CN205387735U - Take purification performance's energy -saving no negative pressure water supply equipment - Google Patents

Abstract

The utility model relates to an energy-saving non-negative pressure water supply device with a purification function, which includes a steady flow compensator. A partition is vertically arranged inside the steady flow compensator. One side of the partition is a steady flow chamber and the other side is a It is a high-pressure chamber. There is a first connecting pipe connected to the municipal water inlet pipe on the top of the steady flow chamber. The first connecting pipe is provided with a main water inlet valve, a filter and a check valve in sequence along the water flow direction. On the top of the steady flow chamber A negative pressure suppressor and a first pressure detector are provided, and a second connecting pipe is provided at the bottom of the steady flow chamber to connect with the user water pipe, and an integrated ultraviolet sterilizing device, a pump group and The air pressure tank, the negative pressure suppressor, the first pressure detector and the integrated ultraviolet sterilizing device are connected with the electric control cabinet through wires. The utility model can ensure the safety of water quality, has high efficiency and energy saving, compact structure and high automation level.

Description

An energy-saving non-negative pressure water supply equipment with purification function

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 non-negative pressure water supply equipment with purification function.

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, the common secondary water supply equipment on the market is insufficient for the water supply capacity of the water pipe network or is limited by the characteristics of the building itself. Secondary water supply equipment with stainless steel water tanks must be installed at the front end to meet the water demand of users. At present, ordinary water supply equipment on the market can only be connected to a single stainless steel water tank, and water is taken from the stainless steel water tank. Due to the needs of the user's water pressure, the motor may need to be started frequently, and the energy consumption is high; A new storage tank is required, which increases the volume and investment of the device. In addition, the water inlet end of the existing secondary water supply equipment and the front end of the water supply equipment are directly connected to the urban water supply pipeline, and there is no ultraviolet sterilizing device, so the safety of water cannot be guaranteed.

Utility model content:

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

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

An energy-saving non-negative pressure water supply equipment with purification function, including a steady flow compensator, a partition is arranged inside the steady flow compensator, a steady flow chamber is on one side of the partition, and a high pressure chamber is on the other side. The top of the flow chamber is provided with a first connecting pipe connected to the municipal water inlet pipe. The first connecting pipe is provided with a main water inlet valve, a filter and a check valve in sequence along the water flow direction, and a negative pressure suppression valve is also installed on the top of the flow chamber. device and the first pressure detector, a second connecting pipe is provided at the bottom of the steady flow chamber to connect with the user’s water pipe, and an integrated ultraviolet sterilizing device, a pump set and a pressure tank are arranged in sequence along the direction of water flow on the second connecting pipe, and the negative pressure The suppressor, the first pressure detector and the integrated ultraviolet sterilizing device are connected with the electric control cabinet through wires.

Preferably, the pump group includes several pump group branches arranged in parallel and a regulating branch circuit. A check valve and an outlet valve are arranged in turn in the direction, and a steady flow compensator branch connected to the regulating branch is arranged between the check valve and the outlet valve. The steady flow compensator branch is connected to the bottom of the high pressure chamber, and the frequency conversion pump passes through The wires are connected to the electric control cabinet.

Preferably, a second 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 second pressure detector and the mechanical pressure switch are respectively connected to the electric control cabinet through wires .

Preferably, drain pipes are respectively provided at the bottom of the steady flow chamber and the high pressure chamber.

Compared with the prior art, the utility model has the advantages of a protective welding double air bag pipeline sealing device: the water is sterilized by the integrated ultraviolet sterilizing device, and it is safe to use; In the state of small flow and pressure holding, the equipment enters the dormant state, saving electric energy; the integrated ultraviolet sterilizing device and steady flow compensator are compact in structure, occupying less space, and saving infrastructure investment; high level of automation, quick automatic switching; system stability and reliability Well, prevent water hammer and effectively prolong the service life of the equipment.

Description of drawings:

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

In the figure, 1. Steady flow chamber, 2. High pressure chamber, 3. First connecting pipe, 4. Second connecting pipe, 5. User water pipe, 6. Electric control cabinet, 7. Pump group branch circuit, 8. Regulation Branch, 9, steady flow compensator branch, 10, clapboard, 11, negative pressure suppressor, 12, first pressure detector, 13, sewage pipe, 31, main water inlet valve, 32, filter, 33 , Check valve, 41, integrated ultraviolet sterilizing device, 42, air pressure tank, 43, second pressure detector, 44, mechanical pressure, 71, main 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 non-negative pressure water supply equipment with purification function includes a steady flow compensator, a partition 10 is arranged inside the steady flow compensator, and a steady flow chamber 1, The other side is the high-pressure chamber 2. On the top of the steady flow chamber 1, a first connecting pipe 3 is provided to connect with the municipal water inlet pipe. The first connecting pipe 3 is provided with a main water inlet valve 31, a filter 32 and The check valve 33 is also provided with a negative pressure suppressor 11 and a first pressure detector 12 at the top of the steady flow chamber, and a second connecting pipe 4 is provided at the bottom of the steady flow chamber 1 to connect with the user water pipe 5, and the second connecting pipe 4 is provided with an integrated ultraviolet sterilizing device 41, a pump group and an air pressure tank 42 sequentially along the water flow direction, and the negative pressure suppressor 11, the first pressure detector 12 and the integrated ultraviolet sterilizing device 41 are connected to the electric control cabinet 6 through wires.

The pump group includes several pump group branches 7 and a regulation branch 8 arranged in parallel, the pump group branch 7 is provided with an inlet valve, a frequency conversion water pump 71, a check valve and an outlet valve in sequence along the water flow direction, and the regulation branch 8 A check valve and an outlet valve are arranged sequentially along the water flow direction, and a steady flow compensator branch 9 connected with the regulation branch 8 is arranged between the check valve and the outlet valve on the regulation branch 8, and the steady flow compensator branch The road 9 is connected to the bottom of the high pressure chamber 2, and the frequency conversion water pump 71 is connected to the electric control cabinet 6 through wires. The pump group branch 7 has at least two circuits, one is on and the other is on standby. The frequency conversion water pump 71 is used in occasions with large water consumption, and the high-pressure chamber 2 connected to the regulating branch 8 can be used in the low peak period of user water consumption, and is used in conjunction with the pressure tank 42. It can fully meet the use of small flow conditions, has better energy saving effect, and can prevent water hammer, effectively prolonging the service life of the equipment.

A second pressure detector 43 and a mechanical pressure switch 44 connected to the second connection pipeline 4 are arranged between the pump group and the air pressure tank 42, and the second pressure detector 43 and the mechanical pressure switch 44 are respectively connected to the electric wire by wires. The control cabinet 6 is connected. The second pressure detector detects the pressure signal on the user side, and can control the switch of the frequency conversion water pump 71. The mechanical pressure switch 44 can directly cut off the second connecting pipe 4 when the pressure changes abnormally or in an emergency, so as to protect the safety of the equipment.

The bottoms of the steady flow chamber 1 and the high pressure chamber 2 are respectively provided with blowdown pipes 13 . The blowdown pipe 13 is used for maintenance or cleaning of the steady flow chamber 1 and the high pressure chamber 2 .

During use, the municipal water enters the steady flow chamber 1 from the first connecting pipe 3 through the main water inlet valve 31, the filter 32 and the check valve 33, and then the water in the steady flow chamber 1 enters into the steady flow chamber 1. The second connecting pipeline 4 at the bottom is sterilized by the integrated ultraviolet sterilizing device 41 , powered by the pump unit, the second pressure detector 43 , the mechanical pressure switch 44 and the air pressure tank 42 into the user water pipeline 5 . After the municipal water enters the pump set, part of the water enters the high-pressure chamber 2 through the steady flow compensator branch 9 connected with the regulating branch 8 for storage. During the peak period of water consumption by users, the device of 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 device of the present invention enters a dormant state, the equipment is shut down to keep the pressure, and water of a certain pressure is stored in the air pressure tank 42 and the high pressure chamber 2 to play the role of energy storage. role. 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 in use, the high-pressure chamber 2 supplies water through the steady flow compensator branch 9 and the regulating branch 8, and when the pressure detected by the second pressure detector 43 drops to the value set by the program, The frequency conversion water pump 71 starts to provide water for the user, and also fills the high-pressure chamber 2 and the pressure tank 42, thereby achieving the purpose of energy saving.

The above-mentioned specific implementation manners cannot be regarded as limitations on the protection scope of the present utility model. For those skilled in the art, any alternative improvements or transformations made to the embodiments of the present utility model fall 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. An energy-saving non-negative pressure water supply equipment with purification function, characterized in that: it includes a steady flow compensator, and a partition is vertically arranged inside the steady flow compensator, and one side of the partition is a steady flow chamber, and the other One side is a high-pressure chamber. On the top of the steady flow chamber, there is a first connecting pipe connected to the municipal water inlet pipe. The first connecting pipe is provided with a main water inlet valve, a filter and a check valve in sequence along the water flow direction. A negative pressure suppressor and a first pressure detector are provided on the top of the chamber, and a second connecting pipe is provided at the bottom of the steady flow chamber to connect with the user’s water pipe, and an integrated ultraviolet sterilizing device and a pump are arranged in sequence along the water flow direction on the second connecting pipe. The group and the pressure tank, the negative pressure suppressor, the first pressure detector and the integrated ultraviolet sterilizing device are connected with the electric control cabinet through wires. 2. A kind of energy-saving non-negative pressure water supply equipment with purification function according to claim 1, characterized in that: the pump group includes several pump group branches arranged in parallel and a regulating branch circuit, the pump group branch circuit Along the direction of water flow, there are inlet valves, frequency conversion pumps, check valves and outlet valves in sequence, and the regulating branch is provided with check valves and outlet valves in sequence along the direction of water flow, and an adjusting branch is arranged between the check valve and the outlet valve The branch circuit of the connected constant current compensator is connected with the bottom of the high pressure cavity, and the variable frequency water pump is connected with the electric control cabinet through wires. 3. An energy-saving non-negative pressure water supply device with purification function according to claim 1, characterized in that: a second pressure detector connected to the second connecting pipeline is provided between the pump set and the air pressure tank and a mechanical pressure switch, the second pressure detector and the mechanical pressure switch are respectively connected to the electric control cabinet through wires. 4. The energy-saving non-negative pressure water supply equipment with purification function according to claim 1, characterized in that: the bottoms of the steady flow chamber and the high pressure chamber are respectively provided with sewage pipes.