CN207178071U - A kind of gas turbine inlet air filtration device - Google Patents
A kind of gas turbine inlet air filtration device Download PDFInfo
- Publication number
- CN207178071U CN207178071U CN201720782083.3U CN201720782083U CN207178071U CN 207178071 U CN207178071 U CN 207178071U CN 201720782083 U CN201720782083 U CN 201720782083U CN 207178071 U CN207178071 U CN 207178071U
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- China
- Prior art keywords
- gas turbine
- filter
- noise reduction
- air
- filtration device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Filtering Of Dispersed Particles In Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The utility model discloses a kind of gas turbine inlet air filtration device, preprocessing part (2), crude fibre filter element (3), electrostatic precipitation and noise reduction part (4) are sequentially arranged at intervals between the air inlet of filter shell (1) and gas outlet, the crude fibre filter element (3) only has fiber coarse filtration layer (31), the electrostatic precipitation and noise reduction part (4) include some groups of battery lead plates, every group of battery lead plate includes two pieces of relative battery lead plates for connecing positive pole and negative pole respectively, while electrode plate surface has laid sound-absorbing material layer.The utility model has advantages below compared with prior art：The resistance of combustion engine gas handling system can be reduced while high-effective dust-removing, improves the economy of gas turbine group.
Description
Technical field
It the utility model is related to air dedusting system, more particularly to a kind of dust pelletizing system of gas turbine inlet air.
Background technology
Required air capacity is 40-50 times of its required fuel quantity when combustion engine works, the direct shadow of clean-up performance of air inlet
Ring the efficiency and safety of gas turbine.The main function of inlet air filter system be filter out impurity particle such as dust in air,
Liquid impurity such as rainwater drop, droplet etc. in sand, inorganic salts, oil gas etc. and air, prevent them from entering compressor, cause to press
Abrasion, corrosion and the fouling of mechanism of qi blade and interior channel surface, so as to ensure that compressor efficiently works.
Existing gas turbine inlet air filtration system mainly includes preprocessing part, coarse filtration and refined filtration part, silencer portion
Grade several parts.Wherein preprocessing part be usually raindrop in the air being removed into using inertia separator, snow and
Bigger particle.Coarse filtration and refined filtration are made up of several filter cylinders with 1~3 layer of fibrous filter, according to related data, fiber
The filtration result of particulate of the filtering material to size below 1 micron is bad.Muffler typically uses plate type silencer.
Deficiency existing for current gas turbine inlet air filtration device is：1st, vapour lock is entered in fibrous filter (filter cylinder) part
Power is larger, especially with hole very little fibrous filter net when it is particularly evident, this can reduce the performance of compressor；2nd, due to fibre
The dimensional filter device characteristic of itself, determine that its filter effect to minute dust, particle is bad, cause little particulate in inlet channel
Gradually deposited with compressor inner surface, so as to reduce the performance of compressor；3rd, the dust on fibrous filter is assembled to a certain extent,
Circulating resistance can increase rapidly, be currently to carry out blowback using compressed air to sweep, this needs to increase complicated compressed air line
And its control system, this can increase investment and system complexity；4th, the service life of fibrous filter be it is limited, it is necessary to it is regular more
Change, except increase spare part is paid wages, can also influence the utilization rate of unit.5th, existing combustion engine inlet air filter system volume is larger, unfavorable
In saving the area.
Utility model content
Technical problem to be solved in the utility model is the provision of one kind can reduce combustion while high-effective dust-removing
The resistance of machine gas handling system, improve the gas turbine inlet air filtration device of the economy of gas turbine group.
The utility model is that solve above-mentioned technical problem by the following technical programs：A kind of gas turbine inlet air filtration dress
Put, including filter shell (1), preprocessing part (2), crude fibre filter element (3), electrostatic precipitation and noise reduction part (4),
It is a cavity inside the filter shell (1), its front-end and back-end has air inlet and a gas outlet respectively, and air is from entering
Gas port enters air intake filter, gas outlet connection the entering using the compressor of the air after filtering of filter shell (1)
Mouthful, preprocessing part (2), thick fibre are sequentially arranged at intervals between the air inlet of the filter shell (1) and gas outlet
Dimensional filter element (3), electrostatic precipitation and noise reduction part (4), the crude fibre filter element (3) only have fiber coarse filtration layer
(31), the electrostatic precipitation and noise reduction part (4) include some groups of battery lead plates, and every group of battery lead plate includes two pieces and relative connect respectively
The battery lead plate of positive pole and negative pole, while electrode plate surface has laid sound-absorbing material layer.
As preferable technical scheme, the preprocessing part (2) include install in the upper and lower order air inlet several
Rain shade (21).
As preferable technical scheme, inertia separator (22) is additionally provided with each rain shade (21).
As preferable technical scheme, the hole of the fiber coarse filtration layer (31) ensures that more than 1um particle can be by mistake
Filter.
As preferable technical scheme, the bottom of electrostatic precipitation and noise reduction part (4) is located on filter shell (1)
Ash bucket (5) is additionally provided with, ash bucket (5) connects electrostatic precipitation and noise reduction part (4).
As preferable technical scheme, ash bucket (5) is arranged on the interposition of the bottom of electrostatic precipitation and noise reduction part (4)
Put.
The utility model has advantages below compared with prior art：
1st, due to eliminating the refined filtration part in existing filter cylinder so that obtaining the same of equal or higher filter efficiency
When, greatly reduce the resistance of gas handling system；
2nd, electrostatic precipitator is added, due to the characteristic of electrostatic precipitator technology：Particulate of the size in below 1um is filtered out
Ability is significantly greater than fabric filter, and this causes in the case of long-play, using the air intake filter energy of the program
Greatly reduce deposition of the minute impurities in air intake duct and compressor inner surface, so as to improve the performance of gas turbine group；
3rd, due to eliminating the filter bed of essence in original filter cylinder so that the dust capaciting ability of filter cylinder is substantially improved, and can cancel original
The compressed air blowback sweeping device come, and the coarse filtration layer of filter cylinder need only being cleaned or changed when shutting down, reduce into
The maintenance workload of gas filtration system, improve the availability of unit；
4th, the design being combined as a result of electrostatic precipitator with muffler, greatlys save space so that arrangement is more
Big inlet channel is possibly realized, and also reduces the resistance of gas handling system to a certain extent.
Brief description of the drawings
Fig. 1 is the shaft side figure of the utility model gas turbine inlet air filtration device；
Fig. 2 is the side view of the utility model gas turbine inlet air filtration device；
Fig. 3 is the crude fibre filter element profile of the utility model gas turbine inlet air filtration device.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
As shown in figure 1, the present embodiment, which includes gas turbine inlet air filtration device, includes filter shell 1, pretreatment portion
Divide 2, crude fibre filter element 3, electrostatic precipitation and noise reduction part 4.
It is a cavity inside the filter shell 1, its front-end and back-end has air inlet and gas outlet respectively, empty
Gas enters air intake filter from air inlet, and the gas outlet connection of filter shell 1 uses the compressor of the air after filtering
Entrance.
It is sequentially arranged at intervals between the air inlet of the filter shell 1 and gas outlet, is preprocessing part 2, thick
Fiber filter element 3, electrostatic precipitation and noise reduction part 4.
Air enters air intake filter from air inlet, successively by preprocessing part 2, crude fibre filter element 3 and quiet
Electric precipitation and noise reduction part 4, eventually enter into compressor.
The preprocessing part 2 includes several rain shades 21 to install in the upper and lower order in air inlet, for blocking outside
Rainwater, snow and larger impurity entrance.
As the technical scheme further optimized, inertia separator 22 is additionally provided with each rain shade 21, for separating
Particulate matter or separation water droplet in air, prevent particulate matter or water droplet from entering in the cavity of filter shell 1.
The roughly fiber filter element 3 has fiber coarse filtration layer 31, and it is suitable that the selection of fiber coarse filtration layer 31 has
The filter material of pore size so that most more than 1um particle can be filtered.The filter material selects glass fibre material
Material.
The electrostatic precipitation and noise reduction part 4 include some groups of battery lead plates, and every group of battery lead plate includes two pieces of relative difference
The battery lead plate of positive pole and negative pole is connect, below 1um particulate is adsorbed on battery lead plate in the presence of electrostatic field, while battery lead plate
Sound-absorbing material has been laid on surface, and battery lead plate also has the effect of acoustical panel concurrently, can reduce the noise of inlet air filter system.
As the scheme further optimized, the bottom of electrostatic precipitation and noise reduction part 4 is located on filter shell 1
Ash bucket 5 is additionally provided with, ash bucket 5 connects electrostatic precipitation and noise reduction part 4, the dust filtered out for electrostatic precipitation and noise reduction part 4
And particle.Preferable ash bucket 5 is arranged on the centre position of the bottom of electrostatic precipitation and noise reduction part 4.Dust collection on battery lead plate
Poured to a certain extent by water in the ash bucket 5 of lower section.
This programme is compared with the advantage of prior art：1st, due to eliminating the refined filtration part in existing filter cylinder so that obtaining
On an equal basis or while higher filter efficiency, greatly reduce the resistance of gas handling system；2nd, electrostatic precipitator is added, by
In the characteristic of electrostatic precipitator technology：Fabric filter is significantly greater than to filter out ability of the size in below 1um particulate, this causes
In the case of long-play, minute impurities can be greatly reduced in air intake duct using the air intake filter of the program and calmed the anger
The deposition of machine inner surface, so as to improve the performance of gas turbine group；3rd, due to eliminating the filter bed of essence in original filter cylinder so that filter
The dust capaciting ability of cylinder is substantially improved, and can cancel original compressed air blowback sweeping device, and need only be when shutting down to filter cylinder
Coarse filtration layer is cleaned or changed, and reduces the maintenance workload of inlet air filter system, improves the availability of unit； 4、
The design being combined as a result of electrostatic precipitator with muffler, greatlys save space so that the bigger air inlet of arrangement is led to
Road is possibly realized, and also reduces the resistance of gas handling system to a certain extent.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of gas turbine inlet air filtration device, including filter shell (1), the filter shell (1) has sky
Chamber, its front-end and back-end have air inlet and a gas outlet respectively, and air enters air intake filter from air inlet, outside filter
The gas outlet connection of shell (1) uses the entrance of the compressor of the air after filtering, it is characterised in that also including preprocessing part
(2), crude fibre filter element (3), electrostatic precipitation and noise reduction part (4), the filter shell (1) air inlet and go out
Preprocessing part (2), crude fibre filter element (3), electrostatic precipitation and noise reduction part (4) are sequentially arranged at intervals between gas port,
The crude fibre filter element (3) only has fiber coarse filtration layer (31), and the electrostatic precipitation and noise reduction part (4) include some groups
Battery lead plate, every group of battery lead plate includes two pieces of relative battery lead plates for connecing positive pole and negative pole respectively, while electrode plate surface is laid
Sound-absorbing material layer.
A kind of 2. gas turbine inlet air filtration device according to claim 1, it is characterised in that the preprocessing part
(2) several rain shades (21) to install in the upper and lower order in air inlet are included.
3. a kind of gas turbine inlet air filtration device according to claim 2, it is characterised in that in each rain shade (21)
It is additionally provided with inertia separator (22).
A kind of 4. gas turbine inlet air filtration device according to claim 1, it is characterised in that the fiber coarse filtration layer
(31) hole ensures that more than 1um particle can be filtered.
A kind of 5. gas turbine inlet air filtration device according to claim 1, it is characterised in that filter shell (1)
The upper bottom positioned at electrostatic precipitation and noise reduction part (4) is additionally provided with ash bucket (5), ash bucket (5) connection electrostatic precipitation and noise elimination part
Divide (4).
6. a kind of gas turbine inlet air filtration device according to claim 5, it is characterised in that ash bucket (5) is arranged on quiet
The centre position of the bottom of electric precipitation and noise reduction part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720782083.3U CN207178071U (en) | 2017-06-30 | 2017-06-30 | A kind of gas turbine inlet air filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720782083.3U CN207178071U (en) | 2017-06-30 | 2017-06-30 | A kind of gas turbine inlet air filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178071U true CN207178071U (en) | 2018-04-03 |
Family
ID=61735211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720782083.3U Expired - Fee Related CN207178071U (en) | 2017-06-30 | 2017-06-30 | A kind of gas turbine inlet air filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178071U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252965A (en) * | 2018-04-16 | 2018-07-06 | 亿昇(天津)科技有限公司 | A kind of magnetic suspension air blower air intake filter with sound deadening |
| CN110513195A (en) * | 2019-09-27 | 2019-11-29 | 江苏欧瑞特新材料有限公司 | The board-like prefilter of gas turbine inlet air system |
| WO2020083099A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine emission treatment system and method |
| CN112302800A (en) * | 2020-10-28 | 2021-02-02 | 无锡华南钢结构环保有限公司 | Dust accumulation and dust hopper of air inlet system for gas turbine |
-
2017
- 2017-06-30 CN CN201720782083.3U patent/CN207178071U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252965A (en) * | 2018-04-16 | 2018-07-06 | 亿昇(天津)科技有限公司 | A kind of magnetic suspension air blower air intake filter with sound deadening |
| WO2020083099A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine emission treatment system and method |
| WO2020083097A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine emission treatment system and method |
| WO2020083098A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine emission treatment system and method |
| WO2020083096A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine emission treatment system and method |
| CN110513195A (en) * | 2019-09-27 | 2019-11-29 | 江苏欧瑞特新材料有限公司 | The board-like prefilter of gas turbine inlet air system |
| CN112302800A (en) * | 2020-10-28 | 2021-02-02 | 无锡华南钢结构环保有限公司 | Dust accumulation and dust hopper of air inlet system for gas turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20190630 |