CN2844886Y - Self regulated steam sampling frame of supercritical power generator set - Google Patents
Self regulated steam sampling frame of supercritical power generator set Download PDFInfo
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- CN2844886Y CN2844886Y CN 200520029061 CN200520029061U CN2844886Y CN 2844886 Y CN2844886 Y CN 2844886Y CN 200520029061 CN200520029061 CN 200520029061 CN 200520029061 U CN200520029061 U CN 200520029061U CN 2844886 Y CN2844886 Y CN 2844886Y
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Abstract
The utility model relates to a self regulated steam sampling frame of a supercritical power generator set. The utility model comprises a high temperature and high pressure valve a which is installed on a main line, a rod type filter, a high-efficiency cooling and pressure reducing device a, one high-efficiency cooling and pressure reducing device b, a safety valve and a valve d. The utility model is characterized in that an air cooling type pre-cooling and pressure reducing device is connected between a water sample outlet of the rod type filter and a water sample inlet of the high-efficiency cooling and pressure-reducing device an in series. The air cooling type pre-cooling and pressure reducing device has the structure that the bottom of a shell body is provided with an air inlet, the top of the shell body is provided with an air outlet and a spiral sample fining tube is arranged in the shell body. A sample inlet of the spiral sample fining tube passes through an air outlet elicitation at the top of the shell body, and a sample outlet of the spiral sample fining tube passes through an air inlet elicitation at the bottom of the shell body. The utility model can select the air cooling type pre-cooling and pressure reducing device and the high-efficiency cooling and pressure reducing device with different parameters to carry out the organic combination, according to different water vapor parameters. The water vapor with supercritical parameters is cooled and depressurized to the normal temperature and normal pressure to satisfy the sampling requirement of an analysis instrument.
Description
Technical field
The utility model relates to heat-exchange device, is a kind of ultra supercritical genset self-regulating type vapor sampling rack.
Background technology
In the thermal power generation industry, for improving generating set efficient, cut down the consumption of energy, some strong countries strengthen the genset single-machine capacity all in the parameter of making great efforts to improve the thermal power generation unit in the world, and for example: China is also at research and development 1000MW, main steam condition pressure is 27MPa, temperature is 620 ℃, and feed pressure is 34Mpa, and temperature is 310 ℃ a ultra supercritical genset.The unit that some industrially developed country such as the U.S., Japan and other countries are higher with parameter, capacity is bigger is as development goal.
Genset steam parameter is high more, to its actuating medium---and the requirement of water and steam quality is higher, and the work of online supervision water and steam quality is particularly important for the safety and economic operation that guarantees this class unit.
Because the different analysis meters of monitoring water and steam quality can only be accepted normal temperature, normal pressure sample, are the utility appliance that the thermal power generation unit must dispose so High Temperature High Pressure steam decrease temperature and pressure is become normal temperature and pressure for analysis meter provides the vapor sampling rack of water sample.
What China's utility model patent numbers 95229316.1 and 97230386.3, the name that discloses the application of inventor's Cheng Weicai respectively were called " fluid high-effective decrease temperature and pressure device " and Cheng Xuedong application is called " rod-type filtrator " two utility model patents.Guangda Power Equipment LLC, Jilin City of patentee unit one belongs to of above-mentioned two utility model patents serves as to rely on to have produced CXD type series vapor sampling rack with these two patented technologies.With reference to Fig. 1, CXD type series vapor sampling rack is connected with the water sample inlet of rod-type filtrator 3 by the High Temperature High Pressure valve 1a that installs on main line, the water sample outlet of rod-type filtrator 3 is connected with High Temperature High Pressure valve 1b, the wastewater outlet of rod-type filtrator 3 is connected with High Temperature High Pressure blowoff valve 1c, High Temperature High Pressure valve 1b is connected with the water sample inlet of temperature with high efficiency reducing transformer 2a, the water sample outlet of temperature with high efficiency reducing transformer 2a is connected with the water sample inlet of temperature with high efficiency reducing transformer 2b, the water sample outlet of temperature with high efficiency reducing transformer 2b is connected with safety valve 4, and safety valve 4 connects to form with valve 1d.Because of temperature with high efficiency reducing transformer 2a, the 2b of this CXD type series vapor sampling rack satisfied the decrease temperature and pressure requirement, therefore, need not to be provided with decompressor.The sample flow of sample in rod-type filtrator 3 to the filter bar be oriented in a tangential direction mobile, can contamination in the filter process, obstruction, belong to non-maintaining parts.CXD type series vapor sampling rack has the heat exchanger effectiveness height, saves chilled water, saves advantages such as material and floor area are little.CXD type series vapor sampling rack can satisfy the water and steam sampling requirement of subcritical and following parameter genset well with its outstanding advantage, is used widely.
But, what the temperature with high efficiency reducing transformer of CXD type series vapor sampling rack adopted is water cooling mode, be based on cooling, step-down is what assist, even can not be satisfied with the water and steam sampling of ultra supercritical genset as pre-decrease temperature and pressure device of prestage and serial connection two-stage with this temperature with high efficiency reducing transformer.
Summary of the invention
The purpose of this utility model is that prior art is carried out substantial improvements, provides a kind of those skilled in the art to thirst for solving but the ultra supercritical genset self-regulating type vapor sampling rack of not succeeing as yet always.
Realize that the technical scheme that the utility model purpose is adopted is, a kind of ultra supercritical genset self-regulating type vapor sampling rack, it is included in the High Temperature High Pressure valve 1a that installs on the main line and is connected with the water sample inlet of rod-type filtrator 3, the water sample outlet of rod-type filtrator 3 is connected with the water sample inlet of temperature with high efficiency reducing transformer 2a, the wastewater outlet of rod-type filtrator 3 is connected with High Temperature High Pressure blowoff valve 1c, the water sample outlet of temperature with high efficiency reducing transformer 2a is connected with the water sample inlet of temperature with high efficiency reducing transformer 2b, the water sample outlet of temperature with high efficiency reducing transformer 2b is connected with safety valve 4, safety valve 4 is connected with valve 1d, its special character is: the outlet of the water sample of rod-type filtrator 3 be connected in series the pre-decrease temperature and pressure device 5 of air-cooled type between the water sample of temperature with high efficiency reducing transformer 2a enters the mouth, the structure of the pre-decrease temperature and pressure device 5 of described air-cooled type is, has housing 6, be provided with air intake 8 in the bottom of housing 6, be provided with air out 9 at its top, in housing 6, be provided with spiral fashion sample flow tubule 7, the sample inlet 10 of spiral fashion sample flow tubule 7 passes housing 6 top air outs 9 and draws, and the sample export 11 of spiral fashion sample flow tubule 7 passes housing 6 bottom airs inlet 8 and draws.Between the sample inlet 10 of outlet of the water sample of rod-type filtrator 3 and the pre-decrease temperature and pressure device 5 of air-cooled type, be connected with High Temperature High Pressure valve 1b.
Ultra supercritical genset self-regulating type vapor sampling rack of the present utility model is a kind of novel water and steam sampling equipment, though finally finishing of task is identical with existing equipment, but structure difference, has self-regulating function, sampling requirement in the time of can not only satisfying normal the operation, and before can fine satisfied igniting, starting process, stoppage in transit process water and steam sampling and the requirement of the following unit water and steam sampling of ultra supercritical, the utility model advantage is as follows:
1. have the whole advantages of CXD series vapor sampling rack, promptly need not decompressor, high heat exchanger effectiveness, water saving, saving material, floor area is little, and maintenance is little.
2. saved chilled water with air cooled pre-decrease temperature and pressure device, supporting with other temperature with high efficiency reducing transformer, High Temperature High Pressure actuating medium in the ultra supercritical unit can be reduced to the normal temperature and pressure water sample smoothly.
3. decrease temperature and pressure effect size of the present utility model is regulated automatically with the sample flow parameter, can satisfy unit and normally move water and steam sampling, can also satisfy in the unit starting stoppage in transit process and the water and steam sampling of the following parameter unit of ultra supercritical unit.
Description of drawings
Fig. 1 is the structural representation of existing C XD type series vapor sampling rack.
Fig. 2 is the structural representation of the ultra supercritical genset self-regulating type vapor sampling rack of embodiment 1.
Fig. 3 is the structural representation of the pre-decrease temperature and pressure device 5 of air-cooled type among Fig. 2.
Fig. 4 is the structural representation of the ultra supercritical genset self-regulating type vapor sampling rack of embodiment 2.
Fig. 5 is the water and steam sampling actual measurement parameter characteristic curve map of ultra supercritical genset self-regulating type vapor sampling rack.
Embodiment
Embodiment 1: with reference to Fig. 2, ultra supercritical genset self-regulating type vapor sampling rack, the High Temperature High Pressure valve 1a that installs on main line is connected with the water sample of rod-type filtrator 3 inlet, the water sample outlet of rod-type filtrator 3 is connected with High Temperature High Pressure valve 1b, the wastewater outlet of rod-type filtrator 3 is connected with High Temperature High Pressure blowoff valve 1c, High Temperature High Pressure valve 1b is connected with the water sample inlet of the pre-decrease temperature and pressure device 5 of air-cooled type, the water sample outlet of the pre-decrease temperature and pressure device 5 of air-cooled type is connected with the water sample inlet of temperature with high efficiency reducing transformer 2a, the water sample outlet of temperature with high efficiency reducing transformer 2a is connected with the water sample inlet of temperature with high efficiency reducing transformer 2b, the water sample outlet of temperature with high efficiency reducing transformer 2b is connected with safety valve 4, and safety valve 4 is connected with valve 1d.
High Temperature High Pressure valve 1a, 1b, valve 1d, High Temperature High Pressure blowoff valve 1c, safety valve 4 is the commercially available prod.Valve 1d can adopt high-temperature high pressure valve, also can adopt common valve.Temperature with high efficiency reducing transformer 2a, 2b, rod-type filtrator 3 is Chinese utility model patent number 95229316.1 " fluid high-effective decrease temperature and pressure devices " and disclosed two the utility model patent technology of 97230386.3 " rod-type filtrators ", and its product is produced by Guangda Power Equipment LLC, Jilin City and is the commercially available prod.
With reference to Fig. 3, the structure of the pre-decrease temperature and pressure device 5 of described air-cooled type is, has housing 6, be provided with air intake 8 in the bottom of housing 6, be provided with air out 9 at its top, be provided with spiral fashion sample flow tubule 7 in housing 6, the sample of spiral fashion sample flow tubule 7 is gone into 10 and is passed housing 6 top air outs 9 and draw, and the sample export 11 of spiral fashion sample flow tubule 7 passes housing 6 bottom airs inlet 8 and draws.
The pre-decrease temperature and pressure device of air-cooled type 5 is based on step-down, and cooling is auxilliary, is applicable to sampled point sample strain, temperature height or sample strain height, the sample sampling that temperature is lower, as main steam (620,27MPa), feedwater (310 ℃, 34MPa).
Embodiment 2: with reference to Fig. 4, the structure of embodiment 2 ultra supercritical genset self-regulating type vapor sampling racks and embodiment 1 is basic identical, has just removed High Temperature High Pressure valve 1b between the sample inlet 10 of the water sample outlet of rod-type filtrator 3 and the pre-decrease temperature and pressure device 5 of air-cooled type.
Have two steady operation family curves under the representative water sample characterisitic parameter stable condition with reference to Fig. 5 ultra supercritical genset self-regulating type vapor sampling rack.Article one curve of top among the figure at first utilizes steam to cool off therein by the pre-decrease temperature and pressure device 5 of air-cooled type and state variation takes place by 620 ℃, and 27Mpa reduces to 500 ℃, 20Mpa; Utilize chilled water to make its phase transformation (subcritical steam becomes liquid phase water) from 500 ℃ by temperature with high efficiency reducing transformer 2a again, 20Mpa reduces to 70 ℃, 7Mpa; Utilize water sample to be subjected to resistance and cooling from 70 ℃ in the decrease temperature and pressure device by temperature with high efficiency reducing transformer 2b again, 7Mpa reduces to 30 ℃, 3Mpa, thus finish decrease temperature and pressure.The second curve of below among the figure at first utilizes feedwater cooling therein state variation to take place by 310 ℃ by the pre-decrease temperature and pressure device 5 of air-cooled type, and 34Mpa reduces to 260 ℃, 20Mpa; Utilize chilled water from 260 ℃ by temperature with high efficiency reducing transformer 2a again, 20Mpa reduces to 50 ℃, 12Mpa; Utilize water sample to be subjected to resistance and cooling from 50 ℃ in the decrease temperature and pressure device by temperature with high efficiency reducing transformer 2b again, 12Mpa reduces to 30 ℃, 4Mpa, thus finish decrease temperature and pressure.Utilize the pre-decrease temperature and pressure device of air-cooled type and the temperature with high efficiency reducing transformer of different parameters organically to make up the water and steam sampling that just can finish the water and steam sampling point of different parameters.
Claims (2)
1. ultra supercritical genset self-regulating type vapor sampling rack, it is included in the High Temperature High Pressure valve of installing on the main line (1a) and is connected with the water sample inlet of rod-type filtrator (3), the water sample outlet of rod-type filtrator (3) is connected with the water sample inlet of temperature with high efficiency reducing transformer (2a), the wastewater outlet of rod-type filtrator (3) is connected with High Temperature High Pressure blowoff valve (1c), the water sample outlet of temperature with high efficiency reducing transformer (2a) is connected with the water sample inlet of temperature with high efficiency reducing transformer (2b), the water sample outlet of temperature with high efficiency reducing transformer (2b) is connected with safety valve (4), safety valve (4) is connected with valve (1d), it is characterized in that: the outlet of the water sample of rod-type filtrator (3) be connected in series the pre-decrease temperature and pressure device of air-cooled type (5) between the water sample of temperature with high efficiency reducing transformer (2a) enters the mouth, the structure of the pre-decrease temperature and pressure device of described air-cooled type (5) is, has housing (6), be provided with air intake (8) in the bottom of housing (6), be provided with air out (9) at its top, in housing (6), be provided with spiral fashion sample flow tubule (7), the sample inlet (10) of spiral fashion sample flow tubule (7) passes housing (6) top air out (9) and draws, and the sample export (11) of spiral fashion sample flow tubule (7) passes housing (6) bottom air inlet (8) and draws.
2. ultra supercritical genset self-regulating type vapor sampling rack according to claim 1 is characterized in that: be connected with High Temperature High Pressure valve (1b) between the sample inlet (10) of outlet of the water sample of rod-type filtrator (3) and the pre-decrease temperature and pressure device of air-cooled type (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520029061 CN2844886Y (en) | 2005-08-08 | 2005-08-08 | Self regulated steam sampling frame of supercritical power generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520029061 CN2844886Y (en) | 2005-08-08 | 2005-08-08 | Self regulated steam sampling frame of supercritical power generator set |
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| Publication Number | Publication Date |
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| CN2844886Y true CN2844886Y (en) | 2006-12-06 |
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| CN 200520029061 Expired - Lifetime CN2844886Y (en) | 2005-08-08 | 2005-08-08 | Self regulated steam sampling frame of supercritical power generator set |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387962C (en) * | 2005-08-08 | 2008-05-14 | 承慰才 | Self-regulating type vapor sampling rack for super (super) critical generator set |
| CN104667842A (en) * | 2015-02-09 | 2015-06-03 | 华能国际电力股份有限公司 | Cooling device for high-temperature ammonia-containing gas sampling system |
| CN105136520A (en) * | 2015-08-24 | 2015-12-09 | 洛阳三隆安装检修有限公司 | Thermal power station steam and water sampling system |
| CN115875612A (en) * | 2022-11-30 | 2023-03-31 | 华能兰州西固热电有限公司 | Automatic blowdown of high temperature sampling frame of infrared thermal imaging opens and stops system |
-
2005
- 2005-08-08 CN CN 200520029061 patent/CN2844886Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387962C (en) * | 2005-08-08 | 2008-05-14 | 承慰才 | Self-regulating type vapor sampling rack for super (super) critical generator set |
| CN104667842A (en) * | 2015-02-09 | 2015-06-03 | 华能国际电力股份有限公司 | Cooling device for high-temperature ammonia-containing gas sampling system |
| CN105136520A (en) * | 2015-08-24 | 2015-12-09 | 洛阳三隆安装检修有限公司 | Thermal power station steam and water sampling system |
| CN115875612A (en) * | 2022-11-30 | 2023-03-31 | 华能兰州西固热电有限公司 | Automatic blowdown of high temperature sampling frame of infrared thermal imaging opens and stops system |
| CN115875612B (en) * | 2022-11-30 | 2023-09-19 | 华能兰州西固热电有限公司 | Automatic blowdown start-stop system of high-temperature sampling frame for infrared thermal imaging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080514 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |