CN205421423U - Area monitoring and purification performance's energy -saving variable frequency water supply device - Google Patents

Abstract

The utility model relates to an energy-saving frequency conversion water supply device with monitoring and purification functions, comprising a water tank, on which a first connecting pipe is arranged to connect with a municipal water inlet pipe, and on the first connecting pipe, a main water inlet pipe valve is sequentially arranged , filter, electric butterfly valve and float valve, a water quality detection bypass is set between the filter and the electric butterfly valve, and a bypass valve, an adjustable pressure reducing valve, a water quality online residual chlorine tester and On-line water quality turbidity tester, integrated ultraviolet sterilizing device, pump unit and pressure tank, water quality on-line residual chlorine tester, water quality on-line turbidity tester, electric butterfly valve, liquid level detector and The integrated ultraviolet sterilizing device is connected with the electric control cabinet through wires. The utility model can ensure water quality safety, high efficiency and energy saving, compact structure, high automation level and safe use.

Description

An energy-saving frequency conversion water supply equipment with monitoring and purification functions

Technical field:

The utility model relates to secondary water supply equipment connecting municipal public water supply pipe networks and users, in particular to an energy-saving frequency conversion water supply equipment with monitoring and purification functions.

Background technique:

With the rapid development of social economy and science and technology, there are more and more high-rise buildings in the world today. Traditional water towers and high-level water tanks are difficult to meet the needs of modern water supply due to their serious pollution to water sources, inconvenient maintenance and management, and uneconomical operation. Therefore, people are looking for a water supply equipment with no pollution, high reliability, low energy consumption and high degree of automation.

At present, secondary water supply equipment commonly used in the market, due to insufficient water supply capacity of the tap water pipe network or limited by the characteristics of the building itself, secondary water supply equipment must be installed before the user's water pipeline to meet the user's water demand. The water inlet end of the existing secondary water supply equipment, the front end of the water supply equipment is directly connected to the urban water supply pipeline, and there is no ultraviolet sterilization device and water quality online monitoring equipment. Due to the increasingly serious water pollution, this cannot guarantee the safety of water quality at all; the existing secondary water supply equipment The water inlet control of the secondary water supply equipment adopts the water inlet float valve, without the electric butterfly valve, which cannot be linked with the control system of the equipment. Some secondary water supply equipment generally do not have small flow pumps and air pressure tanks, which will cause frequent start and stop of the main water pump, waste electric energy, not enough energy saving, and may cause water hammer and other impacts on equipment safety.

Utility model content:

The purpose of this utility model is to provide an energy-saving non-negative pressure water supply equipment with purification function for the above-mentioned shortcomings of the existing technology, which can ensure water quality safety, high efficiency and energy saving, compact structure, high automation level, and safe use. solve the problems in the prior art.

The technical scheme that the utility model adopts for solving the problems of the technologies described above is:

An energy-saving frequency conversion water supply equipment with monitoring and purification functions, including a water tank, on which a first connecting pipe is arranged to connect with a municipal water inlet pipe, and the first connecting pipe is sequentially provided with main water inlet valves, Filter, electric butterfly valve and float valve, a water quality detection bypass connected to the first connecting pipeline is provided between the filter and the electric butterfly valve, and a bypass valve, an adjustable decompression valve, and an adjustable decompression are arranged sequentially on the water quality detection bypass along the water flow direction Valve, water quality online residual chlorine tester and water quality online turbidity tester, with an overflow on one side of the water tank, a liquid level detector on the water tank, and a second connecting pipe at the bottom of the water tank to connect with the user's water pipe. Along the direction of water flow, an integrated ultraviolet sterilizing device, a pump set and a pressure tank, an online water quality residual chlorine tester, an online water quality turbidity tester, an electric butterfly valve, a liquid level detector and an integrated ultraviolet sterilizing device are sequentially installed on the second connecting pipeline The device is connected with the electric control cabinet through wires.

Preferably, the pump set includes several main water pump branches and an auxiliary water pump branch arranged in parallel, the main water pump branch is provided with a water inlet valve, a main water pump, a check valve and a water outlet valve in sequence along the water flow direction, and the auxiliary water pump branch The water inlet valve, the auxiliary water pump, the check valve and the water outlet valve are successively arranged along the water flow direction, and the main water pump and the auxiliary water pump are connected with the electric control cabinet through wires.

Preferably, a pressure detector and a mechanical pressure switch connected to the second connecting pipeline are provided between the pump group and the air pressure tank, and the pressure detector and the mechanical pressure switch are connected to the electric control cabinet through wires.

Preferably, a sewage pipe is provided at the bottom of the water tank.

