CN105781608A - Electronic control adjusting type intake and exhaust guide system of double-reaction-chamber preheating catalytic oxidation device - Google Patents
Electronic control adjusting type intake and exhaust guide system of double-reaction-chamber preheating catalytic oxidation device Download PDFInfo
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- CN105781608A CN105781608A CN201610228943.9A CN201610228943A CN105781608A CN 105781608 A CN105781608 A CN 105781608A CN 201610228943 A CN201610228943 A CN 201610228943A CN 105781608 A CN105781608 A CN 105781608A
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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 title abstract description 12
- 230000003647 oxidation Effects 0.000 title abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000001590 oxidative effect Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 16
- 238000009423 ventilation Methods 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract 4
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 241000264877 Hippospongia communis Species 0.000 description 1
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention relates to an electronic control adjusting type intake and exhaust guide system of a double-reaction-chamber preheating catalytic oxidation device. The electronic control adjusting type intake and exhaust guide system comprises an intake manifold, an intake branch, intake flared pipes, two intake cavities, two abreast reaction chambers, an exhaust cavity and an exhaust manifold. A first guide plate is arranged in each intake flared pipe, a second guide plate is arranged in each intake cavity, and a third guide plate is arranged in the exhaust cavity. A PLC (programmable logic controller) is added, a first electronic control adjusting mechanism is added on the outer wall of each intake flared pipe, and a second electronic control adjusting mechanism is added on the sidewall of each intake cavity. The first guide plates in the intake flared pipes are adjusted and controlled to rotate by the first electronic control adjusting mechanisms, and the second guide plates in the intake cavities are adjusted and controlled to rotate by the second electronic control adjusting mechanisms. The electronic control adjusting type intake and exhaust guide system is capable of adjusting angles of the guide plates flexibly under the actual working condition of violent intake flow fluctuation to guarantee uniform distribution of intake flow and temperature of an oxidation bed, so that device operation reliability is improved while ventilation air methane oxidation ratio is increased.
Description
Technical field
Present invention relates particularly to a kind of dual-reaction chamber preheating automatically controlled adjustable type intake and exhaust flow guide system of catalytic oxidizing equipment, belong to coalmine ventilation gas utilization technical field.
Background technology
In order to improve safety in coal production process, a large amount of ventilation is generally adopted to discharge coal mine gas (being called mine air-lack, VentilationAirMethane, be called for short VAM).Methane is coal mine gas and the main component of a lot of industrial waste gas, is the second largest greenhouse gases being only second to carbon dioxide, but is also the Gas Energy Source of high-quality cleaning simultaneously.China is coal production big country, the annual pure methane discharged by coal mine methane, more than 200 billion cubic meters, not only causes the huge waste of non-renewable energy resources resource, also severe contamination atmospheric environment.
The feature that ventilation air gas volumetric concentration non-normally low (being typically in 0.1%～0.75%), air quantity and volumetric concentration fluctuation range are big determines and is difficult with conventional burners and is made directly burning.Shandong Technology Univ proposes preheating catalytic oxidation technologies, reative cell adopts the ceramic honey comb oxidation bed being loaded with noble metal catalyst that coal mine methane is carried out effective catalytic oxidation, utilize the heat pre-heating intaking that dividing wall type heat exchanger reclaims aerofluxus to realize heat feedback, to reach the thermal equilibrium state that self-heating maintains simultaneously.The oxidizing temperature field of this technology is reliable and stable, and heat recovery rate height, compact conformation, flow resistance are little, very economical feasible.The stable operation of preheating catalytic oxidizing equipment is had material impact by the uniformity of reaction indoor temperature distribution, and temperature distributing disproportionation can cause topical hypothermia, burning flame-out；Or localized hyperthermia's formation temperature gradient, produces thermal stress, oxidation bed deformation damages；Temperature is too high also will destroy the stability of catalyst, causes that catalyst activity reduces and even disappears.Along with the weary wind disposal ability of preheating catalytic oxidizing equipment is constantly strengthened, volume and the cross-sectional area of reative cell constantly increase therewith, the temperature equalization ever more important of its cross section.Air inlet flow guide system is the critical component carrying out charge flow rate distribution in preheating catalytic oxidizing equipment, it is ensured that the ventilation air methane oxidation thermal discharge also distributed uniform in reative cell, and the methane conversion of the temperature equalization and device that promote oxidation bed cross section is significant.
