CN219414954U - Bypass device for preventing middle deep central tube from deforming - Google Patents
Bypass device for preventing middle deep central tube from deforming Download PDFInfo
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- CN219414954U CN219414954U CN202223484907.9U CN202223484907U CN219414954U CN 219414954 U CN219414954 U CN 219414954U CN 202223484907 U CN202223484907 U CN 202223484907U CN 219414954 U CN219414954 U CN 219414954U
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Abstract
The utility model belongs to the technical field of middle-deep geothermal energy application, in particular to a bypass device for preventing a middle-deep central tube from deforming, which comprises an outlet pipeline electromagnetic valve, wherein one side of the outlet pipeline electromagnetic valve is provided with an outlet water temperature sensor, the other side of the outlet pipeline electromagnetic valve is provided with a water pump, the other side of the outlet water temperature sensor is provided with an outlet water pipeline expansion joint, the end part of the outlet water pipeline expansion joint is movably connected with a water outlet water pipeline, one side of the water outlet water pipeline is provided with a water inlet pipeline, and the top of the water inlet pipeline is provided with a water inlet temperature sensor; the bypass device reduces the water temperature exceeding the water temperature of the central pipeline in the initial stage of heating season, protects the central pipe from deformation caused by overhigh water temperature, and automatically switches back to normal water outlet and return of the system after the water temperature is reduced to normal water temperature through monitoring of remote temperature, so that the bypass device protects the deformation of the central pipeline on the premise of not affecting the heat supply efficiency.
Description
Technical Field
The utility model relates to the technical field of application of middle-deep geothermal energy, in particular to a bypass device for preventing a middle-deep central tube from deforming.
Background
At present, coaxial sleeve heat exchange is commonly adopted in medium-deep non-interference heat supply projects. The heat exchange medium is a closed water circulation, so that the sustainable utilization of geothermal resources is realized by taking heat without taking water, and the problem of corrosion of a pipe network and the tail end is solved by the closed medium water circulation system. In the application technology of the middle-deep geothermal heat, the coaxial sleeve buried pipe type is used as the main material, the manufacturing mode, the structure and the materials are different, and most of the use of HDPE pipes as the inner pipe for heat exchange.
In the prior middle-deep non-interference geothermal energy heating system, the water temperature at the bottom of the coaxial pipe is heated for two months at the initial stage of each heating season, the top pressure of the central pipe is large, and the water temperature of the water discharged from the central pipe exceeds the bearing range of the HDPE inner pipe, so that the HDPE inner pipe is softened and deformed.
Therefore, a bypass device for preventing deformation of the middle-deep central tube has been proposed to solve the above-mentioned problems.
Disclosure of Invention
In order to make up the defects of the prior art, the problems that in the prior middle-deep non-interference geothermal energy heating system, the temperature of the bottom of the coaxial pipe is heated for more than two months in the initial stage of each heating season, the top pressure of the central pipe is large, the water temperature of the water discharged from the central pipe exceeds the bearing range of the HDPE inner pipe, and the HDPE inner pipe is softened and deformed are solved.
The technical scheme adopted for solving the technical problems is as follows: the bypass device for preventing the middle-deep central tube from deforming comprises an outlet pipeline electromagnetic valve, wherein an outlet water temperature sensor is arranged on one side of the outlet pipeline electromagnetic valve, a water pump is arranged on the other side of the outlet pipeline electromagnetic valve, an outlet water pipeline expansion joint is arranged on the other side of the outlet water temperature sensor, a water outlet water pipeline is movably connected to the end part of the outlet water pipeline expansion joint, a water inflow pipeline is arranged on one side of the water outlet water pipeline, an inlet water temperature sensor is arranged at the top of the water inflow pipeline, an inlet water pipeline electromagnetic valve is arranged on one side of the inlet water temperature sensor, an inlet water pipeline expansion joint is arranged on the other side of the inlet water temperature sensor, an outlet pipeline bypass electromagnetic valve is arranged on one side of the top of the inlet water pipeline electromagnetic valve, and an inlet water pipeline bypass electromagnetic valve is arranged on the other side of the outlet water pipeline bypass electromagnetic valve.
Preferably, the water outlet pipeline side electromagnetic valve, the water inlet pipeline side electromagnetic valve and the water outlet pipeline electromagnetic valve are remotely controllable electric valves.
Preferably, a water outlet temperature sensor is arranged on a water outlet pipeline of the central pipe, so that the water outlet temperature in the central pipe of the coaxial heat exchanger can be monitored in real time.
Preferably, a water inlet temperature sensor is arranged on a water inlet pipeline of the outer wall of the central tube, so that the temperature of backwater outside the central tube of the coaxial heat exchanger can be monitored in real time.
Preferably, the water inlet pipeline and the water outlet pipeline form a communication structure, the water inlet pipeline is connected with the outer side of the central pipe of the coaxial heat exchanger, and the water outlet pipeline is connected with the inner side of the central pipe of the coaxial heat exchanger.
Preferably, the water pump is linked with the water outlet pipeline side electromagnetic valve, the water inlet pipeline electromagnetic valve and the water outlet pipeline electromagnetic valve, and the water pump is stopped firstly and then the bypass electromagnetic valve is switched when the bypass valve is switched.
The utility model has the advantages that:
1. the utility model has simple structure, and realizes remote automatic switching through monitoring the water temperature;
2. the bypass electromagnetic valve automatically closes the water pump when switching, thereby playing a role in protecting the electromagnetic valve;
3. the bypass device reduces the water temperature exceeding the water temperature of the central pipeline in the initial stage of heating season, protects the central pipe from deformation caused by overhigh water temperature, and automatically switches back to normal water outlet and return of the system after the water temperature is reduced to normal water temperature through monitoring of remote temperature, so that the bypass device protects the deformation of the central pipeline on the premise of not affecting the heat supply efficiency.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of the whole front view of the present utility model;
FIG. 2 is a schematic perspective view of the whole rear view of the present utility model;
FIG. 3 is a schematic perspective view of the whole side view of the present utility model;
fig. 4 is a schematic perspective view of the whole top view of the present utility model.
In the figure: 1. a water outlet pipeline electromagnetic valve; 2. a water inlet pipeline electromagnetic valve; 3. a water outlet pipeline side electric valve; 4. a bypass solenoid valve of the water inlet pipeline; 5. a water outlet temperature sensor; 6. a water inlet temperature sensor; 7. a water outlet pipeline expansion joint; 8. a water inlet pipeline expansion joint; 9. a water pump; 10. a water inflow pipeline; 11. the water flows out of the water pipeline.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Example 1
Referring to fig. 1 to 4, the bypass device for preventing the middle-deep central tube from being deformed comprises a water outlet pipeline electromagnetic valve 1, wherein a water outlet temperature sensor 5 is installed on one side of the water outlet pipeline electromagnetic valve 1, a water pump 9 is installed on the other side of the water outlet pipeline electromagnetic valve 1, a water outlet pipeline expansion joint 7 is installed on the other side of the water outlet temperature sensor 5, a water outlet pipeline 11 is movably connected to the end part of the water outlet pipeline expansion joint 7, a water inlet pipeline 10 is arranged on one side of the water outlet pipeline 11, a water inlet temperature sensor 6 is installed on the top of the water inlet pipeline 10, a water inlet pipeline electromagnetic valve 2 is installed on one side of the water inlet temperature sensor 6, a water inlet pipeline expansion joint 8 is installed on the other side of the water inlet pipeline electromagnetic valve 6, a water outlet pipeline bypass electromagnetic valve 3 is installed on one side of the top of the water inlet pipeline electromagnetic valve 2, and a water inlet pipeline bypass electromagnetic valve 4 is installed on the other side of the water outlet pipeline bypass electromagnetic valve 3.
The water outlet pipeline side electromagnetic valve 3, the water inlet pipeline side electromagnetic valve 4, the water inlet pipeline electromagnetic valve 2 and the water outlet pipeline electromagnetic valve 1 are remotely controllable electric valves; by utilizing the water inlet pipeline bypass electromagnetic valve 4 and the water outlet pipeline bypass electromagnetic valve 3, at the initial stage of heating, the water inlet pipeline bypass electromagnetic valve 2 and the water outlet pipeline electromagnetic valve 1 are closed, the water inlet pipeline bypass electromagnetic valve 4 and the water outlet pipeline bypass electromagnetic valve 3 are opened, the water inlet direction in the concentric pipes is converted into the water outlet direction, the water outlet direction outside the concentric pipes is converted into the water inlet direction, the softening and the deformation of the central pipe are effectively avoided, and the service life of the middle-deep coaxial heat exchange pipe is prolonged.
The outlet water temperature sensor 5 is arranged on the central pipe water outlet pipeline 11, so that the outlet water temperature in the central pipe of the coaxial heat exchanger can be monitored in real time; the water inlet and outlet temperature of the concentric shaft heat exchange well is monitored in real time through the water outlet temperature sensor 5, and when the fact that the water temperature of the central tube is too high is detected, the bypass electromagnetic valve is switched, so that the central tube is prevented from softening and deforming.
The water inflow pipeline 10 on the outer wall of the central tube is provided with the water inflow temperature sensor 6 which can monitor the temperature of backwater outside the central tube of the coaxial heat exchanger in real time; the water inlet temperature sensor 6 is used for monitoring the water inlet temperature and the water outlet temperature of the concentric shaft heat exchange well in real time, and when the fact that the water temperature of the central tube is too high is detected, the bypass electromagnetic valve is switched, so that the central tube is prevented from softening and deforming.
The water inflow pipeline 10 and the water outflow pipeline 11 form a communication structure, the water inflow pipeline 10 is connected with the outer side of the central pipe of the coaxial heat exchanger, and the water outflow pipeline 11 is connected with the inner side of the central pipe of the coaxial heat exchanger; through the setting of outlet pipe telescopic joint 7 and inlet pipe telescopic joint 8, outlet pipe telescopic joint 7 links to each other with water outflow pipeline 11, and inlet pipe telescopic joint 8 links to each other with rivers inlet pipe 10, and reducible solenoid valve switches the vibrations when back water pump 9 opens to reduce the flow frictional resistance of rivers, avoid the pipeline to warp.
The water pump 9 is linked with the water outlet pipeline side electromagnetic valve 3, the water inlet pipeline side electromagnetic valve 4, the water inlet pipeline electromagnetic valve 2 and the water outlet pipeline electromagnetic valve 1, and when the bypass valve is switched, the water pump 9 is stopped firstly and then the bypass electromagnetic valve is switched; the bypass solenoid valve is switched to automatically close the water pump 9, so that the solenoid valve is protected.
Working principle: firstly, a water inlet pipeline bypass electromagnetic valve 4 and a water outlet pipeline bypass electromagnetic valve 3 are utilized, at the initial stage of heating, a water inlet pipeline electromagnetic valve 2 and a water outlet pipeline electromagnetic valve 1 are closed, the water inlet pipeline bypass electromagnetic valve 4 and the water outlet pipeline bypass electromagnetic valve 3 are opened, the water inlet direction in a concentric pipe is converted into the water outlet direction, the water outlet direction outside the concentric pipe is converted into the water inlet direction, the softening and the deformation of a central pipe are effectively avoided, the service life of a middle-deep coaxial heat exchange pipe is prolonged, meanwhile, the water inlet temperature and the water outlet temperature of a concentric shaft heat exchange well are monitored in real time through a water inlet temperature sensor 6 and a water outlet temperature sensor 5, and when the water temperature of the central pipe is detected to be too high, a bypass electromagnetic valve is switched, so that the softening and the deformation of the central pipe are avoided;
then, the water pump 9 stops the water pump 9 before switching the bypass valve, the water pump 9 is opened after the electromagnetic valve is switched, meanwhile, the water outlet pipeline expansion joint 7 is connected with the water outlet pipeline expansion joint 8 through the arrangement of the water outlet pipeline expansion joint 7 and the water outlet pipeline 11, the water inlet pipeline expansion joint 8 is connected with the water inlet pipeline 10, vibration when the water pump 9 is opened after the electromagnetic valve is switched can be reduced, thereby reducing flow friction resistance of water flow, avoiding pipeline deformation, and simultaneously, the water inlet pipeline electromagnetic valve 2 and the water outlet pipeline electromagnetic valve 1 are opened during normal heating without interference of middle-deep geothermal heat, and the water inlet pipeline electromagnetic valve 2 and the water outlet pipeline electromagnetic valve 1 are closed during primary heating each year or when water temperature is higher, and the water outlet pipeline bypass electromagnetic valve 3 and the water inlet pipeline bypass electromagnetic valve 4 are opened.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. Bypass device for preventing middle deep central tube from deforming, which is characterized in that: including water outlet pipeline solenoid valve (1), water outlet temperature sensor (5) are installed to one side of water outlet pipeline solenoid valve (1), and water pump (9) are installed to the opposite side of water outlet pipeline solenoid valve (1), water outlet pipeline telescopic joint (7) are installed to the opposite side of water outlet temperature sensor (5), and the tip swing joint of water outlet pipeline telescopic joint (7) has water outlet pipeline (11), one side of water outlet pipeline (11) is provided with rivers water inlet pipeline (10), and water inlet temperature sensor (6) are installed at the top of rivers water inlet pipeline (10), water inlet pipeline solenoid valve (2) are installed to one side of intaking temperature sensor (6), and water inlet pipeline telescopic joint (8) are installed to the opposite side of intaking temperature sensor (6), water inlet pipeline bypass solenoid valve (4) are installed on one side of the top of water inlet pipeline solenoid valve (2), and the opposite side of water outlet pipeline bypass solenoid valve (3).
2. The bypass device for preventing deformation of a center tube of a deep middle layer according to claim 1, wherein: the water outlet pipeline side electric valve (3), the water inlet pipeline side electric valve (4), the water inlet pipeline electromagnetic valve (2) and the water outlet pipeline electromagnetic valve (1) are remotely controllable electric valves.
3. The bypass device for preventing deformation of a center tube of a deep middle layer according to claim 1, wherein: the water outlet temperature sensor (5) is arranged on the water outlet pipeline (11) of the central tube, so that the water outlet temperature in the central tube of the coaxial heat exchanger can be monitored in real time.
4. The bypass device for preventing deformation of a center tube of a deep middle layer according to claim 1, wherein: the water inlet temperature sensor (6) is arranged on the water inlet pipeline (10) of the outer wall of the central tube, so that the backwater temperature outside the central tube of the coaxial heat exchanger can be monitored in real time.
5. The bypass device for preventing deformation of a center tube of a deep middle layer according to claim 1, wherein: the water inflow pipeline (10) and the water outflow pipeline (11) form a communication structure, the water inflow pipeline (10) is connected with the outer side of the central tube of the coaxial heat exchanger, and the water outflow pipeline (11) is connected with the inner side of the central tube of the coaxial heat exchanger.
6. The bypass device for preventing deformation of a center tube of a deep middle layer according to claim 1, wherein: the water pump (9) is in linkage with the water outlet pipeline side electromagnetic valve (3), and the water inlet pipeline side electromagnetic valve (4), the water inlet pipeline electromagnetic valve (2) and the water outlet pipeline electromagnetic valve (1) can be operated, so that the water pump (9) is stopped firstly when the bypass valve is switched, and then the bypass electromagnetic valve is switched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484907.9U CN219414954U (en) | 2022-12-26 | 2022-12-26 | Bypass device for preventing middle deep central tube from deforming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223484907.9U CN219414954U (en) | 2022-12-26 | 2022-12-26 | Bypass device for preventing middle deep central tube from deforming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219414954U true CN219414954U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223484907.9U Active CN219414954U (en) | 2022-12-26 | 2022-12-26 | Bypass device for preventing middle deep central tube from deforming |
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| CN (1) | CN219414954U (en) |
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2022
- 2022-12-26 CN CN202223484907.9U patent/CN219414954U/en active Active
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