CN216475363U - Emergency pressure water supply system - Google Patents
Emergency pressure water supply system Download PDFInfo
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- CN216475363U CN216475363U CN202122597759.0U CN202122597759U CN216475363U CN 216475363 U CN216475363 U CN 216475363U CN 202122597759 U CN202122597759 U CN 202122597759U CN 216475363 U CN216475363 U CN 216475363U
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Abstract
The emergency pressure water supply system effectively solves the technical problem that once power failure occurs in a water supply system, water cannot be supplied in time, and related equipment is damaged; the water tank is communicated with a first manual stainless steel ball valve, a second check valve, a second manual stainless steel ball valve, a second pneumatic butterfly valve, a third manual stainless steel ball valve, a fourth manual stainless steel ball valve and a nitrogen source through pipelines; the first manual butterfly valve is communicated with the third pneumatic butterfly valve; the third pneumatic butterfly valve is communicated with a first manual flow regulating valve, and the first manual flow regulating valve is communicated with external equipment; the third pneumatic butterfly valve is communicated with a second manual flow regulating valve, the second manual flow regulating valve is communicated with external equipment, a water tower and a high-level water tank are replaced, damage to relevant equipment can be avoided when power is suddenly cut off, and the safety of the equipment is protected.
Description
Technical Field
The utility model relates to the technical field of emergency water supply, in particular to an emergency pressure water supply system.
Background
In the water supply system of an enterprise, continuous water supply is required on a required water supply line of equipment, and when the water pressure of the system is lower than a specified pressure or power failure occurs suddenly, the emergency diesel engine water pump is automatically started to supply water to the system. However, the diesel engine water pump needs corresponding time when reaching rated flow and lift, is not instant water supply, and if water supply is cut off, relevant water-requiring equipment is damaged irreversibly, and an emergency pressure water supply system is introduced to protect the relevant equipment from being damaged.
SUMMERY OF THE UTILITY MODEL
Aiming at the situations, in order to overcome the defects of the prior art, the emergency pressure water supply system effectively solves the technical problem that once power failure and other situations occur in the existing enterprise water supply system, water cannot be supplied in time, and related equipment is damaged.
The emergency pressure water supply system comprises a water tank and is characterized in that the lower part of the water tank is communicated with a first manual butterfly valve through a pipeline, the first manual butterfly valve is communicated with a first check valve through a pipeline, the first check valve is communicated with a second manual butterfly valve through a pipeline, the second manual butterfly valve is communicated with a first manual butterfly valve through a pipeline, the first manual butterfly valve is communicated with a third manual butterfly valve through a pipeline, the third manual butterfly valve is communicated with a pressure reducing valve through a pipeline, the pressure reducing valve is communicated with a fourth manual butterfly valve through a pipeline, and the fourth manual butterfly valve is communicated with a water supplementing source through a pipeline;
the second manual butterfly valve, the first pneumatic butterfly valve and the third manual butterfly valve are connected with a fifth manual butterfly valve in parallel through pipelines;
a first manual stainless steel ball valve is communicated with the upper part of the water tank through a pipeline, the first manual stainless steel ball valve is communicated with a second check valve through a pipeline, the second check valve is communicated with a second manual stainless steel ball valve through a pipeline, the second manual stainless steel ball valve is communicated with a second pneumatic butterfly valve through a pipeline, the second pneumatic butterfly valve is communicated with a third manual stainless steel ball valve through a pipeline, the third manual stainless steel ball valve is communicated with a fourth manual stainless steel ball valve through a pipeline, and the fourth manual stainless steel ball valve is communicated with a nitrogen source through a pipeline;
the second manual stainless steel ball valve, the second pneumatic butterfly valve and the third manual stainless steel ball valve are connected with a fifth manual stainless steel ball valve in parallel;
the first manual butterfly valve is communicated with a third pneumatic butterfly valve through a pipeline;
the third pneumatic butterfly valve is communicated with a first manual flow regulating valve through a pipeline, and the first manual flow regulating valve is communicated with external equipment through a pipeline;
the third pneumatic butterfly valve is communicated with a second manual flow regulating valve through a pipeline, and the second manual flow regulating valve is communicated with external equipment through a pipeline.
