CN203547814U - System for generating electricity by using hot water produced by hot-water boiler through expansion machine - Google Patents
System for generating electricity by using hot water produced by hot-water boiler through expansion machine Download PDFInfo
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- CN203547814U CN203547814U CN201320697964.7U CN201320697964U CN203547814U CN 203547814 U CN203547814 U CN 203547814U CN 201320697964 U CN201320697964 U CN 201320697964U CN 203547814 U CN203547814 U CN 203547814U
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Abstract
A system for generating electricity by using hot water produced by a hot-water boiler through an expansion machine is characterized in that the system mainly comprises the hot-water boiler, an evaporator, a heat exchanger, a high-temperature heat supply network circulating water pump, an expansion machine, a speed reducer, an electric generator, a condenser, a working medium well, a working medium pump, a low-temperature heat supply network circulating water pump and a connecting pipeline. The system has the advantages that the hot water produced by the boiler which cannot be used for generating electricity previously is used for heating working media in the evaporator, the working media are evaporated to be steam with certain pressure, and the steam pushes the expansion machine to act and generate electricity. According to the system, the hot water can be used for supplying electric energy to electric equipment inside a boiler room and electric equipment outside the boiler room, so that energy is saved, discharge is lowered, and the using cost of users is lowered.
Description
Technical field
The invention belongs to cogeneration technology field, the system that the hot water that particularly utilizes heating boiler to produce by decompressor generates electricity.
Background technique
For the water-heating boiler water-exit temperature of the purposes such as heat supply, industrial production, generally more than 90 ℃, large-sized boiler can reach more than 110 ℃.The hot water that boiler produces need to transfer out by circulating water pump, water pump delivering hot water's the certain electric energy of process need consumption.To be equipped with the work of power source driving circulating water pump, and the high-temperature-hot-water itself that water-heating boiler produces also has certain generating capacity, and directly high-temperature water is produced to low temperature heating circulation water by heat exchanger in traditional heating field, and original high-temperature water temperature reduces, thereby has caused the waste on energy grade.
Summary of the invention
The object of the invention is the deficiency for overcoming prior art, propose a kind of hot water system of generating electricity of utilizing water-heating boiler to produce by decompressor, utilize hot water that boiler produces by the decompressor generating of doing work.Thereby the saving energy, reduces discharge, reduces user's user cost.
The system that the hot water that utilizes water-heating boiler to produce by decompressor that the present invention proposes generates electricity, it is characterized in that, this system mainly comprises water-heating boiler 1, vaporizer 2, heat exchanger 3, high temperature circulation pump of heat-supply network 4, decompressor 5, speed reducer 6, generator 7, vapour condenser 8, working medium well 9, working medium pump 10, low temperature circulation pump of heat-supply network 11, and connecting tube; Its annexation is: the entrance of high temperature circulation pump of heat-supply network 4 is connected with high temperature heat supply network water return pipeline a with the high temperature side outlet 32 of heat exchanger 3 respectively, the outlet of high temperature circulation pump of heat-supply network 4 is connected with the entrance of water-heating boiler 1, the outlet of water-heating boiler 1 is connected with the hot water inlet 21 of high temperature heat supply network water supply line b and vaporizer 2 respectively, and the hot water outlet 22 of vaporizer 2 is connected with the high temperature side entrance 31 of heat exchanger 3; The sender property outlet 24 of vaporizer 2 is connected with the entrance of decompressor 5, the outlet of decompressor 5 is connected with the working medium entrance 81 of vapour condenser 8, the sender property outlet 82 of vapour condenser 8 is connected with the entrance of working medium well 9, the outlet of working medium well 9 is connected with the entrance of working medium pump 10, and the outlet of working medium pump 10 is connected with the working medium entrance 23 of vaporizer 2; The entrance of low temperature circulation pump of heat-supply network 11 is connected with low temperature heat supply network water return pipeline c, the outlet of low temperature circulation pump of heat-supply network 11 is connected with the entrance 33 of vapour condenser 8 hot water inlets 83 and heat exchanger 3 respectively, and the hot water outlet 84 of vapour condenser 8 is connected with low temperature heat supply network outlet conduit d with the outlet 34 of heat exchanger 3 respectively; The axle of decompressor 5 is connected with the axle of generator 7 by speed reducer 6.
Technical characterstic of the present invention and useful achievement:
The feature of system of the present invention is to utilize the working medium in the hot water heating vaporizer that the boiler that originally cannot generate electricity produces, and working medium is evaporated to have the steam of certain pressure, promotes decompressor acting generating.
The present invention can utilize hot water to provide electric energy for the consumer outside consumer and boiler room in boiler room, thereby saves the energy, reduces discharge, reduces user's user cost.
Accompanying drawing explanation
Fig. 1 is system architecture and the workflow schematic diagram that utilizes the hot water generating of water-heating boiler generation by decompressor.
Embodiment:
The system of utilizing the hot water generating that water-heating boiler produces by decompressor that the present invention proposes is by reference to the accompanying drawings and implement to be described in detail as follows:
As shown in Figure 1, this system comprises structure of the present invention: water-heating boiler 1, vaporizer 2, heat exchanger 3, high temperature circulation pump of heat-supply network 4, decompressor 5, speed reducer 6, generator 7, vapour condenser 8, working medium well 9, working medium pump 10 and low temperature circulation pump of heat-supply network 11; Its annexation is: the entrance of high temperature circulation pump of heat-supply network 4 is connected with high temperature heat supply network water return pipeline a with the high temperature side outlet 32 of heat exchanger 3 respectively, the outlet of high temperature circulation pump of heat-supply network 4 is connected with the entrance of water-heating boiler 1, the outlet of water-heating boiler 1 is connected with the hot water inlet 21 of high temperature heat supply network water supply line b and vaporizer 2 respectively, and the hot water outlet 22 of vaporizer 2 is connected with the high temperature side entrance 31 of heat exchanger 3; The sender property outlet 24 of vaporizer 2 is connected with the entrance of decompressor 5, the outlet of decompressor 5 is connected with the working medium entrance 81 of vapour condenser 8, the sender property outlet 82 of vapour condenser 8 is connected with the entrance of working medium well 9, the outlet of working medium well 9 is connected with the entrance of working medium pump 10, and the outlet of working medium pump 10 is connected with the working medium entrance 23 of vaporizer 2; The entrance of low temperature circulation pump of heat-supply network 11 is connected with low temperature heat supply network water return pipeline c, the outlet of low temperature circulation pump of heat-supply network 11 is connected with the entrance 33 of vapour condenser 8 hot water inlets 83 and heat exchanger 3 respectively, and the hot water outlet 84 of vapour condenser 8 is connected with low temperature heat supply network outlet conduit d with the outlet 34 of heat exchanger 3 respectively; The axle of decompressor 5 is connected with the axle of generator 7 by speed reducer 6.
Native system all devices all can adopt mature equipment.
The embodiment of each equipment of native system is respectively described below;
1, water-heating boiler: the specified quantity of circulating water 400t/h of boiler, 110 ℃ of water-exit temperatures;
2, vaporizer: shell and tube evaporator, heat exchange amount is 12.6MW, heat exchange area is 240m
2;
3, heat exchanger: plate type heat exchanger, heat exchange amount is 10.7MW, heat exchange area is 147m
2;
4, high temperature circulation pump of heat-supply network: quantity of circulating water 400t/h, lift 50mH
2o;
5, decompressor: screw expander SEPG400-500/3000-SS;
6, speed reducer: through-put power 500kW, speed ratio 2.0;
7, generator: 500kW-2P-1500rpm;
8, vapour condenser: shell and tube heat exchanger, condensation load 12MW, heat exchange area 240 ㎡;
9, working medium well: volume 5m
3;
10, working medium pump: flow 720m
3/ h, lift 25m;
11, low temperature circulation pump of heat-supply network: 970t/h, lift 50m.
Claims (1)
1. the system that the hot water that utilizes water-heating boiler to produce by decompressor generates electricity, it is characterized in that, this system mainly comprises water-heating boiler (1), vaporizer (2), heat exchanger (3), high temperature circulation pump of heat-supply network (4), decompressor (5), speed reducer (6), generator (7), vapour condenser (8), working medium well (9), working medium pump (10), low temperature circulation pump of heat-supply network (11), and connecting tube; Its annexation is: the entrance of high temperature circulation pump of heat-supply network (4) is connected with high temperature heat supply network water return pipeline (a) with the high temperature side outlet (32) of heat exchanger (3) respectively, the outlet of high temperature circulation pump of heat-supply network (4) is connected with the entrance of water-heating boiler (1), the outlet of water-heating boiler (1) is connected with the hot water inlet (21) of high temperature heat supply network water supply line (b) and vaporizer (2) respectively, and the hot water outlet (22) of vaporizer (2) is connected with the high temperature side entrance (31) of heat exchanger (3); The sender property outlet (24) of vaporizer (2) is connected with the entrance of decompressor (5), the outlet of decompressor (5) is connected with the working medium entrance (81) of vapour condenser (8), the sender property outlet (82) of vapour condenser (8) is connected with the entrance of working medium well (9), the outlet of working medium well (9) is connected with the entrance of working medium pump (10), and the outlet of working medium pump (10) is connected with the working medium entrance (23) of vaporizer (2); The entrance of low temperature circulation pump of heat-supply network (11) is connected with low temperature heat supply network water return pipeline (c), the outlet of low temperature circulation pump of heat-supply network (11) is connected with the entrance (33) of vapour condenser (8) hot water inlet (83) and heat exchanger (3) respectively, and the hot water outlet (84) of vapour condenser (8) is connected with low temperature heat supply network outlet conduit (d) with the outlet (34) of heat exchanger (3) respectively; The axle of decompressor (5) is connected with the axle of generator (7) by speed reducer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697964.7U CN203547814U (en) | 2013-11-06 | 2013-11-06 | System for generating electricity by using hot water produced by hot-water boiler through expansion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697964.7U CN203547814U (en) | 2013-11-06 | 2013-11-06 | System for generating electricity by using hot water produced by hot-water boiler through expansion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547814U true CN203547814U (en) | 2014-04-16 |
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ID=50465943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320697964.7U Withdrawn - After Issue CN203547814U (en) | 2013-11-06 | 2013-11-06 | System for generating electricity by using hot water produced by hot-water boiler through expansion machine |
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| CN (1) | CN203547814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758594A (en) * | 2013-11-06 | 2014-04-30 | 北京中科华誉能源技术发展有限责任公司 | System for generating electricity by hot water generated by hot-water boiler and through expander |
| CN104088679A (en) * | 2014-06-10 | 2014-10-08 | 北京中科华誉能源技术发展有限责任公司 | System for generating electric power by recovering waste heat of materials at top of fractionating tower |
-
2013
- 2013-11-06 CN CN201320697964.7U patent/CN203547814U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758594A (en) * | 2013-11-06 | 2014-04-30 | 北京中科华誉能源技术发展有限责任公司 | System for generating electricity by hot water generated by hot-water boiler and through expander |
| CN103758594B (en) * | 2013-11-06 | 2015-05-20 | 北京中科华誉能源技术发展有限责任公司 | System for generating electricity by hot water generated by hot-water boiler and through expander |
| CN104088679A (en) * | 2014-06-10 | 2014-10-08 | 北京中科华誉能源技术发展有限责任公司 | System for generating electric power by recovering waste heat of materials at top of fractionating tower |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |