Urban water supply integrated pressurizing pump station and use method thereof

Abstract

The application discloses a kind of urban water supply integrated pressurizing pump station and its use method, solve the water hammer eliminator in existing pressurizing pump station when working, only rely on the piston movement of single cavity to realize the elimination of effect, when the flow rate and flow in pressurizing pump station change, the problem that water hammer eliminator is not good to "water hammer effect" elimination effect, including pump station main body, pump station main body includes pressurized water tank, water tank fixed seat, pump station support seat, disinfection cavity and drain groove are arranged in pressurized water tank;Integrated water supply system, the integrated water supply system includes pumping assembly and water supply component, pumping assembly and water supply component are communicated with the pressurized water tank respectively;The embodiment of the application is provided with pipeline protection mechanism, and the pipeline protection mechanism is expanded by the expansion cavity to realize the expansion of main pressure relief cavity, and the first piston is driven by water flow to drive linkage protection part and the movement of second piston, realize the sufficient protection of water supply pipeline and water supply solenoid valve.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of water supply equipment, and particularly relates to a town water supply integrated pressurizing pump station and a use method thereof. BACKGROUND

[0002] The existing city water supply system is generally connected to the water tank at the end of the pipe network in each city area through a plurality of water supply pipes after the main water source of the water supply company is pressurized by the main pressurizing pump station to supply water to the users in different city areas, and the city water supply pipe is radially distributed with the main pressurizing pump station as the center, and the pressurizing pump station refers to a structure for improving the water pressure in a local area of a water distribution system, also known as a pressurizing station.

[0003] When the pressurizing water pump is working, due to the inertia of the pressure water flow, a 'water hammer effect' will be generated in the water pump pipe when the water pump and the electromagnetic valve are closed, and the generated water flow shock wave will damage the valve and the water pump. In order to solve the 'water hammer effect', a water hammer eliminator is generally installed at the pipe of the pressurizing pump station to eliminate it. However, in the existing pressurizing pump station, the water hammer eliminator only relies on the piston movement of a single cavity to realize the elimination of the effect, and when the flow rate and flow volume in the pressurizing pump station change, the water hammer eliminator has poor effect on the elimination of the 'water hammer effect', thereby causing the rupture of the pipe or the valve body. Based on this, the application provides a town water supply integrated pressurizing pump station and a use method thereof. SUMMARY

[0004] The application aims at the deficiencies of the prior art, and provides a town water supply integrated pressurizing pump station and a use method thereof, which solve the problem that the water hammer eliminator in the existing pressurizing pump station only relies on the piston movement of a single cavity to realize the elimination of the effect, and has poor effect on the elimination of the 'water hammer effect' when the flow rate and flow volume in the pressurizing pump station change.

[0005] The application is implemented as follows: a town water supply integrated pressurizing pump station comprises:

[0006] A pump station body comprises a pressurizing water tank, a water tank fixing seat and a pump station support seat, the water tank fixing seat is fixedly installed on the pump station support seat, the pressurizing water tank is detachably arranged in the water tank fixing seat, and a disinfection cavity and a drain groove are arranged in the pressurizing water tank.

[0007] An integrated water supply system comprises a water pumping assembly and a water supply assembly, and the water pumping assembly and the water supply assembly are in communication with the pressurizing water tank.

[0008] The water supply assembly comprises:

[0009] A water supply pressurizing pump is in through communication with the drain tank, and a water supply pipeline is in through communication with a water discharge end of the water supply pressurizing pump, a water supply electromagnetic valve is arranged in the water supply pipeline, and the water supply electromagnetic valve is used to control opening and closing of the water supply pipeline;

[0010] A pipeline protection mechanism is used to protect the water supply electromagnetic valve and the water supply pipeline, and the pipeline protection mechanism comprises a main pressure relief cavity and an expansion cavity, a first piston is arranged in the main pressure relief cavity, a second piston is slidably arranged in the expansion cavity, the main pressure relief cavity and the expansion cavity are both in communication with an exhaust pipe, the first piston and the second piston are connected through a linkage protection part, and the linkage protection part is used to synchronously link the first piston and the second piston.

[0011] The pipeline protection mechanism further comprises:

[0012] An expansion buffer spring is fixedly embedded in the expansion cavity, the expansion buffer spring is fixedly connected with the second piston, and the expansion buffer spring is used for limiting protection of the second piston;

[0013] At least one set of pressure relief buffer springs is fixedly embedded in the main pressure relief cavity, and the pressure relief buffer springs are fixedly connected with the first piston.

[0014] The linkage protection part comprises:

[0015] A linkage rack is fixedly connected with the first piston;

[0016] A protection gear is arranged on one side of the linkage rack, and the protection gear is rotatably arranged in the main pressure relief cavity;

[0017] A linkage protection rod is fixedly connected with the protection gear, one end of the linkage protection rod, which is away from the protection gear, penetrates the main pressure relief cavity and the expansion cavity in sequence, and the linkage protection rod is fixedly connected with a linkage turntable, and the linkage turntable is arranged in the expansion cavity;

[0018] A linkage swing arm is arranged on one side of the linkage turntable, and the linkage swing arm is rotatably arranged in the expansion cavity, the linkage swing arm is slidably connected with the linkage turntable through a hinged block, a linkage driving groove is arranged in the linkage swing arm, a linkage driving block is slidably arranged in the linkage driving groove, and one end of the linkage driving block is fixedly connected with the second piston.

[0019] An auxiliary driving assembly is arranged in the pressurized water tank, and the auxiliary driving assembly is used to drive water bodies and assist in pumping and disinfecting the water bodies;

[0020] The auxiliary driving assembly comprises:

[0021] An auxiliary driving motor is fixedly arranged on the pressurized water tank;

[0022] An auxiliary drive shaft is fixedly connected to the output end of the auxiliary drive motor, and one end of the auxiliary drive shaft away from the auxiliary drive motor penetrates through the pressurized water tank and extends into the sterilization cavity;

[0023] At least one set of water body stirring part is used for stirring and mixing of the water body, and the water body stirring part comprises a water body stirring paddle and a stirring disturbance groove opened on the water body stirring paddle, and the water body stirring paddle is fixedly installed on the auxiliary drive shaft;

[0024] An auxiliary transmission part is fixedly connected to the auxiliary drive shaft, the auxiliary transmission part comprises a transmission gear ring and at least one set of transmission gears, the transmission gear ring and the transmission gears are in meshing transmission, the transmission gear ring is fixedly connected to the auxiliary drive shaft, and the transmission gears are rotatably installed in the sterilization cavity;

[0025] At least one set of water pumping protection part is arranged in the water pumping assembly, and the water pumping protection part is used for assisting the water pumping assembly to work and protecting the water pumping assembly.

[0026] The water pumping assembly comprises:

[0027] A water pumping pipeline;

[0028] A water pumping pressurizing pump in communication with the water pumping pipeline, the water pumping pressurizing pump is fixedly installed on the pressurized water tank, and a pressure sensor is arranged on the water pumping pipeline;

[0029] A water pumping treatment part in communication with the water pumping pressurizing pump, the water pumping treatment part is used for purification treatment of the pumped water body.

[0030] The water pumping treatment part comprises:

[0031] A water pumping treatment seat is fixedly installed on the pressurized water tank, and one side of the water pumping treatment seat is in communication with the pressurized water tank through a water injection pipe;

[0032] A water filter seat arranged in the water pumping treatment seat, the water filter seat is used for filtration and purification treatment of the pumped water body, and the water pumping protection part is arranged in the water pumping treatment seat.

[0033] The water pumping protection part comprises:

[0034] A protection transmission shaft, one end of the protection transmission shaft is fixedly connected to the transmission gear, and the other end of the protection transmission shaft penetrates through the side wall of the pressurized water tank and extends into the water pumping treatment seat;

[0035] A paddle mounting seat mounted on the end of the protection transmission shaft;

[0036] At least one set of water pumping paddles is fixedly installed on the paddle mounting seat.

[0037] The water body disinfection assembly is used for disinfection treatment of the water body in the disinfection cavity, and comprises:

[0038] A chlorine injection pipe;

[0039] A disinfection gas pump fixedly connected with the chlorine injection pipe, which is fixedly installed on the side wall of the pressurized water tank;

[0040] A water body disinfection part arranged in the disinfection cavity, which is in communication with the disinfection gas pump and is used for disinfection operation of the water body in the disinfection cavity.

[0041] The water body disinfection part comprises:

[0042] At least one set of upper flow guide pipes arranged in the disinfection cavity and in through communication with the disinfection gas pump, and a plurality of sets of upper air outlets are arranged on the upper flow guide pipes;

[0043] Lower flow guide pipes fixedly arranged in the disinfection cavity, which are in through communication with the upper flow guide pipes through flow guide branch pipes, and a plurality of sets of lower air outlets are arranged on the lower flow guide pipes.

[0044] In another aspect, the application further provides a use method of the integrated pressurized pump station for urban water supply, which comprises:

[0045] In step S10, when the water pressure in the water pumping pipeline exceeds the preset threshold value, the pressure sensor sends a pressurization instruction to the pump controller, and the pump controller sequentially controls the water pumping pressurized pump, the water supply pressurized pump, the water supply electromagnetic valve and the auxiliary driving motor to be turned on.

[0046] In step S20, the water pumping pressurized pump pumps the water in the water pumping pipeline into the water pumping treatment seat, the water filtering seat purifies and filters the water, and the filtered water is injected into the pressurized water tank through the water injection pipe.

[0047] In step S30, the auxiliary driving motor drives the auxiliary driving shaft to rotate, the auxiliary driving shaft drives the water body stirring paddle to rotate, so that the water body in the disinfection cavity is stirred, the auxiliary driving shaft also drives the transmission gear ring to rotate, the transmission gear ring drives the transmission gear to rotate, the transmission gear drives the protection transmission shaft to rotate, the protection transmission shaft drives the paddle mounting seat and the water pumping paddle to rotate, so that the water pumping treatment seat generates a negative pressure water pumping force, the auxiliary water pumping pressurized pump pumps the water, the pressure of the water pumping pressurized pump is reduced, and the auxiliary pressurization of the water pumping assembly is realized.

[0048] Step S40, the pump controller automatically opens the water supply pressure pump and water supply solenoid valve, and the sterilized water body is introduced into the water supply pipeline through the drain groove, so as to realize the water supply work after pressure sterilization.

[0049] Step S50, when the pump controller automatically controls the water supply solenoid valve and the water supply pressure pump to be closed, the water flow in the water supply pipeline impacts the water supply solenoid valve and the water supply pipeline, and the first piston is impacted by the water flow and slides, so that the first piston moves along the main pressure relief cavity, the pressure relief buffer spring acts on the first piston, the first piston drives the linkage rack to move upward, the linkage rack drives the protection gear to rotate, the protection gear drives the linkage protection rod and the linkage turntable to rotate, so that the linkage turntable drives the linkage swing arm and the linkage drive block to move, the linkage drive block drives the second piston to move upward along the expansion cavity, and the air in the main pressure relief cavity and the expansion cavity is discharged through the exhaust pipe, so as to realize the protection of the water supply pipeline and the water supply solenoid valve.

[0050] Compared with the prior art, the embodiment of the application has the following beneficial effects:

[0051] The pipeline protection mechanism is provided in the embodiment of the application, the expansion cavity is arranged in the pipeline protection mechanism, the expansion of the main pressure relief cavity is realized, the first piston is driven by the water flow to drive the linkage protection part and the second piston to move, and the water supply pipeline and the water supply solenoid valve are fully protected. Compared with the existing water hammer eliminator, the pipeline protection mechanism can more fully eliminate the "water hammer effect".

[0052] The auxiliary driving assembly is provided in the embodiment of the application, the water body stirring part in the auxiliary driving assembly can cooperate with the water body sterilization assembly to sterilize the water body in the sterilization cavity, and the auxiliary transmission part in the auxiliary driving assembly can drive the water pumping protection part to move. On the one hand, the auxiliary driving assembly can assist the water pumping assembly in pressurization, and improve the water pumping efficiency. On the other hand, the water pumping protection part can be reversely driven by the auxiliary driving motor when the water supply solenoid valve is closed, so that the pressure in the sterilization cavity is reduced, and the pressure relief protection of the water pumping assembly and the water supply assembly is indirectly realized. BRIEF DESCRIPTION OF DRAWINGS

[0053] Figure 1 is a structural schematic view of the urban water supply integrated pressure pump station provided by the application.

[0054] Figure 2 is a front view of the urban water supply integrated pressure pump station provided by the application.

[0055] Figure 3 is a bottom view of the urban water supply integrated pressure pump station provided by the application.

[0056] Figure 4 is Figure 3 A-A sectional view of the urban water supply integrated pressure pump station provided by the application.

[0057] Figure 5 is a structural schematic view of the water supply assembly provided by the present application.

[0058] Figure 6 is a side view of the water supply assembly provided by the present application.

[0059] Figure 7 is a sectional view along A-A of Figure 6

[0060] Figure 8 is a structural schematic view of the pipeline protection mechanism provided by the present application.

[0061] Figure 9 is a front view of the pipeline protection mechanism provided by the present application.

[0062] Figure 10 is a structural schematic view of the linkage protection part provided by the present application.

[0063] Figure 11 is an axonometric view of the linkage protection part provided by the present application.

[0064] Figure 12 is a structural schematic view of the inside of the disinfection cavity provided by the present application.

[0065] Figure 13 is a front view of the inside of the disinfection cavity provided by the present application.

[0066] Figure 14 is a top view of the inside of the disinfection cavity provided by the present application.

[0067] Figure 15 is a structural schematic view of the water pumping processing part provided by the present application.

[0068] Figure 16 is a three-dimensional structural schematic view of the water pumping processing part provided by the present application.

[0069] Figure 17 is a side view of the water pumping processing part provided by the present application.

[0070] Figure 18 is an implementation flowchart of the method for using the urban water supply integrated booster pump station provided by the present application.

[0071] ​In the figure: 1-pump station main body, 11-pressurized water tank, 111-disinfection cavity, 112-drainage groove, 12-water tank fixing seat, 13-pump controller, 14-pump station support seat, 2-water body disinfection assembly, 21-chlorine injection pipe, 22-disinfection gas pump, 23-water body disinfection part, 231-upper flow guide pipe, 232-flow guide branch pipe, 233-lower flow guide pipe, 234-lower exhaust port, 235-upper exhaust port, 3-water pumping assembly, 31-water pumping pipeline, 32-water pumping pressurized pump, 33-pressure sensor, 34-water pumping treatment part, 341-water pumping treatment seat, 342-water filtering seat, 343-water injection pipe, 4-water supply assembly, 41-water supply pressurized pump, 42-water supply pipeline, 43-water supply electromagnetic valve, 44-pipeline protection mechanism, 441-main pressure reduction cavity, 442-expansion cavity, 443-exhaust pipe, 444-first piston, 445-second piston, 446-expansion buffer spring, 447-pressure reduction buffer spring, 45-linkage protection part, 451-linkage rack, 452-protection gear, 453-linkage protection rod, 454-linkage turntable, 455-linkage swing arm, 456-linkage driving block, 457-linkage driving groove, 5-assisted driving assembly, 51-assisted driving motor, 52-assisted driving shaft, 53-water body stirring part, 531-water body stirring paddle, 532-stirring turbulence groove, 54-assisted transmission part, 541-transmission gear ring, 542-transmission gear, 55-water pumping protection part, 551-protection transmission shaft, 552-paddle mounting seat, 553-water pumping paddle. DETAILED DESCRIPTION

[0072] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application will be described with reference to the drawings in which is shown by way of illustration the preferred embodiments of this application. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "including," "comprising," or "having" and variations thereof in this description and in the claims are not meant to imply that there are no additional features other than those recited in the claims. The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to denote one object from another.

[0073] The water hammer eliminator in the existing pressurizing pump station only relies on the piston movement of a single cavity to achieve effect elimination when working, and when the flow rate and flow in the pressurizing pump station change, the water hammer eliminator has poor effect on eliminating the "water hammer effect", thereby causing the rupture of the pipeline or valve body. Based on this, a town water supply integrated pressurizing pump station is provided. Briefly, the town water supply integrated pressurizing pump station comprises a pump station main body 1, the pump station main body 1 comprises a pressurizing water tank 11, a water tank fixing seat 12, a pump station support seat 14, an integrated water supply system, the integrated water supply system comprises a water pumping assembly 3 and a water supply assembly 4, the water pumping assembly 3 and the water supply assembly 4 are communicated with the pressurizing water tank 11 respectively, and the water supply assembly 4 comprises a water supply pressurizing pump 41, a water supply pipeline 42 and a pipeline protection mechanism 44, the water supply pipeline 42 is provided with a water supply electromagnetic valve 43.

[0074] The embodiment of the present application provides a town water supply integrated pressurizing pump station, as shown in the figure, Figures 1-4 The town water supply integrated pressurizing pump station comprises:

[0075] A pump station main body 1, the pump station main body 1 comprises a pressurizing water tank 11, a water tank fixing seat 12 and a pump station support seat 14, the water tank fixing seat 12 is fixedly installed on the pump station support seat 14, the pressurizing water tank 11 is detachably arranged in the water tank fixing seat 12, and the pressurizing water tank 11 is provided with a disinfection cavity 111 and a drainage groove 112.

[0076] In the embodiment, the pressurizing water tank 11 is a circular seat structure with a hollow interior and polished inner wall, the bottom of the pressurizing water tank 11 is detachably installed in the water tank fixing seat 12 in a manner that the buckle and the fastening bolt are matched, the water tank fixing seat 12 and the pump station support seat 14 are fixedly connected in a welding or tenon joint manner, and in order to meet the town household water supply operation, the drainage groove 112 is arranged at the bottom of the pressurizing water tank 11, and the number of the drainage groove 112 can be two groups, three groups, four groups, five groups or six groups.

[0077] An integrated water supply system, the integrated water supply system comprises a water pumping assembly 3 and a water supply assembly 4, the water pumping assembly 3 and the water supply assembly 4 are communicated with the pressurizing water tank 11 respectively.

[0078] As shown in the figure, Figures 5-7 The water supply assembly 4 comprises:

[0079] A water supply pressurizing pump 41, the water supply pressurizing pump 41 is communicated with the drainage groove 112 in a penetrating manner, a water supply pipeline 42 is communicated with the drainage end of the water supply pressurizing pump 41 in a penetrating manner, the water supply pipeline 42 is provided with a water supply electromagnetic valve 43, and the water supply electromagnetic valve 43 is used for controlling the opening and closing of the water supply pipeline 42;

[0080] The water supply pressurizing pump 41 is a vertical or horizontal high-pressure water pump, which can meet the pressurized water supply operation of urban and town household users, and the water supply pressurizing pump 41 is in penetrating communication with the drain groove 112 through the flange cooperation of a sealing gasket, the rotating speed of the water supply pressurizing pump 41 can be 1500-3000 revolutions per minute, the maximum flow of the water supply pressurizing pump 41 is 300-400 m 3 / minute, the water supply pressurizing pump 41 adopts IP67 level protection, and the water supply pressurizing pump 41 is fixed on the pump station support base 14 through fastening bolts.

[0081] The water supply electromagnetic valve 43 is used for controlling the opening and closing of the water supply pipeline 42, the pipeline protection mechanism 44 is arranged to fully protect the water supply electromagnetic valve 43, so that the side of the water supply electromagnetic valve 43 is depressurized when the water supply electromagnetic valve 43 is suddenly closed, thereby avoiding the "water hammer effect" to extrude the water supply electromagnetic valve 43 or the water supply pipeline 42, and ensuring the normal work of the urban water supply integrated pressurizing pump station, and the water supply electromagnetic valve 43 in the application can be a butterfly-shaped or spherical electromagnetic valve.

[0082] The pipeline protection mechanism 44, as shown in Figures 8-9 The pipeline protection mechanism 44 is used for protecting the water supply electromagnetic valve 43 and the water supply pipeline 42, and the pipeline protection mechanism 44 includes a main pressure relief cavity 441 and an expansion cavity 442, the first piston 444 is arranged in the main pressure relief cavity 441, the second piston 445 is slidably arranged in the expansion cavity 442, the main pressure relief cavity 441 and the expansion cavity 442 are both in communication with the exhaust pipe 443, the first piston 444 and the second piston 445 are connected through the linkage protection part 45, and the linkage protection part 45 is used for synchronously linking the first piston 444 and the second piston 445.

[0083] In the embodiment, the main pressure relief cavity 441 and the expansion cavity 442 are both fixed on the side wall or the top wall of the water supply pipeline 42 through flanges, and the main pressure relief cavity 441 and the expansion cavity 442 are both in penetrating communication with the water supply pipeline 42, in order to reduce the resistance to the first piston 444 and the second piston 445, the main pressure relief cavity 441 and the expansion cavity 442 are both circular cavities, and the first piston 444 and the second piston 445 are both circular plate structures, and the exhaust pipe 443 is in penetrating communication with the main pressure relief cavity 441 and the expansion cavity 442 through flanges respectively, in order to avoid the backflow of air, the one-way check valve is embedded in the exhaust pipe 443.

[0084] The pipeline protection mechanism 44 is arranged in the embodiment of the present application, and the pipeline protection mechanism 44 realizes expansion of the main pressure relief cavity 441 through the expansion cavity 442, and the first piston 444 driven by water flow can drive the linkage protection part 45 and the second piston 445 to move, so that the water supply pipeline 42 and the water supply electromagnetic valve 43 are fully protected. Compared with the existing water hammer eliminator, the pipeline protection mechanism 44 of the present application can eliminate the water hammer effect more fully.

[0085] As shown in the further preferred embodiment of the present application, Figure 8 The pipeline protection mechanism 44 further comprises:

[0086] The expansion buffer spring 446 is fixedly embedded in the expansion cavity 442, and the expansion buffer spring 446 is fixedly connected with the second piston 445, and the expansion buffer spring 446 is used for limiting protection of the second piston 445.

[0087] The at least one set of pressure relief buffer spring 447 is fixedly embedded in the main pressure relief cavity 441, and the pressure relief buffer spring 447 is fixedly connected with the first piston 444.

[0088] In the embodiment, the expansion buffer spring 446 and the pressure relief buffer spring 447 are arranged to respectively ensure the second piston 445 and the first piston 444 to have restoring force, and the second piston 445 and the first piston 444 can be respectively limited and protected, and the expansion buffer spring 446 and the pressure relief buffer spring 447 can be embedded in the expansion cavity 442 and the main pressure relief cavity 441 in a press-in or expansion-in mode, and as an alternative, hydraulic telescopic rods or spring telescopic rods can be used to replace the expansion buffer spring 446 and the pressure relief buffer spring 447.

[0089] As shown in the further preferred embodiment of the present application, Figures 10-11 The linkage protection part 45 comprises:

[0090] The linkage rack 451 is fixedly connected with the first piston 444.

[0091] The protection gear 452 is arranged on one side of the linkage rack 451, and the protection gear 452 is rotatably installed in the main pressure relief cavity 441.

[0092] The linkage protection rod 453 is fixedly connected with the protection gear 452, one end of the linkage protection rod 453 away from the protection gear 452 penetrates the main pressure relief cavity 441 and the expansion cavity 442 in sequence, and the linkage protection rod 453 is fixedly connected with the linkage turntable 454, and the linkage turntable 454 is arranged in the expansion cavity 442.

[0093] The linkage swing arm 455 is arranged on one side of the linkage turntable 454 and is arranged to rotate in the expansion cavity 442.

[0094] In the embodiment, the linkage rack 451 is longitudinally arranged on the first piston 444 and is fixedly connected with the first piston 444 by welding or tenon connection, the linkage rack 451 is slidably connected with the main pressure relief cavity 441, the protection gear 452 is in meshing transmission with the linkage rack 451, one side of the protection gear 452 is rotatably connected with the side wall of the main pressure relief cavity 441 through a rotating shaft or a ball bearing, the other side of the protection gear 452 is fixedly connected with the linkage protection rod 453 by welding or fastening bolts, the side wall of the linkage protection rod 453 is rotatably connected with the side walls of the main pressure relief cavity 441 and the expansion cavity 442 through bearings, the eccentric position of the linkage turntable 454 is slidably connected with the linkage swing arm 455, and the linkage driving block 456 is fixedly connected with the second piston 445 by buckling or riveting.

[0095] In operation, when the water supply electromagnetic valve 43 and the water supply pressurizing pump 41 are closed, the water flow in the water supply pipeline 42 impacts the water supply electromagnetic valve 43 and the water supply pipeline 42, the first piston 444 is impacted by the water flow and slides, so that the first piston 444 moves along the main pressure relief cavity 441, the pressure relief buffer spring 447 acts on the first piston 444, at the same time, the first piston 444 drives the linkage rack 451 to move upward, the linkage rack 451 drives the protection gear 452 to rotate, the protection gear 452 drives the linkage protection rod 453 and the linkage turntable 454 to rotate, so that the linkage turntable 454 drives the linkage swing arm 455 and the linkage driving block 456 to move, the linkage driving block 456 drives the second piston 445 to move upward along the expansion cavity 442, the gas in the main pressure relief cavity 441 and the expansion cavity 442 is discharged through the exhaust pipe 443, and the water supply pipeline 42 and the water supply electromagnetic valve 43 are protected.

[0096] In the further preferred embodiment of the present application, as shown in Figures 12-14 The pressurized water tank 11 is provided with an auxiliary driving assembly 5, which is used to drive the water body and assist the water body in being drawn in and disinfected.

[0097] The auxiliary driving assembly 5 comprises:

[0098] An auxiliary driving motor 51 is fixedly installed on the pressurized water tank 11;

[0099] The auxiliary driving motor 51 is fixed on the bottom of the pressurized water tank 11 by fastening bolts, and the auxiliary driving motor 51 is specifically a one-way asynchronous motor. Meanwhile, a pump controller 13 is arranged on the top of the pressurized water tank 11, and the pump controller 13 is electrically connected with the auxiliary driving motor 51, the water supply electromagnetic valve 43 and the water supply pressurizing pump 41 respectively.

[0100] An auxiliary driving shaft 52 is fixedly connected with the output end of the auxiliary driving motor 51, and the end of the auxiliary driving shaft 52 away from the auxiliary driving motor 51 penetrates through the pressurized water tank 11 and extends into the sterilization cavity 111;

[0101] At least one set of water body stirring part 53 is arranged, which is used for stirring and mixing the water body, and the water body stirring part 53 comprises a water body stirring paddle 531 and a stirring disturbance groove 532 arranged on the water body stirring paddle 531, and the water body stirring paddle 531 is fixedly installed on the auxiliary driving shaft 52;

[0102] The water body stirring paddle 531 is installed on the side wall of the auxiliary driving shaft 52 in counterclockwise direction, and the water body stirring paddle 531 is installed on the auxiliary driving shaft 52 through tenon joint or fastening bolts. The shape of the water body stirring paddle 531 can be dumbbell-shaped, inclined rectangular plate-shaped, circular plate-shaped or spiral-shaped structure. The stirring disturbance groove 532 is specifically a rectangular groove or a circular groove, and the arrangement of the stirring disturbance groove 532 helps to break the dynamic balance of water flow in the sterilization cavity 111, so that the water sterilization is more sufficient.

[0103] An auxiliary transmission part 54 is fixedly connected with the auxiliary driving shaft 52, and the auxiliary transmission part 54 comprises a transmission gear ring 541 and at least one set of transmission gears 542. The transmission gear ring 541 and the transmission gears 542 are in meshing transmission, the transmission gear ring 541 is fixedly connected with the auxiliary driving shaft 52, and the transmission gears 542 are rotatably installed in the sterilization cavity 111;

[0104] At least one set of water pumping protection part 55 is arranged in the water pumping assembly 3, which is used for assisting the work of the water pumping assembly 3 and protecting the water pumping assembly 3.

[0105] The transmission gear ring 541 is fixedly connected with the top of the auxiliary driving shaft 52 through tenon joint or fastening bolt connection, and the transmission gears 542 are symmetrically arranged at the upper edge of the transmission gear ring 541.

[0106] The auxiliary driving assembly 5 is provided with the water body stirring part 53, which can cooperate with the water body disinfecting assembly 2 to disinfect the water in the disinfection cavity 111, and the auxiliary transmission part 54 in the auxiliary driving assembly 5 can drive the water pumping protection part 55 to move, thereby assisting the water pumping assembly 3 to be pressurized, improving the water pumping efficiency, and on the other hand, when the water supply electromagnetic valve 43 is closed, the water pumping protection part 55 is reversely driven by the auxiliary driving motor 51, so that the pressure in the disinfection cavity 111 is reduced, thereby indirectly realizing the pressure reduction protection of the water pumping assembly 3 and the water supply assembly 4.

[0107] When the pump station body 1 pressurizes water supply, the auxiliary driving motor 51 is started, the auxiliary driving motor 51 drives the auxiliary driving shaft 52 to rotate, the auxiliary driving shaft 52 drives the water body stirring paddle 531 to rotate, thereby stirring the water in the disinfection cavity 111, the auxiliary driving shaft 52 also drives the transmission gear ring 541 to rotate, so that the transmission gear ring 541 drives the transmission gear 542 to rotate, the transmission gear 542 drives the water pumping treatment part 34 to move, thereby assisting the water pumping assembly 3 to be pressurized, improving the water pumping efficiency, then the water supply pressurizing pump 41 and the water supply electromagnetic valve 43 are started, the disinfected water enters the water supply pipeline 42 through the drain groove 112, thereby realizing the pressurized disinfection water supply work.

[0108] In the further preferred embodiment of the present application, as shown in Figure 1 The water pumping assembly 3 comprises:

[0109] The water pumping pipeline 31;

[0110] The water pumping pressurizing pump 32 in communication with the water pumping pipeline 31, the water pumping pressurizing pump 32 is fixedly installed on the pressurized water tank 11, and the water pumping pipeline 31 is provided with the pressure sensor 33, the pressure sensor 33 is electrically connected with the pump controller 13, and the pump controller 13 is electrically connected with the auxiliary driving motor 51, the water supply electromagnetic valve 43 and the water supply pressurizing pump 41 respectively;

[0111] The water pumping treatment part 34 in communication with the water pumping pressurizing pump 32, the water pumping treatment part 34 is used for purifying the pumped water.

[0112] In the embodiment, the water pumping pipe 31 is made of stainless steel or PVC, the water pumping pipe 31 is connected with the water pumping and pressurizing pump 32 through flange sealing, the water pumping and pressurizing pump 32 is electrically connected with the pump controller 13, the model and the specification of the water pumping and pressurizing pump 32 are same as those of the water supply and pressurizing pump 41, the water pumping and pressurizing pump 32 and the water supply and pressurizing pump 41 are cooperatively arranged to realize multi-stage pressurizing treatment of water flow, thereby ensuring the water pressure of water used by urban residents, and the water pumping pipe 31 is externally connected with the municipal water supply pipe network, the pressure sensor 33 is a water pressure sensor, which is arranged to detect the water pressure in the water pumping pipe 31, thereby determining whether the pressurizing work needs to be started.

[0113] The water pumping treatment part 34 is arranged in the application, which can ensure the cleanliness of water entering the pressurizing water tank 11 and the safety of water used by urban residents.

[0114] In the further preferred embodiment of the application, as shown in the figure, Figures 15-17 The water pumping treatment part 34 comprises:

[0115] The water pumping treatment seat 341 is fixedly installed on the pressurizing water tank 11, and one side of the water pumping treatment seat 341 is connected with the pressurizing water tank 11 through the water injection pipe 343;

[0116] The water filtering seat 342 is arranged in the water pumping treatment seat 341, which is used for filtering and purifying the pumped water, and the water pumping protection part 55 is arranged in the water pumping treatment seat 341.

[0117] The water pumping treatment seat 341 is a hollow circular seat, which is fixed to the outer sidewall of the pressurizing water tank 11 through rivets or welding, and the water filtering seat 342 is installed in the inner wall of the water pumping treatment seat 341 through buckling, the water filtering seat 342 can be one or more combinations of an activated carbon filter seat, a quartz sand filter seat, a fiber filter seat or a manganese sand filter seat, and the arrangement of the water filtering seat 342 ensures the cleanliness of the pumped water.

[0118] In the embodiment, the water pumping protection part 55 comprises:

[0119] The protection transmission shaft 551 is fixedly connected with the transmission gear 542 at one end, and the other end of the protection transmission shaft 551 penetrates the sidewall of the pressurizing water tank 11 and extends into the water pumping treatment seat 341;

[0120] The paddle mounting seat 552 is installed at the end of the protection transmission shaft 551;

[0121] The at least one group of water pumping paddles 553 is fixedly installed on the paddle mounting seat.

[0122] The middle part of the protection transmission shaft 551 is rotatably connected with the water pumping seat 341, the pressurized water tank 11 and the filtering seat through bearings respectively, and the end part of the protection transmission shaft 551 is fixedly connected with the paddle mounting seat 552 through buckles or fastening bolts, and the shape of the water pumping paddle 553 can be sickle-shaped, trapezoidal or folded-edge-shaped.

[0123] In operation, when the pressure sensor 33 detects that the water pressure in the water pumping pipeline 31 exceeds a preset threshold value (0.3-0.35 MPa), the pressure sensor 33 sends a pressurization instruction to the pump controller 13, and the pump controller 13 controls the water pumping pressurization pump 32, the water supply pressurization pump 41, the water supply electromagnetic valve 43 and the auxiliary driving motor 51 to be turned on in sequence; the water pumping pressurization pump 32 pumps the water in the water pumping pipeline 31 into the water pumping seat 341, the water filtering seat 342 purifies and filters the water, the filtered water is injected into the pressurized water tank 11 through the water injection pipe 343, at the same time, the transmission gear 542 drives the protection transmission shaft 551 to rotate, the protection transmission shaft 551 drives the paddle mounting seat 552 and the water pumping paddle 553 to assist in pumping the water, thereby reducing the pressure of the water pumping pressurization pump 32.

[0124] In the further preferred embodiment of the present application, as shown in Figure 1 and Figure 12 the embodiment of the present application further provides a water body disinfection assembly 2 for disinfecting the water in the disinfection cavity 111, and the water body disinfection assembly 2 comprises:

[0125] a chlorine injection pipe 21;

[0126] a disinfection gas pump 22 fixedly connected with the chlorine injection pipe 21, which is fixedly installed on the side wall of the pressurized water tank 11;

[0127] a water body disinfection part 23 arranged in the disinfection cavity 111, which is in communication with the disinfection gas pump 22 and is used for disinfecting the water in the disinfection cavity 111.

[0128] The chlorine injection pipe 21 is externally connected with a chlorine storage tank, the disinfection gas pump 22 is flange-sealedly connected with the chlorine injection pipe 21, and the exhaust end of the disinfection gas pump 22 is in through communication with the upper flow guide pipe 231.

[0129] In the embodiment, the water body disinfection part 23 comprises:

[0130] at least one group of upper flow guide pipes 231 arranged in the disinfection cavity 111 and in through communication with the disinfection gas pump 22, and a plurality of upper exhaust ports 235 are arranged on the upper flow guide pipe 231.

[0131] A lower flow guide pipe 233 is fixedly arranged in the sterilization cavity 111, and is in through communication with the upper flow guide pipe 231 through the flow guide branch pipe 232, and a plurality of groups of lower air outlets 234 are arranged on the upper wall of the lower flow guide pipe 233.

[0132] In the embodiment, the upper flow guide pipe 231 is provided with two groups, and is in a semicircular arc shape or a fan-shaped seat structure, the upper air outlets 235 are arranged on the side wall of the upper flow guide pipe 231, the lower flow guide pipe 233 is fixed in the sterilization cavity 111 through a clamp, the lower air outlets 234 are circumferentially and uniformly arranged on the upper wall of the lower flow guide pipe 233, the reverse check valves are arranged in the lower air outlets 234 and the upper air outlets 235, in working, the water suction pressurizing pump 32, the water supply pressurizing pump 41, the water supply electromagnetic valve 43 and the auxiliary driving motor 51 are opened, and then the sterilization gas pump 22 is started synchronously, the sterilization gas pump 22 sucks the chlorine gas in the chlorine gas injection pipe 21 into the upper flow guide pipe 231, the lower flow guide pipe 233 and the flow guide branch pipe 232, and then the chlorine gas is discharged through the upper air outlets 235 and the lower air outlets 234 respectively, and is fully mixed with the water in the sterilization cavity 111, so that the water is sterilized.

[0133] The water body sterilization assembly 2 can inject a certain amount of chlorine gas into the sterilization cavity 111, the chlorine gas reacts with the water to sterilize and purify the water, and the water body sterilization assembly 2 cooperates with the water body stirring part 53 to improve the sterilization efficiency and speed of the water.

[0134] In another working mode of the application, after the water supply electromagnetic valve 43 and the water supply pressurizing pump 41 are closed, the auxiliary driving motor 51 is reversed, the auxiliary driving shaft 52 is driven to rotate by the auxiliary driving motor 51, the transmission gear ring 541 and the transmission gear 542 are reversed by the auxiliary driving shaft 52, then the protection transmission shaft 551 is reversed by the transmission gear 542, and the water suction paddle 553 is reversed by the protection transmission shaft 551, so that the water suction paddle 553 discharges water outward, thereby reducing the pressure in the pressurized water tank 11 and the water supply pipeline 42.

[0135] On the other hand, as shown in Figure 18 The application further provides a method for using the integrated pressurizing pump station for urban water supply, and the method specifically comprises the following steps:

[0136] In step S10, when the pressure sensor 33 detects that the water pressure in the water suction pipeline 31 exceeds a preset threshold value, the pressure sensor 33 sends a pressurization instruction to the pump controller 13, and the pump controller 13 controls the water suction pressurizing pump 32, the water supply pressurizing pump 41, the water supply electromagnetic valve 43 and the auxiliary driving motor 51 to be opened in sequence.

[0137] Step S20, the water pump 32 into the water pipeline 31 water flow into the water treatment seat 341, water filter seat 342 water purification and filtration treatment, filtered water through the water injection pipe 343 into the pressurized water tank 11.

[0138] Step S30, auxiliary drive motor 51 drive the auxiliary drive shaft 52 rotation, auxiliary drive shaft 52 drive water stirring paddle 531 rotation, to achieve the stirring of the water in the disinfection chamber 111, auxiliary drive shaft 52 rotation can also drive the transmission gear ring 541 rotation, so that the transmission gear ring 541 drive transmission gear 542 rotation, transmission gear 542 drive the protection transmission shaft 551 rotation, protection transmission shaft 551 drive paddle mounting seat 552 and water pump paddle 553 rotation, so that the water treatment seat 341 negative pressure water pumping force, auxiliary water pump 32 into the water, reduce the pressure of the water pump 32, to achieve the auxiliary pressure of the water pump assembly 3.

[0139] Step S40, open the water supply pump 41 and water supply solenoid valve 43, the water after disinfection through the drain tank 112 into the water supply pipeline 42, to achieve the work of pressurized water supply after disinfection.

[0140] Step S50, when the water supply solenoid valve 43 and water supply pump 41 are closed, the water flow in the water supply pipeline 42 impact the water supply solenoid valve 43 and water supply pipeline 42, and the first piston 444 is impacted by the water flow and slides, so that the first piston 444 moves along the main pressure relief chamber 441, the pressure relief buffer spring 447 acts on the first piston 444, the first piston 444 drives the linkage rack 451 to move upward, the linkage rack 451 drives the protection gear 452 to rotate, the protection gear 452 drives the linkage protection rod 453 and the linkage turntable 454 to rotate, so that the linkage turntable 454 drives the linkage swing arm 455 and the linkage drive block 456 to move, the linkage drive block 456 drives the second piston 445 to move upward along the expansion chamber 442, the air in the main pressure relief chamber 441 and the expansion chamber 442 is discharged through the exhaust pipe 443, to achieve protection of the water supply pipeline 42 and the water supply solenoid valve 43.

[0141] In summary, the present application provides a kind of urban water supply integrated pressurized pump station and its use method, the pipeline protection mechanism 44 of the present application embodiment is provided, and the pipeline protection mechanism 44 is expanded to the expansion chamber 442 for realizing the expansion of the main pressure relief chamber 441, and the first piston 444 is driven by water flow to drive linkage protection part 45 and the second piston 445 to move, to achieve sufficient protection of the water supply pipeline 42 and the water supply solenoid valve 43, compared with the existing water hammer eliminator, the pipeline protection mechanism 44 of the present application is more sufficient for eliminating "water hammer effect".

[0142] It should be noted that, for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the order of the described actions, because according to the present application, certain steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0143] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the present application. Although the present application has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still combine, add or delete or make other adjustments to the features of the embodiments of the present application according to the circumstances without conflict and without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of protection of the present application.

Claims

1. An integrated booster pump station for urban water supply, comprising: The main body of the pump station (1) includes a pressurized water tank (11), a water tank fixing seat (12), and a pump station support seat (14). The water tank fixing seat (12) is fixedly installed on the pump station support seat (14). The pressurized water tank (11) is detachably installed in the water tank fixing seat (12). The pressurized water tank (11) is provided with a disinfection chamber (111) and a drainage trough (112). The feature is that the integrated water supply system includes a pumping component (3) and a water supply component (4), which are respectively connected to the pressurized water tank (11). The water supply component (4) includes: A water supply booster pump (41) is connected to the drainage trough (112), and a water supply pipe (42) is connected to the drainage end of the water supply booster pump (41). A water supply solenoid valve (43) is installed in the water supply pipe (42) and is used to control the opening and closing of the water supply pipe (42). Pipeline protection mechanism (44) is used to protect the water supply solenoid valve (43) and the water supply pipeline (42). The pipeline protection mechanism (44) includes a main pressure reducing chamber (441) and an expansion chamber (442). A first piston (444) is provided in the main pressure reducing chamber (441), and a second piston (445) is slidably provided in the expansion chamber (442). Both the main pressure reducing chamber (441) and the expansion chamber (442) are connected to an exhaust pipe (443). The first piston (444) and the second piston (445) are connected by a linkage protection part (45). The linkage protection part (45) is used to synchronously link the first piston (444) and the second piston (445). The linkage protection unit (45) includes: A linkage rack (451) is fixedly connected to the first piston (444); A protective gear (452) is provided on one side of the linkage rack (451), and the protective gear (452) is rotatably installed in the main pressure reducing chamber (441); A linkage protection rod (453) is fixedly connected to the protection gear (452). The end of the linkage protection rod (453) away from the protection gear (452) passes through the main decompression chamber (441) and the expansion chamber (442) in sequence, and is fixedly connected to a linkage turntable (454). The linkage turntable (454) is set in the expansion chamber (442). A linkage swing arm (455) is provided on one side of the linkage turntable (454). The linkage swing arm (455) is rotatably disposed in the expansion cavity (442). The linkage swing arm (455) is slidably connected to the linkage turntable (454) through a hinge block. A linkage drive groove (457) is provided in the linkage swing arm (455). A linkage drive block (456) is slidably disposed in the linkage drive groove (457). One end of the linkage drive block (456) is fixedly connected to the second piston (445).

2. The integrated urban water supply booster pump station as described in claim 1, characterized in that: The pipeline protection mechanism (44) also includes: An expansion buffer spring (446) is fixedly embedded in the expansion cavity (442). The expansion buffer spring (446) is fixedly connected to the second piston (445). The expansion buffer spring (446) is used for limiting and protecting the second piston (445). At least one set of pressure-reducing buffer springs (447) are fixedly embedded in the main pressure-reducing chamber (441) and fixedly connected to the first piston (444).

3. The integrated urban water supply booster pump station as described in claim 2, characterized in that: The pressurized water tank (11) is equipped with an auxiliary drive component (5), which is used to drive the water body and assist in the pumping and disinfection of the water body. The auxiliary drive component (5) includes: An auxiliary drive motor (51) is fixedly mounted on the pressurized water tank (11); An auxiliary drive shaft (52) is fixedly connected to the output end of the auxiliary drive motor (51). One end of the auxiliary drive shaft (52) away from the auxiliary drive motor (51) passes through the pressurized water tank (11) and extends into the disinfection chamber (111). At least one set of water mixing parts (53) are provided for mixing water. The water mixing parts (53) include a water mixing blade (531) and a stirring and turbulence groove (532) formed on the water mixing blade (531). The water mixing blade (531) is fixedly installed on the auxiliary drive shaft (52). An auxiliary transmission unit (54) is fixedly connected to the auxiliary drive shaft (52). The auxiliary transmission unit (54) includes a transmission gear ring (541) and at least one set of transmission gears (542). The transmission gear ring (541) and the transmission gears (542) mesh and transmit power. The transmission gear ring (541) is fixedly connected to the auxiliary drive shaft (52), while the transmission gears (542) are rotatably installed in the disinfection chamber (111). At least one set of pumping protection parts (55) is provided in the pumping assembly (3), the pumping protection parts (55) are used to assist the pumping assembly (3) in its operation and to protect the pumping assembly (3).

4. The integrated urban water supply booster pump station as described in claim 3, characterized in that: The pumping assembly (3) includes: Pumping pipe (31); A water pump (32) is connected to the water pumping pipe (31). The water pump (32) is fixedly installed on the pressurized water tank (11). A pressure sensor (33) is installed on the water pumping pipe (31). The pressure sensor (33) is electrically connected to the pump controller (13). The pump controller (13) is also electrically connected to the auxiliary drive motor (51), the water supply solenoid valve (43), and the water supply pump (41). A water treatment unit (34) connected to a water pump (32) is used for the purification treatment of the water body pumped in.

5. The integrated urban water supply booster pump station as described in claim 4, characterized in that: The pumping unit (34) includes: A water pumping station (341) is fixedly installed on the pressurized water tank (11), and one side of the water pumping station (341) is connected to the pressurized water tank (11) through a water injection pipe (343). A water filter seat (342) is provided inside the water pumping treatment seat (341). The water filter seat (342) is used for filtering and purifying the water body that is pumped in, and a water pumping protection unit (55) is provided inside the water pumping treatment seat (341).

6. The integrated urban water supply booster pump station as described in claim 5, characterized in that: The pumping protection unit (55) includes: A protective drive shaft (551) is provided, one end of which is fixedly connected to a transmission gear (542), and the other end of which penetrates the side wall of the pressurized water tank (11) and extends into the pumping treatment seat (341). A blade mounting base (552) is installed at the end of the protective drive shaft (551); At least one set of pumping blades (553) are fixedly mounted on the blade mounting base (552).

7. A method for using an integrated urban water supply booster pump station based on the integrated urban water supply booster pump station of claim 6, characterized in that: It includes: Step S10: When the pressure sensor (33) detects that the water pressure in the pumping pipe (31) exceeds the preset threshold, the pressure sensor (33) sends a pressurization command to the pump controller (13), and the pump controller (13) sequentially controls the pumping pressurization pump (32), the water supply pressurization pump (41), the water supply solenoid valve (43) and the auxiliary drive motor (51) to open. In step S20, the water pump (32) pumps the water in the water pumping pipe (31) into the water pumping treatment seat (341), the water filter seat (342) purifies and filters the water, and the filtered water is injected into the pressurized water tank (11) through the water injection pipe (343). In step S30, the auxiliary drive motor (51) drives the auxiliary drive shaft (52) to rotate, and the auxiliary drive shaft (52) drives the water stirring paddle (531) to rotate, thereby stirring the water in the disinfection chamber (111). The rotation of the auxiliary drive shaft (52) also drives the transmission gear ring (541) to rotate, which in turn drives the transmission gear (542) to rotate. The transmission gear (542) drives the protective transmission shaft (551) to rotate, and the protective transmission shaft (551) drives the paddle mounting seat (552) and the pumping paddle (553) to rotate, thereby generating negative pressure pumping force in the water treatment seat (341), and the auxiliary pumping pressurization pump (32) draws in water, reducing the pressure of the pumping pressurization pump (32) and achieving auxiliary pressurization of the pumping assembly (3). In step S40, the pump controller (13) automatically turns on the water supply pressurization pump (41) and the water supply solenoid valve (43). The disinfected water enters the water supply pipeline (42) through the drainage trough (112) to realize the water supply operation after pressurization and disinfection. In step S50, after the pump controller (13) automatically controls the water supply solenoid valve (43) and the water supply booster pump (41) to close, the water flow in the water supply pipe (42) impacts the water supply solenoid valve (43) and the water supply pipe (42), and the first piston (444) slides due to the impact of the water flow, causing the first piston (444) to move along the main pressure reducing chamber (441). The pressure reducing buffer spring (447) acts on the first piston (444), and the first piston (444) drives the linkage rack (451) to move upward. The protective gear (452) is driven to rotate, which in turn drives the linkage protective rod (453) and the linkage turntable (454) to rotate. This causes the linkage turntable (454) to drive the linkage swing arm (455) and the linkage drive block (456) to move. The linkage drive block (456) drives the second piston (445) to move upward along the expansion chamber (442). The air in the main pressure reducing chamber (441) and the expansion chamber (442) is discharged through the exhaust pipe (443), thus protecting the water supply pipe (42) and the water supply solenoid valve (43).

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