CN207176798U - A kind of balance-type reflux - Google Patents
A kind of balance-type reflux Download PDFInfo
- Publication number
- CN207176798U CN207176798U CN201721049379.0U CN201721049379U CN207176798U CN 207176798 U CN207176798 U CN 207176798U CN 201721049379 U CN201721049379 U CN 201721049379U CN 207176798 U CN207176798 U CN 207176798U
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- delivery pump
- inlet end
- water inlet
- flow divider
- conduit
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
It the utility model is related to a kind of balance-type reflux, including backflash, the first delivery pump, the second delivery pump, the first conveyance conduit, the second conveyance conduit and supply line, in addition to the first shunt conduit, the second shunt conduit, the first flow divider, the second flow divider, the first control valve and the second control valve.After the technical solution of the utility model, first flow divider and the second flow divider are after first adjustment, keep certain open degree, afterwards, first delivery pump and the second delivery pump alternation, it is thus only necessary to the keying of the first control valve and the second control valve is controlled, without adjusting the first flow divider and the second flow divider again, reflux of the present utility model is capable of supply that stable water-carrying capacity, while improves the service life and stability of the first delivery pump and the second delivery pump.
Description
Technical field
It the utility model is related to a kind of balance-type reflux.
Background technology
Flow represented on label is the metered flow of this water pump when water pump dispatches from the factory, that is, the median of flow,
Water pump operating efficiency highest under this data on flows, if deviate from the work of this flow in use, then
The efficiency of water pump can all substantially reduce, and occur if the deviation from the phenomenon for also resulting in burn-down of electric motor too much.Reference picture 2, for reality
Existing rationing engineering water, such as supply is 5m3/ h, the flow of water pump is 7m3/ h, it will usually a shunt conduit is set, will
2m3/ h water stream is simultaneously recycled in backflow pool.Reference picture 3, in order to avoid pump works long hours, it will usually using two rule
Lattice identical pump carries out current and conveyed in turn, and the output end of two pumps is collected to by the first conveyance conduit and the second conveying pipeline
Collection is to house steward, then is delivered to engineering land used, and in order to carry out flow control, shunt conduit and flow divider are provided with house steward.But
Found in actual use, although the specification of two pumps is identical, yet with the upper error of manufacture, working flow or more than 7m3/h
Or less than 7, during First pump work, the conveying capacity that pump is adjusted by flow divider is 5m3After/h, First pump work stops
Afterwards, switch second pump to be operated, be now frequently necessary to adjust flow divider again, the supply that just can guarantee that current is 5m3/
h.Flow divider is frequently adjusted, the working strength of operating personnel can be increased, and if forgetting to be adjusted flow divider, then may
There is the situation such as water-supply shortages or excess.
In consideration of it, the present inventor carries out in-depth study to above mentioned problem, there is this case generation then.
Utility model content
The purpose of this utility model is to provide a kind of use longevity for ensureing rationing, reducing labor intensity, ensureing pump
The balance-type reflux of life.
In order to achieve the above object, technical scheme as the utility model use：
A kind of balance-type reflux, including backflash, the first delivery pump, the second delivery pump, the first conveyance conduit, second
Conveyance conduit and supply line, the water inlet end of the first delivery pump are communicated to backflash, the water side of the first delivery pump and first
The water inlet end connection of conveyance conduit, the water inlet end of the second delivery pump are communicated to backflash, and the water side of the second delivery pump is connected to
The water side of the water inlet end of second conveyance conduit, the water side of the first conveyance conduit and the second conveyance conduit is connected to supply pipe
The water inlet end in road, in addition to the first shunt conduit, the second shunt conduit, the first flow divider, the second flow divider, the first control valve with
And second control valve, the water inlet end of the first shunt conduit be arranged on the first delivery pump water side and supply line water inlet end it
Between and connect with the first conveyance conduit, the water side of the first shunt conduit connects with backflash, and the first flow divider is arranged on first
In shunt conduit, the first control valve is arranged between the water inlet end of the first shunt conduit and the water inlet end of supply line, second point
The water inlet end in flow tube road be arranged between the water side of the second delivery pump and the water inlet end of supply line and with the second conveyance conduit
Connection, the second shunt conduit water side are connected with backflash, and the second flow divider is arranged in the second shunt conduit, the second control valve
It is arranged between the water inlet end of the second shunt conduit and the water inlet end of supply line.
It is arranged on as a kind of preferred embodiment of the present utility model, in addition to flowmeter, flowmeter in supply line.
After the technical solution of the utility model, the first flow divider and the second flow divider are kept after first adjustment
Certain open degree, afterwards, the first delivery pump and the second delivery pump alternation, it is thus only necessary to control the first control valve and second
The keying of control valve, without adjusting the first flow divider and the second flow divider again, reflux of the present utility model can be for
The water-carrying capacity that should stablize, while improve the service life and stability of the first delivery pump and the second delivery pump.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the first embodiment in the prior art；
Fig. 3 is the structural representation of second of embodiment in the prior art；
In figure：
10- backflashes the first delivery pumps of 20-
30- the second delivery pump the first conveyance conduits of 40-
41- the first control valve the second conveyance conduits of 50-
51- the second control valve the first shunt conduits of 60-
61- the first flow divider the second shunt conduits of 70-
71- the second flow divider 80- supply lines
81- flowmeters
Embodiment
In order to which the technical solution of the utility model is explained further, it is described in detail below in conjunction with the accompanying drawings.
Reference picture 1, arrow represents the flow direction of current in figure, a kind of balance-type reflux, including backflash 10, the
One delivery pump 20, the second delivery pump 30, the first conveyance conduit 40, the second conveyance conduit 50 and supply line 80, backflash 10
For water source, for improving engineering water.The water inlet end of first delivery pump 20 is communicated to backflash 10, the water outlet of the first delivery pump 20
End is connected with the water inlet end of the first conveyance conduit 40, and the water inlet end of the second delivery pump 30 is communicated to backflash 10, the second delivery pump
30 water side is connected to the water inlet end of the second conveyance conduit 50, the water side of the first conveyance conduit 40 and the second conveyance conduit 50
Water side be connected to the water inlet end of supply line 80.
The utility model also includes the first shunt conduit 60, the second shunt conduit 70, the first flow divider 61, the second flow divider
71st, the first control valve 41 and the second control valve 51, the water inlet end of the first shunt conduit 60 are arranged on going out for the first delivery pump 20
Connected between water end (W.E.) and the water inlet end of supply line 80 and with the first conveyance conduit 40, the water side of the first shunt conduit 60 is with returning
Chute 10 is connected, and the first flow divider 61 is arranged in the first shunt conduit 60, for adjusting the water-carrying capacity of shunting, the first control valve
41 are arranged between the water inlet end of the first shunt conduit 60 and the water inlet end of supply line 80, and the first control valve 41 can realize
The cut-out and unlatching at the water source of one conveyance conduit 40.The water inlet end of second shunt conduit 70 is arranged on the water side of the second delivery pump 30
Connected between the water inlet end of supply line 80 and with the second conveyance conduit 50, the water side of the second shunt conduit 70 and backflash 10
Connection, the second flow divider 71 are arranged in the second shunt conduit 70, and for adjusting the water-carrying capacity of shunting, the second control valve 51 is set
Between the water inlet end of the second shunt conduit 70 and the water inlet end of supply line 80, for realizing the water source of the second conveyance conduit 40
Cut-out and unlatching.
As a kind of preferred embodiment of the present utility model, in addition to flowmeter 81, flowmeter 81 is arranged on supply line 80
In, flowmeter 81 is used for the flow for monitoring current in supply line 80.
To supply 5m3/ h, the working flow of pump is 7m3Illustrate the course of work of the present utility model exemplified by/h：Second control valve
51 are closed, and the second delivery pump 30 is not worked, and the first delivery pump 20 is worked, and the first control valve 41 is opened, and pass through the shunting of regulation first
Valve 41 so that the flow of supply line 80 is 5m3/ h, after the first delivery pump 20 works a period of time, it is stopped, closes the
One control valve 41, the second delivery pump 30 are worked, and the second control valve 51 is opened, by adjusting the second flow divider 71 so that supply pipe
The flow in road 80 is 5m3/ h, the first flow divider 61 and the second flow divider 71 keep certain open degree after first adjustment,
Afterwards, the first delivery pump 20 and the alternation of the second delivery pump 30, it is thus only necessary to control the first control valve 41 and the second control valve
42 keying, without adjusting the first flow divider 61 and the second flow divider 71 again, reflux supply of the present utility model is steady
Fixed flow, while improve the service life of the first delivery pump 20 and the second delivery pump 30.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out similar thinking to it
Appropriate change or modification, all should be regarded as not departing from patent category of the present utility model.
Claims (2)
1. a kind of balance-type reflux, including it is backflash, the first delivery pump, the second delivery pump, the first conveyance conduit, second defeated
Send pipeline and supply line, the water inlet end of the first delivery pump is communicated to backflash, the water side of the first delivery pump and first defeated
The water inlet end of pipeline is sent to connect, the water inlet end of the second delivery pump is communicated to backflash, and the water side of the second delivery pump is connected to
The water side of the water inlet end of two conveyance conduits, the water side of the first conveyance conduit and the second conveyance conduit is connected to supply line
Water inlet end, it is characterised in that：Also include the first shunt conduit, the second shunt conduit, the first flow divider, the second flow divider, the
One control valve and the second control valve, the water inlet end of the first shunt conduit are arranged on water side and the supply line of the first delivery pump
Water inlet end between and connect with the first conveyance conduit, the water side of the first shunt conduit connects with backflash, the first flow divider
Be arranged in the first shunt conduit, the first control valve be arranged on the first shunt conduit water inlet end and supply line water inlet end it
Between, the water inlet end of the second shunt conduit is arranged between the water side of the second delivery pump and the water inlet end of supply line and with second
Conveyance conduit is connected, and the second shunt conduit water side is connected with backflash, and the second flow divider is arranged in the second shunt conduit, the
Two control valves are arranged between the water inlet end of the second shunt conduit and the water inlet end of supply line.
A kind of 2. balance-type reflux as claimed in claim 1, it is characterised in that：Also include flowmeter, flowmeter is set
In supply line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721049379.0U CN207176798U (en) | 2017-08-21 | 2017-08-21 | A kind of balance-type reflux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721049379.0U CN207176798U (en) | 2017-08-21 | 2017-08-21 | A kind of balance-type reflux |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207176798U true CN207176798U (en) | 2018-04-03 |
Family
ID=61740339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721049379.0U Active CN207176798U (en) | 2017-08-21 | 2017-08-21 | A kind of balance-type reflux |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207176798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028200A (en) * | 2019-04-24 | 2019-07-19 | 东南大学 | A kind of small-sized purification tank mixed liquor regurgitant volume self-checking device and adjusting method |
-
2017
- 2017-08-21 CN CN201721049379.0U patent/CN207176798U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028200A (en) * | 2019-04-24 | 2019-07-19 | 东南大学 | A kind of small-sized purification tank mixed liquor regurgitant volume self-checking device and adjusting method |
| CN110028200B (en) * | 2019-04-24 | 2021-08-24 | 东南大学 | Automatic regulating device and regulating method for mixed liquid reflux quantity of small purifying tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The bridge in Anxi County of Quanzhou City, Fujian province 362400 East Second Ring Road in Neixiang Hu Shui. Patentee after: Fujian Zhongke Sanjing environmental protection Co., Ltd Address before: The bridge in Anxi County of Quanzhou City, Fujian province 362400 East Second Ring Road in Neixiang Hu Shui. Patentee before: FUJIAN SANJING ENVIRONMENTAL PROTECTION FACILITY & TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.889, East Second Ring Road, Anxi County, Quanzhou City, Fujian Province Patentee after: Fujian Zhongke Sanjing environmental protection Co., Ltd Address before: The bridge in Anxi County of Quanzhou City, Fujian province 362400 East Second Ring Road in Neixiang Hu Shui. Patentee before: Fujian Zhongke Sanjing environmental protection Co., Ltd |