CN105781959A - Flow testing device of water pump experimental station - Google Patents
Flow testing device of water pump experimental station Download PDFInfo
- Publication number
- CN105781959A CN105781959A CN201610249811.4A CN201610249811A CN105781959A CN 105781959 A CN105781959 A CN 105781959A CN 201610249811 A CN201610249811 A CN 201610249811A CN 105781959 A CN105781959 A CN 105781959A
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- degree
- outlet
- water inlet
- elbows
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
Abstract
The invention relates to a flow testing device of a water pump experimental station; the flow testing device can cover the testing work of large, medium and small pumps, saves the experimental place, and is low in manufacturing cost and simple in operation; and the testing results satisfy the industry standard requirements. A reducing joint, a shunting tank, a 3# 90-degree elbow, a 2# 90-degree elbow, a 3# straight pipe, an electromagnetic flow meter, a telescopic joint, a 2# straight pipe, an electric adjusting valve, a 1# straight pipe, a 1# 90-degree elbow and a hydraulic power generation system are arranged in sequence; the reducing joint is horizontally arranged; a water inlet of the 3# 90-degree elbow is horizontally formed, and a water outlet is vertically formed downwards; a water inlet of the 2# 90-degree elbow is vertically arranged upwards, and a water outlet is horizontally formed; the 3# straight pipe is horizontally arranged; the electromagnetic flow meter is horizontally arranged; the telescopic joint is horizontally arranged; the 2# straight pipe is horizontally arranged; the electric adjusting valve is horizontally arranged; the 1# straight pipe is horizontally arranged; a water inlet of the 1# 90-degree elbow is horizontally formed, and a water outlet is vertically formed downwards; and the hydraulic power generation system is vertically arranged.
Description
Technical field
The present invention relates to a kind of pump test station flow testing device, for the flow rate test of the water pump of manufacturer.
Background technology
In the production of chemical industry and oil sector, pump serves the effect of the pressure flow of conveying liquid and offer chemical reaction, no matter it is aircraft, rocket, tank, submarine or drilling well, mining, train, boats and ships, or daily life, need with pump everywhere, grow on trees pump running, so pump is as universal machine, is the product that in mechanical industry, a class is very main.As all kinds of pump manufacturers, when product export, it is required for doing the test of various corresponding pump performance, wherein relates to the flow rate test of pump.
Delivery-inspection test for pump is that industry is necessary, wherein relate to the test of pump capacity, the pump test station of conventional producer adopts the form of open channel weir notch effusion meter to complete the test of pump capacity, substantially disclosure satisfy that requirement, but it is as the lifting of technical merit and the raising of user's requirement, the particularly formulation of " GB-T3216-2005 rotary motive power pump hydraulic performance proof test 1 grade and 2 grades ", the precision of canal weir notch effusion meter cannot meet the requirement of each side, simultaneously along with the technology of electromagnetic flowmeter is more and more ripe, precision also is able to meet the requirement of GB-T3216 standard simultaneously, manufacturer of today substantially all adopts electromagnetic flowmeter to complete the test job of pump capacity.But the power of test of electromagnetic flowmeter is also restricted, relatively conventional within being typically in DN1400, then the application of bigbore electromagnetic flowmeter no matter from the viewpoint of precision, the later stage is demarcated, cost performance has been not suitable for this low value-added industry of water pump.
Application number be 201220149000.4 Chinese patent disclose a kind of high-pressure pump pressure flow test device, it just has defect as above.
In sum, out-of-date methods measuring accuracy is inadequate, can not meet the requirement of each side, and for water pump industry, the test of big flow can not the bigbore electromagnetic flowmeter of employing simply.
Summary of the invention
It is an object of the invention to overcome above shortcomings in prior art, and the pump test station flow testing device of a kind of reasonable in design is provided, the test job of large, medium and small pump can be covered, save test site, cost is low, simple to operate, and test result meets the requirement of industry standard.
