CN208711189U - A kind of stacked filter-pressing device in longitudinal direction - Google Patents

Abstract

The utility model relates to a kind of stacked filter-pressing devices in longitudinal direction, central tube uses integral forming, whole section there is no the weld seam inner wall depressions that may cause by welding, welded gaps, weld seam is uneven, the problems such as difficult, is examined in polishing, and there is no filtering dead angles not will lead to filtrate residual, to improve filtering accuracy and effect；Filtering core is by the way of several layers vertical stack, it improves in filter effect, increasing filtration barrel body diameter, cylinder highly cost is higher, production is more complicated relative to increasing, the set-up mode of the more filter layers of minor diameter is thus selected to increase the height of filtration barrel body, it can be while guaranteeing filter effect, manufacture difficulty is reduced, manufacturing cost is reduced.

Description

A kind of stacked filter-pressing device in longitudinal direction

Technical field

The utility model relates to the stacked filter-pressing devices of a kind of filter device more particularly to a kind of longitudinal direction.

Background technique

In the prior art, filter-pressing device bosom pipeline is often through welding fabrication, but inevitably in welding There are weld seam inner wall depressions, and welded gaps, weld seam is uneven, and the problems such as difficult is examined in polishing, so as to cause liquid stream to be filtered Cleaning is not thorough, and leads to that filter efficiency is low, filter quality is poor；Meanwhile the filters pressing effect and cylinder of filter-pressing device in the prior art The size of diameter and height is directly proportional, and barrel diameter more big height is higher, and the filter effect realized is better, and barrel diameter and On the one hand the increase of height increases manufacture difficulty, on the other hand also considerably increase manufacturing cost, and such as how least cost is real The technical issues of existing optimal filter effect is the urgent need to resolve in filter-pressing device field.

Utility model content

For the deficiencies in the prior art and defect, the utility model provides a kind of stacked filter-pressing device in longitudinal direction.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of stacked filter-pressing device in longitudinal direction, Be characterized in that: the filter-pressing device includes liquid inlet, liquid outlet, exhaust outlet and filters pressing tank body, the liquid inlet, liquid outlet It is located at the lower section of the filters pressing tank body, the exhaust outlet is located at the top of the filters pressing tank body, and the liquid outlet is in institute State the outside for being radially located at the liquid inlet of filters pressing tank body, the liquid inlet and the liquid outlet respectively with the pressure-filtering tank The inside of body is connected to；

The bottom end of the liquid inlet and intermediate tube connection, after the tube body of the intermediate tube passes through filters pressing tank body bottom support plate Positioned at the inside of filters pressing tank body, the top of the intermediate tube passes through outer-hexagonal bolt seal；

The radial outside that the intermediate tube is located at the part of the inside of the filters pressing tank body is provided with several layers filtration core Body, undermost filtering core is supported in bottom branch by lower layer's guide post and lower section isolation board in the several layers filtering core On fagging, supported between adjacent two layers filtering core by being located at the upper layer guide post of intermediate tube radial outside, every layer of filtration core Body be internally provided with the pure and turbid liquid filter chamber being located above and underlying pure and turbid liquid outflow chamber, the pure and turbid liquid filter chamber and Pure and turbid liquid flows out the radial outside of chamber by filtration core housing seal, and the pure and turbid liquid, which flows out, is provided with hang plate below chamber, Upper level filter net, porous filter plate and lower layer are passed sequentially through between the pure and turbid liquid filter chamber and pure and turbid liquid outflow chamber Filter screen is realized to be in fluid communication between each other；

On the axial position that the intermediate tube is located at the pure and turbid liquid filter chamber, along the radially uniform of the intermediate tube Offer several the first filter hole；

On the axial position that the upper layer guide post is located at the pure and turbid liquid filter chamber, along the upper layer guide post Radial correspondence is uniformly provided with several the second filter hole；

Several third filter hole are radially uniformly provided in the porous filter plate；

On the axial position that the filtration core shell is located at pure and turbid liquid outflow chamber, along the filtration core shell Radial correspondence is uniformly provided with several the 4th filter hole.

Further, the radial direction of the intermediate tube offer the first filter hole the inside for being positioned against the intermediate tube it is convex Out.

Further, what the radial direction of the upper layer guide post offered the second filter hole is positioned against the upper layer guide post Inside protrusion.

Further, the upper surface of the hang plate is set as the radial inclined surface gradually decreased from inside to outside, described to incline The lower surface of inclined plate is set as plane.

Further, the filtering of the filtering core of the lower end of the outer-hexagonal bolt and the top layer in the filtering core The first sealing ring is provided between the top of core shell body；The downside of the radial outer end of the porous filter plate and the filtering core shell The second sealing ring is provided between the upside of body；The downside of the radial inner end of the porous filter plate and the upper layer guide post Third sealing ring is provided between upside；It is set between the lower end surface of lower layer's guide post and the upper side of the bottom support plate It is equipped with the 4th sealing ring.

Further, the radial outside that the bottom surface of the bottom support plate is located at the liquid outlet is fixedly installed lifting lug, One end of clamp screw is hinged on the lifting lug, the other end of the clamp screw is threaded with clamp, the clamp On be fixedly connected with hanging ring.

Further, the radial outside that the top surface of the bottom support plate is located at the filters pressing tank body is fixedly installed card Seat, is provided with O-ring between the bottom surface of the deck and the top surface of the bottom support plate.

Further, the radial outer end of the deck is protruding upward is provided with lower clamp, the radial inner ends of the clamp to Lower protrusion is provided with upper chuck, and the upper chuck is set to the radially inner side of the lower clamp.

Further, stabilizer blade and fagging are provided with below the bottom support plate.

Further, the upper layer guide post includes guiding upper end and guiding lower end, the diameter of the guiding upper end It is less than the radial dimension of the guiding lower end to size, the radially inner side that guiding lower end is protruded by being oriented to upper end is realized The connection of two neighboring upper layer guide post, the radial inner end position of the upper level filter net, porous filter plate and lower layer's filter screen In the radial outside for being oriented to upper end and it is located at the lower section for being oriented to lower end.

The beneficial effects of the utility model are:

(1) central tube uses integral forming, and whole section there is no the weld seam inner wall depressions that may cause by welding, between welding Gap, weld seam is uneven, and the problems such as difficult is examined in polishing, and there is no filtering dead angles not will lead to filtrate residual, to improve Filter precision and effect.

(2) filtering core is improved in filter effect by the way of several layers vertical stack, increases filtration barrel body diameter phase For increasing, cylinder highly cost is higher, makes set-up mode increase filtering that is more complicated, thus selecting the more filter layers of minor diameter The height of cylinder can reduce manufacture difficulty while guaranteeing filter effect, reduce manufacturing cost.

(3) radial direction of intermediate tube offers the inside protrusion for being positioned against intermediate tube of the first filter hole, so that into Enter intermediate tube self-filtering liquid to enter the liquid stream to be filtered of chamber to be easier adsorption coagulation in uphill process attached in the first filter hole It is close to be flowed into pure and turbid liquid filter chamber consequently facilitating passing through the first filter hole, and every position Jing Guo first filter hole is to be filtered Liquid stream realize it is primary shunt, make can to receive inside every layer of filtering core while reducing the rising resistance of liquid stream to be filtered to It filters liquid stream and realizes filtering, guarantee uniform filtering, improve filtering accuracy and effect.

(4) radial direction of upper layer guide post offers the inside protrusion for being positioned against upper layer guide post of the second filter hole, from And the liquid stream to be filtered for entering chamber into intermediate tube self-filtering liquid is made to be easier adsorption coagulation in uphill process first Filter hole, the second filter hole nearby consequently facilitating liquid stream to be filtered pass sequentially through the first filter hole, the second filter hole flow into it is pure and impure In liquid filter chamber, and every position Jing Guo first filter hole, the second filter hole liquid stream to be filtered realizes primary shunting, reduces Liquid stream to be filtered can be received by making while the rising resistance of liquid stream to be filtered inside every layer of filtering core realizes filtering, guarantees Uniform filtering improves filtering accuracy and effect, and furthermore the design is also convenient for the liquid to be filtered positioned at the second filter hole neighbouring position Stream smoothly enters in pure and turbid liquid filter chamber from the second filter hole.

(5) upper surface of hang plate is set as the radial inclined surface gradually decreased from inside to outside, and the lower surface of hang plate is set It is set to plane, the inclined surface of formation is convenient for after filtered filtrate falls into pure and turbid liquid outflow chamber from pure and turbid liquid filter chamber, Enter filtered fluid outflow after the 4th filter hole as the tilt angle of inclined surface flows down naturally and chamber and finally arranged through liquid outlet Out.

(6) top of the filtration core shell of the filtering core of the top layer in the lower end and filtering core of outer-hexagonal bolt it Between be provided with the first sealing ring, be provided with second between the downside of the radial outer end of porous filter plate and the upside of filtration core shell Sealing ring is provided with third sealing ring, lower layer between the downside of the radial inner end of porous filter plate and the upside of upper layer guide post It is provided with the 4th sealing ring between the lower end surface of guide post and the upper side of bottom support plate, effectively realizes empty inside filtering core Between seal, prevent filtrate from leaking, guarantee filter effect.

(7) radial outside that the bottom surface of bottom support plate is located at liquid outlet is fixedly installed lifting lug, is hinged on lifting lug One end of clamp screw, the other end of clamp screw are threaded with clamp, are fixedly connected with hanging ring on clamp, enable hanging ring Enough hinge joint rotations around clamp screw on lifting lug, convenient for hanging ring is adjusted to proper site realization to the folder of filter device It takes.

(8) radial outside that the top surface of bottom support plate is located at filters pressing tank body is fixedly installed deck, the bottom surface of deck with It is provided with O-ring between the top surface of bottom support plate, to guarantee that filters pressing tank interior seals.

(9) radial outer end of deck is protruding upward is provided with lower clamp, and the radial inner end of clamp is downwardly projecting to be provided with Clamp, upper chuck are set to the radially inner side of lower clamp, thus by the cooperation between upper and lower clamp, are not needing using hanging Hanging ring is fixed on to the outside of filters pressing tank body when ring.

(10) upper layer guide post includes guiding upper end and guiding lower end, is oriented to the radial dimension of upper end less than described It is oriented to the radial dimension of lower end, the radially inner side that guiding lower end is protruded by being oriented to upper end realizes that two neighboring upper layer is led Connection to column, the radial inner end of upper level filter net, porous filter plate and lower layer's filter screen are located at the radial direction of guiding upper end Outside and the lower section for being located at guiding lower end guarantee the stability being connected and fixed between filtering core adjacent layer.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a kind of structural schematic diagram of the stacked filter-pressing device in longitudinal direction of the utility model；

Fig. 2 is the schematic enlarged-scale view of filtering core in Fig. 1；

Fig. 3 is the schematic enlarged-scale view of lifting lug position in Fig. 1.

Specific embodiment

The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram, Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.

As shown in Figure 1-3, a kind of stacked filter-pressing device in longitudinal direction, filter-pressing device includes liquid inlet 1, liquid outlet 2, exhaust outlet 3 and filters pressing tank body 4, liquid inlet 1, liquid outlet 2 be located at the lower section of filters pressing tank body 4, exhaust outlet 3 is located at filters pressing tank body 4 Top, and liquid outlet 2 is in the outside for being radially located at liquid inlet 1 of filters pressing tank body 4, liquid inlet 1 and liquid outlet 2 respectively with filters pressing The inside of tank body 4 is connected to；

Liquid inlet 1 is connect with the bottom end of intermediate tube 6, and the tube body of intermediate tube 6 passes through position after 4 bottom support plate 5 of filters pressing tank body In the inside of filters pressing tank body 4, the top of intermediate tube 6 is sealed by outer-hexagonal bolt 7, and central tube uses integral forming, and whole section There is no the weld seam inner wall depressions that may cause by welding, and welded gaps, weld seam is uneven, and the problems such as difficult is examined in polishing, There is no filtering dead angles not will lead to filtrate residual, to improve filtering accuracy and effect；

The radial outside that intermediate tube 6 is located at the part of the inside of filters pressing tank body 4 is provided with several layers filtering core, filters Core is improved in filter effect by the way of several layers vertical stack, and it is high relative to cylinder is increased to increase filtration barrel body diameter It spends that cost is higher, production is more complicated, thus the set-up mode of the more filter layers of minor diameter is selected to increase the height of filtration barrel body, it can be with While guaranteeing filter effect, manufacture difficulty is reduced, reduces manufacturing cost；Undermost filtration core in several layers filtering core Body is supported in bottom support plate 5 by lower layer's guide post 8 and lower section isolation board 11, passes through position between adjacent two layers filtering core It is supported in the upper layer guide post 9 of 6 radial outside of intermediate tube, every layer of filtering core is internally provided with the pure and turbid liquid filtering being located above The radial outside that chamber B and underlying pure and turbid liquid flow out chamber C, pure and turbid liquid filter chamber B and pure and turbid liquid outflow chamber C passes through filtration core Shell 10 seals, and hang plate 12 is provided with below pure and turbid liquid outflow chamber C, between pure and turbid liquid filter chamber B and pure and turbid liquid outflow chamber C It passes sequentially through upper level filter net 13, porous filter plate 14 and lower layer's filter screen 15 and realizes mutual fluid communication, it is to be filtered Liquid stream is successively passed through upper level filter net 13, porous filter plate 14 and lower layer's filter screen 15 and is filtered, and after multiple filtration, protects Filtering accuracy and effect are demonstrate,proved, and respectively seperated design is convenient for for upper level filter net 13, porous filter plate 14 and lower layer's filter screen 15 Later period disassembly and cleaning；

On the axial position that intermediate tube 6 is located at pure and turbid liquid filter chamber B, if being offered along the radially uniform of intermediate tube 6 Dry the first filter hole 61；On the axial position that upper layer guide post 9 is located at pure and turbid liquid filter chamber B, along upper layer guide post 9 Radial correspondence is uniformly provided with several the second filter hole 91；Porous filter plate 14 be radially uniformly provided with several Three filter hole 141；On the axial position that filtration core shell 10 is located at pure and turbid liquid outflow chamber C, along the diameter of filtration core shell 10 Several the 4th filter hole 101 are uniformly provided with to correspondence.

4 internal gas of filters pressing tank body is extracted out by exhaust outlet 3 and makes 4 internal negative pressure of filters pressing tank body, so as to be filtered Liquid stream by liquid inlet 1 enter intermediate tube 6 inside filtered fluid enter in chamber A, liquid stream to be filtered filtered fluid enter in chamber A by Gradually rise and in uphill process successively by the first filter hole 61 on intermediate tube 6, the second filter hole in upper layer guide post 9 91 enter in pure and turbid liquid filter chamber B, then pass sequentially through upper level filter net 13, the third opened up on porous filter plate 14 filtering Hole 141 and lower layer's filter screen 15 are entered after filtering in pure and turbid liquid outflow chamber C, and as the upper surface of hang plate 12 flows through 4th filter hole 101 enters in filtered fluid outflow chamber D, and is discharged after finally collecting from liquid outlet 2.

Specifically, the radial direction of intermediate tube 6 offers the inside protrusion for being positioned against intermediate tube 6 of the first filter hole 61, from And the liquid stream to be filtered for entering chamber into intermediate tube self-filtering liquid is made to be easier adsorption coagulation in uphill process first Filter hole nearby flows into pure and turbid liquid filter chamber consequently facilitating passing through the first filter hole, and every position Jing Guo first filter hole It sets liquid stream to be filtered and realizes primary shunting, make inside every layer of filtering core all while reducing the rising resistance of liquid stream to be filtered Liquid stream to be filtered can be received and realize filtering, guarantee uniform filtering, improve filtering accuracy and effect.

Specifically, the radial direction of upper layer guide post 9 offers the inside for being positioned against upper layer guide post 9 of the second filter hole 91 Protrusion, so that being easier adsorption coagulation in uphill process into the liquid stream to be filtered that intermediate tube self-filtering liquid enters chamber Consequently facilitating liquid stream to be filtered passes sequentially through the first filter hole, the second filter hole stream near the first filter hole, the second filter hole Enter in pure and turbid liquid filter chamber, and every position Jing Guo first filter hole, the second filter hole liquid stream to be filtered realizes primary point Stream, liquid stream to be filtered can be received inside every layer of filtering core by, which making while reducing the rising resistance of liquid stream to be filtered, realized Filter guarantees uniform filtering, improve filtering accuracy and effect, furthermore the design be also convenient for positioned at the second filter hole neighbouring position to Filtering liquid stream smoothly enters in pure and turbid liquid filter chamber from the second filter hole.

Specifically, the upper surface of hang plate 12 is set as the radial inclined surface gradually decreased from inside to outside, hang plate 12 Lower surface is set as plane, and the inclined surface of formation is convenient for falling into pure and turbid liquid outflow from pure and turbid liquid filter chamber by filtered filtrate After in chamber, enter filtered fluid outflow chamber after the 4th filter hole and finally through going out as the tilt angle of inclined surface flows down naturally The discharge of liquid mouth；As a further preference, the upper surface inclination degree of the hang plate 12 is designed as 5-10 degree.

Specifically, the filtration core shell 10 of the filtering core of the top layer in the lower end and filtering core of outer-hexagonal bolt 7 Top between be provided with the first sealing ring 16；The downside of the radial outer end of porous filter plate 14 and the upside of filtration core shell 10 Between be provided with the second sealing ring 17；It is set between the downside of the radial inner end of porous filter plate 14 and the upside of upper layer guide post 9 It is equipped with third sealing ring 18；The 4th sealing ring is provided between the lower end surface of lower layer's guide post 8 and the upper side of bottom support plate 5 19, it effectively realizes the sealing of filtering core inner space, prevents filtrate from leaking, guarantee filter effect.

Specifically, the radial outside that the bottom surface of bottom support plate 5 is located at liquid outlet 2 is fixedly installed lifting lug 21, in lifting lug One end of clamp screw 22 is hinged on 21, the other end of clamp screw 22 is threaded with clamp 23, fixed company on clamp 23 It is connected to hanging ring 25, hanging ring is rotated around hinge joint of the clamp screw on lifting lug, convenient for hanging ring to be adjusted to properly Realize the clamping to filter device in position.

Specifically, the radial outside that the top surface of bottom support plate 5 is located at filters pressing tank body 4 is fixedly installed deck 24, deck It is provided with O-ring 20 between 24 bottom surface and the top surface of bottom support plate 5, to guarantee that filters pressing tank interior seals.

Specifically, the radial outer end of deck 24 is protruding upward is provided with lower clamp 241, and the radial inner end of clamp 23 is downwardly convex It is provided with upper chuck 231 out, upper chuck 231 is set to the radially inner side of lower clamp 241, thus by between upper and lower clamp Hanging ring, the outside of filters pressing tank body is fixed on when not needing using hanging ring by cooperation.

Specifically, the lower section of bottom support plate 5 is provided with stabilizer blade 26 and fagging 27, to be used to support filters pressing tank body 4.

Specifically, upper layer guide post 9 includes guiding upper end 92 and guiding lower end 93, is oriented to the radial ruler of upper end 92 The very little radial dimension for being less than guiding lower end 93, the radially inner side that guiding lower end 93 is protruded by being oriented to upper end 92 realize phase The connection of adjacent two upper layer guide posts 9, the radial inner end of upper level filter net 13, porous filter plate 14 and lower layer's filter screen 15 Positioned at the radial outside for being oriented to upper end 92 and positioned at the lower section of guiding lower end 93, guarantee between filtering core adjacent layer The stability being connected and fixed.

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims (10)

1. a kind of stacked filter-pressing device in longitudinal direction, it is characterised in that: the filter-pressing device include liquid inlet (1), liquid outlet (2), Exhaust outlet (3) and filters pressing tank body (4), the liquid inlet (1), liquid outlet (2) are located under the filters pressing tank body (4) Side, the exhaust outlet (3) is located at the top of the filters pressing tank body (4), and the liquid outlet (2) is in the filters pressing tank body (4) Radially be located at the outside of the liquid inlet (1), the liquid inlet (1) and the liquid outlet (2) respectively with the filters pressing tank body (4) inside connection；

The liquid inlet (1) connect with the bottom end of intermediate tube (6), and the tube body of the intermediate tube (6) passes through filters pressing tank body (4) bottom Support plate (5) is located at the inside of filters pressing tank body (4) afterwards, and the top of the intermediate tube (6) is sealed by outer-hexagonal bolt (7)；

The radial outside that the intermediate tube (6) are located at the part of the inside of the filters pressing tank body (4) is provided with several layers filtering Core, undermost filtering core passes through lower layer's guide post (8) and lower section isolation board (11) branch in the several layers filtering core It supports on bottom support plate (5), passes through the upper layer guide post positioned at intermediate tube (6) radial outside between adjacent two layers filtering core (9) it supports, every layer of filtering core is internally provided with the pure and turbid liquid filter chamber (B) being located above and the outflow of underlying pure and turbid liquid The radial outside of chamber (C), the pure and turbid liquid filter chamber (B) and pure and turbid liquid outflow chamber (C) is sealed by filtration core shell (10), institute It states and is provided with hang plate (12) below pure and turbid liquid outflow chamber (C), the pure and turbid liquid filter chamber (B) and the pure and turbid liquid flow out chamber (C) upper level filter net (13), porous filter plate (14) and lower layer's filter screen (15) are passed sequentially through between realizes stream between each other Body connection；

On the axial position that the intermediate tube (6) are located at the pure and turbid liquid filter chamber (B), along the diameter of the intermediate tube (6) To being uniformly provided with several the first filter hole (61)；

On the axial position that the upper layer guide post (9) is located at the pure and turbid liquid filter chamber (B), along the upper layer guide post (9) radial direction correspondence is uniformly provided with several the second filter hole (91)；

Several third filter hole (141) are radially uniformly provided in the porous filter plate (14)；

On the axial position that the filtration core shell (10) is located at pure and turbid liquid outflow chamber (C), along the filtering core shell The radial direction correspondence of body (10) is uniformly provided with several the 4th filter hole (101).

2. the stacked filter-pressing device in a kind of longitudinal direction according to claim 1, it is characterised in that: the diameter of the intermediate tube (6) It is protruded to the inside for being positioned against the intermediate tube (6) for offering the first filter hole (61).

3. the stacked filter-pressing device in a kind of longitudinal direction according to claim 1, it is characterised in that: the upper layer guide post (9) Radial direction offer the second filter hole (91) be positioned against the upper layer guide post (9) inside protrusion.

4. the stacked filter-pressing device in a kind of longitudinal direction according to claim 1, it is characterised in that: the hang plate (12) it is upper Surface is set as the radial inclined surface gradually decreased from inside to outside, and the lower surface of the hang plate (12) is set as plane.

5. the stacked filter-pressing device in a kind of longitudinal direction according to claim 1, it is characterised in that:

The filtration core shell (10) of the filtering core of the lower end and top layer in the filtering core of the outer-hexagonal bolt (7) Top between be provided with the first sealing ring (16)；

Is provided between the downside of the radial outer end of the porous filter plate (14) and the upside of the filtration core shell (10) Two sealing rings (17)；

Third is provided between the downside of the radial inner end of the porous filter plate (14) and the upside of the upper layer guide post (9) Sealing ring (18)；

The 4th sealing ring is provided between the lower end surface of lower layer's guide post (8) and the upper side of the bottom support plate (5) (19).

6. the stacked filter-pressing device in a kind of longitudinal direction according to claim 5, it is characterised in that: the bottom support plate (5) Bottom surface be located at the radial outside of the liquid outlet (2) and be fixedly installed lifting lug (21), be hinged with card on the lifting lug (21) The one end of screw (22) is clamped, the other end of the clamp screw (22) is threaded with clamp (23), solid on the clamp (23) Surely hanging ring (25) are connected with.

7. the stacked filter-pressing device in a kind of longitudinal direction according to claim 6, it is characterised in that: the bottom support plate (5) Top surface be located at the radial outside of the filters pressing tank body (4) and be fixedly installed deck (24), the bottom surface of the deck (24) and institute It states and is provided with O-ring (20) between the top surface of bottom support plate (5).

8. the stacked filter-pressing device in a kind of longitudinal direction according to claim 7, it is characterised in that: the radial direction of the deck (24) Outer end is protruding upward to be provided with lower clamp (241), and the radial inner end of the clamp (23) is downwardly projecting to be provided with upper chuck (231), the upper chuck (231) is set to the radially inner side of the lower clamp (241).

9. the stacked filter-pressing device in a kind of longitudinal direction according to claim 1, it is characterised in that: the bottom support plate (5) Lower section be provided with stabilizer blade (26) and fagging (27).

10. the stacked filter-pressing device in a kind of longitudinal direction according to claim 1, it is characterised in that: the upper layer guide post (9) Including guiding upper end (92) and guiding lower end (93), the radial dimension of guiding upper end (92) is less than under the guiding The radial dimension of end (93) is realized two neighboring by the radially inner side that guiding upper end (92) protrudes into guiding lower end (93) The connection of upper layer guide post (9), the diameter of the upper level filter net (13), porous filter plate (14) and lower layer's filter screen (15) It is located at the radial outside of guiding upper end (92) to inner end and is located at the lower section of guiding lower end (93).