CN204715453U - A kind of Intelligent silent pipe network Pressure-superposed water supply equipment - Google Patents

Abstract

The utility model provides an intelligent mute pipe network superimposed water supply device that does not pollute the water quality, has a high degree of intelligence, is energy-saving and environmentally friendly, and has low noise during operation, which can prevent backflow of the water body and realize remote control. It includes municipal water inlet, backflow preventer, steady flow tank, water pump unit, air pressure tank, frequency conversion control cabinet, main water outlet and remote control terminal; the municipal water inlet is connected to the steady flow tank through the backflow preventer, and the steady flow tank and The water pump unit is connected; the water pump unit is respectively connected with the air pressure tank and the main water outlet; the water pump unit includes the third butterfly valve, the water pump, the check valve and the fourth butterfly valve connected in sequence; the water pumps used in the water pump unit are all built-in American Franklin motors The Italian U-FLO silent in-line pump; the first pressure sensor, the second pressure sensor, the water pump and the third pressure sensor are all electrically connected to the frequency conversion control cabinet; the remote control terminal is wirelessly connected to the frequency conversion control cabinet.

Description

An intelligent silent pipe network superimposed water supply equipment

technical field

The utility model relates to a water supply device, in particular to an intelligent silent pipe network superimposed pressure water supply device.

Background technique

Modern high-rise buildings have higher and higher requirements for municipal water supply pressure. However, if the urban water supply pressure is too high, it will cause some old pipes to burst, causing problems in the entire urban water supply system. Now there are many high-rise buildings, the demand for pipe network superimposed water supply equipment is increasing, and the requirements are also getting higher and higher.

Pipe network superimposed water supply equipment, in fact, is what we often call non-negative pressure frequency conversion water supply equipment, also known as frequency conversion non-negative pressure water supply equipment. According to the information of the "Water Supply Equipment Promotion Center", it breaks through the misunderstanding that it can only pressurize unpressurized water in the past, and ensures the limited pressurization of the equipment through the control of the fluid flow state. No pressure impact on the pipe network. Installing pipe network superimposed water supply equipment in the front section of the user can solve the problem that tap water cannot be delivered to users due to the pressure limit of the pipe network, and meet the needs of remote high-lying users. The water transmission and distribution network is an important part of the urban water supply system. It is responsible for the task of transporting and distributing water to users to meet the needs of users for water quality and water pressure. Due to the wide distribution of the water supply network, long distances, and high demand for raw materials, it accounts for a relatively high proportion of investment in the water supply system, and plays an insignificant role in the total investment in the tower-free water supply equipment. In the process of water transmission and distribution, a lot of energy is consumed. 90% of the energy consumption of the water supply company is used for the hydraulic upgrading of the primary and secondary pumping stations, and this energy consumption accounts for 30%-40% of the cost of water production. The operation status of the water distribution pipe network directly affects the water supply pressure and water volume, and affects the service quality. Therefore, the water transmission and distribution network occupies an important position in the water supply system.

The inventor of this patent application has found through long-term practice that the pipe network superimposed water supply equipment in the prior art has the following disadvantages in actual use: 1. The pipe material is easy to rust, and the water quality will be polluted by the equipment. 2. The intelligence of the equipment is not enough, and the controllability is poor. 3. The equipment cannot adjust the output of the water pump by itself according to the pressure, so too much power is wasted. 4. The equipment is too noisy during operation, causing noise pollution to the surrounding environment. 5. It cannot prevent the water from flowing back from the equipment back into the water main. 6. Remote control cannot be realized.

Utility model content

The technical problem to be solved by the utility model is to provide a self-component that will not pollute the water quality, has a high degree of intelligence, can automatically adjust the output pressure according to the pressure, is energy-saving and environmentally friendly, and has low noise during operation, which can prevent the backflow of the water body and realize Remotely controlled intelligent silent pipe network superimposed water supply equipment.

In order to solve the above technical problems, the technical solution provided by the utility model is: an intelligent silent pipe network superimposed water supply equipment, which includes a municipal water inlet, a first butterfly valve, a backflow preventer, a steady flow tank, a second butterfly valve, at least one Water pump unit, air pressure tank, frequency conversion control cabinet, main water outlet and remote control terminal; the municipal water inlet is connected to the steady flow tank after passing through the first butterfly valve and the backflow preventer, and the steady flow tank is connected to the steady flow tank after passing through the second butterfly valve The water inlets of the water pump unit are connected; the water outlets of the water pump unit are respectively connected with the air pressure tank and the total water outlet; the water pump unit includes a third butterfly valve, a water pump, a check valve and a fourth butterfly valve connected in sequence; There is also a soft joint and a fifth butterfly valve between the backflow preventer and the steady flow tank; the water pumps used in the water pump unit are all Italian U-FLO silent in-line pumps with built-in American Franklin motors; A pressure sensor is installed at the municipal water inlet; the second pressure sensor is installed at the water inlet of the water pump unit; the third pressure sensor is installed at the main water outlet; the first pressure sensor, the second The pressure sensor, the water pump and the third pressure sensor are all electrically connected to the frequency conversion control cabinet; the frequency conversion control cabinet is an integrated cabinet structure with a processor and a touch screen; the remote control terminal is wirelessly connected to the frequency conversion control cabinet Connection; the above-mentioned parts and parts in contact with the water body are all made of food-grade stainless steel SUS304.

As an improvement, a drain valve is also provided at the municipal water inlet.

As an improvement, a drain valve is also installed at the water inlet pipe of the general water outlet valve.

As an improvement, it also includes the foundation of the unit. There are four water pump units, and the four pump units are installed side by side on the foundation of the unit. The foundation of the unit is a cement platform with a length of 2.2 meters, a width of 1 meter and a height of 0.5 meters.

As an improvement, it also includes a main water outlet valve, and the said main water outlet valve is installed on the pipeline where the main water outlet is located.

As an improvement, a filter is installed between the first butterfly valve and the backflow preventer.

As an improvement, it also includes a flow metering device, the flow metering device is installed on the pipeline where the main water outlet is located; the flow metering device is electrically connected with the frequency conversion control cabinet.

As an improvement, the remote control terminal is a smart phone.

After adopting the above structure, the utility model has the following beneficial effects: 1. The tap water of purified water is directly supplied to the user after being pressurized by the equipment. It is made of food-grade stainless steel SUS304, sealed and connected, and the tap water is completely isolated from the air. The water source has no pollution. , the water quality is good, and users can drink drinking water that meets hygienic standards. 2. The intelligent control cabinet with touch screen is adopted, and the efficiency of human-computer interaction is higher. 3. It can make full use of the original pressure of the tap water pipeline, how much the difference is, and how much to make up. When the tap water meets the requirements, the equipment will stop working, frequency conversion control, and the energy saving effect is extremely significant. 4. The water pumps adopt the most advanced silent design, and there is basically no noise when the water pump is working. 5. A backflow preventer is installed at the main water inlet, which can well prevent water from flowing back from the equipment back into the main pipe of tap water. 6. Equipped with a remote control terminal, users can better realize remote control and supervision of the equipment.

To sum up, the utility model provides a kind of self-components that will not pollute the water quality, has a high degree of intelligence, can automatically adjust the output pressure according to the pressure, is energy-saving and environmentally friendly, and has low noise during operation, which can prevent the backflow of the water body and realize remote control. Controlled intelligent silent pipe network superimposed water supply equipment.

Description of drawings

Fig. 1 is a structural schematic diagram of the intelligent silent pipe network superimposed water supply equipment in the utility model.

As shown in the figure: 1. Municipal water inlet, 2. Drain valve, 3. The first pressure sensor, 4. The first butterfly valve, 5. Filter, 6. Backflow preventer, 7. Soft joint, 8. The fifth butterfly valve , 9, steady flow tank, 10, second butterfly valve, 11, second pressure sensor, 12, third butterfly valve, 13, water pump, 14, check valve, 15, fourth butterfly valve, 16, air pressure tank, 17, flow rate Metering device, 18, third pressure sensor, 19, drain valve, 20, frequency conversion control cabinet, 21, main water outlet, 22, main water outlet valve, 23, remote control terminal.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

In conjunction with accompanying drawing 1, an intelligent silent pipe network superimposed water supply equipment, which includes a municipal water inlet 1, a first butterfly valve 4, a backflow preventer 6, a steady flow tank 9, a second butterfly valve 10, at least one water pump unit, and an air pressure tank 16. The frequency conversion control cabinet 20, the main water outlet 21 and the remote control terminal 23; the municipal water inlet 1 is connected to the steady flow tank 9 after passing through the first butterfly valve 4 and the backflow preventer 6, and the steady flow tank 9 passes through the first After the second butterfly valve 10 is connected with the water inlet of the water pump unit; the water outlet of the water pump unit is connected with the air pressure tank 16 and the total water outlet 21 respectively; Valve 14 and the fourth butterfly valve 15; the soft joint 7 and the fifth butterfly valve 8 are arranged between the backflow preventer 6 and the steady flow tank 9; the water pumps 13 used in the water pump unit are all built-in American Franklin The Italian U-FLO silent type in-line pump of the motor; the first pressure sensor 3 is installed at the municipal water inlet 1; the second pressure sensor 11 is installed at the water inlet of the pump unit; the third The pressure sensor 18 is installed at the main water outlet 21; the first pressure sensor 3, the second pressure sensor 11, the water pump 13 and the third pressure sensor 18 are all electrically connected to the frequency conversion control cabinet 20; the frequency conversion control cabinet 20 It is an integrated cabinet structure with a processor and a touch screen; the remote control terminal 23 is wirelessly connected to the frequency conversion control cabinet 20; the above-mentioned components and parts in contact with the water body are all made of food-grade stainless steel SUS304.

As an improvement, the municipal water inlet 1 is also provided with a drain valve 2 .

As an improvement, a drain valve 19 is also installed at the water inlet pipe of the total outlet valve 22 .

As an improvement, it also includes the foundation of the unit. There are four water pump units, and the four pump units are installed side by side on the foundation of the unit. The foundation of the unit is a cement platform with a length of 2.2 meters, a width of 1 meter and a height of 0.5 meters.

As an improvement, it also includes a main water outlet valve 22, which is installed on the pipeline where the main water outlet 21 is located.

As an improvement, a filter 5 is installed between the first butterfly valve 4 and the backflow preventer 6 .

As an improvement, it also includes a flow metering device 17, which is installed on the pipeline where the main water outlet 21 is located; the flow metering device 17 is electrically connected to the frequency conversion control cabinet 20.

As an improvement, the remote control terminal 23 is a smart phone.

1. The tap water of purified water is directly supplied to the user after being pressurized by the equipment. It is made of food-grade stainless steel SUS304, sealed and connected, and the tap water is completely isolated from the air. drinking water. 2. The intelligent control cabinet with touch screen is adopted, and the efficiency of human-computer interaction is higher. 3. It can make full use of the original pressure of the tap water pipeline, how much the difference is, and how much to make up. When the tap water meets the requirements, the equipment will stop working, frequency conversion control, and the energy saving effect is extremely significant. 4. The water pumps adopt the most advanced silent design, and there is basically no noise when the water pump is working. 5. A backflow preventer is installed at the main water inlet, which can well prevent water from flowing back from the equipment back into the main pipe of tap water. 6. Equipped with a remote control terminal, users can better realize remote control and supervision of the equipment.

To sum up, the utility model provides a kind of self-components that will not pollute the water quality, has a high degree of intelligence, can automatically adjust the output pressure according to the pressure, is energy-saving and environmentally friendly, and has low noise during operation, which can prevent the backflow of the water body and realize remote control. Controlled intelligent silent pipe network superimposed water supply equipment.

