CN218479255U - Secondary water supply pump house economizer - Google Patents
Secondary water supply pump house economizer Download PDFInfo
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- CN218479255U CN218479255U CN202222613847.XU CN202222613847U CN218479255U CN 218479255 U CN218479255 U CN 218479255U CN 202222613847 U CN202222613847 U CN 202222613847U CN 218479255 U CN218479255 U CN 218479255U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The utility model discloses a secondary water supply pump house economizer overcomes among the prior art secondary water supply system and intakes the complete loss of normal water pressure in the water tank water supply process, can't utilize, the problem that economic nature is low, include the pipeline formula power generation facility with municipal water piping connection, pipeline formula power generation facility is connected with the water tank, is incorporated into the power networks device and controller, the water tank is connected with the user side, it is connected with pump house consumer to be incorporated into the power networks the device, the controller still is connected with the device that is incorporated into the power networks. The water tank water inlet pipeline differential pressure energy is fully utilized, the water flow in the pipeline is utilized to drive the pipeline type power generation device, and the pipeline type power generation device is directly used for a pump room unit without an energy storage device, so that energy conservation is realized.
Description
Technical Field
The utility model relates to a secondary water supply equipment technical field, in particular to secondary water supply pump house economizer.
Background
Water is an essential part in our lives, and the urban water supply quality directly influences the physical health of people. In the process of continuously promoting the urbanization construction of China, more and more high-rise buildings can be seen, and when water is supplied to the high-rise buildings, municipal water supply pipelines cannot be delivered to the high-rise buildings, so that secondary water supply is needed. The mode that water tank + frequency conversion water supply was adopted to current city secondary water supply system mainstream, and the water tank can play the regulation effect, makes water works system water and pipe network water supply realize the most economical operation. But in the water inlet process of the water tank, the water pressure of the pipe network is completely lost, and the energy is lost. According to preliminary calculation, the water pressure of the municipal pipe network is usually about 0.28MPa, and if the part of energy is fully utilized, the energy consumption of the pump house can be basically reduced by about 15%. Therefore, under the current large background of energy saving and carbon reduction, an energy saving device is needed so as to realize stronger economic and social values of a water supply system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming among the prior art secondary water supply system and intaking the water tank in-process normal water pressure complete loss, can't utilize, the problem that economic nature is low provides a secondary water supply pump house economizer, make full use of water tank inlet channel pressure differential energy, utilizes the rivers in the pipeline to drive pipeline formula power generation facility to directly be used for pump house unit, need not energy memory, thereby realize energy-conservingly.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the system comprises a pipeline type power generation device connected with a municipal water pipe, wherein the pipeline type power generation device is connected with a water tank, a grid-connected device and a controller, the water tank is connected with a user side, the grid-connected device is connected with pump house electric equipment, and the controller is further connected with the grid-connected device.
The pipeline type power generation device is driven by water flow in the pipeline, direct current generated by the generator is directly supplied to electric equipment of the secondary water supply pump house through the grid-connected device, and the controller is used for controlling relevant parameters of the grid-connected device and improving the power generation efficiency. The larger the water consumption of residents is, the higher the power consumption of the pump house is, and the larger the water replenishing amount of a municipal pipe network water supply tank is, the higher the generated energy of the pipeline type power generation device is; on the contrary, when the water consumption of residents is reduced, the inflow rate of water is reduced, the electric quantity generated by the device is reduced, and the power consumption of the pump room is synchronously reduced. Therefore, the electricity generated by the pipeline type generating set can be completely consumed by the pump room without delivery and energy storage device; the difference value of the total power consumption and the total power generation amount of the pump room is partially supplemented by an external network. Namely the utility model discloses a rivers in the pipeline drive the electricity generation of pipeline formula power generation facility, and the electricity that power generation facility sent supplies pump house consumer to use to reach the part self-supporting, reduce the outside energy consumption of pump house from this, improve economic nature.
Preferably, the pipeline type power generation device is a pipeline type permanent magnet direct current generator, and the permanent magnet direct current generator is installed on the water tank water inlet main pipe. Install power generation facility on the water tank is intake and is responsible for to utilize the rivers in the pipeline better to drive pipeline formula power generation facility and generate electricity, improve the generating efficiency. The permanent magnet direct current generator is less affected by temperature change, output change is small, slope is high, and linear error is small.
Preferably, the permanent magnet direct current generator comprises a machine shell, a stator winding is integrated on the machine shell, a rotor assembly is arranged inside the machine shell, the rotor assembly comprises a motor shaft and a turbine installed on the motor shaft, and permanent magnets distributed in an annular mode are arranged on the edge of the turbine. The rotor part of the permanent magnet direct current generator is designed into a novel turbine structure, permanent magnets are embedded in the outer edge of the turbine and are distributed at intervals and fixedly connected with the turbine.
Preferably, the permanent magnet body position high-flux rare earth permanent magnet is a high-density winding. When the water flow type water flow generator is installed, one end of the stator winding is embedded into the pipeline, the stator winding and the pipe wall are integrated, and because the water flow takes away the heat of the stator winding, the winding adopts a high-density winding to improve the efficiency.
Preferably, a hand valve is further arranged between the municipal pipeline and the pipeline type power generation device, and a water supply valve is further arranged between the pipeline type power generation device and the water tank. The adoption of the water supply valve can ensure that the pipeline type power generation device runs stably.
Preferably, the grid-connected device comprises an inverter connected with the pipeline type power generation device, a grid-connected cabinet connected with the inverter, and a power cabinet connected with the grid-connected cabinet, the grid-connected cabinet is further connected with an external power supply, the grid-connected cabinet and the inverter are both connected with the controller, and the power cabinet is connected with the pump house electric equipment.
Direct current generated by the pipeline type power generation device is inverted into alternating current after passing through the inverter, and the alternating current is merged into the pump room power cabinet through the grid-connected cabinet and is directly supplied to other electric equipment of the secondary water supply pump room, so that the energy-saving purpose is achieved.
Preferably, the user side comprises a plurality of users connected with the water outlet pipeline of the water tank, and the main water outlet pipeline of the water tank is further provided with a pressurizing pump. The pressure pump is used for increasing water pressure, so that water in the water tank can be delivered to a user.
Preferably, the device further comprises a liquid level monitoring device, wherein the liquid level monitoring device comprises a first liquid level sensor installed on the ground of the pump room and a second liquid level sensor installed in the water tank. The first liquid level sensor can monitor whether water exists on the ground of the pump room, so that whether a water flooding accident occurs in the pump room is monitored; the second liquid level sensor is used for monitoring the liquid level of the water tank, and water can be timely supplemented at a water peak through the second liquid level sensor, so that the situation that the water quantity of the water tank is insufficient is avoided, and the water consumption pressure at the water peak is reduced. Can also install temperature sensor, mainly used gathers pump house ambient temperature, and temperature sensor installs in each corner of pump house or the place that needs key monitoring temperature to the pump house conflagration takes place for the avoidance of.
Therefore, the utility model discloses following beneficial effect has: 1. the water flow in the pipeline is utilized to drive the pipeline type power generation device to generate power, and the power generated by the power generation device is used by electric equipment of the pump room, so that partial self-sufficiency is achieved, the energy consumption outside the pump room is reduced, the energy conservation is realized, and the economy is improved; 2. the electricity generated by the pipeline type power generation device can be completely consumed by the pump room without delivery or an energy storage device, so that the energy storage cost is reduced; 3. the pipeline type power generation device has a simple structure, is convenient to install, and realizes stable power generation by adding the water supply valve.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Fig. 2 is a schematic diagram of the architecture of the present invention.
Fig. 3 is a schematic structural diagram of the permanent magnet dc generator of the present invention.
Fig. 4 isbase:Sub>A schematic cross-sectional view of the permanent magnet dc generatorbase:Sub>A-base:Sub>A in fig. 3.
In the figure: 1. municipal water pipes; 2. a pipeline-type power generation device; 3. a water tank; 4. a grid-connected device; 5. a controller; 6. a user side; 7. an external power supply; 8. an electricity-consuming device; 9. a hand valve; 10. a water supply valve; 11. a user; 12. a pressure pump; 13. an inverter; 14. a grid-connected cabinet; 15. a power supply cabinet; 16. a housing; 17. a stator winding; 18. a permanent magnet; 19. a turbine; 20. a motor shaft.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
the first embodiment is as follows:
the embodiment is an energy-saving device for a secondary water supply pump house, and as shown in fig. 1, the energy-saving device comprises a pipeline type power generation device 2 connected with a municipal water pipe 1, the pipeline type power generation device is connected with a water tank 3, a grid-connected device 4 and a controller 5, the water tank is connected with a user side 6, the grid-connected device is connected with an external power supply 7 and other electric equipment 8 of the pump house, and the controller is further connected with the grid-connected device. The direct current generated by the generator is directly supplied to the electric equipment of the secondary water supply pump house through the grid-connected device, and the controller is used for controlling relevant parameters of the grid-connected device and improving the power generation efficiency. Namely the utility model discloses a rivers in the pipeline drive pipeline formula power generation facility electricity generation, and the electricity that power generation facility sent supplies pump house consumer to use to reach the part self-sufficiency, reduce the outside energy consumption of pump house from this, improve economic nature.
Specifically, the specific architecture of the pump house energy saving device is shown in fig. 2:
still be equipped with hand valve 9 between municipal administration water pipe and pipeline formula power generation facility, still be equipped with feed-water valve 10 between pipeline formula power generation facility and the water tank, adopt the feed-water valve can guarantee that pipeline formula direct current permanent magnet generator is comparatively even running.
The user side comprises a plurality of users 11 connected with the water outlet of the water tank through a pipeline, and a pressure pump 12 is also arranged on the main water outlet pipeline of the water tank; the booster pump is used for increasing the water pressure, so that the water in the water tank can be delivered to a user.
The grid-connected device comprises an inverter 13, a grid-connected cabinet 14 and a power cabinet 15 which are sequentially connected, wherein the inverter and the grid-connected cabinet are both connected with the controller, the grid-connected cabinet is also connected with an external power supply, and the power cabinet is connected with other electric equipment in the pump room. Direct current generated by the pipeline type power generation device is inverted into alternating current after passing through the inverter, and the alternating current is merged into the pump room power cabinet through the grid-connected cabinet and is directly supplied to other electric equipment of the secondary water supply pump room, so that the energy-saving purpose is achieved.
When the pipeline type power generation device works, the pipeline type power generation device is arranged on the water inlet main pipe of the water tank, and the pipeline type power generation device is driven by water flow in the pipeline; direct current generated by the generator is inverted into alternating current with the frequency of 50Hz and the voltage of 380V through the inverter, and the alternating current is merged into the pump room power cabinet through the grid-connected cabinet and is directly supplied to electric equipment of the pump room for use.
Taking a 1000-family residential community as an example, the inlet pressure P1 of a municipal pipe network is 0.28MPa, the tail water pressure P2 of a water inlet pipe of a water tank is reserved for 0.03MPa, the daily water consumption V of the community is =1000 families multiplied by 4 persons/family multiplied by 0.15m3/person =600 m3 (0.15 m3/person-to-person average water ration), the daily power consumption W0 of a pump house is about 200kWh, and the efficiency eta of a power generation system is 85%. The daily power generation value W1= (P1-P2) × V × g × η =34.7 kWh (g is the gravitational acceleration value 9.8), and the energy saving rate is W1/W0 =17.35%.
The larger the water consumption of residents is, the higher the power consumption of the pump house is, and the larger the water replenishing amount of a municipal pipe network water supply tank is, the higher the generated energy of the pipeline type power generation device is; on the contrary, when the water consumption of residents is reduced, the water inlet flow is reduced, the electric quantity generated by the device is reduced, and the power consumption of the pump room is synchronously reduced. Therefore, the electricity generated by the pipeline type generating set can be completely consumed by the pump room without being sent out or being provided with an energy storage device, and the cost is saved. The difference value of the total power consumption of the pump room and the total generated energy of the pipeline type power generation device is partially supplemented by an external power supply connected with the grid-connected cabinet.
In this embodiment, the pipeline type power generation apparatus adopts a pipeline type permanent magnet direct current generator, the permanent magnet direct current generator is installed on the water tank water inlet main pipe, the specific structure of the permanent magnet direct current generator is as shown in fig. 3, the permanent magnet direct current generator comprises a casing 16, a stator winding 17, a permanent magnet 18, a turbine 19 and a motor shaft 20, the motor shaft is arranged in the center of the casing, the turbine is located in the casing, the turbine is installed on the motor shaft, the stator winding is integrated on the casing, the permanent magnet is arranged at the edge of the turbine and fixedly connected with the turbine, the permanent magnet is distributed annularly and distributed uniformly and at intervals. The cross-sectional view of permanent magnet dc generatorbase:Sub>A-base:Sub>A in fig. 3 is shown in fig. 4.
Pipeline formula direct current permanent magnet generator in this embodiment, the rotor part designs into novel turbine structure, and the high flux tombarthite permanent magnet of turbine outer fringe embedding, stator winding one end embedding pipeline during the installation, and stator winding and pipe wall fuse as an organic whole because rivers take away the stator winding heat, and the winding adopts high density winding in order to raise the efficiency.
Taking a 1000-household community as an example, the maximum water consumption Qh =1000 households × 4 persons/household × 0.15m3/person × Kh/24 hours =60 m3/h (wherein the hour change coefficient Kh value is 2.4), and the rated power PN = (P1-P2) × Qh × g = 4kW of the power generation device.
The utility model fully utilizes the pressure difference energy of the water inlet pipeline of the water tank, adopts the pipeline type permanent magnet direct current motor to generate electricity, and is directly used for a pump room unit (without an energy storage device), thereby realizing energy conservation; the pipeline type power generation device structure is adopted, the structure is simple, and the installation is convenient; and stable power generation is realized through the adjusting function of the water supply valve.
The second embodiment:
this embodiment has increased liquid level monitoring device and temperature sensor on the basis of embodiment one, and temperature sensor mainly used gathers pump house ambient temperature, can install in each corner of pump house or the place that needs key monitoring temperature, monitors whether the pump house takes place the fire incident.
The liquid level monitoring device comprises a first liquid level sensor installed on the ground of the pump room and used for monitoring ground liquid level data and monitoring whether a water flooding accident occurs in the pump room.
The liquid level monitoring device further comprises a second liquid level sensor installed in the water tank, the second liquid level sensor is connected with the controller, the water level of the water tank is monitored in real time, water can be timely supplemented at a water peak through the second liquid level sensor, the situation that the water amount of the water tank is insufficient is avoided, and the water consumption pressure at the water peak is reduced.
And an operator can adjust related parameters of the inverter and the grid-connected cabinet through the controller according to the liquid level condition in the water tank, so that the power generation efficiency is improved.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (8)
1. The utility model provides a secondary water supply pump house economizer which characterized in that, includes the pipeline formula power generation facility with municipal water piping connection, pipeline formula power generation facility is connected with the water tank, is incorporated into the power networks device and controller, the water tank is connected with the user side, it is connected with pump house consumer to be incorporated into the power networks the device, the controller still is connected with the device that is incorporated into the power networks.
2. The energy saving device for secondary water supply pump house according to claim 1, wherein the pipeline type power generation device is a permanent magnet DC generator, and the permanent magnet DC generator is installed on the water tank water inlet main pipe.
3. The energy-saving device for the secondary water supply pump house according to claim 2, wherein the permanent magnet DC generator comprises a casing, stator windings are integrated on the casing, a rotor assembly is arranged inside the casing, the rotor assembly comprises a motor shaft and a turbine mounted on the motor shaft, and the edge of the turbine is provided with permanent magnets distributed in a ring shape.
4. The energy-saving device for the secondary water supply pump house according to claim 3, wherein the permanent magnet is a high-flux rare earth permanent magnet, and the stator winding is a high-density winding.
5. The energy-saving device for the secondary water supply pump house according to claim 1, 2, 3 or 4, characterized in that a hand valve is further arranged between the municipal pipeline and the pipeline type power generation device, and a water supply valve is further arranged between the pipeline type power generation device and the water tank.
6. The energy-saving device for the secondary water supply pump house according to claim 1 or 2, wherein the grid-connected device comprises an inverter connected with the pipeline type power generation device, a grid-connected cabinet connected with the inverter, and a power supply cabinet connected with the grid-connected cabinet, the grid-connected cabinet is further connected with an external power supply, the grid-connected cabinet and the inverter are both connected with the controller, and the power supply cabinet is connected with the electric equipment of the pump house.
7. The energy-saving device for a secondary water supply pump house according to claim 1, wherein the user side comprises a plurality of users connected to a water outlet pipe of the water tank, and a pressurizing pump is further provided on the main water outlet pipe of the water tank.
8. The energy-saving device for the secondary water supply pump house according to claim 1 or 7, further comprising a liquid level monitoring device, wherein the liquid level monitoring device comprises a first liquid level sensor installed on the ground of the pump house and a second liquid level sensor installed in the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222613847.XU CN218479255U (en) | 2022-09-30 | 2022-09-30 | Secondary water supply pump house economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222613847.XU CN218479255U (en) | 2022-09-30 | 2022-09-30 | Secondary water supply pump house economizer |
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| Publication Number | Publication Date |
|---|---|
| CN218479255U true CN218479255U (en) | 2023-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222613847.XU Active CN218479255U (en) | 2022-09-30 | 2022-09-30 | Secondary water supply pump house economizer |
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| CN (1) | CN218479255U (en) |
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- 2022-09-30 CN CN202222613847.XU patent/CN218479255U/en active Active
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