CN106545717B - A kind of multi-channel fluid distribution reactor - Google Patents
A kind of multi-channel fluid distribution reactor Download PDFInfo
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- CN106545717B CN106545717B CN201611090883.5A CN201611090883A CN106545717B CN 106545717 B CN106545717 B CN 106545717B CN 201611090883 A CN201611090883 A CN 201611090883A CN 106545717 B CN106545717 B CN 106545717B
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- channel
- fluid
- branch
- main line
- pressure sensor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/20—Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Volume Flow (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of multi-channel fluids to distribute reactor,It mainly includes main line channel and multiple first branch channels,The first branch one end of the channel is first fluid entrance,The first branch channel other end is first fluid outlet,The first fluid entrance is connect with main line channel,Damping element and pressure sensor are sequentially installed on the first branch channel,The damping element is between first fluid entrance and pressure sensor,Further include and multiple first branch channels multiple second branch channels correspondingly,The second branch channel includes exporting with the second fluid entrance of extraneous load connection and second fluid,Damping regulating valve is provided between the second fluid entrance and second fluid outlet,The present invention can largely test stream of fluid accurate being assigned in transmission channel,Realize the synchronous adjustment shunted with pressure,Identical gas composition and fluid flow are provided for each test sample,It can be widely applied to multiple channel test system.
Description
Technical field
The present invention relates to a kind of fluid distributing apparatus, in particular to a kind of multi-channel fluid distributes reactor.
Background technique
In the production and test in the fields such as chemical industry, petroleum and nuclear energy, it is often necessary to a fluid is subjected to multichannel shunting,
To compare several or even dozens of technique or test simultaneously.The existing method master that test and comparison is carried out to high-volume sample
Will there are two types of：One of them is all to be equipped with fluid source of the same race for every test pipeline；Another way is to provide a gas
Source, then shunted with pipeline.But obviously all there is larger defect in both methods, though the former can guarantee fluid flow phase
Together, but the method is not suitable for high-volume, large-scale production test；The shunt method of the latter, although can ensure that fluid composition phase
Together, but due to the difference of test sample and transmission channel, there is larger difference, serious shadow in the conditions such as resistance, pressure, temperature
Its shunting effect is rung, to influence production and test process.There are also the methods for capableing of accurate control of fluid flow at present, lead to
It is often to be monitored on-line using flowmeter, but the price of flowmeter is more expensive, use cost is high, is not suitable for big
The synchronism detection of batch.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of a large amount of test transmission that is assigned to that stream of fluid is accurate to lead to
In road, a kind of multi-channel fluid for providing same fluid flow and pressure for each test sample distributes reactor.
The technical solution adopted by the present invention to solve the technical problems is：Including main line channel and multiple first branchs
Channel, the first branch one end of the channel are first fluid entrance, and the first branch channel other end is first fluid outlet, described
First fluid entrance is connect with main line channel, is sequentially installed with damping element and pressure sensor on the first branch channel,
The damping element is between first fluid entrance and pressure sensor, and the first fluid outlet with external world's load for connecting
Connect, further include with multiple first branch channels multiple second branch channels correspondingly, the second branch channel include with
The second fluid entrance of external world's load connection and second fluid outlet, set between the second fluid entrance and second fluid outlet
It is equipped with damping regulating valve.
It is further：It further include the PID controller being connect with pressure sensor and damping regulating valve.
It is further：It further include the second mass flowmenter being arranged on the channel of main line.
It is further：The main line channel and first branch channel are an integral structure, and further include that setting is logical on main line
For connecting the flowmeter interface of main line mass flowmenter and being arranged on first branch channel for connecting pressure sensing on road
The pressure sensor interface of device.
The beneficial effects of the invention are as follows：(1) it shunts transmission pipeline to limit without number, can once carry out the sieve of batch samples
Choosing；
(2) measurement atmosphere comes from same source, has good comparability；
(3) there is very strong adaptability.In controllable range, the effect of shunting is not by individual sample and test runner resistance
The influence of the factors difference such as power, pressure, temperature；
(4) it shunts and is synchronously completed with the pressure adjusting in TCH test channel, structure is simple；
(5) it does not need each channel and all uses the regulating members such as expensive flowmeter, reduce costs；
Detailed description of the invention
Fig. 1 is that multi-channel fluid distributes principle of peactor figure.
Fig. 2 is the schematic diagram of one embodiment.
Fig. 3 is the schematic diagram of another embodiment.
Fig. 4 is diverter module schematic diagram.
In figure label for：Main line channel 1, first branch channel 2, damping element 3, pressure sensor 4, second branch channel
5, regulating valve 6, PID controller 8, three-way interface 10, the first capillary 11, the second capillary 12, first pressure gauge 13, the are damped
Two pressure gauges 14, the first loading interfaces 15, the second loading interfaces 16, third loading interfaces 17, the 4th the 18, first essence of loading interfaces
The accurate needle-valve 20 of close needle-valve 19, second, the first mass flowmenter 21, the second mass flowmenter 22, flowmeter interface 23, pressure pass
Sensor interface 24.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
A kind of multi-channel fluid as shown in Figure 1 distributes reactor, including main line channel 1 and multiple first branchs are led to
Road 2, described 2 one end of first branch channel are first fluid entrance, and 2 other end of first branch channel is first fluid outlet, institute
It states first fluid entrance to connect with main line channel 1, damping element 3 is sequentially installed on the first branch channel 2 and pressure passes
Sensor 4, the damping element 3 between first fluid entrance and pressure sensor, first fluid outlet for it is outer
Boundary's load connects, and further includes and the one-to-one multiple second branch channels 5 in multiple first branch channels 2, the second branch
Channel 5 includes exporting with the second fluid entrance of extraneous load connection and second fluid, the second fluid entrance and second
Body is provided with damping regulating valve between outlet；
When operating, different external loads is respectively connected between first fluid outlet and second fluid entrance, is passed through
Fluid flows through external load, to realize the test to external load, in test, fluid flows to more respectively from main line channel 1
A first branch channel 2 flows separately through identical damping element 3 and pressure sensor 4 and from first in first branch channel 2
Fluid outlet outflow carries out test by external load and subsequently enters second branch channel 5, flows through damping regulating valve 6 from second
Fluid outlet outflow, since fluid is assigned from same main line into different branch；
The present invention provides identical resistance in the external load front end of each branch, since fluid comes from same source,
Therefore the pressure at shunting is identical, when the numerical value that the pressure sensor 4 in each first branch channel 2 is shown is identical, illustrates each
Pressure difference between 2 head of first branch channel and tail portion is identical, and each first branch channel 2 uses identical damping member in addition
Part 3, therefore each 2 head of first branch channel and the resistance between tail portion are also identical, so as to indicate to flow through each first branch
The fluid flow in channel 2 is identical, and due to the difference of external load, the conditions such as resistance, pressure, temperature have larger difference,
The fluid flow flowed through can be had an impact, therefore can guarantee the pressure phase of external load front end by adjusting damping regulating valve 6
Meanwhile the numerical value that shows of pressure sensor 4 in that is, each first branch channel 2 it is all the same when, it is ensured that flowing through external load
Test sample flow is identical, can so accomplish accurately to test.
In addition, further including the PID controller 8 being connect with pressure sensor 4 and damping regulating valve 6, the PID controller 8
It is separately connected the pressure sensor 4 and damping regulating valve 6 in each first branch channel 2 and second branch channel 5, the PID control
Device 8 is general purpose controller in the market, and the desired value P0 of pressure sensor 4 is first arranged first, if actual value is different from P0 value,
PID controller 8 controls corresponding damping regulating valve 6 and is adjusted, such as：If the actual value of pressure sensor 4 is greater than P0, increase
The aperture of regulating valve 6 is damped, if the actual value of pressure sensor 4 is less than P0, reduces the aperture of damping regulating valve 6, thus real
Now automation is accurate to be shunted.
In addition, further including the main line mass flowmenter being arranged on main line channel 1, the setting of the main line mass flowmenter
It can facilitate and control is carried out to the total flow on main line.
In addition, the main line channel 1 and first branch channel 2 are an integral structure, it further include being arranged on main line channel 1
For connecting the flowmeter interface 23 of main line mass flowmenter and being arranged on first branch channel 2 for connecting pressure sensor
4 pressure sensor interface 24 is being tested since the damping element 3 on each first branch channel 2 is both needed to identical
Before need to do a large amount of previous work, therefore this module does shunting, damping and each connecting interface on one module, greatly
Space of components is reduced, and each split channel is identical, the debugging for carrying out damping element 3 is no longer needed to before use, saves the time,
And the setting of each interface also facilitates patching for exterior part.
The present invention provides following embodiment：
Embodiment 1：
Separate system is built by the standard component that market can purchase in the present embodiment, process is as shown in Fig. 2, include one
A main line channel 1 and 2 first branch channels 2 connected by three-way interface 10 are arranged on one first branch channel 2
There are the first capillary 11 and first pressure gauge 13 and first loading interfaces 15 in exit, another described first branch are set
It is provided with the second capillary 12 and second pressure gauge 14 on channel 2 and second loading interfaces 16 in exit are set, further includes
With the one-to-one multiple second branch channels 5 in multiple first branch channels 2, successively set on one second branch channel 5
The accurate needle-valve 19 of third loading interfaces 17, first and the first mass flowmenter 21 are equipped with, on another described second branch channel 5
It is disposed with the 4th the 18, second accurate needle-valve 20 of loading interfaces and the second mass flowmenter 22, the described first accurate needle-valve 19
Play a part of to adjust resistance with the second accurate needle-valve 20；
Working principle according to the present invention will realize accurate shunting, it is necessary to ensure that 3 resistance of damping element is identical.First
We intercept two sections of metal capillaries of specification (internal diameter 0.3mm) (being 10cm) identical with length, and material is
SUS304 stainless steel.Then, by two capillary one end (output end) and atmosphere, other end (input terminal) connects flow
For the nitrogen of 2L/min, the pressure difference of input terminal and output end is recorded by high-precision pressure sensor 4.When the complete phase of pressure difference
When with (about 8kPa), then show that this two sections of capillaries can be used as identical damping.Otherwise it is desirable to carefully tune capillary
Length or rest and reorganization capillary passage, until required pressure difference is identical；
External loading (2 fuel cell reactors) is coupled with the first loading interfaces 15 by ferrule fitting using preceding
Between third loading interfaces 17, between the second loading interfaces 16 and the 4th loading interfaces 18, input about 4L/min's from branch
Nitrogen.Due to external loading difference, first pressure gauge 13 and second pressure gauge 14 be initially shown as 5kPa and 13kPa, shows the
Tributary resistance is greater than the second tunnel tributary resistance all the way, adjusts the first accurate needle-valve 19 at this time, increases its aperture, until the first pressure
Power table 13 is identical with the indicating value of second pressure gauge 14, that is, shows that the flow of two-way fluid inflow external loading is identical,
Precision measurement can be carried out to flow at this time.
By the first mass flowmenter 21 and the second mass flowmenter 22 it can be observed that first via tributary and the second tunnel branch
The situation of change for flowing flow, when first pressure gauge 13 is identical with the value of second pressure gauge 14, the first mass flowmenter 21 and the
The registration of two mass flowmenters 22 is essentially identical, thus know to control flow by holding pressure size, thus
The use of the first mass flowmenter 21 and the second mass flowmenter 22 can be reduced, to reduce the cost of flow distributor.
