CN219735428U - Flue gas waste heat utilization device - Google Patents
Flue gas waste heat utilization device Download PDFInfo
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- CN219735428U CN219735428U CN202320413329.5U CN202320413329U CN219735428U CN 219735428 U CN219735428 U CN 219735428U CN 202320413329 U CN202320413329 U CN 202320413329U CN 219735428 U CN219735428 U CN 219735428U
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- pipeline
- heating
- waste heat
- flue gas
- utilization device
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- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000003546 flue gas Substances 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000005485 electric heating Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000013535 sea water Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model relates to the technical field of power station waste heat recovery, in particular to a flue gas waste heat utilization device, which comprises a power station boiler, a filtering mechanism, a heating mechanism and a control mechanism, wherein the power station boiler is connected with a steam turbine through a pipeline, and the steam turbine is connected with the filtering mechanism through a pipeline; the filter mechanism further comprises: a filter screen set and a cyclone separator; the heating mechanism further includes: a temperature sensor and an electric heating tube; the control mechanism further includes: the system comprises a signal receiver, an A/D converter and a central processing unit. The utility model overcomes the defects of the prior art, the filter mechanism is arranged, the steam is primarily filtered through the filter screen group in the filter mechanism, and the secondary filtration is performed through the cyclone separator, so that the pipeline is not easy to be blocked during the subsequent steam conveying, and the device is provided with the heating mechanism and the control mechanism, so that the temperature control can be performed according to the actual requirement when the ground heating mechanism supplies heat, and the heating liquid is conveyed to the ground heating mechanism after being heated to the designated temperature through the heating mechanism.
Description
Technical Field
The utility model relates to the technical field of power station waste heat recovery, in particular to a flue gas waste heat utilization device.
Background
The heat power station generally adopts a mode of extracting seawater and utilizing the seawater to perform heat exchange to cool the generator set, and then the seawater is discharged into the sea after cold energy is extracted, and at present, a boiler heating mode is mostly adopted to provide heat energy, so that a large amount of energy is consumed, and environmental pollution is unavoidably generated. This problem is particularly prominent in northern areas of China, especially in winter, and full use of resources is required to be realized by waste heat recovery and utilization nowadays.
The heat pump waste heat recovery system (CN 204738848U) can be referred to in the prior art, the heat pump is used for carrying out heat absorption transmission after liquefying steam of a steam turbine in the reference, but thermal power generation is usually carried out by burning coal, the generated steam of a power station boiler often accompanies a large amount of impurities, if the generated steam is directly used for heating, a subsequent pipeline is easily blocked, meanwhile, if the impurities are more, the resistance of water can be increased in a ground heating pipe to improve heating consumption, and the heat is directly conveyed to a heating station after the reference is subjected to heat exchange, although the heat supply can be met to a certain extent, the heat needs to be regulated to a proper temperature in the ground heating system, and the heat waste heat utilization device possibly has a certain difference with the required temperature of the ground heating system in the ground heating system, so that the smoke waste heat utilization device with a filtering function and capable of carrying out temperature regulation is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a flue gas waste heat utilization device, which aims to solve the problems that in the prior art, the generated steam is directly used for heating, the subsequent pipeline is easy to be blocked, meanwhile, if more impurities exist in a floor heating pipe, the resistance of water is increased, the heating consumption is increased, and a certain difference exists between the generated steam and the required temperature of the floor heating system in the floor heating system.
In order to solve the technical problems, the utility model provides the following technical scheme:
the flue gas waste heat utilization device comprises a power station boiler, a filtering mechanism, a heating mechanism and a control mechanism, wherein the power station boiler is connected with a steam turbine through a pipeline, and the steam turbine is connected with the filtering mechanism through a pipeline; the filter mechanism further comprises: a filter screen set and a cyclone separator; the heating mechanism further includes: a temperature sensor and an electric heating tube; the control mechanism further includes: the system comprises a signal receiver, an A/D converter and a central processing unit.
Preferably, one end of the steam turbine is connected with a generator through a coupling.
Preferably, the steam turbine transmits the high-pressure steam to a filter screen set of the filter mechanism through a pipeline, and the filter screen set is connected with an air inlet of the cyclone separator through a pipeline.
Preferably, the cyclone separator is connected with a compressor through a pipeline, the compressor is connected with a heat pump through a pipeline, and the heat pump is connected with a heat exchange mechanism through a pipeline.