This invention address that the problems referred to above be the technical scheme is that a kind of pump test station flow testing device, it is characterised in that: include mechanism for testing, diversion cans and reducer union；Mechanism for testing includes hydroelectric power system, straight pipeline assembly, degree elbow assembly, electric control valve, telescopic joint and electromagnetic flowmeter；Straight pipeline assembly includes a straight pipeline, No. two straight pipelines and No. three straight pipelines；90 degree of elbow assemblies include 90 degree of elbows, No. two 90 degree of elbows and No. three 90 degree of elbows；Reducer union is horizontally disposed with, and its water inlet is for being connected with the outlet of pump；The water inlet of diversion cans is connected with the outlet of reducer union；The water inlet of No. three 90 degree of elbows is horizontally disposed with, and outlet is arranged straight down, and No. three water inlets of 90 degree of elbows are connected with the outlet of diversion cans；The water inlet of No. two 90 degree of elbows is arranged straight up, and outlet is horizontally disposed with, and the outlet of the water inlet of No. two 90 degree of elbows and No. three 90 degree of elbows connects；No. three straight pipelines are horizontally disposed with, and the outlet of its water inlet and No. two 90 degree of elbows connects；Electromagnetic flowmeter is horizontally disposed with, and the outlet of its water inlet and No. three straight pipelines connects；Telescopic joint is horizontally disposed with, and its water inlet is connected with the outlet of electromagnetic flowmeter；No. two straight pipelines are horizontally disposed with, and its water inlet is connected with the outlet of telescopic joint；Electric control valve is horizontally disposed with, and the outlet of its water inlet and No. two straight pipelines connects；A number straight pipeline is horizontally disposed with, and its water inlet is connected with the outlet of electric control valve；The water inlet of number 90 degree of elbows is horizontally disposed with, and outlet is arranged straight down, and the water inlet of 90 degree of elbows and the outlet of a straight pipeline connect；The outlet of hydroelectric power system and 90 degree of elbows connects, and hydroelectric power system is vertically arranged.
Present invention additionally comprises sliding support, sliding support is connected with straight pipeline assembly.
Present invention additionally comprises fixed support, fixed support is connected with diversion cans.
The outlet of diversion cans of the present invention is three, and described mechanism for testing is three groups, and the water inlet of No. three 90 degree of elbows of three groups of mechanism for testing is connected with three outlets of diversion cans respectively, and the straight pipeline assembly of three groups of mechanism for testing is arranged side by side.
The present invention compared with prior art, has the following advantages and effect: 1, device characteristics of compact layout, attractive in appearance and save space；2, flow rate test scope is wide, and precision meets industry requirement；3 and adopt large-scale electromagnetic flowmeter to contrast, to demarcate easy to maintenance, cost is low；4, in test device, with the addition of hydroelectric power system, effectively reclaimed electric energy, change and produce the embarrassment avoided the peak hour with big pump testing in the past, also save the consumption of electric energy.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram after the embodiment of the present invention is assembled with pump.
Fig. 2 is the side-looking structural representation after the embodiment of the present invention is assembled with pump.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the present invention is described in further detail, and following example are explanation of the invention and the invention is not limited in following example.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention includes mechanism for testing, diversion cans 11, reducer union 12, sliding support 13 and fixed support 14.
Mechanism for testing includes hydroelectric power system 1, straight pipeline assembly, 90 degree of elbow assemblies, electric control valve 4, telescopic joint 6 and electromagnetic flowmeter 7.
Straight pipeline assembly includes 3, No. two straight pipelines 5 of a straight pipeline and No. three straight pipelines 8.
90 degree of elbow assemblies include 2, No. two 90 degree of elbows of 90 degree of elbows 9 and No. three 90 degree of elbows 10.
2, straight pipeline 3 of number 90 degree of elbows, 4, No. two straight pipelines 5 of electric control valve, telescopic joint 6,7, No. three straight pipelines of electromagnetic flowmeter, 9, No. three 90 degree of elbows 10 of 8, No. two 90 degree of elbows, diversion cans 11, these parts of reducer union 12 are equipped with outlet and water inlet.
Reducer union 12 is horizontally disposed with, and its water inlet is for being connected with the outlet of the pump 15 of test.
