CN112546699A - Device for preventing gas turbine generator stator cooling water pipeline from being polluted - Google Patents
Device for preventing gas turbine generator stator cooling water pipeline from being polluted Download PDFInfo
- Publication number
- CN112546699A CN112546699A CN202011171536.1A CN202011171536A CN112546699A CN 112546699 A CN112546699 A CN 112546699A CN 202011171536 A CN202011171536 A CN 202011171536A CN 112546699 A CN112546699 A CN 112546699A
- Authority
- CN
- China
- Prior art keywords
- cooling water
- stainless steel
- gas turbine
- stator
- turbine generator
- Prior art date
- 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.)
- Pending
Links
- 239000000498 cooling water Substances 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 48
- 239000010935 stainless steel Substances 0.000 claims abstract description 48
- 239000008213 purified water Substances 0.000 claims abstract description 6
- 239000010865 sewage Substances 0.000 claims description 9
- 238000011109 contamination Methods 0.000 claims 3
- 239000012535 impurity Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to a device for preventing a stator cooling water pipeline of a gas turbine generator from being polluted, which comprises a cylinder body positioned below the gas turbine generator and a filter which is arranged in the cylinder body and divides the space in the cylinder body into a raw water chamber and a purified water chamber, wherein a water inlet is arranged on a wall shell of the raw water chamber, a water outlet is arranged on a wall shell of the purified water chamber, the water inlet is connected with a stator cooling water outlet, the water outlet is connected with a stator cooling water inlet, the filter comprises a water chamber baffle plate and a plurality of stainless steel filter elements which are arranged in parallel, the water chamber baffle plate is provided with through holes which correspond to the stainless steel filter elements in number one by one, one end of each stainless steel filter element. Compared with the prior art, the stainless steel filter element structure with a special structure can prevent the filter element from being damaged and entering the stator cooling water pipeline after being used for a long time, so that the pipeline is prevented from being polluted and blocked.
Description
Technical Field
The invention relates to the field of gas generators, in particular to a device for preventing a cooling water pipeline of a stator of a gas turbine generator from being polluted.
Background
The stator of gas turbine generator needs the cooling water to cool off, it all need adopt the filter that has the filter core to avoid the cooling water to be polluted usually, current paper fibre filter core is facing the problem of unable long-time work usually, just once shut down maintenance and change need be carried out every half a year, but generator and stator cooling water all need continuous operation many times, the condition is overhauld not, and paper fibre filter core in case often takes place the damage after the overrun and leads to generator stator cooling water pipeline to be blockked up by the foreign matter, gas turbine generator stator temperature risees, the generating efficiency is low, take place the phenomenon that the generator burns out even when serious.
Disclosure of Invention
The inventor has discovered that the reason that above-mentioned problem produced lies in the filter core through a large amount of analysis sampling, current gas turbine stator cooling water filter core because special pressure, temperature and environmental requirement usually adopt the filter of paper fibre filter core structure, after the overuse, cause the damage of paper fibre filter core very easily, lead to impurity and paper fibre to get into stator cooling water pipeline, cause pipe pollution and jam, thereby influence the radiating effect of generator, lead to the generating efficiency low, serious will lead to the generator to burn out.
The invention aims to provide a device for preventing a cooling water pipeline of a stator of a generator of a gas turbine from being polluted, and the device can avoid pipeline pollution and blockage caused by damage of a filter element entering the cooling water pipeline of the stator after the filter element is used for a long time by relating to a stainless steel filter element structure with a special structure.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a prevent device of gas turbine generator stator cooling water piping pollution, is including the barrel that is located gas turbine generator below to and locate the barrel and divide into the filter of former hydroecium and water purification room with the space in the barrel, be equipped with the water inlet on the wall shell of former hydroecium, be equipped with the delivery port on the wall shell of water purification room, the stator cooling water export is connected to the water inlet, the delivery port is connected to stator cooling water entry, the filter includes hydroecium baffle and many parallel arrangement's stainless steel filter core, be equipped with the clearing hole with the unanimous and the one-to-one of stainless steel filter core quantity on the hydroecium baffle, stainless steel filter core one end opening, the opening of each stainless steel filter core aligns the.
