CN201276722Y

CN201276722Y - Vacuum restraint type pipe network non-negative pressure booster set

Info

Publication number: CN201276722Y
Application number: CNU2008201718885U
Authority: CN
Inventors: 蒋宝月; 郭孝伟; 李合意
Original assignee: Weifang Huali Water Supply Equipment Co Ltd
Current assignee: SHANDONG XINHE FEED WATER EQUIPMENT LIMITED COMPANY
Priority date: 2008-09-25
Filing date: 2008-09-25
Publication date: 2009-07-22
Anticipated expiration: 2018-09-25

Abstract

The utility model discloses a vacuum inhibition pipe network non-negative pressure booster set, comprising an electric control box and a water storage tank, wherein the water inlet end of the water storage tank is communicated with a tap water pipe via a water inlet pipe and the water outlet end is communicated with a user water pipe via a main water pipe; the main water pipe is mounted with a water pump and an one-way valve; the water pump and the electric control box form an electric connection; a bypass water pipe is connected between the tap water pipe and the user water pipe and is connected with the main water pipe in parallel; the bypass water pipe is mounted with a one-way valve; the water storage tank is mounted with a vacuum eliminator electrically connected with the electric control box. The booster set has fluent water suopply, eliminated negative pressure, and the application for supplying water to buildings and especially for supplying water to the buildings of high water consumption.

Description

A kind of vacuum inhibition type pipe network does not have negative pressure supercharging unit

Technical field

The utility model relates to a kind of vacuum inhibition type pipe network does not have negative pressure supercharging unit.

Background technology

At present, the tap water booster station, the bigger water-supplying unit of water supply volume such as large-scale public buildings and large-scale sub-district, what mostly adopt when tap water pressure and underfed is that the mode of supercharging unit pressurized water supply supplies water, tradition supercharging unit mainly comprises electrical control cubicles and water tank, the water inlet end of water tank is communicated with running water pipe by water inlet pipe, the water side of water tank is communicated with service pipe by water main, water pump and one way valve are installed on the water main, pressure meter is installed on the service pipe, water pump, pressure meter is electrically connected with the electrical control cubicles formation, its operating principle is in advance tap water to be put in the water tank, and then the user is supplied with in the pressurization back of the water in the water tank by water pump, the weak point of this supercharging unit is: 1, user's water use peak phase or tap water supply pressure are hour, tradition supercharging unit can make water tank pressure reduce and form negative pressure, causes the urban water supply phenomenon of " robbing water "; When 2, tap water supply pressure satisfied user's water demand, tap water supplied water to the user through water pump, and the water pump that shuts down influences water supply flow, made the water supply utmost point not smooth.

The utility model content

The technical problems to be solved in the utility model is to provide a kind of smooth vacuum inhibition type pipe network that supplies water not have negative pressure supercharging unit at above-mentioned deficiency.

For solving the problems of the technologies described above, this vacuum inhibition type pipe network does not have negative pressure supercharging unit, comprise electrical control cubicles and water tank, the water inlet end of water tank is communicated with running water pipe by water inlet pipe, the water side of water tank is communicated with service pipe by water main, water pump and one way valve are installed on the water main, pressure meter is installed on the service pipe, water pump, pressure meter is electrically connected with the electrical control cubicles formation, its design feature is: be connected with the Bypass hose in parallel with water main between running water pipe and the service pipe, one way valve is installed on the Bypass hose, vacuum breaker and pressure meter are installed on the water tank, pressure meter is electrically connected with the electrical control cubicles formation.

Itself have certain pressure during tap water supply, when this pressure satisfies user's water requirements, tap water is divided into two road direction users and supplies water, one road tap water is water-filling in water tank earlier, vacuum breaker is opened automatically in the water filling process, air in the water tank is discharged, when water tank is filled, vacuum breaker is closed automatically, water in the water tank supplies water to service pipe through water main under the promotion of tap water hydraulic, because water pump was shut down when tap water hydraulic satisfied water supply,, have only sub-fraction to supply water to the user by water main so tap water utmost point when the water pump that process is shut down is not smooth; Another road tap water is through Bypass hose, through service pipe, and it is smooth to supply water, and when tap water hydraulic satisfied water requirements, most of tap water supplied water by Bypass hose; When tap water self hypotony can not satisfy user's water demand, electrical control cubicles is started shooting according to the hydraulic pressure value control of pump in the water tank, the water in the water tank is directly extracted in water pump start back, because the discharge pressure of water pump is greater than the pressure of supply water of running water pipe, so the hydraulic pressure in the water tank will reduce gradually, time of pumping has been grown even can have been formed a negative pressure, when pressure drops to certain value, vacuum breaker is opened automatically, just water tank and ambient atmosphere are communicated with, thereby reach the purpose of eliminating negative pressure, when the liquid level in the outlet pipe is reduced to a certain degree, the electrical control cubicles control of pump is shut down, and prevents water pump idle running; When being full of water once more in the water tank, electrical control cubicles starts water pump once more and supplies water, and guarantees the user is in time supplied water; When preventing that water pump pressurization from supplying water, the water after the pressurization flows back in the water tank by Bypass hose again, and Bypass hose is provided with one way valve, only allows tap water to flow to the user.

As improvement, more reliable in order to guarantee the supercharging unit operation, be parallel with standby water pipe on the water main, water pump and one way valve are installed on the standby water pipe, water pump is electrically connected with the switch board formation.

Can be used as reserve pump when the water pump of the water pump on the standby water pipe on water main damages and use, also can be used alternatingly, reduce the application life of water pump to avoid single water pump to work long hours with the water pump on the water main.

For the ease of safeguarding, gate valve is installed also on the standby water pipe.

For the ease of safeguarding, gate valve is installed also on the water main.

For the ease of safeguarding, gate valve is installed also on the Bypass hose.

In sum, adopt the supercharging unit of this structure, supply water smooth, no negative pressure, suitable building supply water and use, and are particularly suitable for the big building of water demand amount and use.

Description of drawings

In conjunction with the accompanying drawings the utility model is described in further detail:

Fig. 1 is a structural representation of the present utility model.

Among the figure: 1 is electrical control cubicles, and 2 is running water pipe, and 3 is service pipe, and 4 is water main, and 5 is standby water pipe, 6 is water pump, and 7 is one way valve, and 8 is water tank, and 9 is vacuum breaker, and 10 is water inlet pipe, 11 is pressure meter, and 12 is flap valve, and 13 is gate valve, and 14 is Bypass hose, and 15 is content gauge.

The specific embodiment

As shown in Figure 1, this vacuum inhibition type pipe network does not have negative pressure supercharging unit and comprises electrical control cubicles 1 and water tank 8, the water inlet end of water tank 8 is communicated with running water pipe 2 by water inlet pipe 10, the water side of water tank 8 is communicated with service pipe 3 by water main 4, water pump 6 and one way valve 7 are installed on the water main 4, water pump 6 is subjected to the control of electrical control cubicles 1, in order to reach real-time control of pump 6, electrical control cubicles 1 adopts frequency conversion control technique, can according to how many automatic rotating speeds of regulating water pump 6 of user's water supply volume, for the ease of detecting the liquid level of water tank 8, content gauge 15 is installed in the water tank 8, content gauge 15 will detect liquid level signal and send electrical control cubicles 1 to; In order in time to detect the pressure in the water tank 8, pressure meter 11 is installed on the water tank 8, pressure meter 11 sends detected pressure signal to electrical control cubicles 1; One way valve 7 on the water main 4 can be avoided the water column impact at the supply water protection water pump 6 that has a power failure suddenly when causing water column service pipe 3 in to fall of water pump 6, in order to prevent that one way valve 7 long-term works from causing losing efficacy, flap valve 12 and gate valve 13 also are installed on water main 4, can water main be cut off so that maintenance out of control the grade under the fortuitous event of water pipe; Damage and the water supply of can't pressurizeing in order to prevent that water main 4 is in operation, on the water exit end of water main 4, also be parallel with standby water pipe 5, water pump 6, one way valve 7, flap valve 12 and gate valve 13 are installed on the standby water pipe 5, water pump 6 on the standby water pipe 5 is accepted the variable frequency control of electrical control cubicles 1 equally, standby water pipe 5 both can be used alternatingly to increase the application life of water pump 6 with water main 4, can work simultaneously to increase pressure of supply water with water main 4 again; In order in time to detect effective supply user's tap water hydraulic, pressure meter 11 is installed on service pipe 3, pressure meter 11 sends hydraulic signal to electrical control cubicles 1, electrical control cubicles 1 judges it is to continue pressurized water supply or decompression water supply according to this hydraulic signal, have a power failure when preventing pressurized water supply and cause service pipe to fall pressure meter 11 is caused damage, one way valve 7 is installed at the front end of pressure meter 11 suddenly; Between running water pipe 2 and service pipe 3, also be communicated with the Bypass hose 14 in parallel with water main 4, when tap water self hydraulic pressure satisfies user's water demand, 1 pair of water pump 6 of electrical control cubicles sends stopping signal, the moisture two-way supplies water to the user from the beginning, lead up to water tank 8, water main 4 and standby water pipe 5 to service pipe 3 water supply, because water pump 6 is shut down, so this water supply path flow is little, supply water and directly supply water to service pipe 3 by Bypass hose 14 in another road, the water supply path is simple, unobstructed, is the main water supply path of tap water hydraulic when satisfying water requirements; When tap water self hydraulic pressure is crossed low and is not satisfied user's water demand, electrical control cubicles 1 is sent starting-up signal to water pump 6, detect the actual hydraulic pressure signal of service pipe 3 simultaneously, and then adjust the quantity of the rotating speed and the water pump 6 of water pump 6 in real time according to this hydraulic signal, discharge pressure up to water pump 6 satisfies user's water demand, form negative pressure when preventing that water pump 6 from drawing water in water tank 8, vacuum breaker 9 is installed on water tank 8, vacuum breaker 9 can also be discharged air in the water tank 8 according to the height of pressure during to water tank 8 water-fillings automatically at water inlet pipe 10, has guaranteed the effective rate of utilization of water tank 8 volumes; In order to prevent that water pump 6 is when the pressurized water supply, the water of discharging from water pump 6 flows back to water tank 8 again through Bypass hose 14, one way valve 7 is installed, for the convenience of safeguarding on Bypass hose 14, gate valve 13 also is installed on Bypass hose 14, can cuts off Bypass hose 14 at any time; In order to prevent that water pump 6 from draining the water in the water tank 8 and dally, electrical control cubicles 1 is cut off water pump 6 power supplys automatically according to the signal of content gauge 15, and when being full of water once more in the water tank 8, electrical control cubicles 1 control of pump 6 starts once more, thereby reaches the purpose of timely water supply.

Claims

1, a kind of vacuum inhibition type pipe network does not have negative pressure supercharging unit, comprise electrical control cubicles (1) and water tank (8), the water inlet end of water tank (8) is communicated with running water pipe (2) by water inlet pipe (10), the water side of water tank (8) is communicated with service pipe (3) by water main (4), water pump (6) and one way valve (7) are installed on the water main (4), pressure meter (11) is installed on the service pipe (3), water pump (6), pressure meter (11) is electrically connected with electrical control cubicles (1) formation, it is characterized in that: be connected with the Bypass hose (14) in parallel between running water pipe (2) and the service pipe (3) with water main (4), one way valve (7) is installed on the Bypass hose (14), vacuum breaker (9) and pressure meter (11) are installed on the water tank (8), and pressure meter (11) is electrically connected with electrical control cubicles (1) formation.

2, vacuum inhibition type pipe network as claimed in claim 1 does not have negative pressure supercharging unit, it is characterized in that: be parallel with standby water pipe (5) on the water main (4), water pump (6) and one way valve (7) are installed on the standby water pipe (5), and water pump (6) is electrically connected with switch board (1) formation.

3, vacuum inhibition type pipe network as claimed in claim 2 does not have negative pressure supercharging unit, it is characterized in that: gate valve (13) also is installed on the standby water pipe (5).

4, vacuum inhibition type pipe network as claimed in claim 1 or 2 does not have negative pressure supercharging unit, it is characterized in that: gate valve (13) also is installed on the Bypass hose (14).

5, vacuum inhibition type pipe network as claimed in claim 1 or 2 does not have negative pressure supercharging unit, it is characterized in that: gate valve (13) also is installed on the water main (4).