CN217602732U - System for supplying heating water by dry quenching waste heat power generation - Google Patents
System for supplying heating water by dry quenching waste heat power generation Download PDFInfo
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- CN217602732U CN217602732U CN202221549350.XU CN202221549350U CN217602732U CN 217602732 U CN217602732 U CN 217602732U CN 202221549350 U CN202221549350 U CN 202221549350U CN 217602732 U CN217602732 U CN 217602732U
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Abstract
The utility model relates to a system for supplying heating water by dry quenching waste heat power generation, which comprises a pure condensing turbine generator unit, a condenser for the pure condensing turbine generator unit, a bypass condenser, a heat supply network heater, a condensing turbine generator unit and a condenser for the condensing turbine generator unit which are connected in sequence through pipelines; one end of a third standby temperature and pressure reducing device is connected with the high-parameter steam pipeline, and the other end of the third standby temperature and pressure reducing device is connected with a pipeline connected with a heat supply network heater and a condensing turbine generator set; 1. one end of a second standby temperature and pressure reduction device is connected with the high-parameter steam pipeline, and the other end of the second standby temperature and pressure reduction device is connected with the bypass condenser pipeline; the outlet of the heating network heater is connected with a heating equipment pipeline, the heating equipment is connected with a condenser inlet pipeline for the straight condensing steam turbine generator unit, and a branch pipeline is arranged to be connected with a bypass condenser inlet. The generating efficiency of the steam turbine in winter is improved, the steam extraction amount is adjusted according to the change of external heating load, and heating and heat supply are not influenced when any steam turbine generator unit fails.
Description
Technical Field
The utility model relates to a dry coke quenching waste heat power generation technical field especially relates to a system of dry coke quenching waste heat power generation supply heating water.
Background
At present, large coking enterprises are mostly built near urban groups, heating and heat supply of part of cities are borne by the coking enterprises, and heating water is obtained by heating the heating water through a steam-water heat exchanger by using low-pressure steam of 0.6 MPa.
However, the steam consumption of coking enterprises in winter is far higher than the consumption in summer, and low-pressure steam of-0.6 MPa which is increased in winter is generally supplied by steam extraction of a steam turbine configured by dry quenching, so that the power generation efficiency of the steam turbine in winter is greatly reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a system of dry coke quenching waste heat power generation supply heating water can improve steam turbine generating efficiency in winter, can adjust the steam extraction volume according to the change of external heating load simultaneously, and can guarantee not influence the heating heat supply when arbitrary turbo generator set trouble.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a system for supplying heating water by dry quenching waste heat power generation comprises a pure condensing steam turbine generator unit, a condenser for the pure condensing steam turbine generator unit, a bypass condenser, a heat supply network heater, a condensing and pumping steam turbine generator unit and a condenser for the condensing and pumping steam turbine generator unit which are sequentially connected through pipelines; the first cooling tower is connected with a condenser pipeline for a straight condensing turbine generator unit, and the second cooling tower is connected with a condenser pipeline for a condensing turbine generator unit; one end of a third standby temperature and pressure reducing device is connected with the high-parameter steam pipeline, and the other end of the third standby temperature and pressure reducing device is connected with a pipeline connected with a heat supply network heater and a condensing turbine generator set; 1. one end of a second standby temperature and pressure reducing device is connected with the high-parameter steam pipeline, and the other end of the second standby temperature and pressure reducing device is connected with the bypass condenser pipeline; the outlet of the heating network heater is connected with a heating equipment pipeline, the heating equipment is connected with a condenser inlet pipeline for a straight condensing steam turbine generator unit, and a branch pipeline is arranged to be connected with the inlet of a bypass condenser.
The outlet of the condenser for the straight condensing steam turbine generator unit is connected with the inlet of the first cooling tower through a pipeline, and a valve is arranged on the pipeline; the condenser inlet for the straight condensing steam turbine generator unit is connected with the outlet of the first cooling tower through a pipeline, and a valve is arranged on the pipeline.
And the condenser outlet of the condensing wheel generator set is connected with the inlet of the second cooling tower through a pipeline, and the condenser inlet of the condensing wheel generator set is connected with the outlet of the second cooling tower through a pipeline.
The high-parameter steam pipeline is connected with an inlet of the straight condensing turbine generator unit, and the high-parameter steam pipeline is connected with an inlet of the condensing turbine generator unit.
And the outlet of the bypass condenser is connected with a pipeline for connecting the condenser for the pure condensing steam turbine generator unit and the heat supply network heater through a pipeline, and a valve is arranged on the pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a 1 straight unit of condensing of configuration among the dry coke quenching waste heat power generation, 1 unit of condensing is taken out, 2 heat supply network heaters, a plurality of reserve temperature and pressure reduction equipment, bypass condenser and other auxiliary assembly, utilize the waste heat of straight unit exhaust and the heat of extraction of condensing the unit, heat low temperature heating water, supply heating user, not only can improve steam turbine generating efficiency in winter, can be according to the change automatic adjustment steam extraction volume of outside heating load simultaneously, through a plurality of reserve temperature and pressure reduction equipment, the bypass condenser can guarantee not influence the heating when arbitrary turbo generator set trouble.
Drawings
Fig. 1 is a schematic structure and a schematic process diagram of the present invention.
In the figure: 1-pure condensing steam turbine generator unit 2-pure condensing steam condenser for steam turbine generator unit 3-steam extraction steam turbine generator unit 4-steam condenser for steam extraction steam turbine generator unit 5-heat supply network heater 61-first cooling tower 62-second cooling tower 7-first standby temperature and pressure reducing equipment 8-second standby temperature and pressure reducing equipment 9-third standby temperature and pressure reducing equipment 10-bypass steam condenser.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, a system for supplying heating water by dry quenching waste heat power generation comprises a pure condensing turbo generator unit 1, a condenser 2 for the pure condensing turbo generator unit, a condensing turbine generator unit 3, a condenser 4 for the condensing turbine generator unit, a heat supply network heater 5, a first cooling tower 61, a second cooling tower 62, a first standby temperature and pressure reducing device 7, a second standby temperature and pressure reducing device 8, a third standby temperature and pressure reducing device 9 and a bypass condenser 10. The number of the heating network heaters 5 is one or two or more.
One branch of the high-parameter steam pipeline is connected with an inlet of the straight condensing turbine generator unit 1, and the other branch of the high-parameter steam pipeline is connected with an inlet of the condensing turbine generator unit 3. The outlet of the condenser 2 for the pure condensing steam turbine generator unit is connected with the inlet 61 of the first cooling tower through a pipeline, and a valve is arranged on the pipeline. The condenser inlet 2 for the straight condensing turbo generator unit is connected with the outlet 61 of the first cooling tower through a pipeline, and a valve is arranged on the pipeline. An outlet of a condenser 4 for the condensing turbine generator set is connected with an inlet of the second cooling tower 62 through a pipeline, and an inlet of the condenser 4 for the condensing turbine generator set is connected with an outlet of the second cooling tower 62 through a pipeline.
The outlet of the condenser 2 for the pure condensing steam turbine generator unit is connected with a heat supply network heater 5 through a pipeline, and a valve is arranged on the pipeline. The outlet of the heating network heater 5 is connected with the inlet of the condenser 2 for the pure condensing steam turbine generator unit through a pipeline, the pipeline is provided with a valve, the pipeline is provided with a branch pipeline connected with the inlet of the bypass condenser 10, the outlet of the bypass condenser 10 is connected with the pipeline connected with the inlet of the heating network heater 5 through the outlet of the condenser 2 for the pure condensing steam turbine generator unit through a pipeline, and the pipeline is provided with a valve.
An outlet of the steam pumping and condensing turbine generator set 3 is connected with an inlet of the heat supply network heater 5 through a pipeline, and a valve is arranged on the connected pipeline. An outlet of the heating network heater 5 is connected with an inlet of a condenser 4 for the condensing turbine generator set through a pipeline.
An inlet of the first standby temperature and pressure reducing device 7 is connected with the high-parameter steam pipeline, an outlet of the first standby temperature and pressure reducing device 7 is connected with an inlet pipeline of the second standby temperature and pressure reducing device 8, and an outlet of the second standby temperature and pressure reducing device 8 is connected with an inlet pipeline of the bypass condenser 10. The inlet of a third standby temperature and pressure reducing device 9 is connected with a high-parameter steam pipeline, the outlet of the third standby temperature and pressure reducing device 9 is connected with the pipeline connecting the outlet of the condensing turbine generator set 3 and the inlet of the heat supply network heater 5 through a pipeline, and a valve is arranged on the pipeline.
The utility model discloses a theory of operation and working process as follows:
1) In winter, high-parameter steam generated by dry quenching respectively enters a pure condensing turbo generator set 1 and a condensing steam turbine generator set 3 to do work during normal production, the high-parameter steam is condensed into water through a condenser 2 for the pure condensing turbo generator set and a condenser 4 for the condensing steam turbine generator set respectively, circulating cooling water of the condenser 2 for the pure condensing turbo generator set is switched into heating water, low-temperature heating water firstly passes through the condenser 2 for the pure condensing turbo generator set to become medium-temperature heating water after heat exchange and then enters a heat supply network heater 5, the heat supply network heater heats the medium-temperature heating water by using steam extracted by the condensing steam turbine generator set 3 (by adjusting steam extraction amount and heating load) to become high-temperature heating water to be supplied to heating users, and steam extracted by the condensing steam turbine generator set 3 is condensed into water after heat exchange by the heat supply network heater 5 and then returns to the condenser 4 for the condensing turbo generator set.
2) When the condensing turbine generator set 1 is in an accident or is overhauled, high-parameter steam enters the first standby temperature and pressure reducing device 7, the second standby temperature and pressure reducing device 8 and the bypass condenser 10 to be condensed into water, and low-temperature heating water is heated by the bypass condenser 10.
3) When the condensing turbine generator set 3 is in an accident or is overhauled, high-parameter steam enters the third standby temperature and pressure reduction equipment 9 and the heat supply network heater 5 to be condensed into water, and medium-temperature heating water is heated by the heat supply network heater 5.
4) In summer, high-parameter steam generated by dry quenching enters the pure condensing turbo generator set 1 and the condensing turbine generator set 3 respectively to do work, the high-parameter steam is condensed into water through the condenser 2 for the pure condensing turbo generator set and the condenser 4 for the condensing turbine generator set respectively, the condensing turbine generator set 3 is adjusted to be in pure condensing operation, heating water is switched into circulating cooling water, and the circulating cooling water is cooled through the cooling tower 6.
The utility model discloses dispose 1 pure unit of condensing in dry coke quenching waste heat power generation, 1 take out and condense the unit, 2 heat supply network heaters, a plurality of reserve temperature and pressure reduction equipment, bypass condenser and other auxiliary assembly, utilize the waste heat of pure unit exhaust steam and the extraction steam heat of taking out and condensing the unit, heat low temperature heating water, supply heating user, not only can improve steam turbine generating efficiency in winter, can be according to the change automatic adjustment steam extraction volume of external heating load simultaneously, through a plurality of reserve temperature and pressure reduction equipment, the bypass condenser can guarantee not influence the heating when arbitrary turbo generator set trouble.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a system for dry quenching waste heat power generation supplies heating water which characterized in that: the system comprises a straight condensing turbine generator unit, a condenser for the straight condensing turbine generator unit, a bypass condenser, a heat supply network heater, a condensing wheel generator unit and a condenser for the condensing wheel generator unit which are sequentially connected through pipelines; the first cooling tower is connected with a condenser pipeline for a straight condensing turbine generator unit, and the second cooling tower is connected with a condenser pipeline for a condensing turbine generator unit; one end of a third standby temperature and pressure reducing device is connected with the high-parameter steam pipeline, and the other end of the third standby temperature and pressure reducing device is connected with a pipeline connected with a heat supply network heater and a condensing turbine generator set; 1. one end of a second standby temperature and pressure reduction device is connected with the high-parameter steam pipeline, and the other end of the second standby temperature and pressure reduction device is connected with the bypass condenser pipeline; the outlet of the heating network heater is connected with a heating equipment pipeline, the heating equipment is connected with a condenser inlet pipeline for the straight condensing steam turbine generator unit, and a branch pipeline is arranged to be connected with a bypass condenser inlet.
2. The system for supplying heating water by dry quenching waste heat power generation as claimed in claim 1, wherein: the outlet of the condenser for the straight condensing steam turbine generator unit is connected with the inlet of the first cooling tower through a pipeline, and a valve is arranged on the pipeline; the condenser inlet for the straight condensing steam turbine generator unit is connected with the outlet of the first cooling tower through a pipeline, and a valve is arranged on the pipeline.
3. The system for supplying heating water by dry quenching waste heat power generation as claimed in claim 1, wherein: and the condenser outlet of the condensing wheel generator set is connected with the inlet of the second cooling tower through a pipeline, and the condenser inlet of the condensing wheel generator set is connected with the outlet of the second cooling tower through a pipeline.
4. The system for supplying heating water by dry quenching waste heat power generation as claimed in claim 1, wherein: the high-parameter steam pipeline is connected with an inlet of the straight condensing turbine generator unit, and the high-parameter steam pipeline is connected with an inlet of the condensing turbine generator unit.
5. The system for supplying heating water by dry quenching waste heat power generation as claimed in claim 1, wherein: and the outlet of the bypass condenser is connected with a pipeline connected with the condenser for the straight condensing steam turbine generator unit and the heat supply network heater through a pipeline, and a valve is arranged on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221549350.XU CN217602732U (en) | 2022-06-21 | 2022-06-21 | System for supplying heating water by dry quenching waste heat power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221549350.XU CN217602732U (en) | 2022-06-21 | 2022-06-21 | System for supplying heating water by dry quenching waste heat power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217602732U true CN217602732U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221549350.XU Active CN217602732U (en) | 2022-06-21 | 2022-06-21 | System for supplying heating water by dry quenching waste heat power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217602732U (en) |
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2022
- 2022-06-21 CN CN202221549350.XU patent/CN217602732U/en active Active
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