Suction well system with low operation cost

Abstract

The utility model discloses a suction well system with low operation cost, which comprises a suction well, the top of the suction well is connected with a living water pipe network through a suction well water inlet pipe, the bottom of the suction well is connected with a roof high-position fire water tank through a suction well water replenishing pipe, and the suction well water replenishing pipe is provided with a vertical pipeline centrifugal pump. A floating ball valve is arranged at the end of a water inlet pipe of the water suction well, a check valve is arranged at the water outlet end of the vertical pipeline centrifugal pump, gate valves are arranged at the two ends of the vertical pipeline centrifugal pump, and the water suction well is made of reinforced concrete or finished glass fiber reinforced plastics. The high-position fire water tank water replenishing device is suitable for high-position fire water tank water replenishing of a building roof, small in size, low in construction cost and operation management cost and small in occupied building indoor space, the floating ball valve stably controls the water inlet amount, the vertical pipeline centrifugal pump conducts secondary pressurization, water replenishing is conducted timely and stably, and the design requirement for water replenishing of the high-position fire water tank is met; the system has the advantages of engineering cost saving, low operation cost, small occupied space and convenience in installation and management.

Description

Technical Field

[0001] The utility model relates to the technical field of water suction wells, in particular to a water suction well system with low operating cost. Background Art

[0002] When municipal water pressure falls short of usage requirements, secondary pressurization is required through a domestic water pump room (including a domestic water tank) to replenish the fire water tank located high on the building's roof. However, this structure is costly and space-consuming, with the following main drawbacks: 1. If the water supply system does not require regulation, the construction and operation and management costs of the domestic water pump room are high; 2. The domestic water pump room occupies a significant amount of indoor space in the building. Therefore, to address the shortcomings of the existing technology, improvements are necessary. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings and deficiencies in the prior art and to provide a water absorption well system with low operating costs.

[0004] The utility model is realized through the following technical solutions:

[0005] A water suction well system with low operating costs includes a water suction well, the top of the water suction well is connected to the domestic water network through a water suction well water inlet pipe, the bottom of the water suction well is connected to the roof high-level fire water tank through a water suction well water supply pipe, the water suction well water supply pipe is provided with a vertical pipeline centrifugal pump, and the end of the water suction well water inlet pipe is provided with a float valve.

[0006] Furthermore, a check valve is provided at the water outlet of the vertical pipeline centrifugal pump, and gate valves are provided at both ends of the vertical pipeline centrifugal pump.

[0007] Furthermore, both ends of the vertical pipeline centrifugal pump are connected to the water supply pipe of the water suction well through flexible joints.

[0008] Furthermore, the upper part of the inner side of the water absorption well is respectively provided with a minimum alarm water level line, a maximum water level line, a maximum alarm water level line and an overflow water level line.

[0009] Furthermore, a water suction well overflow pipe is provided on the upper portion of the water suction well, and the water suction well overflow pipe extends to the outside of the water suction well.

[0010] Furthermore, a water suction well vent pipe is provided at the bottom of the water suction well, the water suction well vent pipe extends to the outside of the water suction well, and the water suction well vent pipe is provided with a vent gate valve.

[0011] Furthermore, the effective volume of the water absorption well is ≤5 cubic meters, and the water absorption well is made of reinforced concrete or finished fiberglass reinforced plastics.

[0012] Furthermore, a vortex preventer is provided at the starting end of the water supply pipe of the water suction well.

[0013] Furthermore, a vent pipe is provided on the top of the water absorption well, the vent pipe is provided with an insect-proof net, and the water inlet pipe of the water absorption well is provided with a water inlet valve.

[0014] Furthermore, a maintenance manhole is provided at the top of the water absorption well, and the maintenance manhole cover is provided with a top cover with a lock.

[0015] Compared with the existing technology, the utility model connects the top of the suction well to the domestic water network through the suction well inlet pipe, and the bottom of the suction well is connected to the roof high-level fire water tank through the suction well replenishment pipe. The suction well replenishment pipe is provided with a vertical pipeline centrifugal pump, and the end of the suction well inlet pipe is provided with a float valve, so that the suction well system is suitable for replenishing water in the high-level fire water tank on the roof of the building. When there is no adjustment requirement for the water supply system, the suction well is used to replace the secondary pressurization technology of the domestic pump room. The suction well has a small size, low construction cost and operation and management cost, and occupies little indoor space of the building. The float valve stably controls the water inlet volume, and the vertical pipeline centrifugal pump performs secondary pressurization, timely and stable water replenishment, which meets the water replenishment design requirements of the high-level fire water tank, and has the advantages of saving project cost, low operation cost, small space occupation, and easy installation and management. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A top view of the water suction well system with low operating costs of the utility model;

[0018] Figure 2 This is a longitudinal cross-sectional view of the water suction well system with low operating costs of the utility model.

[0019] In the figure: 1-suction well; 2-suction well inlet pipe; 3-suction well make-up pipe; 4-vertical pipeline centrifugal pump; 5-float valve; 6-check valve; 7-gate valve; 8-flexible flexible joint; 9-minimum alarm water level line; 10-maximum water level line; 11-maximum alarm water level line; 12-overflow water level line; 13-suction well overflow pipe; 14-suction well vent pipe; 15-vent gate valve; 16-vortex preventer; 17-vent pipe; 18-water inlet gate valve; 19-top cover. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] like Figure 1 and Figure 2 The utility model is shown as a water suction well system with low operating cost, including a water suction well 1. The top of the water suction well 1 is connected to the domestic water network through a water suction well water inlet pipe 2, and the bottom of the water suction well 1 is connected to the roof high-level fire water tank through a water suction well water supply pipe 3. The water suction well water supply pipe 3 is provided with a vertical pipeline centrifugal pump 4, and the end of the water suction well water inlet pipe 2 is provided with a float valve 5. The top of the suction well 1 is connected to the domestic water network through the suction well inlet pipe 2, and the bottom of the suction well 1 is connected to the roof high-level fire water tank through the suction well water supply pipe 3. The suction well water supply pipe 3 is provided with a vertical pipeline centrifugal pump 4, and the end of the suction well water supply pipe 2 is provided with a float valve 5, so that the suction well system is suitable for replenishing water in the high-level fire water tank on the roof of the building. When there is no adjustment requirement for the water supply system, the suction well is used to replace the secondary pressurization technology of the domestic pump room. The suction well has a small size, low construction cost and operation and management cost, and occupies little indoor space of the building. The float valve 5 stably controls the water inlet volume, and the vertical pipeline centrifugal pump 4 performs secondary pressurization to replenish water in a timely and stable manner, meeting the water replenishment design requirements of the high-level fire water tank, and has the advantages of saving project cost, low operation cost, small space occupation, and easy installation and management.

[0022] A check valve 6 is provided at the water outlet of the vertical pipeline centrifugal pump 4 to prevent water from the high-level fire water tank from flowing back. Gate valves 7 are provided at both ends of the vertical pipeline centrifugal pump 4 to facilitate control of the water inlet and outlet of the vertical pipeline centrifugal pump 4.

[0023] Both ends of the vertical pipeline centrifugal pump 4 are connected to the water suction well water supply pipe 3 through flexible joints 8, which facilitates the quick installation of the vertical pipeline centrifugal pump 4 on the water suction well water supply pipe 3.

[0024] The upper part of the inner side of the water absorption well 1 is respectively provided with a minimum alarm water level line 9, a maximum water level line 10, a maximum alarm water level line 11 and an overflow water level line 12 to monitor the water level of the water absorption well 1 to ensure that there is sufficient water in the water absorption well 1 and to prevent excessive water in the water absorption well 1.

[0025] A water suction well overflow pipe 13 is provided at the upper portion of the water suction well 1 , and the water suction well overflow pipe 13 extends to the outside of the water suction well 1 and is led to the outdoor ground for discharge.

[0026] A water suction well drain pipe 14 is provided at the bottom of the water suction well 1. The water suction well drain pipe 14 extends to the outside of the water suction well 1 and is led to the outdoor ground for draining. The water suction well drain pipe 14 is provided with a drain valve 15 to facilitate the control of the draining of the water suction well 1.

[0027] In specific implementation, the effective volume of the water suction well 1 is ≤5 cubic meters. The water suction well 1 is made of reinforced concrete or finished fiberglass reinforced plastics, with low engineering cost, small space occupation, stable structure and durability.

[0028] A vortex preventer 16 is provided at the starting end of the water supply pipe 3 of the water suction well to prevent the water suction well 1 from generating vortex when conveying liquid and to prevent air from entering the water supply pipe 3 of the water suction well, thereby ensuring that the vertical pipeline centrifugal pump 4 can always start at full power and work normally, and avoiding air from entering the vertical pipeline centrifugal pump 4 to cause cavitation, and can reduce the liquid level of the conveyed liquid in the water suction well 1 to a lower liquid level to ensure the maximum flow rate delivery, thereby maximizing the effective volume of the water suction well 1.

[0029] A vent pipe 17 is provided at the top of the water suction well 1, and the vent pipe 17 is provided with an insect-proof net. The vent pipe 17 ensures the balance of internal and external air pressure of the water suction well 1 to avoid negative pressure in the water suction well 1. The water inlet pipe 2 of the water suction well is provided with an inlet valve 18 to facilitate the water inlet control of the water suction well 1.

[0030] An inspection hole is provided on the top of the water suction well 1 to facilitate inspection of the water suction well 1. The inspection hole cover is provided with a top cover 19 with a lock to prevent people from falling and improve safety in use.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A water absorption well system with low operating costs, characterized by: It includes a water suction well, the top of which is connected to the domestic water network through a water suction well inlet pipe, and the bottom of which is connected to the roof high-level fire water tank through a water suction well supply pipe. The water suction well supply pipe is provided with a vertical pipeline centrifugal pump, and the end of the water suction well inlet pipe is provided with a float valve.

2. The low-operating-cost water-intake well system according to claim 1, characterized in that: A check valve is provided at the water outlet end of the vertical pipeline centrifugal pump, and gate valves are provided at both ends of the vertical pipeline centrifugal pump.

3. The low-operation-cost water-intake well system according to claim 1, characterized in that: Both ends of the vertical pipeline centrifugal pump are connected to the water supply pipe of the water suction well through flexible joints.

4. The low-operation-cost water-intake well system according to claim 1, characterized in that: The upper part of the inner side of the water absorption well is respectively provided with a minimum alarm water level line, a maximum water level line, a maximum alarm water level line and an overflow water level line.

5. The low-operation-cost water-intake well system according to claim 1, characterized in that: A water suction well overflow pipe is provided on the upper portion of the water suction well, and the water suction well overflow pipe extends to the outside of the water suction well.

6. The low-operation-cost water-intake well system according to claim 1, characterized in that: A water suction well drain pipe is provided at the bottom of the water suction well. The water suction well drain pipe extends to the outside of the water suction well. The water suction well drain pipe is provided with a drain gate valve.

7. The low-operation-cost water-intake well system according to claim 1, characterized in that: The effective volume of the water absorption well is ≤5 cubic meters, and the water absorption well is made of reinforced concrete or finished fiberglass reinforced plastics.

8. The low-operation-cost water-intake well system according to claim 1, characterized in that: A vortex preventer is provided at the starting end of the water supply pipe of the water suction well.

9. The water absorption well system with low operating cost according to claim 1, characterized in that: A vent pipe is provided on the top of the water suction well, the vent pipe is provided with an insect-proof net, and a water inlet pipe of the water suction well is provided with a water inlet gate valve.

10. The water absorption well system with low operating cost according to claim 1, characterized in that: A maintenance manhole is provided on the top of the water absorption well, and the maintenance manhole cover is provided with a top cover with a lock.

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