CN204943516U - For soot blower system and the boiler of power plant of boiler of power plant - Google Patents
For soot blower system and the boiler of power plant of boiler of power plant Download PDFInfo
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- CN204943516U CN204943516U CN201520699812.XU CN201520699812U CN204943516U CN 204943516 U CN204943516 U CN 204943516U CN 201520699812 U CN201520699812 U CN 201520699812U CN 204943516 U CN204943516 U CN 204943516U
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- soot blower
- boiler
- blower system
- power plant
- pipeline
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- 239000004071 soot Substances 0.000 title claims abstract description 66
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000013517 stratification Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model relates to soot blower system field, and disclose a kind of soot blower system for boiler of power plant and a kind of boiler of power plant, described soot blower system comprises the soot blower (3) be communicated with super-heater exit case (2) by the first pipeline (1), the first electric check valve (4) is connected with in described first pipeline (1), described soot blower (3) is also communicated with reheater input channel (6) by second pipe (5), the second electric check valve (7) is connected with in described second pipe (5), described soot blower system also comprises the controller (8) of described first electric check valve (4) of electrical connection and described second electric check valve (7), optionally to adopt the steam in described super-heater exit case (2) or described reheater input channel (6) as the vapour source of described soot blower (3).Soot blower system of the present utility model can reasonably reduce blows the pressure loss of grey vapour source in pressure reduction, therefore has more economy and the feature of environmental protection.
Description
Technical field
The utility model relates to soot blower system field, particularly, relates to a kind of soot blower system for boiler of power plant.In addition, the utility model also relates to a kind of boiler of power plant.
Background technology
So-called boiler of power plant, the popular boiler being exactly power plant and being used for generating electricity.And boiler is a kind of energy conversion, the energy to boiler input has chemical energy, electric energy in fuel, and boiler exports steam, high-temperature water or the organic heat carrier with certain heat energy.The original meaning of pot refers to the water container heated on fire, and stove refers to the place of combustion fuel, and boiler comprises pot and stove two large divisions.The hot water produced in boiler or steam directly for industrial production and people's lives provide required heat energy, also can be converted to mechanical energy by Steam Power Equipment, or by generator, mechanical energy are converted to electric energy again.There is provided the boiler of hot water to be called hot-water boiler, be mainly used in life, in industrial production, also have a small amount of application.The boiler producing steam is called steam boiler, often referred to as boiler, is used for thermal power station, boats and ships, locomotive and industrial and mining enterprises.
Boiler is in running, and fouling of heating surface, coking are modal phenomenons, and the thermal conductivity factor being deposited on the dust stratification layer on boiler heating surface is very low.Therefore, when slight dust stratification, the additional thermal resistance that dust stratification layer brings also can have a strong impact on the transmission of heat inside and outside boiler heating surface, exhaust gas temperature is raised, and boiler thermal output reduces, and dust stratification causes heating surface to produce high/low temperature corrosion further simultaneously, the quick-fried leakage phenomenon of boiler tube is caused frequently to occur thus, time serious, be even forced to blowing out cleaning, cause the cycle of operation greatly to shorten.Super-heater exit case is taken from the grey vapour source of blowing of existing soot blower, and the pressure in this vapour source is 18.2MPa, and temperature is 443 DEG C.This vapour source pressure is higher, and the vapour source adopting pressure higher will cause furnace heating surface blow loss more serious, therefore existingly blowing grey vapour source and need reducing after pressure (reduce after vapour source pressure be 1.6MPa) through electric press control valve and be supplied to soot blower of super-heater exit case is taken from, visible grey vapour source pressure loss in pressure reduction of blowing is large, and reduces economy and the feature of environmental protection of generating set thus.
In view of this, need to provide one to have more economy and feature of environmental protection soot blower system.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of soot blower system for boiler of power plant, and this soot blower system being used for boiler of power plant can reasonably reduce blows the pressure loss of grey vapour source in pressure reduction, therefore has more economy and the feature of environmental protection.
In addition, another technical problem to be solved in the utility model is to provide a kind of boiler of power plant, and the soot blower system of this boiler of power plant can reasonably reduce blows the pressure loss of grey vapour source in pressure reduction, therefore has more economy and the feature of environmental protection.
In order to solve the problems of the technologies described above, the utility model provides a kind of soot blower system for boiler of power plant, comprise the soot blower be communicated with super-heater exit case by the first pipeline, the first electric check valve is connected with in described first pipeline, described soot blower is also communicated with reheater input channel by second pipe, the second electric check valve is connected with in described second pipe, described soot blower system also comprises the controller of described first electric check valve of electrical connection and described second electric check valve, optionally to adopt the steam in described super-heater exit case or described reheater input channel as the vapour source of described soot blower.
Preferably, be also connected with the first electric press control valve in described first pipeline, described controller is also electrically connected with described first electric press control valve.
Preferably, be also connected with the second electric press control valve in described second pipe, described controller is also electrically connected with described second electric press control valve.
Preferably, described soot blower system also comprises the 3rd pipeline, and one end of the 3rd pipeline is communicated with in described soot blower, and the other end is communicated with described second pipe with described first pipeline respectively.
Preferably, safety valve is connected with in described 3rd pipeline.
Preferably, hand stop valve is connected in described first pipeline and described second pipe.
Preferably, described super-heater exit case is pendant superheater outlet header, and described reheater input channel is screen formula reheater input channel.
On the basis of above-mentioned soot blower system, the utility model also provides a kind of boiler of power plant, and this boiler of power plant comprises the soot blower system for boiler of power plant of the present utility model.
Soot blower system for boiler of power plant of the present utility model is owing to adopting the steam in reheater input channel as the vapour source of soot blower in addition, and by switching vapour source between the steam of controller optionally in super-heater exit case or reheater input channel, thus reasonably can reduce and blow the pressure loss of grey vapour source in pressure reduction, therefore have more economy and the feature of environmental protection.In addition, boiler of power plant of the present utility model is owing to comprising the soot blower system for boiler of power plant of the present utility model.Therefore it has above advantage equally.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of the soot blower system for boiler of power plant according to detailed description of the invention of the present utility model.
Description of reference numerals
1, the first pipeline 2, super-heater exit case
3, soot blower 4, first electric check valve
5, second pipe 6, reheater input channel
7, the second electric check valve 8, controller
9, the first electric press control valve 10, second electric press control valve
11, the 3rd pipeline 12, safety valve
13, hand stop valve
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
The utility model provides a kind of soot blower system for boiler of power plant, particularly as shown in Figure 1, this soot blower system comprises the soot blower 3 be communicated with super-heater exit case 2 by the first pipeline 1, the first electric check valve 4 is connected with in described first pipeline 1, described soot blower 3 is also communicated with reheater input channel 6 by second pipe 5, the second electric check valve 7 is connected with in described second pipe 5, described soot blower system also comprises the controller 8 of described first electric check valve 4 of electrical connection and described second electric check valve 7, optionally to adopt the steam in described super-heater exit case 2 or described reheater input channel 6 as the vapour source of described soot blower 3.
It should be noted that, the particular type of the specific constructive form of the first pipeline 1 and second pipe 5 and super-heater exit case 2, soot blower 3, first electric check valve 4, reheater input channel 6, second electric check valve 7 and controller 8 all can be arranged as required, and these all belong within technical conceive scope of the present utility model.Such as described super-heater exit case 2 can be pendant superheater outlet header, and described reheater input channel 6 can be screen formula reheater input channel.
Soot blower system for boiler of power plant of the present utility model is owing to adopting the steam in reheater input channel 6 as the vapour source of soot blower 3 in addition, and by switching vapour source between the steam of controller 8 optionally in super-heater exit case 2 or reheater input channel 6, thus reasonably can reduce and blow the pressure loss of grey vapour source in pressure reduction, therefore have more economy and the feature of environmental protection.
In soot blower system of the present utility model, preferably, the first electric press control valve 9 is also connected with in described first pipeline 1, described controller 8 is also electrically connected with described first electric press control valve 9, the second electric press control valve 10 is also connected with in described second pipe 5, described controller 8 is also electrically connected with described second electric press control valve 10, thus can control the first electric press control valve 9 and the second electric press control valve 10 respectively to regulate the pressure of steam in the first pipeline 1 and second pipe 5 by controller 8.
In above-mentioned soot blower system, particularly, described soot blower system also comprises the 3rd pipeline 11, one end of 3rd pipeline 11 is communicated with in described soot blower 3, and the other end is communicated with described second pipe 5 with described first pipeline 1 respectively, be connected with safety valve 12 in described 3rd pipeline 11, thus prevent the hypertonia in soot blower system and damage soot blower 8.
In above-mentioned soot blower system, preferably, in described first pipeline 1 and described second pipe 5, be connected to hand stop valve 13, thus when soot blower system breaks down, repair and maintenance work can be carried out by closing this hand stop valve 13.
In addition, the utility model also provides a kind of boiler of power plant, and this boiler of power plant comprises the soot blower system for boiler of power plant described in the utility model.
Soot blower system for boiler of power plant of the present utility model is owing to adopting the steam in reheater input channel as the vapour source of soot blower in addition, and by switching vapour source between the steam of controller optionally in super-heater exit case or reheater input channel, thus reasonably can reduce and blow the pressure loss of grey vapour source in pressure reduction, therefore have more economy and the feature of environmental protection.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. the soot blower system for boiler of power plant, comprise the soot blower (3) be communicated with super-heater exit case (2) by the first pipeline (1), it is characterized in that, the first electric check valve (4) is connected with in described first pipeline (1), described soot blower (3) is also communicated with reheater input channel (6) by second pipe (5), the second electric check valve (7) is connected with in described second pipe (5), described soot blower system also comprises the controller (8) of described first electric check valve (4) of electrical connection and described second electric check valve (7), optionally to adopt the steam in described super-heater exit case (2) or described reheater input channel (6) as the vapour source of described soot blower (3).
2. soot blower system according to claim 1, it is characterized in that, also be connected with the first electric press control valve (9) in described first pipeline (1), described controller (8) is also electrically connected with described first electric press control valve (9).
3. soot blower system according to claim 2, it is characterized in that, also be connected with the second electric press control valve (10) in described second pipe (5), described controller (8) is also electrically connected with described second electric press control valve (10).
4. soot blower system according to claim 3, it is characterized in that, described soot blower system also comprises the 3rd pipeline (11), one end of 3rd pipeline (11) is communicated with in described soot blower (3), and the other end is communicated with described second pipe (5) with described first pipeline (1) respectively.
5. soot blower system according to claim 4, is characterized in that, is connected with safety valve (12) in described 3rd pipeline (11).
6. soot blower system according to claim 5, is characterized in that, is connected to hand stop valve (13) in described first pipeline (1) and described second pipe (5).
7. according to the soot blower system in claim 1-6 described in any one, it is characterized in that, described super-heater exit case (2) is pendant superheater outlet header, and described reheater input channel (6) is screen formula reheater input channel.
8. a boiler of power plant, is characterized in that, described boiler of power plant also comprises according to the soot blower system for boiler of power plant in claim 1-7 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699812.XU CN204943516U (en) | 2015-09-10 | 2015-09-10 | For soot blower system and the boiler of power plant of boiler of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699812.XU CN204943516U (en) | 2015-09-10 | 2015-09-10 | For soot blower system and the boiler of power plant of boiler of power plant |
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| Publication Number | Publication Date |
|---|---|
| CN204943516U true CN204943516U (en) | 2016-01-06 |
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| CN201520699812.XU Active CN204943516U (en) | 2015-09-10 | 2015-09-10 | For soot blower system and the boiler of power plant of boiler of power plant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627340A (en) * | 2016-01-14 | 2016-06-01 | 大唐彬长发电有限责任公司 | Soot blowing system and detection method thereof |
| CN105737176A (en) * | 2016-03-18 | 2016-07-06 | 中国神华能源股份有限公司 | Steam soot blowing control method and system |
| CN106196113A (en) * | 2016-08-15 | 2016-12-07 | 西安热工研究院有限公司 | A kind of system utilizing steam ejection Flow Technique to produce soot blowing vapour source |
| CN106224984A (en) * | 2016-08-06 | 2016-12-14 | 西安交通大学 | A kind of soot blower vapour source apparatus utilizing cold reheat steam and high temperature reheated steam |
| CN114135884A (en) * | 2021-11-30 | 2022-03-04 | 华能秦煤瑞金发电有限责任公司 | Blowing conversion device for blowing out of tower furnace with secondary reheating function |
-
2015
- 2015-09-10 CN CN201520699812.XU patent/CN204943516U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627340A (en) * | 2016-01-14 | 2016-06-01 | 大唐彬长发电有限责任公司 | Soot blowing system and detection method thereof |
| CN105737176A (en) * | 2016-03-18 | 2016-07-06 | 中国神华能源股份有限公司 | Steam soot blowing control method and system |
| CN106224984A (en) * | 2016-08-06 | 2016-12-14 | 西安交通大学 | A kind of soot blower vapour source apparatus utilizing cold reheat steam and high temperature reheated steam |
| CN106224984B (en) * | 2016-08-06 | 2024-03-22 | 西安交通大学 | Soot blower steam source device utilizing low-temperature reheat steam and high-temperature reheat steam |
| CN106196113A (en) * | 2016-08-15 | 2016-12-07 | 西安热工研究院有限公司 | A kind of system utilizing steam ejection Flow Technique to produce soot blowing vapour source |
| CN114135884A (en) * | 2021-11-30 | 2022-03-04 | 华能秦煤瑞金发电有限责任公司 | Blowing conversion device for blowing out of tower furnace with secondary reheating function |
| CN114135884B (en) * | 2021-11-30 | 2023-08-08 | 华能秦煤瑞金发电有限责任公司 | Blowing-out and soot blowing conversion device for secondary reheating tower furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |