CN219579993U - Top pressurized vertical geotechnical pipe bag filter pressing device - Google Patents

Abstract

The utility model discloses a top-pressurized vertical geotechnical pipe bag filter pressing device, which comprises a filter pressing assembly and a vertical supporting assembly, wherein the filter pressing assembly comprises a geotechnical pipe bag, a pressurizing mechanism and an elastic bag body, the geotechnical pipe bag is provided with a grouting port, and the elastic bag body is provided with an avoidance hole; the vertical supporting component is used for vertically supporting the geotechnical pipe bag and is provided with a filter pressing cavity and a drainage system; the geotechnical pipe bag and the elastic bag body are respectively arranged in the filter pressing cavity, and the elastic bag body is arranged between the top wall of the geotechnical pipe bag and the top wall of the filter pressing cavity; the grouting opening and the avoiding hole are correspondingly positioned at the top of the geotechnical pipe bag; the pressurizing mechanism is communicated with the inside of the elastic bag body so as to increase the internal pressure of the elastic bag body, and the drainage system is communicated to the filter pressing chamber so as to drain the filtrate in the filter pressing chamber. Under the extrusion action of the elastic bag body and the self gravity of the slurry and the action of the drainage system, the slurry in the geotechnical pipe bag is rapidly dehydrated, and the dehydration efficiency is high, so that the dregs in the slurry can be recovered conveniently.

Description

Top pressurized vertical geotechnical pipe bag filter pressing device

Technical Field

The utility model relates to the technical field of engineering instruments, in particular to a top-pressurized vertical geotechnical tube bag filter pressing device.

Background

With the large-scale development of water conservancy and water environment management projects in China, a large amount of dredging mud is generated each year. At present, the existing slurry treatment method is to fill the geotechnical pipe bags with slurry by using a pump pipe, then lie the geotechnical pipe bags on the ground, and water in the slurry seeps out of the geotechnical pipe bags due to gravity, so that the water in the slurry is filtered out, and the soil in the slurry is agglomerated into slag. However, the prior art has the problems of low dehydration speed, low slurry treatment efficiency and large occupied area.

Disclosure of Invention

The utility model aims to provide a quick-dehydration vertical geotechnical pipe bag filter pressing device, which solves the problems of low dehydration speed, low mud treatment efficiency and large occupied area in the prior art.

To achieve the purpose, the utility model adopts the following technical scheme: the top pressurized vertical geotechnical pipe bag filter pressing device comprises a filter pressing assembly and a vertical supporting assembly, wherein the filter pressing assembly comprises a geotechnical pipe bag, a pressurizing mechanism and an elastic bag body, the geotechnical pipe bag is provided with a grouting opening, and the elastic bag body is provided with an avoidance hole; the vertical supporting component is used for vertically supporting the geotechnical pipe bag and is provided with a filter pressing cavity and a drainage system; the geotechnical pipe bag and the elastic bag body are respectively arranged in the filter pressing cavity, and the elastic bag body is arranged between the top wall of the geotechnical pipe bag and the top wall of the filter pressing cavity; the grouting opening is positioned at the top of the geotechnical pipe bag corresponding to the avoidance hole; the pressurizing mechanism is communicated with the inside of the elastic bag body so as to increase the internal pressure of the elastic bag body, and the drainage system is communicated with the filter pressing chamber so as to drain filtrate in the filter pressing chamber.

Optionally, the vertical support assembly comprises a bracket, a cylinder body with two open ends, a top end cover and a bottom sealing plate, wherein the cylinder body is vertically or obliquely arranged on the bracket; the top end cover is connected with the bracket and positioned at the top end of the cylinder; the bottom sealing plate is connected with the bracket and is positioned at the bottom end of the cylinder; the top end cover, the bottom sealing plate and the side wall of the cylinder body enclose the filter pressing cavity, and the geotechnical pipe bag is arranged in the filter pressing cavity along the length direction of the cylinder body.

Optionally, the geotechnical pipe bag is provided with a slag discharging port, the slag discharging port is positioned at the bottom of the geotechnical pipe bag, and the slag discharging port penetrates through the bottom sealing plate.

Optionally, the top end cover includes a first fixed cover plate, a second fixed cover plate and a movable cover plate, where the first fixed cover plate and the second fixed cover plate are fixedly connected with the bracket respectively, the movable cover plate is disposed on the first fixed cover plate and the second fixed cover plate, one side of the movable cover plate is hinged to the first fixed cover plate, and the other side of the movable cover plate is lockable connected with the second fixed cover plate.

Optionally, the bracket is provided with a containing channel, and the cylinder is arranged in the containing channel.

Optionally, a guardrail is arranged at the top of the bracket.

Optionally, the drainage system comprises a drainage hole and a drainage groove, wherein the drainage groove is arranged on the wall surface of the filter pressing chamber in a relatively concave manner, and the drainage hole is arranged on the bottom wall of the drainage groove.

Optionally, the pressurizing mechanism includes an injection device, a safety instrument and a pipeline control valve, the injection device is communicated into the elastic bag body through a pipeline, and the safety instrument and the pipeline control valve are respectively arranged on the pipeline of the injection device connected with the elastic bag body.

Optionally, the filter pressing device further comprises a slurry storage container, a slurry adjusting container and a slurry pumping mechanism, wherein the slurry storage container is communicated with the slurry adjusting container through a pipeline, and the slurry pumping mechanism is used for pumping slurry in the slurry adjusting container into the geotechnical pipe bag.

Optionally, a first filter screen and a second filter screen are sequentially arranged below the slag discharging port from top to bottom, and the mesh aperture of the first filter screen is larger than that of the second filter screen.

In the present utility model, the internal pressure of the elastic bladder is increased by the pressurizing mechanism. The elastic bladder expands as the internal pressure increases. Under the limiting action of the side wall and the top wall of the filter pressing cavity, the expanded elastic bag body downwards extrudes the geotechnical pipe bag, so that the effect of reducing the volume of the geotechnical pipe bag is achieved. The mud in the geotechnical pipe bag is pressed and filtered to obtain water in the mud under the action of the extrusion of the elastic bag body and the gravity of the mud. The water filtered by the geotechnical pipe bags is discharged outside the filter pressing cavity through the drainage system, so that the geotechnical pipe bags are prevented from being soaked in the water. Under the extrusion action of the elastic bag body and the self gravity of the slurry and the action of the drainage system, the slurry in the geotechnical pipe bag is rapidly dehydrated, and the dehydration efficiency is high, so that the dregs in the slurry can be recovered conveniently. The elastic bag body and the mud self gravity extrude water in the mud in the same direction, and the filter pressing effect is good.

It is worth noting that the grouting port is used for injecting external slurry into the geotechnical pipe bag. According to the embodiment, the avoidance holes are formed in the elastic bag body, so that the pipeline penetrates through the elastic bag body and is connected to the grouting opening, mud can enter the geotechnical pipe bag from top to bottom, the gravity and impact force can be fully utilized to filter out water in the mud, preliminary filter pressing is achieved, and filter pressing efficiency is improved.

Drawings

FIG. 1 is a schematic view showing a state in which an elastic bladder body presses a geotextile tube bag according to one embodiment of the present utility model;

FIG. 2 is a schematic illustration of an elastic bladder in an uncompressed geotextile tube bag according to one embodiment of the present utility model;

FIG. 3 is a schematic top view of an elastomeric bladder according to one embodiment of the utility model;

FIG. 4 is a schematic cross-sectional view of a cartridge according to one embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the top end cap of one embodiment of the present utility model;

FIG. 6 is a schematic diagram of a piping system according to one embodiment of the present utility model;

in the accompanying drawings: 100-filter pressing components, 110-geotechnical pipe bags, 111-grouting ports, 112-slag discharging ports, 120-pressurizing mechanisms, 121-injection equipment, 122-safety instruments, 123-pipeline control valves, 130-elastic bags, 131-avoiding holes, 200-vertical supporting components, 210-filter pressing chambers, 220-drainage systems, 221-drainage holes, 222-drainage grooves, 230-brackets, 231-accommodating channels, 240-cylinders, 250-top end covers, 251-first fixed cover plates, 252-second fixed cover plates, 253-movable cover plates, 260-bottom sealing plates, 300-slurry storage containers, 400-slurry adjusting containers and 500-slurry pumping mechanisms.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Referring to fig. 1-6, a top pressurized vertical geotechnical pipe bag filter pressing device of the present embodiment includes a filter pressing assembly 100 and a vertical support assembly 200, wherein the filter pressing assembly 100 includes a geotechnical pipe bag 110, a pressurizing mechanism 120 and an elastic bag body 130, the geotechnical pipe bag 110 is provided with a grouting opening 111, and the elastic bag body 130 is provided with a avoiding hole 131. The vertical support assembly 200 is used for vertically supporting the geotechnical pipe bag 110, and the vertical support assembly 200 is provided with a filter pressing chamber 210 and a drainage system 220. The geotextile bag 110 and the elastic bag 130 are respectively disposed in the press filtration chamber 210, and the elastic bag 130 is disposed between a top wall of the geotextile bag 110 and a top wall of the press filtration chamber 210. The grouting port 111 is located at the top of the geotechnical pipe bag 110 corresponding to the escape hole 131. The pressurizing mechanism 120 communicates with the inside of the elastic bladder 130 to increase the internal pressure of the elastic bladder 130, and the drainage system 220 communicates with the press filtration chamber 210 to drain the filtrate in the press filtration chamber 210.

In the present utility model, the internal pressure of the elastic bladder 130 is increased by the pressurizing mechanism 120. The elastic balloon 130 expands due to the increase of the internal pressure. Under the limiting action of the side wall and the top wall of the filter pressing chamber 210, the expanded elastic bag body 130 presses the geotechnical pipe bag 110 downwards, so that the effect of reducing the volume of the geotechnical pipe bag 110 is achieved. The mud in the geotechnical pipe bag 110 is pressed and filtered to remove water in the mud under the extrusion action of the elastic bag body 130 and the gravity of the mud. The water filtered by the geotechnical pipe bag 110 is discharged out of the filter pressing chamber 210 through the drainage system 220 so as to prevent the geotechnical pipe bag 110 from being soaked in the water. Under the extrusion action of the elastic bag body 130 and the self gravity of the slurry and the action of the drainage system 220, the slurry in the geotechnical pipe bag 110 is rapidly dehydrated, and the dehydration efficiency is high, so that the residue soil in the slurry can be recovered conveniently. It should be noted that the elastic bag 130 extrudes the water in the slurry in the same direction as the slurry gravity, so that the filter pressing effect is good.

It should be noted that the grouting port 111 is used for injecting external slurry into the geotextile tube bag 110. In this embodiment, the avoidance hole 131 is formed in the elastic bag body 130, so that the pipe penetrates through the elastic bag body 130 and is connected to the grouting opening 111, so that mud enters the geotechnical pipe bag 110 from top to bottom, and the water in the mud can be filtered out by fully utilizing gravity and impact force, so that preliminary filter pressing is realized, and the filter pressing efficiency is improved.

The geotextile bag 110 is a tubular geotextile bag with a filtering structure woven from high-tenacity polypropylene yarns. The mud loaded in the geotextile tube 110 is discharged outside the geotextile tube from the filtering structure of the geotextile tube 110 due to the gravity and/or pressure. The water in the slurry is filtered out, so that the dregs in the slurry stay in the geotechnical pipe bag 110, and the dregs in the slurry are recovered.

The pressurizing mechanism 120 is a component that can increase or decrease the internal pressure of the elastic bag 130 by introducing gas or liquid into the elastic bag 130.

The elastic balloon 130 is a balloon that can be expanded and deformed when the internal pressure is higher than the external pressure, and can be contracted and deformed when the external pressure is higher than the internal pressure. In particular, the elastic bladder 130 may be a bladder or inflatable mandrel made of flexible rubber.

The drainage system 220 is a system that can drain the filtrate in the press filtration chamber 210. Specifically, the drainage system 220 may be formed by a plurality of drainage holes 221 communicating with the filter pressing chamber 210 and the outside. The drainage system 220 may be a drainage assembly comprising a drainage pipe and a centrifugal pump, wherein one end of the drainage pipe is connected to the filter-pressing chamber 210, the other end of the drainage pipe is connected to the input end of the centrifugal pump, the output end of the centrifugal pump is arranged outside the filter-pressing chamber 210, and the filtrate in the filter-pressing chamber 210 is discharged outside the filter-pressing chamber 210 by using the power of the centrifugal pump.

The geotechnical pipe bag 110 is vertically supported by the vertical support assembly 200, so that the geotechnical pipe bag 110 can be vertically or obliquely arranged relative to the ground, and compared with the geotechnical pipe bag 110 which is horizontally arranged on the ground, the vertical filter pressing mode is adopted in the embodiment, so that the occupied area can be effectively reduced, and the gravity filter pressing of the slurry is fully utilized to filter and discharge water.

