CN205569831U - Vapor -liquid separation device , filtrating circulation negative pressure system and paper machine - Google Patents
Vapor -liquid separation device , filtrating circulation negative pressure system and paper machine Download PDFInfo
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- CN205569831U CN205569831U CN201620267202.7U CN201620267202U CN205569831U CN 205569831 U CN205569831 U CN 205569831U CN 201620267202 U CN201620267202 U CN 201620267202U CN 205569831 U CN205569831 U CN 205569831U
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Abstract
The utility model relates to a vapor -liquid separation device and contain this vapor -liquid separation device's filtrating circulation negative pressure system and paper machine. This vapor -liquid separation device includes the negative pressure container and establishes vapor -liquid separation pipe and the overflow mechanism in the negative pressure container. The upper portion of negative pressure container has the extraction opening that is used for with the evacuating device intercommunication. The upper portion export position of vapor -liquid separation pipe is higher than the inlet of overflow mechanism. The liquid outlet of overflow mechanism is used for communicateing with overflow flowing back drive arrangement. Vapor -liquid separation can be realized to vapour -liquid mixture through in this vapor -liquid separation pipe. This vapor -liquid separation device's simple structure need not complicated slot and pipe -line layout, therefore the cost is lower, and because of simple structure, can show the efficiency that improves vapor -liquid separation.
Description
Technical field
This utility model relates to paper making equipment field, especially relates to a kind of vapor-liquid separating device, filtrate cycle
Negative pressure system and paper machine.
Background technology
Vacuum cycle system is mainly used in the aspects such as papermaking, sewage disposal, industrial chemicals grading purification, its
Utilization in the plain boiled water cyclic process of papermaking is the most extensive.For with mthod of white water from paper making circulating and recovering as example
Bright, vacuum system is related to the quality of paper as the second largest auxiliary system of paper machine room, its function admirable
Productivity ratio with paper machine.High efficiency vacuum system can reduce the cost of papermaking, improves the market of sheet paper products
Competitiveness.The numerous characteristics of paper each depends on forming section, and therefore in paper-making process, forming section is to weigh very much
Want, but, along with the requirement in market is more and more higher, not merely require excellent paper property, papermaking
Worker is while improving production quality, it is necessary to carefully process productivity ratio and the consumption problem of forming section.
The vacuum system of the most common mthod of white water from paper making all contains water lower limb, water seal, suction pump, steam-water separator
And corresponding pipeline.The installation of its water lower limb needs difference in height to a certain extent, harsh to site requirements.
Steam-water separator is the water body and the mixed gas of air discharged for separate vacuum pump, is generally equipped with a foundation
Portion's drain pipe, vapour and water enter ditch, underground and puddle, and (every vacuum pump on the ground is furnished with a list
Only drain pipe), trench technological design is more complicated, and drain must be sufficiently large, to reduce flow velocity,
Its shape must be designed to form correct flow pattern, produces during to reduce steam water interface flow at high speed
Noise, improves steam-water separation effect, so the highest from cost, energy consumption, corresponding process pipe is also
Increase.
Utility model content
Based on this, it is necessary to provide vapor-liquid separating device that a kind of low cost, productivity ratio are high and containing this vapour-liquid
The filtrate cycle negative pressure system of segregation apparatus and paper machine.
A kind of vapor-liquid separating device, including negative-pressure container and the vapor-liquid separation pipe that is located in described negative-pressure container
And overflow mechanism, the top of described negative-pressure container has the bleeding point for connecting with vacuum extractor, described
The upper outlet position of vapor-liquid separation pipe is higher than the inlet of described overflow mechanism, described overflow mechanism
Liquid outlet is for connecting with overflow discharge opeing driving means.
Wherein in an embodiment, in each described negative-pressure container, it is provided with multiple described vapor-liquid separation pipe.
Wherein in an embodiment, described negative-pressure container has filling opening and liquid outlet.
Wherein in an embodiment, described overflow mechanism is funnel, and the liquid outlet of described funnel overflows with described
The inlet connection of stream container.
Wherein in an embodiment, described vapor-liquid separating device also includes overflow vessel, described overflow mechanism
Liquid outlet connect with the inlet of described overflow vessel, the liquid outlet of described overflow vessel for described overflow
Stream discharge opeing driving means connection, described overflow vessel also have for bleeding that described vacuum extractor connects
Mouthful.
Wherein in an embodiment, described vapor-liquid separating device also includes driving for being located at described overflow discharge opeing
The gas backflow that prevents on the outlet of dynamic device enters the check valve of described outlet.
Wherein in an embodiment, described vacuum means is set to frequency conversion vacuum pump.
Wherein in an embodiment, described vapor-liquid separating device also includes depressimeter, aeration valve and control machine
Structure, described depressimeter is for detecting the negative pressure value in described negative-pressure container, and described aeration valve holds with described negative pressure
Device connection is for described negative-pressure container QI invigorating, described controlling organization and described depressimeter, described aeration valve
And described vacuum extractor connects, described controlling organization regulates described QI invigorating according to the detected value of described depressimeter
The opening degree of valve and/or the operating frequency of described vacuum extractor.
A kind of filtrate cycle negative pressure system, including defecator, liquid feed device, vacuum extractor, overflow row
Vapor-liquid separating device described in liquid driving means and any of the above-described embodiment；
Described defecator includes that drainage screen and filter box, described filter box are located under described drainage screen
Side is to be filtered by suction the feed liquid on described drainage screen；
Described liquid feed device is connected with described drainage screen, for supplying feed liquid on described drainage screen；
Described negative-pressure container connects with described liquid feed device, the entrance of described vapor-liquid separation pipe by suction tube with
Described filter box connects, and described negative-pressure container is connected with described vacuum extractor by described bleeding point, institute
The liquid outlet stating overflow mechanism connects with described overflow discharge opeing driving means.
A kind of paper machine, including above-mentioned filtrate cycle negative pressure system.
Above-mentioned vapor-liquid separating device is by arranging vapor-liquid separation pipe and overflow mechanism, and vapour-liquid in negative-pressure container
The position at the upper outlet place separating pipe is higher than the inlet of overflow mechanism, thus is in negative at negative-pressure container
Under pressure condition, vapor-liquid separation can be realized by the liquid-vapor mixture in this vapor-liquid separation pipe.This vapor-liquid separation
The simple in construction of device, it is not necessary to complicated groove and pipe design, thus cost is relatively low, and because of simple in construction,
It is remarkably improved the efficiency of vapor-liquid separation.
Use this vapor-liquid separating device can realize the vapor-liquid separation within negative-pressure container, it is possible to according to technique
Require to set vacuum magnitude, it is achieved stablizing of the control variable of multiple influence factors, it is achieved negative pressure value fluctuation model
It is trapped among in the least scope, elasticity and the liquid content of cake layer on drainage screen can be controlled, particularly suitable in shifting
The suction filtration of disorder of internal organs the blood circulation that feeding liquid is diluted.This can be applicable to of vapor-liquid separating device
The tinuous production aspects such as circulation washing, grading purification, the white liquor circulation of papermaking, the soiling solution process of work, as
Substituting the vacuum system of traditional papermaking white liquor circulating and recovering, special reuse is on small paper machine.
Accompanying drawing explanation
Fig. 1 is the structural representation of the filtrate cycle negative pressure system of an embodiment；
Fig. 2 is the three-dimensional cutaway view of negative-pressure container in Fig. 1.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is carried out more comprehensively
Description.Accompanying drawing gives preferred embodiment of the present utility model.But, this utility model can be to be permitted
The most different forms realizes, however it is not limited to embodiment described herein.On the contrary, provide these to implement
The purpose of example is to make the understanding to disclosure of the present utility model more thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another yuan
On part or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can
To be directly to another element or to may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology with belong to of the present utility model
The implication that those skilled in the art are generally understood that is identical.Institute in description of the present utility model herein
The term used is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting this utility model.
Term as used herein "and/or" includes the arbitrary and all of of one or more relevant Listed Items
Combination.
As it is shown in figure 1, the filtrate cycle negative pressure system 10 of an embodiment includes that defecator 100, feed flow fill
Put 200 and negative pressure device 300.
Defecator 100 includes drainage screen 110 and filter box 120.Filter box 120 is located at drainage screen
The lower section of 110.Filter box 120 is box typed structure, surface have can the hollow structure that passes through of feed flow, as
Surface has pore etc..Filter box 120 is connected with negative pressure device 300 by suction tube 130.Suction tube
130 are provided with regulation valve 140, with break-make and the opening degree of control and suck pipe 130.
The defecator 100 of the present embodiment is mainly by forming negative pressure in filter box 120, with to filtration
Feed liquid on net 110 is aspirated.Feed liquid can flow on drainage screen 110, is gradually formed filter cake by sucking filtration.
In the present embodiment, filter box 120 has multiple.Multiple filter boxs 120 are along drainage screen 110
The flow direction of feed liquid is arranged side by side.Each filter box 120 is all communicated with suction tube 130.
Further, in the present embodiment, defecator 100 also includes filter screen driving means (not shown).Cross
Filter screen 110 is connected with filter screen driving means and can be driven relative to filter box 120 by filter screen driving means
Mobile.By arranging filter screen driving means, this defecator 100 filters under mobile status, the filter of formation
The drainage screen 110 that cake is constantly moved is transported away, and filtrate is then pumped into Rose Box when negative pressure
In body 120.Filter screen driving means can be motor drive.
Liquid feed device 200 is connected with drainage screen 110, for supplying feed liquid on drainage screen 110.Concrete,
In this embodiment, this liquid feed device 200 has new feed liquid port, for adding new feed liquid.This feed flow fills
Put 200 employing feed flow centrifugal pumps to drive, feed liquid is pumped into the liquid feeding end of drainage screen.
Negative pressure device 300 include negative-pressure container 310, overflow vessel 320, overflow discharge opeing driving means 330 and
Vacuum extractor 340.
Incorporated by reference to Fig. 2, in the present embodiment, negative-pressure container 310 has filling opening (not shown) and liquid outlet
312.Negative-pressure container 310 is connected with diluted liquid tube 311 by filling opening, and by liquid outlet 312 and feed flow
The diluent entrance connection of device 200, to carry diluent to liquid feed device 200.Liquid feed device 200 will
Diluent and new feed liquid are mixed to form feed liquid and pump on drainage screen 110.
Vapor-liquid separation pipe 313 and overflow mechanism 314 it is provided with in negative-pressure container 310.The top of vapor-liquid separation pipe 313
End opening is to connect with negative-pressure container 310.The top of vapor-liquid separation pipe 313 enters higher than overflow mechanism 314
Liquid mouth.Vapor-liquid separation pipe 313 is connected with filter box 120 by suction tube 130.In the present embodiment,
Being provided with multiple vapor-liquid separation pipe 313 in each negative-pressure container 310, multiple vapor-liquid separation pipes 313 are respectively by taking out
Suction pipe 130 connects with corresponding filter box 120, the vapour-liquid come from filter box 120 suction to be mixed
Compound carries out vapor-liquid separation.
The overflow mechanism 314 of the present embodiment is funnel structure, the roof of its liquid inlet and negative-pressure container 310 it
Between there is gap, this gap is used for being formed negative pressure, on the one hand can be by filter box 120 to drainage screen 110
On feed liquid aspirate, on the other hand the vapour-liquid in vapor-liquid separation pipe 313 is mixed and carries out vapor-liquid separation.
The liquid outlet of overflow mechanism 314 connects with the inlet of overflow vessel 320.The liquid outlet of overflow vessel 320
Connect with overflow discharge opeing driving means 330.
In the present embodiment, the outlet of overflow discharge opeing driving means 330 is provided with check valve (not shown),
In preventing air suck-back such as overflow vessel 320, affect bearing in overflow vessel 320 and negative-pressure container 310
Pressure value.The pump liquid equipment such as the preferred centrifugal pump of overflow discharge opeing driving means 330.
Vacuum extractor 340 is connected with negative-pressure container 310 and overflow vessel 320 respectively by vacuum-pumping tube 342
Logical.In the present embodiment, vacuum extractor 340 is frequency conversion vacuum pump.
Further, in the present embodiment, this negative pressure device 300 also include depressimeter 350, aeration valve 360 and
Controlling organization (not shown).Depressimeter 350 is for detecting the negative pressure value in negative-pressure container 310.Depressimeter 350
May be provided on negative-pressure container 310, it is also possible to be arranged on the vacuum-pumping tube 342 connected with negative-pressure container 310 and/
Or on overflow vessel 320, to detect the negative pressure value in respective tube or container.Aeration valve 360 and negative-pressure container
310 connections are for negative-pressure container 310 QI invigorating.Aeration valve 360 may be provided in and connects with negative-pressure container 310
On vacuum-pumping tube 342 and/or overflow vessel 320.Controlling organization and depressimeter 350, aeration valve 360 and take out
Vacuum equipment 340 connects.Controlling organization regulates the unlatching of aeration valve 360 according to the detected value of depressimeter 350
Degree and/or the operating frequency of vacuum extractor 340.By arranging depressimeter 350, aeration valve 360 and control
Mechanism processed, can automatically control, by the testing result of depressimeter 350, the vacuum met when negative pressure value increases
Regulation, can solve the problem that when vacuum extractor 340 is converted to 0Hz, negative pressure still can subtract, and then
Be conducive to maintaining stablizing of negative pressure value.
Controlling organization can use computer or programmable logic controller (PLC) (PLC) to realize control.Controlling organization
Can also electrically connect with regulation valve, feed flow centrifugal pump etc., to control corresponding mechanism action.
As in figure 2 it is shown, the negative-pressure container 310 of the present embodiment, vapor-liquid separation pipe 313 and overflow mechanism 314 structure
Become vapor-liquid separating device.This vapor-liquid separating device can be applied in the multiple occasion needing to realize vapor-liquid separation,
Than traditional vapour liquid separator, this vapor-liquid separating device simple in construction, cost is relatively low.Additionally, this vapour
Liquid separating apparatus can also include above-mentioned overflow vessel, check valve, depressimeter, aeration valve and controlling organization etc.,
To constitute the vapor-liquid separating device that accessory is complete, function is more complete.
Use this filtrate cycle negative pressure system 10 can realize the vapor-liquid separation within negative-pressure container 310, and can
To set vacuum magnitude according to technological requirement, it is achieved stablizing of the control variable of multiple influence factors, it is achieved negative
Pressure value fluctuation range, in the least scope, can control elasticity and the liquid content of cake layer on drainage screen 110,
Realize continuous and stable production, particularly suitable suction filtration in movement the circulation that feeding liquid is diluted
System.This filtrate cycle negative pressure system 10 can be applicable to the circulation washing of chemical industry, grading purification, papermaking white
The tinuous production aspects such as liquid circulates, soiling solution process, as substituted the vacuum of traditional papermaking white liquor circulating and recovering
System, special reuse is on small paper machine.
This filtrate cycle negative pressure system 10 operationally, first adds diluent at filling opening, treats overflow vessel
Open overflow discharge opeing driving means 330 when having diluent in 320 and start discharge opeing；Open liquid feed device 200 to mistake
Filter device 100 feed flow, is added to new feed liquid from the new feed liquid port of liquid feed device 200 simultaneously, the most whole
Individual new feed liquid is fed on drainage screen 110 after being the most constantly diluted；Until in feed liquid to after on drainage screen 110,
Open vacuum extractor 340 and start suction；Drainage screen 110 is moving shape under the effect of filter screen driving means
Filtering under state, the filter cake of formation is constantly transported away by drainage screen 110, and filtrate is at the pressure reduction of vacuum equipment 300
Under the vapor-liquid separation pipe that entered in negative-pressure container 310 by filter box 120 and suction tube 130 realize vapour-liquid
Separate；Aeration valve 360 and vacuum extractor 340 drive dress by controlling organization control action, overflow discharge opeing
Putting in the process for preparation that the feed liquid of 330 eliminatings can also directly use new feed liquid, such whole system 10 enters
Constantly cyclic process.For realizing the circulation of small displacement, the dilution after beginning to be recycled, in negative-pressure container 310
Liquid fluid infusion can be closed.
Table 1 below is the negative pressure value change when this filtrate cycle negative pressure system that certain time period monitors runs
Situation.
Table 1: the situation of change of this system test negative pressure value
| Number of times | 1 | 2 | 3 | 4 | 5 |
| System negative pressure value/KPa | -8.8 | -8.9 | -9.4 | -8.7 | -8.4 |
| Filter cake over dry % | 12.0 | 11.7 | 12.5 | 12.1 | 11.4 |
Note: in table, data are that each 10min measures once, and use identical feed quantity and same materials.
Table 1 is the concrete negative pressure variation situation in process of the test, the feelings that test is all fixed at other all variablees
The stability of this system is verified under condition.Result of implementation shows that vacuum values change is more stable, and phase difference is controlled substantially
System is within 1KPa, and this has reached the highest requirement in technique produces, and has the biggest application.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and
In detail, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, it is right
For those of ordinary skill in the art, without departing from the concept of the premise utility, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model is special
The protection domain of profit should be as the criterion with claims.
Claims (10)
1. a vapor-liquid separating device, it is characterised in that include negative-pressure container and be located at described negative-pressure container
Interior vapor-liquid separation pipe and overflow mechanism, the top of described negative-pressure container has for connecting with vacuum extractor
Bleeding point, the upper outlet position of described vapor-liquid separation pipe higher than the inlet of described overflow mechanism,
The liquid outlet of described overflow mechanism is for connecting with overflow discharge opeing driving means.
2. vapor-liquid separating device as claimed in claim 1, it is characterised in that in each described negative-pressure container
It is provided with multiple described vapor-liquid separation pipe.
3. vapor-liquid separating device as claimed in claim 1, it is characterised in that described negative-pressure container has and adds
Liquid mouth and liquid outlet.
4. vapor-liquid separating device as claimed in claim 1, it is characterised in that described overflow mechanism is funnel,
The liquid outlet of described funnel connects with the inlet of described overflow vessel.
5. the vapor-liquid separating device as according to any one of Claims 1 to 4, it is characterised in that also include overflowing
Stream container, the liquid outlet of described overflow mechanism connects with the inlet of described overflow vessel, described overflow vessel
Liquid outlet for connecting with described overflow discharge opeing driving means, described overflow vessel also has for described
The bleeding point of vacuum extractor connection.
6. the vapor-liquid separating device as according to any one of Claims 1 to 4, it is characterised in that also include using
The gas backflow that prevents on the outlet being located at described overflow discharge opeing driving means enters the unidirectional of described outlet
Valve.
7. the vapor-liquid separating device as according to any one of Claims 1 to 4, it is characterised in that described in take out true
Empty device is frequency conversion vacuum pump.
8. vapor-liquid separating device as claimed in claim 7, it is characterised in that also include depressimeter, QI invigorating
Valve and controlling organization, described depressimeter for detecting the negative pressure value in described negative-pressure container, described aeration valve with
The connection of described negative-pressure container for described negative-pressure container QI invigorating, described controlling organization and described depressimeter,
Described aeration valve and described vacuum extractor connect, and described controlling organization is adjusted according to the detected value of described depressimeter
Save opening degree and/or the operating frequency of described vacuum extractor of described aeration valve.
9. a filtrate cycle negative pressure system, it is characterised in that include defecator, liquid feed device, take out very
Empty device, overflow discharge opeing driving means and the vapor-liquid separating device as according to any one of claim 1～8；
Described defecator includes that drainage screen and filter box, described filter box are located under described drainage screen
Side is to be filtered by suction the feed liquid on described drainage screen；
Described liquid feed device is connected with described drainage screen, for supplying feed liquid on described drainage screen；
Described negative-pressure container connects with described liquid feed device, the entrance of described vapor-liquid separation pipe by suction tube with
Described filter box connects, and described negative-pressure container is connected with described vacuum extractor by described bleeding point, institute
The liquid outlet stating overflow mechanism connects with described overflow discharge opeing driving means.
10. a paper machine, it is characterised in that include filtrate cycle negative pressure system as claimed in claim 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267202.7U CN205569831U (en) | 2016-03-31 | 2016-03-31 | Vapor -liquid separation device , filtrating circulation negative pressure system and paper machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620267202.7U CN205569831U (en) | 2016-03-31 | 2016-03-31 | Vapor -liquid separation device , filtrating circulation negative pressure system and paper machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736646A (en) * | 2019-10-16 | 2020-01-31 | 国网河北省电力有限公司 | Oil taking auxiliary device of main transformer tap switch |
-
2016
- 2016-03-31 CN CN201620267202.7U patent/CN205569831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736646A (en) * | 2019-10-16 | 2020-01-31 | 国网河北省电力有限公司 | Oil taking auxiliary device of main transformer tap switch |
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