Compared with the prior art, the utility model has the advantages of: the water quality can be monitored online in real time, and has the sterilization function of the integrated ultraviolet sterilizing device; the auxiliary water pump supplies water normally during the low peak period of water use, and the water use equipment enters a small flow pressure maintaining state at night, and the equipment Enter the dormant state to save electric energy; the integrated ultraviolet sterilizing device adopted is compact in structure, takes up less space, and saves infrastructure investment; it has a high level of automation, saves labor, and has the function of automatic switching and adjustment during peak water consumption to meet different water conditions and improve the quality of life. The stability and reliability of the system prevent water hammer, effectively prolong the service life of the equipment, and make it safe to use.

Description of drawings:

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

In the figure, 1. Water tank, 2. First connecting pipe, 3. Water quality detection bypass, 4. Second connecting pipe, 5. User water pipe, 6. Electric control cabinet, 7. Main water pump branch, 8. Auxiliary Water pump branch, 9, sewage pipe, 11, overflow port, 12, liquid level detector, 21, main water inlet pipe valve, 22, filter, 23, electric butterfly valve, 24, float valve, 31, bypass valve, 32 , adjustable pressure reducing valve, 33, online residual chlorine tester, 34, online water quality turbidity tester, 41, integrated ultraviolet sterilizing device, 42, air pressure tank, 43, pressure detector, 44, mechanical pressure switch, 70, water inlet valve, 71, main water pump, 72, check valve, 73, water outlet valve, 81, auxiliary water pump.

detailed description:

In order to clearly illustrate the technical features of this solution, the utility model will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

As shown in Figure 1, an energy-saving frequency conversion water supply equipment with monitoring and purification functions, including a water tank 1, on which a first connecting pipe 2 is provided to connect with the municipal water inlet pipe, and the first connecting pipe is connected along the water flow direction 2 is sequentially provided with a main water inlet valve 21, a filter 22, an electric butterfly valve 23 and a float valve 24, and a water quality detection bypass 3 connected to the first connecting pipe 2 is provided between the filter 22 and the electric butterfly valve 23, along the The water flow direction is provided with a bypass valve 31, an adjustable pressure reducing valve 32, an online water quality residual chlorine tester 33 and a water quality online turbidity tester 34 in sequence on the water quality detection bypass 3, and an overflow port is provided on the upper side of the water tank 1 11. A liquid level detector 12 is provided on the water tank, and a second connection pipe 4 is provided at the bottom of the water tank to connect with the user water pipe 5, and an integrated ultraviolet sterilizing device 41, pump Group and pressure tank 42, water quality online residual chlorine tester 33, water quality online turbidity tester 34, electric butterfly valve 23, liquid level detector 12 and integrated ultraviolet ray sterilization device 41 are connected with electric control cabinet 6 by wire.

The pump group includes several main water pump branches 7 and an auxiliary water pump branch 8 arranged in parallel. The main water pump branch 7 is sequentially provided with a water inlet valve, a main water pump 71, a check valve and an outlet valve along the water flow direction, and the auxiliary water pump The branch 8 is provided with a water inlet valve, an auxiliary water pump 81 , a check valve and an outlet valve in sequence along the water flow direction. The main water pump 71 and the auxiliary water pump 81 are connected to the electric control cabinet 6 through wires. The main water pump branch 7 has at least two lines, one is on and the other is on standby. The main water pump 71 is used in occasions with large water consumption, and the auxiliary water pump 81 can be used in the low peak period of user water consumption. It can be used with the air pressure tank 42 to fully meet the small flow state Use, the energy saving effect is better, and it can prevent water hammer, effectively prolonging the service life of the equipment. Both the main water pump 71 and the auxiliary water pump 81 can use variable frequency motors, which saves electric energy and is easy to adjust the flow.

A pressure detector 43 and a mechanical pressure switch 44 connected to the second connecting pipe 4 are arranged between the pump group and the air pressure tank 42, and the pressure detector 43 and the mechanical pressure switch 44 are connected to the electric control cabinet 6 through wires. The pressure detector detects the pressure signal on the user side, and can control the switch and switch sequence of the main water pump 71 and the auxiliary water pump 81. The mechanical pressure switch 44 is used for abnormal pressure changes or emergency situations, and can directly cut off the second connecting pipe 4 to protect Device security.

The bottom of the water tank 1 is provided with a sewage pipe 9 . The sewage pipe 9 is used for maintenance or cleaning of the water tank 1.

During use, the municipal water enters the water tank 1 from the first connecting pipe 2 through the main water inlet valve 21, the filter 22, the electric butterfly valve 23 and the float valve 24, and then the water in the water tank 1 enters into the first water tank located at the bottom of the water tank 1. The second connecting pipeline 4 is sterilized by the integrated ultraviolet sterilizing device 41 , powered by the pump unit, pressure detector 43 , mechanical pressure switch 44 and air pressure tank 42 into the user water pipeline 5 . After the municipal water enters the first connecting pipeline 2, a branch passes through the bypass valve 31 and the adjustable pressure reducing valve 32, and after the pressure is adjusted to the specified pressure, it enters the online water quality residual chlorine tester 33 and the water quality online turbidity tester 34. The water quality online residual chlorine tester 33 and the water quality online turbidity tester 34 transmit the water quality test results to the electric control cabinet 6. If the water quality is unqualified, the electric control cabinet 6 controls to close the electric butterfly valve 23. In addition, when the water level in the water tank 2 exceeds the overflow port 11, the ball float valve 24 is automatically closed, which can prevent the water in the water tank 2 from continuing to overflow and cause a water leakage accident; In the case of mandatory water use, the electric butterfly valve 23 can be used to close the water supply, and the water in the water tank 2 will be used up within a specified time to ensure the freshness of the water quality and prevent the existence of stagnant water. Generally, the floating ball valve 24 provided in the water tank 2 is linked with the electric butterfly valve 23 to control the liquid level of the water tank to ensure safety and sufficient water. During the peak period of water consumption by users, the utility model realizes normal constant pressure and frequency conversion water supply to meet the requirements of users. When the user's water consumption enters the low peak period of water consumption, especially in the case of no water at night, the utility model enters a dormant state, the equipment is shut down to maintain pressure, and water with a certain pressure is stored in the air pressure tank 42 to play the role of energy storage. In the case of small flow, the water in the pressure tank 42 is preferentially used. In this state, the pump set will not start. When the water stored in the pressure tank 42 is used up, the pressure detector 43 reaches the value set by the program, and the auxiliary water pump branch 8 is preferentially started to meet the small flow of water, save electric energy, and achieve the purpose of energy saving.

The above-mentioned specific implementation manners cannot be used as limitations on the protection scope of the present utility model. For those skilled in the art, any substitution, improvement or transformation made to the implementation manners of the present utility model falls within the protection scope of the present utility model.

The parts of the utility model that are not described in detail are the known techniques of those skilled in the art.

Claims (4)

1. null1. a band monitoring and the energy-saving type frequency conversion supply equipment of purification function，It is characterized in that: include water tank，Water tank is provided with the first connection pipeline be connected with municipal administration inlet channel，On the first connection pipeline, it is sequentially provided with main water inlet tube valve along water (flow) direction、Filter、Electric butterfly valve and ball-cock assembly，It is provided with between filter and electric butterfly valve and is connected the water quality detection bypass that pipeline is connected with first，In water quality detection bypass, it is sequentially provided with bypass valve along water (flow) direction、Adjustable compression release valve、Water quality online chlorine residue tester and water quality online turbidity tester，It is provided with gap at water tank one upper lateral part，Water tank is provided with liquid level detector，Water tank bottom is provided with the second connection pipeline and is connected with waterpipe with user，On the second connection pipeline, it is sequentially provided with integrated ultraviolet line sterilizing unit along water (flow) direction、Pump group and air pressure tank，Water quality online chlorine residue tester、Water quality online turbidity tester、Electric butterfly valve、Liquid level detector and integrated ultraviolet line sterilizing unit are connected with electrical control cubicles by wire.
2. A kind of band the most according to claim 1 monitoring and the energy-saving type frequency conversion supply equipment of purification function, it is characterized in that: described pump group includes some feed pump branch roads being arranged in parallel and an auxiliary water pump branch road, feed pump props up curb water (flow) direction and is sequentially provided with inlet valve, feed pump, check-valves and flowing water Valve, auxiliary water pump props up curb water (flow) direction and is sequentially provided with inlet valve, auxiliary water pump, check-valves and flowing water Valve, and feed pump is connected with electrical control cubicles by wire with auxiliary water pump.
3. A kind of band the most according to claim 1 monitoring and the energy-saving type frequency conversion supply equipment of purification function, it is characterized in that: being provided with between described pump group and air pressure tank and be connected pressure detector and the mechanical pressure switch that pipeline is connected with second, pressure detector is connected with electrical control cubicles by wire with mechanical pressure switch.
4. A kind of band the most according to claim 1 monitoring and the energy-saving type frequency conversion supply equipment of purification function, it is characterised in that: described water tank bottom is provided with blow-off pipe.