Embodiment 2：
As shown in figure 3, on the basis of embodiment 1, by first pressure sensor 4, first accurate needle-valve 19, second pressure
Sensor 4 and the second accurate needle-valve 20 are connected with PID controller 8, first setting first pressure gauge 13 and second pressure gauge 14
Desired value P0 reduce the aperture of the first accurate needle-valve 19 and the second accurate needle-valve 20, if actual value if actual value is less than P0
Greater than P0, then increase the aperture of the first accurate needle-valve 19 and the second accurate needle-valve 20, so that the registration of first pressure gauge 13
It is equal with the registration of second pressure gauge 14, it is shunted to realize that automation is accurate.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (4)
1. a kind of multi-channel fluid distributes reactor, it is characterised in that：It is logical including main line channel (1) and multiple first branchs
Road (2), described first branch channel (2) one end are first fluid entrance, and first branch channel (2) other end goes out for first fluid
Mouthful, the first fluid entrance is connect with main line channel (1), is sequentially installed with damping element on the first branch channel (2)
(3) and pressure sensor (4) damping element (3) resistance, on the multiple first branch channel (2) is identical, the resistance
Between first fluid entrance and pressure sensor, the first fluid outlet connects Buddhist nun's element (3) for loading with the external world,
Further include and the one-to-one multiple second branch channels (5) of multiple first branch channels (2), the second branch channel (5)
It is exported including the second fluid entrance and second fluid with extraneous load connection, the second fluid entrance and second fluid outlet
Between be provided with damping regulating valve (6).
2. a kind of multi-channel fluid as described in claim 1 distributes reactor, it is characterised in that：Further include and pressure sensor
(4) and damping regulating valve (6) connection PID controller (8).
3. a kind of multi-channel fluid as described in claim 1 distributes reactor, it is characterised in that：It further include that setting is logical on main line
Main line mass flowmenter on road (1).
4. a kind of multi-channel fluid as claimed in claim 3 distributes reactor, it is characterised in that：The main line channel (1) and
First branch channel (2) is an integral structure, and further includes being arranged on main line channel (1) for connecting main line mass flowmenter
Flowmeter interface (23) and setting are used to connect the pressure sensor interface of pressure sensor (4) on first branch channel (2)
(24)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611090883.5A CN106545717B (en) | 2016-12-01 | 2016-12-01 | A kind of multi-channel fluid distribution reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611090883.5A CN106545717B (en) | 2016-12-01 | 2016-12-01 | A kind of multi-channel fluid distribution reactor |
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| Publication Number | Publication Date |
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| CN106545717A CN106545717A (en) | 2017-03-29 |
| CN106545717B true CN106545717B (en) | 2018-11-16 |
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| CN201611090883.5A Active CN106545717B (en) | 2016-12-01 | 2016-12-01 | A kind of multi-channel fluid distribution reactor |
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| CN109954306A (en) * | 2017-12-14 | 2019-07-02 | 中国石油化工股份有限公司 | A kind of filter membrane package system and method for self-cleaning |
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| CN100337354C (en) * | 2002-12-09 | 2007-09-12 | 亚太燃料电池科技股份有限公司 | Function test and display set for fuel cell power supply device |
| JP4354253B2 (en) * | 2003-10-31 | 2009-10-28 | エスペック株式会社 | Fuel cell evaluation method and fuel cell evaluation apparatus |
| CN101373208B (en) * | 2007-08-24 | 2012-03-21 | 同济大学 | Fuel cell tester |
| CN202534737U (en) * | 2011-12-08 | 2012-11-14 | 新源动力股份有限公司 | Calibration device of distributing pipeline of multi-galvanic-pile fuel battery system |
| CN104166100A (en) * | 2014-06-16 | 2014-11-26 | 弗尔赛（上海）能源科技有限公司 | Gas supply system of fuel cell testboard |
| CN206268681U (en) * | 2016-12-01 | 2017-06-20 | 苏州阿洛斯环境发生器有限公司 | A kind of multi-channel fluid distributes reactor |
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