CN207838735U - A kind of more liquid on-line high-precision hybrid systems - Google Patents
A kind of more liquid on-line high-precision hybrid systems Download PDFInfo
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- CN207838735U CN207838735U CN201721867272.7U CN201721867272U CN207838735U CN 207838735 U CN207838735 U CN 207838735U CN 201721867272 U CN201721867272 U CN 201721867272U CN 207838735 U CN207838735 U CN 207838735U
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- 238000002156 mixing Methods 0.000 claims abstract description 29
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Abstract
The utility model discloses a kind of more liquid on-line high-precision hybrid systems,By controller,Mixing vessel and multiple liquid output units composition,Each liquid output unit includes at least fluid supply and conveying main line,And the head end of the conveying main line is connected with fluid supply,The end of the conveying main line of each liquid output unit is divided into output pipe and reflux bypasses,The end of the output pipe is connected with the mixing vessel,And in the conveying main line of each liquid output unit,Flow detector there are one at least containing in output pipe and reflux bypass,A reflux ratio adjusting valve is at least equipped in reflux bypass,And the signal output end of the flow detector is connected with the signal input part of the controller,The signal output end of the controller is connected with the signal input part of the reflux ratio adjusting valve.The utility model can realize that the online high-precision of plurality of liquid mixes, compact-sized, it is easy to accomplish, it is applied widely.
Description
Technical field
The utility model is to be related to a kind of proporting system of more liquid, is to be related to a kind of more liquid on-lines specifically
High-precision hybrid system.
Background technology
As fire protection industry gradually develops, the foam solution type for adapting to A classes and B class fire is more and more.In use, foam
Liquid and water mix according to a certain percentage, and sucking air forms foam while foam monitor or foam gun spray, and is ejected into
Comburant forms coating behind surface, to reach fire extinguishing purpose.Foam proportioner is froth fire extinguishing system " in nerve
The quality of pivot ", working performance is directly related to the success or failure that froth fire extinguishing system fights a fire.In addition, in oil refining, chemical industry, system
In the industries such as medicine, beverage, plurality of liquid mixing is also essential program, and is also highly important in its production process
Component part, proportioning is accurate, control is reliably the production requirement that must reach.
The report of the existing control method and systems technology that ratio mixing is carried out to plurality of liquid in the prior art, such as：
A kind of proporting system is provided in Chinese patent application CN201380010494.5, the proporting system be by main liquid and
The system mixed from liquid according to predetermined blending ratio, the main liquid are transported to from main solution pump via main hydraulic pipe road
Mixer, it is described from liquid since liquid pump is transported to the main hydraulic pipe road simultaneously via the slave liquid pipeline being connect with the main hydraulic pipe road
It is added in the main liquid, although the utility model can identify and recall by using main liquid and from the flow integration of liquid
While the error calculated with going, the blending ratio of main liquid and the flow from liquid can be remained as the scheduled of target
Blending ratio realizes the online ratio mixing of plurality of liquid, but due to the main liquid and from liquid is conveyed by pump
And adjusting, when the conveying capacity of liquid delivery pump is more more than mixed traffic, when less due to flow demand, transfer pipeline
Pressure can increase, and release partial discharge is opened to reach balance so as to cause relief valve, and relief valve is only capable of that pressure is made to be adjusted
It is whole, flow can not be made to obtain an equilibrium value, cause the mixed-precision of this system to be difficult to ensure, especially match ratio
When large change, for wherein flow from the liquid to become smaller greatly, the phenomenon is more obvious；Especially to some slow-speed of revolution, it is interior let out it is larger
Pump, in changes in flow rate wide range, blending ratio precision can not ensure at all.
In general, it is controlled using single channel, i.e.,：The mode of flow is controlled only on transfer pipeline, there is modification scopes
Deficiency, the limited disadvantage of precision improvement.
Utility model content
In view of the above problems existing in the prior art, the purpose of the utility model is to provide a kind of more liquid on-line high-precisions
Hybrid system, to realize that the online high-precision of plurality of liquid mixes.
To achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of more liquid on-line high-precision hybrid systems are made of controller, mixing vessel and multiple liquid output units,
Each liquid output unit includes at least fluid supply and conveying main line, and the head end and fluid supply phase of the conveying main line
The end of connection, the conveying main line of each liquid output unit is divided into output pipe and reflux bypasses, the output pipe
End be connected with the mixing vessel, and by the conveying main line, output pipe and reflux of each liquid output unit
Flow detector there are one at least containing in road is at least equipped with a reflux ratio adjusting valve, Yi Jisuo in reflux bypass
The signal output end for stating flow detector is connected with the signal input part of the controller, the signal output of the controller
The signal input part with the reflux ratio adjusting valve is held to be connected.
A kind of embodiment, containing only there are one flow detectors in each liquid output unit, and the flow is examined
Survey device is fluid flowmeter, is mounted in output pipe.
Another embodiment contains 2 flow detectors, and the flow detection in each liquid output unit
Device is fluid flowmeter, is separately mounted on conveying main line and reflux bypass.
The conveying power of the fluid supply can be pump power or high-order pressure difference.
The output end of the reflux bypass is preferably connected with corresponding liquid supply container, but can also with it is one independent
Liquid storage container is connected.
A kind of preferred embodiment is equipped with an export ratio regulating valve, and the export ratio simultaneously on the output pipe
The signal input part of regulating valve is also connected with the signal output end of the controller.
A kind of optimal case, a kind of more liquid on-line high-precision hybrid systems described in the utility model, be by controller,
Mixing vessel and multiple liquid output units composition, each liquid output unit include liquid storage container, liquid delivery pump
It is connected with the delivery outlet of liquid delivery pump with the head end of conveying main line, the conveying main line, the conveying main line
End is divided into output pipe and reflux bypasses, and the end of the output pipe is connected with the mixing vessel, in the output
The end of pipeline is equipped with fluid flowmeter, export ratio regulating valve is equipped in the front end of the fluid flowmeter, in the reflux
Bypass is equipped with reflux ratio adjusting valve, also, the signal output end of the fluid flowmeter and the signal of the controller are defeated
Enter end to be connected, the signal output end of the controller and the signal of the reflux ratio adjusting valve and export ratio regulating valve are defeated
Enter end to be respectively connected with.
Compared to the prior art, the advantageous effects of the utility model are：
The utility model is added reflux by the end of the conveying main line in each liquid output unit and is bypassed, and
Setting reflux ratio adjusting valve, not only realizes and the pressure energy for conveying main line is adjusted, while can also in reflux bypass
It realizes and the flow for conveying main line is adjusted, both ensure that each liquid stablizes output, and the flow of each liquid is adjustable
Adjusting range is big, and quick response can be made to the variation of flow so that each liquid can be stablized by preset flow to be exported, to ensure that
Each liquid can be mixed by scheduled mixed proportion；Especially, fluid flowmeter is set in the end of output pipe when simultaneously,
When export ratio regulating valve is arranged in the front end of the fluid flowmeter, the real-time defeated of each liquid acquired can further improve
The precision of outflow also can further improve the precision of the mixed proportion between each liquid；Also, it is described in the utility model mixed
Collaboration system also has compact-sized, it is easy to accomplish the advantages that, the online high-precision mixing that can meet plurality of liquid requires, and is applicable in model
It encloses extensively, there is apparent progressive and practicability.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for more liquid on-line high-precision hybrid systems that the utility model embodiment 1 provides；
Fig. 2 is the attachment structure schematic diagram of controller described in the utility model embodiment 1；
Fig. 3 is a kind of structural schematic diagram for more liquid on-line high-precision hybrid systems that the utility model embodiment 2 provides；
Fig. 4 is the attachment structure schematic diagram of controller described in the utility model embodiment 2.
Figure label is schematically as follows：1, controller；2, mixing vessel；3, liquid output unit；31, fluid supply；311, liquid
Body storage container；312, liquid delivery pump；313, intake line；32, main line is conveyed；33, output pipe；34, reflux bypass；
35, fluid flowmeter；36, flow back ratio adjusting valve；37, export ratio regulating valve.
Specific implementation mode
The technical solution of the utility model is described in further detail below in conjunction with drawings and examples.
Embodiment 1
It refers to shown in Fig. 1 and Fig. 2：A kind of more liquid on-line high-precision hybrid systems provided in this embodiment, are by controlling
Device 1, mixing vessel 2 and multiple liquid output units 3 processed (in the present embodiment by taking 2 liquid output units 3 as an example, but are not limited to 2
A, the class of liquids that particular number mixes as needed determines, each liquid to be mixed corresponds to 1 liquid output unit) group
At each liquid output unit 3 includes fluid supply 31 and conveying main line 32, and the fluid supply 31 described in the present embodiment includes
Liquid storage container 311 and liquid delivery pump 312, the liquid storage container 311 pass through intake line 313 and liquid delivery pump
312 are connected, and the output end of the liquid delivery pump 312 is connected with the head end of the conveying main line 32, in the conveying
The end of main line 32 is divided into output pipe 33 and reflux bypass 34, the end of the output pipe 33 and the mixing vessel
2 are connected, and a fluid flowmeter 35 is equipped on output pipe 33, and a reflux ratio adjusting valve is equipped in reflux bypass 34
36, and the signal output end of the fluid flowmeter 35 is connected with the signal input part of the controller 1, the controller
1 signal output end is connected with the signal input part of the reflux ratio adjusting valve 36.
The course of work of more liquid on-line high-precision hybrid systems provided in this embodiment includes the following steps：
S1) start the conveying of each liquid to be mixed (i.e.：Start each liquid delivery pump 312), and open each liquid output
Reflux ratio adjusting valve 36 in unit 3 is to default aperture (the default aperture between 0 to 100%, to be opened between maximum
Between the 30%~60% of degree preferably)；
S2) first obtain each liquid according to the fluid flowmeter 35 in each liquid output unit 3 is transported to mixing to controller 1
The real-time flow data of container 2, and judge that whether each liquid is transported to the real-time flow data of mixing vessel 2 in preset flow range
In (floating up and down to obtain by required mixed-precision with theoretical delivery value), if the determination result is YES, flow-rate adjustment processing wouldn't be done,
If judging result is no, then judges that real-time flow data is greater than and is also less than preset flow, if judging result is greater than, controller
1 increases the aperture for controlling reflux ratio adjusting valve 36 corresponding to the liquid, if conversely, judging result is less than, controller 1
By control corresponding to the liquid reflux ratio adjusting valve 36 aperture reduce；
S3) when pass through step S2) flow-rate adjustment handle so that each liquid real-time flow data in preset flow model
When enclosing interior, controller 1 calculates the ratio of the real-time traffic between liquid to be mixed according to scheduled compound target again, and with it is predetermined
Mixed proportion value carry out size comparison, if comparison result is greater than, controller 1 by control positioned at ratio molecule liquid institute
The aperture of corresponding reflux ratio adjusting valve 36 increases or/and control is located at the reflux ratio tune corresponding to the liquid of ratio denominator
The aperture for saving valve 36 reduces, if conversely, comparison result is less than, controller 1 is right positioned at the liquid institute of ratio molecule by control
The aperture for the reflux ratio adjusting valve 36 answered reduces or/and control is located at the reflux proportion adjustment corresponding to the liquid of ratio denominator
The aperture of valve 36 increases.
Embodiment 2
It refers to shown in Fig. 3 and Fig. 4：A kind of more liquid on-line high-precision hybrid systems provided in this embodiment, with implementation
Example 1 the difference is that only：An export ratio regulating valve 37, and the output are gone back while are equipped on the output pipe 33
The signal input part of ratio adjusting valve 37 is also connected with the signal output end of the controller 1.
The course of work of more liquid on-line high-precision hybrid systems provided in this embodiment includes the following steps：
S1) start the conveying of each liquid to be mixed (i.e.：Start each liquid delivery pump 312), and open each liquid output
Reflux ratio adjusting valve 36 in unit 3 is to maximum opening and export ratio regulating valve 37 to default aperture (the default aperture
Between 0 to 100%, with preferable between the 30%~60% of maximum opening)；
S2) first obtain each liquid according to the fluid flowmeter 35 in each liquid output unit 3 is transported to mixing to controller 1
The real-time flow data of container 2, and judge that whether each liquid is transported to the real-time flow data of mixing vessel 2 in preset flow range
In (floating up and down to obtain by required mixed-precision with theoretical delivery value), if the determination result is YES, flow-rate adjustment processing wouldn't be done,
If judging result is no, then judges that real-time flow data is greater than and is also less than preset flow, if judging result is greater than, controller
1 reduces the aperture for controlling export ratio regulating valve 37 corresponding to the liquid, if judging result is less than, controller 1 will be controlled
The aperture for making the reflux ratio adjusting valve 36 corresponding to the liquid reduces；
S3) when pass through step S2) flow-rate adjustment handle so that each liquid real-time flow data in preset flow model
When enclosing interior, controller 1 calculates the ratio of the real-time traffic between liquid to be mixed according to scheduled compound target again, and with it is predetermined
Mixed proportion value carry out size comparison, if comparison result is greater than, controller 1 by control positioned at ratio molecule liquid institute
The aperture of corresponding export ratio regulating valve 37 reduces or/and control is located at the export ratio tune corresponding to the liquid of ratio denominator
The aperture for saving valve 37 increases, defeated corresponding to liquid of the controller 1 by control positioned at ratio molecule if comparison result is less than
The aperture for going out ratio adjusting valve 37 increases or/and control is located at the export ratio regulating valve 37 corresponding to the liquid of ratio denominator
Aperture reduces.
In addition, it is necessary to which explanation is：Fluid flowmeter 35 described in Examples 1 and 2 can be not arranged in output pipe
On 33, it can be replaced by installing a fluid flowmeter respectively on conveying main line 32 and reflux bypass 34, by right
The acquisition for conveying total flow and return flow, can learn the fluid flow for being output to mixing vessel indirectly；It can also be by conveying
A pressure sensor is respectively set in main line 32, output pipe 33 and reflux bypass 34, by carrying out pressure difference comparison, also may be used
The fluid flow for being output to mixing vessel is obtained indirectly.
The conveying power of the fluid supply 31 may be high-order pressure difference, such as：Using high-order liquid container, make to be stored in
Liquid in high-level container is input to conveying main line 32 by potential difference.
The output end of the reflux bypass 34 can also be connected with an independent liquid storage container.
Also, hybrid system described in the utility model is equally applicable to multistep mixed scenario, such as：It can first mix
Certain 2 or 2 or more liquid, the liquid for then mixing the step is as the fluid supply of next step, then uses the utility model
The structure and principle of the hybrid system carry out next step with one or several remaining liquid and mix, and so recycle, until complete
At the mixing of plurality of liquid.
It is last it is necessarily pointed out that：The foregoing is merely the preferable specific implementation modes of the utility model, but this
The protection domain of utility model is not limited thereto, and any one skilled in the art discloses in the utility model
In technical scope, the change or replacement that can be readily occurred in should be covered within the scope of the utility model.
Claims (7)
1. a kind of more liquid on-line high-precision hybrid systems are made of, often controller, mixing vessel and multiple liquid output units
A liquid output unit includes at least fluid supply and conveying main line, and the head end of the conveying main line is connected with fluid supply
It connects, it is characterised in that：The end of the conveying main line of each liquid output unit is divided into output pipe and reflux bypasses, described
The end of output pipe is connected with the mixing vessel, and in conveying main line, the output pipe of each liquid output unit
Flow detector there are one at least containing in being bypassed with reflux is at least equipped with a reflux proportion adjustment in reflux bypass
The signal output end of valve and the flow detector is connected with the signal input part of the controller, the controller
Signal output end with it is described reflux ratio adjusting valve signal input part be connected.
2. more liquid on-line high-precision hybrid systems according to claim 1, it is characterised in that：It is exported in each liquid single
Containing only there are one flow detectors in member, and the flow detector is fluid flowmeter, is mounted in output pipe.
3. more liquid on-line high-precision hybrid systems according to claim 1, it is characterised in that：It is exported in each liquid single
Contain 2 flow detectors in member, and the flow detector is fluid flowmeter, is separately mounted to conveying main line
In reflux bypass.
4. more liquid on-line high-precision hybrid systems according to claim 1, it is characterised in that：The conveying of the fluid supply
Power is pump power or high-order pressure difference.
5. more liquid on-line high-precision hybrid systems according to claim 1, it is characterised in that：The reflux bypasses defeated
Outlet is connected with the supply of corresponding liquid or storage container.
6. more liquid on-line high-precision hybrid systems according to any one of claim 1 to 5, it is characterised in that：Institute
State on output pipe while being equipped with an export ratio regulating valve, and the signal input part of the export ratio regulating valve also with it is described
The signal output end of controller is connected.
7. a kind of more liquid on-line high-precision hybrid systems are made of controller, mixing vessel and multiple liquid output units,
It is characterized in that：Each liquid output unit includes liquid storage container, liquid delivery pump and conveying main line, the conveying master
The head end of pipeline is connected with the delivery outlet of liquid delivery pump, and the end of the conveying main line is divided into output pipe and reflux is other
Road, the end of the output pipe are connected with the mixing vessel, and fluid flowmeter is equipped in the end of the output pipe,
It is equipped with export ratio regulating valve in the front end of the fluid flowmeter, reflux ratio adjusting valve is equipped in reflux bypass,
Also, the signal output end of the fluid flowmeter is connected with the signal input part of the controller, the letter of the controller
Number output end and the reflux ratio adjusting valve and the signal input part of export ratio regulating valve are respectively connected with.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721867272.7U CN207838735U (en) | 2017-12-27 | 2017-12-27 | A kind of more liquid on-line high-precision hybrid systems |
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| CN201721867272.7U CN207838735U (en) | 2017-12-27 | 2017-12-27 | A kind of more liquid on-line high-precision hybrid systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890786A (en) * | 2017-12-27 | 2018-04-10 | 上海格拉曼国际消防装备有限公司 | A kind of more liquid on-line high accuracy hybrid systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107890786A (en) * | 2017-12-27 | 2018-04-10 | 上海格拉曼国际消防装备有限公司 | A kind of more liquid on-line high accuracy hybrid systems |
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