The water inlet of diversion cans 11 is connected with the outlet of reducer union 12.Diversion cans 11 have employed the principle broken the whole up into parts, and has saved test site, reduces the civil engineering cost of experimental station, and diversion cans 11 can adopt one-in-and-two-out, one enters three to go out, one enter four to go out, two enter three and the principle broken the whole up into parts such as go out.
The water inlet of No. three 90 degree of elbows 10 is horizontally disposed with, and outlet is arranged straight down.The water inlet of No. three 90 degree of elbows 10 is connected with the outlet of diversion cans 11.
The water inlet of No. two 90 degree of elbows 9 is arranged straight up, and outlet is horizontally disposed with.The outlet of the water inlet of No. two 90 degree of elbows 9 and No. three 90 degree of elbows 10 connects.
2, No. two 90 degree of elbows of number 90 degree of elbows 9 and No. three 90 degree of elbows 10 reach the effect so that straight pipeline assembly sinks, and meet the installation requirement of electromagnetic flowmeter.
No. three straight pipelines 8 are horizontally disposed with, and the outlet of its water inlet and No. two 90 degree of elbows 9 connects.
Electromagnetic flowmeter 7 is horizontally disposed with, and the outlet of its water inlet and No. three straight pipelines 8 connects.
Telescopic joint 6 is horizontally disposed with, and its water inlet is connected with the outlet of electromagnetic flowmeter 7.The dismounting maintenance of telescopic joint 6 convenient electromagnetic effusion meter 7.
No. two straight pipelines 5 are horizontally disposed with, and its water inlet is connected with the outlet of telescopic joint 6.
Electric control valve 4 is horizontally disposed with, and the outlet of its water inlet and No. two straight pipelines 5 connects.
A number straight pipeline 3 is horizontally disposed with, and its water inlet is connected with the outlet of electric control valve 4.
The water inlet of number 90 degree of elbows 2 is horizontally disposed with, and outlet is arranged straight down.The water inlet of number 90 degree of elbows 2 and the outlet of a straight pipeline 3 connect.Number 90 degree of elbows 2 make the dirty back pool of current direction.
The outlet of the water inlet of hydroelectric power system 1 and 90 degree of elbows 2 connects.Hydroelectric power system 1 is vertically arranged.
The outlet of diversion cans 11 is three, and mechanism for testing is three groups, and the water inlet of No. three 90 degree of elbows 10 of three groups of mechanism for testing is connected with three outlets of diversion cans 11 respectively, and the straight pipeline assembly of three groups of mechanism for testing is arranged side by side.Three electromagnetic flowmeters and three groups of straight pipeline assemblies being arranged in juxtaposition, can meet test request, power of test can amplify 3 times again, and can guarantee that required precision.
Sliding support 13 is connected with straight pipeline assembly, and sliding support 13 is installed on the ground, is used for supporting straight pipeline assembly.
Fixed support 14 is connected with diversion cans 11, and fixed support 14 is installed on the ground, is used for supporting diversion cans 11.
Contact method between above-mentioned each parts can adopt threaded or welding.
Hydroelectric power system 1 is standard complexes, and major function is to reclaim the mechanical energy in fluid, is converted into electric energy, it is to avoid need to produce the electricity needs avoided the peak hour with other when producer carries out high-power test awkward.Hydroelectric power system 1 changes the test method of conventional extensive style, changes traditional mode of production and big pump testing is avoided the peak hour the embarrassment carried out, saved substantial amounts of power consumption for enterprise.
Straight pipeline assembly (3, No. two straight pipelines 5 of a straight pipeline and No. three straight pipelines 8) horizontal syllogic is arranged, is the requirement in order to meet electromagnetic flowmeter 7 measuring accuracy；Straight pipeline assembly sunk type arranges (realizing by 2, No. two 90 degree of elbows of 90 degree of elbows 9 and No. three 90 degree of elbows 10), having two effects, one is the duty requirement meeting electromagnetic flowmeter 7, and two is using underground space, save test site, on-the-spot neat and artistic effect；Electric control valve 4 and telescopic joint 6 are horizontally set on straight pipeline, it is simple to installation and maintenance and control；Hydroelectric power system 1 is connected with the outlet of 90 degree of elbows 2, there are two effects: one is that hydroelectric power system 1 is vertically arranged, the propulsive thrust of big flow water outlet can be cut down, play a dynamic balance effect, two is that hydroelectric power system 1 is connected with the outlet of 90 degree of elbows 2, while mechanical energy in reclaiming fluid, system test precision will not be had undesirable effect.
