CN209771535U - Slurry balance shield device and residue filtering device for slurry balance shield device - Google Patents

Abstract

The utility model discloses a muddy water balance shield constructs device and is used for muddy water balance shield to construct filter residue device of device. The residue filtering device comprises a shell, and a residue slurry inlet, a residue cleaning port and a slurry outlet are formed in the shell; a grating net for screening the slag stones is fixedly arranged in the shell, the screening inlet side of the grating net is communicated with the slag cleaning port and the slag slurry inlet, and the screening outlet side of the grating net is communicated with the slurry outlet; a spiral shaft is further arranged on the screening inlet side of the grid net in the shell and connected to a driving mechanism, and the driving mechanism can drive the spiral shaft to rotate so that the spiral shaft pushes the material on the screening inlet side of the grid net towards the slag removal port. The slag slurry in the grid mesh can be kept in a motion state through the rotation of the spiral shaft, the possibility of adhesion of the slag slurry and the grid mesh can be reduced, and the slag slurry can be effectively prevented from blocking the grid mesh; meanwhile, as the spiral blades of the spiral shaft have a propelling function, the slag removing efficiency is favorably improved, and the automatic slag discharging is realized.

Description

slurry balance shield device and residue filtering device for slurry balance shield device

Technical Field

The utility model relates to a tunnel shield constructs machine and digs construction technical field, in particular to muddy water balance shield constructs device and is used for muddy water balance shield to construct filter residue device of device

Background

With the development of shield construction technology, the slurry shield in the shield tunneling machine is generally applied to tunnel engineering with higher requirements on river crossing, sea crossing and settlement due to the excellent pressure control performance of the slurry shield. The construction characteristics of the slurry shield determine the special requirements of the slurry shield on the slag slurry in the tunneling process, wherein the requirements on the particle size of the slag block are particularly strict.

At present in actual tunnelling construction, in order to prevent that follow-up row's thick liquid pipeline of great particle size cinder from blockking up, damage the mud pump etc. all carried out the quarrying filter residue operation, what the tradition adopted is that built-in fixed grid net formula quarrying case, because the grid net is fixed motionless, be difficult to sieve the slabstone in the big slabstone of viscosity, lead to the quarrying case self grid to block up easily, and the slabstone needs the manual work to clear out on the fixed grid net, influences row's thick liquid and efficiency of construction.

Therefore, how to provide the possibility of reducing the blockage of the grid mesh and improving the slag removal efficiency is a technical problem which needs to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a filter residue device for muddy water balance shield constructs device can reduce the possibility that grid net blockked up, improves the scarfing cinder efficiency. Another object of the utility model is to provide a balanced shield of muddy water constructs device including above-mentioned residue filter device can reduce the possibility that grid net blockked up, improves scarfing cinder efficiency.

in order to achieve the above object, the utility model provides a following technical scheme:

A residue filtering device for a slurry balance shield device comprises a shell, wherein the shell is provided with a slurry inlet, a slag removing port and a slurry outlet; a grid net for screening slag stones is fixedly arranged in the shell, the screening inlet side of the grid net is communicated with the slag cleaning port and the slag slurry inlet, and the screening outlet side of the grid net is communicated with the slurry outlet; the shell is characterized in that a spiral shaft is further arranged on the screening inlet side of the grid net and connected to a driving mechanism, and the driving mechanism can drive the spiral shaft to rotate so that the spiral shaft pushes materials on the screening inlet side of the grid net towards the slag removal port.

Preferably, the grid net is a cylindrical structure with openings at two ends in the axial direction, one end of the grid net is used for entering slurry, the other end of the grid net is used for discharging slag stones in the grid net, and the outer edge of the spiral blade of the spiral shaft is attached to the grid net.

Preferably, a limiting plate is arranged at the first axial end in the shell, the limiting plate is fixed between the shell and the grid net, and a temporary storage groove is formed between the limiting plate and the shell; the slag removing port and the slurry outlet are arranged at the first end of the shell, the slag removing port and the slurry outlet are respectively arranged at two sides of the limiting plate, and materials flowing out from the screening inlet side of the grid net can pass through the temporary storage groove to enter the slag removing port.

Preferably, the grid net with it prevents the rotating plate to fix between the shell, prevent that two parallel sides on the rotating plate with two parallel wall parts on the shell inner wall correspond the laminating, in order to avoid the grid net rotates.

Preferably, the screening outlet side of the grid net is provided with a slurry guide plate, and the slurry guide plate can guide screened slurry to the slurry outlet by using gravity.

Preferably, a slag stone guide plate is arranged between the grid net and the slag removing port, and the slag stone guide plate can guide screened slag stones to the slag removing port by utilizing gravity.

Preferably, the axis of the slag removal port is perpendicular to the axis of the slurry outlet.

Preferably, the housing is provided with a viewing window.

Preferably, the housing includes a housing base and a housing top cover detachably fixed to the housing base, and an inner space of the housing is formed between the housing base and the housing top cover.

A muddy water balance shield device comprises the residue filtering device.

The utility model provides a residue filtering device for a slurry balance shield device, which comprises a shell, wherein the shell is provided with a slurry inlet, a slag removing port and a slurry outlet; a grating net for screening the slag stones is fixedly arranged in the shell, the screening inlet side of the grating net is communicated with the slag cleaning port and the slag slurry inlet, and the screening outlet side of the grating net is communicated with the slurry outlet; a spiral shaft is further arranged on the screening inlet side of the grid net in the shell and connected to a driving mechanism, and the driving mechanism can drive the spiral shaft to rotate so that the spiral shaft pushes the material on the screening inlet side of the grid net towards the slag removal port.

the slag slurry in the grid mesh can be kept in a motion state through the rotation of the spiral shaft, the possibility of adhesion of the slag slurry and the grid mesh can be reduced, the grid mesh can be effectively prevented from being blocked by the slag slurry, and the problem that the traditional slag filtering device is easy to block per se is well solved; meanwhile, as the spiral blades of the spiral shaft have a propelling effect, the spiral shaft can push the slag left on the screening inlet side of the grid net towards the slag removal port from the slag slurry inlet in the rotating process, the slag removal efficiency is improved without manual opening and slag removal at variable times, the automatic slag removal is realized, the requirement of stone mining and slag removal is met, meanwhile, the normal tunneling of the shield is not influenced, and the shield efficiency is improved.

The utility model provides a balanced shield of muddy water constructs device including above-mentioned filter residue device can reduce the possibility that the grid net blockked up, improves scarfing cinder efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 schematically shows a schematic axial side structure diagram of a residue filtering device for a slurry balance shield device according to the present invention;

Fig. 2 schematically shows a side view of the residue filtering device for the slurry balance shield device of the present invention;

3 FIG. 3 3 3 is 3 a 3 schematic 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 2 3; 3

Fig. 4 schematically shows a structural schematic diagram of a housing base of the residue filtering device for the slurry balance shield device of the present invention, and the dotted line is a perspective structure;

FIG. 5 is a schematic cross-sectional view B-B of FIG. 4;

fig. 6 schematically shows a schematic top view of a housing base of a residue filtering device for a slurry balance shield apparatus according to the present invention;

Fig. 7 schematically shows a structural schematic diagram of a housing top cover of the residue filtering device for the slurry balance shield device of the present invention;

Fig. 8 schematically shows a schematic structural view of a grid net of a residue filtering device for a slurry balance shield device according to the present invention;

fig. 9 schematically shows a schematic structural view of the screw shaft of the residue filtering device for the slurry balance shield device of the present invention;

Fig. 10 schematically shows the utility model discloses a sediment thick liquid flow direction schematic diagram that is used for the filter residue device of mud water balance shield structure device, and solid arrow is the flow direction of mud, and hollow arrow is the flow direction of ballast, and the dotted line is the structure of perspective part.

In fig. 1 to 10:

1-shell, 11-observation window, 12-shell top cover, 13-shell base, 14-bolt group, 15-lower bearing mounting seat, 16-limiting plate, 17-slurry guide plate, 18-positioning ring, 19-slag stone guide plate, 110-positioning groove, 111-upper bearing mounting seat, 112-first side plate, 113-second side plate, 114-third side plate, 2-slag slurry inlet pipe, 3-slurry outlet pipe, 4-grid net, 41-grid net end plate, 42-steel pipe, 43-grid net ring plate, 44-anti-rotation plate, 5-slag stone outlet pipe, 6-driving mechanism, 61-driving motor, 62-coupler, 7-spiral shaft, 71-spiral blade, 72-central shaft, 8-supporting device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a filter residue device for muddy water balance shield constructs device can reduce the possibility that grid net blockked up, improves scarfing cinder efficiency. The other core of the utility model is to provide a mud water balance shield constructs device including above-mentioned filter residue device, can reduce the possibility that the grid net blockked up, improve scarfing cinder efficiency.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the upper and lower parts and the like are the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. The axial direction, the circumferential direction, and the radial direction are based on the rotation axis of the screw shaft.

In a specific embodiment of a residue filtering device for a slurry balance shield device, please refer to fig. 1 to 10, which includes a housing 1, the housing 1 is provided with a slurry inlet, a slag removing port and a slurry outlet. Optionally, the slurry inlet can be butted with a slurry inlet pipe 2, the slurry outlet can be butted with a slurry outlet pipe 3, and the slag cleaning port can be butted with a slag outlet pipe 5.

A grid net 4 for screening the slag stones is fixedly arranged in the shell 1. The screening inlet side of the grid net 4 is communicated with the slag cleaning port and the slag slurry inlet, and the screening outlet side of the grid net 4 is communicated with the slurry outlet. The grid net 4 is provided with grids for sieving, the slag slurry to be sieved enters the sieving inlet side of the grid net 4, larger slag stones are remained at the sieving inlet side of the grid net 4 because the larger slag stones cannot pass through the grids of the grid net 4, and the slurry and/or the smaller slag stones pass through the grids of the grid net 4 and then enter the sieving outlet side of the grid net 4.

A screw shaft 7 is also arranged in the housing 1 on the screening inlet side of the grid net 4. The screw shaft 7 is connected to the driving mechanism 6, and the driving mechanism 6 can drive the screw shaft 7 to rotate, so that the screw shaft 7 pushes the grid net 4 to sieve the material on the inlet side towards the slag removing opening.

wherein, alternatively, the driving mechanism 6 may be a driving motor 61, and an output shaft of the driving motor 61 is fixedly connected with the central shaft 72 of the screw shaft 7. Of course, the driving mechanism 6 may also be a hydraulic cylinder or other driving means. Further, the driving mechanism 6 may be provided at either end of the screw shaft 7 as necessary.

Wherein, optionally, the grid net 4 may specifically comprise a grid net end plate 41, a steel pipe 42 and a grid net ring plate 43. As shown in fig. 8, the grid net end plate 41 is an annular structure, a plurality of steel pipes 42 are circumferentially arranged and welded on the grid net end plate 41, the steel pipes 42 may be steel pipes 42 with equal diameter and high strength, and then the grid net ring plate 43 is welded outside the steel pipes 42, so that the grid net 4 can be lightened while the strength of the grid net 4 is satisfied.

The residue filtering device can be particularly used for a slurry balance shield device and can be particularly used for a construction process for removing the residue of the slurry pipeline filter stone during construction. During tunneling, the larger-sized ballast in the slurry is filtered and sieved through the grids on the grid net 4, as shown in fig. 10, the slurry will be discharged from the sieving outlet side of the grid net 4, and the larger-sized ballast will remain on the sieving inlet side of the grid net 4.

The slag slurry in the grid mesh 4 can be kept in a motion state through the rotation of the spiral shaft 7, the possibility of adhesion of the slag slurry and the grid mesh 4 can be reduced, the slag slurry can be effectively prevented from blocking the grid mesh 4, and the problem that the traditional slag filtering device is easy to block per se is well solved; meanwhile, as the spiral blades 71 of the spiral shaft 7 have a propelling function, the spiral shaft 7 can push the slag remaining on the screening inlet side of the grid net 4 towards the slag removal port from the slag slurry inlet in the rotating process, so that the slag removal efficiency is improved without manual opening and slag removal at variable times, the automatic slag removal is realized, the requirement of quarrying and slag removal is met, meanwhile, the normal tunneling of the shield is not influenced, and the shield efficiency is improved.

On the basis of the above embodiment, as shown in fig. 8, the grid net 4 may be a cylindrical structure with two open ends in the axial direction, and one end is used for slurry to enter, and the other end is used for slag in the grid net 4 to discharge. The grid net 4 is set to be a cylindrical structure, and the position of slag slurry to be screened or slag stones to be screened can be restrained. In this embodiment, the screening inlet side of the grille net 4 is the inside of the cylinder of the grille net 4, and the screening outlet side of the grille net 4 is the outside of the cylinder of the grille net 4. Wherein, in actual use, the axial direction is substantially horizontal, and the grid net 4 mainly screens mud from the bottom thereof.

wherein, the radial section of the grille net 4 can be oval, round or other shapes.

Wherein, preferably, the outer edge of the helical blade 71 of the helical shaft 7 and the grid mesh 4 have a part which is jointed, and the jointed part can enable the helical blade 71 to directly scrape off the slurry attached on the inner wall of the grid mesh 4 in the rotating process. When the radial section of the grid mesh 4 is circular, the outer edge of the spiral blade 71 can be correspondingly arranged, so that the outer edge of the spiral blade 71 can be attached to the grid mesh 4 everywhere, and the normal rotation of the spiral shaft 7 is not influenced.

Of course, in other embodiments, the grille net 4 may also be flat or have other shapes.

On the basis of any of the above embodiments, a limit plate 16 may be disposed at a first end of the housing 1 in the axial direction, and the limit plate 16 is fixed between the housing 1 and the grid mesh 4. As shown in fig. 4 and 5, a temporary storage groove is formed between the limiting plate 16 and the housing 1. The slag removing port and the slurry outlet are both arranged at the first end of the shell 1 and are respectively arranged at two sides of the limiting plate 16, and materials flowing out of the screening inlet side of the grid net 4 can enter the slag removing port through the temporary storage groove. In addition, a slurry inlet is provided at a second end of the housing 1 in the axial direction.

Due to the blocking of the limiting plate 16, materials such as the slag and the like flowing out from the screening inlet side of the grid net 4 cannot flow into the screening outlet side of the grid net 4 to be mixed with the slurry after being discharged, and the separation effect of the slag and the slurry can be further improved. In addition, the limiting plate 16 can support and position the grid mesh 4. In the use process, the top end of the limiting plate 16 is fixedly supported at the bottom end of the grille net 4.

Wherein, the first end of each part in the axial direction is the same end, and the second end of each part in the axial direction is the same end.

Preferably, the limiting plate 16 may be a non-hollowed plate structure.

Wherein, optionally, a first end of the grille net 4 in the axial direction can be positioned by the limiting plate 16, and a second end can be positioned by a positioning ring 18 provided in the housing 1.

Optionally, the first end of the housing 1 in the axial direction may include a stepped plate, the stepped plate includes a first side plate 112 perpendicular to the axial direction, a second side plate 113 parallel to the axial direction, and a third side plate 114 perpendicular to the axial direction, the second side plate 113 is connected to the limiting plate 16, a temporary storage groove is formed in a space between the first side plate 112, the second side plate 113, and the limiting plate 16, and an axial distance between the first side plate 112 and the second end of the housing 1 is greater than an axial distance between the third side plate 114 and the second end of the housing 1. Through the setting of ladder board, can reduce the occupation space of shell 1.

On the basis of the above embodiment, the anti-rotation plate 44 can be fixedly arranged between the grid net 4 and the housing 1, two parallel side surfaces on the anti-rotation plate 44 are correspondingly attached to two parallel wall parts on the inner wall of the housing 1, and the anti-rotation plate 44 has no rotational freedom degree relative to the housing 1, so that the grid net 4 can be prevented from rotating, and the grid net 4 can be effectively prevented from rotating along with the screw shaft 7.

Wherein, alternatively, the rotation-preventing plate 44 may be fixed to the position-limiting plate 16.

On the basis of the above described embodiment, the screening outlet side of the grid net 4 may be provided with a mud guide plate 17, which mud guide plate 17 is able to guide the screened mud to the mud outlet by means of gravity.

As shown in fig. 3 and 4, in use, the slurry guide plate 17 is inclined in a substantially horizontal direction, and has a high-level end at a position close to the slurry inlet and a low-level end at a position close to the slurry outlet. This mud deflector 17 can lead to materials such as mud and the tiny particle slag stone of following grid net 4 row, is favorable to mud quick discharge mud export, can effectively avoid mud to pile up in shell 1 is inside. In addition, facilities such as a slurry pump and a slurry discharge pipeline are usually arranged outside the slurry outlet pipe 3 on the slurry outlet.

Alternatively, the slurry guide plate 17 may be a plate member separately provided inside the casing 1, or may be a plate member constituting a part of the casing 1.

On the basis of the above embodiment, a slag stone guide plate 19 can be further arranged between the grid net 4 and the slag cleaning port, and the slag stone guide plate 19 can guide the screened slag stone to the slag cleaning port by using gravity. As shown in fig. 5, when in use, the axial direction is approximately horizontal, and one end of the slag stone guide plate 19 close to the slag cleaning opening is a low-level end. Slag stone deflector 19 can lead between slag-removing hole and grid 4 to make the slag stone discharge from slag-removing hole fast, can effectively avoid the slag stone to pile up in shell 1 is inside.

Wherein, the incline direction of the slag stone guide plate 19 can be set according to the concrete position of the slag hole, as long as the low-position end is close to the slag hole when the slag removing device is used.

Wherein, the slag stone outlet pipe 5 can be further provided with auxiliary facilities for slag stone cleaning and discharging and the like. When in use, the slag stone outlet pipe 5 can be kept inclined, and one end far away from the slag cleaning port is a low end.

Optionally, the slag guide plate 19 may be a plate separately disposed inside the outer shell 1, or may form a part of the outer shell 1, and the slag guide plate 19 may be specifically directly disposed as the second side plate 113.

On the basis of any one of the above embodiments, the axial line of the slag removal port and the axial line of the slurry outlet can be vertically arranged. In addition, the slag removing opening and the slurry outlet are arranged in a staggered mode, so that the occupied space of the slag filtering device is saved, and the screened slurry and the screened slag stones are convenient to collect.

More specifically, as shown in fig. 5 and 6, at this time, the slag guide plate 19 is parallel to the axial direction of the grid net 4, and one end of the slag guide plate 19 away from the slag cleaning port is a high-level end, and one end close to the slag cleaning port is a low-level end. More specifically, in the axial direction, the slag guide plate 19 may be fixed to the limit plate 16 at one end and the housing 1 at the other end, and a space for temporarily storing the slag is defined by the housing 1, the slag guide plate 19 and the limit plate 16. Of course, in other embodiments, the slag hole and the slurry outlet may be substantially parallel, and in use, the end of the ballast guiding plate 19 near the grid mesh 4 is a high-level end, and the end near the slag hole is a low-level end.

On the basis of the above-mentioned embodiments, the housing 1 may be further provided with an observation window 11. When the residue filtering device works, a worker can observe the inside of the shell 1 in real time. The positions and the number of the observation windows 11 can be set according to actual needs.

On the basis of the above embodiment, the housing 1 may specifically include a housing base 13 and a housing top cover 12 detachably fixed to the housing base 13, and an internal space of the housing 1 is formed between the housing base 13 and the housing top cover 12, so as to facilitate assembly of the components such as the grille net 4 and the like with the housing 1. Preferably, in order to mount the screw shaft 7, the combining surface of the housing top cover 12 and the housing base 13 can be provided with a bearing upper mounting seat 111 and a bearing lower mounting seat 15 which are matched.

On the basis of the above embodiment, the residue filtering device may further include a supporting device 8 for supporting at the bottom of the housing 1, the supporting device 8 is connected with the housing 1, and the supporting device 8 may be specifically a supporting frame formed by connecting a plurality of rod bodies.

When the residue filtering device for the slurry balance shield device provided by the embodiment works, the driving motor 61 is started to enable the screw shaft 7 to rotate, residue slurry discharged from an excavation cabin enters the residue filtering device through the residue slurry inlet, small-particle residue stones and slurry fall onto the slurry guide plate 17 through the grid net 4, and finally the slurry is discharged through the slurry outlet pipe 3; the slag stones with larger grain diameters are firstly discharged onto the slag stone guide plate 19 under the driving of the rotating spiral shaft 7, are guided by the slag stone guide plate 19 and then enter the slag stone outlet pipe 5 to be discharged, and finally are discharged by auxiliary facilities such as slag stone cleaning and discharging.

Except that the aforesaid is used for the filter residue device of muddy water balance shield structure device, the utility model also provides a muddy water balance shield structure device, this muddy water balance shield structure device include the filter residue device, specifically can be the filter residue device that provides in the above arbitrary embodiment, and each embodiment above beneficial effect can corresponding reference. The structure of other parts of the slurry balance shield device refers to the prior art, and is not described herein again.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a slurry balance shield constructs device and is used for slurry balance shield to construct filter residue device of device and has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The residue filtering device for the slurry balance shield device is characterized by comprising a shell (1), wherein a slurry inlet, a slag removing port and a slurry outlet are formed in the shell (1); a grid net (4) for screening slag stones is fixedly arranged in the shell (1), the screening inlet side of the grid net (4) is communicated with the slag cleaning port and the slag slurry inlet, and the screening outlet side of the grid net (4) is communicated with the slurry outlet; the screening inlet side of the grid net (4) is also provided with a spiral shaft (7) in the shell (1), the spiral shaft (7) is connected to a driving mechanism (6), and the driving mechanism (6) can drive the spiral shaft (7) to rotate so that the spiral shaft (7) faces towards the slag removal port to push materials on the screening inlet side of the grid net (4).

2. the residue filtering device according to claim 1, wherein the grid net (4) is a cylindrical structure with two open ends in the axial direction, one end of the grid net is used for entering slurry, the other end of the grid net is used for discharging slag stones in the grid net (4), and the outer edge of the spiral blade (71) of the spiral shaft (7) and the grid net (4) have a part which is attached to each other.

3. A residue filtering device according to claim 1, characterized in that a limiting plate (16) is arranged at a first axial end in the housing (1), the limiting plate (16) is fixed between the housing (1) and the grille net (4), and a temporary storage groove is formed between the limiting plate (16) and the housing (1); the slag removing port and the slurry outlet are arranged at the first end of the shell (1), the slag removing port and the slurry outlet are respectively arranged at two sides of the limiting plate (16), and materials flowing out from the screening inlet side of the grating net (4) can enter the slag removing port through the temporary storage groove.

4. A residue filtering device according to claim 1, characterized in that an anti-rotation plate (44) is fixedly arranged between the grid net (4) and the housing (1), and two parallel side surfaces of the anti-rotation plate (44) are correspondingly attached to two parallel wall parts of the inner wall of the housing (1) so as to prevent the grid net (4) from rotating.

5. Residue filtering device according to claim 1, characterized in that the screening outlet side of the grid net (4) is provided with a slurry guide plate (17), which slurry guide plate (17) is capable of guiding screened slurry towards the slurry outlet by means of gravity.

6. A residue filtering device according to claim 1, characterized in that a slag guiding plate (19) is arranged between the grid net (4) and the slag removing opening, and the slag guiding plate (19) can guide the screened slag to the slag removing opening by using gravity.

7. a slag filter arrangement according to any one of claims 1 to 6, characterized in that the axis of the slag removal opening is perpendicular to the axis of the slurry outlet.

8. A residue filtering device according to any one of claims 1-6, characterized in that the housing (1) is provided with a viewing window (11).

9. A filter residue device according to any of the claims 1-6, characterized in that the housing (1) comprises a housing base (13) and a housing top cover (12) detachably fixed to the housing base (13), an inner space of the housing (1) being formed between the housing base (13) and the housing top cover (12).

10. A slurry balance shield apparatus comprising a residue filtration apparatus according to any one of claims 1 to 9.