CN201209262Y - Non-negative pressure automatic water supply flow compensator - Google Patents

Abstract

The utility model relates to a no-negative pressure automatic water supply flow compensator which comprises a negative pressure storehouse, a no-negative pressure device and a water inlet are arranged on the top of the negative pressure storehouse, the bottom of the negative pressure storehouse is provided with a water outlet, the water inlet is connected with a civicism pipe network tap water pipe, the water outlet is connected with a consumer pipe network, and a pipeline pump is arranged on a pipeline between the front end of the civicism pipe network and the water outlet. The flow compensator is characterized in that a high-pressure storehouse is additionally arranged in the negative pressure storehouse and comprises a steel tank and a capsule, the capsule is arranged in the steel tank, the bottom of the steel tank is provided with an air inflating hole, water is filled in the capsule, and the water outlet is connected to the consumer pipe network. When the flow compensator is used, because a consumer tap can not tightly closed or the pipeline drops and leaks to cause the pressure variation of the pipe network, the high-pressure storehouse can automatically regulate and balance the pressure of the pipe network, the starting times of a water pump can be reduced, and consequently, the device service life is prolonged. The flow compensator can directly and continuously carry out secondary water supply for the water supply pipe network, the original water supply pipe network pressure is not destroyed, and the energy conservation effect is obvious.

Description

Non-negative pressure automatic feed water flow compensator

technical field

The utility model belongs to non-negative pressure tap water supply equipment, in particular to a non-negative pressure automatic water supply flow compensator.

Background technique

Residential areas, hotels and high-rise buildings are all equipped with secondary pumping stations for tap water to provide users with tap water continuously. But it occupies a large area and is noisy. The non-negative pressure automatic water supply equipment overcomes the problems existing in the secondary pumping station, and continuously supplies water to users without a booster pumping station. A structure of the device (or called a flow compensator) includes a negative pressure chamber with a non-negative pressure device, the water inlet is connected to the tap water pipe of the municipal pipe network, and the bottom water outlet is connected to the user pipe network. A pipeline pump is installed on the pipeline between the front end of the user pipe network and the water outlet. The tap water of the municipal pipe network enters the negative pressure chamber. When the water is full, the non-negative pressure device automatically closes. The pressure in the negative pressure chamber is the pressure of the municipal pipe network. The tap water in the warehouse is supplemented with water, and after the pressure of the municipal pipe network is restored, the non-negative pressure device is closed. The pipeline pump (silent pump) adjusts the speed of the water pump through the frequency conversion control cabinet. Through the pressure sensor, the change of the parameters in the pipe is sensed and converted into an electrical signal, which is transmitted to the water supply controller. After analysis and calculation, the controller outputs the signal according to the calculation result. The frequency converter is used to control the speed of the water pump, so that the water supply system can adjust the speed of the water pump at any time according to the change of the user's water consumption to achieve constant pressure water supply. However, in the process of use, the user's faucet is not closed tightly or the dripping and leaking of the pipeline will cause the pressure of the pipe network to change, causing the water pump to start frequently, thereby reducing the service life of the equipment.

Contents of the invention

The technical problem to be solved by the utility model is to provide a non-negative pressure automatic water supply flow compensator, which can directly and continuously supply secondary water to the user pipe network, save electricity, avoid frequent start-up of the water pump, and improve service life.

The utility model non-negative pressure automatic water supply flow compensator includes a negative pressure chamber, a negative pressure device and a water inlet are installed on the top of the negative pressure chamber, and a water outlet is provided at the bottom of the negative pressure chamber, and the water inlet is connected to the tap water pipe of the municipal pipe network. The water outlet is connected to the user's pipe network, and a pipeline pump is installed on the pipeline between the front end of the user's pipe network and the water outlet. It is characterized in that a high-pressure chamber is added in the negative pressure chamber. Inside the tank, there is an air filling port at the bottom of the steel tank, the capsule is filled with water, and the water outlet is connected to the user pipe network.

When in use, fill the capsule in the high-pressure chamber with tap water in advance, and fill the steel tank with an inert gas such as nitrogen through the gas filling port to balance the pressure in the negative pressure chamber (municipal pipe network pressure). The tap water from the municipal pipe network is directly connected to the negative pressure chamber. When the negative pressure chamber is full, the non-negative pressure device will automatically shut down. The pressure of the negative pressure chamber and the high pressure chamber is the pressure of the municipal pipe network. At this time, the high pressure chamber is filled with high pressure water and absorbs and balances the pressure fluctuation caused by water, so that the water supply is more stable. When the water supply Q _{goes out of} the peak water supply > Q _enters the peak water supply, the non-negative pressure device will automatically open, and the tap water in the negative pressure chamber will replenish the water used in the peak period. After the peak period, the negative pressure chamber will be filled with water, and the non-negative pressure device will be automatically closed. , at this time the pressure of the high pressure chamber is the pressure of the user pipe network. When the water consumption reaches the low peak period, the entire water supply system enters a "sleeping" state, all water pumps stop working, and the high-pressure water in the high-pressure chamber maintains the water supply for the user pipe network. When the water volume gradually increases, the pipeline pump turns on the constant pressure to supply water to the user's pipe network and replenish energy to the high-pressure chamber. Therefore, in the process of use, the pressure of the pipe network will change due to the lax closure of the user's faucet or the dripping and leaking of the pipeline. The high-pressure chamber will automatically adjust the pressure of the balanced pipe network to reduce the number of times the pump is started, thereby improving the service life of the equipment.

Advantage of the utility model:

1. The flow compensator can directly and continuously supply secondary water to the water supply network without destroying the pressure of the original water supply network. It can realize frequency conversion and speed regulation, and the effect of power saving and energy saving is remarkable.

2. The pressure of the pipe network will change due to the lax closure of the user's faucet or the dripping or leaking of the pipeline. The high-pressure chamber will automatically adjust the pressure of the balanced pipe network to reduce the number of times the pump is started, thereby improving the service life of the equipment.

3. Compact equipment, small footprint, no noise, flexible combination, strong applicability, especially suitable for high-rise water supply.

Description of drawings

Fig. 1 is the structure of the utility model and the reference diagram of using state.

In the figure: 1 Negative pressure chamber 2 No negative pressure device 3 Steel tank 4 Capsule 5 Inflatable port 6 Water inlet 7 Cleaning and sewage outlet 8 High pressure water pipeline 9 Pipeline pump 10 Pressure sensor 11 Gate valve 12 Connecting user pipe network pipeline 13 Partition plate 14 Ultraviolet light Sterilizer 15 Filter 16 Gate Valve 17 Check Valve 18 Negative Pressure Gauge 19 Municipal Pipeline Water Pipe 20 Frequency Conversion Automatic Water Supply Equipment

Detailed ways

Fig. 1 is the accompanying drawing of the embodiment of the utility model. Below in conjunction with embodiment accompanying drawing description.

The non-negative pressure automatic water supply flow compensator is composed of a negative pressure chamber 1, a high pressure chamber and a non-negative pressure device 2. The high pressure chamber is composed of a steel tank 3 and a capsule 4. The capsule 4 is set in the steel tank 3. The bottom of the steel tank has a Inflating port 5 (nitrogen-filled), the capsule 4 is filled with water, and the water outlet is connected to the user's pipe network through a high-pressure water pipeline 8. The top of negative pressure storehouse 1 installs non-negative pressure device 2 and water inlet 6, and water inlet 6 connects municipal pipe network tap water pipe 19 (various functional parts that are set on the municipal pipe network tap water pipe, as ultraviolet sterilizer 14, filter 15 , gate valve 16, check valve 17, negative pressure gauge 18, etc. are all known technologies), the bottom of the negative pressure chamber has a water outlet, and the water outlet is connected to the user pipe network pipeline 12 to be connected to the user. A pipeline pump 9 (pipeline silent pump) is arranged on the pipeline between the front end of the pipe network pipeline 12) and the water outlet. The frequency conversion automatic water supply equipment 20 (the frequency conversion control cabinet and the water supply controller are integrated) is used to control the action of the non-negative pressure device 2, the pipeline pump 9 and the pressure sensor 10, and is set with reference to the prior art or any achievable mode.

During use, the capsule 4 in the high-pressure chamber is filled with tap water in advance, and inert gases such as nitrogen are filled in the steel tank 3 through the gas filling port 5, and are balanced with the pressure in the negative pressure chamber 1 (municipal pipe network pressure). The tap water from the municipal pipe network is directly connected to the negative pressure chamber 1, and when the negative pressure chamber is full, the non-negative pressure device 2 is automatically closed. The pressure of the negative pressure chamber and the high pressure chamber is the pressure of the municipal pipe network. On this basis, the pipeline pump 9 (silent pump) adjusts the speed of the water pump through the frequency conversion control cabinet, and the pressure sensor 10 senses the change of the parameters in the pipe and converts it into an electrical signal. , transmitted to the water supply controller, after analysis and calculation, the controller then sends the output signal to the frequency converter according to the calculation results, and the frequency converter controls the speed of the water pump, so that the water supply system can adjust the speed of the water pump (pipeline pump) at any time according to the change of the user's water consumption. Constant pressure water supply. At this time, the high-pressure chamber is filled with high-pressure water and absorbs and balances the pressure fluctuation caused by water, so that the water supply is more stable. When the water supply Q _{goes out of} the peak water supply > Q _enters the peak water supply, the non-negative pressure device will automatically open, and the tap water in the negative pressure chamber will replenish the water used in the peak period. After the peak period, the negative pressure chamber will be filled with water, and the non-negative pressure device will be automatically closed. , at this time the pressure of the high pressure chamber is the pressure of the user pipe network. When the water consumption reaches the low peak period, that is, when the frequency of the inverter reaches the lower limit of the frequency, and the pressure of the high-pressure chamber gradually increases to a certain pressure value (the upper limit of the pressure value), the controller stops outputting signals, and the entire water supply system enters a "sleep" state. All water pumps stop working, and the high-pressure water in the high-pressure chamber maintains the water supply of the user pipe network. When the water volume gradually increases (the pressure value reaches the lower limit), the system will automatically "wake up" the pipeline pump to supply water to the user's pipeline network at constant pressure, and replenish energy to the high-pressure chamber. Therefore, in the process of use, the pressure of the pipe network will change due to the lax closure of the user's faucet or the dripping and leaking of the pipeline. The high-pressure chamber will automatically adjust the pressure of the balanced pipe network to reduce the number of times the pump is started, thereby improving the service life of the equipment. The flow compensator makes full use of the pipe network pressure and the "sleep" and "wake-up" functions to realize the secondary water supply, and the power saving rate is 30-80%, and the energy-saving effect is remarkable.

Claims (1)

1, a kind of no negative pressure self water feeding flow compensator, comprise negative pressure cabin (1), the top of negative pressure cabin (1) is installed and is had or not negative pressure device (2) and water inlet (6), the negative pressure cabin bottom has delivery port, water inlet (6) connects city planting ductwork running water pipe (19), delivery port connects user's pipe network, tubing pump (9) is set on the pipeline between user's pipe network front end and the delivery port, it is characterized in that in negative pressure cabin (1), being added with high-pressure chamber, high-pressure chamber is by cylinder of steel (3), capsule is formed (4), and capsule (4) is arranged in the cylinder of steel (3), and cylinder of steel (3) bottom has inflation inlet (5), water-filling in the capsule, delivery port is connected on user's pipe network.

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