The present invention is arranged in civil engineering, using the fixation measuring pipeline as experimental station, no longer frequently dismounts.During test, pump 15 absorbs water from pond, and current flow back to pond after the present invention, and arrival recycles.
With 3 DN1400(DN1400 model being electromagnetic flowmeter 7) measurement pipeline be that typical embodiment illustrates, this examples measure scope 100m3/ h～249000m3/ h, optimum measurement scope 5500m3/ h～120000m3/ h, straight pipeline assembly occupied ground length can be controlled within the scope of 14 meters (note: scope 160m tested by single DN24000 electromagnetic flowmeter 73/ h～240000m3/ h, straight pipeline assembly occupied ground length need 24 meters, not only the far super DN1400 electromagnetic flowmeter of equipment unit price with cannot demarcate, and place demand is big more than 1 times).
During the test of traditional experiment station, not accounting for the measure of energy regenerating in system, for the drive motor of rated output 4500kW, test 1 hour and just expend 4500 degree of electric energy, except heating dissipates, major part is changed into the kinetic energy of water and consumes in pond.Adopt described hydroelectric power system 1, consider hydraulic loss, heating, transformation efficiency and device efficiency, energy recovery rate can reach more than 0.3～0.5,4500 degree of electric energy rough estimate can reuse more than 1200～2000 degree, economic benefit is clearly, other productions during big pump testing can also be made up because time the embarrassment, particularly production task of short of electricity stopping production are heavy simultaneously, then also without the operation of avoiding the peak hour that consideration produces and tests especially.
Being hoisted on test bench location by the pump 15 of test by heavy duty crane, the outlet of test pump 15 is bolted by the flange face of pipeline Yu described reducer union 12 water inlet, then fixation test pump 15 and pump discharge pipeline.Then according to the regulation of " GB-T3216-2005 rotary motive power pump hydraulic performance proof test 1 grade and 2 grades " carries out the performance test of water pump.
The basic parameter of current mammoth pump approximately as:
The axial-flow pump of DN1600, maximum stream flow 36000m3The motor of/h, 4000kW；
The axial-flow pump of DN2000, maximum stream flow 56000m3The motor of/h, 4500kW；
The axial-flow pump of DN3000, maximum stream flow 90000m3The motor of/h, 5000kW；
The axial-flow pump of DN3500, maximum stream flow 150000m3The motor of/h, 7500kW；(largest domestic).
Above flow can complete substantially in this present invention, and reaches standard-required, and electric energy reclaims also considerable, can save substantial amounts of power consumption for enterprise.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named title etc. can be different, and the above content described in this specification is only to present configuration example explanation.
Claims (4)
1. a pump test station flow testing device, it is characterised in that: include mechanism for testing, diversion cans and reducer union；Mechanism for testing includes hydroelectric power system, straight pipeline assembly, degree elbow assembly, electric control valve, telescopic joint and electromagnetic flowmeter；Straight pipeline assembly includes a straight pipeline, No. two straight pipelines and No. three straight pipelines；90 degree of elbow assemblies include 90 degree of elbows, No. two 90 degree of elbows and No. three 90 degree of elbows；Reducer union is horizontally disposed with, and its water inlet is for being connected with the outlet of pump；The water inlet of diversion cans is connected with the outlet of reducer union；The water inlet of No. three 90 degree of elbows is horizontally disposed with, and outlet is arranged straight down, and No. three water inlets of 90 degree of elbows are connected with the outlet of diversion cans；The water inlet of No. two 90 degree of elbows is arranged straight up, and outlet is horizontally disposed with, and the outlet of the water inlet of No. two 90 degree of elbows and No. three 90 degree of elbows connects；No. three straight pipelines are horizontally disposed with, and the outlet of its water inlet and No. two 90 degree of elbows connects；Electromagnetic flowmeter is horizontally disposed with, and the outlet of its water inlet and No. three straight pipelines connects；Telescopic joint is horizontally disposed with, and its water inlet is connected with the outlet of electromagnetic flowmeter；No. two straight pipelines are horizontally disposed with, and its water inlet is connected with the outlet of telescopic joint；Electric control valve is horizontally disposed with, and the outlet of its water inlet and No. two straight pipelines connects；A number straight pipeline is horizontally disposed with, and its water inlet is connected with the outlet of electric control valve；The water inlet of number 90 degree of elbows is horizontally disposed with, and outlet is arranged straight down, and the water inlet of 90 degree of elbows and the outlet of a straight pipeline connect；The outlet of hydroelectric power system and 90 degree of elbows connects, and hydroelectric power system is vertically arranged.
2. pump test station according to claim 1 flow testing device, it is characterised in that: also including sliding support, sliding support is connected with straight pipeline assembly.
3. pump test station according to claim 1 flow testing device, it is characterised in that: also including fixed support, fixed support is connected with diversion cans.
4. pump test station according to claim 1 flow testing device, it is characterized in that: the outlet of described diversion cans is three, described mechanism for testing is three groups, the water inlet of No. three 90 degree of elbows of three groups of mechanism for testing is connected with three outlets of diversion cans respectively, and the straight pipeline assembly of three groups of mechanism for testing is arranged side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610249811.4A CN105781959A (en) | 2016-04-20 | 2016-04-20 | Flow testing device of water pump experimental station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610249811.4A CN105781959A (en) | 2016-04-20 | 2016-04-20 | Flow testing device of water pump experimental station |
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| Publication Number | Publication Date |
|---|---|
| CN105781959A true CN105781959A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610249811.4A Pending CN105781959A (en) | 2016-04-20 | 2016-04-20 | Flow testing device of water pump experimental station |
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| Country | Link |
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| CN (1) | CN105781959A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465689A (en) * | 2021-07-05 | 2021-10-01 | 承德石油高等专科学校 | Self-generating flowmeter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0612401B1 (en) * | 1991-10-09 | 1997-07-09 | South West Water Services Limited | Pump testing |
| CN101021197A (en) * | 2006-11-22 | 2007-08-22 | 王岗 | Blast furnace cooling water backwater top pressure power generation |
| CN202579143U (en) * | 2012-04-10 | 2012-12-05 | 叶集试验区红太阳动力机械有限公司 | Pressure and flow testing device of high-pressure pump |
| CN203175831U (en) * | 2013-04-02 | 2013-09-04 | 山东省农业机械科学研究所 | Economic water pump test fixing pipe |
| CN205714708U (en) * | 2016-04-20 | 2016-11-23 | 中国联合工程公司 | Pump test station flow testing device |
-
2016
- 2016-04-20 CN CN201610249811.4A patent/CN105781959A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0612401B1 (en) * | 1991-10-09 | 1997-07-09 | South West Water Services Limited | Pump testing |
| CN101021197A (en) * | 2006-11-22 | 2007-08-22 | 王岗 | Blast furnace cooling water backwater top pressure power generation |
| CN202579143U (en) * | 2012-04-10 | 2012-12-05 | 叶集试验区红太阳动力机械有限公司 | Pressure and flow testing device of high-pressure pump |
| CN203175831U (en) * | 2013-04-02 | 2013-09-04 | 山东省农业机械科学研究所 | Economic water pump test fixing pipe |
| CN205714708U (en) * | 2016-04-20 | 2016-11-23 | 中国联合工程公司 | Pump test station flow testing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465689A (en) * | 2021-07-05 | 2021-10-01 | 承德石油高等专科学校 | Self-generating flowmeter |
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Address after: The city of Hangzhou city of Zhejiang Province, 310022 Stonebridge Road No. 338 Applicant after: United Engineers Ltd in China Address before: The city of Hangzhou city of Zhejiang Province, 310022 Stonebridge Road No. 338 Applicant before: China Lianhe Engineering Co., Ltd., China |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160720 |