CN204716317U - The interactive start up system of a kind of generator set - Google Patents
The interactive start up system of a kind of generator set Download PDFInfo
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- CN204716317U CN204716317U CN201520431252.XU CN201520431252U CN204716317U CN 204716317 U CN204716317 U CN 204716317U CN 201520431252 U CN201520431252 U CN 201520431252U CN 204716317 U CN204716317 U CN 204716317U
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- valve
- generator set
- female pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model provides the interactive start up system of a kind of generator set, comprising: multiple generator set and first female pipe, and the high-pressure cylinder outlet pipe of each generator set is communicated with first female pipe, and first female pipe of each comfortable connectivity part arranges the first valve; With, many bypass line, be located between each high-pressure heater and first female pipe respectively, every bar bypass line is provided with the second valve.The utility model is communicated with all units by a main steam line in thermal power plant's vapour system, the heating of drawing gas of adjacent unit is utilized to prepare to start the feedwater of unit, draw adjoining stove hot blast simultaneously, air in common fire box and heating surface, making boiler be in the thermal environment of " hot stove, hot blast " when lighting a fire, reducing the oil smoke of igniting generation, not burning coal dust amount; The pollution that the start up period of avoiding, high carbonaceous soot or a large amount of oil gas produce desulfurization slurry; And can make relatively shorten starting time, reduce and start amount of fuel.
Description
Technical field
The utility model relates to generator set field, is specifically related to the interactive start up system of a kind of generator set.
Background technique
Hour utilization ratio of thermal power plant single unit is in downward trend in recent years due to the restriction being subject to network load always now.Under most serious conditions, nearly the unit of 50% is in wheel and stops state.And Large-scale machine set requires to start in the stipulated time in the protection of outage state.So each unit cold start in thermal power plant has entered the present situation of normalization.During cold start, starting time is long, consumes the energy many; And start up period first " dry combustion method " afterwards " quenching " cause scale to generate fast, concentrate and come off, hoard and block, finally cause boiler tube bursting and turbine blade to weather; ; The unit applying the igniting of traditional heavy wool and plasma ignition is understood because when lighting a fire, unit ignition environment is colder, the oil smoke produced, not burn coal dust more, causes the oil smoke sticking problem of catalyst surface, do not burn coal dust to sintering (the even burning) problem of catalyzer and high carbonaceous soot or a large amount of oil gas to problems such as the pollutions that desulfurization slurry produces.
Model utility content
The utility model proposes the interactive start up system of a kind of generator set, during to solve existing unit cold start, starting time is long, consume the energy mainly with and the subsidiary other problem produced.
The technical solution of the utility model is achieved in that
The interactive start up system of a kind of generator set, comprising: multiple generator set and first female pipe, and the high-pressure cylinder outlet pipe of each generator set is communicated with first female pipe, and first female pipe of each comfortable connectivity part arranges the first valve; With, many bypass line, be located between each high-pressure heater and first female pipe respectively, every bar bypass line is provided with the second valve.
As further improvement of the utility model, the first valve comprises a mortor operated valve and a manually operated valve; Second valve comprises a modulating valve and lays respectively at two manually operated valves of modulating valve both sides.
As further improvement of the utility model, also comprise: the 3rd valve, be located on the pipeline between the oxygen-eliminating device of generator set and high-pressure heater.
As further improvement of the utility model, the 3rd valve comprises: be located at oxygen-eliminating device successively to the check valve on the pipeline of high-pressure heater, modulating valve and manually operated valve.
As further improvement of the utility model, also comprise: second female pipe, the ajutage of each generator set is communicated with second female pipe, and second female pipe of each comfortable connectivity part arranges the 4th valve.
As further improvement of the utility model, the 4th valve is a modulating valve.
The beneficial effects of the utility model are as follows:
1, the utility model is communicated with all units by a main steam line in thermal power plant's vapour system, utilizes the heating of drawing gas of adjacent unit to prepare to start the feedwater of unit, is heated by high temperature water-supply to economizer, water cooled furnace wall etc.; The burnout rate start up period of raising, greatly reduces the oil smoke of the igniting of traditional heavy wool and plasma ignition fashionable in the recent period generation, does not burn coal dust amount; Effective control boiler startup stage because of elder generation's " dry combustion method " afterwards " quenching " and cause scale to generate fast, concentrate come off, hoard and block, finally cause boiler tube bursting and turbine blade to weather; Alleviate the oil smoke sticking problem of catalyst surface and do not burn sintering (the even burn) problem of coal dust to catalyzer; The pollution that the start up period of avoiding, high carbonaceous soot or a large amount of oil gas produce desulfurization slurry; And can make relatively shorten starting time, reduce and start amount of fuel.
2, the utility model draws adjoining stove hot blast simultaneously, the air in common fire box and heating surface, making boiler be in the thermal environment of " hot stove, hot blast " when lighting a fire, improving intrasystem temperature further.
3, the utility model also to the steady combustion in boiler startup stage, improve start up period boiler hydrodynamics sex chromosome mosaicism there is remarkable result.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the boiler circuit of the interactive start up system of generator set in illustrative embodiment;
Fig. 2 is the structural representation of the air and flue system of the interactive start up system of generator set in illustrative embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, be the structural representation of the boiler circuit of the interactive start up system of generator set in some embodiments.
In the present embodiment, the improvement of the interactive start up system of unit is the ajutage 21 of the air preheater 23 for thermal power plant's air and flue system, and the outlet pipe 4 of boiler circuit high pressure cylinder 1, steam line between high-pressure heater 2 and high-pressure cylinder 1, the other parts of system are prior art.
The interactive start up system of generator set in illustrative embodiment, comprising: the female pipe 11 of multiple generator set 10, first, and, many bypass line 13; The outlet pipe 4 of each generator set is communicated with first female pipe 11, and first female pipe 11 of each comfortable connectivity part arranges the first valve 12; Bypass line 13 is located between each high-pressure heater 2 and first female pipe 11, and the former boiler circuit of generator set 10 be connected with first female pipe 11, every bar bypass line 13 is provided with the second valve 14.
Preferably, the first valve 12 comprises a mortor operated valve and a manually operated valve; Second valve 14 comprises a modulating valve and lays respectively at two manually operated valves of modulating valve both sides.
The interactive start up system of generator set in illustrative embodiment also comprises: the 3rd valve 15 and oxygen-eliminating device 3,3rd valve 15 is located on the pipeline between oxygen-eliminating device 3 and high-pressure heater 2, and the water of the high-pressure heater 2 of former for power plant boiler circuit is introduced oxygen-eliminating device 3 by pipeline.
Preferably, the 3rd valve 15 comprises: be located at oxygen-eliminating device 3 successively to check valve, modulating valve and the manually operated valve on the pipeline of high-pressure heater 2.
As shown in Figure 2, be the structural representation of the air and flue system of the interactive start up system of generator set in some embodiments.
The interactive start up system of generator set in illustrative embodiment also comprises: second female pipe 20, the ajutage 21 of each generator set is communicated with second female pipe 20, second female pipe 20 of each comfortable connectivity part arranges the 4th valve 22, and each ajutage 21 is provided with air preheater 23.
Preferably, the 4th valve 22 is a modulating valve.
Normally run with 1# unit in embodiment, 2# unit is cold conditions preparation startup unit is example explanation.Blower fan system runs summary: the 2# damper standard-sized sheet of supply air duct, regulates 1# damper, air output is set within 10%, with the boiler of the hot-air pre-heating 2# unit of 1# unit, makes it be in a hot blast environment before activation.Water supply system runs summary: the first valve opening 1# unit, closes the second valve, the 3rd valve, closes the first valve of 2# unit, regulates the second valve, the 3rd valve.1# unit steam enters 2# unit high-pressure heater feed-water preheating by pipeline, valve, and make 2# unit be in the environment of heat feedwater before ignition, steam condensate can enter oxygen-eliminating device by the 3rd valve.
Be communicated with all units by a main steam line (i.e. first female pipe 11) in Power Plant Feedwater system, draw gas from cold section of each unit, Valve control gas flow and trend, when unit cold start, the heating of drawing gas of adjacent unit is utilized to prepare to start the feedwater of unit, heated economizer, water cooled furnace wall etc. by high temperature water-supply, heater condensate is walked normal pipeline and is got back to oxygen-eliminating device, hydrophobic time fixed row during fault; The warm-air pipe of the air preheater of unit boiler is interconnected simultaneously, and the air output that Pneumatic butterfly valve controls airduct is installed, draw adjoining stove hot blast, the hot blast of boiler operation is used to carry out the boiler of heating tape startup unit, air in common fire box and heating surface, make boiler be in the thermal environment of " hot stove, hot blast " when lighting a fire; The burnout rate start up period of raising, effectively the control boiler startup stage because of elder generation's " dry combustion method " afterwards " quenching " and cause scale to generate fast, concentrate and come off, hoard and block, finally cause boiler tube bursting and turbine blade to weather; Alleviate the oil smoke sticking problem of catalyst surface and do not burn coal dust to the sintering of catalyzer even burnout problems; The pollution that the start up period of avoiding, high carbonaceous soot or a large amount of oil gas produce desulfurization slurry; And can make relatively shorten starting time, reduce and start amount of fuel.In addition to the steady combustion in boiler startup stage, improve start up period boiler hydrodynamics sex chromosome mosaicism there is remarkable result.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the interactive start up system of generator set, is characterized in that, comprising:
Multiple generator set (10) and first female pipe (11), the high-pressure cylinder outlet pipe (4) of each described generator set is managed (11) with described first mother and is communicated with, and described first female pipe (11) of each comfortable connectivity part arranges the first valve (12); With,
Many bypass line (13), be located at respectively between the high-pressure heater (2) of each described generator set (10) and described first female pipe (11), described in every bar, bypass line (13) is provided with the second valve (14).
2. the interactive start up system of generator set according to claim 1, is characterized in that, described first valve (12) comprises a mortor operated valve and a manually operated valve; Described second valve (14) comprises a modulating valve and lays respectively at two manually operated valves of described modulating valve both sides.
3. the interactive start up system of generator set according to claim 1 and 2, it is characterized in that, also comprise: the 3rd valve (15), be located on the pipeline between the oxygen-eliminating device (3) of described generator set (10) and high-pressure heater (2).
4. the interactive start up system of generator set according to claim 3, it is characterized in that, described 3rd valve (15) comprising: be located at described oxygen-eliminating device (3) successively to check valve, modulating valve and the manually operated valve on the pipeline of described high-pressure heater (2).
5. the interactive start up system of generator set according to claim 1, it is characterized in that, also comprise: second female pipe (20), the ajutage (21) of each described generator set is managed (20) with described second mother and is communicated with, and described second female pipe (20) of each comfortable connectivity part arranges the 4th valve (22).
6. the interactive start up system of generator set according to claim 5, is characterized in that, described 4th valve (22) is a modulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431252.XU CN204716317U (en) | 2015-06-19 | 2015-06-19 | The interactive start up system of a kind of generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431252.XU CN204716317U (en) | 2015-06-19 | 2015-06-19 | The interactive start up system of a kind of generator set |
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| CN204716317U true CN204716317U (en) | 2015-10-21 |
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| CN201520431252.XU Expired - Fee Related CN204716317U (en) | 2015-06-19 | 2015-06-19 | The interactive start up system of a kind of generator set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016242A (en) * | 2016-05-24 | 2016-10-12 | 南京电力设备质量性能检验中心 | Normal putting-into-operation device for realizing denitration at starting stage by heating fed water and fume in close-furnace grading manner |
| CN109113867A (en) * | 2017-06-22 | 2019-01-01 | 山东琦泉能源科技有限公司 | A kind of control optimization method of fuel gas with low heat value steam combined cycle power generating |
-
2015
- 2015-06-19 CN CN201520431252.XU patent/CN204716317U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016242A (en) * | 2016-05-24 | 2016-10-12 | 南京电力设备质量性能检验中心 | Normal putting-into-operation device for realizing denitration at starting stage by heating fed water and fume in close-furnace grading manner |
| CN106016242B (en) * | 2016-05-24 | 2018-01-30 | 南京电力设备质量性能检验中心 | Face the feedwater of stove progressive solution and flue gas realizes startup stage denitration bringing normally into operation device |
| CN109113867A (en) * | 2017-06-22 | 2019-01-01 | 山东琦泉能源科技有限公司 | A kind of control optimization method of fuel gas with low heat value steam combined cycle power generating |
| CN109113867B (en) * | 2017-06-22 | 2020-02-14 | 山东琦泉能源科技有限公司 | Control optimization method for low-calorific-value gas and steam combined cycle power generation |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20200619 |