CN209840060U - Exhaust steam drainage waste heat recycling system - Google Patents
Exhaust steam drainage waste heat recycling system Download PDFInfo
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- CN209840060U CN209840060U CN201920378400.4U CN201920378400U CN209840060U CN 209840060 U CN209840060 U CN 209840060U CN 201920378400 U CN201920378400 U CN 201920378400U CN 209840060 U CN209840060 U CN 209840060U
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- pipeline
- hydrophobic
- drainage
- recycling
- exhaust steam
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model discloses an exhaust steam drainage waste heat recycling system, which comprises a drain tank communicated with a surface heat exchanger in the surface exhaust steam recycling system, a drain pipeline connected with the drain tank, a filter screen arranged on the drain pipeline, a water quality monitoring device used for water quality monitoring, a three-way pipe connected with a water outlet of the drain pipeline, a drainage recycling pipeline and a drainage recycling pipeline which are both connected with the three-way pipe; the other end of the hydrophobic recycling pipeline is connected to an external chemical water treatment system, and the other end of the hydrophobic recycling pipeline is connected to an external steam turbine condensed water system. Through the design, the utility model discloses the qualified exhaust steam of recycle water quality inspection is hydrophobic, makes the hydrophobic waste heat recovery of exhaust steam utilize, practices thrift water source, energy saving, has reduced the cost of enterprise, has improved the performance of enterprises. Therefore, the method has high use value and popularization value.
Description
Technical Field
The utility model belongs to the technical field of resource recovery utilizes technique and specifically relates to a hydrophobic waste heat recovery utilizes system of exhaust steam is related to.
Background
Energy conservation is a major strategic task of sustainable development of the economy and society of relationship. The power industry is the key field for implementing energy conservation in China. Today, energy conservation has a profound impact on enterprises and even the whole country, as energy prices are increasing.
The waste steam separated by the surface type waste steam recycling system of the thermal power plant is drained to be directly discharged into a chemical water treatment system for treatment, and the heat of the drained waste steam with a certain temperature is also discharged, so that energy waste is caused. Therefore, the waste steam with a certain temperature in the surface type waste steam recycling system needs to be subjected to heat recycling, and the steam and water heat of the parts needs to be recycled, so that a large amount of cost can be saved, and the enterprise benefit can be improved. For the reuse of the hydrophobic steam with certain heat, the water quality of the waste steam hydrophobic steam must be qualified so as to meet the water quality requirement of the steam turbine condensed water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrophobic waste heat recovery utilizes system of exhaust steam mainly solves to have the hydrophobic heat of certain temperature among the current surface formula exhaust steam recovery system by direct emission, causes the extravagant problem of energy.
In order to achieve the above object, the utility model adopts the following technical scheme:
a waste steam drainage waste heat recycling system comprises a drain tank communicated with a surface type heat exchanger in a surface type waste steam recycling system, a drain pipeline connected with the drain tank, a filter screen arranged on the drain pipeline, a water quality monitoring device used for monitoring water quality, a three-way pipe connected with a water outlet of the drain pipeline, a drainage recycling pipeline and a drainage recycling pipeline which are connected with the three-way pipe; the other end of the hydrophobic recycling pipeline is connected to an external chemical water treatment system, and the other end of the hydrophobic recycling pipeline is connected to an external steam turbine condensed water system.
Furthermore, a manual sampling port is arranged between the filter screen on the drainage pipeline and the water quality monitoring device, and a sampling manual valve is arranged on the manual sampling port.
Further, a drain manual door is arranged on the drain recovery pipeline.
Furthermore, a booster pump is arranged on the hydrophobic recycling pipeline, a manual door before the pump is arranged on the hydrophobic recycling pipeline between the booster pump and the three-way pipe, a manual door after the pump is arranged on the hydrophobic recycling pipeline on the other side of the booster pump, and a check valve is also arranged between the manual door after the pump and a water outlet of the hydrophobic recycling pipeline.
Furthermore, a flowmeter, a pressure gauge and a thermometer are sequentially arranged below the water quality monitoring device on the drainage pipeline.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a set up the hydrophobic pipeline of recycling, the hydrophobic inspection of exhaust steam in the drain tank is qualified after, and the manual door of the hydrophobic on the recovery pipeline that will drain is closed, and the hydrophobic process booster pump that has the water quality requirement of certain thermal satisfied steam turbine condensate water steps up and directly retrieves to steam turbine condensate system, has reduced the thermal loss of soda, has reduced the electricity generation coal consumption, has practiced thrift the energy, has improved the performance of enterprises.
(2) The utility model discloses an install filter screen, water quality monitoring device, manual sample connection additional, to the hydrophobic quality of water real-time supervision of exhaust steam, ensure that the hydrophobic quality of water of exhaust steam is qualified, satisfy the quality of water requirement of steam turbine condensate water.
(3) The utility model discloses set up hydrophobic recovery pipeline, when the hydrophobic inspection of exhaust steam is unqualified, opened hydrophobic hand-operated door, the hand-operated door is closed behind pump front hand-operated door and the pump on the pipeline is recycled to the hydrophobicity, and the exhaust steam of unqualified like this is hydrophobic, causes chemical water processing system through hydrophobic recovery pipeline, can continue to supply with cyclic utilization, the water economy resource of power plant after chemical water processing system handles.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-surface heat exchanger, 2-drain tank, 3-drain pipeline, 4-filter screen, 5-water quality monitoring device, 6-three-way pipe, 7-drain recovery pipeline, 8-drain reuse pipeline, 9-manual sampling port, 10-sampling manual valve, 11-drain manual valve, 12-booster pump, 13-manual valve before pump, 14-manual valve after pump, 15-check valve, 16-flowmeter, 17-pressure gauge and 18-thermometer.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Examples
As shown in fig. 1, the utility model discloses a hydrophobic waste heat recovery utilizes system of exhaust steam, include with the drain trap 2 of the 1 intercommunication of surface heat exchanger among the surface type exhaust steam recovery system, still include the drain pipe 3 of being connected with drain trap 2, set up filter screen 4 on drain pipe 3 and the water quality monitoring device 5 that is used for the water quality monitoring, the three-way pipe 6 of being connected with drain pipe 3 delivery port to and hydrophobic recovery pipeline 7 and the hydrophobic pipeline 8 of recycling that all is connected with three-way pipe 6. Wherein, the other end of the hydrophobic recovery pipeline 7 is connected to an external chemical water treatment system, and the hydrophobic reuse pipeline 8 is connected to an external steam turbine condensate system. And a drain manual door 11 is arranged on the drain recovery pipeline 7 and used for controlling the drain to flow.
The hydrophobic recycling pipeline 8 is provided with a booster pump 12, the hydrophobic recycling pipeline 8 between the booster pump 12 and the three-way pipe 6 is provided with a manual door 13 before the pump, the hydrophobic recycling pipeline 8 on the other side of the booster pump 12 is provided with a manual door 14 after the pump, and a check valve 15 is arranged between the manual door 14 after the pump and the water outlet of the hydrophobic recycling pipeline 8. The check valve 15 is used for preventing the condensed water of the steam turbine from flowing back to the steam exhaust drainage system. After the exhausted steam in the steam trap 2 is qualified, the manual drain valve 11 on the drain recovery pipeline 7 is closed, and the drain with certain heat meeting the water quality requirement of the steam turbine condensate water is directly recovered to the steam turbine condensate water system after being boosted by the booster pump 12. When the exhaust steam drainage is unqualified, the drainage manual door 11 is opened, the pre-pump manual door 13 and the post-pump manual door 14 on the drainage recycling pipeline 8 are closed, and the unqualified exhaust steam drainage is led to a chemical water treatment system through the drainage recovery pipeline 7 and can be continuously supplied to the boiler for recycling after being treated by the chemical water treatment system.
Still be provided with manual sample connection 9 between filter screen 4 and the water quality monitoring device 5 on the hydrophobic pipeline 3, be provided with sample manual valve 10 on the manual sample connection 9, adopt the multiple detection exhaust steam hydrophobic water quality of water of manual sampling, artifical reinspection's mode simultaneously, guarantee that the hydrophobic quality of water of exhaust steam is qualified to satisfy the quality of water requirement of steam turbine condensate water.
And a flowmeter 16, a pressure gauge 17 and a thermometer 18 are sequentially arranged below the water quality monitoring device 5 on the drainage pipeline 3 and are respectively used for monitoring the flow, pressure and temperature of the exhaust steam drainage.
The utility model discloses a set up hydrophobic recovery pipeline and hydrophobic recycling pipeline, the hydrophobic inspection of exhaust steam in the hydrophobic tank is qualified after, and the hydrophobic hand door that will be on the hydrophobic recovery pipeline is closed, and the hydrophobic process booster pump that has the water quality requirement of certain thermal satisfied steam turbine condensate water steps up and directly retrieves to steam turbine condensate system, has reduced the thermal loss of soda, has reduced the electricity generation coal consumption, has practiced thrift the energy, has improved the performance of enterprises. If the exhaust steam drainage is unqualified, the exhaust steam drainage is led to the chemical water treatment system through the drainage recovery pipeline, and can be continuously supplied to a power plant for cyclic utilization after being treated by the chemical water treatment system, so that water resources are saved. Therefore, the utility model has high use value and popularization value.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.
Claims (5)
1. The exhaust steam drainage waste heat recycling system comprises a drainage tank (2) communicated with a surface type heat exchanger (1) in the surface type exhaust steam recycling system, and is characterized by further comprising a drainage pipeline (3) connected with the drainage tank (2), a filter screen (4) arranged on the drainage pipeline (3), a water quality monitoring device (5) used for monitoring water quality, a three-way pipe (6) connected with a water outlet of the drainage pipeline (3), a drainage recycling pipeline (7) and a drainage recycling pipeline (8) which are connected with the three-way pipe (6); the other end of the hydrophobic recovery pipeline (7) is connected to an external chemical water treatment system, and the other end of the hydrophobic reuse pipeline (8) is connected to an external steam turbine condensate system.
2. The exhaust steam drainage waste heat recycling system according to claim 1, wherein a manual sampling port (9) is further arranged between the filter screen (4) on the drainage pipeline (3) and the water quality monitoring device (5), and a sampling manual valve (10) is arranged on the manual sampling port (9).
3. The exhaust steam hydrophobic waste heat recycling system according to claim 2, wherein the hydrophobic recycling pipeline (7) is provided with a hydrophobic manual door (11).
4. The exhaust steam hydrophobic waste heat recycling system according to claim 3, wherein a booster pump (12) is arranged on the hydrophobic recycling pipeline (8), a manual door (13) before the pump is arranged on the hydrophobic recycling pipeline (8) between the booster pump (12) and the three-way pipe (6), a manual door (14) after the pump is arranged on the hydrophobic recycling pipeline (8) on the other side of the booster pump (12), and a check valve (15) is arranged between the manual door (14) after the pump and the water outlet of the hydrophobic recycling pipeline (8).
5. The exhaust steam drainage waste heat recycling system according to claim 4, characterized in that a flow meter (16), a pressure gauge (17) and a thermometer (18) are sequentially arranged below the water quality monitoring device (5) on the drainage pipeline (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920378400.4U CN209840060U (en) | 2019-03-22 | 2019-03-22 | Exhaust steam drainage waste heat recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920378400.4U CN209840060U (en) | 2019-03-22 | 2019-03-22 | Exhaust steam drainage waste heat recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209840060U true CN209840060U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920378400.4U Active CN209840060U (en) | 2019-03-22 | 2019-03-22 | Exhaust steam drainage waste heat recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209840060U (en) |
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2019
- 2019-03-22 CN CN201920378400.4U patent/CN209840060U/en active Active
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