Preferably, the lower part of the water tank is communicated with a sixth manual butterfly valve through a pipeline, the sixth manual butterfly valve is communicated with a fourth pneumatic butterfly valve through a pipeline, and the fourth pneumatic butterfly valve is connected with a sewage draining barrel through a pipeline.
Preferably, the upper end of the water tank is provided with a first safety valve and a second safety valve.
Preferably, the water tank is connected with a pressure sensor and a pointer type pressure gauge.
Preferably, an electric bleeding valve is installed above the water tank.
Preferably, a magnetic turning plate liquid level meter is installed in the water tank.
Preferably, the pressure sensor is connected with the controller, the second pneumatic butterfly valve is connected with the controller, the first safety valve and the second safety valve are connected with the controller, the electric bleeding valve is connected with the controller, the magnetic flap level gauge is connected with the controller, the first pneumatic butterfly valve is connected with the controller, and the third pneumatic butterfly valve is connected with the controller.
Preferably, the lower end of the outer side of the water tank is communicated with a vertical communicating pipe, a screw rod with a cavity inside is rotatably installed in the center of the water tank, the screw rod is a bidirectional screw rod, a limiting sleeve is sleeved on the screw rod in a threaded manner, a plurality of transverse supporting rods with cavities inside and openings at two ends are fixedly connected to two sides of the sleeve, annular cleaning cotton is fixed to ends of the plurality of supporting rods, a brush capable of contacting the inner wall of the water tank is fixed to the outer side wall of the cleaning cotton, an annular cleaning disc arranged below the cleaning cotton is installed on the screw rod, a clamping groove is formed in the side wall of the outer circumference of the cleaning disc, a chuck clamped in the clamping groove is fixed to the lower end of the cleaning cotton, a plurality of spray holes are formed in the screw rod, butt-joint holes aligned with the spray holes are formed in the sleeve, an external water pipe is installed at the upper end of the screw rod, a first belt pulley is installed at the upper end of the screw rod, and the first belt pulley is connected with a second belt pulley, the second belt pulley is connected with a motor arranged at the upper end of the water tank.
Compared with the prior art, the utility model has the following technical effects:
1. the utility model can replace a water tower and a high-level water tank, can meet the requirement of initial emergency water supply when the water pressure of the system is lower than a set pressure value or power failure occurs suddenly, avoids damaging related equipment and protects the safety of the equipment.
2. Saving labor and materials, and saving 50 to 70 percent of capital compared with the construction of a water tower and a water tank with the same effect.
3. Small occupied area, unlimited water source and convenient transfer.
4. The inside of the water tank body is completely sealed, the water quality is not easy to pollute, the growth of bacteria and microorganisms can be prevented, and the water tank has the characteristics of shock resistance and lightning protection.
5. The water pipe network can be used in a grid-connected mode with a tap water pipe network without being watched by a specially-assigned person; normal water supply is not affected during maintenance and power failure; it has the functions of phase loss, undervoltage, overload and water loss protection.
6. The installation is convenient, and water can be normally supplied only by connecting the water inlet and outlet pipeline and the power supply.
7. The whole system realizes intelligent programming control and unmanned management automation.
8. The whole system can be monitored by video, 360-degree dead-angle-free monitoring can be realized, and the control system is simple and convenient to switch. The automatic control part has a process flow control picture on a display screen (the size can be specified), and alarms when various media reach the highest liquid level, the lowest liquid level and the lowest pressure. The control has the functions of machine-side control, automatic control on computer pictures and manual control, and manual control and automatic control are switched at any time.
Drawings
FIG. 1 is a schematic view of the overall process of the present invention.
Fig. 2 is a schematic diagram of the principle of the water tank cleaning structure of the present invention.
