CN205747434U - Colliery air-supply unit and use this air-supply unit well head air heating unit - Google Patents
Colliery air-supply unit and use this air-supply unit well head air heating unit Download PDFInfo
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- CN205747434U CN205747434U CN201620536583.4U CN201620536583U CN205747434U CN 205747434 U CN205747434 U CN 205747434U CN 201620536583 U CN201620536583 U CN 201620536583U CN 205747434 U CN205747434 U CN 205747434U
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Abstract
This utility model colliery air-supply unit and use the well head air heating unit of this air-supply unit relate to a kind of air-supply unit for the heating of colliery air intake in winter well head air intake and use the heating unit of this air-supply unit.Its purpose is to provide a kind of air quantity is big, noise is low, power consumption is little, volume is little colliery air-supply unit and use the well head air heating unit of this air-supply unit.Colliery air-supply unit in this utility model includes the independent air-feeding unit that at least two is connected in parallel, independent air-feeding unit includes little blower fan (1) and independent ventiduct, the air outlet of little blower fan is connected with the air intake of independent ventiduct, and independent ventiduct arranges silencing cotton (3).The well head air heating unit using above-mentioned colliery air-supply unit in this utility model includes a tubular shell (6), colliery air-supply unit is fixedly mounted in housing, the outlet air end of independent ventiduct is provided with pipe serial-plate type heat exchanger, and heat exchanger is fixed on the inwall of housing.
Description
Technical field
This utility model relates to field, colliery, particularly relates to a kind of sending for the heating of colliery air intake in winter well head air intake
Blower fan group and use the heating unit of this air-supply unit, or for air intake well head air-supply in summer cooling unit.
Background technology
Using low-temperature water heating as heat source, traditional coal pithead air heating unit be usually use separate unit or two from
Core type blower fan is as integral machines of function combinations such as air-supply power source, employing pipe lacing film heat exchanger, additional other filtration, noise reductions
Group.Owing to colliery downcast ventilation is big, the separate unit well head air heating general air quantity of unit is bigger.
Conventional cryogenic hot water well head air heating unit there is problems in that (1) is big due to the noise of centrifugal blower, it is impossible to
Meet air intake well head operating environment requirements；(2) for noise reduction, well head air heating unit need to increase the merit such as static pressure section and noise reduction section
Can, cause equipment volume excessive；(3) Unit Combination function is many, and the resistance of unit own is big, causes blower fan power consumption excessive；(4) when two
During platform centrifugal fan parallel connection air-supply, the air-supply between two Fans interferes, and causes total air output to reduce.
Utility model content
The technical problems to be solved in the utility model is to provide the colliery that a kind of air quantity is big, noise is low, power consumption is little, volume is little
Air-supply unit and use this air-supply unit well head air heating or cooling unit.
In this utility model colliery air-supply unit, the independent air-feeding unit being connected in parallel including at least two, described solely
Vertical blowing unit includes little blower fan and independent ventiduct, and the described air outlet of little blower fan is connected with the air intake of independent ventiduct, described
Silencing cotton is set on independent ventiduct.
Colliery air-supply unit in this utility model, the air quantity of wherein said little blower fan is less than 6000m3/ h, power is not
More than 500W.
Colliery air-supply unit in this utility model, the parallel of wherein said independent air-feeding unit is: little wind
The air inlet of machine is all fixedly mounted in a fixed plate, connects by securing member is fixing between adjacent two independent ventiducts.
Colliery air-supply unit in this utility model, wherein said independent ventiduct includes interconnective first air channel and the
Two air channels, the air outlet of described little blower fan and the second air channel connect, and the cross section in described first air channel is rectangle or circle, described
The one end in the second air channel is the circle matched with little fan outlet, and the other end in the second air channel is and the first air channel cross section
The rectangle matched or circle.
Colliery air-supply unit in this utility model, the quantity of wherein said independent air-feeding unit is 2,3,4,6
Individual, 8 or 9.
The well head air heating unit using above-mentioned colliery air-supply unit in this utility model, including a tubular shell,
Described colliery air-supply unit is fixedly mounted in housing, and the outlet air end of described independent ventiduct is provided with heat exchanger, and described heat exchanger is solid
It is scheduled on the inwall of housing.
In this utility model well head air heating unit, wherein said heat exchanger is pipe serial-plate type heat exchanger, described solely
It is provided with elastic seal ring between outlet air end and the pipe serial-plate type heat exchanger in vertical air channel.
Well head air heating unit in this utility model, the air inlet of wherein said little blower fan is provided with and is fixed on housing
Drainage screen on inwall, has gap between described drainage screen and described colliery air-supply unit.
Well head air heating unit in this utility model, is also fixed with wire gauze, described ferrum in wherein said housing
Silk screen and described colliery pressure fan group lay respectively at the both sides of pipe serial-plate type heat exchanger.
Well head air heating unit in this utility model, one end of wherein said housing is provided with flange, described flange with
Described wire gauze is positioned at same one end of housing.
Colliery air-supply unit in this utility model uses the independent air-feeding unit being connected in parallel, and independent air-feeding unit includes
Little blower fan and coupled independent ventiduct, the sound source Superposition Formula of several identical acoustical powers is Lw=Lw1+ 10lgn, its
Middle Lw1Being the noise of single little blower fan, n is little blower fan number, as we select air quantity to be 4500m3The little blower fan of/h, its blower fan
Noise is 62dB (A), then Lw=62+10lg9=71.5dB (A) after 9 identical sound source superpositions, adds on independent ventiduct
Silencing cotton is set, can completely by the noise control of blower fan group within 70dB (A).At colliery of the present utility model air-supply unit
In, each little blower fan is individually correspondingly arranged an independent ventiduct, it is to avoid the air-supply interference between each little blower fan, it is possible to reduce
Total air output loss.This utility model has been given up in existing colliery air-supply unit and is used static pressure section and noise reduction section to reduce noise
Method, volume is less, and therefore power consumption is the least.In sum, the air-supply of the colliery in this utility model unit low noise, volume
Little, power consumption is little and air quantity is big.In like manner, the well head air heating unit that have employed above-mentioned colliery air-supply unit is equally reached low
The utility model effect that noise, volume are little, power consumption is little and air quantity is big.
Well head air heating unit in this utility model, due to independent ventiduct and the pipe string of the air-supply each little blower fan of unit
Have employed elastic seal ring between sheet heat exchanger, independent ventiduct and Tube Sheet of Heat Exchanger string sheet define independent ventilation and add the passage of heat, from
And well head air can be made to heat the utility model effect that unit preferably reaches low noise, volume is little, power consumption is little and air quantity is big.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the front sectional view of the inlet air heating train embodiments one in this utility model；
Fig. 2 is the sectional view of line A-A along Fig. 1；
Fig. 3 is the front sectional view of the inlet air heating train embodiments two in this utility model；
Fig. 4 is the sectional view of line B-B along Fig. 3；
Fig. 5 is the front sectional view of the inlet air heating train embodiments three in this utility model；
Fig. 6 is the sectional view of line C-C along Fig. 5；
Fig. 7 is the front sectional view of the inlet air heating train embodiments four in this utility model；
Fig. 8 is the sectional view of line D-D along Fig. 7；
Fig. 9 is that well head air of the prior art heats unit；
Figure 10 is the sectional view of E-E line along Fig. 9；
Figure 11 is point layout schematic diagram.
Detailed description of the invention
Embodiment one
As it is shown in figure 1, and combine shown in Fig. 2, colliery in this utility model air-supply unit includes that at least two parallel connection is even
The independent air-feeding unit connect, all independent air-feeding unit are connected in parallel as in cellular air-supply unit, in the present embodiment, if
Having 9 independent air-feeding unit being connected in parallel, 9 independent air-feeding unit is the display arrangement of 3 row 3 row.Described independent air-feeding list
Unit includes that little blower fan 1 and independent ventiduct, the described little air outlet of blower fan 1 are connected with the air intake of independent ventiduct, described independent wind
Silencing cotton 3 is set on road.In this utility model, little blower fan 1 refers to air quantity less than 6000m3/ h, power is not more than
500W, noise is at 62dB (A).In the present embodiment, little blower fan 1 is axial flow blower.
Colliery air-supply unit in this utility model, the parallel of wherein said independent air-feeding unit is: little wind
The air inlet of machine 1 is all fixedly mounted in a fixed plate 4, connects by securing member is fixing between adjacent two independent ventiducts.As
Shown in Fig. 2, fixed plate 4 offering and one to one through hole identical with little blower fan 1 quantity, the air inlet of little blower fan 1 is fixed
Corresponding through hole in fixed plate 4.Connect by bolt or rivet are fixing between two adjacent independent ventiducts, when
So, the securing member connecting independent ventiduct is not limited to bolt and rivet, as long as can connect fixing for two adjacent independent ventiducts
?.
Described independent ventiduct includes interconnective first air channel 2 and the second air channel 5, the air outlet of described little blower fan 1 with
Second air channel 5 connects, and the cross section in described first air channel 2 is rectangle, and the one end in described second air channel 5 is and the air-out of little blower fan 1
The circle that mouth matches, the other end in the second air channel 5 is the rectangle matched with the first air channel 2 cross section.Second air channel 5 is referred to as
For hemispherical dome noise elimination wind conduit.
The cross section in the first air channel 2 can also be circular, oval or other shapes, accordingly, and the second air channel 5 and its phase
One end is also circular, oval or other shapes, in order to match with the shape of cross section in the first air channel 2.
The well head air heating unit using above-mentioned colliery air-supply unit in this utility model, including a tubular shell 6,
Described colliery air-supply unit be fixedly mounted in housing 6, concrete mode is: colliery air-supply unit in fixed plate 4 and be positioned at
Peripheral independent ventiduct is fixed on the inwall of tubular shell 6, and the outlet air end of described independent ventiduct is provided with pipe serial-plate type heat exchanger
7, described pipe serial-plate type heat exchanger 7 is fixed on the inwall of housing 6.
It is provided with elastic seal ring 11 between outlet air end and the pipe serial-plate type heat exchanger 7 of independent ventiduct, elastic seal ring 11
Shape matches with the shape of cross section in the first air channel 2, and its effect is to prevent between the first air channel 2 and pipe serial-plate type heat exchanger 7
Leak out, owing to pipe serial-plate type heat exchanger 7 self is with the fin along air supply direction, so also being formed on pipe serial-plate type heat exchanger 7
Independent air-feeding passage that is corresponding with the first air channel 2 and that connect, so, respective air streaming is being gone out pipe by each little blower fan 1
All without interfering before serial-plate type heat exchanger 7, improve total air output.
The air inlet of little blower fan 1 is provided with the drainage screen 8 being fixed on housing 6 inwall, described drainage screen 8 and described colliery
Gap is had between air-supply unit.The impurity that drainage screen 8 is prevented from air is set and flows into the heating of well head air with air
In unit.
Also being fixed with wire gauze 9 in housing 6, described wire gauze 9 lays respectively at pipe string sheet with described colliery pressure fan group
The both sides of formula heat exchanger 7.Wire gauze 9 can play the effect of protection heating unit, prevents the animals such as mouse from entering and produces it
Destroy.
One end of housing 6 is provided with flange 10, and flange 10 and wire gauze 9 are positioned at same one end of housing 6.Arranging flange 10 can
Convenient heating unit fixed installation.
Described on end, drainage screen 8, fixed plate 4, the 5, first air channel 2, little blower fan the 1, second air channel, finned heat exchanger 7, ferrum
Silk screen 9 and flange 10 are sequentially arranged on housing 6.
Colliery air-supply unit in this utility model uses the independent air-feeding unit being connected in parallel, and independent air-feeding unit includes
Little blower fan 1 and coupled independent ventiduct, the sound source Superposition Formula of several identical acoustical powers is Lw=Lw1+ 10lgn, its
Middle Lw1Being the noise of single little blower fan, n is little blower fan number, as we select air quantity to be 4500m3The little blower fan of/h, its blower fan
Noise is 62dB (A), then Lw=62+10lg9=71.5dB (A) after 9 identical sound source superpositions, adds on independent ventiduct
Silencing cotton 3 is set, can completely by the noise control of blower fan group within 70dB (A).In colliery of the present utility model pressure fan
In group, each little blower fan 1 is individually correspondingly arranged an independent ventiduct, it is to avoid the air-supply interference between each little blower fan 1, it is possible to
Reduce wind loss.This utility model has been given up in existing colliery air-supply unit and is used static pressure section and noise reduction section to reduce noise
Method, volume is less, and therefore power consumption is the least.In sum, the air-supply of the colliery in this utility model unit low noise, volume
Little, power consumption is little and air quantity is big.In like manner, due to independent ventiduct and the pipe serial-plate type heat exchanger of the air-supply heating each little blower fan 1 of unit
Between have employed elastic seal ring 11, independent ventiduct and Tube Sheet of Heat Exchanger string sheet define independent ventilation and add the passage of heat, have employed
The well head air stating colliery air-supply unit heats the effect that unit is equally reached low noise, volume is little, power consumption is little and air quantity is big
Really.
Owing to the well head air in this utility model heats the unit parallel connection by independent air-feeding unit and at independent wind
Silencing cotton 3 is set on road, and serves the purpose of noise reduction, eliminate the noise reduction section in original well head air heating unit, therefore
Volume is less, installs more convenient.
Well head air heating working principle of said set in this utility model is as follows:
As it is shown in figure 1, outdoor air is under the effect that is drawn of little blower fan 1, enter the second air channel 5, entered by the first air channel 2
Entering pipe serial-plate type heat exchanger 7, in string sheet pipe, heating agent or coolant are by carrying out heat exchange with wind, heat or reduce outside air temperature,
Heat or cold air after heating up or lowering the temperature are transported to colliery air intake well head.Separate unit well head air heating unit is independently sent by 9
Wind unit forms, and the quantity of independent air-feeding unit can be changed according to different well head heating air outputs.
This utility model uses the independent air-feeding unit of little air quantity blower fan and noise elimination wind conduit composition, multiple-unit form honeycomb
Formula structure forms air supply mode in parallel, is characterized in:
(1) unit fan air channel independent air-feeding, multiple-unit is used in parallel to be interfered little, and unit total blast volume is secure；
(2) each unit air-supply is uniformly, it is ensured that heat exchanger heat exchange is uniform；
(3) little fan noise is little, adds upper air duct and arranges silencing cotton, greatly reduces the noise of well head air heating unit；
(4) train unit number combination in any, compact conformation, volume is little, and floor space is little；
(5) unit airflow channel is short, and resistance is little, and unit blower fan total power consumption is little.
Throwing a flood of light on to the well head air in this utility model be heated the beneficial effect of unit, the following providing this reality
Execute the inlet air heating unit in example and well head air of the prior art heating unit air output and the contrast test of noise
Experiment.
As it is shown in figure 9, and combine shown in Figure 10, inlet air of the prior art heating unit and entering in the present embodiment
The difference of mouth air heating unit is: be often fitted without separate air-supply passage between Fans 1 ' and heat exchanger 7 '.
(1), test (contrast) condition
Experimental prototype uses model to be AXA-EX450MA/0.37-6P axial flow blower 9, model, the air-supply of every Fans
Amount is 5500m3/ h, blower press 100Pa, noise 62Db (A)；Manufactured experimently two air heating units, one: parallel fan with
It is the heating unit of cavity between heat exchanger, referred to as parallel fan cavity type air heating unit (see Fig. 9)；Its two: this reality
Execute the well head air heating unit in example, above two unit is carried out total air output and noise-measuring, and uses mean wind speed
Method calculates total air output.
Point layout: as shown in figure 11, it is that 6 rows 6 arrange that measuring point is evenly arranged；
Two unit air outlet sizes are 2700mm × 2700mm, and draught area is 5.4m2.Point layout is uniform,
Away from heat exchanger 100mm, limit spacing 225mm, dot spacing is 450mm, is arranged as 6 rows 6 and arranges, 36 measuring points altogether；
Noise-measuring point is disembarked and is organized air outlet 1.5 meters.
Air measuring: use mechanical anemometer, model: GM8901；Scope: 0-30m/s；Precision:--
Noise-measuring: use portable noise instrument, model: GM1357130dBA；Scope: 130dB；Precision: 2 grades.
(2), air quantity, noise contrast test situation
1, the air heating unit of parallel fan cavity type
Each measuring point wind speed is following (m/s):
| 1 row | 2 row | 3 row | 4 row | 5 row | 6 row | Averagely | |
| 1 row | 0.78 | 0.81 | 0.83 | 0.85 | 0.84 | 0.80 | 0.82 |
| 2 rows | 0.83 | 0.85 | 0.86 | 0.88 | 0.84 | 0.82 | 0.85 |
| 3 rows | 0.84 | 0.86 | 0.88 | 0.89 | 0.87 | 0.86 | 0.87 |
| 4 rows | 0.86 | 0.88 | 0.90 | 0.89 | 0.87 | 0.86 | 0.88 |
| 5 rows | 0.85 | 0.86 | 0.88 | 0.86 | 0.84 | 0.82 | 0.85 |
| 6 rows | 0.82 | 0.85 | 0.87 | 0.86 | 0.83 | 0.81 | 0.84 |
| Averagely | 0.83 | 0.85 | 0.87 | 0.087 | 0.85 | 0.83 | 0.85 |
The total air output of parallel fan: 5.4 × 0.85 × 3600=16524m3/h；
The average air output of the every Fans of parallel fan: 16524/9=1836m3/h；
Parallel fan nominal air volume ratio: 1836/5500=33.4%
Noise: 73.5dB (A)
2, the heating of the well head air in the present embodiment unit
Each measuring point wind speed is following (m/s):
| 1 row | 2 row | 3 row | 4 row | 5 row | 6 row | Averagely | |
| 1 row | 1.98 | 2.00 | 2.10 | 2.05 | 1.99 | 1.97 | 2.02 |
| 2 rows | 2.03 | 2.10 | 2.15 | 2.16 | 2.13 | 2.10 | 2.11 |
| 3 rows | 2.12 | 2.14 | 2.17 | 2.20 | 2.15 | 2.10 | 2.15 |
| 4 rows | 2.20 | 2.25 | 2.27 | 2.35 | 2.30 | 2.18 | 2.26 |
| 5 rows | 2.18 | 2.23 | 2.23 | 2.25 | 2.23 | 2.20 | 2.22 |
| 6 rows | 2.05 | 2.10 | 2.20 | 2.22 | 2.17 | 2.13 | 2.15 |
| Averagely | 2.09 | 2.14 | 2.19 | 2.21 | 2.16 | 2.11 | 2.15 |
The total air output of parallel fan: 5.4 × 2.15 × 3600=41796m3/h；
The average air output of the every Fans of parallel fan: 41796/9=4644m3/h；
Parallel fan nominal air volume ratio: 4644/5500=84.4%
Noise: 69.2dB (A)
(3), test result compares
1, in terms of test air quantity result, parallel fan cavity type heating unit, affected by blower fan parallel operation characteristic, unit
Total air output is only 16524m3/ h, average every Fans air output only has 1836m3/ h, parallel fan nominal air volume ratio is only
33.4%；And the well head air heating unit in the present embodiment, cavity is designed as every Fans and all configures after independent ventiduct also
Connection work, every Fans of unit substantially corresponds to work independently, and the total air output of unit is 41796m3/ h, its parallel fan name
Justice air quantity ratio is only 84.4%, and total air output improves 2.53 times, has ensured unit total air output requirement.
2, in terms of test noise result, adding sound-silencing measures owing to the air in the present embodiment heats unit, unit goes out
Mouth noise heats unit significantly lower than parallel fan cavity type.
Embodiment two
The present embodiment is with the difference of embodiment one: the quantity of described independent air-feeding unit is set to two.
As it is shown on figure 3, and combine shown in Fig. 4, colliery in this utility model air-supply unit includes that at least two parallel connection is even
The independent air-feeding unit connect, all independent air-feeding unit are connected in parallel as in cellular air-supply unit, in the present embodiment, if
There are two independent air-feeding unit being connected in parallel.Described independent air-feeding unit includes little blower fan 1 and independent ventiduct, described little blower fan
The air outlet of 1 is connected with the air intake of independent ventiduct, and described independent ventiduct arranges silencing cotton 3.In this utility model, little wind
Machine 1 refers to air quantity less than 6000m3/ h, power is not more than 500W, and noise is at 62dB (A).In the present embodiment, little blower fan 1
For axial flow blower.
Colliery air-supply unit in this utility model, the parallel of wherein said independent air-feeding unit is: little wind
The air inlet of machine 1 is all fixedly mounted in a fixed plate 4, connects by securing member is fixing between adjacent two independent ventiducts.As
Shown in Fig. 4, fixed plate 4 offering and one to one through hole identical with little blower fan 1 quantity, the air inlet of little blower fan 1 is fixed
Corresponding through hole in fixed plate 4.Connect by bolt or rivet are fixing between two adjacent independent ventiducts, when
So, the securing member connecting independent ventiduct is not limited to bolt and rivet, as long as can connect fixing for two adjacent independent ventiducts
?.
Described independent ventiduct includes interconnective first air channel 2 and the second air channel 5, the air outlet of described little blower fan 1 with
Second air channel 5 connects, and the cross section in described first air channel 2 is rectangle, and the one end in described second air channel 5 is and the air-out of little blower fan 1
The circle that mouth matches, the other end in the second air channel 5 is the rectangle matched with the first air channel 2 cross section.Second air channel 5 is referred to as
For hemispherical dome noise elimination wind conduit.
The cross section in the first air channel 2 can also be circular, oval or other shapes, accordingly, and the second air channel 5 and its phase
One end is also circular, oval or other shapes, in order to match with the shape of cross section in the first air channel 2.
The well head air heating unit using above-mentioned colliery air-supply unit in this utility model, including a tubular shell 6,
Described colliery air-supply unit be fixedly mounted in housing 6, concrete mode is: colliery air-supply unit in fixed plate 4 and be positioned at
Peripheral independent ventiduct is fixed on the inwall of tubular shell 6, and the outlet air end of described independent ventiduct is provided with pipe serial-plate type heat exchanger
7, described pipe serial-plate type heat exchanger 7 is fixed on the inwall of housing 6.
It is provided with elastic seal ring 11, the shape of elastic seal ring 11 between outlet air end and the finned heat exchanger 7 of independent ventiduct
The shape of cross section in shape and the first air channel 2 matches, and its effect is to prevent from leaking out between the first air channel 2 and pipe string sheet heat exchanger 7,
Owing to pipe serial-plate type heat exchanger 7 self is with the fin along air supply direction, so also being formed and first on pipe serial-plate type heat exchanger 7
Air channel 2 is corresponding and the independent air-feeding passage that connects, and so, respective air streaming is being gone out pipe sheet string type by each little blower fan 1
All without interfering before heat exchanger 7, improve air-supply effect.
The air inlet of little blower fan 1 is provided with the drainage screen 8 being fixed on housing 6 inwall, described drainage screen 8 and described colliery
Gap is had between air-supply unit.The impurity that drainage screen 8 is prevented from air is set and flows into the heating of well head air with air
In unit.
Also being fixed with wire gauze 9 in housing 6, described wire gauze 9 lays respectively at pipe string sheet with described colliery pressure fan group
The both sides of formula heat exchanger 7.Wire gauze 9 can play the effect of protection heating unit, prevents the animals such as mouse from entering and produces it
Destroy.
One end of housing 6 is provided with flange 10, and flange 10 and wire gauze 9 are positioned at same one end of housing 6.Arranging flange 10 can
Convenient heating unit fixed installation.
Described on end, drainage screen 8, fixed plate 4, the 5, first air channel 2, little blower fan the 1, second air channel, finned heat exchanger 7, ferrum
Silk screen 9 and flange 10 are sequentially arranged on housing 6.
Colliery air-supply unit in this utility model uses the independent air-feeding unit being connected in parallel, and independent air-feeding unit includes
Little blower fan 1 and coupled independent ventiduct, the sound source Superposition Formula of several identical acoustical powers is Lw=Lw1+ 10lgn, its
Middle Lw1Being the noise of single little blower fan, n is little blower fan number, as we select air quantity to be 4500m3The little blower fan of/h, its blower fan
Noise is 62dB (A), then Lw=62+10lg2=65dB (A) after two identical sound source superpositions, adds on independent ventiduct
Silencing cotton 3 is set, can completely by the noise control of blower fan group within 65dB (A).In colliery of the present utility model pressure fan
In group, each little blower fan 1 is individually correspondingly arranged an independent ventiduct, it is to avoid the air-supply interference between each little blower fan 1, it is possible to
Reduce wind loss.This utility model has been given up in existing colliery air-supply unit and is used static pressure section and noise reduction section to reduce noise
Method, volume is less, and therefore power consumption is the least.In sum, the air-supply of the colliery in this utility model unit low noise, volume
Little, power consumption is little and air quantity is big.In like manner, due to the air-supply heating each little blower fan 1 of unit independent ventiduct and pipe string sheet heat exchanger it
Between have employed elastic seal ring 11, independent ventiduct and Tube Sheet of Heat Exchanger string sheet define independent ventilation and add the passage of heat, have employed above-mentioned
The well head air of colliery air-supply unit heats the effect that unit is equally reached low noise, volume is little, power consumption is little and air quantity is big.
Owing to the well head air in this utility model heats the unit parallel connection by independent air-feeding unit and at independent wind
Silencing cotton 3 is set on road, and serves the purpose of noise reduction, eliminate the noise reduction section in original well head air heating unit, therefore
Volume is less, installs more convenient.
Well head air heating working principle of said set in this utility model is as follows:
As it is shown on figure 3, outdoor air is under the effect that is drawn of little blower fan 1, enter the second air channel 5, entered by the first air channel 2
Entering pipe serial-plate type heat exchanger 7, in string sheet pipe, heating agent or coolant are by carrying out heat exchange with wind, heat or reduce outside air temperature,
Heat or cold air after heating up or lowering the temperature are transported to colliery air intake well head.Separate unit well head air heating unit is independently sent by two
Wind unit forms, and the quantity of independent air-feeding unit can be changed according to different well head heating air outputs.
This utility model uses the independent air-feeding unit of little air quantity blower fan and noise elimination wind conduit composition, multiple-unit form honeycomb
Formula structure forms air supply mode in parallel, is characterized in:
(1) unit fan air channel independent air-feeding, multiple-unit is used in parallel to be interfered little, and unit total blast volume is secure；
(2) each unit air-supply is uniformly, it is ensured that heat exchanger heat exchange is uniform；
(3) little fan noise is little, adds upper air duct and arranges silencing cotton, greatly reduces the noise of well head air heating unit；
(4) train unit number combination in any, compact conformation, volume is little, and floor space is little；
(5) unit airflow channel is short, and resistance is little, and unit blower fan total power consumption is little.
Embodiment three
The present embodiment is with the difference of embodiment one: the quantity of described independent air-feeding unit is set to 3.
As it is shown in figure 5, and combine shown in Fig. 6, colliery in this utility model air-supply unit includes that at least two parallel connection is even
The independent air-feeding unit connect, all independent air-feeding unit are connected in parallel as in cellular air-supply unit, in the present embodiment, if
Having 3 independent air-feeding unit being connected in parallel, 3 independent air-feeding unit are straight line.Described independent air-feeding unit includes little
Blower fan 1 and independent ventiduct, the described little air outlet of blower fan 1 is connected with the air intake of independent ventiduct, and described independent ventiduct is arranged
Silencing cotton 3.In this utility model, little blower fan 1 refers to air quantity less than 6000m3/ h, power is not more than 500W, and noise exists
62dB(A).In the present embodiment, little blower fan 1 is axial flow blower.
The present embodiment, both can be by the colliery air-supply unit water containing 3 independent air-feeding unit specifically used when
Placing flat uses, it is also possible to it vertically places use, determines according to the practical situation of mine.
Colliery air-supply unit in this utility model, the parallel of wherein said independent air-feeding unit is: little wind
The air inlet of machine 1 is all fixedly mounted in a fixed plate 4, connects by securing member is fixing between adjacent two independent ventiducts.As
Shown in Fig. 6, fixed plate 4 offering and one to one through hole identical with little blower fan 1 quantity, the air inlet of little blower fan 1 is fixed
Corresponding through hole in fixed plate 4.Connect by bolt or rivet are fixing between two adjacent independent ventiducts, when
So, the securing member connecting independent ventiduct is not limited to bolt and rivet, as long as can connect fixing for two adjacent independent ventiducts
?.
Described independent ventiduct includes interconnective first air channel 2 and the second air channel 5, the air outlet of described little blower fan 1 with
Second air channel 5 connects, and the cross section in described first air channel 2 is rectangle, and the one end in described second air channel 5 is and the air-out of little blower fan 1
The circle that mouth matches, the other end in the second air channel 5 is the rectangle matched with the first air channel 2 cross section.Second air channel 5 is referred to as
For hemispherical dome noise elimination wind conduit.
The cross section in the first air channel 2 can also be circular, oval or other shapes, accordingly, and the second air channel 5 and its phase
One end is also circular, oval or other shapes, in order to match with the shape of cross section in the first air channel 2.
The well head air heating unit using above-mentioned colliery air-supply unit in this utility model, including a tubular shell 6,
Described colliery air-supply unit be fixedly mounted in housing 6, concrete mode is: colliery air-supply unit in fixed plate 4 and be positioned at
Peripheral independent ventiduct is fixed on the inwall of tubular shell 6, and the outlet air end of described independent ventiduct is provided with pipe serial-plate type heat exchanger
7, described pipe serial-plate type heat exchanger 7 is fixed on the inwall of housing 6.
It is provided with elastic seal ring 11 between outlet air end and the pipe serial-plate type heat exchanger 7 of independent ventiduct, elastic seal ring 11
Shape matches with the shape of cross section in the first air channel 2, and its effect is to prevent between the first air channel 2 and pipe serial-plate type heat exchanger 7
Leak out, owing to pipe serial-plate type heat exchanger 7 self is with the fin along air supply direction, so also being formed on pipe serial-plate type heat exchanger 7
Independent air-feeding passage that is corresponding with the first air channel 2 and that connect, so, respective air streaming is being gone out pipe by each little blower fan 1
All without interfering before serial-plate type heat exchanger 7, improve total air output.
The air inlet of little blower fan 1 is provided with the drainage screen 8 being fixed on housing 6 inwall, described drainage screen 8 and described colliery
Gap is had between air-supply unit.The impurity that drainage screen 8 is prevented from air is set and flows into the heating of well head air with air
In unit.
Also being fixed with wire gauze 9 in housing 6, described wire gauze 9 lays respectively at pipe string sheet with described colliery pressure fan group
The both sides of formula heat exchanger.Wire gauze 9 can play the effect of protection heating unit, prevents the animals such as mouse from entering its generation broken
Bad.
One end of housing 6 is provided with flange 10, and flange 10 and wire gauze 9 are positioned at same one end of housing 6.Arranging flange 10 can
Convenient heating unit fixed installation.
On end described, drainage screen 8, fixed plate 4, the 5, first air channel 2, little blower fan the 1, second air channel, pipe serial-plate type heat exchanger 7,
Wire gauze 9 and flange 10 are sequentially arranged on housing 6.
Colliery air-supply unit in this utility model uses the independent air-feeding unit being connected in parallel, and independent air-feeding unit includes
Little blower fan 1 and coupled independent ventiduct, the sound source Superposition Formula of several identical acoustical powers is Lw=Lw1+ 10lgn, its
Middle Lw1Being the noise of single little blower fan, n is little blower fan number, as we select air quantity to be 4500m3The little blower fan of/h, its blower fan
Noise is 62dB (A), then Lw=62+10lg3=66.8dB (A) after 3 identical sound source superpositions, adds on independent ventiduct
Silencing cotton 3 is set, can completely by the noise control of blower fan group within 65dB (A).In colliery of the present utility model pressure fan
In group, each little blower fan 1 is individually correspondingly arranged an independent ventiduct, it is to avoid the air-supply interference between each little blower fan 1, it is possible to
Reduce wind loss.This utility model has been given up in existing colliery air-supply unit and is used static pressure section and noise reduction section to reduce noise
Method, volume is less, and therefore power consumption is the least.In sum, the air-supply of the colliery in this utility model unit low noise, volume
Little, power consumption is little and air quantity is big.In like manner, due to independent ventiduct and the pipe serial-plate type heat exchanger of the air-supply heating each little blower fan 1 of unit
Between have employed elastic seal ring 11, independent ventiduct and Tube Sheet of Heat Exchanger string sheet define independent ventilation and add the passage of heat, have employed
The well head air stating colliery air-supply unit heats the effect that unit is equally reached low noise, volume is little, power consumption is little and air quantity is big
Really.
Owing to the well head air in this utility model heats the unit parallel connection by independent air-feeding unit and at independent wind
Silencing cotton 3 is set on road, and serves the purpose of noise reduction, eliminate the noise reduction section in original well head air heating unit, therefore
Volume is less, installs more convenient.
Well head air heating working principle of said set in this utility model is as follows:
As it is shown in figure 5, outdoor air is under the effect that is drawn of little blower fan 1, enter the second air channel 5, entered by the first air channel 2
Entering pipe serial-plate type heat exchanger 7, in string sheet pipe, heating agent or coolant are by carrying out heat exchange with wind, heat or reduce outside air temperature,
Heat or cold air after heating up or lowering the temperature are transported to colliery air intake well head.Separate unit well head air heating unit is independently sent by 3
Wind unit forms, and the quantity of independent air-feeding unit can be changed according to different well head heating air outputs.
This utility model uses the independent air-feeding unit of little air quantity blower fan and noise elimination wind conduit composition, multiple-unit form honeycomb
Formula structure forms air supply mode in parallel, is characterized in:
(1) unit fan air channel independent air-feeding, multiple-unit is used in parallel to be interfered little, and unit total blast volume is secure；
(2) each unit air-supply is uniformly, it is ensured that heat exchanger heat exchange is uniform；
(3) little fan noise is little, adds upper air duct and arranges silencing cotton, greatly reduces the noise of well head air heating unit；
(4) train unit number combination in any, compact conformation, volume is little, and floor space is little；
(5) unit airflow channel is short, and resistance is little, and unit blower fan total power consumption is little.
