CN221122566U - Waste heat recycling device in geothermal system - Google Patents
Waste heat recycling device in geothermal system Download PDFInfo
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- CN221122566U CN221122566U CN202322474405.6U CN202322474405U CN221122566U CN 221122566 U CN221122566 U CN 221122566U CN 202322474405 U CN202322474405 U CN 202322474405U CN 221122566 U CN221122566 U CN 221122566U
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- geothermal
- air
- waste heat
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- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- 238000004064 recycling Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000010248 power generation Methods 0.000 claims abstract description 18
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 238000001704 evaporation Methods 0.000 claims abstract description 12
- 230000008020 evaporation Effects 0.000 claims abstract description 12
- 239000003595 mist Substances 0.000 claims abstract description 5
- 238000007701 flash-distillation Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of waste heat recovery, and relates to a waste heat recovery and utilization device in a geothermal system. The technical proposal comprises: the spray nozzle comprises a shell, at least one atomizing spray nozzle, at least one air nozzle, at least two receiving plates and a water outlet. Wherein, at least one atomizer sets up in the shell, and at least one atomizer communicates with the drain pipe of condenser. At least one air tap is arranged in the shell, and is communicated with an exhaust pipe of a condenser of the geothermal flash evaporation power generation system, and the at least one air tap is arranged under the at least one atomizing nozzle. The at least two bearing plates are vertically arranged in the shell between the at least one atomizing nozzle and the at least one air nozzle, and the at least two bearing plates are configured to: and receiving the water mist sprayed by the atomizing nozzle, forming a water drop or a water film, and performing heat exchange with low-pressure steam sprayed by the air nozzle. The water outlet is arranged at the lower part of the shell and is communicated with the inside of the shell, and the water outlet is communicated with a recharging well of the geothermal flash evaporation power generation system.
Description
Technical Field
The utility model belongs to the technical field of waste heat recovery, and relates to a waste heat recovery and utilization device in a geothermal system.
Background
Geothermal energy is sustainable and environment-friendly energy, and the geothermal energy reserves of China are rich, so that the geothermal energy is strongly supported.
In the prior art, geothermal energy power generation generally adopts geothermal flash evaporation type power generation, namely, underground high-temperature and high-pressure water generates water vapor in a flash evaporator, and the water vapor generates power through a steam turbine generator.
The steam pushes the steam turbine generator to operate and then enters the condenser for condensation, and partial low-pressure low-temperature steam cannot be condensed. Because the low-pressure low-temperature hot water vapor is difficult to recover heat, the waste heat recovery cost is high, and therefore, the low-pressure low-temperature hot water vapor is basically emptied, and heat waste and water resource waste are caused.
Disclosure of utility model
In order to achieve the technical purpose, the utility model provides a waste heat recycling device in a geothermal system. The waste heat recycling device in the geothermal system is arranged in the geothermal flash evaporation power generation system.
Waste heat recovery utilizes device in geothermal system includes: the spray nozzle comprises a shell, at least one atomizing spray nozzle, at least one air nozzle, at least two receiving plates and a water outlet. Wherein, at least one atomizer set up in the shell, at least one atomizer with the drain pipe intercommunication of condenser. At least one air tap set up in the shell, at least one air tap with the blast pipe intercommunication of geothermal flash power generation system's condenser, at least one air tap set up in under the at least one atomizer. At least two accept the board vertical set up in at least one atomizer with at least one air cock in the shell between, and at least two accept the board and be configured as: and receiving the water mist sprayed by the atomizing nozzle, forming a water drop or a water film, and performing heat exchange with the low-pressure steam sprayed by the air nozzle. The water outlet is arranged at the lower part of the shell and is communicated with the inside of the shell, and the water outlet is communicated with a recharging well of the geothermal flash evaporation power generation system.
Preferably, the at least two bearing plates are arranged in parallel, a gap is arranged between the two adjacent bearing plates, and an atomizing nozzle is uniformly arranged right above the gap.
Preferably, air nozzles are uniformly arranged right below the gaps.
Preferably, the distance between two adjacent bearing plates is 0.5-1.0 cm.
Preferably, an exhaust hole is formed in the upper portion of the shell, and the exhaust hole is communicated with the at least one air tap.
Preferably, a safety relief valve is arranged on a pipeline for communicating the exhaust hole with the at least one air tap.
Preferably, a centrifugal fan is arranged on a pipeline between the safety relief valve and the at least one air tap, an air inlet of the centrifugal fan is communicated with a pipeline close to the safety relief valve, and an air outlet of the centrifugal fan is communicated with a pipeline close to the at least one air tap.
The utility model has the beneficial effects that:
1. The utility model adopts the atomizing nozzle to form a water film on the surface of the bearing plate, and the water film can absorb water vapor and exchange heat. The heat quantity of the low-pressure low-heat-value steam is efficiently recovered, and meanwhile, the water loss in the geothermal flash evaporation power generation system can be reduced.
2. According to the utility model, the water with recovered heat is supplemented to the recharging well, so that the geothermal flash evaporation power generation system can be supplemented with water, and meanwhile, the water temperature entering the recharging well is increased, and the power generation of the geothermal flash evaporation power generation system can be increased.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is an installation diagram of the present utility model in a geothermal flash power generation system;
FIG. 2 is a block diagram of the present utility model;
FIG. 3 is a cross-sectional view of the housing of the present utility model;
Fig. 4 is another construction diagram of the present utility model.
Detailed Description
In order to make the above objects, features and advantages of the present utility model more comprehensible, the following description of the embodiments accompanied with the accompanying drawings will be given in detail. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The utility model is illustrated in detail below by means of specific examples:
Example 1
As shown in fig. 1 to 3, some embodiments of the present utility model provide a waste heat recovery and utilization device in a geothermal system. The waste heat recycling device 1 in the geothermal system is arranged in the geothermal flash evaporation power generation system.
The waste heat recovery and utilization device 1 in the geothermal system comprises: the spray nozzle comprises a shell 11, at least one atomizing spray head 12, at least one air nozzle 13, at least two bearing plates 14 and a water outlet 15. Wherein, at least one atomizer 12 is arranged in the shell 11, and the at least one atomizer 12 is communicated with the drain pipe of the condenser 2. At least one air tap 13 is arranged in the shell 11, the at least one air tap 13 is communicated with an exhaust pipe of the condenser 2 of the geothermal flash evaporation power generation system, and the at least one air tap 13 is arranged under the at least one atomizing nozzle 12. At least two receiving plates 14 are vertically disposed in the housing 11 between the at least one atomizer 12 and the at least one air tap 13, and the at least two receiving plates 14 are configured to: the water mist sprayed by the atomization nozzle 12 is received, a water droplet or a water film is formed, and heat exchange is performed with the low-pressure steam sprayed by the air nozzle 13. The water outlet 15 is arranged at the lower part of the shell 11 and is communicated with the inside of the shell 11, and the water outlet 15 is communicated with the recharging well 3 of the geothermal flash power generation system.
Preferably, the at least two receiving plates 14 are disposed in parallel with two adjacent receiving plates 14, a gap H is disposed between the two adjacent receiving plates 14, and the atomizing nozzle 12 is uniformly disposed right above the gap H.
Preferably, air nozzles 13 are uniformly arranged right below the gap H.
Preferably, the distance between two adjacent receiving plates 14 is 0.5-1.0 cm.
In some examples, the housing 11 may be a square housing, and to improve the heat insulation performance, a heat insulation layer may be provided on the outer wall of the housing 11. A water outlet 15 is arranged on the lower end surface of the shell 11, an exhaust hole 16 is arranged on the upper end surface of the shell 11, and at least one atomizing nozzle 12, at least two bearing plates 14 and at least one air tap 13 are sequentially arranged in the shell 11 from top to bottom.
For example, the upper end surface and the lower end surface of the housing 11 are rectangular, at least two receiving plates 14 are fixed to inner walls of two sides of the housing 11, the plane of the receiving plates 14 is perpendicular to the extending direction of the long side of the rectangle, and the distance between two adjacent receiving plates 14 may be 0.5cm, 0.7cm or 1.0cm. One or two rows of atomizing nozzles 12 are arranged at the upper part of the gap H between two adjacent receiving plates 14, wherein one or two rows of atomizing nozzles 12 means that a plurality of atomizing nozzles 12 are arranged along the direction of the plane of the receiving plates 14. The mist sprayed from the atomizing head 12 travels in the gap H and forms a water droplet or a water film on the surface of the receiving plate 14.
An air tap 13 is arranged under each gap H, a plurality of air taps 13 can be arranged in one row or two rows, and water vapor sprayed by the air tap 13 is positioned between the two corresponding bearing plates 14.
The water vapor moves upwards between the two bearing plates 14 to exchange heat with the atomized water, the water drops and the water film, and meanwhile, the water vapor is fused into the atomized water, the water drops and the water film, so that the heat of the water vapor can be fully absorbed, and part of the water vapor can be recovered.
It is understood that the pipeline communicated with the drain pipe of the steam condenser 2 penetrates through the side wall of the shell 11 to be communicated with the atomizing nozzle 12, and the pipeline communicated with the exhaust pipe of the steam condenser 2 penetrates through the side wall of the shell 11 to be communicated with the air tap 13.
The upper part of the shell 11 is provided with an exhaust hole 16, and the exhaust hole 16 can timely exhaust the water vapor which is not fused with atomized water, water drops and a water film out of the shell 11, so that the normal pressure in the shell 11 can be ensured.
To ensure that water flowing out of the drain 15 can enter the recharging well 3, a one-way valve or a water pump may be provided on the line between the drain 15 and the recharging well 3.
Example 2
On the basis of embodiment 1, as shown in fig. 4, the exhaust hole 16 of the waste heat recycling device 1 in the geothermal system according to this embodiment is communicated with at least one air tap 13.
Preferably, a safety relief valve 17 is arranged on a pipeline of the exhaust hole 16 communicated with the at least one air tap 13.
Preferably, a centrifugal fan 18 is arranged on a pipeline between the safety relief valve 17 and the at least one air tap 13, an air inlet of the centrifugal fan 18 is communicated with a pipeline close to the safety relief valve 17, and an air outlet of the centrifugal fan 18 is communicated with a pipeline close to the at least one air tap 13.
In some examples, to improve the utilization efficiency of the water vapor, the water vapor that is not atomized in time, the water droplets, and the water film may be further utilized, that is, the water vapor that is not atomized in time, the water droplets, and the water film is further heat exchanged in the housing 11 after being redirected to the air tap 13.
In order to ensure that the air pressure in the shell 11 is normal, a safety relief valve 17 can be arranged on a pipeline of the exhaust hole 16 communicated with the at least one air tap 13, and when the air pressure in the shell 11 is overlarge, the safety relief valve 17 can be used for evacuating, so that the air pressure in the shell 11 is not overlarge.
In addition, a centrifugal fan 18 is arranged on a pipeline between the safety relief valve 17 and the at least one air tap 13, and the centrifugal fan 18 can drive water vapor to complete circulation, so that the water vapor discharged from the exhaust pipe of the condenser 2 is prevented from flowing back to the upper part outside.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a waste heat recovery utilizes device in geothermal system, sets up in geothermal flash distillation power generation system, its characterized in that, waste heat recovery utilizes device in geothermal system includes:
a housing;
the at least one atomizing nozzle is arranged in the shell and is communicated with a drain pipe of the condenser;
The at least one air tap is arranged in the shell and is communicated with an exhaust pipe of a condenser of the geothermal flash evaporation power generation system, and the at least one air tap is arranged under the at least one atomizing nozzle;
At least two accept the board, vertically set up in at least one atomizer with in the shell between the at least one air cock, and at least two accept the board and be configured as: receiving the water mist sprayed by the atomizing nozzle, forming water drops or water films, and performing heat exchange with low-pressure steam sprayed by the air nozzle;
The water outlet is arranged at the lower part of the shell and is communicated with the inside of the shell, and the water outlet is communicated with a recharging well of the geothermal flash evaporation power generation system.
2. The waste heat recycling device in a geothermal system according to claim 1, wherein at least two of the receiving plates are arranged in parallel, a gap is arranged between two adjacent receiving plates, and atomizing nozzles are uniformly arranged right above the gap.
3. The waste heat recovery and utilization device in a geothermal system according to claim 2, wherein air nozzles are uniformly arranged under the gaps.
4. The waste heat recycling device in a geothermal system according to claim 2, wherein a distance between two adjacent receiving plates is 0.5-1.0 cm.
5. The waste heat recovery and utilization device of a geothermal system according to claim 2, wherein the upper portion of the housing is provided with a vent hole, and the vent hole is communicated with the at least one air tap.
6. The waste heat recovery and utilization device of a geothermal system according to claim 5, wherein a safety relief valve is provided on a pipeline through which the exhaust hole communicates with the at least one air tap.
7. The device for recovering and utilizing waste heat in a geothermal system according to claim 6, wherein a centrifugal fan is arranged on a pipeline between the safety relief valve and the at least one air tap, an air inlet of the centrifugal fan is communicated with a pipeline close to the safety relief valve, and an air outlet of the centrifugal fan is communicated with a pipeline close to the at least one air tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322474405.6U CN221122566U (en) | 2023-09-12 | 2023-09-12 | Waste heat recycling device in geothermal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322474405.6U CN221122566U (en) | 2023-09-12 | 2023-09-12 | Waste heat recycling device in geothermal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221122566U true CN221122566U (en) | 2024-06-11 |
Family
ID=91367160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322474405.6U Active CN221122566U (en) | 2023-09-12 | 2023-09-12 | Waste heat recycling device in geothermal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221122566U (en) |
-
2023
- 2023-09-12 CN CN202322474405.6U patent/CN221122566U/en active Active
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