CN216110888U - Efficient energy-saving device for recycling heat and optimizing condenser vacuum - Google Patents
Efficient energy-saving device for recycling heat and optimizing condenser vacuum Download PDFInfo
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- CN216110888U CN216110888U CN202122461882.XU CN202122461882U CN216110888U CN 216110888 U CN216110888 U CN 216110888U CN 202122461882 U CN202122461882 U CN 202122461882U CN 216110888 U CN216110888 U CN 216110888U
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- 238000004064 recycling Methods 0.000 title claims description 7
- 239000000498 cooling water Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000005457 optimization Methods 0.000 claims description 2
- 238000010992 reflux Methods 0.000 abstract description 3
- 210000002700 urine Anatomy 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
The utility model discloses a high-efficiency energy-saving device for recovering heat and optimizing condenser vacuum, which comprises: the upper part of the pipeline horizontal pipe section is fixedly communicated with a steam inlet pipeline, and the lower part of the pipeline horizontal pipe section is fixedly communicated with a return pipeline; the side surface and the bottom of the jet flow entrainment dynamic mixer are respectively connected with the steam inlet pipeline and the reflux pipeline; a feed pump turbine having a feed pump connected to one side thereof; the small condenser is connected with the feed pump turbine and is used for condensing steam to form cooling water; and the hot well is used for collecting condensed water and cooling water which automatically flow into the lower part of the horizontal pipe section of the steam exhaust pipeline through the return pipeline. The jet entrainment dynamic mixer disclosed by the utility model is used for dynamically mixing the condensed water at the outlet of the condensate pump of the small condenser with the steam in a direct contact manner in a jet entrainment manner, so that the steam is condensed into the condensed water, and the vacuum of the condenser is optimized.
Description
Technical Field
The utility model relates to the technical field of environmental protection and energy conservation, in particular to a high-efficiency energy-saving device for recycling heat and optimizing condenser vacuum.
Background
At present, most cold end systems of power plants in China have the problem of high energy consumption. Most notably, the condenser is used as an important device of a cold end system, and people often underestimate the influence of vacuum deterioration caused by vacuum pumping equipment on energy consumption, and pay more attention to the influence of steam parameters on the thermal efficiency of a unit. The vacuum of the condenser has very important influence on the economy and the safety of the steam turbine generator set, the deterioration of the vacuum of the condenser can increase the coal consumption of the power generation of the unit, the temperature of a rear cylinder is increased, and the safe and stable operation of the steam turbine is influenced.
The vacuum system of a large-scale generating set mostly adopts an eccentric water ring vacuum pump at present, and has the advantages that the energy consumption of a unit dry air pumping amount is low, but in actual operation, the phenomenon that the exhaust pressure is higher due to the fact that the pumping capacity is reduced frequently occurs, the important reason is that the temperature of gas entering the water ring vacuum pump is too high, and therefore, the efficient energy-saving device for recycling heat and optimizing the vacuum of the condenser is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a high-efficiency energy-saving device for recovering heat and optimizing condenser vacuum.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a retrieve high-efficient economizer of heat optimization condenser vacuum, includes: the upper part of the pipeline horizontal pipe section is fixedly communicated with a steam inlet pipeline, and the lower part of the pipeline horizontal pipe section is fixedly communicated with a return pipeline; the side surface and the bottom of the jet flow entrainment dynamic mixer are respectively connected with the steam inlet pipeline and the reflux pipeline; a feed pump turbine having a feed pump connected to one side thereof; the small condenser is connected with the feed pump turbine and is used for condensing steam to form cooling water; the hot well is used for collecting condensed water and cooling water which automatically flow into the lower part of the horizontal pipe section of the steam exhaust pipeline through the return pipeline; the water outlet of the small machine condensate pump is connected with a cooling water pipeline, and cooling water is sent into the jet entrainment dynamic mixer through the cooling water pipeline.
Preferably, the height of the jet entrainment dynamic mixer is consistent with that of the horizontal pipe section of the exhaust pipeline.
Preferably, one side of hot-well is connected with urine drainage condensate pipe, and is provided with urine drainage condensate pipe on the urine drainage condensate pipe and presses the pump outlet regulating valve, cooling water piping connection is between urine drainage condensate pump and urine drainage condensate pump outlet regulating valve.
Preferably, the steam inlet pipeline and the reflux pipeline are straight pipes, so that the horizontal pipe section of the steam exhaust pipeline and the jet flow entrainment dynamic mixer are always kept in a communicated state.
Preferably, the cooling water pipeline is provided with a cooling water pipeline regulating valve and a cooling water pipeline manual valve respectively.
Compared with the prior art, the utility model has the beneficial effects that:
1. the jet entrainment dynamic mixer is used for dynamically mixing the condensed water at the outlet of the condensate pump of the small machine and the steam in a direct contact manner in a jet entrainment manner, and condensing the steam into the condensed water, so that the vacuum of the condenser is optimized;
2. the switching operation of the device is simple, and only the cooling water pipeline regulating valve, the cooling water pipeline manual valve and the small condensate pump outlet regulating valve need to be adjusted;
3. the condensed water formed by the condensed steam and the heated cooling water are discharged to the hot well through the lower part of the horizontal pipe section of the steam exhaust pipeline, so that the recycling of steam heat is realized.
Drawings
Fig. 1 is a schematic diagram of a high-efficiency energy-saving device for recovering heat and optimizing condenser vacuum provided by the utility model.
In the figure: 1-a horizontal pipe section of an exhaust pipeline, 2-a water-feeding pump steam turbine, 3-a water-feeding pump, 4-a condenser, 5-a condensate pump of a small machine, 6-a cooling water pipeline, 7-a cooling water pipeline regulating valve, 8-a manual valve of the cooling water pipeline, 9-a jet entrainment dynamic mixer, 10-an intake pipeline, 11-a return pipeline, 12-a condensate pump outlet regulating valve, 13-a condensate pipeline of the small machine and 14-a hot well.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a high-efficiency energy-saving device for recovering heat and optimizing condenser vacuum comprises: the system comprises a pipeline horizontal pipe section 1, a jet flow entrainment dynamic mixer 9, a feed pump turbine 2, a small machine condenser 4, a small machine condensate pump 5 and a hot well 14.
The upper part of the horizontal pipe section 1 of the pipeline is fixedly communicated with a steam inlet pipeline 10, the lower part of the horizontal pipe section 1 of the pipeline is fixedly communicated with a return pipeline 11, the steam inlet pipeline 10 and the return pipeline 11 are not provided with any valve component, namely a straight-through pipe, so that the horizontal pipe section 1 of the steam exhaust pipeline and the jet entrainment dynamic mixer 9 are always kept in a communicated state, the side surface and the bottom of the jet entrainment dynamic mixer 9 are respectively connected with the steam inlet pipeline 10 and the return pipeline 11, the height of the jet entrainment dynamic mixer 9 is consistent with that of the horizontal pipe section 1 of the steam exhaust pipeline, the jet entrainment dynamic mixer 9 injects cooling water in a jet entrainment mode, the cooling water is directly contacted with steam from the steam inlet pipeline 10 for dynamic mixing, the steam is condensed into condensed water, and the formed condensed water and the cooling water automatically flow into the lower part of the horizontal pipe section 1 of the steam exhaust pipeline through the return pipeline 11.
One side of the water feeding pump turbine 2 is connected with a water feeding pump 3; little machine condenser 4 is connected with feed pump steam turbine 2, be used for the condensate steam to form the cooling water, hot well 14 is used for collecting condensate water and the cooling water that gets into the horizontal pipeline section 1 lower part of exhaust steam pipeline through backflow pipeline 11 self-current, one side of hot well 14 is connected with little machine exhaust condensate water pipeline 13, and be provided with little machine condensate outlet regulating valve 12 on little machine exhaust condensate water pipeline 13, cooling water pipeline 6 connects between little machine condensate pump 5 and little machine condensate outlet regulating valve 12, little machine condensate pump 5 delivery port is connected with cooling water pipeline 6, and send into the efflux through cooling water pipeline 6 and draw dynamic mixer 9 in with the cooling water.
Be provided with cooling water pipeline governing valve 7 and the manual valve 8 of cooling water pipeline on the cooling water pipeline 6 respectively, when jet entrainment dynamic mixer 9 comes into operation, open cooling water pipeline governing valve 7 and the manual valve 8 of cooling water pipeline, close little machine condensate outlet governing valve 12 on little machine exhaust condensate water pipeline 13 simultaneously, and when jet entrainment dynamic mixer 9 excision operation, open little machine condensate outlet governing valve 12, close cooling water pipeline governing valve 7 and the manual valve 8 of cooling water pipeline simultaneously.
Particularly, the jet entrainment dynamic mixer carries out direct contact dynamic mixing with the condensate water of the export of the small condensate pump 5 through the jet entrainment mode, condense the steam into the condensate water, the vacuum of the condenser is optimized, only the adjusting cooling water pipeline regulating valve 7, the manual valve 8 of the cooling water pipeline and the small condensate pump outlet regulating valve 12 can be operated by the operating device to switch the work, and the condensate water formed by the condensate steam and the cooling water after heating are discharged to the hot well 14 through the lower part of the horizontal pipe section 1 of the exhaust steam pipeline, and finally the recycling of the steam heat is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a retrieve high-efficient economizer of heat optimization condenser vacuum which characterized in that includes:
the upper part of the pipeline horizontal pipe section (1) is fixedly communicated with a steam inlet pipeline (10), and the lower part of the pipeline horizontal pipe section is fixedly communicated with a return pipeline (11);
the side surface and the bottom of the jet flow entrainment dynamic mixer (9) are respectively connected with the steam inlet pipeline (10) and the return pipeline (11);
a feed pump turbine (2) having a feed pump (3) connected to one side thereof;
the condenser (4) of the small condenser is connected with the feed pump turbine (2) and is used for condensing steam to form cooling water;
the hot well (14) is used for collecting condensed water and cooling water which automatically flow into the lower part of the horizontal pipe section (1) of the steam exhaust pipeline through the return pipeline (11);
and the water outlet of the small machine condensate pump (5) is connected with a cooling water pipeline (6), and cooling water is sent into the jet entrainment dynamic mixer (9) through the cooling water pipeline (6).
2. The efficient energy-saving device for recovering heat and optimizing condenser vacuum as claimed in claim 1, wherein the height of the jet entrainment dynamic mixer (9) is consistent with that of the horizontal pipe section (1) of the exhaust pipeline.
3. The efficient energy-saving device for recovering heat and optimizing condenser vacuum according to claim 1, wherein one side of the hot well (14) is connected with a small condensing exhaust condensate pipeline (13), a small condensing pump outlet regulating valve (12) is arranged on the small condensing exhaust condensate pipeline (13), and the cooling water pipeline (6) is connected between the small condensing pump (5) and the small condensing pump outlet regulating valve (12).
4. The efficient energy-saving device for recycling heat and optimizing condenser vacuum according to claim 1, characterized in that the steam inlet pipeline (10) and the return pipeline (11) are straight pipes, so that the horizontal pipe section (1) of the steam exhaust pipeline and the jet entrainment dynamic mixer (9) are always kept in a communicated state.
5. The efficient energy-saving device for recovering heat and optimizing condenser vacuum as claimed in claim 1, wherein the cooling water pipeline (6) is provided with a cooling water pipeline regulating valve (7) and a cooling water pipeline manual valve (8), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461882.XU CN216110888U (en) | 2021-10-13 | 2021-10-13 | Efficient energy-saving device for recycling heat and optimizing condenser vacuum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461882.XU CN216110888U (en) | 2021-10-13 | 2021-10-13 | Efficient energy-saving device for recycling heat and optimizing condenser vacuum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216110888U true CN216110888U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122461882.XU Expired - Fee Related CN216110888U (en) | 2021-10-13 | 2021-10-13 | Efficient energy-saving device for recycling heat and optimizing condenser vacuum |
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| Country | Link |
|---|---|
| CN (1) | CN216110888U (en) |
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2021
- 2021-10-13 CN CN202122461882.XU patent/CN216110888U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |