CN202809701U - Non-negative pressure water supply system - Google Patents
Non-negative pressure water supply system Download PDFInfo
- Publication number
- CN202809701U CN202809701U CN 201220517782 CN201220517782U CN202809701U CN 202809701 U CN202809701 U CN 202809701U CN 201220517782 CN201220517782 CN 201220517782 CN 201220517782 U CN201220517782 U CN 201220517782U CN 202809701 U CN202809701 U CN 202809701U
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- negative pressure
- steady flow
- water
- flow compensation
- compensation tank
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Abstract
The utility model discloses a non-negative pressure water supply system which comprises a steady flow compensation tank. A water inlet of the steady flow compensation tank is connected with a water inlet pipe which is connected with a municipal pipeline. A water outlet of the steady flow compensation tank is connected with a water outlet pipe which is connected with a variable frequency pump unit. An exit end of the variable frequency pump unit is connected with a user pipeline. The steady flow compensation tank is provided with a negative pressure suppressor, and the water inlet pipe is provided with an air cut-off device. The non-negative pressure water supply system can guarantee that negative pressure can not generate in the water supply system, so that the normal operation of water supply devices can be guaranteed.
Description
Technical field
The utility model relates to a kind of water system, is specifically related to a kind of non-negative pressure water service system.
Background technology
Tap water in the daily life generally provides by supply equipment, and existing supply equipment mainly is the booster water system, when building the booster water system, needs to build a large pond, and water offers the user after being stored in the pond.The construction floor space in pond is large, and engineering quantity is large; And the pond inner storing water causes the secondary pollution of water easily, affects the healthy of user, the pond frequent clean, and labour intensity is large.
For above problem, designed a kind of non-negative pressure water service system in the prior art, this device is connected to form by steady flow compensation tank, water pump assembly, instrument, valve and pipeline, is provided with negative pressure inhibition device on the steady flow compensation tank, realizes that this device is to user's stable water supply.At present, non-negative pressure water service system of the prior art when negative pressure inhibition device breaks down, produces negative pressure easily in the water inlet pipe, and then affects the normal operation of non-negative pressure water service system.
The utility model content
The purpose of this utility model is to overcome above shortcoming, and a kind of non-negative pressure water service system is provided, and this non-negative pressure water service system can guarantee that water system does not produce negative pressure, thus the normal operation of assure feed water device.
The technical solution of the utility model is:
A kind of non-negative pressure water service system, comprise the steady flow compensation tank, the water inlet of described steady flow compensation tank connects water inlet pipe, described water inlet pipe is connected with municipal pipeline, the delivery port of described steady flow compensation tank connects outlet pipe, and described outlet pipe connects the variable frequency pump unit, and the port of export of described variable frequency pump unit is connected with user pipe, be provided with negative pressure inhibition device on the described steady flow compensation tank, be provided with the air partition device on the described water inlet pipe.
Further, described steady flow compensation tank top is provided with pressure vacuum gauge.
Further, be provided with pressure sensor on the described outlet pipe, described pressure sensor is arranged between described variable frequency pump unit and the user pipe, described pressure sensor and described variable frequency pump unit interlock control.
Further, also be provided with one group of by-pass line on the described outlet pipe, be provided with flap valve on the described by-pass line.
Further, be provided with content gauge on the described steady flow compensation tank, described content gauge and described variable frequency pump unit interlock control.
Further, described steady flow compensation pot bottom is provided with exhaust-valve.
The non-negative pressure water service system that the utility model provides has following advantage:
1, the non-negative pressure water service system that provides of the utility model can guarantee that water system does not produce negative pressure, the normal operation of assure feed water device.The non-negative pressure water service system that the utility model provides, the water inlet of steady flow compensation tank connects water inlet pipe, water inlet pipe is connected with municipal pipeline, the delivery port of steady flow compensation tank connects outlet pipe, outlet pipe connects the variable frequency pump unit, the port of export of variable frequency pump unit is connected with user pipe, is provided with negative pressure inhibition device on the steady flow compensation tank, is provided with the air partition device on the water inlet pipe.During domestic water, the frequency conversion equipment of variable frequency pump unit monitoring tap water pipe network pressure carries out computing and comparison to value of feedback and setting value, when ductwork pressure is lower than the required pressure of user, automatically increases output frequency, and the rotating speed of pump increases, and water yield increases; When steady flow compensation tank internal pressure was lower than an atmospheric pressure, negative pressure inhibition device was opened automatically, made gas enter the steady flow compensation tank, and vacuum is destroyed in the tank, and tap water pipe network does not produce negative pressure; When steady flow compensation tank internal pressure raise, negative pressure inhibition device was discharged gas, makes in the steady flow compensation tank to hold full water, and at this moment, negative pressure inhibition device is closed, and prevents overflow.Simultaneously, water inlet pipe at the steady flow compensation tank is provided with the air partition device, when negative pressure occurring in the tap water pipe network, air partition gas is connected atmosphere, destroy the vacuum in the pipe network, further suppress to produce negative pressure in the tap water pipe network, thereby guarantee the normal operation of water system, particularly when negative pressure inhibition device broke down, this non-negative pressure water service system was unaffected.
2, the non-negative pressure water service system that provides of the utility model, energy consumption is low.The non-negative pressure water service system that the utility model provides is provided with one group of by-pass line on the outlet pipe of steady flow compensation tank, be provided with flap valve on the by-pass line.When the water yield of tap water pipe network during greater than pump capacity, the water of tap water pipe network offers the user by by-pass line, and water pump does not need to open, thereby has saved energy consumption.The non-negative pressure water service system that the utility model provides, the course of work just satisfy pressure poor of user's usefulness water pressure and tap water pipe network, have greatly saved energy consumption.
3, the non-negative pressure water service system that provides of the utility model, the occupation of land space of installation is little.The non-negative pressure water service system that the utility model provides, directly be connected with the municipal tap water pipeline, and steady flow compensation tank and negative pressure inhibition device are together, have the steady flow compensation of making tank storage full water, as a supplement the function at water source, therefore, compare with the water system of conventional art, can cancel cisten mechanism, thereby saved the fabricating yard area of non-negative pressure water service system, and simple in structure, easy for installation.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of the utility model non-negative pressure water service system;
Reference numeral: 1-steady flow compensation tank, 2-water inlet, 3-water inlet pipe, 4-delivery port, 5-outlet pipe, 6-variable frequency pump unit, 7-user pipe, 8-negative pressure inhibition device, 9-air partition device, 10-pressure vacuum gauge, the 11-pressure sensor, 12-by-pass line, 13-flap valve, 14-exhaust-valve.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The specific embodiment
In conjunction with Fig. 1, a kind of non-negative pressure water service system, comprise steady flow compensation tank 1, the water inlet 2 of steady flow compensation tank 1 connects water inlet pipe 3, and water inlet pipe 3 is connected with municipal pipeline, and the delivery port 4 of steady flow compensation tank 1 connects outlet pipe 5, outlet pipe 5 connects variable frequency pump unit 6, the port of export of variable frequency pump unit 6 is connected with user pipe 7, is provided with negative pressure inhibition device 8 on the steady flow compensation tank 1, is provided with air partition device 9 on the water inlet pipe 3.Arrow among the figure represents the flow direction of water.
During work, set the operating pressure of variable frequency pump unit 6, namely the user uses water pressure.During domestic water, variable frequency pump unit 6 is the pipeline pressure value of monitor force sensor 11 feedbacks constantly, according to value of feedback with setting value compares and computing, automatically adjusts the power output of water pump, reduces to greatest extent the power output of water pump, energy efficient.Variable frequency pump unit 6 can be two groups, and when a water pump can not be met consumers' demand, an other water pump dropped into automatically, to guarantee user's working pressure.
The water inlet of steady flow compensation tank 1 connects water inlet pipe 3, and water inlet pipe 3 is connected with municipal pipeline, when the pressure rise of tap water pipe network, when reaching the setting pressure of variable frequency pump unit, variable frequency pump unit 6 through one section time-delay after the reduction rotating speed until stop; When pressure dropped to a certain setup pressure value, the variable frequency pump unit put into operation again.The course of work of this non-negative pressure water-supply installation just satisfies pressure poor of user's usefulness water pressure and tap water pipe network, has greatly saved energy consumption.
When steady flow compensation tank internal pressure was lower than an atmospheric pressure, negative pressure inhibition device was opened automatically, made gas enter the steady flow compensation tank, and vacuum is destroyed in the steady flow compensation tank, and tap water pipe network does not produce negative pressure; When steady flow compensation tank internal pressure raise, negative pressure inhibition device was discharged gas, makes in the steady flow compensation tank to hold full water, and at this moment, negative pressure inhibition device is closed, and prevents overflow.Therefore, the steady flow compensation tank has the water storage function of water tank, holds full water in the steady flow compensation tank, can be used as make-up water source, also can realize normal water supply when the tap water pipe network pressure decreased.
Be provided with air partition device 9 on the water inlet pipe 3, when negative pressure occurring in the tap water pipe network, air partition gas is connected atmosphere, destroy the vacuum in the pipe network, further suppress to produce in the tap water pipe network negative pressure, thereby guarantee the normal operation of water system, particularly when negative pressure inhibition device broke down, this non-negative pressure water service system was unaffected.
In the present embodiment, steady flow compensation tank 1 top is provided with pressure vacuum gauge 10, for detection of the vacuum pressure in the steady flow compensation tank 1, the pressure vacuum gauge 10 preferred and chain controls of negative pressure inhibition device, pressure vacuum gauge also can only show, be used for providing concrete vacuum pressure parameter to the user, so that this non-negative pressure water service system is adjusted.
In the present embodiment, be provided with pressure sensor 11 on the outlet pipe 5, pressure sensor 11 is arranged on variable frequency pump unit 6 and user pipe 7, pressure sensor 11 and the 6 interlock controls of variable frequency pump unit.Pressure sensor 11 is used for the hydraulic pressure of monitoring outlet conduit, and variable frequency pump unit 6 is adjusted the rotating speed of water pump according to the hydraulic pressure value of pressure sensor 11 feedbacks, thereby reduces the energy consumption of water pump.
In the present embodiment, also be provided with one group of by-pass line 12 on the outlet pipe 5, be provided with flap valve 13 on the by-pass line 12.When the pressure of tap water pipe network is normal, in the time of can offering the user, offer the user by by-pass line 12 behind the water process steady flow compensation tank 1, reduce the opening time of variable frequency pump unit 6, reduce energy consumption.Flap valve 13 can prevent aqueous reflux, assure feed water normal.
In the present embodiment, steady flow compensation tank 1 bottom is provided with exhaust-valve 14, be used for to discharge the steady flow compensation tank sewage etc., easy cleaning.
In the utility model; can be provided with content gauge on the steady flow compensation tank 1; content gauge and the 6 interlock controls of variable frequency pump unit; when tap water pipe network is cut off the water; cause steady flow compensation tank liquid level constantly to descend, when dropping to certain value, content gauge with signal feedback to variable frequency pump unit 6; the variable frequency pump unit is out of service, with protection variable frequency pump unit.
The non-negative pressure water service system that the utility model provides takes full advantage of the pressure energy of tap water pipe network, and economize on electricity can reach 50-90%.
The non-negative pressure water service system that the utility model provides adopts totally-enclosed way of supplying water, has avoided the deficiency of traditional way of supplying water, the secondary pollution of having stopped water quality.
The non-negative pressure water service system that the utility model provides is provided with the air partition device at water inlet pipe, when negative pressure inhibition device is eliminated negative pressure, further suppresses tap water pipe network and produces negative pressure, the normal operation of assure feed water system.
The above only is preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of doing, is equal to replacement etc. in protection domain of the present utility model, all should be included within the protection domain of the present utility model.
Claims (6)
1. non-negative pressure water service system, comprise the steady flow compensation tank, the water inlet of described steady flow compensation tank connects water inlet pipe, described water inlet pipe is connected with municipal pipeline, and the delivery port of described steady flow compensation tank connects outlet pipe, and described outlet pipe connects the variable frequency pump unit, the port of export of described variable frequency pump unit is connected with user pipe, be provided with negative pressure inhibition device on the described steady flow compensation tank, it is characterized in that, be provided with the air partition device on the described water inlet pipe.
2. non-negative pressure water service system according to claim 1 is characterized in that, described steady flow compensation tank top is provided with pressure vacuum gauge.
3. non-negative pressure water service system according to claim 2, it is characterized in that, be provided with pressure sensor on the described outlet pipe, described pressure sensor is arranged between described variable frequency pump unit and the user pipe, described pressure sensor and described variable frequency pump unit interlock control.
4. non-negative pressure water service system according to claim 3 is characterized in that, also is provided with one group of by-pass line on the described outlet pipe, is provided with flap valve on the described by-pass line.
5. non-negative pressure water service system according to claim 4 is characterized in that, is provided with content gauge on the described steady flow compensation tank, described content gauge and described variable frequency pump unit interlock control.
6. non-negative pressure water service system according to claim 5 is characterized in that, described steady flow compensation pot bottom is provided with exhaust-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220517782 CN202809701U (en) | 2012-10-09 | 2012-10-09 | Non-negative pressure water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220517782 CN202809701U (en) | 2012-10-09 | 2012-10-09 | Non-negative pressure water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202809701U true CN202809701U (en) | 2013-03-20 |
Family
ID=47868610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220517782 Expired - Fee Related CN202809701U (en) | 2012-10-09 | 2012-10-09 | Non-negative pressure water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202809701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593356A (en) * | 2019-10-11 | 2019-12-20 | 山东沂源瑞特自动化设备有限公司 | Two-tank three-cavity type non-negative pressure water supply equipment |
-
2012
- 2012-10-09 CN CN 201220517782 patent/CN202809701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593356A (en) * | 2019-10-11 | 2019-12-20 | 山东沂源瑞特自动化设备有限公司 | Two-tank three-cavity type non-negative pressure water supply equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20171009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |