Fire water supply and living water supply combined water supply system
By arranging vertical partition walls, electric valves, liquid level control pipes and connecting pipes in the integrated pool of the hydropower station, the problem of fire water and domestic water being cut off at the same time is solved, the pool structure is simplified, the water supply pressure is increased, and fire protection is achieved and the high efficiency of domestic water supply without interfering with each other.
Patent Information
- Application Number
- CN202421183015.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The fire water supply and domestic water supply systems of existing hydropower stations are complex, and it is easy to cause water outages at the same time when fire water and domestic water are cut off. The long-term failure of the fire pipeline network may lead to insufficient water supply pressure.
By arranging vertical partition walls, electric valves, liquid level control pipes and connecting pipes in an integrated pool, the fire-fighting pool and the clean water pool can be replenished without interfering with each other, simplifying the pool structure, eliminating the need for a water replenishment pump in the clean water pool, and passing Moving baffles and water collection grooves increase water supply pressure.
It realizes that fire water and domestic water do not interfere with each other, simplifies the pool structure, reduces the cost, and effectively increases the water supply pressure of the water supply system.
Smart Images
Figure CN222375563U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of fire-fighting water supply and domestic water supply systems of hydropower stations, and specifically relates to a water supply system for fire-fighting water supply and domestic water supply. Background Art
[0002] Most hydropower stations are built in mountains and forests far away from cities, and usually require a separate fire water supply system and a clean living water supply system. Hydropower stations are mostly built on mountains, so they often take advantage of the mountain terrain and build water tanks on hillsides that are a certain height higher than the plant, using high-pressure fire water supply systems and living water supply systems.
[0003] When constructing a fire water pool within the scope of a hydropower station, in consideration of the convenience of construction and saving investment, the fire water pool is usually used together with the clean water pool. According to the requirements of the "Technical Specifications for Fire Water Supply and Fire Hydrants", when the fire water pool is used together with other pools, measures should be taken to ensure that the fire water pool is not used for other purposes. Therefore, when the fire water pool is used together with the clean water pool, a liquid level control device is usually installed inside the fire water pool to ensure that the effective fire water is not used for other purposes. Since the pool is used for both fire water and domestic water, when the pool is regularly inspected and maintained or a malfunction occurs, the fire water and domestic water will be cut off at the same time.
[0004] In order to avoid the situation where both fire water and domestic water are cut off at the same time, it is generally considered to build the fire water pool and the clean water pool separately, without connecting them and without interfering with each other. The water replenishment of the fire water pool and the clean water pool requires a set of water replenishment pumps to be set up separately, and the water replenishment is controlled by their respective liquid level sensors. In this way, two water pumps need to be set up at the same time, and the water supply system is relatively complicated.
[0005] In addition, when a fire occurs, the fire-fighting pipeline network may not be in operation for a long time, the pipeline may be blocked, or due to unexpected situations, local leakage may occur, which may affect the water supply pressure of the fire water supply system and cause insufficient water supply pressure at the fire hose at the end of the water supply system. Utility Model Content
[0006] The technical problem to be solved by the utility model is to provide a simpler and more reliable water supply system for fire fighting water supply and domestic water supply.
[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a water supply system for fire-fighting water supply and domestic water supply, including a fire-fighting water pool, a clean water pool and a control system, the fire-fighting water pool is equipped with a water supply pump and a fire-fighting water pool water supply pipe for replenishing water therein, a first liquid level sensor for detecting the height of its liquid level is arranged in the fire-fighting water pool, the fire-fighting water pool is equipped with a fire-fighting pipe network water supply pipe for supplying water to the fire-fighting pipe network, a second liquid level sensor for detecting the height of its liquid level is arranged in the clean water pool, the first liquid level sensor, the second liquid level sensor and the water supply pump are all electrically connected to the control system, and a control system is arranged in an integral water pool. A fire water tank and a clean water tank are arranged side by side by vertical partition walls. A liquid level control pipe is arranged in the fire water tank. The liquid level control pipe is an inverted U-shaped structure consisting of a first vertical section, a circular arch section and a second vertical section. A vacuum breaking hole is arranged on the upper side wall of the top of the circular arch section of the liquid level control pipe. The lower end of the second vertical section of the liquid level control pipe is connected with the clean water tank through a connecting pipe. The position of the pipe mouth of the connecting pipe close to the clean water tank is lower than the position of the vacuum breaking hole. The fire water tank is directly replenished with water by relying on the siphon effect of the liquid level control pipe and the connecting pipe. An electric valve is arranged on the connecting pipe, and the electric valve is electrically connected to the control system.
[0008] A further preferred solution is that manual valves are respectively arranged on both sides of the electric valve on the connecting pipe.
[0009] A further preferred solution is that a gate well is arranged outside the water pool, and the electric valve and the manual valve on the connecting pipe are arranged in the gate well.
[0010] A further preferred solution is that a trumpet-shaped water inlet terminal piece is coaxially mounted at the pipe opening position at the lower end of the first vertical section of the liquid level control pipe.
[0011] A further preferred scheme is: taking the vertical partition wall located on the right side of the fire water tank as a reference, a movable partition is arranged opposite to the vertical partition wall on the left side of the fire water tank, and the movable partition can move back and forth horizontally in the fire water tank through a driving mechanism. The inner side of the movable partition is connected to the right inner cavity of the fire water tank through a water collecting groove, and the left area of the water collecting groove can be synchronously expanded and contracted with the left and right movement of the movable partition. The first liquid level sensor, fire water tank water supply pipe, fire network water supply pipe, liquid level control pipe and connecting pipe are all arranged in the right area of the fire water tank.
[0012] A further preferred scheme is: the water collecting groove is an elastic water bag with an open top, the left side wall of the elastic water bag is fixedly connected to the movable partition, the right side wall of the elastic water bag is fixedly connected to the vertical partition wall, the right side area of the front side wall of the elastic water bag is fixedly connected to the front side wall of the fire water tank, and the right side area of the rear side wall of the elastic water bag is fixedly connected to the rear side wall of the waterproof tank; the side wall of the elastic water bag is provided with a sealing interface pipe penetrating the side wall of the elastic water bag at the connection point with the fire pipe network water supply pipe and the connection point with the connecting pipe, the water inlet end of the fire pipe network water supply pipe passes through the corresponding sealing interface pipe and extends into the elastic water bag, the connecting pipe is used to connect one end of the liquid level control pipe and passes through the corresponding sealing interface pipe and extends into the elastic water bag, the outer peripheral surface of the fire pipe network water supply pipe is sealedly connected to the mating surface of the sealing interface pipe, and the outer peripheral surface of the connecting pipe is sealedly connected to the mating surface of the sealing interface pipe.
[0013] A further preferred solution is that the sealing interface tube comprises a tube body and an annular fixing plate arranged on the outer wall of the tube body, and the annular fixing plate is sealingly bonded and fixed to the side wall of the elastic water bag.
[0014] A further preferred solution is: the driving mechanism of the movable partition includes a driving motor, a threaded rod, a threaded sleeve and a guide mechanism, the threaded sleeve is fixedly arranged on the upper end of the movable partition, the driving motor is fixedly arranged on the top of the fire water tank, the threaded rod is rotatably arranged on the top of the fire water tank, the output end of the driving motor drives the threaded rod to rotate through the transmission structure, the threaded sleeve and the threaded rod form a threaded connection, the guide mechanism includes a strip limit groove arranged on the front inner wall and the rear inner wall of the fire water tank, and sliders matching the strip limit grooves are fixedly arranged at both ends of the movable partition.
[0015] A further preferred solution is that a pressure sensor is provided at the end of the fire protection pipe network, and the pressure sensor and the driving mechanism of the movable partition are electrically connected to the control system.
[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: Compared with the conventional scheme when the existing fire water pool and the clean water pool are used together, the present invention realizes that the fire water and the domestic water do not interfere with each other by only adding components such as vertical partition walls, electric valves, liquid level control pipes and connecting pipes; Compared with the existing scheme that the fire water pool and the clean water pool are built separately, the present invention simplifies the overall structure of the pool, and at the same time eliminates the water replenishment pump equipped with the clean water pool (the clean water pool of the present invention realizes water replenishment by controlling the opening and closing of the electric valve on the connecting pipe), thereby reducing the construction cost. The liquid level control pipe of the present invention is provided with a vacuum breaking hole on the upper side wall of the top of the circular arch section. When the liquid level in the fire water pool drops to the position of the vacuum breaking hole, air will directly enter the liquid level control pipe through the vacuum breaking hole. At this time, the liquid level control pipe can no longer transport water from the fire water pool to the clean water pool. The present invention can effectively ensure that the effective water consumption of the fire water pool is not used for other purposes.
[0017] In addition, the utility model adds a movable partition and a water collecting groove that can be extended and retracted left and right in the fire water pool. When the water supply pressure at the end of the fire pipe network is insufficient, the movable partition can be moved to the right to compress the water collecting groove, thereby raising the water level in the fire water pool to increase the water supply pressure at the end of the water supply system. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the planar layout structure of the first embodiment of the utility model.
[0019] Figure 2 for Figure 1 Schematic diagram of the AA facade structure.
[0020] Figure 3 for Figure 1 Schematic diagram of the BB facade structure.
[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the second embodiment of the utility model.
[0022] Figure 5 This is a schematic diagram of the planar layout structure of the second embodiment of the utility model.
[0023] Figure 6 for Figure 5 Schematic diagram of the AA facade structure.
[0024] Figure 7 for Figure 5 Schematic diagram of the BB facade structure.
[0025] Figure 8 This is a schematic diagram of the threaded rod structure involved in the second embodiment of the utility model.
[0026] Fig. 9 It is a schematic diagram of the three-dimensional structure of a threaded sleeve involved in the second embodiment of the utility model.
[0027] Fig.10 This is a schematic diagram of the internal structure of a threaded sleeve involved in the second embodiment of the utility model.
[0028] Fig.11 It is a schematic diagram of a movable partition and a driving mechanism involved in the second embodiment of the utility model.
[0029] Fig.12 It is a schematic structural diagram of a preferred embodiment of a water collecting groove involved in the second embodiment of the utility model.
[0030] Fig.13 This is a schematic diagram of the sealing interface pipe structure involved in the second embodiment of the utility model.
[0031] Fig.14It is a schematic diagram of the matching structure of the sealing interface pipe and the connecting pipe involved in the second embodiment of the utility model.
[0032] Fig.15 It is a schematic diagram of the connection structure between the sealing interface tube and the elastic water bag involved in the second embodiment of the utility model.
[0033] Parts markings in the figure: fire water tank 1, clean water tank 2, first liquid level sensor 3, liquid level control pipe 4, fire water tank water supply pipe 5, vacuum breaking hole 6, connecting pipe 7, electric valve 8, manual valve 9, second liquid level sensor 10, vertical partition wall 11, gate well 12, water inlet end piece 13, movable partition 14, water collecting groove 15, fire pipe network water supply pipe 16, strip limit groove 17, drive motor 18, threaded rod 19, threaded sleeve 20, sealing interface pipe 21, clean water tank outlet pipe 22, annular fixing plate 23. DETAILED DESCRIPTION
[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0035] See also Figures 1 to 7 The utility model comprises a fire water pool 1, a clean water pool 2 and a control system. The fire water pool 1 is provided with a water supply pump and a fire water pool water supply pipe 5 for supplying water thereto. A first liquid level sensor 3 for detecting the height of the liquid level is arranged in the fire water pool 1. The fire water pool 1 is provided with a fire pipe network water supply pipe 16 for supplying water to the fire pipe network. A second liquid level sensor 10 for detecting the height of the liquid level is arranged in the clean water pool 2. The first liquid level sensor 3, the second liquid level sensor 10 and the water supply pump are all electrically connected to the control system. The fire water pool 1 and the clean water pool are arranged side by side by arranging a vertical partition wall 11 in an integral water pool. Pool 2, a liquid level control pipe 4 is arranged in the fire water pool 1, and the liquid level control pipe 4 is an inverted U-shaped structure consisting of a first vertical section, a circular arch section and a second vertical section. A vacuum breaking hole 6 is arranged on the upper side wall of the top of the circular arch section of the liquid level control pipe 4, and the lower end of the second vertical section of the liquid level control pipe 4 is connected with the clean water pool 2 through a connecting pipe 7, and the position of the pipe mouth of the connecting pipe 7 close to the clean water pool 2 is lower than the position of the vacuum breaking hole 6. Relying on the siphon effect of the liquid level control pipe 4 and the connecting pipe 7, the fire water pool 1 is directly used to replenish the clean water pool 2, and an electric valve 8 is arranged on the connecting pipe 7, and the electric valve 8 is electrically connected to the control system.
[0036] During the implementation of the utility model, when the liquid level in the fire water pool 1 drops to the position of the vacuum breaking hole 6, the air will directly enter the liquid level control tube 4 through the vacuum breaking hole 6. The liquid level control tube 4 can no longer transport water from the fire water pool 1 to the clean water pool 2. The utility model can effectively ensure that the effective water consumption of the fire water pool 1 is not used for other purposes. The water replenishment of the fire water pool 1 can be implemented with reference to the existing technology, and the first liquid level sensor 3 is directly used to control the opening and closing of the water replenishment pump. The water replenishment of the clean water pool 2 can be achieved by controlling the opening and closing of the electric valve 8 through the second liquid level sensor 10. It can be understood that whether it is using the first liquid level sensor 3 to control the opening and closing of the water replenishment pump, or using the second liquid level sensor 10 to control the opening and closing of the electric valve 8, what is involved is the conventional control program, and the utility model does not involve the improvement of the computer program.
[0037] In order to facilitate the maintenance of the electric valve 8 , manual valves 9 are preferably provided on both sides of the electric valve 8 on the connecting pipe 7 .
[0038] In order to facilitate the installation of various valves and to protect the valves, a gate well 12 is provided outside the pool, and the electric valve 8 and the manual valve 9 on the connecting pipe 7 are both arranged in the gate well 12 .
[0039] In order to facilitate the use of siphon effect to transport water from the fire water tank 1 to the clean water tank 2, the liquid level control pipe 4 is coaxially installed with a trumpet-shaped water inlet terminal 13 at the pipe mouth position at the lower end of the first vertical section of the liquid level control pipe 4.
[0040] See also Figures 4 to 15In order to facilitate the adjustment of the water pressure at the end of the fire-fighting pipe network, taking the vertical partition wall 11 located on the right side of the fire-fighting water tank 1 as a reference, the utility model is provided with a movable partition 14 arranged opposite to the vertical partition wall 11 on the left side inside the fire-fighting water tank 1. The movable partition 14 can reciprocate left and right in the horizontal direction in the fire-fighting water tank 1 through a driving mechanism. The inner side of the movable partition 14 is connected to the right inner cavity of the fire-fighting water tank 1 through a water collecting groove 15. The left area of the water collecting groove 15 can be synchronously extended and retracted with the left and right movement of the movable partition 14. The first liquid level sensor 3, the fire-fighting water tank replenishment pipe 5, the fire-fighting pipe network water supply pipe 16, the liquid level control pipe 4 and the connecting pipe 7 are all arranged in the right area of the fire-fighting water tank 1. The movement of the movable partition 14 and the water collecting groove 15 in the left area will not affect the internal equipment and pipelines in the right area. The utility model adds a movable partition 14 and a water collecting groove 15 that can be retracted left and right in the fire water pool. When the water supply pressure at the end of the fire pipe network is insufficient, the movable partition 14 can be moved rightward to compress the water collecting groove 15, thereby raising the water level in the fire water pool to increase the water supply pressure at the end of the water supply system. The movable partition 14 can be made of stainless steel, lined with stainless steel or plastic-coated steel plates inside and outside. Usually, the fire water pool has a large volume, a small footprint, and a large depth. Through this solution, in extreme cases, the water level in the fire water pool can always be kept high.
[0041] Specifically, the left and right extension and retraction of the water collecting groove 15 can be achieved through a variety of conventional methods, such as making its main body with elastic or flexible materials, or by adopting the same telescopic structure as the existing technologies such as bellows and accordion protective covers. It only needs to adapt the outer shape specifications of the water collecting groove 15 to the inner cavity of the fire water tank 1.
[0042] The shape of the water collecting groove 15 can also have a variety of forms. For example, a conventional U-shaped groove can be used, and the movable partition 14, the U-shaped groove and the right inner cavity area of the fire water tank 1 together form the water storage chamber of the fire water tank 1; a groove type with both the left and top sides open can also be used, in which case the movable partition 14 and the inner cavity of the water collecting groove 15 together form the water storage chamber of the fire water tank 1; a groove type with both the right and top sides open can also be used, in which case the vertical partition wall 11 and the inner cavity of the water collecting groove 15 together form the water storage chamber of the fire water tank 1; a groove type with only the top side open can also be used, in which case the inner cavity of the water collecting groove 15 is completely used as the water storage chamber of the fire water tank 1. In the above embodiment, when the water collecting groove 15 has a portion located in the right area of the fire water tank 1, it is necessary to connect and fix the right area of the water collecting groove 15 to the right inner cavity of the fire water tank 1, and only the left area can be retracted to prevent the movable partition 14 and the water collecting groove from affecting the internal equipment and pipelines in the right area when moving.
[0043] To facilitate installation and implementation, and to make the integrity of the water storage cavity better, the water collecting groove 15 in the utility model preferably adopts an elastic water bag with an open top (the material may be natural rubber, etc.), the left side wall of the elastic water bag is fixedly connected to the movable partition 14, the right side wall of the elastic water bag is fixedly connected to the vertical partition wall 11, the right side area of the front side wall of the elastic water bag is fixedly connected to the front side wall of the fire water tank 1, and the right side area of the rear side wall of the elastic water bag is fixedly connected to the rear side wall of the waterproof pool 1; the above-mentioned fixed connection of the elastic water bag can be achieved by conventional bonding or bolts with sealing gaskets. The side wall of the elastic water bag is provided with a sealing interface pipe 21 penetrating the side wall of the elastic water bag at the connection point with the fire network water supply pipe 16 and the connection point with the connecting pipe 7. The water inlet end of the fire network water supply pipe 16 passes through the corresponding sealing interface pipe 21 and extends into the elastic water bag. The connecting pipe 7 is used to connect one end of the liquid level control pipe 4 and passes through the corresponding sealing interface pipe 21 and extends into the elastic water bag. The outer peripheral surface of the fire network water supply pipe 16 is sealed to the mating surface of the sealing interface pipe 21. The outer peripheral surface of the connecting pipe 7 is sealed to the mating surface of the sealing interface pipe 21. The sealing connection at the inner wall of the sealing interface pipe 21 can be achieved by conventionally setting a sealing ring or bonding seal. The fire pool water supply pipe 5 can be arranged in the upper area of the elastic water bag, or it can be directly connected to the side wall of the elastic water bag. If it is connected to the side wall of the elastic water bag, it can be installed in the same way as the fire network water supply pipe 16.
[0044] The sealing interface tube 21 and the elastic water bag can adopt an integrated structure or a split structure. For ease of implementation, a split structure is preferably adopted. Specifically, the sealing interface tube 21 includes a tube body and an annular fixing plate 23 arranged on the outer wall of the tube body. The annular fixing plate 23 is sealed and bonded to the side wall of the elastic water bag. The large surface of the annular fixing plate 23 can be in contact with the outer wall or the inner wall of the elastic water bag.
[0045] The driving mechanism of the movable partition 14 can adopt various existing linear displacement mechanisms. For the convenience of implementation, the preferred embodiment of the utility model adopts a screw nut kinematic pair. Specifically, the driving mechanism of the movable partition 14 includes a driving motor 18, a threaded rod 19, a threaded sleeve 20 and a guide mechanism. The threaded sleeve 20 is fixedly arranged at the upper end of the movable partition 14, the driving motor 18 is fixedly arranged at the top of the fire water tank 1, and the threaded rod 19 is rotatably arranged at the top of the fire water tank 1. The output end of the driving motor 18 drives the threaded rod 19 to rotate through the transmission structure, and the threaded sleeve 20 forms a threaded connection with the threaded rod 19. The guide mechanism includes a strip-shaped limit groove 17 arranged on the front inner wall and the rear inner wall of the fire water tank 1, and sliders matching the strip-shaped limit groove 17 are fixedly arranged at both ends of the movable partition 14. In order to make the structure more reliable, the strip-shaped limit groove 17 can generally be arranged in two groups at intervals up and down. The number and power of the drive motors 18 can be calculated and determined based on the volume of the fire water tank and the water pressure on the movable partition 14. When the water pressure is high, a motor with a larger power can be selected, or a motor traction system can be added, or both can be added at the same time. In order to ensure the safe operation of the drive motor 18, a motor with a built-in motor power over-protection system can be selected. When the movable partition 14 moves to the extreme position of the strip limit groove 17, the movement of the movable partition 14 is restricted. Under the interaction force between the threaded sleeve 20 and the threaded rod 19, the motor power gradually increases, triggering an alarm feedback signal, and forcibly shutting down the motor. Of course, in some alternative embodiments, the moving stroke of the movable partition 14 can also be controlled by adding a displacement sensor or a travel switch.
[0046] The movement of the movable partition 14 can be controlled manually or automatically. In order to improve efficiency and save labor, automatic control can be preferably used. Specifically, a pressure sensor is provided at the end of the fire pipe network. The pressure sensor and the driving mechanism of the movable partition 14 are electrically connected to the control system, that is, the pressure sensor and the driving motor 18 are controlled in linkage. It can be understood that the control program involved in controlling the motor action using pressure data is a conventional program in the art, and the utility model does not involve the improvement of the computer program.
Claims
1. A water supply system for fire fighting and domestic water supply, comprising a fire fighting water tank (1), a clean water tank (2) and a control system, wherein the fire fighting water tank (1) is provided with a water supply pump and a fire fighting water tank water supply pipe (5) for supplying water thereto, a first liquid level sensor (3) for detecting the height of the liquid level thereof is provided in the fire fighting water tank (1), the fire fighting water tank (1) is provided with a fire fighting pipe network water supply pipe (16) for supplying water to a fire fighting pipe network, a second liquid level sensor (10) for detecting the height of the liquid level thereof is provided in the clean water tank (2), the first liquid level sensor (3), the second liquid level sensor (10) and the water supply pump are all electrically connected to the control system, and characterized in that: A fire-fighting water tank (1) and a clean water tank (2) arranged side by side are formed by arranging a vertical partition wall (11) in an integral water tank; a liquid level control pipe (4) is arranged in the fire-fighting water tank (1); the liquid level control pipe (4) is an inverted U-shaped structure consisting of a first vertical section, a circular arch section and a second vertical section; a vacuum breaking hole (6) is arranged on the upper side wall of the top of the circular arch section of the liquid level control pipe (4); the lower end of the second vertical section of the liquid level control pipe (4) is connected to the clean water tank (2) through a connecting pipe (7); the position of the pipe opening of the connecting pipe (7) close to the clean water tank (2) is lower than the position of the vacuum breaking hole (6); the fire-fighting water tank (1) is directly used to replenish water to the clean water tank (2) by relying on the siphon effect of the liquid level control pipe (4) and the connecting pipe (7); an electric valve (8) is arranged on the connecting pipe (7); and the electric valve (8) is electrically connected to a control system.
2. The water supply system for fire fighting and domestic water supply as claimed in claim 1, characterized in that: Manual valves (9) are respectively arranged on both sides of the electric valve (8) on the connecting pipe (7).
3. The water supply system for fire fighting and domestic water supply as claimed in claim 2, characterized in that: A gate well (12) is arranged outside the water pool, and the electric valve (8) and the manual valve (9) on the connecting pipe (7) are both arranged in the gate well (12).
4. The water supply system for fire fighting and domestic water supply as claimed in claim 1, characterized in that: A trumpet-shaped water inlet terminal piece (13) is coaxially mounted at the pipe opening position at the lower end of the first vertical section of the liquid level control pipe (4).
5. The water supply system for fire fighting water supply and domestic water supply according to any one of claims 1 to 4, characterized in that: Taking the vertical partition wall (11) located on the right side of the fire water tank (1) as a reference, a movable partition (14) arranged opposite to the vertical partition wall (11) is arranged on the left side of the interior of the fire water tank (1). The movable partition (14) can move back and forth in the horizontal direction in the fire water tank (1) through a driving mechanism. The inner side of the movable partition (14) is connected to the right inner cavity of the fire water tank (1) through a water collecting groove (15). The left area of the water collecting groove (15) can be synchronously extended and retracted as the movable partition (14) moves left and right. The first liquid level sensor (3), the fire water tank water supply pipe (5), the fire pipe network water supply pipe (16), the liquid level control pipe (4) and the connecting pipe (7) are all arranged in the right area of the fire water tank (1).
6. The water supply system for fire fighting and domestic water supply as claimed in claim 5, characterized in that: The water collecting groove (15) is an elastic water bag with an open top, the left side wall of the elastic water bag is fixedly connected to the movable partition (14), the right side wall of the elastic water bag is fixedly connected to the vertical partition wall (11), the right side area of the front side wall of the elastic water bag is fixedly connected to the front side wall of the fire water pool (1), and the right side area of the rear side wall of the elastic water bag is fixedly connected to the rear side wall of the waterproof pool (1); the side wall of the elastic water bag is provided with a penetrating elastic plug at the connection point with the fire water supply pipe (16) of the fire pipe network and the connection point with the connecting pipe (7). The sealing interface pipe (21) is formed on the side wall of the elastic water bag, the water inlet end of the fire-fighting network water supply pipe (16) passes through the corresponding sealing interface pipe (21) and then extends into the elastic water bag, the connecting pipe (7) is used to connect one end of the liquid level control pipe (4) and then passes through the corresponding sealing interface pipe (21) and then extends into the elastic water bag, the outer peripheral surface of the fire-fighting network water supply pipe (16) and the matching surface of the sealing interface pipe (21) are sealed and connected, and the outer peripheral surface of the connecting pipe (7) and the matching surface of the sealing interface pipe (21) are sealed and connected.
7. The water supply system for fire fighting and domestic water supply as claimed in claim 6, characterized in that: The sealing interface tube (21) comprises a tube body and an annular fixing sheet (23) arranged on the outer wall of the tube body, and the annular fixing sheet (23) is sealingly bonded and fixed to the side wall of the elastic water bag.
8. The water supply system for fire fighting and domestic water supply as claimed in claim 5, characterized in that: The driving mechanism of the movable partition (14) comprises a driving motor (18), a threaded rod (19), a threaded sleeve (20) and a guide mechanism, wherein the threaded sleeve (20) is fixedly arranged at the upper end of the movable partition (14), the driving motor (18) is fixedly arranged at the top of the fire water tank (1), the threaded rod (19) is rotatably arranged at the top of the fire water tank (1), the output end of the driving motor (18) drives the threaded rod (19) to rotate through a transmission structure, the threaded sleeve (20) and the threaded rod (19) are threadedly connected, and the guide mechanism comprises a strip-shaped limit groove (17) arranged on the front inner wall and the rear inner wall of the fire water tank (1), and sliding blocks matching the strip-shaped limit groove (17) are fixedly arranged at both ends of the movable partition (14).
9. The water supply system for fire fighting and domestic water supply as claimed in claim 5, characterized in that: A pressure sensor is provided at the end of the fire protection pipe network, and the pressure sensor and the driving mechanism of the movable partition (14) are both electrically connected to the control system.