Furthermore, the aperture of the stainless steel filter element is 2500 meshes.
Further, the stainless steel filter element has a diameter of 70 mm and a length of 762 mm.
Still further, the stainless steel filter core is totally provided with 18, and the arrangement is three layers: the innermost layer comprises 1 stainless steel filter element, and the middle layer comprises 6 stainless steel filter elements which surround the innermost layer; the outermost layer comprises 11 stainless steel filter elements which surround the middle layer.
Further, the device also comprises a bracket for fixing the cylinder body.
Furthermore, the water chamber baffle plate separates the raw water chamber from the purified water chamber
Furthermore, the purified water chamber is positioned above the raw water chamber.
And furthermore, a sewage outlet is formed in the wall shell at the bottom of the original water chamber.
Still further, the top of the water purifying chamber is provided with an exhaust port.
Furthermore, a pressure gauge interface of the water inlet is arranged at the position of the water inlet.
Furthermore, the water outlet is provided with a water outlet pressure gauge interface.
Compared with the prior art, the invention has the following beneficial effects:
1) through the stainless steel filter core structure of design special construction, can avoid the damaged entering stator cooling water piping of filter core after overuse, cause pipeline pollution and jam.
2) The hole of stainless steel filter core is 2500 meshes, and adopts the diameter to be 70 millimeters, and length is 762 millimeters to designed the mode that the three-layer was arranged, can satisfy under the condition that 1.0Mpa and maximum differential pressure are 0.15Mpa, improved filter fineness, optimized the cooling effect of stator cooling water, thereby improved the work efficiency of gas turbine generator.
3) The stator cooling water pipe is provided with a bottom drain outlet in a downward-in and upward-out mode, so that periodic sewage discharge and back flushing can be realized, and the situation that impurities do not pollute the stator cooling water pipe can be effectively guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
wherein: 1. the device comprises a barrel, 2, a water inlet, 3, a water outlet, 4, a stainless steel filter element, 5, a sewage draining outlet, 6, an exhaust port, 7, a water inlet pressure gauge connector and 8, a water outlet pressure gauge connector. 13. Water chamber baffle
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The utility model provides a prevent device of gas turbine generator stator cooling water piping pollution, as shown in figure 1, including the barrel 1 that is located gas turbine generator below, and locate in the barrel 1 and divide into the filter of former hydroecium 11 and water purification room 12 with the space in the barrel 1, be equipped with water inlet 2 on the wall shell of former hydroecium 11, be equipped with delivery port 3 on the wall shell of water purification room 12, stator cooling water export is connected to water inlet 2, delivery port 3 is connected to stator cooling water entry, the filter includes hydroecium baffle 13 and many parallel arrangement's stainless steel filter core 4, be equipped with the clearing hole with 4 unanimous and the one-to-one of stainless steel filter core on the hydroecium baffle 13, 4 one end openings of stainless steel filter core, the opening of each stainless steel filter core 4.
Through the stainless steel filter element 4 structure of design special construction, can avoid using in the damaged entering stator cooling water pipeline of back filter element for a long time, cause pipeline pollution and jam.
The aperture of the stainless steel filter element 4 is 2500 meshes, the diameter of the stainless steel filter element 4 is 70 mm, and the length is 762 mm. The stainless steel filter element 4 is provided with 18 pieces in total, and the arrangement is three layers: the innermost layer comprises 1 stainless steel filter element 4, and the middle layer comprises 6 stainless steel filter elements 4 which surround the innermost layer; the outmost layer comprises 11 stainless steel filter elements 4 which surround the middle layer, so that the filtering precision is improved and the cooling effect of stator cooling water is optimized under the conditions that the pressure of 1.0Mpa and the maximum pressure difference of 0.15Mpa are met, and the working efficiency of the gas turbine generator is improved.
The device also comprises a bracket for fixing the cylinder 1.
The water purifying chamber 12 is positioned above the raw water chamber 11, adopts a mode of bottom inlet and top outlet and is provided with a bottom sewage discharge outlet, and can effectively ensure that impurities do not pollute the stator cooling water pipeline by periodic sewage discharge and back flushing.
A sewage outlet 5 is arranged on a wall shell at the bottom of the original water chamber 11, the specification of the sewage outlet 5 is DN50, and a valve is arranged; the top of the water purifying chamber 12 is provided with an exhaust port 6, the water inlet 2 is provided with a water inlet pressure gauge connector 7, and in addition, the water outlet 3 is provided with a water outlet pressure gauge connector 8.
Specifically, this application barrel 1 adopts 316L stainless steel material, and water inlet 2 and delivery port 3 department are equipped with the ring flange and advance, go out the water valve, and the connection form adopts M30 threaded connection and seals with the silicon rubber sealing washer. The interior of the cylinder body 1 is provided with
The 18 stainless steel filter elements 4 are made of 316L stainless steel materials by adopting a laser drilling technology, the filtering precision of each filter element is designed to be 5 mu m, namely 2500 meshes, and the design service life of each stainless steel filter element is 15 years. The design flow rate of the cylinder 1 is 40m3The design pressure is 1.0MPa, the maximum working temperature is 65 ℃, the maximum pressure difference of the inlet and the outlet of the filter element is 0.15MPa, and the hydraulic test pressure of the cylinder is 2MPa and 24 hours. The installation supporting leg bottom plate adopts two laminars, the upper layer is welded with the supporting leg, and the lower layer is welded with the foundation bolt in a field after being fixed.
This device filters the stator cooling water of generator through the stainless steel filter core in the barrel, and generator stator cooling water gets into in the barrel from the lower part water inlet, gets into the water purification room in the stainless steel filter core outside after the aperture that the precision is 5 mu m filters from stainless steel filter core inboard, and the delivery port 3 on rethread upper portion gets into in the inside stator cooling water pipeline of generator. Part of the impurities filtered by the stainless steel filter element 4 are attached to the inner wall of the stainless steel filter element 4, and most of the impurities are precipitated at the bottom of the cylinder body 1. The sewage outlet 5 at the bottom of the cylinder 1 is opened periodically, and most of impurities can be discharged out of the cylinder 1. When the generator stops running, the flow of the stator cooling water is not required to be kept, the water inlet valve can be closed, the bottom drain outlet 5 is opened, the stator cooling water naturally flows reversely by utilizing the height difference of the water level to carry out back washing on the stainless steel filter element, impurities attached to the inner part of the filter element are washed away, and the impurities flow out of the barrel through the drain outlet.
Claims (10)
1. A device for preventing a cooling water pipeline of a stator of a gas turbine generator from being polluted comprises a cylinder body (1) positioned below the gas turbine generator, and a filter which is arranged in the cylinder body (1) and divides the space in the cylinder body (1) into a raw water chamber (11) and a purified water chamber (12), a water inlet (2) is arranged on the wall shell of the raw water chamber (11), a water outlet (3) is arranged on the wall shell of the purified water chamber (12), the water inlet (2) is connected with a stator cooling water outlet, the water outlet (3) is connected with a stator cooling water inlet, it is characterized in that the filter comprises a water chamber baffle (13) and a plurality of stainless steel filter elements (4) which are arranged in parallel, the water chamber baffle (13) is provided with through holes which are consistent with the stainless steel filter elements (4) in number and correspond to one another, one end of each stainless steel filter element (4) is opened, and the openings of the stainless steel filter elements (4) are aligned and matched with the corresponding through holes respectively.
2. The device for preventing the pollution of the cooling water pipeline of the stator of the gas turbine generator as claimed in claim 1, wherein the aperture of the stainless steel filter element (4) is 2500 meshes.
3. The device for preventing the pollution of the cooling water pipeline of the stator of the gas turbine generator as claimed in claim 2, wherein the stainless steel filter element (4) has a diameter of 70 mm and a length of 762 mm.
4. The device for preventing the cooling water pipe of the stator of the gas turbine generator from being polluted according to the claim 3, characterized in that the stainless steel filter element (4) is provided with 18 filter elements in total and is arranged into three layers:
the innermost layer comprises 1 stainless steel filter element (4),
the middle layer comprises 6 stainless steel filter elements (4) which surround the periphery of the innermost layer;
the outermost layer comprises 11, surrounding the intermediate layer.
5. The device for preventing the contamination of cooling water pipes of a stator of a gas turbine generator according to claim 1, characterized by further comprising a bracket for fixing the cylinder (1).
6. The apparatus for preventing contamination of a cooling water pipe of a stator of a gas turbine generator according to claim 1, wherein the clean water chamber (12) is located above the raw water chamber (11).
7. The device for preventing the pollution of the cooling water pipeline of the stator of the gas turbine generator as claimed in claim 6, wherein a sewage draining outlet (6) is arranged on a wall shell at the bottom of the raw water chamber (11).
8. The device for preventing the contamination of the cooling water pipe of the stator of the gas turbine generator according to claim 6, wherein the top of the clean water chamber (12) is provided with an exhaust port (5).
9. The device for preventing the cooling water pipe of the stator of the gas turbine generator from being polluted according to the claim 1, characterized in that a water inlet pressure gauge joint (7) is arranged at the water inlet (2).
10. The device for preventing the pollution of the cooling water pipeline of the stator of the gas turbine generator as claimed in claim 1, wherein the water outlet (3) is provided with a water outlet pressure gauge (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171536.1A CN112546699A (en) | 2020-10-28 | 2020-10-28 | Device for preventing gas turbine generator stator cooling water pipeline from being polluted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171536.1A CN112546699A (en) | 2020-10-28 | 2020-10-28 | Device for preventing gas turbine generator stator cooling water pipeline from being polluted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112546699A true CN112546699A (en) | 2021-03-26 |
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ID=75042644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011171536.1A Pending CN112546699A (en) | 2020-10-28 | 2020-10-28 | Device for preventing gas turbine generator stator cooling water pipeline from being polluted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112546699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430188A (en) * | 2022-10-27 | 2022-12-06 | 濮阳市奥依尔节能设备制造有限公司 | Special sand remover for oil field and application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201997161U (en) * | 2011-04-01 | 2011-10-05 | 中国华电工程(集团)有限公司 | Multifunctional efficient filter |
| CN202315494U (en) * | 2011-11-17 | 2012-07-11 | 杭州水盾科技有限公司 | Filter with stainless-steel filter element |
| CN207734680U (en) * | 2017-11-01 | 2018-08-17 | 江西省亚华电子材料有限公司 | A kind of novel cartridge filter |
| CN211462286U (en) * | 2019-12-05 | 2020-09-11 | 杭州水盾科技有限公司 | Multi-core external pressure large flow filter |
| CN214075311U (en) * | 2020-10-28 | 2021-08-31 | 华能上海燃机发电有限责任公司 | Device for preventing gas turbine generator stator cooling water pipeline from being polluted |
-
2020
- 2020-10-28 CN CN202011171536.1A patent/CN112546699A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201997161U (en) * | 2011-04-01 | 2011-10-05 | 中国华电工程(集团)有限公司 | Multifunctional efficient filter |
| CN202315494U (en) * | 2011-11-17 | 2012-07-11 | 杭州水盾科技有限公司 | Filter with stainless-steel filter element |
| CN207734680U (en) * | 2017-11-01 | 2018-08-17 | 江西省亚华电子材料有限公司 | A kind of novel cartridge filter |
| CN211462286U (en) * | 2019-12-05 | 2020-09-11 | 杭州水盾科技有限公司 | Multi-core external pressure large flow filter |
| CN214075311U (en) * | 2020-10-28 | 2021-08-31 | 华能上海燃机发电有限责任公司 | Device for preventing gas turbine generator stator cooling water pipeline from being polluted |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430188A (en) * | 2022-10-27 | 2022-12-06 | 濮阳市奥依尔节能设备制造有限公司 | Special sand remover for oil field and application method |
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