CN205975942U - Prefabricated pump station no. 1 drags three frequency conversion control systems - Google Patents
Prefabricated pump station no. 1 drags three frequency conversion control systems Download PDFInfo
- Publication number
- CN205975942U CN205975942U CN201620784774.2U CN201620784774U CN205975942U CN 205975942 U CN205975942 U CN 205975942U CN 201620784774 U CN201620784774 U CN 201620784774U CN 205975942 U CN205975942 U CN 205975942U
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- CN
- China
- Prior art keywords
- dredge pump
- frequency
- pump
- exit branch
- dredge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a sewage lifting means, especially a prefabricated pump station no. 1 drags three frequency conversion control systems, including frequency -variable controller ware, barrel, setting three dredge pump, inlet channel and the outlet conduit of setting on the barrel in the barrel, three dredge pump is first dredge pump, second dredge pump and third dredge pump respectively, be equipped with the level gauge in the barrel, the dredge pump sets up in the barrel bottom, and the play water end (W. E. ) of dredge pump passes through pipe connection outlet conduit, and the level gauge is connected to frequency -variable controller's signal reception end, and every dredge pump is connected to frequency -variable controller's control end. The utility model discloses a frequency -variable controller comes the control blow down pump to start shooting or shut down and carry out sewage promotion emission, can adjust the dredge pump quantity of operation and the dredge pump power of operation at any time according to the liquid level change to can improve the drainage environment, reach the energy saving and consumption reduction purpose, and the drainage is reliable and stable, the maintenance cost low.
Description
Technical field
This utility model is related to a kind of sewage lifting device, and especially a kind of prefabricated pumping plant one drags three frequency-changing control systems.
Background technology
Existing sewage lifting device generally directly controls three blowdown pump startups, no matter how many displacement is all fully loaded
Run, prefabricated sewage lifting system remains high all the time for a long time, and daily displacement is too high with monomer electric quantity consumption electricity.
Utility model content
This utility model is in order to solve defect and deficiency present in above-mentioned prior art, there is provided one kind can improve row
Water environment, reach energy-saving purpose, and the prefabricated pumping plant one that draining is reliable and stable, maintenance cost is low drags three VFC systems
System.
The technical solution of the utility model：A kind of prefabricated pumping plant one drags three frequency-changing control systems, including frequency-variable controller device,
Cylinder, three dredge pumps being arranged in cylinder, the inlet channel being arranged on cylinder and outlet conduit；Three dredge pumps are respectively
For the first dredge pump, the second dredge pump and the 3rd dredge pump, it is provided with liquidometer in described cylinder, described dredge pump is arranged on cylinder
Bottom, the water side of dredge pump connects outlet conduit by pipeline, and the signal receiving end of frequency-variable controller connects liquidometer, frequency conversion
The control end of controller connects each dredge pump.
This utility model carrys out the start of control of sewage disposal pump using frequency-variable controller or shutdown to carry out sewage lifting discharge, energy
According to liquid level change adjust at any time operation dredge pump quantity and run blowdown pump power, such that it is able to improve draining environment,
Reach energy-saving purpose, and draining is reliable and stable, maintenance cost is low.
Preferably, described inlet channel is located at cylinder bottom side, and described outlet conduit is located at cylinder top side, described
Outlet conduit is provided with water outlet collecting pipe, and the outlet of each dredge pump passes through an exit branch and connects water outlet collecting pipe.
This kind of structure makes the stable water outlet of dredge pump high, and the convenient quantity adjusting dredge pump.
Preferably, described first dredge pump is connected with water outlet collecting pipe by the first exit branch, described second dredge pump
It is connected with water outlet collecting pipe by the second exit branch, described 3rd dredge pump passes through the 3rd exit branch with water outlet collecting pipe even
Connect.
Preferably, described cylinder top is provided with cover, and described cover is provided with some exhaust ducts, and described exhaust duct connects
There is exhaust blower, described water outlet collecting pipe is DN25 stainless steel tube, described liquid level is calculated as pressure-type liquidometer.
This kind of structure may insure aeration-drying in cylinder, and the dredge pump in protection cylinder is not damaged by, and extends dredge pump
Service life, reduce maintenance cost；Also improve the ability resistant to pressure of water outlet collecting pipe simultaneously, improve stablizing of dredge pump water outlet
Property, extend the service life of all parts.
Preferably, each exit branch is provided with check-valves and maintenance valve, and described maintenance valve includes being arranged on first
On exit branch first overhauls valve, second being arranged on the second exit branch overhauls valve, be arranged on the 3rd water outlet props up
The 3rd maintenance valve on pipe, first check-valve that described check-valves include being arranged on the first exit branch, is arranged on second
Second check-valve on exit branch, the 3rd check-valves being arranged on the 3rd exit branch.
This kind of structure improves its auto-control degree further, and convenient maintenance.Run more reliable, even if
Wherein indivedual dredge pumps are damaged moreover it is possible to be worked on by other several dredge pumps.Further facilitate it and list is carried out to dredge pump
Solely manipulation and independent maintenance.
This utility model carrys out the start of control of sewage disposal pump using frequency-variable controller or shutdown to carry out sewage lifting discharge, energy
According to liquid level change adjust at any time operation dredge pump quantity and run blowdown pump power, such that it is able to improve draining environment,
Reach energy-saving purpose, and draining is reliable and stable, maintenance cost is low.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is this utility model operational process schematic diagram；
In figure 1. exhaust duct, 2. cover, 3. cylinder, 4. inlet channel, 5. the first dredge pump, 6. outlet conduit, 7. first
Maintenance valve, 8. first check-valve, 9. the second maintenance valve, 10. second check-valve, 11. the 3rd maintenance valves, 12. the 3rd stop
Return valve, 13. second dredge pumps, 14. the 3rd dredge pumps, 15. first exit branch, 16. second exit branch, 17. the 3rd water outlets
Arm, 18. liquidometers, 19. exhaust blowers, 20. water outlet collecting pipes.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail, but is not that model is protected to this utility model
The restriction enclosed.
As illustrated in fig. 1 and 2, a kind of prefabricated pumping plant one drags three frequency-changing control systems, including frequency-variable controller, cylinder 3, setting
In three dredge pumps in cylinder 3, the inlet channel 4 being arranged on cylinder 3 and outlet conduit 6；Three dredge pumps are respectively
One dredge pump 5, the second dredge pump 13 and the 3rd dredge pump 14.It is provided with liquidometer 18 in cylinder 3.Dredge pump is arranged on cylinder 3 bottom
Portion, the water side of dredge pump connects outlet conduit 6 by pipeline, and the signal receiving end of frequency-variable controller connects liquidometer 18, becomes
The control end of frequency controller connects each dredge pump.Inlet channel 4 is located at cylinder 3 bottom side, and outlet conduit 6 is located at cylinder 3
Top side.Outlet conduit 6 is provided with water outlet collecting pipe 20, and the outlet of each dredge pump passes through an exit branch and connects water outlet
Collecting pipe.First dredge pump 5 is connected with water outlet collecting pipe 20 by the first exit branch 15, and the second dredge pump 13 goes out by second
Water arm 16 is connected with water outlet collecting pipe 20, and the 3rd dredge pump 14 is connected with water outlet collecting pipe 20 by the 3rd exit branch 17.
Cylinder 3 top is provided with cover 2, and cover 2 is provided with two exhaust ducts 1, and exhaust duct 1 is connected with exhaust blower 19.Go out
Water collecting pipe 20 is DN25 stainless steel tube, and liquidometer 18 is pressure-type liquidometer.
Each exit branch is provided with check-valves and maintenance valve, and maintenance valve includes being arranged on the first exit branch 15
First maintenance valve 7, be arranged on the second exit branch 16 second maintenance valve 9, be arranged on the 3rd exit branch 17
The 3rd maintenance valve 11.First check-valve 8 that check-valves include being arranged on the first exit branch 15, it is arranged on the second water outlet
Second check-valve 10 on arm 16, the 3rd check-valves 12 being arranged on the 3rd exit branch 17.
When this utility model runs, drive three dredge pumps, the work of blowdown pump operation part in turn with frequency-variable controller
Flow process is as follows:(1) set termination of pumping liquid level, be 1#/2#/3# liquid level.(2) in the case of meeting user's draining, use VFC
Device drives the first blowdown pump work, is controlled the rotating speed of the first dredge pump according to PID control pattern.(3) when inflow occurs
Excessive, in the case of a blowdown pump drainage deficiency, the first dredge pump power frequency drags, the second blowdown pump frequency conversion, rises by zero
Speed drags.（4）First dredge pump power frequency operation, after the second blowdown pump frequency conversion runs, the draining that still can not meet user must be asked
When, frequency conversion dredge pump is switched to power frequency loop by system automatically, then the 3rd dredge pump is opened in frequency conversion, and by zero, raising speed drags.
（5）When system detectio is to termination of pumping liquid level, system-down.
In this utility model, frequency-variable controller is the converter of band signal receive capabilities and control function.
This utility model carrys out the start of control of sewage disposal pump using frequency-variable controller or shutdown to carry out sewage lifting discharge, energy
According to liquid level change adjust at any time operation dredge pump quantity and run blowdown pump power, such that it is able to improve draining environment,
Reach energy-saving purpose, and draining is reliable and stable, maintenance cost is low.
Claims (5)
1. a kind of prefabricated pumping plant one drag three frequency-changing control systems it is characterised in that：It includes frequency-variable controller, cylinder, is arranged on
Three dredge pumps in cylinder, the inlet channel being arranged on cylinder and outlet conduit；Three dredge pumps are respectively the first blowdown
Pump, the second dredge pump and the 3rd dredge pump, are provided with liquidometer in described cylinder, and described dredge pump is arranged on cylinder body bottom, blowdown
The water side of pump connects outlet conduit by pipeline, and the signal receiving end of frequency-variable controller connects liquidometer, frequency-variable controller
Control end connects each dredge pump.
2. a kind of prefabricated pumping plant one according to claim 1 drag three frequency-changing control systems it is characterised in that：Described water inlet pipe
Road is located at cylinder bottom side, and described outlet conduit is located at cylinder top side, and described outlet conduit is provided with water outlet collecting pipe,
The outlet of each dredge pump passes through an exit branch and connects water outlet collecting pipe.
3. a kind of prefabricated pumping plant one according to claim 2 drag three frequency-changing control systems it is characterised in that：Described first row
Dirty pump is connected with water outlet collecting pipe by the first exit branch, and described second dredge pump is confluxed by the second exit branch and water outlet
Pipe connects, and described 3rd dredge pump is connected with water outlet collecting pipe by the 3rd exit branch.
4. a kind of prefabricated pumping plant one according to claim 2 drag three frequency-changing control systems it is characterised in that：Described cylinder top
Portion is provided with cover, and described cover is provided with some exhaust ducts, and described exhaust duct is connected with exhaust blower, and described water outlet collecting pipe is equal
For DN25 stainless steel tube, described liquid level is calculated as pressure-type liquidometer.
5. a kind of prefabricated pumping plant one according to claim 2 drag three frequency-changing control systems it is characterised in that：Each water outlet is propped up
Pipe is provided with check-valves and maintenance valve, the first maintenance valve that described maintenance valve includes being arranged on the first exit branch,
The second maintenance valve being arranged on the second exit branch, the 3rd maintenance valve being arranged on the 3rd exit branch, described only
Return valve to include the first check-valve being arranged on the first exit branch, the second check-valve being arranged on the second exit branch, set
Put the 3rd check-valves on the 3rd exit branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784774.2U CN205975942U (en) | 2016-07-25 | 2016-07-25 | Prefabricated pump station no. 1 drags three frequency conversion control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784774.2U CN205975942U (en) | 2016-07-25 | 2016-07-25 | Prefabricated pump station no. 1 drags three frequency conversion control systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205975942U true CN205975942U (en) | 2017-02-22 |
Family
ID=58025463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620784774.2U Expired - Fee Related CN205975942U (en) | 2016-07-25 | 2016-07-25 | Prefabricated pump station no. 1 drags three frequency conversion control systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205975942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863559A (en) * | 2018-08-27 | 2020-03-06 | 上海熊猫机械(集团)有限公司 | Energy-saving intelligent prefabricated pump station |
-
2016
- 2016-07-25 CN CN201620784774.2U patent/CN205975942U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863559A (en) * | 2018-08-27 | 2020-03-06 | 上海熊猫机械(集团)有限公司 | Energy-saving intelligent prefabricated pump station |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20170725 |