CN212175931U

CN212175931U - Non-negative pressure water supply system

Info

Publication number: CN212175931U
Application number: CN202020682731.XU
Authority: CN
Inventors: 隗小松
Original assignee: Hebei Around Asia Pump Industry Co ltd
Current assignee: Hebei Around Asia Pump Industry Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-18
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a water supply technical field especially relates to a no negative pressure water supply system. The municipal pipe network water supply system comprises a water inlet pipeline connected with a municipal pipe network, a steady flow tank connected with the water inlet pipeline through a water inlet, a water outlet pipeline communicated with the steady flow tank through a water outlet, a water inlet control unit arranged on the water inlet pipeline, a water outlet control unit arranged on the water outlet pipeline, and a control box for controlling the water inlet control unit and the water outlet control unit, wherein the steady flow tank is also provided with a liquid level detector which is electrically connected with the control box; the flow stabilizing tank comprises an impeller arranged in the water inlet, a reciprocating screw fixedly connected with the impeller, a fixed ring matched with the reciprocating screw to slide, and a brush ring matched with the inner wall of the flow stabilizing tank; the brush ring is fixedly connected with the fixed ring; the upper end of the steady flow tank is communicated with a vacuum suppressor. The utility model discloses can prevent the inside accumulational adhesion thing that produces of stationary flow jar at the operation in-process of system, reduce the routine maintenance to the system.

Description

Non-negative pressure water supply system

Technical Field

The utility model relates to a water supply technical field especially relates to a no negative pressure water supply system.

Background

The non-negative pressure water supply system adopts advanced microcomputer control technology, combines with a high-performance variable-frequency speed regulator, automatically adjusts the rotating speed of the water pumps or increases or decreases the number of the running water pumps according to the quantity of domestic water consumption, and realizes constant-pressure water supply. The non-negative pressure water supply system has stable and reliable equipment pressure, high efficiency and energy conservation, is ideal water supply equipment for living districts, water works, industrial and mining enterprises and the like, has excellent cost performance ratio which is incomparable with any other water supply equipment, and is the most ideal water supply system for replacing water towers, high-level water tanks and tower-free water feeders. The working principle of the non-negative pressure water supply system is as follows: the steady flow pot-type does not have negative pressure water supply equipment and municipal pipe network lug connection, establishes ties on the basis of municipal pipe network residual pressure and stacks the water supply:

the most critical part of the existing non-negative pressure water supply system in the operation process is a steady flow tank, and at present, the steady flow tank has the following defects:

although the water source of running water pipe network has been carried out prefiltration by the filter valve before entering into the stationary flow jar, owing to need guarantee that the running water pipe network possesses sufficient water flow, consequently, the filtration degree of filter valve is not high, often just filters great suspension impurity, discharges to the inside water source of stationary flow jar still not complete pure water. When the steady flow tank is in a variable-frequency constant-pressure water supply state, a certain amount of pressure-bearing water can be stored in the steady flow tank, particularly, the pressure-bearing water can be stored in the steady flow tank for a long time in a period of low water consumption at night, so that fine suspended impurities or moss and the like (similar to the inner wall of a water cylinder or the inner wall of a water well) contained in the pressure-bearing water can be adhered to the inner wall of the steady flow tank for a long time, and the adhered substances on the inner wall of the steady flow tank are accumulated more and more, so that the inner wall of the steady flow tank needs to be cleaned after the steady flow tank is used for a certain age, and on the one hand, the; on the other hand, the volume of the steady flow tank is generally larger, the difficulty of cleaning the interior of the steady flow tank is often larger, and a large amount of manpower and financial resources are consumed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a no negative pressure water supply system to solve above-mentioned problem, can prevent that the stationary flow jar is inside to produce accumulational adhesion thing in the operation process of system, reduce the purpose to the routine maintenance of system.

In order to achieve the above object, the utility model provides a following scheme:

a non-negative pressure water supply system comprises a water inlet pipeline connected with a municipal pipe network, a flow stabilizing tank connected with the water inlet pipeline through a water inlet, two groups of water outlet pipelines communicated with the flow stabilizing tank through a water outlet, a water inlet control unit arranged on the water inlet pipeline, a water outlet control unit arranged on the water outlet pipeline and a control box for controlling the water inlet control unit and the water outlet control unit, wherein a network module for remote control is arranged in the control box; the flow stabilizing tank is also provided with a liquid level detector, and the liquid level detector is electrically connected with the control box;

the steady flow tank comprises an impeller arranged in the water inlet, a reciprocating lead screw fixedly connected with the impeller, a fixed ring matched with the reciprocating lead screw to slide, a brush ring matched with the inner wall of the steady flow tank and an upright post connected with the upper side wall and the lower side wall of the steady flow tank; the hairbrush ring is fixedly connected with the fixed ring; the upright post penetrates through the fixing ring;

the upper end of the steady flow tank is communicated with a vacuum suppressor.

Preferably, the control unit of intaking includes Y type filter, backflow preventer, butterfly valve and the manometer of intaking that sets gradually along the rivers direction, the manometer of intaking with control box electric connection.

Preferably, each group of the water outlet control unit comprises a first valve, a reducing short joint, a first hose joint, a water pump, a second hose joint, a pressurizing check valve and a second valve which are sequentially arranged along the water flow direction. The water pump is electrically connected with the control box.

Preferably, a water outlet pressure gauge, a water outlet check valve and a water outlet valve are sequentially arranged on the main path behind the two groups of water outlet pipelines, and the water outlet pressure gauge is electrically connected with the control box.

Preferably, the reciprocating screw rod is provided with a sliding groove for enabling the fixing ring to reciprocate, a sliding block is rotatably connected to the inner wall of the fixing ring, the sliding block is matched with the sliding groove, and the reciprocating screw rod and the flow stabilizing tank are coaxially and rotatably connected to the bottom of the flow stabilizing tank.

The network module is the prior art, but the invention of the present invention is not the point of the present invention, and is not described herein again.

Preferably, the reciprocating screw rod is connected with the steady flow tank through a bearing.

The utility model discloses has following technological effect:

by arranging the two groups of water outlet pipelines, when one group of water outlet pipelines fails, the other group of water outlet pipelines can be switched to operate, so that the problem of shutdown caused by system failure can be avoided;

through setting up the brush ring in the stationary flow jar, with the cooperation of water inlet impeller, when the stationary flow jar intake, the impeller drives reciprocal lead screw rotatory, and reciprocal lead screw drives brush ring up-and-down motion, realizes the continuous clearance to the stationary flow jar inner wall to reduce the maintenance to the system.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of the connection of the whole pipeline of the present invention;

FIG. 2 is a schematic view of the internal structure of the flow stabilizing tank of the present invention;

FIG. 3 is a schematic view of the structure of the brush ring of the present invention;

fig. 4 is a schematic view of a reciprocating lead screw structure.

Wherein, 1 is the stationary flow jar, 2 is the water inlet, 201 is reciprocating screw, 2011 is the spout, 202 is the impeller, 203 is the retainer plate, 2031 is the slider, 204 is the brush ring, 205 is the stand, 3 is the delivery port, 4 is the Y type filter, 5 is the backflow preventer, 6 is the butterfly valve, 7 is the manometer, 8 is the control box, 9 is the outlet valve, 10 is the play water check valve, 11 is first valve, 12 is the reducing short circuit, 13 is first hose nipple, 14 is the water pump, 15 is the second hose nipple, 16 is the pressurization check valve, 17 is the second valve, 18 is the liquid level detector, 19 is the play water manometer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-4, the utility model provides a non-negative pressure water supply system, which comprises a water inlet pipeline connected with a municipal pipe network, a steady flow tank 1 connected with the water inlet pipeline through a water inlet 2, two groups of water outlet pipelines communicated with the steady flow tank 1 through a water outlet 3, a water inlet control unit arranged on the water inlet pipeline, a water outlet control unit arranged on the water outlet pipeline, and a control box 8 for controlling the water inlet control unit and the water outlet control unit, wherein a network module for remote control is arranged inside the control box 8; the flow stabilization tank 1 is also provided with a liquid level detector 18, and the liquid level detector 18 is electrically connected with the control box 8;

the flow stabilizing tank 1 comprises an impeller 202 arranged inside the water inlet 2, a reciprocating screw 201 fixedly connected with the impeller 202, a fixing ring 203 matched with the reciprocating screw 201 to slide, a brush ring 204 matched with the inner wall of the flow stabilizing tank 1 and a vertical column 205 connected with the upper side wall and the lower side wall of the flow stabilizing tank 1; the brush ring 204 is fixedly connected with the fixed ring 203; the upright 205 passes through the retainer ring 203;

the upper end of the steady flow tank 1 is communicated with a vacuum suppressor 20. Water flow enters through the water inlet 2 to push the impeller 202 to rotate, the impeller 202 drives the reciprocating lead screw 201 to rotate, the reciprocating lead screw drives the fixing ring 203 and the brush ring 204 to move up and down, the impeller 202 rotates ceaselessly in the system operation process, the brush ring 204 continuously moves up and down in the flow stabilizing tank 1, the cleaning of the inner wall of the flow stabilizing tank 1 is achieved, and therefore the maintenance of the system is reduced. Through the arrangement of the two groups of water outlet pipes, when the water outlet control unit on one group of water outlet pipes fails, the other group of water outlet pipes can be switched immediately to supply water, so that the system can run without stopping.

Further optimize the scheme, the control unit of intaking includes Y type filter 4, backflow preventer 5, butterfly valve 6 and the manometer 7 of intaking that sets gradually along the rivers direction, and manometer 7 and the 8 electric connection of control box of intaking.

According to a further optimization scheme, each group of water outlet control units comprises a first valve 11, a reducing short joint 12, a first hose connector 13, a water pump 14, a second hose connector 15, a pressurizing check valve 16 and a second valve 17 which are sequentially arranged along the water flow direction. The water pump 14 is electrically connected with the control box 8.

According to a further optimization scheme, a water outlet pressure gauge 19, a water outlet check valve 10 and a water outlet valve 9 are sequentially arranged on a main path behind the two groups of water outlet pipelines, and the water outlet pressure gauge 19 is electrically connected with the control box 8.

Further optimize the scheme, reciprocal lead screw 201 is provided with the spout 2011 that makes retainer plate 203 reciprocating motion, retainer plate 203 inner wall rotates and is connected with slider 2031, slider 2031 and spout 2011 phase-match, reciprocal lead screw 201 with the stationary flow jar 1 with the axle center and rotate and connect in stationary flow jar 1 bottom.

In a further optimized scheme, the reciprocating screw 201 is connected with the flow stabilizing tank 1 through a bearing.

The working principle of the embodiment is as follows:

the system sets a constant pressure value, if the pressure of the user pipe network is higher than the set pressure value, the water outlet pressure gauge 19 feeds the pressure value back to the control box 8, so that the water pump 14 is in a shutdown state, tap water supplies water to the user through a direct supply pipeline, when the pressure of the user pipe network is reduced, the water outlet pressure gauge 19 feeds the pressure of the user pipe network back to a PID (proportion integration differentiation) controller in the control box 8, the output power of a frequency converter is adjusted through the PID controller, the water pump 14 is started to operate, and constant-pressure water supply is kept;

when the liquid level detector 18 detects that the water amount in the flow stabilization tank 1 is insufficient, the liquid level detector 18 feeds a signal back to the control box 8, and the PID controller in the control box 8 controls the vacuum suppressor 20 to start working, so that the negative pressure in the flow stabilization tank 1 is changed into the atmospheric pressure, and the water pressure in a water supply pipeline is prevented from being changed into the negative pressure;

in the process, the water inlet 2 continuously feeds water to push the impeller 202 to rotate, the impeller 202 drives the reciprocating lead screw 201 to rotate, the reciprocating lead screw drives the fixing ring 203 and the hairbrush ring 204 to move up and down, and the impeller 202 continuously rotates in the running process of the system to enable the hairbrush ring 204 to continuously move up and down in the flow stabilizing tank 1, so that the inner wall of the flow stabilizing tank 1 is cleaned, and the maintenance of the system is reduced.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A non-negative pressure water supply system is characterized in that: the water inlet pipeline is connected with a municipal pipe network, the flow stabilizing tank (1) is connected with the water inlet pipeline through a water inlet (2), the two groups of water outlet pipelines are communicated with the flow stabilizing tank (1) through a water outlet (3), a water inlet control unit is arranged on the water inlet pipeline, a water outlet control unit is arranged on the water outlet pipeline, and a control box (8) is used for controlling the water inlet control unit and the water outlet control unit, wherein a network module for remote control is arranged in the control box (8); the flow stabilization tank (1) is also provided with a liquid level detector (18), and the liquid level detector (18) is electrically connected with the control box (8);

the flow stabilizing tank (1) comprises an impeller (202) arranged inside the water inlet (2), a reciprocating lead screw (201) fixedly connected with the impeller (202), a fixing ring (203) matched with the reciprocating lead screw (201) to slide, a brush ring (204) matched with the inner wall of the flow stabilizing tank (1) and a stand column (205) connected with the upper side wall and the lower side wall of the flow stabilizing tank (1); the brush ring (204) is fixedly connected with the fixed ring (203); the upright (205) passes through the fixed ring (203);

the upper end of the steady flow tank (1) is communicated with a vacuum suppressor (20).

2. The non-negative pressure water supply system according to claim 1, wherein: the control unit of intaking includes Y type filter (4), backflow preventer (5), butterfly valve (6) and intake manometer (7) that set gradually along the rivers direction, intake manometer (7) with control box (8) electric connection.

3. The non-negative pressure water supply system according to claim 1, wherein: each group of water outlet control unit comprises a first valve (11), a reducing short joint (12), a first hose connector (13), a water pump (14), a second hose connector (15), a pressurizing check valve (16) and a second valve (17) which are sequentially arranged along the water flow direction, and the water pump (14) is electrically connected with the control box (8).

4. A non-negative pressure water supply system according to claim 3, wherein: and a water outlet pressure gauge (19), a water outlet check valve (10) and a water outlet valve (9) are sequentially arranged on the main path behind the two groups of water outlet pipelines, and the water outlet pressure gauge (19) is electrically connected with the control box (8).

5. The non-negative pressure water supply system according to claim 1, wherein: reciprocal lead screw (201) are provided with the messenger retainer plate (203) reciprocating motion's spout (2011) retainer plate (203) inner wall rotates and is connected with slider (2031), slider (2031) with spout (2011) phase-match, reciprocal lead screw (201) with stationary flow jar (1) is with the axle center and rotate to be connected stationary flow jar (1) bottom.

6. The non-negative pressure water supply system according to claim 5, wherein: the reciprocating screw rod (201) is connected with the steady flow tank (1) through a bearing.