CN201058999Y

CN201058999Y - Relay type non-negative pressure waterworks

Info

Publication number: CN201058999Y
Application number: CNU2007201484233U
Authority: CN
Inventors: 张明亮; 王学成; 夏伟光
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-05
Filing date: 2007-06-05
Publication date: 2008-05-14
Anticipated expiration: 2017-06-05

Abstract

The utility model provides a relay type non-negative pressure water supply device which consists of a non-negative pressure pipe pressurizing device, a pressure stabilizing tank, a control cabinet, an inlet teletransmission pressure gauge, an outlet teletransmission pressure gauge and a pressure controller. The utility model is characterized in that: the non-negative pressure pipe pressurizing device is a pipe stainless steel container realizing full sealing of an under water pump, and mainly comprises the under water pump, a casing, a connecting pipe, a tube plate, a connecting flange and a base support; the water inlet pipe of the pressurizing device is provided with the inlet teletransmission pressure gauge, while the water outlet pipe is provided with the outlet teletransmission pressure gauge and the pressure controller; moreover, an appropriate position of the water outlet pipe is provided with the pressure stabilizing tank. The utility model, which adopts non-negative pressure frequency-conversion control, makes use of the prior pipe network water pressure and realizes flexible arrangement of the position of the pressure stabilizing tank; moreover, the utility model realizes shutdown stable pressure water supply of small flow or no water, thereby obtaining remarkable energy-saving effect; meanwhile, the utility model is of less occupation of space, less investment, reasonable design, convenient installation and reliable operation, etc.

Description

The relay-type no-negative-pressure water supply equipment

1, technical field

The utility model relates to a kind of supply equipment, specifically a kind of relay-type no-negative-pressure water supply equipment.

2, background technology

Demand along with the continuous development of society; high level or super high rise building are more and more; tap water pipe network pressure of supply water can not satisfy its water supply requirement far away; the high building secondary pressurization of prior art is divided into pond (case) type by way of supplying water and supplies water and non-negative pressure method of water supply; pond (case) type water supply great majority adopt subregions in parallel; intermediate water tank series connection subregion and three kinds of way of supplying water of decompression subregion; and all need establish pond (case); can not utilize tap water pressure; the pump house floor space is big; the one-time investment height; energy Yin takes seriously; in addition; subregion in parallel and reducing valve water rationing are because the force (forcing) pump group all concentrates on underground pump house; low district pipe network pressure-bearing is too high; the high pressure water hammer easily takes place; phenomenon such as seepage and booster; water supply security is poor; intermediate water tank series connection water rationing exists equipment and disperses; the trouble point is many; management inconvenience; installation difficulty is big; defectives such as the water quality repeated pollution is serious; so the pond (case) of prior art is though type high building second pressure water supply can satisfy the water supply requirement of high building least favorable water supply height basically; but can not be from investment; take up an area of; energy-conservation; aspects such as safety solve well; and the no negative pressure water relay mode of prior art; do not shut down pressure holding function owing to do not have low discharge; water supply network one water; equipment must start; particularly when height district low discharge water; low district equipment also must start; equipment loss is big; and at water low peak period or night during low discharge, its energy-saving effect is not obvious.

3, utility model content

In view of above-mentioned the deficiencies in the prior art, the utility model provides that a kind of reasonable in design, energy saving in running, reduced investment, occupation of land are little, convenient and flexible installation, have the relay-type no-negative-pressure water supply equipment of low discharge voltage stabilizing.

The technical scheme that its technical problem that solves the utility model adopts is: the relay-type no-negative-pressure water supply equipment, be by no negative-pressure pipeline supercharging device, vacuum tank, switch board, import teletransmission pressure meter, outlet teletransmission pressure meter and pressure controller are formed, no negative-pressure pipeline supercharging device is hermetically sealed the pipeline rustless steel container of submersible pump, mainly by submersible pump, housing, tube connector, tube sheet, adpting flange and base support are formed, housing is provided with the wiring black box that the submersible pump wiring is used, the housing two ends are flange, wherein suction flange cooperates with the import adpting flange, outlet(discharge) flange successively with tube sheet, the outlet adpting flange connects, enclosure interior is installed in submersible pump, the submersible pump bottom is fixed by base support, and the submersible pump outlet is fixed on the tube sheet by tube connector.

The water inlet pipe place of no negative-pressure pipeline supercharging device is provided with import teletransmission pressure meter, the outlet pipe place is provided with outlet teletransmission pressure meter and pressure controller, and at the appropriate location of outlet pipe installing vacuum tank, the manometric effect of import teletransmission is to be used for the non-negative pressure method of water supply of the system that realizes, when water inlet pipe hydraulic pressure is reduced to a certain setting value, switch board is out of service by pre-set program control submersible pump, to guarantee that water inlet pipe does not produce negative pressure, otherwise, when hydraulic pressure is higher than a certain setting value, the submersible pump Auto Power On recovers normal operation, and realize constant pressure water supply by switch board by outlet teletransmission pressure meter, at this moment, system carries out ftercompction to the required pressure of outlet pipe according to the variation in water pressure of water inlet pipe in good time, can make full use of original pressure of water inlet pipe, energy saving in running is when water inlet pipe hydraulic pressure reaches the constant voltage value of outlet teletransmission pressure meter setting, system's autostop enters resting state, and by the bypass pipe that is provided with flap valve to directly supplying water with water spot; In addition; the effect of system's installing vacuum tank is: when normal water supply; current after pressurization are pressed in the vacuum tank and store; at water ebb or night during the low discharge water; when switch board detects the submersible pump running speed and is lower than a certain setpoint frequency; automatically the outlet pressure with system is promoted to pressure controller shutdown pressure; submersible pump is shut down; at this moment, system enters the duty that low discharge is shut down pressurize, and by the expansion of Compressed Gas in the vacuum tank to supplying water with water spot; when outlet pipe pressure begins to drop to a certain setting and opens machine pressure; submersible pump starts automatically, and vacuum tank begins to store the water yield again, returns to the normal water supply state; like this; system has not only overcome the big problem of submersible pump underload operating efficiency low power consumption, thus further energy saving, and the while has also been avoided the frequent starting of submersible pump when low discharge; prolonged application life; in addition, for ease of installing and solve effectively the operation vibration isolation; the problem of noise control is established the flexible joint at the outlet pipe place.

Profitable fruit of the present utility model is; the control of employing non-negative-pressure variable frequency; can utilize original pipe network water pressure, and vacuum tank that the position is set is flexible, and can realize low discharge or dry shutdown pressure-stabilizing water supply; energy-saving effect is remarkable; and the side of occupation of land not, reduced investment, reasonable in design; easy for installation, reliable.

4, description of drawings

Accompanying drawing 1 is the process structure schematic diagram (preferred embodiment) of relay-type no-negative-pressure water supply equipment;

Accompanying drawing 2 is the sectional structure schematic diagram of no negative-pressure pipeline supercharging device.

Among the figure, 1, no negative-pressure pipeline supercharging device, 2, vacuum tank, 3, control cabinet, 4, water inlet pipe, 5, import teletransmission pressure meter, 6, flap valve, 7, outlet teletransmission pressure meter, 8, pressure controller, 9, outlet pipe, 10, the flexible joint, 11, use water spot, 12, water supply network end, 101, submersible pump, 102, housing, 103, tube connector, 104, tube sheet, 105, adpting flange, 106, the wiring black box, 107, base support, 1021, suction flange, 1022, outlet(discharge) flange.

5, the specific embodiment

Explain below doing with regard to 1～2 pair of relay-type no-negative-pressure water supply equipment of the present utility model of accompanying drawing below.

Shown in accompanying drawing 1～2, relay-type no-negative-pressure water supply equipment of the present utility model, be by no negative-pressure pipeline supercharging device (1), vacuum tank (2), switch board (3), import teletransmission pressure meter (5), outlet teletransmission pressure meter (7) and pressure controller (8) are formed, no negative-pressure pipeline supercharging device (1) is hermetically sealed the pipeline rustless steel container of submersible pump (101), mainly by submersible pump (101), housing (102), tube connector (103), tube sheet (104), adpting flange (105) and base support (107) are formed, housing (102) is provided with the wiring black box (106) that submersible pump (101) wiring is used, housing (102) two ends are flange, wherein suction flange (1021) cooperates with import adpting flange (105), outlet(discharge) flange (1022) successively with tube sheet (104), outlet adpting flange (105) connects, housing (102) inside is installed in submersible pump (101), submersible pump (101) bottom is fixing by base support (107), and submersible pump (101) outlet is fixed on the tube sheet (104) by tube connector (103).

The water inlet pipe (4) of no negative-pressure pipeline supercharging device (1) locates to be provided with import teletransmission pressure meter (5), outlet pipe (9) locates to be provided with outlet teletransmission pressure meter (7) and pressure controller (8), and at the appropriate location of outlet pipe (9) installing vacuum tank (2), the effect of import teletransmission pressure meter (5) is to be used for the non-negative pressure method of water supply of the system that realizes, when water inlet pipe (4) hydraulic pressure is reduced to a certain setting value, switch board (3) is out of service by pre-set program control submersible pump (101), to guarantee that water inlet pipe (4) does not produce negative pressure, otherwise, when hydraulic pressure is higher than a certain setting value, submersible pump (101) Auto Power On recovers normal operation, and by exporting teletransmission pressure meter (7) by switch board (3) realization constant pressure water supply, at this moment, system carries out ftercompction to the required pressure of outlet pipe (9) according to the variation in water pressure of water inlet pipe (4) in good time, can make full use of original pressure of water inlet pipe (4), energy saving in running, when water inlet pipe (4) hydraulic pressure reaches the constant voltage value of outlet teletransmission pressure meter (7) setting, system's autostop enters resting state, and water spot (11) is direct to supply water to using by the bypass pipe that is provided with flap valve (6); In addition; the effect of system's installing vacuum tank (2) is: when normal water supply; current after pressurization are pressed in the vacuum tank (2) and store; at water ebb or night during the low discharge water; when switch board (3) detects submersible pump (101) running speed and is lower than a certain setpoint frequency; automatically the outlet pressure with system is promoted to pressure controller (8) shutdown pressure; submersible pump (101) is shut down; at this moment; system enters the duty that low discharge is shut down pressurize; and by the expansion of the interior Compressed Gas of vacuum tank (2) to supplying water with water spot (11); when outlet pipe (9) pressure begins to drop to a certain setting and opens machine pressure; submersible pump (101) starts automatically; vacuum tank (2) begins to store the water yield again; return to the normal water supply state; like this; system has not only overcome the big problem of submersible pump (101) underload operating efficiency low power consumption; thereby further energy saving; also avoided simultaneously the frequent starting of submersible pump when low discharge (101); prolonged application life; in addition, for ease of installing and solve effectively the operation vibration isolation; the problem of noise control locates to establish flexible joint (10) at outlet pipe (9).

When system needs subregion to be provided with, its water inlet pipe (4) can directly be connected in series with municipal tap water pipe network or low district feed pipe, and outlet pipe (9) can directly be concatenated on the another set of relay-type no-negative-pressure water supply equipment in the subregion situation of water supply network end (12) according to the position after with water spot (11).

Institute it should be noted that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, the technical solution of the utility model is made amendment or is equal to replacement, and do not break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. relay-type no-negative-pressure water supply equipment, be by no negative-pressure pipeline supercharging device, vacuum tank, switch board, import teletransmission pressure meter, outlet teletransmission pressure meter and pressure controller are formed, it is characterized in that: no negative-pressure pipeline supercharging device is hermetically sealed the pipeline rustless steel container of submersible pump, mainly by submersible pump, housing, tube connector, tube sheet, adpting flange and base support are formed, housing is provided with the wiring black box that the submersible pump wiring is used, the housing two ends are flange, wherein suction flange cooperates with the import adpting flange, outlet(discharge) flange successively with tube sheet, the outlet adpting flange connects, enclosure interior is installed in submersible pump, the submersible pump bottom is fixed by base support, and the submersible pump outlet is fixed on the tube sheet by tube connector.

2. relay-type no-negative-pressure water supply equipment according to claim 1, it is characterized in that: the water inlet pipe place of no negative-pressure pipeline supercharging device is provided with import teletransmission pressure meter, the outlet pipe place is provided with outlet teletransmission pressure meter and pressure controller, and at the appropriate location of outlet pipe installing vacuum tank.

3. relay-type no-negative-pressure water supply equipment according to claim 1 is characterized in that: establish the flexible joint at the outlet pipe place.