Reference numerals:
1. a water tank; 2. a first manual butterfly valve; 3. a first check valve; 4. a second manual butterfly valve; 5. a first pneumatic butterfly valve; 6. a third manual butterfly valve; 7. a pressure reducing valve; 8. a fourth manual butterfly valve; 9. a fifth manual butterfly valve; 10. a first manual stainless steel ball valve; 11. a second check valve; 12. a second manual stainless steel ball valve; 13. a second pneumatic butterfly valve; 14. a third manual stainless steel ball valve; 15. a fourth manual stainless steel ball valve; 16. a fifth manual stainless steel ball valve; 17. a third pneumatic butterfly valve; 18. a first manual flow control valve; 19. a second manual flow regulating valve; 20. a sixth manual butterfly valve; 21. a fourth pneumatic butterfly valve; 22. a sewage draining barrel; 23. a first safety valve; 24. a second relief valve; 25. a pressure sensor; 26. a pointer type pressure gauge; 27. an electric bleeding valve; 28. a magnetic flap level gauge; 29. a communicating pipe; 30. a screw; 31. a sleeve; 32. a strut; 33. cleaning cotton; 34. a brush; 35. cleaning the disc; 36. a card slot; 37. a chuck; 38. spraying a hole; 39. a butt joint hole; 40. is externally connected with a water pipe; 41. a first pulley; 42. a second pulley; 43. an electric motor.
Detailed Description
The foregoing and other aspects, features and advantages of the utility model will be apparent from the following more particular description of embodiments of the utility model, as illustrated in the accompanying drawings in which reference is made to figures 1-2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The utility model relates to an emergency pressure water supply system, which comprises a vertical pressure water tank 1, wherein a plurality of pipelines are communicated on the water tank 1, the size and the model of the pipelines can be different, the specific model and the size are shown below and on the attached drawing 1 of the specification, and the main function of the emergency pressure water supply system is transportation communication, so for convenience of description, the emergency pressure water supply system is generally called as a pipeline, a first manual butterfly valve 2 is communicated with the lower part of the water tank 1 through a pipeline, then the pipeline is communicated with a first check valve 3, then the pipeline is communicated with a second manual butterfly valve 4, then the pipeline is communicated with a first manual butterfly valve 5, the first manual butterfly valve 5 is communicated with a third manual butterfly valve 6 through a pipeline, then the pipeline is communicated with a pressure reducing valve 7, then the pipeline is communicated with a fourth manual butterfly valve 8, and then the pipeline is connected with an external water replenishing source.
Wherein, first manual butterfly valve 2, first check valve 3, the manual butterfly valve 4 of second, the manual butterfly valve 6 of third, relief pressure valve 7, the manual butterfly valve 8 of fourth are for normally opening.
In order to ensure that the first pneumatic butterfly valve 5 can be normally used after being damaged, two sides of the second manual butterfly valve 4 and the third manual butterfly valve 6 are communicated with U-shaped pipelines, and fifth manual butterfly valves 9 are installed on the pipelines to form parallel connection for standby use.
The upper part of the water tank 1 is communicated with a first manual stainless steel ball valve 10 through a pipeline, then is communicated with a second check valve 11 through a pipeline, is communicated with a second manual stainless steel ball valve 12 through a pipeline, is communicated with a second pneumatic butterfly valve 13 through a pipeline, is communicated with a third manual stainless steel ball valve 14 through a pipeline, is communicated with a fourth manual stainless steel ball valve 15 through a pipeline, and finally is communicated with a nitrogen source through a pipeline.
Wherein, the first manual stainless steel ball valve 10, the second check valve 11, the second manual stainless steel ball valve 12, the third manual stainless steel ball valve 14, the fourth manual stainless steel ball valve 15 are normally open.
In order to ensure that the second pneumatic butterfly valve 13 can be normally used after being damaged, two sides of the second manual stainless steel ball valve 12 and the third manual stainless steel ball valve 14 are communicated with a U-shaped pipeline, and a fifth manual stainless steel ball valve 16 is installed on the pipeline.
When water is supplied to an enterprise, the first manual butterfly valve 2 is communicated with the third pneumatic butterfly valve 17 through a pipeline, and a corresponding number of pipelines are installed according to different pipeline demand quantities of enterprise equipment.
The third pneumatic butterfly valve 17 is communicated with a first manual flow regulating valve 18 through a pipeline and then is communicated with external water supply equipment through a pipeline.
The third pneumatic butterfly valve 17 is communicated with a second manual flow regulating valve 19 through a pipeline and then is communicated with external water supply equipment through a pipeline.
When the water in the water tank 1 needs to be discharged, the lower part of the water tank 1 is communicated with a sixth manual butterfly valve 20 through a pipeline, then is communicated with a fourth pneumatic butterfly valve 21 through a pipeline, and is communicated with a sewage discharge barrel 22 through a pipeline.
A first safety valve 23 and a second safety valve 24 are installed at the upper end of the water tank 1 to ensure the pressure of the air inside the water tank 1.
A pressure sensor 25 and a pointer pressure gauge 26 are connected to the water tank 1 for detecting and displaying the pressure in the water tank 1 and feeding back signals.
An electrically operated blow-off valve 27 is mounted above the water tank 1 and is also used to regulate the pressure of the water tank 1.
A magnetic turning plate liquid level meter 28 is installed in the water tank 1 and used for detecting the height of the water level in the water tank 1.
The pressure sensor 25, the second pneumatic butterfly valve 13, the first safety valve 23, the second safety valve 24, the electric blow-off valve 27, the magnetic turning plate liquid level meter 28, the first pneumatic butterfly valve 5 and the third pneumatic butterfly valve 17 are all connected with a controller, and are connected with an external standby storage power supply to ensure normal use during power failure.
The lower end of the outer side of the water tank 1 is communicated with a vertical communicating pipe 29, the communicating pipe 29 is transparent to form a communicating vessel, a screw rod 30 with bidirectional threads is rotatably arranged at the center in the water tank 1, the opening at the upper end of the screw rod 30 is internally provided with a cavity, a plurality of spray holes 38 are arranged from top to bottom, a sleeve 31 is in threaded connection with the screw rod 30, a limiting rod clamped on the inner wall of the water tank 1 is arranged on the sleeve 31, namely, when the screw rod 30 rotates, the sleeve 31 does not rotate and moves downwards, the sleeve 31 is provided with a butt joint hole 39 capable of aligning with the spray holes 38, the outer wall of the sleeve 31 is fixedly provided with a plurality of transverse supporting rods 32, the inner part of each supporting rod 32 is provided with openings at two ends of the cavity and is communicated with the butt joint hole 39, cleaning cotton 33 is fixed at the ends of the plurality of supporting rods 32 to form a complete ring shape, the outer side wall of the cleaning cotton 33 is fixedly provided with a brush 34, and the brush 34 can contact and extrude the inner wall of the water tank 1, install annular cleaning disc 35 on screw rod 30, be soft material equally, annular cleaning disc 35 can follow screw rod 30 and rotate, it is concrete, there is annular chuck 37 at the lower extreme safety that washs cotton 33, wash dish 35 thread bush on screw rod 30, it is spacing not to carry out, so wash dish 35 can follow screw rod 30 and rotate, draw-in groove 36 has been seted up on the outer circumference lateral wall that washs dish 35, draw-in groove 36 is on chuck 37, wash dish 35 and can rotate on chuck 37, and when wasing cotton 33 up-and-down motion, chuck 37 can drive and wash dish 35 up-and-down motion.
An external water pipe 40 is installed at the upper end of the screw rod 30, the external water pipe 40 is connected with an external water source, a first belt pulley 41 is installed at the upper end of the screw rod 30, the first belt pulley 41 is connected with a second belt pulley 42 through a belt, and the second belt pulley 42 is coaxially connected with a motor 43 arranged on the water tank 1.
When the water tank 1 is cleaned, the external water source 40 supplies water from the screw rod 30, the water is sprayed from the screw rod 30 through the spray holes 38 to clean the inner wall of the water tank 1, and when the water passes through the sleeve 31, the water enters the support rod 32 through the butt joint hole 39 and contacts with the cleaning cotton to clean and wipe the inner wall of the water tank 1, the screw rod 30 is a bidirectional screw rod, the motor 43 drives the screw rod 30 to rotate through the first belt pulley 41 and the second belt pulley 42, the sleeve 31 cannot rotate due to the limit of the sleeve 31, so that the cleaning cotton 33 is driven to move downwards, the chuck 37 moves downwards at the moment, the cleaning disc 35 is positioned in the clamping groove 36 while the chuck 37 rotates along with the screw rod 30, the cleaning disc 35 is pressed downwards synchronously, so that the cleaning disc 35 rotates and moves upwards and downwards, when the sleeve 31 moves to the bottom end of the screw rod 30, the bidirectional screw rod 30 enables the sleeve 31 to move upwards automatically, or a unidirectional screw rod can be selected, the rotation direction of the motor is changed, and at this time, the chuck 37 pushes against the slot 36 to drive the cleaning disc 35 to move upwards.
In an enterprise water supply line, when emergency situations such as sudden power failure, water pressure reduction and the like occur, the emergency pressure water supply system can be started, a control system formed by a controller can control the third pneumatic butterfly valve 17 to be opened, water is contained in the water tank 1, nitrogen is arranged above the water, at the moment, water is supplied to a required water pipeline through the third pneumatic butterfly valve 17 by utilizing the pressure in the water tank 1, the first manual flow regulating valve 18 and the second manual flow regulating valve 19 respectively control corresponding pipelines to provide water for required equipment, and different quantities of pipelines and different quantities of manual flow regulating valves are provided according to different quantities of equipment.
And the water storage capacity in the water pitcher 1 satisfies the initial stage demand of supplying water, strive for the start-up time for the emergent water pump of diesel engine, when the emergent water pump of diesel engine normally works, controller control third pneumatic butterfly valve 17 closes, emergent pressure water supply system stops supplying water, after stopping supplying water, magnetism turns over board level gauge 28 and detects the water storage capacity in the water pitcher 1, when the liquid level does not reach the liquid level and sets for the maximum value in the water pitcher 1, reach the moisturizing signal to the controller, the first pneumatic butterfly valve 5 of controller control begins to supply water in to the water pitcher 1, when the liquid level reaches and sets for the liquid level highest point in the water pitcher 1, magnetism turns over board level gauge 28 feedback signal and gives the controller, the first pneumatic butterfly valve 5 of control system control closes.
In the water replenishing process, the pressure sensor 25 at the upper end of the water tank 1 starts to detect the gas pressure in the water tank 1, if the gas pressure is lower than the minimum value of the set pressure range, the second pneumatic butterfly valve 13 is not started for the moment, namely, the air replenishing device is not started for the moment, and if the gas pressure is higher than the maximum value of the set pressure range, the exhaust device, namely, the first safety valve 23, the second safety valve 24 and the electric bleeding valve 27 is started to reduce the gas pressure in the water tank 1.
When the liquid level in the water tank 1 reaches the maximum value of the set liquid level range value, the magnetic turning plate liquid level meter 28 collects a liquid level signal and transmits the liquid level signal to the controller, and the controller controls the first pneumatic butterfly valve 5 to be closed, so that water supplement is stopped, and the water supplement is completed.
At the moment, if the pressure sensor 25 at the upper end of the water tank 1 detects that the gas pressure in the water tank 1 is lower than the minimum value of the set gas pressure range, the gas supplementing signal is transmitted to the controller, and the controller controls the second pneumatic butterfly valve 13 to be opened to begin to supplement gas into the water tank 1.
When the gas pressure in the water tank 1 reaches the maximum value of the set pressure range value, the pressure sensor feeds back a signal to the controller, and the controller controls the second pneumatic butterfly valve 13 to close, so that gas supplement is completed.
The emergency pressure water supply system is used in a closed water circulation system, nitrogen is filled in the water tank 1, a large volume can be obtained to contain the expansion water volume, and the high-pressure expansion tank and the low-pressure expansion tank can utilize the pressure of the high-pressure expansion tank and the low-pressure expansion tank to supply water to the pressure stabilizing system in parallel. The control system consists of an air pressure water tank, a pressure stabilizing device, a water collecting device, an air stopping device, an electric control system and the like, wherein the volume of the water tank is 1/3-1/5 of that of a common air pressure tank, the water supply pressure is stable, and the control system is an ideal emergency pressure water supply system.
The process requirements of the emergency pressure water supply system are as follows:
1. the pressure maintaining pressure of nitrogen (air) at the upper part in the water tank 1 is in a set pressure range.
2. When the pressure of the nitrogen (air) at the upper part in the water tank 1 is smaller than the minimum value of the set pressure range value, the pressure sensor 25 feeds back to the control system, and the control system controls the gas supplementing valve (a second pneumatic butterfly valve 13) to be opened to automatically supplement gas; when the pressure of the nitrogen (air) at the upper part in the water tank 1 reaches the maximum value of the set pressure range value, the pressure sensor 25 feeds back the pressure to the control system, and the control system controls the air supplement valve (the second pneumatic butterfly valve 13) to be closed to automatically stop supplementing air.
3. When the pressure of the nitrogen (air) at the upper part in the water tank 1 reaches a set pressure range value, the pressure sensor 25 feeds back to the control system, and the control system controls the two safety valves (a first safety valve 23 and a second safety valve 24) to be opened; when the pressure of the nitrogen (air) at the upper part in the water tank 1 reaches the maximum value of the set pressure range value, the pressure sensor 25 feeds back to the control system, and the control system controls the electric bleeding valve 27 to open and bleed the gas in the water tank 1, so as to reduce the pressure in the water tank 1; when the pressure of the nitrogen (air) at the upper part in the water tank 1 reaches a set pressure range value, the pressure sensor 25 feeds back to the control system, and the control system controls the electric bleeding valve 27 to be closed, stops bleeding gas and keeps the pressure in the water tank 1 stable.
4. When the water level in the water tank 1 is lower than the set liquid level range value, after a liquid level probe in a magnetic turning plate liquid level meter 28 on the side wall of the water tank 1 detects that the water level reaches a specified water level, a signal is fed back to a control system, the control system controls a pneumatic valve (a first pneumatic butterfly valve 5) to be opened to supplement water into the pressure water tank, and the pressure requirement of the supplement water is larger than the set pressure value; when the water level reaches the maximum value of the set liquid level, the liquid level probe in the magnetic turning plate liquid level meter 28 on the side wall of the water tank 1 detects that the water level reaches the specified water level, a signal is fed back to the control system, and the control system controls the pneumatic valve (the first pneumatic butterfly valve 5) to be closed to stop supplementing water.
5. When the liquid level is low to the appointed liquid level in water pitcher 1, the control system control double-acting pneumatic butterfly valve (first pneumatic butterfly valve 5) opens the make-up water, and electronic valve 27 that diffuses in water pitcher 1 top is opened, diffuses the water pitcher 1 internal pressure to the set pressure value (this pressure can be adjusted according to the feed pump pressure) after, and pressure sensor 25 feeds back to control system, and control system control electronic valve 27 that diffuses closes.
6. When the water level in the water tank 1 reaches the lowest set liquid level, after a liquid level probe in the magnetic turning plate liquid level meter 28 on the side wall of the water tank 1 detects that the water level reaches the designated water level, a signal is fed back to the control system, and the control system controls the closing of a water outlet valve (a third pneumatic butterfly valve 17) of the water tank 1 so as to prevent gas from leaking out along with a pipeline.
Detailed process requirements for water and nitrogen make-up:
1. the upper nitrogen pressure maintaining pressure is P =0.6-0.7 MPa.
2. When the upper nitrogen pressure is less than 0.6MPa, the gas is automatically supplemented, and when the upper nitrogen pressure is P =0.7MPa, the gas is automatically stopped being supplemented.
3. When the upper nitrogen pressure reaches P =0.8MPa, the first safety valve and the second safety valve are opened, when the upper nitrogen pressure reaches P =0.9MPa, the electric bleeding valve is automatically opened, and when P =0.7MPa, the electric bleeding valve is automatically closed.
4. When the water level is lower than h1 in the attached drawing 1, the first pneumatic butterfly valve is opened to automatically replenish water into the water tank, the pressure of the replenishing water is larger than 0.5MPa, and when the water level reaches h2, the first pneumatic butterfly valve is closed to automatically stop replenishing water.
5. When the first pneumatic butterfly valve is opened to replenish water, the electric bleeding valve is opened, and bleeding to P =0.4MPa (the pressure can be adjusted according to the pressure of the water feeding pump) is automatically closed.
6. The second pneumatic butterfly valve must not open when the electric blow-off valve is opened, and is allowed to open when the electric blow-off valve is closed.
7. The fourth pneumatic butterfly valve is mainly used for draining water and discharging sewage.
8. The water tank has a volume of 50 cubic meters and stores water up to 26 cubic meters, and the emergency water is supplied to the crystallizer and the equipment for about 4 minutes.
9. When the water level reaches h0, the third pneumatic butterfly valve is automatically closed to prevent gas from leaking out along the pipe.
10. It should be noted that: when the workshop is suddenly powered off, the gas source (nitrogen) is stopped.
Under normal conditions, the water lift is greater than 50 meters in a normal production state, the flow is 60t/h, water exists after 27 seconds of delay during emergency water consumption, the lift is 40 meters, water is not supplemented to the water tank at this time, and water is supplemented to the water tank when the water pressure is greater than 0.5 MPa.
More specific models and parameters are:
the fourth manual butterfly valve: DN100, PN 25; a pressure reducing valve: DN100, PN25, P1=25, P2= 5; first pneumatic butterfly valve: DN100, PN 20; the fifth manual butterfly valve: DN100, PN 16; a first check valve: DN100, PN 16; a water tank: a vertical pressure water supply tank with the volume of 50 cubic meters and the rated pressure of 2.0 MP; electric bleeding valve: DN100, PN 16; the second pneumatic butterfly valve: DN32, PN 16; first manual flow control valve: DN150, PN 20; the second manual flow control valve: DN200, PN 20; the fourth pneumatic butterfly valve: DN50, PN 20; the third pneumatic butterfly valve: DN250, PN 20.
Other parameters are shown in detail in the description accompanying fig. 1.
Compared with the prior art, the utility model has the following technical effects:
1. the utility model can replace a water tower and a high-level water tank, can meet the requirement of initial emergency water supply when the water pressure of the system is lower than a set pressure value or power failure occurs suddenly, avoids damaging related equipment and protects the safety of the equipment.
2. Saving labor and materials, and saving 50 to 70 percent of capital compared with the construction of a water tower and a water tank with the same effect.
3. Small occupied area, unlimited water source and convenient transfer.
4. The inside of the water tank body is completely sealed, the water quality is not easy to pollute, the growth of bacteria and microorganisms can be prevented, and the water tank has the characteristics of shock resistance and lightning protection.
5. The water pipe network can be used in a grid-connected mode with a tap water pipe network without being watched by a specially-assigned person; normal water supply is not affected during maintenance and power failure; it has the functions of phase loss, undervoltage, overload and water loss protection.
6. The installation is convenient, and water can be normally supplied only by connecting the water inlet and outlet pipeline and the power supply.
7. The whole system realizes intelligent programming control and unmanned management automation.
8. The whole system can be monitored by video, 360-degree dead-angle-free monitoring can be realized, and the control system is simple and convenient to switch. The automatic control part has a process flow control picture on a display screen (the size can be specified), and alarms when various media reach the highest liquid level, the lowest liquid level and the lowest pressure. The control has the functions of machine-side control, automatic control on computer pictures and manual control, and manual control and automatic control are switched at any time.
Claims (8)
1. The emergency pressure water supply system comprises a water tank (1) and is characterized in that a first manual butterfly valve (2) is communicated with the lower portion of the water tank (1) through a pipeline, the first manual butterfly valve (2) is communicated with a first check valve (3) through a pipeline, the first check valve (3) is communicated with a second manual butterfly valve (4) through a pipeline, the second manual butterfly valve (4) is communicated with a first manual butterfly valve (5) through a pipeline, the first manual butterfly valve (5) is communicated with a third manual butterfly valve (6) through a pipeline, the third manual butterfly valve (6) is communicated with a pressure reducing valve (7) through a pipeline, the pressure reducing valve (7) is communicated with a fourth manual butterfly valve (8) through a pipeline, and the fourth manual butterfly valve (8) is communicated with a water replenishing source through a pipeline;
the second manual butterfly valve (4), the first manual butterfly valve (5) and the third manual butterfly valve (6) are connected with a fifth manual butterfly valve (9) in parallel through pipelines;
a first manual stainless steel ball valve (10) is communicated with the upper part of the water tank (1) through a pipeline, the first manual stainless steel ball valve (10) is communicated with a second check valve (11) through a pipeline, the second check valve (11) is communicated with a second manual stainless steel ball valve (12) through a pipeline, the second manual stainless steel ball valve (12) is communicated with a second pneumatic butterfly valve (13) through a pipeline, the second pneumatic butterfly valve (13) is communicated with a third manual stainless steel ball valve (14) through a pipeline, the third manual stainless steel ball valve (14) is communicated with a fourth manual stainless steel ball valve (15) through a pipeline, and the fourth manual stainless steel ball valve (15) is communicated with a nitrogen source through a pipeline;
the second manual stainless steel ball valve (12), the second pneumatic butterfly valve (13) and the third manual stainless steel ball valve (14) are connected with a fifth manual stainless steel ball valve (16) in parallel;
the first manual butterfly valve (2) is communicated with a third pneumatic butterfly valve (17) through a pipeline;
the third pneumatic butterfly valve (17) is communicated with a first manual flow regulating valve (18) through a pipeline, and the first manual flow regulating valve (18) is communicated with external equipment through a pipeline;
the third pneumatic butterfly valve (17) is communicated with a second manual flow regulating valve (19) through a pipeline, and the second manual flow regulating valve (19) is communicated with external equipment through a pipeline.
2. The emergency pressure water supply system according to claim 1, wherein a sixth manual butterfly valve (20) is communicated below the water tank (1) through a pipeline, the sixth manual butterfly valve (20) is communicated with a fourth pneumatic butterfly valve (21) through a pipeline, and the fourth pneumatic butterfly valve (21) is connected with a sewage draining barrel (22) through a pipeline.
3. The emergency pressure water supply system according to claim 2, wherein a first safety valve (23) and a second safety valve (24) are installed at an upper end of the water tank (1).
4. An emergency pressure water supply system according to claim 3, characterized in that a pressure sensor (25) and a pointer pressure gauge (26) are connected to the water tank (1).
5. Emergency pressure water supply system according to claim 4, characterised in that an electrically operated bleed valve (27) is mounted above the water tank (1).
6. Emergency pressure water supply system according to claim 5, characterized in that a magnetic flap level gauge (28) is installed inside the water tank (1).
7. The emergency pressure water supply system according to claim 6, wherein the pressure sensor (25) is connected to a controller, the second pneumatic butterfly valve (13) is connected to a controller, the first safety valve (23), the second safety valve (24) are connected to a controller, the electric bleeding valve (27) is connected to a controller, the magnetic flap level gauge (28) is connected to a controller, the first pneumatic butterfly valve (5) is connected to a controller, and the third pneumatic butterfly valve (17) is connected to a controller.
8. The emergency pressure water supply system according to claim 7, wherein the lower end of the outer side of the water tank (1) is communicated with a vertical communicating pipe (29), a screw (30) with a cavity inside is rotatably installed at the center inside the water tank (1), the screw (30) is a bidirectional screw, a limiting sleeve (31) is sleeved on the upper thread of the screw (30), a plurality of transverse support rods (32) with cavities inside and openings at two ends are fixedly connected to two sides of the sleeve (31), annular cleaning cotton (33) is fixed at the ends of the plurality of support rods (32), a brush (34) capable of contacting the inner wall of the water tank (1) is fixed on the outer side wall of the cleaning cotton (33), an annular cleaning disc (35) arranged below the cleaning cotton (33) is installed on the screw (30), a clamping groove (36) is formed in the side wall of the outer circumference of the cleaning disc (35), a chuck (37) clamped in the clamping groove (36) is fixed at the lower end of the cleaning cotton (33), a plurality of spray holes (38) are formed in the screw rod (30), the sleeve (31) is provided with a butt joint hole (39) aligned with the spray holes (38), an external water pipe (40) is installed at the upper end of the screw rod (30), a first belt pulley (41) is installed at the upper end of the screw rod (30), the first belt pulley (41) is connected with a second belt pulley (42) through a belt, and the second belt pulley (42) is connected with a motor (43) arranged at the upper end of the water tank (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597759.0U CN216475363U (en) | 2021-10-27 | 2021-10-27 | Emergency pressure water supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122597759.0U CN216475363U (en) | 2021-10-27 | 2021-10-27 | Emergency pressure water supply system |
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| CN216475363U true CN216475363U (en) | 2022-05-10 |
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