CN204420978U - A kind of energy saving drainage system of boiler hydrophobic development unit - Google Patents
A kind of energy saving drainage system of boiler hydrophobic development unit Download PDFInfo
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- CN204420978U CN204420978U CN201520023629.8U CN201520023629U CN204420978U CN 204420978 U CN204420978 U CN 204420978U CN 201520023629 U CN201520023629 U CN 201520023629U CN 204420978 U CN204420978 U CN 204420978U
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- water
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- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 60
- 238000011161 development Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 139
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 12
- 238000010612 desalination reaction Methods 0.000 claims description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a kind of energy saving drainage system of boiler hydrophobic development unit, comprise hydrophobic development unit, sweet-water tank, expansion tank, drain tank, solidifying water supply tank and condenser, hydrophobic development unit connects drain tank by pipeline, drain tank connects condenser by the pipeline of band drainage pump, also comprise heat exchanger, corresponding sweet-water tank is also provided with heat cycles pump, sweet-water tank connects the water inlet of heat cycles pump by pipeline, the delivery port of heat cycles pump is connected to water pipe and demineralized water heat cycles pipeline, water pipe connects expansion tank away from one end of heat cycles pump, water pipe is provided with moisturizing valve, demineralized water heat cycles pipeline connects solidifying water supply tank away from heat cycles pump one end, heat exchanger is arranged on demineralized water heat cycles pipeline, heat exchanger connects hydrophobic development unit by pipeline.Beneficial effect reclaims hydrophobic heat, reduces thermal loss etc.
Description
Technical field
The utility model relates to a kind of draining system, specifically a kind of energy saving drainage system of boiler hydrophobic development unit.
Background technology
Valve leak phenomenon is unavoidably there is in boiler running process, hydrophobic development unit carries out dilatation step-down by from the hydrophobic of hydrophobic pipeline, isolate the equipment of steam and condensate water, condensate water is then introduced in drain tank and regularly sends into condenser, enters the feed water system of boiler and carries out cycling and reutilization.The draining system design principle of current hydrophobic development unit is: initial start stage, and boiler is hydrophobic after hydrophobic development unit dilatation, cooling, outer row (water quality is defective) or deliver to condenser (water quality qualified after) and reclaim working medium; After boiler operatiopn is stable, each hydrophobic valve complete shut-down, without hydrophobic to hydrophobic development unit.In actual motion, because the situations such as valves leakage cause hydrophobic development unit to have a large amount of steam to emerge for a long time, field measurement hydrophobic development unit exhaust tube wall temperature reaches 85 DEG C (steam inside temperature estimates 95 DEG C), there is a large amount of thermal loss.
Utility model content
Technical problem to be solved in the utility model is to provide one can reclaim hydrophobic heat, improves the energy saving drainage system of the boiler hydrophobic development unit of unit operation economy.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of energy saving drainage system of boiler hydrophobic development unit, comprise hydrophobic development unit, sweet-water tank, expansion tank, drain tank, solidifying water supply tank and condenser, corresponding described sweet-water tank is provided with desalination water pump, the water inlet of described desalination water pump is by sweet-water tank described in pipeline connection, described solidifying water supply tank connects the delivery port of described desalination water pump by pipeline, corresponding described solidifying water supply tank is provided with solidifying small pump, the water inlet of described solidifying small pump connects described solidifying water supply tank by pipeline, the delivery port of described solidifying small pump connects described condenser by pipeline, described hydrophobic development unit connects described drain tank by pipeline, described drain tank connects described condenser by being with the pipeline of drainage pump, the pipeline of described band drainage pump is also connected to unit rhone and catch-basin by pipeline, also comprise heat exchanger, corresponding described sweet-water tank is also provided with heat cycles pump, described sweet-water tank connects the water inlet of described heat cycles pump by pipeline, the delivery port of described heat cycles pump is connected to water pipe and demineralized water heat cycles pipeline, described water pipe connects described expansion tank away from one end of described heat cycles pump, described water pipe is provided with moisturizing valve, described demineralized water heat cycles pipeline connects described solidifying water supply tank away from heat cycles pump one end, described heat exchanger is arranged on described demineralized water heat cycles pipeline, the blast pipe of air inlet by being with the heat exchanger air inlet pipe of valve to connect described hydrophobic development unit of described heat exchanger, in the blast pipe of described hydrophobic development unit, the top of the blast pipe junction of described heat exchanger air inlet pipe and described hydrophobic development unit is provided with dead-weight plate-turning door, the gas outlet of described heat exchanger connects the blast pipe of described hydrophobic development unit by heat exchanger escape pipe, the blast pipe junction of described heat exchanger escape pipe and described hydrophobic development unit is positioned at the top of described dead-weight plate-turning door.
The beneficial effects of the utility model are: partial deionization water is divided into two-way at the delivery port of described heat cycles pump, one tunnel enters the heat that described heat exchanger absorbs the steam of discharging from described hydrophobic development unit, then described solidifying water supply tank is entered, as the make-up water of condenser together with after mixing with the demineralized water entering described solidifying water supply tank through described desalination water pump, realize the recycling (conversion mark about 80 tons/year, coal) of hydrophobic heat, reduce system heat losses, another road demineralized water enters closed-up water expansion tank through described water pipe, as the make-up water of unit closed Water System, under normal circumstances, unit closed Water System adopts condensate water as make-up water (condensing water temperature about 40 DEG C), and unit closed Water System corresponding to the utility model is using demineralized water as make-up water (demineralized water temperature about 25 DEG C), adopt demineralized water as closed Water System make-up water with adopt condensate water as closed Water System make-up water compared with, avoid thermal loss (conversion mark about 40 tons/year, coal), improve the economy of unit operation, in addition, feed water temperature is lower better for cooling effect closed Water System, in blast pipe due to described hydrophobic development unit, the top of the blast pipe junction of described heat exchanger air inlet pipe and described hydrophobic development unit is provided with dead-weight plate-turning door, the steam total number being convenient to described hydrophobic development unit is discharged on the one hand enters heat exchanger and recycles, on the other hand, during unit fault, a large amount of steam that hydrophobic development unit is discharged directly can be washed described dead-weight plate-turning door open and discharge.
On the basis of technique scheme, the utility model can also do following improvement.
Further, on the pipeline installing described heat cycles pump, corresponding described heat cycles parallel connection of pumps is connected with heat cycles pump for subsequent use, when described heat cycles pump breaks down, described heat cycles pump work for subsequent use, guarantee can not stop described heat exchanger for demineralized water, continue to reclaim hydrophobic heat, while reducing thermal loss, the repair and maintenance of described heat cycles pump can be realized.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In accompanying drawing, the list of parts representated by each label is as follows:
1, sweet-water tank, 2, heat cycles pump, 3, heat cycles pump for subsequent use, 4, water pipe, 5, demineralized water heat cycles pipeline, 6, hydrophobic development unit, 6-1, blast pipe, 7, dead-weight plate-turning door, 8, heat exchanger escape pipe, 8-1, heat exchanger air inlet pipe, 9, heat exchanger, 10, drain tank, 11, drainage pump, 12, catch-basin, 13, unit rhone, 14, condenser, 15, solidifying small pump, 16, solidifying water supply tank, 17, expansion tank, 18, moisturizing valve, 19, desalination water pump.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of energy saving drainage system of boiler hydrophobic development unit, comprise hydrophobic development unit 6, sweet-water tank 1, expansion tank 17, drain tank 10, solidifying water supply tank 16 and condenser 14, corresponding sweet-water tank 1 is provided with desalination water pump 19, the water inlet of desalination water pump 19 is by pipeline connection sweet-water tank 1, solidifying water supply tank 16 connects the delivery port of desalination water pump 19 by pipeline, corresponding solidifying water supply tank 16 is provided with solidifying small pump 15, the water inlet of solidifying small pump 15 connects solidifying water supply tank 16 by pipeline, the delivery port of solidifying small pump 15 connects condenser 14 by pipeline, hydrophobic development unit 6 connects drain tank 10 by pipeline, drain tank 10 connects condenser 14 by the pipeline of band drainage pump 11, pipeline with drainage pump 11 is also connected to unit rhone 13 and catch-basin 12 by pipeline, it is characterized in that: also comprise heat exchanger 9, corresponding sweet-water tank 1 is also provided with heat cycles pump 2, sweet-water tank 1 connects the water inlet of heat cycles pump 2 by pipeline, the delivery port of heat cycles pump 2 is connected to water pipe 4 and demineralized water heat cycles pipeline 5, water pipe 4 connects expansion tank 17 away from one end of heat cycles pump 2, water pipe 4 is provided with moisturizing valve 18, demineralized water heat cycles pipeline 5 connects solidifying water supply tank 16 away from heat cycles pump one end, heat exchanger 9 is arranged on demineralized water heat cycles pipeline 5, the air inlet of heat exchanger 9 connects the blast pipe 6-1 of hydrophobic development unit 6 by the heat exchanger air inlet pipe 8-1 of band valve, in the blast pipe 6-1 of hydrophobic development unit 6, the top of the blast pipe 6-1 junction of heat exchanger air inlet pipe 8-1 and hydrophobic development unit 6 is provided with dead-weight plate-turning door 7, the gas outlet of heat exchanger 9 connects the blast pipe 6-1 of hydrophobic development unit 6 by heat exchanger escape pipe 8, heat exchanger escape pipe 8 is positioned at the top of dead-weight plate-turning door 7 with the blast pipe 6-1 junction of hydrophobic development unit 6.
In the present embodiment, on the pipeline of installation heat cycles pump 2, corresponding heat cycles pump 2 is connected in parallel to heat cycles pump 3 for subsequent use.
Operation principle:
Native system initial start stage, on the one hand, the steam that hydrophobic development unit 6 is discharged enters in heat exchanger 9 through heat exchanger air inlet pipe 8-1, heating is by the demineralized water of heat cycles pump 2 from sweet-water tank 1 suction, solidifying water supply tank 16 is entered by the demineralized water heated, and with by desalination water pump 19 from after the sweet-water tank 1 suction demineralized water coagulated water supply tank 16 mixes together by solidifying small pump 15 suction condenser 14, to condensate system moisturizing; On the other hand, because isolated drain water quality in now hydrophobic development unit 6 is defective, this is hydrophobic enter drain tank 10 after to be extracted out by drainage pump 11 and enter unit rhone 13 or catch-basin 12.
After native system normal operation (drain water quality is qualified), on the one hand, the steam that hydrophobic development unit 6 is discharged enters in heat exchanger 9 through heat exchanger air inlet pipe 8-1, heating is by the demineralized water of heat cycles pump 2 from sweet-water tank 1 suction, solidifying water supply tank 16 is entered by the demineralized water heated, and with by desalination water pump 19 from after the sweet-water tank 1 suction demineralized water coagulated water supply tank 16 mixes by solidifying small pump 15 suction condenser 14, to condensate system moisturizing; On the other hand, because isolated drain water quality in now hydrophobic development unit 6 is qualified, this is hydrophobic enter drain tank 10 after sent into condenser 14 by drainage pump 11, to condensate system moisturizing.
In native system running, if the water level in expansion tank 17 is too low, then open moisturizing valve 18, the demineralized water that heat cycles pump 2 extracts in sweet-water tank 1 carries out moisturizing to expansion tank 17; If the water level in expansion tank 17 reaches setting value, then close moisturizing valve 18, stop expansion tank 17 moisturizing.
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 (2)
1. the energy saving drainage system of a boiler hydrophobic development unit, comprise hydrophobic development unit (6), sweet-water tank (1), expansion tank (17), drain tank (10), solidifying water supply tank (16) and condenser (14), corresponding described sweet-water tank (1) is provided with desalination water pump (19), the water inlet of described desalination water pump (19) is by sweet-water tank (1) described in pipeline connection, described solidifying water supply tank (16) connects the delivery port of described desalination water pump (19) by pipeline, corresponding described solidifying water supply tank (16) is provided with solidifying small pump (15), the water inlet of described solidifying small pump (15) connects described solidifying water supply tank (16) by pipeline, the delivery port of described solidifying small pump (15) connects described condenser (14) by pipeline, described hydrophobic development unit (6) connects described drain tank (10) by pipeline, described drain tank (10) connects described condenser (14) by the pipeline of band drainage pump (11), the pipeline of described band drainage pump (11) is also connected to unit rhone (13) and catch-basin (12) by pipeline, it is characterized in that: also comprise heat exchanger (9), corresponding described sweet-water tank (1) is also provided with heat cycles pump (2), described sweet-water tank (1) connects the water inlet of described heat cycles pump (2) by pipeline, the delivery port of described heat cycles pump (2) is connected to water pipe (4) and demineralized water heat cycles pipeline (5), described water pipe (4) connects described expansion tank (17) away from one end of described heat cycles pump (2), described water pipe (4) is provided with moisturizing valve (18), described demineralized water heat cycles pipeline (5) connects described solidifying water supply tank (16) away from heat cycles pump one end, described heat exchanger (9) is arranged on described demineralized water heat cycles pipeline (5), the air inlet of described heat exchanger (9) connects the blast pipe (6-1) of described hydrophobic development unit (6) by the heat exchanger air inlet pipe (8-1) of band valve, in the blast pipe (6-1) of described hydrophobic development unit (6), described heat exchanger air inlet pipe (8-1) is provided with dead-weight plate-turning door (7) with the top of blast pipe (6-1) junction of described hydrophobic development unit (6), the gas outlet of described heat exchanger (9) connects the blast pipe (6-1) of described hydrophobic development unit (6) by heat exchanger escape pipe (8), described heat exchanger escape pipe (8) is positioned at the top of described dead-weight plate-turning door (7) with blast pipe (6-1) junction of described hydrophobic development unit (6).
2. the energy saving drainage system of a kind of boiler hydrophobic development unit according to claim 1, is characterized in that: on the pipeline installing described heat cycles pump (2), corresponding described heat cycles pump (2) is connected in parallel to heat cycles pump (3) for subsequent use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023629.8U CN204420978U (en) | 2015-01-14 | 2015-01-14 | A kind of energy saving drainage system of boiler hydrophobic development unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023629.8U CN204420978U (en) | 2015-01-14 | 2015-01-14 | A kind of energy saving drainage system of boiler hydrophobic development unit |
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| CN204420978U true CN204420978U (en) | 2015-06-24 |
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| CN201520023629.8U Expired - Fee Related CN204420978U (en) | 2015-01-14 | 2015-01-14 | A kind of energy saving drainage system of boiler hydrophobic development unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338208A (en) * | 2016-08-19 | 2017-01-18 | 华能北京热电有限责任公司 | Heat supply network drain recovery system and method |
| CN109654474A (en) * | 2019-01-21 | 2019-04-19 | 成都市兴蓉再生能源有限公司 | Residual neat recovering system for refuse-burning plant hydrophobic development unit |
| CN109681859A (en) * | 2019-02-19 | 2019-04-26 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Direct current cooker image-stabilization FCS water charging system and method for supplementing water |
| CN112032703A (en) * | 2020-09-16 | 2020-12-04 | 中国能源建设集团湖南省电力设计院有限公司 | System for recovering water quality energy discharged by thermal equipment and pipelines of thermal power plant |
-
2015
- 2015-01-14 CN CN201520023629.8U patent/CN204420978U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338208A (en) * | 2016-08-19 | 2017-01-18 | 华能北京热电有限责任公司 | Heat supply network drain recovery system and method |
| CN109654474A (en) * | 2019-01-21 | 2019-04-19 | 成都市兴蓉再生能源有限公司 | Residual neat recovering system for refuse-burning plant hydrophobic development unit |
| CN109681859A (en) * | 2019-02-19 | 2019-04-26 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Direct current cooker image-stabilization FCS water charging system and method for supplementing water |
| CN109681859B (en) * | 2019-02-19 | 2024-03-08 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Water supplementing system and water supplementing method for pressure-stabilizing blowpipe of once-through boiler |
| CN112032703A (en) * | 2020-09-16 | 2020-12-04 | 中国能源建设集团湖南省电力设计院有限公司 | System for recovering water quality energy discharged by thermal equipment and pipelines of thermal power plant |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20200114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |