CN112012270B - Energy-saving mute pressure-superposed water supply device for community water supply - Google Patents

Energy-saving mute pressure-superposed water supply device for community water supply Download PDF

Info

Publication number
CN112012270B
CN112012270B CN202010868897.5A CN202010868897A CN112012270B CN 112012270 B CN112012270 B CN 112012270B CN 202010868897 A CN202010868897 A CN 202010868897A CN 112012270 B CN112012270 B CN 112012270B
Authority
CN
China
Prior art keywords
water
pressure
water supply
pipe
buffer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010868897.5A
Other languages
Chinese (zh)
Other versions
CN112012270A (en
Inventor
蒋介中
王奇
吴雪峰
程晋波
陈超
姚介新
朱晓鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Kangyu Water Treatment Equipment Co ltd
Original Assignee
Wuxi Kangyu Water Treatment Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Kangyu Water Treatment Equipment Co ltd filed Critical Wuxi Kangyu Water Treatment Equipment Co ltd
Priority to CN202010868897.5A priority Critical patent/CN112012270B/en
Publication of CN112012270A publication Critical patent/CN112012270A/en
Application granted granted Critical
Publication of CN112012270B publication Critical patent/CN112012270B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • E03B1/02Methods or layout of installations for water supply for public or like main supply for industrial use
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/074Arrangement of water treatment devices
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/075Arrangement of devices for control of pressure or flow rate

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pipe Accessories (AREA)

Abstract

The invention discloses an energy-saving mute pressure-superposed water supply device for community water supply, which comprises a water inlet main pipe, a steady flow tank, a negative pressure eliminator, a mute pump assembly and a control cabinet. The inside of stationary flow jar divide into the water storage chamber that is located the top and the cushion chamber that is located the below, and cushion chamber and water storage chamber pass through the pressure release pipe intercommunication, and the cushion intracavity is equipped with the decompression buffering subassembly of connection bottom in the stationary flow jar, and water storage chamber and cushion chamber link to each other with water distribution house steward or water outlet header respectively, and the silence pump subassembly is connected with water distribution house steward and is carried out the pressure boost to the running water after through water outlet header delivery to each delivery point user. The invention can adjust the water supply mode according to different detected water pressure states, can solve the problem of damage to a community water supply system and user equipment caused by the fluctuation of the water pressure and the flow of a municipal water source, and has the advantages of stable operation, high reliability, energy conservation, environmental protection, small occupied area, silence, comfort and the like.

Description

Energy-saving mute pressure-superposed water supply device for community water supply
Technical Field
The invention belongs to the technical field of water supply equipment, and particularly relates to an energy-saving mute pressure-superposed water supply device for community water supply.
Background
At present, domestic district water supply system adopts no negative pressure water supply or water tank pressure boost water supply mode mostly, and wherein, no negative pressure water supply is that one kind can be directly connected with the running water pipe network, directly stacks on municipal pipe network pressure's basis and supplies water to the energy saving can detect running water pipe pressure, guarantees that it when water supply peak official website water yield water pressure can't satisfy the settlement pressure, promotes its water pressure, uses normally in order to guarantee the user. The water tank pressurization mode water tank water is generally supplied by a tap water pipe network, so that pressurized water becomes zero after entering the water tank, and energy waste is caused.
However, most water supply devices consider the problem of how to stably pressurize due to insufficient water pressure, but do not fully consider other problems of unstable water supply, for example, when the occupancy rate of users in a community is low and the water consumption is low, the conditions of low water consumption of users, low pressure demand of a pipe network and waste of pressure interference exist.
In addition, municipal water supply pressure is not completely stable, and except that the water quantity is less than the pressure, the problem of high water quantity due to overhigh pressure is also solved, so that water supply equipment of a community is easily damaged, and the energy consumption of the equipment is aggravated. Therefore, there is a need for an energy-saving, environmentally friendly, silent and stable water supply device to meet the use requirements.
Disclosure of Invention
Aiming at the technical problems, the invention provides an energy-saving mute pressure-superposed water supply device for community water supply.
The technical scheme of the invention is as follows: an energy-saving mute pressure-superposed water supply device for community water supply, comprising:
the water inlet main pipe is connected with a municipal water supply pipe, and the water inlet main valve, the negative pressure meter and the basket filter are sequentially connected in series on the water inlet main pipe;
the flow-stabilizing device comprises a flow-stabilizing tank, wherein a flow isolating plate is arranged below the flow-stabilizing tank, the flow isolating plate divides the interior of the flow-stabilizing tank into an upper water storage cavity and a lower buffer cavity, a first water pressure detection meter is arranged outside the flow-stabilizing tank and used for detecting the water pressure in the water storage cavity, and a liquid level sensor is used for monitoring the water level;
the side wall of the steady flow tank is provided with a water inlet communicated to the water storage cavity, the water inlet is connected with a water inlet main pipe, the bottom of the water storage cavity is provided with a water outlet penetrating through the side wall of the steady flow tank, the water outlet is connected with a connecting pipe head, a first water outlet port of the connecting pipe head is connected with a water distribution main pipe, a second water outlet port is communicated with the buffer cavity and the water storage cavity through a pressure relief pipe, the pressure relief pipe is provided with a first valve, a pressure relief buffer assembly connected to the bottom of the steady flow tank is arranged in the buffer cavity, one side of the upper part of the buffer cavity is provided with a flow relief port penetrating through the side wall of the steady flow tank, the flow relief port is connected with;
the negative pressure eliminator is positioned at the top of the flow stabilizing tank and connected with the water storage cavity through a vent pipe and is used for inhibiting negative pressure generated in the flow stabilizing tank;
the silencing pump assembly comprises two stable boxes, a pump body and a noise reduction mechanism, wherein the pump body is positioned above the stable boxes, the noise reduction mechanism is positioned below the pump body and used for reducing noise; and the number of the first and second groups,
a switch board for carrying out intelligent control to water supply system.
Furthermore, the connector head is a four-way pipe, a third water outlet port of the four-way pipe is directly connected to the water outlet main pipe through a straight-flow pipe, and a third valve is arranged on the straight-flow pipe.
Furthermore, a pressure regulating valve and a second water pressure detection meter are sequentially arranged on a main pipe section of the drainage manifold close to the drainage port, a fourth valve and a first check valve are arranged on a branch pipe section of the drainage manifold connected to the water distribution main pipe, and a fifth valve and a third check valve are arranged on a branch pipe section of the drainage manifold connected to the water outlet main pipe. The pressure regulating valve adjusts the pressure threshold value to the set pressure range of the water supply system in a mode of regulating the circulation aperture, the pressure regulating valve intercepts part of high pressure in the pressure reducing buffer assembly to offset, the water pressure flowing out of the pressure regulating valve is not more than the water supply pressure threshold value, when the second water pressure detection meter detects that the water pressure is lower than the pressure threshold value after the water pressure is subjected to pressure reducing buffer, the fourth valve is opened to send water into the silencing pump assembly through the water distribution main pipe to be pressurized and then to be discharged into the water outlet main pipe to the water distribution point, when the second water pressure detection meter detects that the water pressure is in the pressure threshold value range after the water pressure is subjected to pressure reducing buffer, the fifth valve is opened to directly send water into the water outlet main pipe to.
Furthermore, a third water pressure detection meter is arranged at the position, close to the water distribution point, of the water outlet main pipe. And the third water pressure detection meter on the water outlet main pipe is used for detecting the water pressure condition finally entering the water distribution point, and is convenient to feed back to the control cabinet for timely regulation and control.
Further, decompression buffering subassembly is including the buffer disk that is located the cushion chamber, the buffer disk passes through rubber ring sealing sliding connection with the inner wall of cushion chamber, the bottom of buffer disk is the steel sheet, the top is the sheet rubber, be equipped with a plurality of longitudinal arrangement's compression spring between sheet rubber and steel sheet, stationary flow tank bottoms portion is equipped with hydraulic drive machine, hydraulic drive machine is including being located outside flexible urceolus, and be located the inside flexible push rod of flexible urceolus, flexible urceolus and flexible push rod intussuseption are filled with damping fluid, stationary flow tank bottoms portion and buffer disk bottom fixed connection are run through to flexible push rod's top. Carry out increase-volume pressure release to high-pressure rivers through compression spring and the telescopic sleeve structure that fills there is damping fluid, when the too high velocity of flow of water pressure is too fast, open the first valve on the pressure release pipe, introduce cushion chamber with rivers, rivers extrusion cushion disc moves down, earlier carry out one stroke buffering pressure release through the inside compression spring of cushion disc, resume the downstream movement again and enlarge the cushion chamber available space and slow down the velocity of water flow, and carry out secondary buffering pressure release to water pressure with the help of damping fluid, the impact of high water pressure to the water storage chamber that can significantly reduce, improve the life of stationary flow jar, rivers after twice buffering pressure release flow to water distribution house steward or play water house steward through the pressure release manifold. When the water pressure is normal, the first valve is closed, and the hydraulic driver is started to drive the telescopic push rod to extend upwards so that the buffer disc is reset to extrude residual liquid.
Further, the negative pressure eliminator comprises a shell, the lower end of the shell is fixedly connected with the vent pipe, two upper conical cavity bodies and two lower conical cavity bodies which form an hourglass shape are arranged in the shell, a communication port is arranged between the upper conical cavity bodies and the lower conical cavity bodies, a mesh plate for water and air permeation is arranged at the bottom of the lower conical cavity body, a fixed sleeve and a telescopic sleeve positioned in the fixed sleeve are arranged on the mesh plate, a floating ball for plugging the communication port is connected to the top of the telescopic sleeve, a horizontal floating plate for balancing and stabilizing is arranged at the bottom of the floating ball, when the floating ball upwards floats to plug the communication port due to buoyancy, the outer edge of the horizontal floating plate is in airtight contact with the inner wall of the lower conical cavity body, a reset spring is connected to the bottom of the fixed sleeve through the telescopic sleeve, a dust removal filter screen is arranged in the upper conical cavity body, the other end is connected with an air pump for forcibly supplying air to the steady flow tank. When negative pressure appears when the water level in the flow stabilizing tank is reduced, the water level can be reduced by buoyancy, the floating ball can be pulled back by dead weight and the reset spring, the communication port is opened to be communicated with the external bidirectional inlet to introduce external air to eliminate the negative pressure, or the air pump is directly used for forcibly and quickly supplementing air to eliminate the negative pressure. When the air pressure in the steady flow tank is normal, the water quantity can overflow upwards through the vent pipe, reach the lower conical cavity horizontal floating plate through the mesh plate, and the floating ball floats upwards under the buoyancy of water until the floating ball blocks the communication port, the horizontal floating plate is in airtight contact with the inner wall of the lower conical cavity to form secondary blocking, the sealing performance is good, and the horizontal floating plate, the fixed sleeve and the telescopic sleeve can also ensure that the floating ball cannot deviate under the hydraulic impact so as not to form sealing connection with the communication port.
Further, the noise reduction mechanism comprises an upper top plate used for supporting the pump body, a lower bottom plate arranged at the bottom of the stable box body and a rubber pipe connected between the upper top plate and the lower bottom plate in a wavy manner, the rubber pipe is filled with foamed polypropylene beads used for absorbing sound, two ends of the rubber pipe penetrate through the outer wall of the stable box body and are internally provided with intercepting nets, and sound absorbing cotton pads are arranged on the outer surfaces of the upper top plate and the lower bottom plate. Earlier through inhaling the vibration that the cotton pad slowed down pump body during operation of sound to tentatively adsorb noise at work, sound conduction and through rubber tube and inside expanded polypropylene bead secondary amortization discharge afterwards, noise and the noise that rivers work produced that can greatly reduced pump body work vibration produced.
Furthermore, the water inlet pipe is spirally wound on the outer side of the stable box body and used for performing water cooling on the pump body. Through the increase with the area of contact of firm box, utilize running water low temperature to replace the forced air cooling, not only can reduce cooling noise can also improve pump body life.
Furthermore, a drainage valve is arranged on the outer side of the steady flow tank close to the bottom of the water storage cavity.
The invention has the beneficial effects that:
(1) the negative pressure eliminator arranged at the top of the flow stabilizing tank can realize double plugging of the communication port through the floating ball and the horizontal floating plate at the bottom of the floating ball, so that the sealing performance of the flow stabilizing tank is ensured, the stability of the floating ball is also ensured, the reaction is fast, forced ventilation can be carried out by the aid of the air pump, and the negative pressure condition in the flow stabilizing tank is fast solved.
(2) The interior of the steady flow tank is divided into the water storage cavity and the buffer cavity which are communicated with each other, the pressure reduction buffer assembly is arranged in the buffer cavity, and the high-pressure water flow is subjected to capacity increasing and pressure releasing through the compression spring and the telescopic sleeve structure filled with damping fluid, so that the high-pressure impact of the high-pressure water flow on the steady flow tank can be prevented, and the service life of the steady flow tank is greatly prolonged.
(3) The mute pump assembly utilizes the noise reduction structure to eliminate the noise generated by the working vibration of the pump body and the noise generated by the working of water flow, and can reduce the noise interference to residents in a community.
In a word, the invention can adjust the water supply mode according to different detected water pressure states, can solve the problem of damage to a community water supply system and user equipment caused by the fluctuation of the water pressure and the flow of a municipal water source, and has the advantages of stable operation, high reliability, energy conservation, environmental protection, small occupied area, silence, comfort and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a diagram showing the normal pressure operation of the negative pressure eliminator in the present invention;
FIG. 3 is a diagram showing the negative pressure operation state of the negative pressure eliminator in the present invention;
FIG. 4 is a schematic view of the internal structure of the silent pump assembly of the present invention;
fig. 5 is a schematic structural view of a silent pump assembly in embodiment 2 of the present invention.
Wherein, 1-water inlet main pipe, 2-water inlet main valve, 3-negative pressure meter, 4-basket filter, 5-steady flow tank, 6-flow baffle, 7-water storage cavity, 8-buffer cavity, 9-first water pressure detecting meter, 10-liquid level sensor, 11-water inlet, 12-water outlet, 13-connector head, 14-water distribution main pipe, 15-pressure relief pipe, 16-first valve, 17-pressure relief buffer component, 18-flow outlet, 19-flow relief manifold, 20-water outlet main pipe, 21-second valve, 22-negative pressure eliminator, 23-silent pump, 24-stable box, 25-pump body, 26-noise reduction mechanism, 27-water inlet connector, 28-water outlet connector, 29-water outlet pipe, 30-water distribution point, 31-second check valve, 32-control cabinet, 33-straight-flow pipe, 34-third valve, 35-pressure regulating valve, 36-second water pressure detecting meter, 37-fourth valve, 38-first check valve, 39-fifth valve, 40-third check valve, 41-third water pressure detecting meter, 42-buffer disc, 43-compression spring, 44-hydraulic driver, 45-telescopic outer cylinder, 46-telescopic push rod, 47-vent pipe, 48-shell, 49-upper conical cavity, 50-lower conical cavity, 51-mesh plate, 52-communication port, 53-fixed sleeve, 54-telescopic sleeve, 55-floating ball, 56-horizontal floating plate, 57-return spring, 58-dust removing filter screen, 59-a bidirectional inlet, 60-an air pump, 61-an upper top plate, 62-a lower bottom plate, 63-a rubber pipe, 64-a sound-absorbing cotton pad, 65-an interception net, 66-expanded polypropylene beads, 67-a water inlet pipe and 68-a drain valve.
Detailed Description
Example 1
As shown in fig. 1, an energy-saving mute pressure-superposed water supply device for community water supply comprises: the water inlet main pipe 1 connected with the municipal water supply pipe is sequentially connected with a water inlet main valve 2, a negative pressure meter 3 and a basket filter 4 on the water inlet main pipe 1 in series. And a control cabinet 32 for intelligently controlling the water supply system.
The water level monitoring device comprises a flow stabilizing tank 5, wherein a flow isolating plate 6 is arranged below the inside of the flow stabilizing tank 5, the flow isolating plate 6 divides the inside of the flow stabilizing tank 5 into a water storage cavity 7 positioned above and a buffer cavity 8 positioned below, a first water pressure detection meter 9 positioned outside the flow stabilizing tank 5 and used for detecting the water pressure inside the water storage cavity 7, and a liquid level sensor 10 used for monitoring the water level height; and a drain valve 68 is arranged on the outer side of the steady flow tank 5 close to the bottom of the water storage cavity 7.
As shown in fig. 1, a water inlet 11 communicated to the water storage cavity 7 is arranged on the upper side wall of the steady flow tank 5, the water inlet 11 is connected to the water inlet main 1, a water outlet 12 penetrating through the side wall of the steady flow tank 5 is arranged at the bottom of the water storage cavity 7, the water outlet 12 is connected to a connector head 13, a first water outlet port of the connector head 13 is connected to the water distribution main 14, a second water outlet port is communicated with the buffer cavity 8 and the water storage cavity 7 through a pressure relief pipe 15, the connector head 13 is a four-way pipe, a third water outlet port of the four-way pipe is directly connected to the water outlet main 20 through a direct current pipe 33. The pressure relief pipe 15 is provided with a first valve 16, the buffer cavity 8 is internally provided with a pressure relief buffer assembly 17 connected to the bottom in the flow stabilization tank 5, one side of the upper part of the buffer cavity 8 is provided with a pressure relief port 18 penetrating through the side wall of the flow stabilization tank 5, the pressure relief port 18 is connected with the water distribution main pipe 14 or the water outlet main pipe 20 through a pressure relief manifold 19, and the position of the water distribution main pipe 14 close to the first water outlet port is provided with a second valve 21; the manifold section of the drain manifold 19 near the drain port 18 is provided with a pressure regulating valve 35 and a second water pressure detecting gauge 36 in this order, the branch section of the drain manifold 19 connected to the water distribution manifold 14 is provided with a fourth valve 37 and a first check valve 38, and the branch section of the drain manifold 19 connected to the water outlet manifold 20 is provided with a fifth valve 39 and a third check valve 40.
As shown in fig. 1, the decompression buffering assembly 17 includes a buffering disc 42 located in the buffering cavity 8, the buffering disc 42 is connected with the inner wall of the buffering cavity 8 through a rubber ring in a sealing and sliding manner, the bottom of the buffering disc 42 is a steel plate, the top of the buffering disc 42 is a rubber sheet, a plurality of longitudinally arranged compression springs 43 are arranged between the rubber sheet and the steel plate, a hydraulic driver 44 is arranged at the bottom of the steady flow tank 5, the hydraulic driver 44 includes an external telescopic outer cylinder 45 and a telescopic push rod 46 located inside the telescopic outer cylinder 45, the telescopic outer cylinder 45 and the telescopic push rod 46 are filled with damping fluid, and the top of the telescopic push rod 46 penetrates through the bottom of the steady flow tank 5 and the bottom of the buffering disc. The high-pressure water flow is subjected to capacity increasing and pressure releasing through the compression spring 43 and the telescopic sleeve 54 structure filled with damping fluid.
As shown in fig. 1, the negative pressure eliminator 22 is located at the top of the flow stabilizing tank 5 and connected with the water storage cavity 7 through a vent pipe 47, and is used for inhibiting the negative pressure generated in the flow stabilizing tank 5; as shown in fig. 2 and 3, the negative pressure eliminator 22 includes a housing 48 having a lower end fixedly connected to a vent pipe 47, two upper conical cavities 49 and a lower conical cavity 50 forming an hourglass shape are provided in the housing 48, a communication port 52 is provided between the upper conical cavity 49 and the lower conical cavity 50, a mesh plate 51 for water and air permeability is provided at the bottom of the lower conical cavity 50, a fixed sleeve 53 is provided on the mesh plate 51, a telescopic sleeve 54 is provided in the fixed sleeve 53, a floating ball 55 for blocking the communication port 52 is connected to the top of the telescopic sleeve 54, a horizontal floating plate 56 for balancing and stabilizing is provided at the bottom of the floating ball 55, when the floating ball 55 is blocked by floating force, the outer edge of the horizontal floating plate 56 is in airtight contact with the inner wall of the lower conical cavity 50, a return spring 57 is connected to the bottom of the floating ball 55, the return spring 57 is connected to the bottom of the fixed sleeve 53 through the telescopic sleeve 54, the upper end of the upper conical cavity 49 is provided with a bidirectional inlet 59, one end of the bidirectional inlet 59 is connected with the outside atmosphere, and the other end is connected with an air pump 60 for forcibly supplying air to the flow stabilizing tank 5.
As shown in fig. 1, the silent pump assembly 23 for pressurizing a water supply system, the silent pump assembly 23 includes two stable boxes 24, a pump body 25 located above the stable box 24 and a noise reduction mechanism 26 located below the pump body 25 for reducing noise, the pump body 25 is provided with a water inlet connector 27 and a water outlet connector 28 penetrating the top of the stable box 24, the water inlet connector 27 is connected to the water distribution main 14 through a water inlet pipe 67, the water outlet connector 28 is connected to the water outlet main 20 through a water outlet pipe 29, the water outlet main 20 is connected to a water distribution point 30, and the water outlet pipe 29 is provided with a second check valve 31; as shown in fig. 1, a third water pressure detecting meter 41 is disposed at the outlet main pipe 20 near the water distribution point 30. The third water pressure detecting meter 41 on the water outlet main pipe 20 is used for detecting the water pressure condition finally entering the water distribution point 30, and is convenient to feed back to the control cabinet 32 for timely regulation and control. As shown in fig. 4, the noise reduction mechanism 26 includes an upper top plate 61 for supporting the pump body 25, a lower bottom plate 62 disposed at the bottom of the stabilizing box 24, and a rubber tube 63 connected between the upper top plate 61 and the lower bottom plate 62 in a wavy shape, wherein the rubber tube 63 is filled with expanded polypropylene beads 66 for absorbing sound, two ends of the rubber tube 63 penetrate through the outer wall of the stabilizing box 24 and are provided with intercepting nets 65, and sound absorbing cotton pads 64 are disposed on the outer surfaces of the upper top plate 61 and the lower bottom plate 62. Noise generated by the operation vibration of the pump body 25 and noise generated by the operation of the water flow can be greatly reduced.
The working principle of the embodiment is as follows:
(1) firstly, a water inlet main valve 2 is opened, tap water is connected to a water inlet main pipe 1 of a water supply system of a community from a municipal water pipe, impurities are filtered by a basket filter 4, then the tap water flows into a water storage cavity 7 of a steady flow tank 5 from a water inlet 11, negative pressure phenomenon easily occurs when water is just fed, or when negative pressure occurs due to water level reduction in the using process, the water level can drop, buoyancy is reduced, a floating ball 55 can be pulled back by self weight and a reset spring 57, a communication port 52 is opened to be communicated with an external bidirectional inlet 59 to introduce external air to eliminate negative pressure, or the external air is directly and rapidly supplemented with air through an air pump 60 to eliminate the negative pressure. When the air pressure in the flow stabilization tank 5 is normal, the water quantity overflows upwards through the vent pipe 47, reaches the horizontal floating plate 56 of the lower conical cavity 50 and the floating ball 55 floats upwards under the buoyancy of the water until the floating ball 55 blocks the communication port 52, the horizontal floating plate 56 is in sealed contact with the inner wall of the lower conical cavity to form secondary blocking, so that good sealing performance is ensured, and the horizontal floating plate 56, the fixed sleeve 53 and the rope sleeve can ensure that the floating ball 55 cannot deviate under the hydraulic impact so as not to form sealed connection with the communication port 52.
(2) When the first water pressure detecting meter 9 detects that the water pressure in the water storage cavity 7 is within a normal value, the second valve 21 is opened, tap water flows to the water distribution header pipe 14 through the water outlet 12, flows to the water inlet connector 27 through the water inlet pipe 67, flows to the water outlet header pipe 20 through the water outlet pipe 29 after being pressurized by the pump body 25, and is finally distributed to users of the water distribution points 30. The pump body 25 can produce the noise at the during operation, and noise reduction mechanism 26 slows down the vibration of the pump body 25 during operation through inhaling the cotton pad 64 earlier to tentatively adsorb operating noise, sound conduction and through the rubber tube 63 and the inside expanded polypropylene bead 66 secondary amortization discharge of inside afterwards, noise and the noise that rivers work and produce that can the greatly reduced pump body 25 operating vibration produces.
(3) When the first water pressure detecting meter 9 detects that the water pressure in the water storage cavity 7 is within the range of the first-level high-pressure threshold value higher than the normal water pressure, and the water pressure can meet the requirement of direct water supply, when the water pressure is not pressurized by the pump body 25, the third valve 34 is opened, and the tap water in the water storage cavity 7 is directly led to the water outlet main pipe 20 to be distributed to users of the water distribution points 30. Therefore, the working energy consumption of the pump body 25 can be saved, the bearing pressure of the steady flow tank 5 is reduced, when the third water pressure detection meter 41 detects that the final water pressure is insufficient, the second valve 21 is directly switched to be opened, and the pump body 25 is adopted for pressurizing water supply.
When the first water pressure detection meter 9 detects that the water pressure in the water storage cavity 7 is within the range of the second-level high-pressure threshold value higher than the normal water pressure, namely higher than the direct water supply pressure, the buffering, pressure relief and adjustment are required. At this time, the first valve 16 is opened, the high-pressure water flow is drained to the buffer cavity 8 through the pressure relief pipe 15, the water flow extrudes the buffer disc 42 to move downwards, the high-pressure water flow passes through the compression spring 43 in the buffer disc 42 for first-time buffering and pressure relief, then continues to move downwards to enlarge the available space of the buffer cavity 8 to slow down the flow rate of the water flow, and the water pressure is secondarily buffered and pressure relieved by the damping fluid, so that the impact of the high-pressure water pressure on the water storage cavity 7 can be greatly reduced, the service life of the steady flow tank 5 is prolonged, the water flow after twice buffering and pressure relief passes through the flow relief manifold 19, the flow aperture of the pressure regulating valve 35 is adjusted in advance to adjust the pressure threshold value to the set pressure range of the water supply system, in order to intercept the high-pressure water flow in the pressure reduction buffer assembly 17 to offset partial high pressure, the water pressure flowing out from the pressure, the fourth valve 37 is opened to send water into the noise reduction pump assembly through the water distribution header pipe 14 for pressurization, and then the water is discharged into the water outlet header pipe 20 to the water distribution point 30, and when the second water pressure detection meter 36 detects that the water flow pressure is within the pressure threshold range after decompression and buffering, the fifth valve 39 is opened to directly send water into the water outlet header pipe 20 to the water distribution point 30 without pressurization. When the water pressure is normal, the first valve 16 is closed, the hydraulic driver 44 is opened to drive the telescopic push rod 46 to extend upwards, and the buffer disc 42 is reset to extrude residual liquid.
Example 2
This embodiment is substantially the same as embodiment 1, except that as shown in fig. 5, a water inlet pipe 67 is spirally wound on the outside of the stable box 24 for cooling the pump body 25 by water cooling. Through increase and firm box 24's area of contact, utilize running water low temperature to replace the forced air cooling, not only can reduce cooling noise can also improve pump body 25 life.

Claims (8)

1. An energy-saving silence pressure-superposed water supply device for community water supply is characterized by comprising:
the water inlet main pipe (1) is connected with a municipal water supply pipe, and the water inlet main valve (2), the negative pressure meter (3) and the basket filter (4) are sequentially connected with the water inlet main pipe (1) in series;
the water level monitoring device comprises a steady flow tank (5), wherein a flow isolating plate (6) is arranged below the steady flow tank (5), the flow isolating plate (6) divides the interior of the steady flow tank (5) into a water storage cavity (7) positioned above and a buffer cavity (8) positioned below, a first water pressure detection meter (9) which is positioned outside the steady flow tank (5) and used for detecting the water pressure in the water storage cavity (7) and a liquid level sensor (10) used for monitoring the water level height;
the side wall of the steady flow tank (5) is provided with a water inlet (11) communicated to the water storage cavity (7), the water inlet (11) is connected with the water inlet main pipe (1), the bottom of the water storage cavity (7) is provided with a water outlet (12) communicated with the side wall of the steady flow tank (5), the water outlet (12) is connected with a connecting pipe head (13), a first water outlet port of the connecting pipe head (13) is connected with the water distribution main pipe (14), a second water outlet port is communicated with the buffer cavity (8) and the water storage cavity (7) through a pressure relief pipe (15), the pressure relief pipe (15) is provided with a first valve (16), a pressure reduction buffer assembly (17) connected to the inner bottom of the steady flow tank (5) is arranged in the buffer cavity (8), one side of the upper part of the buffer cavity (8) is provided with a flow relief port (18) communicated with the side wall of the steady flow tank (5), and the flow relief port (18) is connected with the water distribution main, a second valve (21) is arranged at the position, close to the first water outlet port, of the water distribution main pipe (14);
the negative pressure eliminator (22) is positioned at the top of the flow stabilizing tank (5) and is connected with the water storage cavity (7) through a vent pipe (47) and used for inhibiting negative pressure generated in the flow stabilizing tank (5);
the silencing pump assembly (23) is used for pressurizing a water supply system, the silencing pump assembly (23) comprises two stabilizing boxes (24), a pump body (25) located above the stabilizing boxes (24) and a noise reduction mechanism (26) located below the pump body (25) and used for reducing noise, the pump body (25) is provided with a water inlet connecting port (27) and a water outlet connecting port (28) penetrating through the top of the stabilizing boxes (24), the water inlet connecting port (27) is connected to a water distribution main pipe (14) through a water inlet pipe (67), the water outlet connecting port (28) is connected to the water outlet main pipe (20) through a water outlet pipe (29), the water outlet main pipe (20) is connected to a water distribution point (30), and a second check valve (31) is arranged on the water outlet pipe (29); and the number of the first and second groups,
and the control cabinet (32) is used for intelligently regulating and controlling the water supply system.
2. An energy-saving mute pressure-superposed water supply device for community water supply according to claim 1, characterized in that the connector (13) is a four-way pipe, the third water outlet of the four-way pipe is directly connected to the water outlet main pipe (20) through a straight-through pipe (33), and a third valve (34) is arranged on the straight-through pipe (33).
3. An energy-saving silent pressure-superposed water supply device for community water supply, as claimed in claim 1, characterized in that the main pipe section of the drainage manifold (19) near the drainage port (18) is provided with a pressure regulating valve (35) and a second water pressure detecting meter (36) in turn, the branch pipe section of the drainage manifold (19) connected to the water distribution main pipe (14) is provided with a fourth valve (37) and a first check valve (38), and the branch pipe section of the drainage manifold (19) connected to the water outlet main pipe (20) is provided with a fifth valve (39) and a third check valve (40).
4. The energy-saving mute pressure-superposed water supply device for the community water supply as claimed in claim 1, characterized in that the outlet main (20) is provided with a third water pressure detection meter (41) near the water distribution point (30).
5. The energy-saving mute laminated water supply device for supplying water to the residential area as claimed in claim 1, wherein the pressure reducing buffer assembly (17) comprises a buffer disk (42) located in the buffer chamber (8), the buffer disk (42) is in sealed sliding connection with the inner wall of the buffer chamber (8) through a rubber ring, the top of the buffer disk (42) is made of rubber sheets, the bottom of the buffer disk is made of steel plates, the top of the buffer disk is made of rubber sheets, a plurality of longitudinally arranged compression springs (43) are arranged between the rubber sheets and the steel plates, the bottom of the steady flow tank (5) is provided with a hydraulic driver (44) and a telescopic outer cylinder (45), the hydraulic driver (44) comprises a telescopic outer cylinder (45) located outside and a telescopic push rod (46) located inside the telescopic outer cylinder (45), and the telescopic outer cylinder (45) and the telescopic push rod (46) are filled with damping fluid, the top of the telescopic push rod (46) penetrates through the bottom of the steady flow tank (5) and is fixedly connected with the bottom of the buffer disc (42).
6. The energy-saving mute pressure-superposed water supply device for the community water supply is characterized in that the negative pressure eliminator (22) comprises a shell (48) with the lower end fixedly connected with the vent pipe (47), two upper conical cavities (49) and a lower conical cavity (50) which form an hourglass shape are arranged inside the shell (48), a communication port (52) is arranged between the upper conical cavities (49) and the lower conical cavities (50), a mesh plate (51) for water and air permeation is arranged at the bottom of the lower conical cavity (50), a fixed sleeve (53) is arranged on the mesh plate (51), a telescopic sleeve (54) is arranged in the fixed sleeve (53), a floating ball (55) for plugging the communication port (52) is connected to the top of the telescopic sleeve (54), and a horizontal floating plate (56) for balance and stability is arranged at the bottom of the floating ball (55), when the floating ball (55) is in sealing contact with the inner wall of the lower conical cavity (50) due to the fact that the communicating port (52) is blocked by the upward floating seal of the buoyancy, the bottom of the floating ball (55) is connected with a return spring (57), the return spring (57) penetrates through a telescopic sleeve (54) to be connected to the bottom of a fixed sleeve (53), a dust removal filter screen (58) is arranged inside an upper conical cavity (49), a bidirectional inlet (59) is arranged at the upper end of the upper conical cavity (49), one end of the bidirectional inlet (59) is connected with the outside atmosphere, and the other end of the bidirectional inlet is connected with an air pump (60) for forcibly supplying air to the flow stabilizing tank.
7. The energy-saving mute laminated water supply device for the community water supply as claimed in claim 1, wherein the noise reduction mechanism (26) comprises an upper top plate (61) for supporting the pump body (25), a lower bottom plate (62) arranged at the bottom of the stabilizing box body (24), and a rubber tube (63) connected between the upper top plate (61) and the lower bottom plate (62) in a wavy shape, the rubber tube (63) is filled with foamed polypropylene beads (66) for absorbing sound, two ends of the rubber tube (63) penetrate through the outer wall of the stabilizing box body (24) and are internally provided with intercepting nets (65), and sound absorbing cotton pads (64) are arranged on the outer surfaces of the upper top plate (61) and the lower bottom plate (62).
8. An energy-saving mute pressure-superposed water supply device for community water supply as claimed in claim 1, characterized in that a drain valve (68) is arranged outside the steady flow tank (5) near the bottom of the water storage cavity (7).
CN202010868897.5A 2020-08-25 2020-08-25 Energy-saving mute pressure-superposed water supply device for community water supply Active CN112012270B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010868897.5A CN112012270B (en) 2020-08-25 2020-08-25 Energy-saving mute pressure-superposed water supply device for community water supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010868897.5A CN112012270B (en) 2020-08-25 2020-08-25 Energy-saving mute pressure-superposed water supply device for community water supply

Publications (2)

Publication Number Publication Date
CN112012270A CN112012270A (en) 2020-12-01
CN112012270B true CN112012270B (en) 2021-03-23

Family

ID=73504043

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010868897.5A Active CN112012270B (en) 2020-08-25 2020-08-25 Energy-saving mute pressure-superposed water supply device for community water supply

Country Status (1)

Country Link
CN (1) CN112012270B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113863435B (en) * 2021-09-17 2023-06-02 重庆昕晟环保科技有限公司 Accurate water supply method of secondary water supply tank
CN115463473B (en) * 2022-08-12 2023-11-10 东莞东元环境科技股份有限公司 Buffer device and filtering system
CN116378170B (en) * 2023-05-05 2023-09-22 艺坤智慧水务集团有限公司 Distributed energy compensation device for negative pressure elimination

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104846902A (en) * 2014-10-25 2015-08-19 青岛万力科技有限公司 Fully-automatic pot-type pipe network pressure-superposed non-negative-pressure water supply device
CN104846909A (en) * 2014-11-04 2015-08-19 高天红 Pipe type mute direct connection water supply device
CN205776512U (en) * 2016-07-03 2016-12-07 青岛静水机电设备股份有限公司 The energy-saving water supply equipment of silencing pump-in-tube without negative pressure
CN206233297U (en) * 2016-10-19 2017-06-09 青岛静水机电设备股份有限公司 Integrated homemade well water source module negative pressure-free pipe network Pressure-superposed water supply equipment
CN206233299U (en) * 2016-10-19 2017-06-09 青岛静水机电设备股份有限公司 Collection Composition Region partial pressure concatenation module negative pressure-free pipe network Pressure-superposed water supply equipment
CN206346266U (en) * 2016-08-01 2017-07-21 山东三润给水设备科技有限公司 Pipe network steady flow pressurization and water supply equipment
CN206346254U (en) * 2016-08-01 2017-07-21 山东三润给水设备科技有限公司 Non-negative pressure stabilized pressurized water supply pipe network
CN207228213U (en) * 2017-08-06 2018-04-13 建研西南(北京)科技发展有限公司 Integrated-type mute non-negative-pressure laminates intelligent water supply equipment
US10287756B2 (en) * 2014-10-29 2019-05-14 Nec Corporation Tap water management system, tap water management device, tap water management method, and tap water management program recording medium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3588234B1 (en) * 2018-06-21 2021-03-17 Grundfos Holding A/S Control system and method for controlling a water supply from at least two separate input lines into a sector of a water supply network

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104846902A (en) * 2014-10-25 2015-08-19 青岛万力科技有限公司 Fully-automatic pot-type pipe network pressure-superposed non-negative-pressure water supply device
US10287756B2 (en) * 2014-10-29 2019-05-14 Nec Corporation Tap water management system, tap water management device, tap water management method, and tap water management program recording medium
CN104846909A (en) * 2014-11-04 2015-08-19 高天红 Pipe type mute direct connection water supply device
CN205776512U (en) * 2016-07-03 2016-12-07 青岛静水机电设备股份有限公司 The energy-saving water supply equipment of silencing pump-in-tube without negative pressure
CN206346266U (en) * 2016-08-01 2017-07-21 山东三润给水设备科技有限公司 Pipe network steady flow pressurization and water supply equipment
CN206346254U (en) * 2016-08-01 2017-07-21 山东三润给水设备科技有限公司 Non-negative pressure stabilized pressurized water supply pipe network
CN206233297U (en) * 2016-10-19 2017-06-09 青岛静水机电设备股份有限公司 Integrated homemade well water source module negative pressure-free pipe network Pressure-superposed water supply equipment
CN206233299U (en) * 2016-10-19 2017-06-09 青岛静水机电设备股份有限公司 Collection Composition Region partial pressure concatenation module negative pressure-free pipe network Pressure-superposed water supply equipment
CN207228213U (en) * 2017-08-06 2018-04-13 建研西南(北京)科技发展有限公司 Integrated-type mute non-negative-pressure laminates intelligent water supply equipment

Also Published As

Publication number Publication date
CN112012270A (en) 2020-12-01

Similar Documents

Publication Publication Date Title
CN112012270B (en) Energy-saving mute pressure-superposed water supply device for community water supply
AU2019462665B2 (en) High-capacity bladder type constant pressure accumulator and application thereof
CN205298375U (en) Gas spring damping bumper shock absorber
CN108105192B (en) A kind of buffer-braking valve
CN108757805B (en) Rapid self-balancing air spring and operation method thereof
CN107700599A (en) A kind of non-negative pressure water-supply installation steady flow compensator
CN101709799A (en) Multifunctional sleeve type energy dissipation valve
CN211175520U (en) Adjustable dynamic balance valve
CN114562604B (en) Multi-orifice squirrel-cage high-proportion pressure reducing valve and use method thereof
CN107696818B (en) Hydro-pneumatic suspension system capable of realizing quasi-zero rigidity of balance position
CN204357797U (en) Piston power accumulator damping device and piston power accumulator
CN107166058B (en) Three-hole exhaust valve
CN205577024U (en) From stationary flow jar of taking steady voltage function
CN116146331A (en) Automatic condensate water discharging device of intercooler of marine engine
CN210461825U (en) Gas safety relief valve
CN2563390Y (en) Pressure reducing and water saving valve for city water
CN204213434U (en) A kind of Piston reducing valve
CN201554635U (en) Multifunctional self-operated sleeve-type energy dissipating valve
CN207376708U (en) A kind of non-negative pressure water-supply installation steady flow compensator
CN208604689U (en) A kind of non-negative pressure method of water supply device with energy storage vacuum compensation function
CN201056719Y (en) Vacuum eliminator for water supply facility
CN205999980U (en) A kind of laminating water supply equipment
CN113236833B (en) Piston type pressure reducing valve with long service life
CN213452246U (en) Pressure relief device for oil field water injection pipeline
CN104641044A (en) Pneumatic fender

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant