CN206300311U - A kind of ventilating system for not sulfur-bearing natural gas compressor room - Google Patents
A kind of ventilating system for not sulfur-bearing natural gas compressor room Download PDFInfo
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- CN206300311U CN206300311U CN201621399411.3U CN201621399411U CN206300311U CN 206300311 U CN206300311 U CN 206300311U CN 201621399411 U CN201621399411 U CN 201621399411U CN 206300311 U CN206300311 U CN 206300311U
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Abstract
The utility model belongs to air exchange field, specifically related to a kind of ventilating system for not sulfur-bearing natural gas compressor room, including natural gas compressing computer room and blowing device, described natural gas compressing computer room bottom is provided with machinery air intake mouthful, natural gas compressor house top sets natural ventilating structure, described machinery air intake mouthful connection blowing device, improved on the basis of existing ventilating system problems analysis, using " lower mechanical air intake+roof natural exhaust " system, machinery air intake, air-supply air-flow velocity can be increased, range length and air agitation, make room, inner air and outer air is sufficiently mixed；Change mechanical exhaust for natural exhaust, to reduce ventilation velocity, make full use of hot pressing function, indoor heat is effectively discharged.
Description
Technical field
The utility model belongs to air exchange field, and in particular to a kind of ventilation for not sulfur-bearing natural gas compressor room
System.
Background technology
Natural gas compressing computer room ventilating system is used for normal ventilation and emergency ventilation, and it is to arrange to set normal ventilation purpose
Except compressor distributes the heat to factory building, make power house environment temperature less than 40 DEG C, meet indoor equipment and run well and work
Condition requirement.At present, the ventilation side that the natural gas compressing computer room such as the line of Shan capital one, Yulin natural gas processing plant, Changqing Gas Fields is used
Formula is as follows：
1st, exterior wall surrounding opens wide air draft+natural air inlet
The line natural gas compressing computer room ventilating system of Shan capital one：Exterior wall topmost surrounding is open, to air draft；Bottom sets blinds
Air port, to air intake.This ventilating system is natural ventilation system, energy-conservation；But its sand-proof, noise-proofing effect are poor.
2nd, machinery air intake+mechanical exhaust
Yulin natural gas processing plant natural gas compressing computer room uses force ventilation, and outdoor fresh air is after Ventilator Room treatment through wind
Pipe feeding is indoor, and air draft drains into outdoor by roof ventilator.This ventilating system is dust-proof, noise-proofing, but airduct takes hall space,
Influence process equipment arrangement, and factory building is lightweight steel construction, airduct destroys light steel construction when fixing.Additionally, need to be outdoor independent
Ventilator Room is set, construction investment is increased.
3rd, bottom natural air inlet+roof mechanical exhaust
The existing ventilating system of Changqing Gas Fields natural gas compressing computer room is " bottom natural air inlet+roof mechanical exhaust ".It is natural
Air inlet 24, the size in each air port is 1500mm × 1100mm (wide × high), intake 7370.5m3/h, air intake wind speed
2.32m/s, air port center absolute altitude 0.50m；Roofing installs explosion-proof roof fan 11, every exhaust air rate 16981m3/, air draft wind
Speed is 7.37m/s.
This system ventilation effect is undesirable, and summer room temperature is higher.
Natural air inlet mouth is arranged in exterior wall bottom, 24,1.5m × 1.0m (long × wide), each air port intake
7370.5m3/h, hole center absolute altitude 0.50m；Roofing installs explosion-proof roof fan, for mechanical exhaust, 11, the row per Fans
Air quantity 16981m3/h, air draft wind speed is 7.37m/s.Natural gas compressor 7, every heat dissipation capacity 100kW.
For find out the power house ventilation system effect it is undesirable the reason for, to typical section:Air inlet centre-height Y=
0.5m, workspace height Y=2.0m, compressor rise Y=6.0m, air draft open height Y=11.8m, factory building medium position X=
57m etc. has carried out temperature, speed CFD simulation demonstrations.Analog result shows, air inlet wind speed 0.2m/s, workspace wind speed
0.08~0.16m/s, 41.5 DEG C~45 DEG C of temperature in workspace." natural air inlet+mechanical exhaust " ventilating system, natural air inlet speed
Degree is small, and range is short, small to indoor air flow disturbance, and room, inner air and outer air can not be sufficiently mixed, and cause temperature drift in factory building.
Utility model content
The purpose of this utility model is to provide a kind of ventilating system for not sulfur-bearing natural gas compressor room, to solve
Above mentioned problem.
Therefore, the utility model provides a kind of ventilating system for not sulfur-bearing natural gas compressor room, including it is natural
Air compressor room and blowing device, described natural gas compressing computer room bottom are provided with machinery air intake mouthful, natural gas compressor house
Top sets natural ventilating structure, described machinery air intake mouthful connection blowing device.
Described blowing device is square wall type axial-flow fan.
Described natural ventilating structure is streamlined roof natural ventilation.
Described natural ventilating structure is 1 or is formed by multiple streamlined roof natural ventilation assembled arrangements.
Described streamlined roof natural ventilation length is 3m.
Described streamlined roof natural ventilation also includes electric operator, electric operator and streamlined roof
Natural ventilator is used cooperatively, 1 electric operator of multiple streamlined every 2 cooperations of roof natural ventilation, electronic execution
Mechanism power 380V, 50Hz.
Described each part of streamlined roof natural ventilation is made using explosion-proof lamp.
The beneficial effects of the utility model：It is this for the logical of not sulfur-bearing natural gas compressor room that the utility model is provided
Wind system, including natural gas compressing computer room and blowing device, described natural gas compressing computer room bottom are provided with machinery air intake mouthful, day
Right air compressor house top sets natural ventilating structure, and described machinery air intake mouthful connection blowing device, this kind is used for not sulfur-bearing
The ventilating system of natural gas compressing computer room is under velocity field and temperature field coupling, it is easy to the indoor heat of discharge, makes natural gas
Compressor room indoor temperature reduces 4 DEG C~5 DEG C, and environment temperature meets indoor equipment normal operation between 37 DEG C~40 DEG C
And working condition requirement.
Brief description of the drawings
The utility model is described in further details below with reference to accompanying drawing.
Fig. 1 is the new ventilating system illustraton of model of natural gas compressor.
Description of reference numerals：1st, machinery air intake mouthful；2nd, natural ventilating structure.
Specific embodiment
Embodiment 1：
As shown in figure 1, a kind of ventilating system for not sulfur-bearing natural gas compressor room, including natural gas compressing computer room and
Blowing device, described natural gas compressing computer room bottom is provided with machinery air intake mouthful 1, and natural gas compressor house top sets nature and leads to
Wind structure 2, described machinery air intake mouthful 1 connects blowing device.Carried out on the basis of existing ventilating system problems analysis
Improve, using " lower mechanical air intake+roof natural exhaust " system.Wind enters natural gas compressing computer room from mechanical air inlet 1,
Then discharged through natural ventilation structure placed on roof 2, the heat for taking away computer room reaches the effect of room temperature lowering, machinery air intake, Ke Yizeng
Plus air-supply air-flow velocity, range length and air agitation, it is sufficiently mixed room, inner air and outer air, air；Change mechanical exhaust for nature
Air draft, to reduce ventilation velocity, makes full use of hot pressing function, and indoor heat is effectively discharged.
Embodiment 2：
As shown in figure 1, on the basis of embodiment 1, described blowing device is square wall type axial-flow fan, mechanical air supply
Equipment preferably square wall type axial-flow fan, axial flow blower air quantity more common than same specification is big, length is short, it is adaptable to the place of Wind Volume
And be easily installed.
Embodiment 3：
As shown in figure 1, on the basis of embodiment 1-2, described natural ventilating structure 2 is streamlined roof natural-ventilation
Device, described natural ventilating structure 2 is formed for 1 or by multiple streamlined roof natural ventilation assembled arrangements, described
Streamlined roof natural ventilation length is 3m.
Because natural gas compressing computer room exhaust air rate is big, and the purpose of basic ventilation is to exclude waste heat in factory building, therefore, air draft sets
The alternative hot pressing function that preferably can be formed using the indoor and outdoor air temperature difference is reaching the device-streamlined room of displaced air
Top natural ventilator.
(1) press《Roof natural ventilation is selected and installation》(06K105) atlas【3】Estimation is chosen
06K105 atlas give different hp (discrepancy in elevation of exhaust outlet center and neutral level, it is m) and corresponding (Tp-Tw) DEG C
(Tp-temperature of outgoing air, DEG C；Tw-outdoor ventilation calculates temperature, DEG C) under the conditions of, the streamlined roof natural-ventilation of different size
The air quantity long of every meter of device；Then by total exhaust air rate divided by every meter long air quantity, you can obtain streamlined roof natural ventilation total length.
(2) formula is given by selected product description【4】Calculate and choose
According to formula(in formula：L-streamlined ventilator length, m；V-factory building volume, m3；A-ventilation time
Number, secondary/h；Q-respective compartments corresponding ventilation volume per minute of outer wind speed, m3/min), streamlined roof natural-ventilation can be calculated
Device total length.
In both the above computational methods, critical values are the determinations of neutral plane height.In Natural Ventilation Design, neutral plane
Position can be manually set, as long as changing into, air draft open area, then neutral plane position just occurs corresponding change.To reduce streamline
Type roof natural ventilation length, it is too high that neutral plane position should not be selected, and this secondary design takes hp for 10m.
Streamlined roof natural ventilation constitutes 1 unit per 3m.Complete streamlined roof natural ventilation can be 1
Individual separate unit, it is also possible to be made up of two termination units and several temporary locations, play more preferable exhaust effect.
Embodiment 4：
As shown in figure 1, on the basis of embodiment 1-3, described natural ventilating structure 2 also includes electric operator,
Electric operator and streamlined roof natural ventilation are used cooperatively, and multiple every 2 of streamlined roof natural ventilations coordinate 1
Individual electric operator, electric operator power supply 380V, 50Hz, each part of described streamlined roof natural ventilation is used
Explosion-proof lamp makes.
Electric operator and streamlined roof natural ventilation are with the use of saving manpower, easy to operate, streamlined room
Pushing up connecting rod, valve plate of natural ventilator etc. need to be made using explosion-proof lamp, and electrically operated valve need to be explosion-proof, is used to reduce natural gas compressing
The explosion-proof risk of computer room, designs more preferably safe and reliable.
Described natural gas compressing computer room exterior wall bottom is provided with 18 machinery air intakes mouthful 1 altogether, and each air inlet air quantity is
12000m3/ h, air intake wind speed 8.14m/s, air port size 0.71m × 0.71m；Roof is disposed with streamlined roof natural ventilation
7, streamlined roof natural ventilation size 5.6m × 2m.
Corresponding to the representative section of existing ventilating system, to new ventilating system Y=0.5m, Y=2.0m, Y=6.0m, Y
=11.8m, X=57 uiform sections have carried out temperature, wind speed simulation.Analog result shows：" arrange naturally on lower mechanical air intake+roof
The new ventilating system of wind ", factory building interior air-flow is mainly influenceed by air outlet.Air supply velocity is big (6.9m/s), and airflow cannon-shot is long, work
Area's wind speed is larger (0.1m/s~0.6m/s)；Exhaust outlet wind speed is small (0.77m/s), is conducive to room air to mix.In velocity field
And under the coupling of temperature field, it is easy to the indoor heat of discharge, make natural gas compressor room indoor temperature reduce 4 DEG C~5 DEG C, ring
Border temperature meets design requirement between 37 DEG C~40 DEG C.
During Design of Ventilation System, the reasonable setting of tuyere position need to be considered, as close to pollution sources.Used when having ready conditions
Simulation demonstration, optimizes design.
If containing H2S in gas component, mechanical exhaust facility should be set in natural gas compressing computer room exterior wall bottom.
New ventilating system advantage
1 under 28 DEG C of EAT, and the corresponding room air flow velocity of the new ventilating system of natural gas compressing computer room is larger, room
Interior temperature is relatively low, and the corresponding indoor temperature range of new ventilating system is 37~40 DEG C, lower than existing system 4~5 DEG C, meets design
It is required that.
2 large spacing factory buildings for having thermal source for interior, when use general ventilation system is lowered the temperature, recommendation use " under
The ventilating system of portion's machinery air intake+roof natural exhaust ", can obtain good cooling-down effect.
3 use streamlined roof natural ventilation air draft, can make streamlined roof natural ventilation and roof lighting board one
It is body formed.Roof natural ventilation can be avoided to set many, be fought phenomenon with plane skylight.
Exemplified as above is only for example, not constituting to protection domain of the present utility model to of the present utility model
Limitation, every design same or analogous with the utility model is belonged within protection scope of the present invention.
Claims (7)
1. a kind of ventilating system for not sulfur-bearing natural gas compressor room, including natural gas compressing computer room and blowing device, its
It is characterised by：Described natural gas compressing computer room bottom is provided with machinery air intake mouthful (1), and natural gas compressor house top sets nature
Aeration structure (2), described machinery air intake mouthful (1) connection blowing device.
2. the ventilating system in not sulfur-bearing natural gas compressor room is used for as claimed in claim 1, it is characterised in that：Described send
Wind devices are square wall type axial-flow fan.
3. the ventilating system in not sulfur-bearing natural gas compressor room is used for as claimed in claim 1, it is characterised in that：It is described from
Right aeration structure (2) is streamlined roof natural ventilation.
4. the ventilating system in not sulfur-bearing natural gas compressor room is used for as claimed in claim 3, it is characterised in that：It is described from
Right aeration structure (2) is formed for 1 or by multiple streamlined roof natural ventilation assembled arrangements.
5. the ventilating system in not sulfur-bearing natural gas compressor room is used for as claimed in claim 4, it is characterised in that：Described stream
Line style roof natural ventilation length is 3m.
6. the ventilating system in not sulfur-bearing natural gas compressor room is used for as claimed in claim 4, it is characterised in that：It is described from
Right aeration structure (2) also includes electric operator, and electric operator and streamlined roof natural ventilation are used cooperatively, many
1 electric operator of individual every 2 cooperations of streamlined roof natural ventilation, electric operator power supply 380V, 50Hz.
7. the ventilating system in not sulfur-bearing natural gas compressor room is used for as claimed in claim 6, it is characterised in that：Described stream
Each part of line style roof natural ventilation is made using explosion-proof lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399411.3U CN206300311U (en) | 2016-12-20 | 2016-12-20 | A kind of ventilating system for not sulfur-bearing natural gas compressor room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399411.3U CN206300311U (en) | 2016-12-20 | 2016-12-20 | A kind of ventilating system for not sulfur-bearing natural gas compressor room |
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| CN206300311U true CN206300311U (en) | 2017-07-04 |
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| CN201621399411.3U Active CN206300311U (en) | 2016-12-20 | 2016-12-20 | A kind of ventilating system for not sulfur-bearing natural gas compressor room |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195903A (en) * | 2019-06-04 | 2019-09-03 | 南京冠福建设工程技术有限公司 | A kind of sleeve configuration paper mill workshop fresh air processing method |
-
2016
- 2016-12-20 CN CN201621399411.3U patent/CN206300311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195903A (en) * | 2019-06-04 | 2019-09-03 | 南京冠福建设工程技术有限公司 | A kind of sleeve configuration paper mill workshop fresh air processing method |
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