CN206707988U - Pump performance test self assembly experimental provision - Google Patents
Pump performance test self assembly experimental provision Download PDFInfo
- Publication number
- CN206707988U CN206707988U CN201720452577.5U CN201720452577U CN206707988U CN 206707988 U CN206707988 U CN 206707988U CN 201720452577 U CN201720452577 U CN 201720452577U CN 206707988 U CN206707988 U CN 206707988U
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- Prior art keywords
- water
- pump
- water pump
- valve
- pressure transmitter
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- 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.)
- Withdrawn - After Issue
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Abstract
It the utility model is related to a kind of pump performance test self assembly experimental provision,Including water tank,First water pump,Second water pump,Vacuum meter,Inlet pressure transmitter,Power sensor,Controller,Water tank is separated into pump chamber and backwater room by dividing plate,First water pump is connected with being inserted vertically into the water inlet pipe of pump chamber respectively with the water inlet of the second water pump,Delivery port is connected to outfall sewer through exit branch respectively,Outfall sewer connects with backwater room,Inlet control valve is equipped with water inlet pipe,The bottom of water inlet pipe is equipped with check valve,Top is equipped with irrigation device and water irrigating valve,Air bleeding valve is sequentially provided with outfall sewer,Outlet pressure transmitter,Turbine flowmeter,Rate of discharge regulating valve,Outlet pressure transmitter is connected through branch pipe with outfall sewer,Air bleeding valve is connected to below outlet pressure transmitter on branch pipe,The exit branch of first water pump is provided with the first waterway switching valve,The exit branch of second water pump is provided with the second waterway switching valve,Thermometer is set in backwater room,It is simple in construction.
Description
Technical field
It the utility model is related to a kind of pump performance test self assembly experimental provision.
Background technology
Experiment of Principles of Chemical Engineering is the profession basis required course of chemical industry and nearly chemical industry relevant speciality, belongs to engineering experiment category,
With significant engineering characteristic.Each experimental project can be built equivalent to the unit operation in Chemical Manufacture by experiment
Certain concept of engineering is erected, and the performance test of pump experiment is one of link important in the course teaching.In order that student
The further design principle of study pump performance test experimental facilities, the design of experimental program, the selection of experiment equipment, experimental provision
Installation, thus ability, this case such as debugging produce.
Utility model content
In view of the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of pump performance test certainly
Experimental provision is assembled, is not only simple in structure, and convenient and efficient.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of pump performance test self assembly experiment
Device, including water tank, the first water pump, the second water pump, vacuum meter, inlet pressure transmitter, power sensor, outlet pressure pick-up
Device, turbine flowmeter, controller, the water tank are separated into pump chamber and backwater room by dividing plate, the first water pump and the second water pump
Water inlet is connected with being inserted vertically into the water inlet pipe of pump chamber respectively, and the delivery port of the first water pump and the second water pump is respectively through water outlet branch
Pipe is connected to outfall sewer, and outfall sewer connects with backwater room, and inlet control valve, the bottom of the water inlet pipe are equipped with water inlet pipe
End is equipped with check valve, top is equipped with irrigation device and water irrigating valve, and vacuum meter is connected to the water irrigating valve of the first water pump through branch pipe
On the water inlet pipe of lower section, inlet pressure transmitter is connected to through branch pipe below the water irrigating valve of the second water pump on water inlet pipe, outfall sewer
On along fluid flow direction be sequentially provided with air bleeding valve, outlet pressure transmitter, turbine flowmeter, rate of discharge regulating valve, its
Middle outlet pressure transmitter is connected through branch pipe with outfall sewer, and air bleeding valve is connected to below outlet pressure transmitter on branch pipe, the
The exit branch of one water pump is provided with the first waterway switching valve, and the exit branch of the second water pump is provided with the second Lode switching valve
, it is provided with thermometer in backwater room.
Preferably, first water pump and the second water pump are electrically connected with power sensor, first water pump, second
Water pump, vacuum meter, inlet pressure transmitter, power sensor, outlet pressure transmitter, turbine flowmeter are electrical with controller
Connection.
Preferably, the controller is arranged in electric cabinet, is additionally provided with the electric cabinet and is electrically connected with controller
Frequency converter, flow displaying instrument, rotating speed display instrument, pressure display instrument table, power display instrument.
Preferably, the dividing plate is vertically arranged, and water pump is communicated between the bottom of the dividing plate and the inner bottom part of water tank
Room and the port of backwater room.
Preferably, also through a water pipe and second on the water inlet pipe between the inlet control valve and vacuum meter of first water pump
The exit branch of water pump is connected, and the 3rd waterway switching valve is provided with water pipe.
Preferably, each part of pump performance test self assembly experimental provision is attached positioning through dismountable clip chuck,
It is easy to disassembled and assembled freely and assembling.
Compared with prior art, the utility model has the advantages that：The pump performance test self assembly experimental provision
Structure it is simple, it is reasonable in design, student can by the device carry out experimental part selection, installation, debugging, pass through the experiment
The various pump characteristic curves that device to test goes out under different operating modes, more flexible hardware bar is provided for the Inquiry Learning of student
Part.
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the organigram of the utility model embodiment.
Fig. 2 is the top view of water tank in the utility model embodiment.
Embodiment
For features described above and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing,
It is described in detail below.
As shown in Figure 1 and 2, a kind of pump performance test self assembly experimental provision, including the first water pump 1, the second water pump 2, water tank
3rd, vacuum meter 4, inlet pressure transmitter 5, power sensor 6, outlet pressure transmitter, turbine flowmeter, controller, the water
Case is separated into pump chamber 9 and backwater room 10 by dividing plate 8, and the water inlet of the first water pump and the second water pump is respectively with being inserted vertically into water pump
The water inlet pipe 11 of room connects, and the delivery port of the first water pump and the second water pump is connected to outfall sewer 13 through exit branch 12 respectively,
Outfall sewer is connected with backwater room, and inlet control valve 14 is equipped with water inlet pipe, and the bottom of the water inlet pipe is equipped with check valve
15th, top is equipped with irrigation device 16 and water irrigating valve 17, and vacuum meter is connected to below the water irrigating valve of the first water pump through branch pipe 18
On water pipe, inlet pressure transmitter is connected to below the water irrigating valve of the second water pump on water inlet pipe through branch pipe, on outfall sewer along
Fluid flow direction is sequentially provided with air bleeding valve 19, outlet pressure transmitter 20, turbine flowmeter 21, rate of discharge regulating valve 22,
Wherein outlet pressure transmitter is connected through branch pipe with outfall sewer, and air bleeding valve is connected to below outlet pressure transmitter on branch pipe,
Air bleeding valve is used for the gas for discharging pressure tap, makes pressure accurate stable, the exit branch of the first water pump is cut provided with the first water route
Valve 23 is changed, the exit branch of the second water pump is provided with the second waterway switching valve 30, thermometer 24 is provided with backwater room.
In the utility model embodiment, the first water pump, the second water pump are centrifugal pump or peripheral pump, and water pump may be mounted at
More than water tank level, it can also be arranged on below water tank level.
In the utility model embodiment, irrigation device can be the water storage tank body for containing water, or directly be connected to
Water pipe.
In the utility model embodiment, first water pump and the second water pump are electrically connected with power sensor, institute
State the first water pump, the second water pump, vacuum meter, inlet pressure transmitter, power sensor, outlet pressure transmitter, turbine flow
Meter is electrically connected with controller.
In the utility model embodiment, the controller is arranged in electric cabinet 25, is additionally provided with the electric cabinet
Frequency converter 26, flow displaying instrument 27, rotating speed display instrument 28, pressure display instrument table, the power being electrically connected with controller show
Show instrument, power switch etc.；Test instrumentation in the present embodiment also includes speed probe, temperature sensor.
In the utility model embodiment, the dividing plate is vertically arranged, the bottom of the dividing plate and the inner bottom part of water tank it
Between be communicated with the port 29 of pump chamber and backwater room, water tank is square, and the purpose of dividing plate is the current for reducing backwater room to water
The disturbance of pump chamber, the current of pump chamber are made to keep relatively steady.
In the utility model embodiment, on the water inlet pipe between the inlet control valve and vacuum meter of first water pump also
Connected through a water pipe 7 with the exit branch of the second water pump, the 3rd waterway switching valve 31 is provided with water pipe.
In the utility model embodiment, pump each part of performance test self assembly experimental provision is through dismountable clip chuck
Positioning is attached, is easy to disassembled and assembled freely and assembling.
A kind of experimental method of pump performance test self assembly experimental provision, is carried out according to the following steps：
（1）Pump characteristic curve is tested：The first water pump is chosen, in the case where closing rate of discharge regulating valve, first opens and fills
Water valve carries out tank pump, then turns on the power switch, and starts the first water pump, with rate of discharge regulating valve by Flow-rate adjustment to maximum,
Maximum stream flow scope is observed, determines therefrom that rational experiment is layouted；By the change of rate of discharge governor valve control water-carrying capacity, survey
Flow, inlet vacuum degree under examination different flow, outlet pressure, temperature, power of motor, the value of rotating speed, the data warp tested
Pump characteristic curve can be obtained by crossing data processing；
（2）Characteristic curve of pipeline：After pump characteristic curve test is completed, keep experimental provision constant, by rate of discharge
Regulating valve is opened to maximum, by electric machine frequency distribution experiments test point, reads flow, the inlet vacuum under different electric machine frequencies respectively
Degree, outlet pressure, temperature, power of motor, the value of rotating speed and electric machine frequency, the data tested can obtain by data processing
Characteristic curve of pipeline；When adjusting the aperture of rate of discharge regulating valve, it can test out under different rate of discharge control valve openings
Characteristic curve of pipeline；
（3）Different rotating speeds down-off and lift relation curve：After pump characteristic curve test is completed, experimental provision is kept
It is constant, electric machine frequency is lowered to a predetermined value, with rate of discharge regulating valve by Flow-rate adjustment to maximum, observes maximum stream flow model
Enclose, determine therefrom that rational experiment is layouted, by the change of rate of discharge governor valve control water-carrying capacity, test under different flow
Flow, inlet vacuum degree, outlet pressure, temperature, power of motor, the value of rotating speed, by the data tested by data processing i.e.
The flow and lift relation curve under the rotating speed can be obtained, can similarly test out flow and lift relation song under different rotating speeds
Line；
（4）Series connection of pumps characteristic curve：The first water pump and the second water pump are chosen, by the inlet control valve of the first water pump, second
Waterway switching valve is closed, and the 3rd waterway switching valve and the first waterway switching valve are opened, and is closing rate of discharge regulating valve
In the case of, pump is first filled, is then turned on the power switch, starts pump, with rate of discharge regulating valve by Flow-rate adjustment to maximum, observation
Maximum stream flow scope, determine therefrom that rational experiment is layouted, by the change of rate of discharge governor valve control water-carrying capacity, read respectively
Flow under different flow, inlet vacuum degree, outlet pressure, temperature, power of motor, the value of rotating speed are taken, the data warp tested
Series connection of pumps characteristic curve can be obtained by crossing data processing；
（5）Parallel connection of pumps characteristic curve：The first water pump and the second water pump are chosen, the 3rd waterway switching valve on water pipe is closed
Close, the first waterway switching valve and the second waterway switching valve are opened, and in the case where closing rate of discharge regulating valve, are first filled
Pump, then turn on the power switch, start pump, with rate of discharge regulating valve by Flow-rate adjustment to maximum, observe maximum stream flow scope,
Determine therefrom that rational experiment is layouted, by the change of rate of discharge governor valve control water-carrying capacity, read respectively under different flow
Flow, inlet vacuum degree, outlet pressure, temperature, power of motor, the value of rotating speed, the data tested by data processing i.e.
Parallel connection of pumps characteristic curve can be obtained.
The utility model is not limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
Go out other various forms of pump performance test self assembly experimental provisions.All equalizations done according to present utility model application the scope of the claims
Change and modification, should all belong to covering scope of the present utility model.
Claims (6)
- A kind of 1. pump performance test self assembly experimental provision, it is characterised in that：Including water tank, the first water pump, the second water pump, vacuum Table, inlet pressure transmitter, power sensor, outlet pressure transmitter, turbine flowmeter, controller, the water tank is by dividing plate It is separated into pump chamber and backwater room, the water inlet of the first water pump and the second water pump connects with being inserted vertically into the water inlet pipe of pump chamber respectively Connect, the delivery port of the first water pump and the second water pump is connected to outfall sewer through exit branch respectively, and outfall sewer connects with backwater room It is logical, be equipped with inlet control valve on water inlet pipe, the bottom of the water inlet pipe is equipped with check valve, top is equipped with irrigation device and Water irrigating valve, vacuum meter are connected to through branch pipe below the water irrigating valve of the first water pump on water inlet pipe, and inlet pressure transmitter connects through branch pipe It is connected to below the water irrigating valve of the second water pump on water inlet pipe, is sequentially provided with air bleeding valve along fluid flow direction on outfall sewer, goes out Mouth pressure transmitter, turbine flowmeter, rate of discharge regulating valve, wherein outlet pressure transmitter connect through branch pipe and outfall sewer Connect, air bleeding valve is connected to below outlet pressure transmitter on branch pipe, and the exit branch of the first water pump switches provided with the first water route Valve, the exit branch of the second water pump are provided with the second waterway switching valve, thermometer are provided with backwater room.
- 2. pump performance test self assembly experimental provision according to claim 1, it is characterised in that：First water pump and Two water pumps are electrically connected with power sensor, first water pump, the second water pump, vacuum meter, inlet pressure transmitter, power Sensor, outlet pressure transmitter, turbine flowmeter are electrically connected with controller.
- 3. pump performance test self assembly experimental provision according to claim 1, it is characterised in that：The controller is arranged on In electric cabinet, the frequency converter being electrically connected with controller, flow displaying instrument, rotating speed display instrument are additionally provided with the electric cabinet Table, pressure display instrument table, power display instrument.
- 4. pump performance test self assembly experimental provision according to claim 1, it is characterised in that：The dividing plate is set vertically Put, the port of pump chamber and backwater room is communicated between the bottom of the dividing plate and the inner bottom part of water tank.
- 5. pump performance test self assembly experimental provision according to claim 1, it is characterised in that：First water pump enters Also connect with the exit branch of the second water pump through a water pipe on water inlet pipe between mouth control valve and vacuum meter, be provided with water pipe 3rd waterway switching valve.
- 6. pump performance test self assembly experimental provision according to claim 1, it is characterised in that：Pump performance test self assembly Each part of experimental provision is attached positioning through dismountable clip chuck, is easy to disassembled and assembled freely and assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452577.5U CN206707988U (en) | 2017-04-27 | 2017-04-27 | Pump performance test self assembly experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720452577.5U CN206707988U (en) | 2017-04-27 | 2017-04-27 | Pump performance test self assembly experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206707988U true CN206707988U (en) | 2017-12-05 |
Family
ID=60457461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720452577.5U Withdrawn - After Issue CN206707988U (en) | 2017-04-27 | 2017-04-27 | Pump performance test self assembly experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206707988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894982A (en) * | 2017-04-27 | 2017-06-27 | 福州大学 | Pump performance test self assembly experimental provision and its experimental technique |
| CN112835390A (en) * | 2021-03-03 | 2021-05-25 | 中航工业南航（深圳）测控技术有限公司 | High-resolution micropressure flow state pressure regulating device |
-
2017
- 2017-04-27 CN CN201720452577.5U patent/CN206707988U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894982A (en) * | 2017-04-27 | 2017-06-27 | 福州大学 | Pump performance test self assembly experimental provision and its experimental technique |
| CN106894982B (en) * | 2017-04-27 | 2018-09-18 | 福州大学 | Pump performance test self assembly experimental provision and its experimental method |
| CN112835390A (en) * | 2021-03-03 | 2021-05-25 | 中航工业南航（深圳）测控技术有限公司 | High-resolution micropressure flow state pressure regulating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171205 Effective date of abandoning: 20180918 |