When the utility model is actually implemented, the water pump adopts a non-negative pressure water supply pump, and its main parameters are: lift of 40 meters, power of 5.5 kilowatts, and flow rate of 32 cubic meters per hour. It is best to have four pumps, three for normal use and one for backup.

The product of the utility model has the following characteristics during concrete implementation:

1. The total investment is saved by superimposing the pipe network: no need to build a pool or set up a water tank, and it is directly connected to the tap water pipe to pressurize the water supply, which can make full use of the original pressure of the tap water. Example of water pump selection: the original pump needs to use 70 meters head, now only Just use 50 meters.

2. Pure water quality: The tap water of pure water is directly supplied to the user after being pressurized by the equipment. It is made of food-grade stainless steel SUS304, sealed and connected, and the tap water is completely isolated from the air. Hygienic standard drinking water is controlled by microcomputer frequency conversion soft start and constant pressure, so the water supply pressure is stable and the water pressure is stable.

3. Water saving: The fully enclosed structure eliminates running, leaking, dripping, leaking, and seepage, plus regular cleaning, disinfection, and other waste of water resources. It is directly connected to the tap water pipeline.

4. Power saving: The original pressure of the tap water pipeline can be fully utilized, how much is the difference, and how much to make up. When the tap water meets the requirements, the equipment will stop working, and the energy saving effect is extremely significant.

5. Save land and save installation hours: no need to build a pool, no need to install a water tank, the complete set of equipment leaves the factory, and after arriving at the site, the user's tap water inlet pipe and outlet pipe can be directly connected to the equipment, the construction is simple, the construction period is short, and the land occupation The area is small.

6. Save manpower and material resources: the water quality of this equipment is not polluted, and there is no need to install disinfection equipment, which further saves investment. Very economical to use. Because there is no pool or water tank, the cost of regular cleaning and disinfection is saved.

7. Advanced control system: The equipment applies fuzzy control, integrated control and other advanced control technologies in the world today. According to the principle and characteristics of pipe network superimposed water supply, a professional control software system has been developed, and it has powerful remote monitoring functions and wireless monitoring. Function.

8. The operation mode is all in Chinese, which solves the problem that users do not need professional personnel to operate. Fully automatic operation, no need for special personnel to be on duty, multiple sets of water pumps can automatically replenish and reduce pumps according to changes in water consumption, and automatically switch operations at regular intervals; with the patented technology of small flow shutdown and pressure maintenance, the equipment will automatically Shut down to maintain pressure, further saving energy, and automatically start up when water consumption increases.

9. The starting methods of the equipment are as follows: 1. Automatically start by collecting pressure or flow signal; 2. Manual pump start button on the control cabinet; 3. Remote start by remote monitoring center; 4. Timed automatic start. Four methods can be flexibly selected according to user needs.

10. LED display of operating data, beautiful appearance, excellent workmanship, convenient and flexible operation, all operating data can be changed through on-site debugging parameters. The equipment has a communication interface for remote monitoring, which can communicate with the monitoring center to realize central monitoring and management of the equipment, and some faults can be eliminated remotely. The equipment has a periodic automatic inspection function, and automatic voice alarm for inspection failures. Full protection functions. It has various protection functions such as overload protection, short circuit protection, overvoltage protection, phase loss protection, undervoltage protection, overheat protection, fault alarm and fault diagnosis.

11. Equipped with a low-resistance backflow preventer to prevent user pipe network water from backflowing and polluting tap water. When the continuous drainage exceeds one minute, an alarm signal is sent to check whether the backflow preventer is faulty.

In addition, some supplementary instructions and extensions about the components of the equipment (1) Material: food-grade stainless steel: SUS304. (2) Main equipment components: backflow preventer, pressure sensor, water pump unit, flow metering device, intelligent control cabinet, air pressure tank, man-machine interface (touch screen), various high-sensitivity sensors, drain valve, pipes, valves, equipment base wait. (3) Low-resistance backflow preventer: high partition safety performance, small head loss, small size and light weight. (4) Filter: The stainless steel filter screen is used to filter and protect the incoming water, which further improves the safety of water supply. (5) Flow metering device: use flow pulse input to PLC for one-minute metering. (6) Water pump unit: It is recommended to use the company's high-efficiency canned pump to achieve accurate water supply. (7) Intelligent control cabinet: it can automatically control and adjust the whole water supply equipment. (8) High-sensitivity sensor: It is used in conjunction with an intelligent control cabinet to automatically monitor the measured pressure and demand pressure of the system. The measured pressure is the original pressure of the tap water, and the regulatory department can adjust it according to the actual regulations on the site; the demand pressure is the actual pressure of the end user. The required pressure can also be set by the user on site, and the water supply can be divided into periods of time or multi-pressure according to the requirements. (9) Human-machine interface: The operation interface is all in Chinese, which is convenient for users to monitor and view the operation and status of the pump.

The flow calculation of the equipment is as follows: The flow design of the equipment complies with the provisions of the current "Code for Design of Water Supply and Drainage for Buildings" GB50015. Pressure calculation: The design pressure of the equipment can meet the pressure required at the most unfavorable water distribution point of the water supply.

(1) The calculation of the design flow rate of the water supply system complies with the provisions of the current "Code for Design of Water Supply for Buildings" GB50015. The flow rate of the water pump suction pipe should not exceed 1.5M/S.

(2) The design pressure value of the water supply system is calculated according to the following formula:

Ps=P4+P5+P6

In the formula:

Ps - design pressure value of water supply system (Mpa);

P4--The geometric height difference between the elevation of the water pump outlet and the most unfavorable water supply, and the elevation of the water distribution point (converted from m to Mpa);

P5--The water head loss and local head loss along the pipeline from the outlet of the water pump to the most unfavorable water distribution point of the water supply (m converted to Mpa);

P6--The minimum water supply pressure value that should be guaranteed at the most unfavorable water distribution point (m converted to Mpa).

(3) The pressure value at the front of the total water inlet valve of the equipment is calculated according to the following formula:

Pj=P7-P8-P9-P10

In the formula:

Pj--the pressure value at the front of the total water inlet valve of the equipment (Mpa);

P7--The water supply pressure value (Mpa) of the municipal water supply pipeline provided by the water supply company;

P8--The pressure reduction value (0.02Mpa) allowed to be generated at the suction point of the municipal water supply pipe network when the equipment is in normal operation;

P9--The water head loss along the pipeline and local water head loss from the entrance of the municipal water supply pipeline to the front of the main water inlet valve of the equipment (m is converted into Mpa).

P10--The geometric height difference between the elevation where the pressure sensor PJ is installed in front of the general water inlet valve of the equipment and the elevation where the municipal water supply pipe is connected (converted from m to Mpa).

(4) The actual available water supply pressure value at the water pump suction port should be calculated according to the following formula

Pk=Pj-P11-P12-P13

Pk--The actual available water supply pressure value (Mpa) at the water pump suction port.

P11--The geometric height difference between the pressure sensor (P2) at the suction port of the pump and the pressure sensor (P1) in front of the water inlet valve of the equipment is (Mpa);

P12--The total water head loss value (Mpa) of the pipeline, filter, backflow preventer, etc. between the general water inlet valve of the equipment and the water pump suction port;

P13--The increased value of filter head loss allowed by the normal operation of the equipment (0.01Mpa).

(5) The calculated value of the pump head should be calculated according to the following formula:

Type 1 and Type 2 pipe networks are stacked according to P14=Ps-Pk

Type 3 box-type pipe network superimposed main pump according to P14=Ps-Pk, small pump according to P14=Ps

In the formula:

P14--The calculated value of pump head (m is converted to Mpa).

Water pump configuration requirements:

A Centrifugal pump with low noise, high efficiency, energy saving, flow-lift curve without hump;

B. One standby pump shall be installed, and the water supply capacity of the standby pump shall not be less than the water supply capacity of the largest working pump;

The flow part of the C water pump should be made of materials that meet hygienic standards;

D When there is a higher requirement for anti-noise, a water-cooled water pump can be used.

The specification and number of E water pumps should be comprehensively determined by the design. When the water consumption is unbalanced and lasts for a long time, it is advisable to configure a small water pump suitable for low water consumption. The flow rate of the small water pump can be 1/3 to 1/3 of the working pump flow. 2.

F When the water pressure of the water supply pipe network changes little, the water pump selection of the pipe network superimposed water supply equipment should make the maximum efficient area of the water pump be the water supply design flow.

G When the water pressure of the water supply pipe network changes greatly, the selection of the water pump should make the working point of the water pump at the rated speed be located inside the high efficiency area of the water pump.

The utility model and its implementations have been described above, but the description is not restrictive. What is shown in the drawings is only one of the implementations of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (8)

1. an Intelligent silent pipe network Pressure-superposed water supply equipment, is characterized in that: it comprises municipal water inlet (1), the first butterfly valve (4), backflow preventer (6), steady-flow tank (9), the second butterfly valve (10), at least one pump unit, air pressure tank (16), frequency-conversion control cabinet (20), total delivery port (21) and remote control terminal (23); Described municipal water inlet (1) is by being linked in steady-flow tank (9) after the first butterfly valve (4) and backflow preventer (6), and steady-flow tank (9) is connected with the water inlet of pump unit afterwards by the second butterfly valve (10); The delivery port of pump unit is connected with total delivery port (21) with air pressure tank (16) respectively; Described pump unit comprises the 3rd butterfly valve (12), water pump (13), flap valve (14) and the 4th butterfly valve (15) that are connected successively; Connecting hose (7) and the 5th butterfly valve (8) is also provided with successively between described backflow preventer (6) and steady-flow tank (9); The water pump (13) adopted in described pump unit is pump in the Italian U-FLO mute type pipe of built-in U.S. Franklin motor; Described the first pressure sensor (3) is installed on municipal water inlet (1) place; Described the second pressure sensor (11) is installed on the water inlet of pump unit; The 3rd described pressure sensor (18) is installed on total delivery port (21) place; Described the first pressure sensor (3), the second pressure sensor (11), water pump (13) and the 3rd pressure sensor (18) are all electrically connected with frequency-conversion control cabinet (20); Described frequency-conversion control cabinet (20) is the integrated form cabinet body structure with processor and touch screen; Described remote control terminal (23) and frequency-conversion control cabinet (20) wireless connections; Above-mentioned each parts and water body contact portion all adopt food-grade stainless steel SUS304 material.

2. Intelligent silent pipe network Pressure-superposed water supply equipment according to claim 1, is characterized in that: described municipal water inlet (1) place is also provided with draining valve (2).

3. Intelligent silent pipe network Pressure-superposed water supply equipment according to claim 1, is characterized in that: the inlet channel place of described total outlet valve (22) is also provided with drain valve (19).

4. Intelligent silent pipe network Pressure-superposed water supply equipment according to claim 1, it is characterized in that: it also comprises crew base, described pump unit is four, and four pump unit are installed on crew base side by side, and described crew base is long 2.2 meters, wide 1 meter, high 0.5 meter cement platform.

5. Intelligent silent pipe network Pressure-superposed water supply equipment according to claim 1, is characterized in that: it also comprises total outlet valve (22), and described total outlet valve (22) is installed on the pipeline at total delivery port (21) place.

6. Intelligent silent pipe network Pressure-superposed water supply equipment according to claim 1, is characterized in that: be also provided with strainer (5) between described the first butterfly valve (4) and backflow preventer (6).

7. Intelligent silent pipe network Pressure-superposed water supply equipment according to claim 1, it is characterized in that: it also comprises flow measurement device (17), described flow measurement device (17) is installed on the pipeline at total delivery port (21) place; Described flow measurement device (17) is electrically connected with frequency-conversion control cabinet (20).

8. Intelligent silent pipe network Pressure-superposed water supply equipment according to claim 1, is characterized in that: described remote control terminal (23) is smart mobile phone.