mine ventilation air methane oxidation device - Google Patents
Gas flow reversing mechanism of vertical-type coal mine ventilation air methane oxidation device Download PDFInfo
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- CN201763376U CN201763376U CN2010205194195U CN201020519419U CN201763376U CN 201763376 U CN201763376 U CN 201763376U CN 2010205194195 U CN2010205194195 U CN 2010205194195U CN 201020519419 U CN201020519419 U CN 201020519419U CN 201763376 U CN201763376 U CN 201763376U
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Abstract
The utility model relates to a gas flow reversing mechanism of a vertical-type coal mine ventilation air methane oxidation device. The gas flow reversing mechanism is characterized in that the gas flow reversing mechanism comprises upper cavities, lower cavities, connecting tubes, an exhaust valve chamber and an intake valve chamber, the exhaust valve chamber and the intake valve chamber are located between the upper cavities and the lower cavities and are respectively communicated with the upper cavities and the lower cavities via the connecting tubes, the parts where the connecting tubes are communicated with the exhaust valve chamber and the intake valve chamber are all provided with valve seats, upper end faces of the upper cavities above the center of the connecting tubes are both provided with a guide seal sleeve, lower ends of piston rods of two cylinders fixed on two cylinder seats are fixedly connected with upper ends of valve stems via thread connecting sleeves, the two valve stems penetrate through the guide seal sleeves, the upper cavities and the connecting tubes in order and respectively into the exhaust valve chamber and the intake valve chamber, bottoms of the two valve stems are fixedly connected with valve plates, and the valve plates are plugged and sealed on the valve seats of upper end faces when the valve plates move upwardly with the valve stems and otherwise on the valves seats of lower end faces. The gas flow reversing mechanism of the utility model is compact in structure, good in sealing effect, uniform in air supply, convenient in installation and reliable in working.
Description
Technical field
The utility model relates to a kind of airflow reversing mechanism of vertical coal mine ventilation air methane oxidation device, belongs to super low concentration methane thermal counter flow oxidation and low-density technical field of energy recovery.
Background technology
Gas density in the coal mine methane is generally less than 1%, is difficult to utilize conventional burners directly to burn under the situation of auxiliary fuel not having.The hot counter flow oxidation device of coal mine methane can be oxidized to carbon dioxide and water with the gas that lacks in the wind, realizes reducing discharging, and recovery heat wherein.The weary general mood body that enters the oxidation unit oxidation bed intensification of absorbing heat from thermal storage ceramic at high-temperature region, oxidation bed middle part oxidation heat liberation, and is discharged after heat passed to ceramic honey comb again.The key of this technology is will be with the continuous conversion flow direction of sending in the oxidation bed of gas, to guarantee keeping certainly of oxidizing process.Because the disposal ability of every cover coal mine methane oxidation unit generally at tens thousand of cubic metres/hours, does not also have special-purpose reversal valve at present.Coal mine methane oxidation unit in the past adopts four valves, realizes that the airflow direction of weary wind and waste gas switches.But that this commutating device exists is bulky, the sealing is bad, big, the shortcomings such as functional reliability is poor, installation and maintenance inconvenience of weary wind escape amount during commutation.
The utility model content
The purpose of this utility model is exactly to overcome or to avoid the shortcoming and defect that exists in the above-mentioned prior art, a kind of airflow reversing mechanism of integrated vertical coal mine ventilation air methane oxidation device is provided, it is connected with the last next part case of oxidation unit, alternately switches the airflow direction of turnover oxidation bed reliably.
The purpose of this utility model is realized by following technical proposals:
A kind of airflow reversing mechanism of vertical coal mine ventilation air methane oxidation device, it is characterized in that: comprise upper cavity, lower chamber, tube connector and exhaust valve chamber between upper cavity and lower chamber and air inlet valve chamber, wherein exhaust valve chamber and air inlet valve chamber are respectively through tube connector and upper cavity and lower chamber UNICOM, and the tube connector that connects exhaust valve chamber upper and lower end face is located along the same line, the tube connector that connects air inlet valve chamber upper and lower end face also is located along the same line, and the connection position of tube connector and exhaust valve chamber and air inlet valve chamber is equipped with valve seat; The upper surface that upper cavity is positioned at top, tube connector center is equipped with the pilot seal cover, fixedly connected with the upper end of valve rod by the cover that is threaded in the lower end that is fixed on the piston rod of two cylinders on two cylinder blocks, two valve rods pass the pilot seal cover successively, upper cavity and tube connector, it is indoor to probe into exhaust valve chamber and admission valve respectively, fixedly connected with valve plate in the bottom, when valve plate moves upward with valve rod, the valve plate shutoff is on the valve seat of exhaust valve chamber and air inlet valve chamber upper surface, when valve plate moved downward with valve rod, the valve plate shutoff was on the valve seat of exhaust valve chamber and air inlet valve chamber lower surface; The opening part of the sidewall of upper cavity, lower chamber, exhaust valve chamber and air inlet valve chamber is equipped with flange, and the cavity wall of the flange correspondence on the upper cavity, lower chamber adopts the orthodrome transition.
The airflow reversing mechanism of described vertical coal mine ventilation air methane oxidation device, the longitudinal centre line of the end face of flange of the end face of flange of the end face of flange of upper cavity sidewall, lower chamber sidewall, air inlet valve chamber sidewall, air inlet valve chamber, exhaust valve chamber is parallel to each other and is positioned at same plane.
The airflow reversing mechanism of described vertical coal mine ventilation air methane oxidation device, in upper cavity and lower chamber, be provided with a plurality of deflectors longitudinally, deflector is the radial mouth of pipe around the tube connector that connects the air inlet valve chamber towards the flange side, and the upper and lower end of deflector is fixedlyed connected with the upper and lower inwall of upper cavity and lower chamber respectively.
Its operating principle is: when oxidation unit was worked, the indoor valve plate position of valve plate that admission valve is indoor and outlet valve was always opposite.If it is the next that the indoor valve plate of admission valve is in, then the indoor valve plate of outlet valve is in upperly, and two valve plates are closed the tube connector of air inlet valve chamber downside and the tube connector of exhaust valve chamber upside simultaneously.At this moment, the tube connector that enters the coal mine methane gas process upside of air inlet valve chamber enters in the upper cavity, enter upper collecting chamber, the oxidation bed of oxidation unit then, oxidation in oxidation bed, gas after the oxidation enters in the lower chamber through oxidation unit next part case, tube connector through downside enters the exhaust valve chamber, after the flange discharge of outlet valve chamber.When oxidation unit need commutate, under the control of automatic control system, two cylinders move simultaneously, the valve plate of air inlet valve chamber is mentioned valve plate upper, the exhaust valve chamber to be pushed into the next, the air inlet valve chamber is communicated with lower chamber, the exhaust valve chamber is communicated with upper cavity, the tube connector that enters the coal mine methane gas process downside of air inlet valve chamber enters in the lower chamber, next part case through oxidation unit enters oxidation bed, gas after the oxidation enters in the upper cavity through the oxidation unit upper collecting chamber, tube connector through upside enters the exhaust valve chamber, after the flange discharge of outlet valve chamber.So alternate cycles work.
The utility model compared with prior art, major advantage and beneficial effect are:
1, the airflow reversing mechanism of vertical coal mine ventilation air methane oxidation device of the present utility model adopts integrated morphology, compact conformation, and volume is less; Upper cavity is connected with the upper collecting chamber of oxidation unit through flange, and lower chamber is connected with the next part case of oxidation unit by flange, and is easy for installation.Be flat seal between valve plate and the valve seat, be threaded by adjustment and overlap the degree that compresses that to regulate between valve plate and the valve seat, good sealing effect, reliable operation.
2, between air inlet valve chamber, exhaust valve chamber and upper cavity, lower chamber, adopt four tube connectors to be connected, further reduced the volume that weary general mood body is flowed through in the valve body, thereby the not oxidation that has further reduced to cause because of commutation lacks the escape amount of general mood body.
3, the side wall surface of upper cavity and lower chamber adopts the orthodrome transition, and be provided with deflector, thereby make weary general mood body through behind the airflow reversing mechanism, enter the upper collecting chamber or the next part case of oxidation unit equably, for ventilation air gas in oxidation bed equably oxidation created condition.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is an A-A sectional view embodiment illustrated in fig. 1.
Fig. 3 is a B-B sectional view embodiment illustrated in fig. 1.
Among the figure: 1, lower chamber 2, deflector 3, flange 4, tube connector 5, valve seat 6, exhaust valve chamber 7, valve plate 8, valve rod 9, pilot seal cover 10, cylinder block 11, cover 12, cylinder 13, upper cavity 14, air inlet valve chamber are threaded
The specific embodiment
In the embodiment shown in Fig. 1～3: exhaust valve chamber 6 and air inlet valve chamber 14 are all between upper cavity 13 and lower chamber 1, and respectively through tube connector 4 and upper cavity 13 and lower chamber 1 UNICOM; The tube connector 4 that connects exhaust valve chamber 6 upper and lower end faces is located along the same line, and the tube connector 4 that connects air inlet valve chamber 14 upper and lower end faces also is located along the same line, and tube connector 4 is equipped with valve seat 5 with the connection position of exhaust valve chamber 6 and air inlet valve chamber 14; The upper surface that upper cavity 13 is positioned at top, tube connector 4 centers is equipped with pilot seal cover 9, fixedly connected with the upper end of valve rod 8 by the cover 11 that is threaded in the lower end that is fixed on the piston rod of two cylinders 12 on two cylinder blocks 10, two valve rods 8 pass pilot seal cover 9 successively, upper cavity 13 and tube connector 4, probe into respectively in exhaust valve chamber 6 and the air inlet valve chamber 14, fixedly connected with valve plate 7 in the bottom, when valve plate 7 moves upward with valve rod 8, valve plate 7 shutoff are on the valve seat 5 of exhaust valve chamber 6 and air inlet valve chamber 14 upper surfaces, when valve plate 7 moved downward with valve rod 8, valve plate 7 shutoff were on the valve seat 5 of exhaust valve chamber 6 and air inlet valve chamber 14 lower surfaces; The opening part of the sidewall of upper cavity 13, lower chamber 1, exhaust valve chamber 6 and air inlet valve chamber 14 is equipped with flange 3, and the cavity wall of flange 3 correspondences on upper cavity 13, the lower chamber 1 adopts the orthodrome transition, and the longitudinal centre line of flange 3 end faces of flange 3 end faces of upper cavity 13 sidewalls, flange 3 end faces of lower chamber 1 sidewall, air inlet valve chamber 14 sidewalls, air inlet valve chamber 6, exhaust valve chamber 14 is parallel to each other and is positioned at same plane.In upper cavity 13 and lower chamber 1, be provided with a plurality of deflectors longitudinally 2, deflector 2 is the radial mouth of pipe around the tube connector 4 that connects air inlet valve chamber 14 towards flange 3 sides, and the upper and lower end of deflector 2 is fixedlyed connected with the upper and lower inwall of upper cavity 13 and lower chamber 1 respectively.
Claims (3)
1. the airflow reversing mechanism of a vertical coal mine ventilation air methane oxidation device, it is characterized in that: comprise upper cavity (13), lower chamber (1), tube connector (4) and be positioned at upper cavity (13) and lower chamber (1) between exhaust valve chamber (6) and air inlet valve chamber (14), wherein exhaust valve chamber (6) and air inlet valve chamber (14) are respectively through tube connector (4) and upper cavity (13) and lower chamber (1) UNICOM, and connect on the exhaust valve chamber (6), the tube connector of lower surface (4) is located along the same line, connect on the air inlet valve chamber (14), the tube connector of lower surface (4) also is located along the same line, and tube connector (4) is equipped with valve seat (5) with the connection position of exhaust valve chamber (6) and air inlet valve chamber (14); The upper surface that upper cavity (13) is positioned at top, tube connector (4) center is equipped with pilot seal cover (9), fixedly connected with the upper end of valve rod (8) by the cover (11) that is threaded in the lower end that is fixed on the piston rod of two cylinders (12) on two cylinder blocks (10), two valve rods (8) pass pilot seal cover (9) successively, upper cavity (13) and tube connector (4), probe into respectively in exhaust valve chamber (6) and the air inlet valve chamber (14), fixedly connected with valve plate (7) in the bottom, when valve plate (7) with valve rod (8) when moving upward, valve plate (7) shutoff is on the valve seat (5) of exhaust valve chamber (6) and air inlet valve chamber (14) upper surface, when valve plate (7) with valve rod (8) when moving downward, valve plate (7) shutoff is on the valve seat (5) of exhaust valve chamber (6) and air inlet valve chamber (14) lower surface; The opening part of the sidewall of upper cavity (13), lower chamber (1), exhaust valve chamber (6) and air inlet valve chamber (14) is equipped with flange (3), and the corresponding cavity wall of the flange (3) on the upper cavity (13), lower chamber (1) adopts the orthodrome transition.
2. the airflow reversing mechanism of vertical coal mine ventilation air methane oxidation device as claimed in claim 1, it is characterized in that: the longitudinal centre line of flange (3) end face of flange (3) end face of upper cavity (13) sidewall, flange (3) end face of lower chamber (1) sidewall, air inlet valve chamber (14) sidewall, air inlet valve chamber (6), exhaust valve chamber (14) is parallel to each other and is positioned at same plane.
3. the airflow reversing mechanism of vertical coal mine ventilation air methane oxidation device as claimed in claim 1, it is characterized in that: in upper cavity (13) and lower chamber (1), be provided with a plurality of deflectors longitudinally (2), deflector (2) is the radial mouth of pipe around the tube connector (4) that connects air inlet valve chamber (14) towards flange (3) side, and the upper and lower end of deflector (2) is fixedlyed connected with the upper and lower inwall of lower chamber (1) with upper cavity (13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205194195U CN201763376U (en) | 2010-09-07 | 2010-09-07 | Gas flow reversing mechanism of vertical-type coal mine ventilation air methane oxidation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205194195U CN201763376U (en) | 2010-09-07 | 2010-09-07 | Gas flow reversing mechanism of vertical-type coal mine ventilation air methane oxidation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763376U true CN201763376U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205194195U Expired - Lifetime CN201763376U (en) | 2010-09-07 | 2010-09-07 | Gas flow reversing mechanism of vertical-type coal mine ventilation air methane oxidation device |
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| CN (1) | CN201763376U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912722A (en) * | 2010-09-07 | 2010-12-15 | 山东理工大学 | Airflow reversing mechanism of vertical coal ventilation air methane oxidizing device |
| CN102230393A (en) * | 2011-04-11 | 2011-11-02 | 山东理工大学 | Gas intake, exhaust and flow guide device of coal mine ventilation air methane preheating catalytic oxidizer |
| CN102734499A (en) * | 2011-04-01 | 2012-10-17 | 淄博淄柴新能源有限公司 | Large-drift-diameter movable plate type four-way reversing device |
-
2010
- 2010-09-07 CN CN2010205194195U patent/CN201763376U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912722A (en) * | 2010-09-07 | 2010-12-15 | 山东理工大学 | Airflow reversing mechanism of vertical coal ventilation air methane oxidizing device |
| CN101912722B (en) * | 2010-09-07 | 2012-05-23 | 山东理工大学 | Airflow reversing mechanism of vertical coal ventilation air methane oxidizing device |
| CN102734499A (en) * | 2011-04-01 | 2012-10-17 | 淄博淄柴新能源有限公司 | Large-drift-diameter movable plate type four-way reversing device |
| CN102230393A (en) * | 2011-04-11 | 2011-11-02 | 山东理工大学 | Gas intake, exhaust and flow guide device of coal mine ventilation air methane preheating catalytic oxidizer |
| CN102230393B (en) * | 2011-04-11 | 2013-06-19 | 山东理工大学 | Gas intake, exhaust and flow guide device of coal mine ventilation air methane preheating catalytic oxidizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110316 Effective date of abandoning: 20120523 |