CN201610570U

CN201610570U - Low-energy-loss pipe network laminated water supplying equipment

Info

Publication number: CN201610570U
Application number: CN2009202087485U
Authority: CN
Inventors: 林小连; 江民海; 李海波; 徐向阳
Original assignee: Shanghai Kaiquan Pump Group Co Ltd
Current assignee: Shanghai Kaiquan Pump Group Co Ltd
Priority date: 2009-09-01
Filing date: 2009-09-01
Publication date: 2010-10-20
Anticipated expiration: 2019-09-01

Abstract

The utility model relates to low-energy-loss pipe network laminated water supplying equipment comprising a pressure sensor (7) connected with a municipal pipe network and also comprising a first check valve (3) and a water supplying pump (2) connected with the municipal pipe network; the other end of the first check valve (3) is connected with a pressure sensor (8) of an air pressure tank, one end of a main pump (1), the air pressure tank (6) and one end of a second check valve (4); the other end of the main pump (1) is connected with an outlet pressure sensor (9) and one end of a third check valve (5); and the other end of the water supplying pump (2) is connected with the other end of the second check valve (4) and the other end of the third check valve (5). The low-energy-loss pipe network laminated water supplying equipment has the benefits of only needing to be equipped with one air pressure tank, adding a water supplying loop, not only realizing the functions of stopping machine and maintaining pressure, but also using water in the air pressure tank as a water source when in microflow, and reducing the running cost when the equipment is in zero flow and microflow.

Description

The low energy consumption pipe network Pressure-superposed water supply equipment

Technical field

The utility model relates to the supply equipment technical field, relates in particular to a kind of pipe network Pressure-superposed water supply equipment.

Background technology

Pipe network Pressure-superposed water supply equipment be emerging in recent years a kind of be the supply equipment at water source directly with the city planting ductwork; under the situation of municipal water supply abundance; owing to cancelled traditional reservoir; export until the user to supply equipment from municipal administration water inlet pipe network; whole pipe network system is airtight; and pressurized water supply on municipal hydraulic pressure basis; how many differences what mends; have health and energy-conservation two big advantages; but also there are some problems in this product at present: promptly equipment is in zero delivery; do not shut down pressure holding function under the situation of micrometeor, the equipment that makes moves not energy-conservation under this state or energy-saving effect is not obvious.

Summary of the invention

The utility model technical issues that need to address have provided a kind of low energy consumption pipe network Pressure-superposed water supply equipment, are intended to solve the above problems.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

The utility model comprises: the pressure sensor that connects city planting ductwork; Also comprise: first flap valve and the small pump that link to each other with city planting ductwork; The other end of first flap valve links to each other with an end of an end, air pressure tank and second flap valve of air pressure tank pressure sensor, main pump; The other end of main pump links to each other with an end of outlet pressure sensor and the 3rd flap valve; The other end of small pump links to each other with the other end of second flap valve and the other end of the 3rd flap valve.

Compared with prior art, the beneficial effects of the utility model are: only need a supporting air pressure tank, and increase a moisturizing loop, promptly realized the shutdown pressure holding function of equipment, again can be with the water in the air pressure tank water source during as micrometeor; Reduced the running cost of equipment when zero delivery, micrometeor, particularly small pump is equivalent to the high level cistern moisturizing when giving the air pressure tank moisturizing, water pump moves with peak efficiency, and air pressure tank has multi-functional: as the buffering regulating tank of city planting ductwork, as the voltage stabilizing air pressure tank of user's pipe network, as the mesobar jar of energy-saving run, the more comprehensive water system that reduced is moved total cost.

Description of drawings

Fig. 1 is example structure schematic diagram of the utility model (1 usefulness 1 is equipped with);

Fig. 2 is another example structure schematic diagram of the utility model (2 usefulness 1 is equipped with).

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

As seen from Figure 1: the utility model comprises: the pressure sensor 7 that connects city planting ductwork; Also comprise: first flap valve 3 and the small pump 2 that link to each other with city planting ductwork; The other end of first flap valve 3 links to each other with an end of an end, air pressure tank 6 and second flap valve 4 of air pressure tank pressure sensor 8, main pump 1; The other end of main pump 1 links to each other with an end of outlet pressure sensor 9 and the 3rd flap valve 5; The other end of small pump 2 links to each other with the other end of second flap valve 4 and the other end of the 3rd flap valve 5;

As seen from Figure 2: also comprise: with small pump 2 and the 3rd flap valve 5 one ends respectively and another main pump 10 and the 4th flap valve 11 that connect, identical with main pump 1 with the 3rd flap valve 5.

The utility model can comprise the using and the reserved, and dual-purpose one is equipped with, and is no more than four pumps at most; A water pump is as small pump, and all the other water pumps are as main pump; Also comprise one section moisturizing loop, air pressure tank is linked to each other with the export pipeline of small pump.

With 1 usefulness 1 is that example illustrates operating principle of the present utility model fully:

Zero, micrometeor water supply condition: starting the 2# pump is that the air pressure tank moisturizing is shut down pressurize to upper pressure limit.

In, the low discharge water supply condition: starting the 1# pump is the water source with the air pressure tank; low speed, low noise, frequency conversion supercharging, energy-efficient operation; when the air pressure tank internal pressure drops to a certain degree; start 2# pump variable-pressure variable-flow by peak efficiency principle operation (being equivalent to be the high level cistern moisturizing); be that air pressure tank moisturizing to suitable pressure 2# pump shuts down, during the 1# pump still keeps, the low discharge water supply condition.

Big flow operation condition: water supply flow is greater than design load about 60% when above, replace principle by 1# pump or 2# pump operation by round, at the principle pressurized water supply of the original hydraulic pressure of municipal administration basis up-conversion speed governing by " difference how much, and what are mended ", realize energy-efficient operation, satisfy the constant pressure water supply demand.

Municipal administration water inlet current limliting operation condition: the water supply peak period is when municipal water supply pressure too low (near lowest service pressure); for avoiding excessive suction; the 2# pump can enter frequency reducing current limliting amount operation condition automatically; be the regulating tank moisturizing; do not continue to drop to the control target with intake pressure; the 1# pump is object run with the outlet constant voltage still; fully to satisfy user's water requirements; the differential section of equipment water outlet and water inlet; store the water yield by regulating tank and compensate, finish a moisturizing rerun (entering the intermittent water application operating mode) if the compensation water yield runs out of regulating tank such as then 1# pump shutdown.After treating that municipal pressure recovers normally, equipment recovers normal operation automatically.

Claims

1. a low energy consumption pipe network Pressure-superposed water supply equipment comprises: the pressure sensor (7) that connects city planting ductwork; It is characterized in that also comprising: first flap valve (3) that links to each other with city planting ductwork and small pump (2); The other end of first flap valve (3) links to each other with an end of an end, air pressure tank (6) and second flap valve (4) of air pressure tank pressure sensor (8), main pump (1); The other end of main pump (1) links to each other with an end of outlet pressure sensor (9) and the 3rd flap valve (5); The other end of small pump (2) links to each other with the other end of second flap valve (4) and the other end of the 3rd flap valve (5).

2. low energy consumption pipe network Pressure-superposed water supply equipment according to claim 1 is characterized in that also comprising: with small pump (2) and the 3rd flap valve (5) one ends respectively and another main pump (10) and the 4th flap valve (11) that connect, identical with main pump (1) with the 3rd flap valve (5).