The intake and exhaust guiding device of the wind-insufficient preheating catalysis oxidizer of coal mine that Chinese patent literature CN201110089161.9 provides, include inlet manifold, air intake branch, air inlet flared tube, air inlet cloth bellows, reative cell, exhaust collector box, aerofluxus collapsible tube, exhaust branch pipe and exhaust main, it is equipped with deflector in air inlet flared tube, air inlet cloth bellows, exhaust collector box and aerofluxus collapsible tube, make weary wind being evenly distributed on the flow area that catalytic reaction is indoor, reduce inlet air flow dynamic resistance.But, this technical scheme yet suffers from deficiency, the angle of deflector cannot adjust flexibly in plant running process, adapts to not good to the actual condition that the fluctuation of weary wind flow is bigger, it is impossible to make reative cell cross section keep good temperature equalization when charge flow rate difference is bigger.It addition, the layout negligible amounts of deflector, it is impossible to play good water conservancy diversion effect, the flow equalization of reative cell cross section is promoted limited efficiency.In addition, yet there are no structure and the intake and exhaust flow guide system of all fairly perfect weary wind preheating catalysis oxidizer of coal mine of performance.
Summary of the invention
It is an object of the invention to make up the deficiency of the intake and exhaust flow guide system of existing wind-insufficient preheating catalytic oxidizing equipment, the automatically controlled adjustable type intake and exhaust flow guide system of a kind of dual-reaction chamber preheating catalytic oxidizing equipment is provided, ensure air inflow and the homogeneous temperature distribution of reative cell, improve reliability and the ventilation air gas oxygenation efficiency of plant running.
It is an object of the invention to be realized by following technical proposals:
A kind of dual-reaction chamber preheating automatically controlled adjustable type intake and exhaust flow guide system of catalytic oxidizing equipment, including inlet manifold, air intake branch, air inlet flared tube, two inlet chambers, two reative cells side by side, discharge chamber and exhaust main, the outside of two of which reative cell connects with two inlet chambers respectively, the inner side of two reative cells all connects with discharge chamber, and discharge chamber connects with exhaust main；Each inlet chamber all sequentially passes through an air inlet flared tube, an air intake branch being provided with adjustment valve connects with inlet manifold, the first deflector it is provided with in air inlet flared tube, it is provided with the second deflector in inlet chamber, in discharge chamber, is provided with the 3rd deflector, it is characterised in that:
Set up PLC, the outer wall of each air inlet flared tube is set up a set of first automatically controlled governor motion, the sidewall of each inlet chamber is set up a set of second automatically controlled governor motion；
The expansion angle of air inlet flared tube is 30 °～60 °, the first deflector in air inlet flared tube adopts straight plate shape deflector, 4～6 piece of first deflector and the arc-shaped guide rail with quantity it is provided with in each air inlet flared tube, arc-shaped guide rail level is fixedly mounted on the inwall of air inlet flared tube, arc-shaped guide rail is provided with the draw-in groove mated with the first deflector movable end, the movable end of the first deflector is corresponding to be slidably connected with an arc-shaped guide rail, the other end of the first deflector arranges the fixing axle of a horizontal direction, and the equal gap, two ends of fixing axle passes the sidewall of air inlet flared tube；
Being evenly equipped with 4～6 piece of second deflector and the arc-shaped guide rail with quantity in each inlet chamber, arc-shaped guide rail is vertically fixedly mounted on the inwall of inlet chamber, and arc-shaped guide rail is provided with the draw-in groove mated with the second deflector movable end；The movable end of the second deflector is corresponding to be slidably connected with an arc-shaped guide rail, the other end of the second deflector arranges the fixing axle of a horizontal direction, second deflector is shaped as arc near fixing axle head, the other end be shaped as straight plate, both seamlessly transit, each second deflector angle increases successively along air inlet flow direction, and the fixing axle of the second deflector and the distance of reative cell are about the 1/10～1/5 of inlet chamber length, and the equal gap, two ends of fixing axle passes the sidewall of inlet chamber；
It is evenly equipped with 1 near the side of reative cell in discharge chamber and ranked third deflector, often arrange 4～6 piece of the 3rd deflector, every piece of the 3rd deflector is fixedly mounted on discharge chamber inwall, it it is 40 °～60 ° with the angle of reative cell, 3rd deflector is near the arc that is shaped as of reative cell end, the other end be shaped as straight plate, both seamlessly transit；
First automatically controlled governor motion includes being arranged on the multiple electric motors on air inlet expansion segment outer wall and multiple differential pressure gauge, wherein the clutch end of every motor is corresponding through shaft coupling fixing with the end of air inlet expansion segment inner stationary shaft is connected, multiple differential pressure gauges detect reative cell in the width direction, reative cell is distributed near pressure difference along airflow direction between inlet chamber side and close discharge chamber side；
Multiple electric motors that second automatically controlled governor motion includes being arranged on inlet chamber sidewall and multiple differential pressure gauge, wherein the clutch end of every motor is corresponding through shaft coupling fixing with the end of inlet chamber inner stationary shaft is connected, and multiple differential pressure gauges detect reative cell and are distributed near pressure difference along airflow direction between inlet chamber side and close discharge chamber side along short transverse, reative cell；
The input of PLC terminates the outfan of multiple differential pressure gauges, and the output of PLC terminates the control end of each motor.
The described dual-reaction chamber preheating automatically controlled adjustable type intake and exhaust flow guide system of catalytic oxidizing equipment, the connectivity part of inlet manifold and two air intake branches is provided with deflection cone.
Its operation principle is:
Coal mine methane is divided into two parts after entering inlet manifold, two reative cells side by side are entered respectively through the preheating air intake branch of catalytic oxidizing equipment both sides, air inlet flared tube and inlet chamber, after there is oxidation reaction in two reative cells, tail gas collects in discharge chamber, finally from exhaust main discharger.Two reative cells are acquired and will gather data exporting to PLC by differential pressure gauge near inlet chamber side and the pressure difference between discharge chamber side.The PLC data according to differential pressure gauge, control motor output torque, drive fixing axle and deflector to rotate by shaft coupling, carry out the adjustment of the second deflector angle in the first deflector and inlet chamber in air inlet flared tube.The pressure difference data of differential pressure gauge output are divided into four groups, wherein two groups to be two reative cells be distributed along the pressure difference of flow area horizontal center line, other two groups to be two reative cells be distributed along the pressure difference of flow area vertical center line.Two reative cells are distributed along the pressure difference of flow area horizontal center line and are adjusted by the first deflector in air inlet flared tube, and reative cell is distributed along the pressure difference of flow area vertical center line and is adjusted by the second deflector in inlet chamber.nullFour groups of pressure difference data are processed by PLC respectively，Processing method is: PLC calculates the mean square deviation often organizing pressure difference，If mean square deviation exceeds zone of reasonableness, calculate the meansigma methods of this group pressure difference，Then the deviation of each pressure difference of this group and meansigma methods is calculated，The variable quantity at each deflector angle of inclination that this group pressure difference is corresponding is determined according to this deviation，Then the rotational angle of each deflector of correspondence and the torque of motor output are calculated，PLC outputs signal to the angle of each motor adjustment deflector of correspondence，Calculate the mean square deviation of this new group pressure difference，If mean square deviation, stops adjusting in the reasonable scope，If mean square deviation still beyond zone of reasonableness, continues according to above method adjustment，Until the mean square deviation often organizing pressure difference is down to zone of reasonableness，Reative cell is finally made vertically longitudinally all to reach to be uniformly distributed with the pressure difference of horizontal cross.
The present invention compared with prior art, major advantage and providing the benefit that:
1, this flow guide system air inlet flared tube, inlet chamber and discharge chamber all arrange sufficient amount of deflector, can ensure that the horizontal cross of reative cell cross section and vertical longitudinal air inflow distribution are respectively provided with good harmony, avoiding producing flow blind angle and eddy current, the flow resistance making device overall reduces simultaneously.The air inflow of two reative cells can be adjusted by the adjustment valve of air intake branch, it is ensured that the air inflow of two reative cells is uniform.
2, the angle of the deflector of air inlet flared tube and inlet chamber adjusts in real time according to the pressure difference signal of differential pressure gauge, the actual condition that the fluctuation of weary wind flow is bigger is adapted to preferably, it is possible to make reative cell cross section keep good temperature equalization when charge flow rate changes greatly.
3, the shape root of inlet chamber deflector adopts circular arc, rounding off is to the straight plate of end, and deflector root retains certain interval with reative cell, avoid deflector root generation flow blind angle and cause that in reative cell, local flow reduces, make the air inflow distributing equilibrium of reative cell entrance and continuous, make catalytic oxidation process more reliable and more stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the left view of embodiment illustrated in fig. 1 structure.
Fig. 3 is the A-A profile of embodiment illustrated in fig. 1 structure.
Fig. 4 is the structure for amplifying schematic diagram of the second deflector and arc-shaped slide rail in embodiment illustrated in fig. 1 inlet chamber.
In figure: 1, inlet manifold 2, air intake branch 3, air inlet flared tube 4, inlet chamber 5, reative cell 6, discharge chamber 7, exhaust main 8, regulate valve the 9, first deflector the 10, second deflector the 11, the 3rd deflector 12, PLC13, arc-shaped guide rail 14, draw-in groove 15, fixing axle 16, motor 17, differential pressure gauge 18, shaft coupling 19, deflection cone
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.In the embodiment shown in Fig. 1～4:
The outside of two reative cells 5 connects with two inlet chambers 4 respectively, and the inner side of two reative cells 5 all connects with discharge chamber 6, and discharge chamber 6 connects with exhaust main 7；Each inlet chamber 4 all sequentially pass through an air inlet flared tube 3, be provided with regulate valve 8 air intake branch 2 connect with inlet manifold 1, the connectivity part of inlet manifold 1 and two air intake branches 2 is provided with deflection cone 19, the first deflector 9 it is provided with in air inlet flared tube 3, it is provided with the second deflector 10 in inlet chamber 4, in discharge chamber 6, is provided with the 3rd deflector 11；
PLC12 is set, the outer wall of each air inlet flared tube 3 arranges a set of first automatically controlled governor motion, the sidewall of each inlet chamber 4 arranges a set of second automatically controlled governor motion；
The expansion angle of air inlet flared tube 3 is 50 °, the first deflector 9 in air inlet flared tube 3 adopts straight plate shape deflector, 4 piece of first deflector 9 and the arc-shaped guide rail 13 with quantity it is provided with in each air inlet flared tube 3, arc-shaped guide rail 13 level is fixedly mounted on the inwall of air inlet flared tube 3, arc-shaped guide rail 13 is provided with the draw-in groove 14 mated with the first deflector 9 movable end, the movable end of the first deflector 9 is corresponding to be slidably connected with an arc-shaped guide rail 13, the other end of the first deflector 9 arranges the fixing axle 15 of a horizontal direction, the equal gap, two ends of fixing axle 15 passes the sidewall of air inlet flared tube 3；
Being evenly equipped with 4 piece of second deflector 10 and the arc-shaped guide rail 13 with quantity in each inlet chamber 4, arc-shaped guide rail 13 is vertically fixedly mounted on the inwall of inlet chamber 4, and arc-shaped guide rail 13 is provided with the draw-in groove 14 mated with the second deflector 10 movable end；The movable end of the second deflector 10 is corresponding to be slidably connected with an arc-shaped guide rail 13, the other end of the second deflector 10 arranges the fixing axle 15 of a horizontal direction, second deflector 10 is shaped as arc near fixing axle 15 end, the other end be shaped as straight plate, both seamlessly transit, each second deflector 10 angle increases successively along air inlet flow direction, the fixing axle 15 of the second deflector 10 is about the 1/8 of inlet chamber 4 length with the distance of reative cell 5, and the equal gap, two ends of fixing axle 15 passes the sidewall of inlet chamber 4；
It is evenly equipped with 1 near the side of reative cell 5 in discharge chamber 6 and ranked third deflector 11, often 4 piece of the 3rd deflector 11 of row, every piece of the 3rd deflector 11 is fixedly mounted on discharge chamber 6 inwall, it it is 50 ° with the angle of reative cell 5,3rd deflector 11 is shaped as arc near reative cell 5 end, the other end be shaped as straight plate, both seamlessly transit；
First automatically controlled governor motion includes being arranged on the multiple electric motors 16 on air inlet expansion segment outer wall and multiple differential pressure gauge 17, wherein the clutch end of every motor 16 is corresponding through shaft coupling 18 fixing with the end of air inlet expansion segment inner stationary shaft 15 is connected, multiple differential pressure gauges 17 detect reative cell 5 in the width direction, reative cell 5 is distributed near pressure difference along airflow direction between inlet chamber 4 side and close discharge chamber 6 side；
Second automatically controlled governor motion includes being arranged on the multiple electric motors 16 on inlet chamber 4 sidewall and multiple differential pressure gauge 17, wherein the clutch end of every motor 16 is corresponding through shaft coupling 18 fixing with the end of inlet chamber 4 inner stationary shaft 15 is connected, and multiple differential pressure gauges 17 detect reative cell 5 and are distributed near pressure difference along airflow direction between inlet chamber 4 side and close discharge chamber 6 side along short transverse, reative cell 5；
The input of PLC12 terminates the outfan of multiple differential pressure gauges 17, and the output of PLC12 terminates the control end of each motor 16.
Claims (2)
1. the dual-reaction chamber preheating automatically controlled adjustable type air inlet flow guide system of catalytic oxidizing equipment, including inlet manifold (1), air intake branch (2), air inlet flared tube (3), two inlet chambers (4), two reative cells (5) side by side, discharge chamber (6) and exhaust main (7), the outside of two of which reative cell (5) connects with two inlet chambers (4) respectively, the inner side of two reative cells (5) all connects with discharge chamber (6), and discharge chamber (6) connects with exhaust main (7)；Each inlet chamber (4) all sequentially passes through an air inlet flared tube (3), an air intake branch (2) being provided with adjustment valve (8) connects with inlet manifold (1), the first deflector (9) it is provided with in air inlet flared tube (3), the second deflector (10) it is provided with in inlet chamber (4), the 3rd deflector (11) it is provided with in discharge chamber (6), it is characterised in that:
Set up PLC (12), the outer wall of each air inlet flared tube (3) is set up a set of first automatically controlled governor motion, the sidewall of each inlet chamber (4) is set up a set of second automatically controlled governor motion；
The expansion angle of air inlet flared tube (3) is 30 °～60 °, the first deflector (9) in air inlet flared tube (3) adopts straight plate shape deflector, 4～6 piece of first deflector (9) and the arc-shaped guide rail (13) with quantity it is provided with in each air inlet flared tube (3), arc-shaped guide rail (13) level is fixedly mounted on the inwall of air inlet flared tube (3), arc-shaped guide rail (13) is provided with the draw-in groove (14) mated with the first deflector (9) movable end, the movable end of the first deflector (9) is corresponding to be slidably connected with an arc-shaped guide rail (13), the other end of the first deflector (9) arranges the fixing axle (15) of a horizontal direction, the equal gap, two ends of fixing axle (15) passes the sidewall of air inlet flared tube (3)；
4～6 piece of second deflector (10) and the arc-shaped guide rail (13) with quantity it is evenly equipped with in each inlet chamber (4), arc-shaped guide rail (13) is vertically fixedly mounted on the inwall of inlet chamber (4), and arc-shaped guide rail (13) is provided with the draw-in groove (14) mated with the second deflector (10) movable end；The movable end of the second deflector (10) is corresponding to be slidably connected with an arc-shaped guide rail (13), the other end of the second deflector (10) arranges the fixing axle (15) of a horizontal direction, second deflector (10) is shaped as arc near what fixing axle (15) was held, the other end be shaped as straight plate, both seamlessly transit, each second deflector (10) angle increases successively along air inlet flow direction, the fixing axle (15) of the second deflector (10) and the distance of reative cell (5) are about the 1/10～1/5 of inlet chamber (4) length, the equal gap, two ends of fixing axle (15) passes the sidewall of inlet chamber (4)；
It is evenly equipped with 1 near the side of reative cell (5) in discharge chamber (6) and ranked third deflector (11), often arrange 4～6 piece of the 3rd deflector (11), every piece of the 3rd deflector (11) is fixedly mounted on discharge chamber (6) inwall, it it is 40 °～60 ° with the angle of reative cell (5), 3rd deflector (11) is shaped as arc near what reative cell (5) was held, the other end be shaped as straight plate, both seamlessly transit；
First automatically controlled governor motion includes the multiple electric motors (16) and the multiple differential pressure gauge (17) that are arranged on air inlet expansion segment outer wall, wherein the clutch end of every motor (16) is corresponding through shaft coupling (18) fixing with the end of air inlet expansion segment inner stationary shaft (15) is connected, and multiple differential pressure gauges (17) detection reative cell (5) are in the width direction, between close inlet chamber (4) side of reative cell (5) and close discharge chamber (6) side, pressure difference along airflow direction is distributed；
Second automatically controlled governor motion includes the multiple electric motors (16) and the multiple differential pressure gauge (17) that are arranged on inlet chamber (4) sidewall, wherein the clutch end of every motor (16) is corresponding through shaft coupling (18) fixing with the end of inlet chamber (4) inner stationary shaft (15) is connected, and multiple differential pressure gauges (17) detection reative cell (5) are along short transverse, between close inlet chamber (4) side of reative cell (5) and close discharge chamber (6) side, pressure difference along airflow direction is distributed；
The input of PLC (12) terminates the outfan of multiple differential pressure gauges (17), and the output of PLC (12) terminates the control end of each motor (16).
2. the dual-reaction chamber according to claim 1 preheating automatically controlled adjustable type air inlet flow guide system of catalytic oxidizing equipment, it is characterised in that: the connectivity part of inlet manifold (1) and two air intake branches (2) is provided with deflection cone (19).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228943.9A CN105781608B (en) | 2016-04-13 | 2016-04-13 | Dual-reaction chamber preheats the automatically controlled adjustable type intake and exhaust flow guide system of catalytic oxidizing equipment |
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| CN201610228943.9A CN105781608B (en) | 2016-04-13 | 2016-04-13 | Dual-reaction chamber preheats the automatically controlled adjustable type intake and exhaust flow guide system of catalytic oxidizing equipment |
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| CN105781608B CN105781608B (en) | 2018-08-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112892460A (en) * | 2020-12-25 | 2021-06-04 | 宁波申江科技股份有限公司 | Self-heating methanol reforming hydrogen production reactor |
| CN113623006A (en) * | 2021-09-22 | 2021-11-09 | 华北科技学院(中国煤矿安全技术培训中心) | Gas concentration monitoring and early warning device for coal mine gas extraction |
| CN115154954A (en) * | 2022-07-01 | 2022-10-11 | 西北工业大学太仓长三角研究院 | Amphibious aircraft water drawing device with feedback mechanism flow guide rib plates |
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