CN219757027U - Water supplementing device for reducing dissolved oxygen in condensed water - Google Patents
Water supplementing device for reducing dissolved oxygen in condensed water Download PDFInfo
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- CN219757027U CN219757027U CN202320672562.5U CN202320672562U CN219757027U CN 219757027 U CN219757027 U CN 219757027U CN 202320672562 U CN202320672562 U CN 202320672562U CN 219757027 U CN219757027 U CN 219757027U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 278
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 89
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 25
- 239000001301 oxygen Substances 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 96
- 238000011033 desalting Methods 0.000 claims abstract description 41
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 description 8
- 230000003020 moisturizing effect Effects 0.000 description 7
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a water replenishing device for reducing dissolved oxygen in condensed water, which comprises a condensed water replenishing tank, a condenser, a first desalting water pipe, a second desalting water pipe, a condenser water replenishing pipe and a condenser membrane type water replenishing pipe; the first liquid inlet end of the condensate water tank is connected with a first desalting water pipe, the second liquid inlet end of the condensate water tank is connected with a second desalting water pipe, and the first liquid outlet end of the condensate water tank is connected with a water pipe; the first liquid inlet end of the condenser is provided with a condenser water supplementing pipe, the condenser water supplementing pipe is communicated with the water delivery pipe and the first demineralized water pipe through control pipelines, the second liquid inlet end of the condenser is provided with a condenser film type water supplementing pipe, and the condenser film type water supplementing pipe is communicated with the second liquid outlet end of the condenser water supplementing tank.
Description
Technical Field
The utility model relates to the technical field of power generation waste heat utilization, in particular to a water supplementing device for reducing dissolved oxygen in condensation water.
Background
As shown in fig. 1, with the increase of the demand of heat supply in the industry, the demand of water supply of a unit is continuously increasing, and the existing water supply mode cannot meet the demand, which is as follows: 1. after the water supplementing amount is increased, the dissolved oxygen of the condensed water can be greatly increased and seriously exceeds the standard, so that on one hand, the water does not meet the national regulation standard, and on the other hand, the corrosion of equipment and pipelines can be accelerated; 2. the water supplementing quantity of the water supplementing pipe is low, two water supplementing pumps are required to run simultaneously or to switch water supplementing at intervals, equipment (a motor, a switch and the like) is easy to damage due to frequent start and stop of the water supplementing pumps, and meanwhile energy consumption is increased.
Disclosure of Invention
In view of the above, the present utility model provides a water replenishing device for reducing dissolved oxygen in condensed water to increase the water replenishing amount of a condenser, and simultaneously reduce the dissolved oxygen in the condensed water, improve the heat exchange condition of the condenser, and further optimize the cold end.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water replenishing device for reducing dissolved oxygen in condensed water comprises a condensed water replenishing tank, a condenser, a first desalting water pipe, a second desalting water pipe, a condenser water replenishing pipe and a condenser membrane type water replenishing pipe;
the first liquid inlet end of the condensate water tank is connected with a first desalting water pipe, the second liquid inlet end of the condensate water tank is connected with a second desalting water pipe, and the first liquid outlet end of the condensate water tank is connected with a water pipe;
the condenser is provided with a first liquid inlet end and a second liquid inlet end, the first liquid inlet end of the condenser is provided with a condenser water supplementing pipe, the liquid inlet end of the condenser water supplementing pipe is communicated with the liquid outlet end of the water conveying pipe and the liquid outlet end of the first desalting water pipe through a control pipeline, the second liquid inlet end of the condenser is provided with a condenser membrane type water supplementing pipe, and the liquid inlet end of the condenser membrane type water supplementing pipe is communicated with the second liquid outlet end of the condensing water supplementing tank.
For better realization above-mentioned technical scheme, optionally still include hot water system back flow, the play liquid end of hot water system back flow with the feed liquor end of condenser moisturizing pipe is through control pipeline intercommunication, hot water system back flow is equipped with first stop valve.
Optionally, the control pipeline includes parallelly connected first branch pipe, second branch pipe and the third branch pipe that sets up, the feed liquor end of first branch pipe, second branch pipe and third branch pipe all with the play liquid end of raceway, the play liquid end of hot water system back flow and the play liquid end intercommunication of first desalination water pipe, the play liquid end of first branch pipe, second branch pipe and third branch pipe all with condenser moisturizing pipe's feed liquor end intercommunication, be equipped with first congeal moisturizing pump and first control valve on the first branch pipe, be equipped with second congeal moisturizing pump and second control valve on the second branch pipe, be equipped with the third control valve on the third branch pipe.
Optionally, the first control valve, the second control valve and the third control valve include a second stop valve and a check valve.
Optionally, be equipped with first bypass pipe on the first desalting water pipe, still be equipped with the first pneumatic water replenishing valve that is located between first bypass pipe feed liquor end and the play liquid end on the first desalting water pipe, first bypass pipe is equipped with first butterfly valve.
Optionally, a second bypass pipe is arranged on the second desalting water pipe, a second pneumatic water supplementing valve positioned between the liquid inlet end and the liquid outlet end of the second bypass pipe is arranged on the second desalting water pipe, and a second butterfly valve is arranged on the second bypass pipe.
Optionally, a third bypass pipe is arranged on the condenser water supplementing pipe, the condenser water supplementing pipe is provided with a first automatic regulating valve positioned between a liquid inlet end and a liquid outlet end of the third bypass pipe, and a third stop valve is arranged on the third bypass pipe.
Optionally, a fourth bypass pipe is arranged on the condenser membrane type water supplementing pipe, the condenser membrane type water supplementing pipe is provided with a second automatic regulating valve positioned between a liquid inlet end and a liquid outlet end of the fourth bypass pipe, and the fourth bypass pipe is provided with a fourth stop valve.
The utility model has the beneficial effects that:
according to the water supplementing device for reducing the dissolved oxygen of the condensed water, the second desalting water pipe is added to the condensed water supplementing tank, so that the requirement of the condensed water supplementing tank on the water supply amount can be met.
According to the water supplementing device for reducing the dissolved oxygen of the condensed water, the membrane type water supplementing pipe of the condenser is additionally arranged on the condenser, and is communicated with the water supplementing tank, so that desalted water entering the condenser is fully atomized, uniformly heated and subjected to heat transfer, and then the desalted water oxygen is removed, so that the heat exchange condition of the condenser is further improved.
According to the water supplementing device for reducing the dissolved oxygen of the condensed water, the condenser is additionally provided with the condenser film type water supplementing pipe, the condenser film type water supplementing pipe and the condenser water supplementing pipe supply liquid to the condenser together, the water supplementing amount is increased by more than 1 time according to design flow calculation, the water supplementing amount of the condenser is greatly increased, the available allowance is large, the continuously increased demand of the heat supply amount can be met, the water supplementing safety of a unit is greatly improved, meanwhile, the first condensed water supplementing pump and the second condensed water supplementing pump can be not started, the water supplementing amount of the unit can be met through siphon water supplementing of the two paths of water supplementing pipes of the condenser, the purposes of energy conservation and consumption reduction are achieved, and the operation amount of operators is reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art condenser water make-up device;
FIG. 2 is a schematic diagram showing an arrangement of a water replenishing device for reducing dissolved oxygen in condensed water according to an embodiment of the present utility model;
the condensate water tank 10, the first desalting water pipe 111, the first bypass pipe 112, the first butterfly valve 113, the first pneumatic water replenishing valve 114, the second desalting water pipe 121, the second bypass pipe 122, the second butterfly valve 123, the second pneumatic water replenishing valve 124, the water pipe 13, the condenser 20, the condenser water replenishing pipe 21, the third bypass pipe 211, the first automatic regulating valve 212, the third stop valve 213, the condenser membrane water replenishing pipe 22, the fourth bypass pipe 221, the second automatic regulating valve 222, the fourth stop valve 223, the condensate water replenishing pipe 30, the hot water system return pipe 40, the first stop valve 41, the first butterfly valve 42, the first branch pipe 51, the first condensate water pump 511, the second branch pipe 52, the second condensate water pump 521, the third branch pipe 53, the second stop valve 531, and the check valve 532.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings and the specific embodiments. Wherein like parts are designated by like reference numerals.
Referring to fig. 2, an embodiment of the utility model discloses a water replenishing device for reducing dissolved oxygen in condensed water, which comprises a condensed water replenishing tank 10, a condenser 20, a first desalting water pipe 111, a second desalting water pipe 121, a condenser water replenishing pipe 21 and a condenser membrane water replenishing pipe 22.
The condensate water tank 10 is provided with a first liquid inlet end, a second liquid inlet end, a first liquid outlet end and a second liquid outlet end, the first liquid inlet end of the condensate water tank 10 is connected with a first desalting water pipe 111, a first bypass pipe 112 and a first pneumatic water supplementing valve 114 are arranged on the first desalting water pipe 111, the first pneumatic water supplementing valve 114 is positioned between the liquid inlet end and the liquid outlet end of the first bypass pipe 112, a first butterfly valve 113 is arranged on the first bypass pipe 112, when the first pneumatic water supplementing valve 114 normally operates, the first butterfly valve 113 is in a closed state, when the water level in the condensate water tank 10 is lower than a preset value, the first pneumatic water supplementing valve 114 is automatically opened, when the water level in the condensate water tank 10 is higher than the preset value, the first pneumatic water supplementing valve 114 is automatically closed, when the first pneumatic water supplementing valve 114 fails, the first butterfly valve 113 is opened, and liquid in the first desalting water pipe 111 is input into the condensate water tank 10 through the first bypass pipe 112.
The second liquid inlet end of the condensate water tank 10 is connected with a second desalting water pipe 121, a second bypass pipe 122 and a second pneumatic water replenishing valve 124 are arranged on the second desalting water pipe 121, the second pneumatic water replenishing valve 124 is located between the liquid inlet end and the liquid outlet end of the second bypass pipe 122, and a second butterfly valve 123 is arranged on the second bypass pipe 122, wherein when the second pneumatic water replenishing valve 124 normally operates, the second butterfly valve 123 is in a closed state, when the water level in the condensate water tank 10 is lower than a preset value, the second pneumatic water replenishing valve 124 is automatically opened, when the water level in the condensate water tank 10 is higher than the preset value, the second pneumatic water replenishing valve 124 is automatically closed, when the second pneumatic water replenishing valve 124 fails, the second butterfly valve 123 is opened, and liquid in the second desalting water pipe 121 is input into the condensate water tank 10 through the second bypass pipe 122.
In the embodiment of the utility model, the first desalting water pipe 111 and the second desalting water pipe 121 together supplement water source to the water condensation tank 10, so that the water requirement of the water condensation tank 10 can be effectively met.
As shown in fig. 2, the first liquid outlet end of the coagulation water tank 10 is connected with a water pipe 13; the condenser 20 is provided with a first liquid inlet end and a second liquid inlet end, the first liquid inlet end of the condenser 20 is provided with a condenser water supplementing pipe 21, and the liquid inlet end of the condenser water supplementing pipe 21 is communicated with the liquid outlet end of the water conveying pipe 13 and the liquid outlet end of the first desalting water pipe 111 through control pipelines.
The connection end of the condenser water replenishing pipe 21 and the first desalting water pipe 111 is the same liquid outlet end as the liquid inlet end of the first bypass pipe 112.
In an alternative embodiment of the present utility model, the water heating system further comprises a water heating system return pipe 40, a liquid outlet end of the water heating system return pipe 40 is communicated with a liquid inlet end of the condenser water supplementing pipe 21 through a control pipeline, the water heating system return pipe 40 is provided with a first stop valve 41, the first stop valve 41 is used for controlling the water heating system return pipe 40 to start and stop, and when the water heating system uses condensed water for heating, condensed water working medium recovery can be realized.
Specifically, the control pipeline includes parallelly connected first branch pipe 51, second branch pipe 52 and third branch pipe 53 that set up, the feed liquor end of first branch pipe 51, second branch pipe 52 and third branch pipe 53 all with the play liquid end of raceway 13, go out the liquid end of hot water system back flow 40 and go out the liquid end intercommunication of first desalting water pipe 111, the play liquid end of first branch pipe 51, second branch pipe 52 and third branch pipe 53 all with the feed liquor end intercommunication of condenser moisturizing pipe 21, be equipped with first congeal the moisturizing pump 511 and first control valve on the first branch pipe 51, be equipped with second congeals the moisturizing pump 521 and second control valve on the second branch pipe 52, be equipped with the third control valve on the third branch pipe 53.
The first control valve, the second control valve and the third control valve include a second stop valve 531 and a check valve 532, the check valve 532 is arranged to enable the water pipe 13, the water heating system return pipe 40 and the first desalting water pipe 111 to be conducted to the condenser water supplementing pipe 21, and simultaneously prevent the liquid from flowing backwards when the first condensate supplementing water pump 511 or the second condensate supplementing water pump 521 runs, the first condensate supplementing water pump 511 and the second condensate supplementing water pump 521 are alternatively opened or both closed during daily use, and when the first condensate supplementing water pump 511 and the second condensate supplementing water pump 521 are both closed, the third branch pipe 53 is utilized for siphoning water.
The second liquid inlet end of the condenser 20 is provided with a condenser film type water supplementing pipe 22, the liquid inlet end of the condenser film type water supplementing pipe 22 is communicated with the second liquid outlet end of the condensation water supplementing tank 10, and the condenser film type water supplementing pipe 22 can supplement water to the condenser 20 by utilizing siphon action.
In an alternative embodiment of the present utility model, the condenser water supplementing pipe 21 is provided with a third bypass pipe 211 and a first automatic regulating valve 212, the first automatic regulating valve 212 is located between the liquid inlet end and the liquid outlet end of the third bypass pipe 211, the third bypass pipe 211 is provided with a third stop valve 213, when the first automatic regulating valve 212 is used normally, the third stop valve 213 is closed, and when the first automatic regulating valve 212 fails, the third stop valve 213 is opened.
In an alternative embodiment of the present utility model, the condenser membrane type water supplementing pipe 22 is provided with a fourth bypass pipe 221 and a second automatic regulating valve 222, the second automatic regulating valve 222 is located between the liquid inlet end and the liquid outlet end of the fourth bypass pipe 221, the fourth bypass pipe 221 is provided with a fourth stop valve 223, when the second automatic regulating valve 222 is used normally, the fourth stop valve 223 is closed, and when the second automatic regulating valve 222 fails, the fourth stop valve 223 is opened.
According to the water supplementing device for reducing the dissolved oxygen of the condensed water, the second desalting water pipe 121 is added to the condensed water supplementing tank 10, so that the requirement of the condensed water supplementing tank 10 on water supply can be met, and the problem that the water level of the condensed water supplementing tank is low and the water supplementing quantity of a unit cannot be met is solved.
According to the water supplementing device for reducing the dissolved oxygen of the condensed water, the condenser 20 is provided with the condenser film type water supplementing pipe 22, and the condenser film type water supplementing pipe 22 is communicated with the second liquid outlet end of the condensed water supplementing tank 10, so that desalted water entering the condenser can be fully atomized, uniformly heated and subjected to heat transfer, and then the desalted water is removed, so that the heat exchange condition of the condenser is further improved, and the cold end operation mode is optimized.
According to the water supplementing device for reducing the dissolved oxygen of the condensed water, the condenser 20 is additionally provided with the condenser film type water supplementing pipe 22, the condenser film type water supplementing pipe 22 and the condenser water supplementing pipe 21 are used for supplying liquid to the condenser together, so that the water supplementing quantity of the condenser is greatly increased, the water supplementing safety of a unit is greatly improved, meanwhile, the first condensed water supplementing pump 511 and the second condensed water supplementing pump 521 can be not started, the water supplementing quantity of the unit can be met through siphon water supplementing of the two paths of water supplementing pipes of the condenser 20, the purposes of saving energy and reducing consumption are achieved, and the operation quantity of operators is reduced.
The technical scheme of the utility model is described in detail in the above with reference to the specific embodiments, and the specific embodiments are used for helping to understand the idea of the utility model. Those skilled in the art will appreciate that many modifications and variations are possible in light of the above teaching.
Claims (8)
1. The water replenishing device for reducing the dissolved oxygen of the condensed water is characterized by comprising a condensed water replenishing tank (10), a condenser (20), a first desalting water pipe (111), a second desalting water pipe (121), a condenser water replenishing pipe (21) and a condenser membrane type water replenishing pipe (22);
the first liquid inlet end of the condensate water tank (10) is connected with a first desalting water pipe (111), the second liquid inlet end of the condensate water tank (10) is connected with a second desalting water pipe (121), and the first liquid outlet end of the condensate water tank (10) is connected with a water conveying pipe (13);
the condenser (20) is provided with a first liquid inlet end and a second liquid inlet end, the first liquid inlet end of the condenser (20) is provided with a condenser water supplementing pipe (21), the liquid inlet end of the condenser water supplementing pipe (21) is communicated with the liquid outlet end of the water conveying pipe (13) and the liquid outlet end of the first desalting water pipe (111) through control pipelines, the second liquid inlet end of the condenser (20) is provided with a condenser film type water supplementing pipe (22), and the liquid inlet end of the condenser film type water supplementing pipe (22) is communicated with the second liquid outlet end of the condensing water supplementing tank (10).
2. A water replenishing device for reducing dissolved oxygen in condensed water according to claim 1, further comprising a hot water system return pipe (40), wherein a liquid outlet end of the hot water system return pipe (40) is communicated with a liquid inlet end of a condenser water replenishing pipe (21) through a control pipeline, and the hot water system return pipe (40) is provided with a first stop valve (41).
3. The water replenishing device for reducing dissolved oxygen in condensed water according to claim 2, wherein the control pipeline comprises a first branch pipe (51), a second branch pipe (52) and a third branch pipe (53) which are arranged in parallel, liquid inlet ends of the first branch pipe (51), the second branch pipe (52) and the third branch pipe (53) are communicated with a liquid outlet end of a water pipe (13), a liquid outlet end of a return pipe (40) of a hot water system and a liquid outlet end of a first desalting water pipe (111), liquid outlet ends of the first branch pipe (51), the second branch pipe (52) and the third branch pipe (53) are communicated with a liquid inlet end of a condenser water replenishing pipe (21), a first condensate replenishing water pump (511) and a first control valve are arranged on the first branch pipe (51), a second condensate replenishing water pump (521) and a second control valve are arranged on the second branch pipe (52), and a third control valve is arranged on the third branch pipe (53).
4. A water replenishment device for reducing dissolved oxygen in condensed water as claimed in claim 3, wherein the first, second and third control valves comprise a second shut-off valve (531) and a non-return valve (532).
5. The water replenishing device for reducing dissolved oxygen in condensed water according to claim 4, wherein a first bypass pipe (112) is provided on the first desalting water pipe (111), a first pneumatic water replenishing valve (114) is further provided on the first desalting water pipe (111) and is located between a liquid inlet end and a liquid outlet end of the first bypass pipe (112), and the first bypass pipe (112) is provided with a first butterfly valve (113).
6. The water replenishing device for reducing dissolved oxygen in condensed water according to claim 5, wherein a second bypass pipe (122) is arranged on the second desalting water pipe (121), the second desalting water pipe (121) is provided with a second pneumatic water replenishing valve (124) arranged between a liquid inlet end and a liquid outlet end of the second bypass pipe (122), and the second bypass pipe (122) is provided with a second butterfly valve (123).
7. The water replenishing device for reducing the dissolved oxygen of the condensed water according to claim 1, wherein a third bypass pipe (211) is arranged on the condenser water replenishing pipe (21), the condenser water replenishing pipe (21) is provided with a first automatic regulating valve (212) arranged between a liquid inlet end and a liquid outlet end of the third bypass pipe (211), and a third stop valve (213) is arranged on the third bypass pipe (211).
8. The water replenishing device for reducing the dissolved oxygen of the condensed water according to claim 1, wherein a fourth bypass pipe (221) is arranged on the condenser film type water replenishing pipe (22), the condenser film type water replenishing pipe (22) is provided with a second automatic regulating valve (222) arranged between a liquid inlet end and a liquid outlet end of the fourth bypass pipe (221), and the fourth bypass pipe (221) is provided with a fourth stop valve (223).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320672562.5U CN219757027U (en) | 2023-03-30 | 2023-03-30 | Water supplementing device for reducing dissolved oxygen in condensed water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320672562.5U CN219757027U (en) | 2023-03-30 | 2023-03-30 | Water supplementing device for reducing dissolved oxygen in condensed water |
Publications (1)
Publication Number | Publication Date |
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CN219757027U true CN219757027U (en) | 2023-09-26 |
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Application Number | Title | Priority Date | Filing Date |
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CN202320672562.5U Active CN219757027U (en) | 2023-03-30 | 2023-03-30 | Water supplementing device for reducing dissolved oxygen in condensed water |
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Country | Link |
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CN (1) | CN219757027U (en) |
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2023
- 2023-03-30 CN CN202320672562.5U patent/CN219757027U/en active Active
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