CN201650385U - Steam turbine cleaning device - Google Patents
Steam turbine cleaning device Download PDFInfo
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- CN201650385U CN201650385U CN2010201733079U CN201020173307U CN201650385U CN 201650385 U CN201650385 U CN 201650385U CN 2010201733079 U CN2010201733079 U CN 2010201733079U CN 201020173307 U CN201020173307 U CN 201020173307U CN 201650385 U CN201650385 U CN 201650385U
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- steam turbine
- heat exchanger
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Abstract
The utility model discloses a steam turbine cleaning device, which comprises a heat exchanger, a water pump and an atomizing device, wherein partial geothermal steam entering the front of a steam turbine is condensed into water through the heat exchanger, the water forms into atomized water fog through the atomizing device after being pressurized through the water pump, the water fog enters the circulating part of the operational steam turbine along with the geothermal steam, and scale attached to the circulating part of the steam turbine is removed by utilizing the water fog and finally discharged out of the steam turbine. The online cleaning of the steam turbine is realized, the cleaning of the scale at the circulating part is realized when the steam turbine is in normal operation, without stopping to open the cylinder, thus the time is saved, the power generation time of the steam turbine is increased, the manual scale removal of people is not needed, human resources are saved, and meanwhile, the vane can not be damaged.
Description
Technical field
The utility model relates to the steam turbine technology field, particularly relates to a kind of steam turbine washing unit.
Background technique
Geothermal steam turbine is to be working steam with the geothermal vapour, geothermal vapour is the steam from underground geothermal well, after entering steam turbine from the steam of geothermal well,, the heat energy of steam is converted into the mechanical energy of turbine rotor rotation through a series of equipment such as stator blade and moving vanes.Geothermal vapour carries out impurity screening, divides dried up liquid through devices such as filter, steam-water separators, enter steam turbine after the filtering separation, but still contain impurity such as calcium, magnesium ion in the geothermal vapour, after steam turbine operation a period of time, its flow passage component can produce fouling, the power of steam turbine is reduced, if do not clear up the normal operation that will influence steam turbine for a long time, so must get rid of the fouling of Turbine Flow Path.
Therefore existing descaling method is a manual mode, must shut down and open cylinder, and people's craft scale removal will inevitably the expensive time, causes steam turbine to shut down for a long time, has reduced the generating dutation of steam turbine, and waste of manpower resource.
The model utility content
For solving the problems of the technologies described above, the utility model embodiment provides a kind of steam turbine washing unit, and to realize the purpose of steam turbine on-line cleaning, technological scheme is as follows:
A kind of steam turbine washing unit comprises: heat exchanger, water pump and atomising device;
Described heat exchanger is arranged in the bypass of the main steam line between steam-water separator and the steam turbine;
Described atomising device is arranged on the admission line of steam turbine; Described main steam line and described admission line are connected;
Described water pump is arranged between described heat exchanger and the described atomising device.
Preferably, also be provided with air valve between described water pump and the atomising device.
Preferably, the steam input pipe road of described heat exchanger is provided with air valve.
Preferably, described heat exchanger is a shell-and-tube exchanger.
Preferably, the coolant intake pipe road of described heat exchanger is provided with air valve.
Preferably, the coolant outlet hose road of described heat exchanger is provided with air valve.
Preferably, the discharge conduit of described heat exchanger is provided with air valve.
Preferably, described atomising device is a nozzle, and water forms the water smoke of atomizing behind described nozzle.
By using above technological scheme, the partly hot steam that heat exchanger will enter before the steam turbine condenses into water, after water pressurizes through water pump, form the water smoke of atomizing by atomising device, water smoke enters the circulation part of the steam turbine of operation with geothermal vapour, the fouling that utilizes water smoke will be attached to steam turbine circulation part is destroyed, and discharges steam turbine at last.Realized the on-line cleaning of steam turbine, realized the fouling of cleaning flow passage component when steam turbine normally moves, need not shut down out cylinder, saved the time, increased the generating dutation of steam turbine, and, saved human resources without the manual scale removal of people.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the steam turbine washing unit that Fig. 1 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, the steam turbine washing unit that the utility model embodiment provides, comprise: heat exchanger 1, water pump 2 and atomising device 3, the working steam that steam turbine 4 uses is the geothermal vapour from geothermal well 5, geothermal vapour carries out impurity screening through filter, after process steam-water separator 6 divides dried up liquid, enter steam turbine 4 by main steam line 7 and the admission line of crossing between steam-water separator 6 and the steam turbine 48.In the bypass of the main steam line 7 between steam-water separator 6 and the steam turbine 4, heat exchanger 1 is set, atomising device 3 is arranged on the admission line 8 of steam turbine 4, main steam line 7 and suction tude 8 roads are connected, and are provided with water pump 2 between heat exchanger 1 and the atomising device 3.Geothermal vapour condenses into water behind over-heat-exchanger 1, water pump 2 boosts water of condensation, form the water smoke of atomizing by atomising device 3, the water smoke that forms enters the steam turbine 4 of operation through admission line 8 with geothermal vapour circulation part, the fouling that utilizes water smoke will be attached to the circulation part of steam turbine 4 is destroyed, and fouling is discharged steam turbine with the hydrophobic or high velocity vapor of steam turbine 4.
Need to prove that direction shown in the arrow is the moving direction of fluid in the pipeline among Fig. 1.
Preferably, between water pump 2 and the atomising device 3 air valve 9 can be set, the steam input pipe road of heat exchanger 1 is provided with air valve 9, unlatching by air valve 9 or close, whether the control geothermal vapour enters and exports, and the fouling in steam turbine 4 cleans up, close gas check valve 9, forbid entering of geothermal vapour, when needing opening device to clean, open air valve 9.
Preferably, heat exchanger 1 adopts shell-and-tube exchanger, the coolant intake pipe road and the coolant outlet hose road of heat exchanger are provided with air valve 10, the input and output of air valve 10 control cooling waters, geothermal vapour cooling water of cooling water pipeline in over-heat-exchanger is taken away heat, cool off, condense into water of condensation output.The discharge conduit of heat exchanger is provided with air valve 11, and when heat exchanger quits work, inside can retain part moisture or impurity, opens air valve 11, and moisture or impurity are excreted out.
Preferably, atomising device 3 is specially designed nozzle in the foregoing description, and water forms the water smoke of atomizing behind described nozzle, it will be appreciated by persons skilled in the art that atomising device can adopt other can realize the miscellaneous equipment that water is atomized.
The steam turbine washing unit that the utility model embodiment provides, implementation procedure is: the partly hot steam that heat exchanger will enter before the steam turbine condenses into water, after water pressurizes through water pump, form the water smoke of atomizing by atomising device, water smoke enters the circulation part of the steam turbine of operation with geothermal vapour, the fouling that utilizes water smoke will be attached to steam turbine circulation part is destroyed, and discharges steam turbine at last.The steam turbine washing unit that the utility model embodiment provides has been realized on-line cleaning; realize the fouling of cleaning flow passage component when steam turbine normally moves; need not shut down out cylinder; saved the time; increased the generating dutation of steam turbine,, saved human resources without the manual scale removal of people; can not produce damage to blade simultaneously, it is simple in structure, safe and reliable to operation.
Above embodiment's explanation just is used for helping to understand core concept of the present utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. a steam turbine washing unit is characterized in that, comprising: heat exchanger, water pump and atomising device;
Described heat exchanger is arranged in the bypass of the main steam line between steam-water separator and the steam turbine;
Described atomising device is arranged on the admission line of steam turbine; Described main steam line and described admission line are connected;
Described water pump is arranged between described heat exchanger and the described atomising device.
2. device according to claim 1 is characterized in that, also is provided with air valve between described water pump and the atomising device.
3. device according to claim 2 is characterized in that, the steam input pipe road of described heat exchanger is provided with air valve.
4. device according to claim 3 is characterized in that, described heat exchanger is a shell-and-tube exchanger.
5. device according to claim 4 is characterized in that, the coolant intake pipe road of described heat exchanger is provided with air valve.
6. device according to claim 5 is characterized in that, the coolant outlet hose road of described heat exchanger is provided with air valve.
7. device according to claim 6 is characterized in that the discharge conduit of described heat exchanger is provided with air valve.
8. according to any described device of claim 1-7, it is characterized in that described atomising device is a nozzle, water forms the water smoke of atomizing behind described nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201733079U CN201650385U (en) | 2010-04-27 | 2010-04-27 | Steam turbine cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201733079U CN201650385U (en) | 2010-04-27 | 2010-04-27 | Steam turbine cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650385U true CN201650385U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201733079U Expired - Fee Related CN201650385U (en) | 2010-04-27 | 2010-04-27 | Steam turbine cleaning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201650385U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218408A (en) * | 2011-03-23 | 2011-10-19 | 山西太钢不锈钢股份有限公司 | Method for cleaning salt deposition on turbine blade |
| CN102678197A (en) * | 2012-06-01 | 2012-09-19 | 大连福佳·大化石油化工有限公司 | On-line washing method for steam turbine rotor |
| CN103480599A (en) * | 2013-09-03 | 2014-01-01 | 安徽淮化股份有限公司 | Method and device thereof for cleaning turbine blade at low temperature |
| CN104819173A (en) * | 2015-05-11 | 2015-08-05 | 中国海洋石油总公司 | Rotor disc-dynamic cleaning tool and method for centrifugal natural gas compressor |
| CN105134301A (en) * | 2015-10-08 | 2015-12-09 | 新兴铸管股份有限公司 | Turbomachine additionally provided with rotor and stator blade washing equipment by stewing |
| CN105545380A (en) * | 2016-01-23 | 2016-05-04 | 安徽商贸职业技术学院 | Turbine blade scaling cleaning device and cleaning method thereof |
| CN110871199A (en) * | 2018-09-03 | 2020-03-10 | 中国石油化工股份有限公司 | On-line scale cleaning method for smoke machine of catalytic cracking unit |
-
2010
- 2010-04-27 CN CN2010201733079U patent/CN201650385U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218408A (en) * | 2011-03-23 | 2011-10-19 | 山西太钢不锈钢股份有限公司 | Method for cleaning salt deposition on turbine blade |
| CN102678197A (en) * | 2012-06-01 | 2012-09-19 | 大连福佳·大化石油化工有限公司 | On-line washing method for steam turbine rotor |
| CN103480599A (en) * | 2013-09-03 | 2014-01-01 | 安徽淮化股份有限公司 | Method and device thereof for cleaning turbine blade at low temperature |
| CN103480599B (en) * | 2013-09-03 | 2015-10-28 | 安徽淮化股份有限公司 | A kind of method of Low-temperature cleaning turbine blade and device thereof |
| CN104819173A (en) * | 2015-05-11 | 2015-08-05 | 中国海洋石油总公司 | Rotor disc-dynamic cleaning tool and method for centrifugal natural gas compressor |
| CN105134301A (en) * | 2015-10-08 | 2015-12-09 | 新兴铸管股份有限公司 | Turbomachine additionally provided with rotor and stator blade washing equipment by stewing |
| CN105134301B (en) * | 2015-10-08 | 2017-08-25 | 新兴铸管股份有限公司 | A kind of turbine for installing boiling rotor and stator blade cleaning device additional |
| CN105545380A (en) * | 2016-01-23 | 2016-05-04 | 安徽商贸职业技术学院 | Turbine blade scaling cleaning device and cleaning method thereof |
| CN110871199A (en) * | 2018-09-03 | 2020-03-10 | 中国石油化工股份有限公司 | On-line scale cleaning method for smoke machine of catalytic cracking unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20150427 |
|
| EXPY | Termination of patent right or utility model |