Preferably, the heat exchange mechanism is connected with a water supply mechanism through a pipeline, the water supply mechanism is internally provided with a water pump, the water supply mechanism is connected with a heating mechanism through a pipeline, the heating mechanism is internally provided with a water pump, and the heating mechanism is connected with a floor heating mechanism through a pipeline.
Preferably, the central processing unit of the control mechanism is electrically connected with the electric heating pipe, and the temperature sensor of the heating mechanism is in signal connection with the signal receiver of the control mechanism.
The embodiment of the utility model provides a flue gas waste heat utilization device, which has the following beneficial effects: the utility model overcomes the defects of the prior art, the filter mechanism is arranged, the steam is primarily filtered through the filter screen group in the filter mechanism, and the secondary filtration is performed through the cyclone separator, so that the pipeline is not easy to be blocked during the subsequent steam conveying, and the device is provided with the heating mechanism and the control mechanism, so that the temperature control can be performed according to the actual requirement when the ground heating mechanism supplies heat, and the heating liquid is conveyed to the ground heating mechanism after being heated to the designated temperature through the heating mechanism.
1. Through setting up filtering mechanism, be provided with filtering mechanism in this waste heat recovery system, the steam of steam turbine can filter through filtering mechanism at first, and filtering mechanism carries out prefiltering through filtering the group including filter screen group and cyclone, carries out gas-solid separation through cyclone and accomplishes secondary filtration, reduces the impurity in the steam and makes follow-up pipeline be difficult to take place to block up.
2. Through setting up heating mechanism and control mechanism, for providing heat for water supply mechanism after the steam heat transfer, but heating mechanism real-time detection water temperature preset the temperature through control mechanism and make heating mechanism heat the temperature to suitable temperature to reach the in-service use demand of ground heating mechanism.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a heating control flow diagram of the present utility model;
FIG. 3 is a schematic diagram of the control mechanism of the present utility model;
FIG. 4 is a schematic view of the structure of the filtering mechanism of the present utility model.
In the figure: 1. a power station boiler; 2. a steam turbine; 3. a generator; 4. a filtering mechanism; 401. a filter screen set; 402. a cyclone separator; 5. a compressor; 6. a heat pump; 7. a heat exchange mechanism; 8. a water supply mechanism; 9. a heating mechanism; 901. a temperature sensor; 902. an electric heating tube; 10. a control mechanism; 1011. a signal receiver; 1012. an A/D converter; 1013. a central processing unit; 11. and a floor heating mechanism.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in FIG. 1, a flue gas waste heat utilization device comprises a power station boiler 1, the power station boiler 1 generates heat energy through a coal burning mode, the power station boiler 1 guides steam into a steam turbine 2 through a pipeline to complete conversion of heat energy and mechanical energy, the steam turbine 2 is connected with a generator 3 through a coupler to realize conversion of mechanical energy and electric energy, a high-pressure steam part generated in the steam turbine 2 can enter a filtering mechanism 4, the filtering mechanism 4 filters steam, the steam is compressed and liquefied through a compressor 5, heat released by the liquefaction is absorbed and transmitted through a heat pump 6, the heat is transmitted to a water supply mechanism 8 through a heat exchange mechanism 7, after water temperature rises, the water temperature is pumped into a heating mechanism 9 through a water pump, the heating temperature is preset through a control mechanism 10, so that the water temperature reaches the requirement of a ground heating mechanism 11, and the water temperature is pumped into the ground heating mechanism 11 for heating when the heating mechanism 9 is heated to the required temperature.
As shown in fig. 2, the heating mechanism 9 includes a temperature sensor 901 and an electric heating tube 902, the temperature sensor 901 monitors the water temperature after heat exchange in real time, and when the water temperature reaches the preset temperature of the control mechanism 10, the control mechanism 10 terminates the operation of the electric heating tube 902.
As shown in fig. 3, the control mechanism 10 includes a signal receiver 1011, an a/D converter 1012 and a central processing unit 1013, the temperature sensor 901 transmits a signal to the signal receiver 1011, the signal receiver 1011 transmits temperature information to the a/D converter 1012 for analog-to-digital conversion, and then the temperature information is transmitted to the central processing unit 1013, and the central processing unit 1013 compares the signal with preset data and controls the electric heating tube 902 to operate until a desired temperature is reached.
As shown in fig. 4, the filtering mechanism 4 comprises a filter screen group 401 and a cyclone separator 402, the filter screen group 401 performs primary filtration on steam, and the cyclone separator 402 performs gas-solid separation to complete secondary filtration.
Working principle: the waste heat recovery system is provided with a filtering mechanism, the filtering mechanism 4 comprises a filtering net group 401 and a cyclone separator 402, the filtering net group 401 carries out preliminary filtration on steam, the cyclone separator 402 carries out gas-solid separation to complete secondary filtration, impurities in the steam are reduced to ensure that a follow-up pipeline is not easy to be blocked, the steam is compressed and liquefied by a compressor 5, heat released by the liquefaction is absorbed and transmitted by a heat pump 6, the heat is transmitted to a water supply mechanism 8 by a heat exchange mechanism 7, the water temperature is pumped into a heating mechanism 9 by a water pump after rising, the heating temperature is preset by a control mechanism 10 to ensure that the water temperature reaches the requirement of a ground heating mechanism 11, the water pump is used for pumping into the ground heating mechanism 11 for heating when the heating mechanism 9 is heated to the required temperature, the heating mechanism 9 comprises a temperature sensor 901 and an electric heating tube 902, the temperature sensor 901 monitors the water temperature after heat exchange in real time, when the water temperature reaches the preset temperature of the control mechanism 10, the control mechanism 10 stops the electric heating tube 902, the control mechanism 10 comprises a signal receiver 1011, an A/D converter 1012 and a central processing unit 1013, the temperature sensor 901 transmits signals to the signal receiver 1011, the signal receiver 1011 transmits temperature information to the A/D converter 1012 for analog-digital conversion, and then the temperature information is transmitted to the central processing unit 1013, and the central processing unit 1013 compares the signals with preset data and controls the electric heating tube 902 to operate so as to meet the actual use requirement of the floor heating mechanism.
Claims (6)
1. A flue gas waste heat utilization device, comprising:
the device comprises a power station boiler (1), a filtering mechanism (4), a heating mechanism (9) and a control mechanism (10), wherein the power station boiler (1) is connected with a steam turbine (2) through a pipeline, and the steam turbine (2) is connected with the filtering mechanism (4) through a pipeline;
the filtering mechanism (4) further comprises: a filter screen set (401) and a cyclone separator (402);
the heating mechanism (9) further comprises: a temperature sensor (901) and an electric heating tube (902);
the control mechanism (10) further comprises: a signal receiver (1011), an A/D converter (1012) and a central processor (1013).
2. The flue gas waste heat utilization device according to claim 1, wherein one end of the steam turbine (2) is connected with a generator (3) through a coupling.
3. The flue gas waste heat utilization device according to claim 1, wherein the steam turbine (2) delivers high-pressure steam to a filter screen set (401) of the filter mechanism (4) through a pipeline, and the filter screen set (401) is connected with an air inlet of the cyclone separator (402) through a pipeline.
4. The flue gas waste heat utilization device according to claim 1, wherein the cyclone separator (402) is connected with a compressor (5) through a pipeline, the compressor (5) is connected with a heat pump (6) through a pipeline, and the heat pump (6) is connected with a heat exchange mechanism (7) through a pipeline.
5. The flue gas waste heat utilization device according to claim 4, wherein the heat exchange mechanism (7) is connected with a water supply mechanism (8) through a pipeline, a water pump is arranged in the water supply mechanism (8), the water supply mechanism (8) is connected with a heating mechanism (9) through a pipeline, the heating mechanism (9) is internally provided with the water pump, and the heating mechanism (9) is connected with a floor heating mechanism (11) through a pipeline.
6. The flue gas waste heat utilization device according to claim 1, wherein the central processing unit (1013) of the control mechanism (10) is electrically connected with the electric heating pipe (902), and the temperature sensor (901) of the heating mechanism (9) is in signal connection with the signal receiver (1011) of the control mechanism (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320413329.5U CN219735428U (en) | 2023-03-06 | 2023-03-06 | Flue gas waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320413329.5U CN219735428U (en) | 2023-03-06 | 2023-03-06 | Flue gas waste heat utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219735428U true CN219735428U (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320413329.5U Active CN219735428U (en) | 2023-03-06 | 2023-03-06 | Flue gas waste heat utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219735428U (en) |
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2023
- 2023-03-06 CN CN202320413329.5U patent/CN219735428U/en active Active
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