Embodiment four
The present embodiment is with the difference of embodiment one: the quantity of described independent air-feeding unit is set to 4.
As it is shown in fig. 7, and combine shown in Fig. 8, colliery in this utility model air-supply unit includes that at least two parallel connection is even
The independent air-feeding unit connect, all independent air-feeding unit are connected in parallel as in cellular air-supply unit, in the present embodiment, if
Having 4 independent air-feeding unit being connected in parallel, 4 independent air-feeding unit is the display arrangement of two row two row.Described independent air-feeding
Unit includes that little blower fan 1 and independent ventiduct, the described little air outlet of blower fan 1 are connected with the air intake of independent ventiduct, described independence
Silencing cotton 3 is set on air channel.In this utility model, little blower fan 1 refers to air quantity less than 6000m3/ h, power is not more than
500W, noise is at 62dB (A).In the present embodiment, little blower fan 1 is axial flow blower.
Colliery air-supply unit in this utility model, the parallel of wherein said independent air-feeding unit is: little wind
The air inlet of machine 1 is all fixedly mounted in a fixed plate 4, connects by securing member is fixing between adjacent two independent ventiducts.As
Shown in Fig. 8, fixed plate 4 offering and one to one through hole identical with little blower fan 1 quantity, the air inlet of little blower fan 1 is fixed
Corresponding through hole in fixed plate 4.Connect by bolt or rivet are fixing between two adjacent independent ventiducts, when
So, the securing member connecting independent ventiduct is not limited to bolt and rivet, as long as can connect fixing for two adjacent independent ventiducts
?.
Described independent ventiduct includes interconnective first air channel 2 and the second air channel 5, the air outlet of described little blower fan 1 with
Second air channel 5 connects, and the cross section in described first air channel 2 is rectangle, and the one end in described second air channel 5 is and the air-out of little blower fan 1
The circle that mouth matches, the other end in the second air channel 5 is the rectangle matched with the first air channel 2 cross section.Second air channel 5 is referred to as
For hemispherical dome noise elimination wind conduit.
The cross section in the first air channel 2 can also be circular, oval or other shapes, accordingly, and the second air channel 5 and its phase
One end is also circular, oval or other shapes, in order to match with the shape of cross section in the first air channel 2.
The well head air heating unit using above-mentioned colliery air-supply unit in this utility model, including a tubular shell 6,
Described colliery air-supply unit be fixedly mounted in housing 6, concrete mode is: colliery air-supply unit in fixed plate 4 and be positioned at
Peripheral independent ventiduct is fixed on the inwall of tubular shell 6, and the outlet air end of described independent ventiduct is provided with pipe serial-plate type heat exchanger
7, described pipe serial-plate type heat exchanger 7 is fixed on the inwall of housing 6.
It is provided with elastic seal ring 11 between outlet air end and the pipe serial-plate type heat exchanger 7 of independent ventiduct, elastic seal ring 11
Shape matches with the shape of cross section in the first air channel 2, and its effect is to prevent between the first air channel 2 and pipe serial-plate type heat exchanger 7
Leak out, owing to pipe serial-plate type heat exchanger 7 self is with the fin along air supply direction, so also being formed on pipe serial-plate type heat exchanger 7
Independent air-feeding passage that is corresponding with the first air channel 2 and that connect, so, respective air streaming is being gone out pipe by each little blower fan 1
All without interfering before serial-plate type heat exchanger 7, improve total air output.
The air inlet of little blower fan 1 is provided with the drainage screen 8 being fixed on housing 6 inwall, described drainage screen 8 and described colliery
Gap is had between air-supply unit.The impurity that drainage screen 8 is prevented from air is set and flows into the heating of well head air with air
In unit.
Also being fixed with wire gauze 9 in housing 6, described wire gauze 9 lays respectively at pipe string sheet with described colliery pressure fan group
The both sides of formula heat exchanger 7.Wire gauze 9 can play the effect of protection heating unit, prevents the animals such as mouse from entering and produces it
Destroy.
One end of housing 6 is provided with flange 10, and flange 10 and wire gauze 9 are positioned at same one end of housing 6.Arranging flange 10 can
Convenient heating unit fixed installation.
On end described, drainage screen 8, fixed plate 4, the 5, first air channel 2, little blower fan the 1, second air channel, pipe serial-plate type heat exchanger 7,
Wire gauze 9 and flange 10 are sequentially arranged on housing 6.
Colliery air-supply unit in this utility model uses the independent air-feeding unit being connected in parallel, and independent air-feeding unit includes
Little blower fan 1 and coupled independent ventiduct, the sound source Superposition Formula of several identical acoustical powers is Lw=Lw1+ 10lgn, its
Middle Lw1Being the noise of single little blower fan, n is little blower fan number, as we select air quantity to be 4500m3The little blower fan of/h, its blower fan
Noise is 62dB (A), then Lw=62+10lg4=68.0dB (A) after 4 identical sound source superpositions, adds on independent ventiduct
Silencing cotton 3 is set, can completely by the noise control of blower fan group within 68dB (A).In colliery of the present utility model pressure fan
In group, each little blower fan 1 is individually correspondingly arranged an independent ventiduct, it is to avoid the air-supply interference between each little blower fan 1, it is possible to
Reduce wind loss.This utility model has been given up in existing colliery air-supply unit and is used static pressure section and noise reduction section to reduce noise
Method, volume is less, and therefore power consumption is the least.In sum, the air-supply of the colliery in this utility model unit low noise, volume
Little, power consumption is little and air quantity is big.In like manner, due to the air-supply heating each little blower fan 1 of unit independent ventiduct and pipe string sheet heat exchanger it
Between have employed elastic seal ring 11, independent ventiduct and Tube Sheet of Heat Exchanger string sheet define independent ventilation and add the passage of heat, have employed above-mentioned
The well head air of colliery air-supply unit heats the effect that unit is equally reached low noise, volume is little, power consumption is little and air quantity is big.
Owing to the well head air in this utility model heats the unit parallel connection by independent air-feeding unit and at independent wind
Silencing cotton 3 is set on road, and serves the purpose of noise reduction, eliminate the noise reduction section in original well head air heating unit, therefore
Volume is less, installs more convenient.
Well head air heating working principle of said set in this utility model is as follows:
As it is shown in fig. 7, outdoor air is under the effect that is drawn of little blower fan 1, enter the second air channel 5, entered by the first air channel 2
Entering pipe serial-plate type heat exchanger 7, in string sheet pipe, heating agent or coolant are by carrying out heat exchange with wind, heat or reduce outside air temperature,
Heat or cold air after heating up or lowering the temperature are transported to colliery air intake well head.Separate unit well head air heating unit is independently sent by 4
Wind unit forms, and the quantity of independent air-feeding unit can be changed according to different well head heating air outputs.
This utility model uses the independent air-feeding unit of little air quantity blower fan and noise elimination wind conduit composition, multiple-unit form honeycomb
Formula structure forms air supply mode in parallel, is characterized in:
(1) unit fan air channel independent air-feeding, multiple-unit is used in parallel to be interfered little, and unit total blast volume is secure；
(2) each unit air-supply is uniformly, it is ensured that heat exchanger heat exchange is uniform；
(3) little fan noise is little, adds upper air duct and arranges silencing cotton, greatly reduces the noise of well head air heating unit；
(4) train unit number combination in any, compact conformation, volume is little, and floor space is little；
(5) unit airflow channel is short, and resistance is little, and unit blower fan total power consumption is little.
Embodiment described above is only to be described preferred implementation of the present utility model, not to this practicality
Novel scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this
Various deformation that the technical scheme of utility model is made and improvement, all should fall into the protection that this utility model claims determine
In the range of.
Claims (10)
1. a colliery air-supply unit, it is characterised in that: include the independent air-feeding unit that at least two is connected in parallel, described independence
Blowing unit includes little blower fan (1) and independent ventiduct, and the described air outlet of little blower fan is connected with the air intake of independent ventiduct, described
Silencing cotton (3) is set on independent ventiduct.
Colliery the most according to claim 1 air-supply unit, it is characterised in that: the air quantity of described little blower fan (1) is less than
6000m3/ h, power is not more than 500W.
Colliery the most according to claim 2 air-supply unit, it is characterised in that: the side of being connected in parallel of described independent air-feeding unit
Formula is: the air inlet of little blower fan (1) is all fixedly mounted in a fixed plate (4), by fastening between adjacent two independent ventiducts
Part is fixing to be connected.
Colliery the most according to claim 3 air-supply unit, it is characterised in that: described independent ventiduct includes interconnective the
One air channel (2) and the second air channel (5), the air outlet of described little blower fan (1) and the second air channel (5) connection, described first air channel (2)
Cross section be rectangle or circle, the one end in described second air channel is the circle matched with little fan outlet, the second air channel
The other end be the rectangle or circle matched with the first air channel cross section.
Colliery the most according to claim 4 air-supply unit, it is characterised in that: the quantity of described independent air-feeding unit is 2,
3,4,6,8 or 9.
6. use the well head air heating unit of air-supply unit in colliery described in any one of claim 1～5, it is characterised in that: bag
Including a tubular shell (6), described colliery air-supply unit is fixedly mounted in housing, and the outlet air end of described independent ventiduct is provided with heat exchange
Device, described heat exchanger is fixed on the inwall of housing.
Well head air the most according to claim 6 heating unit, it is characterised in that: described heat exchanger is pipe sheet string type heat exchange
Device (7), is provided with elastic seal ring (11) between outlet air end and the pipe serial-plate type heat exchanger (7) of described independent ventiduct.
Well head air the most according to claim 7 heating unit, it is characterised in that: the air inlet of described little blower fan (1)
It is provided with the drainage screen (8) being fixed on housing (6) inwall, between described drainage screen and described colliery air-supply unit, has gap.
Well head air the most according to claim 8 heating unit, it is characterised in that: described housing is also fixed with in (6)
Wire gauze (9), described wire gauze and described colliery pressure fan group lay respectively at the both sides of pipe serial-plate type heat exchanger.
Well head air the most according to claim 9 heating unit, it is characterised in that: one end of described housing (6) is provided with method
Blue (10), described flange and described wire gauze (9) are positioned at same one end of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620536583.4U CN205747434U (en) | 2016-06-03 | 2016-06-03 | Colliery air-supply unit and use this air-supply unit well head air heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620536583.4U CN205747434U (en) | 2016-06-03 | 2016-06-03 | Colliery air-supply unit and use this air-supply unit well head air heating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205747434U true CN205747434U (en) | 2016-11-30 |
Family
ID=57360248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620536583.4U Active CN205747434U (en) | 2016-06-03 | 2016-06-03 | Colliery air-supply unit and use this air-supply unit well head air heating unit |
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| Country | Link |
|---|---|
| CN (1) | CN205747434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890145A (en) * | 2016-06-03 | 2016-08-24 | 北京中矿博能节能科技有限公司 | Force draft fan set for coal mine and wellhead air heater unit using force draft fan unit |
-
2016
- 2016-06-03 CN CN201620536583.4U patent/CN205747434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890145A (en) * | 2016-06-03 | 2016-08-24 | 北京中矿博能节能科技有限公司 | Force draft fan set for coal mine and wellhead air heater unit using force draft fan unit |
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