CN105158048B - A kind of drawing-in type solid-liquid separator - Google Patents
A kind of drawing-in type solid-liquid separator Download PDFInfo
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- CN105158048B CN105158048B CN201510508349.0A CN201510508349A CN105158048B CN 105158048 B CN105158048 B CN 105158048B CN 201510508349 A CN201510508349 A CN 201510508349A CN 105158048 B CN105158048 B CN 105158048B
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Abstract
The invention discloses a kind of drawing-in type solid-liquid separator, it is desirable to provide a kind of easy to operate, operating efficiency is high, and simultaneously multiple water samples can be carried out with the drawing-in type solid-liquid separator of pre-treatment operation.It includes casing and vaccum-pumping equipment with sealed internal chamber, the extraction liquor collecting device being arranged on casing, vaccum-pumping equipment is connected by vacuum lead with the inner chamber of casing, and box top is provided with some connection through holes, and the inner chamber bottom surface of casing is provided with the waste liquor recycling bin of upper end open；Extraction liquor collecting device is located above waste liquor recycling bin, extraction liquor collecting device includes being arranged on the installing plate in casing and above waste liquor recycling bin, set on a mounting board and connect the one-to-one extract collecting pipe of through hole with each, be arranged on body side and with the horizontal guide pin bushing of the intracavity inter-connection of casing and the guide rod being slidably arranged in horizontal guide pin bushing, horizontal guide pin bushing medial surface is provided with the first sealing ring, and the inner of guide rod is connected with installing plate.
Description
Technical field
The present invention relates to a kind of pretreating device of water analysis test, and in particular to a kind of water analysis test is taken out
Suction solid-liquid separator.
Background technology
SPE is that developed recently gets up a kind of Sample Pretreatment Technique Used, by liquid-solid extraction and column liquid chromatographic technology phase
With reference to developing, it is mainly used in the separation, purifying and concentration of sample, the rate of recovery of analyte can be improved, more effectively will
Analyte and interferenceComponentSeparation, sample pretreatment process is reduced, it is simple to operate, time saving, laborsaving.Be widely applied to medicine,
The fields such as food, environment, commodity inspection, chemical industry.
Water analysis test pretreatment process in SPE mainly using the filler in solid phase extraction column come
Separation, purifying and condensed water sample, by the interference in water sampleComponentSeparation；Current concrete operations are generally as follows：
First, water sample is added in solid phase extraction column, and makes the interference in water sample by way of vacuumizingGroup PointIt is separated by filtration, and the interference isolated is collected by collection vesselComponent（Water and other components）, so as to by water sample
Analyte is stayed in solid phase extraction column；Then, vacuum extractor will be closed, is disturbed collectingComponentContainer take out, and put
Enter a new collection vessel and be used for collect analyte；Followed by into solid phase extraction column, addition organic solvent stays to dissolve
Analyte in solid phase extraction column, and make analyte and organic solvent by solid phase extraction column by way of vacuumizing
Flow out in collection vessel, so as to complete the pre-treatment to water sample analysis test.
The pretreating device of current water analysis test has the following disadvantages：
First, needing to close vacuum extractor in water sample pretreatment process, and collection vessel is changed, its operating process
It is comparatively laborious, waste time and energy.Second, a usual pretreatment process can only operate to a sample cell, this causes in reality
Large batch of sample often devotes a tremendous amount of time in the detection of border.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided and a kind of easy to operate, operating efficiency is high, and
Simultaneously multiple water samples can be carried out with the drawing-in type solid-liquid separator of pre-treatment operation.
The technical scheme is that：
A kind of drawing-in type solid-liquid separator, including casing and vaccum-pumping equipment with sealed internal chamber, described vacuumize set
It is standby to be connected by vacuum lead with the inner chamber of casing, in addition to the extraction liquor collecting device being arranged on casing, the casing
Top surface is provided with some connection through holes, and the inner chamber bottom surface of casing is provided with the waste liquor recycling bin of upper end open, and respectively connects through hole
Positioned at the inner side of the upper port of waste liquor recycling bin；The extraction liquor collecting device is located above waste liquor recycling bin, and extract is collected
Device includes being arranged in casing and being arranged on the installing plate above recycling bin, sets on a mounting board and connects through hole one with each
Extract collecting pipe corresponding to one, it is arranged on body side and with the horizontal guide pin bushing of the intracavity inter-connection of casing and slidably setting
The guide rod in horizontal guide pin bushing is put, the horizontal guide pin bushing medial surface is provided with the first sealing ring, the inner and the installation of the guide rod
Plate is connected.
Easy to operate, the operating efficiency height of this programme drawing-in type solid-liquid separator, and multiple water samples can be entered simultaneously
Row pre-treatment operation obtains pre-treatment sample.
Preferably, also including adaptive gas check, the casing includes the box-like body of upper end open and for sealing
Hide box-like body and upper end open case lid, the case lid edge is provided with the annular side listrium that down extends of circle, and annular
Lateral margin sleeve-board is located on box-like body；
The adaptive gas check includes the mounting groove being arranged on annular side listrium medial surface, is arranged in mounting groove
Inflation seal ring and pressure conversion cylinder body；
The inner chamber of the pressure conversion cylinder body is made up of interconnected the first cavity and the second cavity, and the first cavity
Internal diameter is more than the internal diameter of the second cavity；First piston body is provided with first cavity, second piston body is provided with the second cavity,
And be connected between first piston body and second piston body by head rod, lived on the pressure conversion cylinder body close to first
The one end open of cock body, close to the closing of one end of second piston body；
The first inside cavities face is provided with the first limited block, and the first limited block is lived with second piston body positioned at first
Cock body opposite sides, second cavity are provided with the first pretension compression bullet that first piston body can be made to be resisted against on the first limited block
Spring, and the first pretension compression spring is located at second piston body opposite sides with first piston body；
The pressure conversion cylinder body lateral surface is provided with the first connector and the second connector, the first connector and the first chamber
Body phase connects, and the first connector is between first piston body and second piston body；Second connector is connected with the second cavity
It is logical, and the second connector is located at second piston body opposite sides with first piston body；The box-like body lateral surface is provided with the
Three connectors, the inflation seal ring, which is provided with, fills exhaust nozzle, by the between first connector and the 3rd connector
A connecting pipe road is connected, and second connector is connected with filling between exhaust nozzle by the second connecting pipe.
The waste liquor recycling bin in casing and extract collecting pipe are taken out for convenience, usual casing is designed with a case
Lid；But so just need to set sealing structure between case lid and box-like body, prevent in vacuum ambient atmos by
Enter cabinets cavity between case lid and box-like body.The sealing structure between case lid and box-like body is exactly generally one close at present
Seal, and because the fit precision problem of case lid and box-like body, common sealing ring are often difficult to form the sealing relied.Separately
On the one hand, because case lid is needed through normally open/closing, this causes the sealing ring between case lid and box-like body easily to loosen, produce
Raw gap, causes ambient atmos in cabinets cavity vacuum to enter cabinets cavity, influences the filtering of sample extracting solution.Separately
Outside, due to case lid need through it is normally open/close, according to common gas-flow closure circle can cause case lid can not smoothly open/
Close.This programme is improved for this problem, and it can not influence the premise of drawing-in type solid-liquid separator normal use
Under, effectively solve because of the poor sealing between case lid and box-like body, and cause to take out the negative pressure deficiency of the cavity in casing, influence
The problem of sample separation, extraction process.
Because the pressure conversion inner chamber of cylinder block between first piston body and second piston body passes through the first connecting pipe and case
The intracavity inter-connection of body, and the cross-sectional area of first piston body is more than the cross-sectional area of second piston body；Thus vacuumizing
During air pressure between first piston body and second piston body reduce, make second piston body toward the second spacing Block direction movement,
So as to which the gas in pressure conversion cylinder body to be pressed into the interior intracavitary of inflation seal ring by the second connecting pipe, make inflatable close
Seal expands, and then ensures that inflation seal ring forms reliable sealing between case lid and box-like body；And with casing
The negative pressure of inner chamber increases, and the air pressure of intracavitary also increases therewith in the annular inflatable of inflation seal ring, is filled so as to be further ensured that
Gas formula sealing ring forms reliable sealing between case lid and box-like body, effectively solves because close between case lid and box-like body
Negative pressure deficiency that is bad, and causing to vacuumize cavity is sealed, the problem of influenceing sample separation, extraction process.On the other hand, sample is worked as
Separation, after the completion of extraction process, vaccum-pumping equipment is closed, and now cabinets cavity pressure is recovered, so that first piston body and the
Two piston bodies reset in the presence of the first pretension compression spring, and now inflation seal ring shrinks, so that case lid can be suitable
Unlatching/closing of profit, ensure equipment normal work.
Preferably, pressure conversion cylinder body lateral surface is provided with the 4th connector being connected with the first cavity, and the 4th
Connector is provided with electromagnetic switch valve between first piston body and second piston body at the 4th connector；Pressure conversion
Cylinder body lateral surface is provided with the 5th connector being connected with the second cavity, and the 5th connector is located at second with first piston body
Piston body opposite sides, electromagnetic switch valve is provided with the 5th connector；The box-like body lateral surface is provided with the 6th and connected
Interface, electromagnetic switch valve is provided with the 6th connector.
Preferably, the second inside cavities face is provided with the second limited block, and the second limited block be located at second piston body with
Between second connector.
Preferably, connection through hole is vertically arranged, each connect in through hole is inserted with the crossover sub that can be taken off respectively, changes
The lateral surface of joint is provided with the second sealing ring, and the second sealing ring is located between crossover sub and connection through hole；The conversion
Upper end of joint face is provided with vertical grafting through hole, and vertical grafting through hole medial surface is provided with the 3rd sealing ring.This programme is by turning
Changing-over head is connected with solid phase extraction column, thus it is small to adapt to the SPE of different model by changing crossover sub
Post.
Preferably, the 3rd limited block is provided with crossover sub lateral surface and above connection through hole, and the 3rd is spacing
Block is located above the second sealing ring.
Preferably, being provided with interior spacing block set on guide rod lateral surface and positioned at the interior intracavitary of casing, and work as interior limit convex
When block is resisted against horizontal guide pin bushing, the installing plate is moved to the outside of the upper port of waste liquor recycling bin.
Preferably, outer spacing block set is provided with guide rod lateral surface and on the outside of casing, and when outer spacing block set supports
When leaning against horizontal guide pin bushing, each extract collecting pipe is positioned at the underface of corresponding connection through hole.
Preferably, installing plate is horizontally disposed with, installing plate leads to provided with some installations through the upper and lower surface of installing plate
Hole, the extract collecting pipe be plugged in corresponding in installation through-hole, and on extract collecting pipe lateral surface and be located at installing plate
Top is provided with the 4th limited block.
Preferably, the lower port of connection through hole is provided with the flow guide sleeve that cross section is gradually reduced from top to bottom.
The beneficial effects of the invention are as follows：With easy to operate, operating efficiency height, and multiple water samples can be carried out simultaneously
The characteristics of pre-treatment operates.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the drawing-in type solid-liquid separator of the present invention.
Fig. 2 is a kind of structural representation of the adaptive gas check of the present invention.
Fig. 3 is another structural representation of the drawing-in type solid-liquid separator of the present invention in the course of the work.
In figure：Casing 1, box-like body 1a, case lid 1b, annular side listrium 1b1, through hole 2 is connected, crossover sub 3, is inserted vertically
Connect hole 31, flow guide sleeve 4, adaptive gas check 5, inflation seal ring 51, the 3rd connector 52, the first connecting pipe 53,
Second connecting pipe 54, pressure conversion cylinder body 55, the first connector 56, the second connector 57, the 5th connector 58,
First pretension compression spring 59, the second cavity 510, the second limited block 511, second piston body 512, the 4th connector
513rd, the first cavity 514, first piston body 515, the first limited block 516, extraction liquor collecting device 6, installing plate 61, extract are received
Collector 62, the 4th limited block 63, interior spacing block set 64, horizontal guide pin bushing 65, guide rod 66, outer spacing block set 67, waste liquor recycling bin 7,
Pump orifice 8, the 6th connector 9, solid phase extraction column 10.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of drawing-in type solid-liquid separator includes the casing 1 with sealed internal chamber, vaccum-pumping equipment is adaptive
The extraction liquor collecting device 6 answered gas check 5 and be arranged on casing.Casing includes the box-like body 1a of upper end open and is used for
Envelope hide box-like body and upper end open case lid 1b.Case lid edge is provided with the annular side listrium 1b1 that a circle down extends, and ring
Shape lateral margin sleeve-board is located on box-like body.Vaccum-pumping equipment is connected by vacuum lead with the inner chamber of casing, specifically, case
Body outer body face is provided with pump orifice 8, and vaccum-pumping equipment is connected by vacuum lead with pump orifice.
Box top is provided with some connection through holes 2, and specifically, case lid top surface is provided with some connection through holes.Connection
Through hole is vertically arranged.The lower port of connection through hole is provided with the flow guide sleeve 4 that cross section is gradually reduced from top to bottom.Through hole is connected as circle
Hole.The crossover sub 3 that can be taken off is inserted with respectively in each connection through hole.The lateral surface of crossover sub is provided with the second sealing ring,
And second sealing ring be located at crossover sub and connection through hole between.It is provided with crossover sub lateral surface and above connection through hole
3rd limited block, and the 3rd limited block is located above the second sealing ring.Crossover sub upper surface is provided with vertical grafting through hole 31, and
Vertical grafting through hole medial surface is provided with the 3rd sealing ring.The inner chamber bottom surface of casing is provided with the waste liquor recycling bin 7 of upper end open,
And each connection through hole is located at the inner side of the upper port of waste liquor recycling bin.
Extraction liquor collecting device is located above waste liquor recycling bin.Extraction liquor collecting device includes being arranged in casing and set
Installing plate 61 above recycling bin, set on a mounting board and connect the one-to-one extract collecting pipe 62 of through hole with each,
It is arranged on body side and with the horizontal guide pin bushing 65 of the intracavity inter-connection of casing and being slidably arranged on leading in horizontal guide pin bushing
Bar 66.Installing plate is horizontally disposed with.Installing plate is provided with some installation through-holes through the upper and lower surface of installing plate.Extract is collected
The upper end open of pipe, lower end closed.Extract collecting pipe is plugged in corresponding installation through-hole, and extract collecting pipe lateral surface
Go up and be located above installing plate and be provided with the 4th limited block 63.Horizontal guide pin bushing medial surface is provided with the first sealing ring.The inner of guide rod
It is connected with installing plate.
As shown in figure 1, interior spacing block set 64 is provided with guide rod lateral surface and positioned at the interior intracavitary of casing, and when interior spacing
When projection is resisted against horizontal guide pin bushing, the installing plate is moved to the outside of the upper port of waste liquor recycling bin.As shown in figure 3, guide rod
Outer spacing block set 67 is provided with lateral surface and on the outside of casing, and when outer spacing block set is resisted against horizontal guide pin bushing, each extraction
Liquid collecting pipe is taken positioned at the underface of corresponding connection through hole.
As shown in Figure 1 and Figure 2, adaptive gas check 5 includes the mounting groove being arranged on annular side listrium medial surface, if
Put inflation seal ring 51 and pressure conversion cylinder body 55 in mounting groove.The inner chamber of pressure conversion cylinder body is stepped.Pressure
The inner chamber for changing cylinder body is made up of interconnected the first cavity 514 and the second cavity 510, and the internal diameter of the first cavity is more than the
The internal diameter of two cavitys.First piston body 515 is provided with first cavity.Second piston body 512 is provided with second cavity, and first lives
It is connected between cock body and second piston body by head rod.Opened on pressure conversion cylinder body close to one end of first piston body
Mouthful, close to the closing of one end of second piston body.First inside cavities face is provided with the first limited block 516, and the first limited block with
Second piston body is located at first piston body opposite sides.Second inside cavities face is provided with the second limited block 511, and second is spacing
Block is between second piston body and the second connector.Second cavity, which is provided with, can be such that first piston body is resisted against on the first limited block
The first pretension compression spring 59, and the first pretension compression spring and first piston body are located at second piston body opposite sides.
Pressure conversion cylinder body lateral surface is provided with the first connector 56 and the second connector 57.First connector and the first chamber
Body phase connects, and the first connector is between first piston body and second piston body.Second connector is connected with the second cavity
It is logical, and the second connector is located at second piston body opposite sides with first piston body.Box-like body lateral surface is provided with the 3rd and connected
Interface 52.Pressure conversion cylinder body lateral surface is provided with the 4th connector 513 being connected with the first cavity, and the 4th connector position
Between first piston body and second piston body.Electromagnetic switch valve is provided with 4th connector.On pressure conversion cylinder body lateral surface
Provided with the 5th connector 58 being connected with the second cavity, and the 5th connector is located at second piston body phase pair with first piston body
Both sides.Electromagnetic switch valve is provided with 5th connector.Box-like body lateral surface is provided with the 6th with main box intracavity inter-connection
Connector 9.Electromagnetic switch valve is provided with 6th connector.Inflation seal ring, which is provided with, fills exhaust nozzle.First connector and
It is connected between three connectors by the first connecting pipe 53.Second connector and fill between exhaust nozzle by the second connecting pipe
54 are connected.
The specific work process of the drawing-in type solid-liquid separator of the present invention is as follows：
First, drive installing plate and extract collecting pipe to move by guide rod, until interior spacing block set is resisted against level and led
Put, now installing plate is moved to the outside of the upper port of waste liquor recycling bin, as shown in Figure 1.
Meanwhile as shown in figure 3, the lower end of solid phase extraction column 10 is inserted in the vertical grafting through hole of crossover sub, and
Sealing is formed between solid phase extraction column and crossover sub by the 3rd sealing ring in vertical grafting through hole（Each vertical grafting
Solid phase extraction column is plugged in through hole respectively）；Then, by accessing pending water sample add corresponding in solid phase extraction column（It is each solid
It is mutually interior in extraction pillar to add different accessing pending water samples）.
Second, the electromagnetic switch valve closed at the four, the 5th and the 6th connector, and vaccum-pumping equipment is opened to casing
Inner chamber is vacuumized, and makes the interference in water sampleComponent（Water and other components）Dropped onto by the lower port of solid phase extraction column
In waste liquor recycling bin, and the analyte in water sample is set to stay in solid phase extraction column.
As shown in Figure 1 and Figure 2, during vaccum-pumping equipment vacuumizes to the inner chamber of casing, due to first piston
Communication type inner chamber of cylinder block between body and second piston body is by the first connecting pipe and the intracavity inter-connection of main box, and
The cross-sectional area of one piston body is more than the cross-sectional area of second piston body；The thus first piston body and second in vacuum
Air pressure between piston body reduces, and makes second piston body toward the second spacing Block direction movement, so as to by the gas in communication type cylinder body
Body is pressed into intracavitary in the annular inflatable of inflation seal ring by the second connecting pipe, expands inflation seal ring, Jin Erbao
Card inflation seal ring forms reliable sealing between case lid and box-like body.
3rd, when the interference in water sampleComponentAfter separation, installing plate and extract collecting pipe is driven to move by guide rod,
Until outer spacing block set is resisted against on horizontal guide pin bushing, now each extract collecting pipe connects the underface of through hole corresponding to,
As shown in Figure 3；
Then, organic solvent is added into solid phase extraction column to dissolve the analyte stayed in solid phase extraction column, it is molten
Analyte of the solution in organic solvent will be dropped onto by the lower port of solid phase extraction column in corresponding extract collecting pipe, so as to
Complete to analyze the pre-treatment tested to water sample.
4th, vaccum-pumping equipment is closed, while the electromagnetic switch valve at the four, the 5th and the 6th connector is opened,
So that first piston body and second piston body reset in the presence of pretension compression spring, now inflation seal ring shrinks
（Case lid is set smoothly to open/close）；Then, opening box covers take out extract collecting pipe.
Claims (9)
1. a kind of drawing-in type solid-liquid separator, including casing and vaccum-pumping equipment with sealed internal chamber, the vaccum-pumping equipment
Connected by vacuum lead with the inner chamber of casing, it is characterized in that, in addition to adaptive gas check and be arranged on casing
Liquor collecting device is extracted, the box top is provided with some connection through holes, and the inner chamber bottom surface of casing is provided with upper end open
Waste liquor recycling bin, and each connection through hole is located at the inner side of the upper port of waste liquor recycling bin；The extraction liquor collecting device is positioned at useless
Above liquid recycling bin, extraction liquor collecting device includes being arranged in casing and is arranged on the installing plate above recycling bin, is arranged on
On installing plate and with it is each connection the one-to-one extract collecting pipe of through hole, be arranged on body side and with the inner chamber phase of casing
The horizontal guide pin bushing of connection and the guide rod being slidably arranged in horizontal guide pin bushing, the horizontal guide pin bushing medial surface are provided with the first sealing
Circle, the inner of the guide rod are connected with installing plate；
The box-like body of the casing including upper end open and for seal hide box-like body and upper end open case lid, the case
Lid edge is provided with the annular side listrium that a circle down extends, and annular side listrium is set on box-like body；
The adaptive gas check includes the mounting groove being arranged on annular side listrium medial surface, is arranged on filling in mounting groove
Gas formula sealing ring and pressure conversion cylinder body；
The inner chamber of the pressure conversion cylinder body is made up of interconnected the first cavity and the second cavity, and the internal diameter of the first cavity
More than the internal diameter of the second cavity；Being provided with first piston body in first cavity, the second cavity is interior to be provided with second piston body, and the
It is connected between one piston body and second piston body by head rod, close to first piston body on the pressure conversion cylinder body
One end open, close to the closing of one end of second piston body；
The first inside cavities face is provided with the first limited block, and the first limited block is located at first piston body with second piston body
Opposite sides, second cavity, which is provided with, can make the first pretension compression spring that first piston body is resisted against on the first limited block,
And first pretension compression spring and first piston body be located at second piston body opposite sides；
The pressure conversion cylinder body lateral surface is provided with the first connector and the second connector, the first connector and the first cavity phase
Connection, and the first connector is between first piston body and second piston body；Second connector is connected with the second cavity, and
Second connector is located at second piston body opposite sides with first piston body；The box-like body lateral surface is provided with the 3rd connection
Mouthful, the inflation seal ring, which is provided with, fills exhaust nozzle, is connected between first connector and the 3rd connector by first
Pipeline is connected, and second connector is connected with filling between exhaust nozzle by the second connecting pipe.
2. a kind of drawing-in type solid-liquid separator according to claim 1, it is characterized in that, the pressure conversion cylinder body lateral surface
Be provided with the 4th connector that is connected with the first cavity, and the 4th connector be located at first piston body and second piston body it
Between, it is provided with electromagnetic switch valve at the 4th connector；Pressure conversion cylinder body lateral surface is provided with what is be connected with the second cavity
5th connector, and the 5th connector is located at second piston body opposite sides with first piston body, is set at the 5th connector
There is electromagnetic switch valve；The box-like body lateral surface is provided with the 6th connector, and electromagnetic switch is provided with the 6th connector
Valve.
3. a kind of drawing-in type solid-liquid separator according to claim 1, it is characterized in that, set on the second inside cavities face
There is the second limited block, and the second limited block is between second piston body and the second connector.
4. a kind of drawing-in type solid-liquid separator according to claim 1, it is characterized in that, the connection through hole is vertically arranged,
It is inserted with the crossover sub that can be taken off in each connection through hole respectively, the lateral surface of crossover sub is provided with the second sealing ring, and the
Two sealing rings are located between crossover sub and connection through hole；The crossover sub upper surface is provided with vertical grafting through hole, and vertically
Grafting through hole medial surface is provided with the 3rd sealing ring.
5. a kind of drawing-in type solid-liquid separator according to claim 4, it is characterized in that, on the crossover sub lateral surface simultaneously
The 3rd limited block is provided with above connection through hole, and the 3rd limited block is located above the second sealing ring.
6. a kind of drawing-in type solid-liquid separator according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, outside the guide rod
Interior spacing block set is provided with side and positioned at the interior intracavitary of casing, and when interior spacing block set is resisted against horizontal guide pin bushing, it is described
Installing plate is moved to the outside of the upper port of waste liquor recycling bin.
7. a kind of drawing-in type solid-liquid separator according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, outside the guide rod
Outer spacing block set is provided with side and on the outside of casing, and when outer spacing block set is resisted against horizontal guide pin bushing, each extract
Collecting pipe is positioned at the underface of corresponding connection through hole.
8. a kind of drawing-in type solid-liquid separator according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, the installing plate
Horizontally disposed, installing plate is provided with some installation through-holes through the upper and lower surface of installing plate, and the extract collecting pipe is plugged in
In corresponding installation through-hole, and the 4th limited block is provided with extract collecting pipe lateral surface and above installing plate.
9. a kind of drawing-in type solid-liquid separator according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, the connection is logical
The lower port in hole is provided with the flow guide sleeve that cross section is gradually reduced from top to bottom.
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| CN201510508349.0A CN105158048B (en) | 2015-08-18 | 2015-08-18 | A kind of drawing-in type solid-liquid separator |
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