As an alternative embodiment, the vertical support assembly 200 includes a bracket 230, a cylinder 240 having both ends opened, a top end cap 250, and a bottom closure 260, and the cylinder 240 is vertically or obliquely disposed on the bracket 230. The top end cap 250 is connected to the holder 230 and is positioned at the top end of the cylinder 240. The bottom sealing plate 260 is connected to the bracket 230 and is positioned at the bottom end of the cylinder 240. The top end cap 250, the bottom sealing plate 260 and the sidewall of the cylinder 240 define the filter pressing chamber 210, and the geotechnical pipe bag 110 is disposed in the filter pressing chamber 210 along the length direction of the cylinder 240.

In this embodiment, the cylinder 240 is vertically or obliquely arranged by the bracket 230, so that the elastic bag 130 and the geotechnical pipe bag 110 arranged in the filter pressing chamber 210 are also relatively vertically or obliquely arranged, which can effectively reduce the occupied area in the filter pressing process. Preferably, the cylinder 240 is vertically installed on the support 230, and the length direction of the geotechnical pipe bag 110 is identical to the length direction of the cylinder 240, so that the occupied area is minimized.

The cylinder 240 may be a cylinder 240 having an inner cavity, such as an iron cylinder, a steel cylinder, or a stainless cylinder, and the horizontal cross-sectional shape of the cylinder 240 may be circular, elliptical, square, or polygonal. The cylinder 240 may be coupled to the bracket 230 by welding, screwing, rope coupling, etc., to achieve an upright or inclined arrangement of the cylinder 240 on the bracket 230.

As an alternative embodiment, the geotechnical pipe bag 110 is provided with a slag discharging port 112, the slag discharging port 112 is positioned at the bottom of the geotechnical pipe bag 110, and the slag discharging port 112 is provided to penetrate the bottom sealing plate 260.

Specifically, the slag discharging port 112 is used for discharging the slag after the filter-pressing in the geotechnical tube bag 110. In this embodiment, the slag discharging port 112 is disposed in the geotechnical pipe bag 110 and penetrates the bottom sealing plate 260, so that the slag in the geotechnical pipe bag 110 can be discharged by opening the slag discharging port 112, thereby facilitating the collection and transportation of workers. As an alternative embodiment, the geotextile tube 110 is provided with a clamp at the above-mentioned slag tap 112 for opening and closing the slag tap 112. During grouting and press filtration, the clamps clamp the slag discharge port 112 of the geotextile tube bag 110 to prevent mud from being discharged from the slag discharge port 112. After the press filtration process is completed, the clamp is opened to open the slag discharging port 112 of the geotechnical pipe bag 110, so that the filter residues in the geotechnical pipe bag 110 can be taken out. Specifically, the above-mentioned clamp may be a sealing clamp or a C-shaped steel clamp, and the present utility model is not particularly limited.

As an alternative embodiment, the top cover 250 includes a first fixed cover 251, a second fixed cover 252, and a movable cover 253, the first fixed cover 251 and the second fixed cover 252 are fixedly connected to the bracket 230, the movable cover 253 is disposed on the first fixed cover 251 and the second fixed cover 252, one side of the movable cover 253 is hinged to the first fixed cover 251, and the other side of the movable cover 253 is lockable connected to the second fixed cover 252.

Specifically, the movable cover 253 can be in lockable connection with the second fixed cover 252 through a bolt, and the movable cover 253 can be hinged with the first fixed cover 251 through a hinge, so that the movable cover 253 can be turned over, and the filter pressing chamber 210 can be opened and closed, so that the geotechnical pipe bag 110 and the elastic bag body 130 in the filter pressing chamber 210 can be maintained and replaced.

As an alternative embodiment, the bracket 230 is provided with a receiving channel 231, and the cylinder 240 is disposed in the receiving channel 231.

In this embodiment, a receiving channel 231 for placing the cylinder 240 is provided in the middle of the bracket 230. In this way, after the cylinder 240 is disposed in the accommodating channel 231, the support 230 is disposed around the cylinder 240, so that the cylinder 240 is connected with the support 230 at multiple points, which is beneficial to balancing the stress of the support 230, and thus is beneficial to improving the stability of the filter pressing device. Specifically, the horizontal cross section of the bracket 230 may be triangular, quadrangular, pentagonal, circular, etc.

As an alternative embodiment, the top of the bracket 230 is provided with a guard rail (not shown). The present embodiment improves construction safety by providing a guard rail on the bracket 230 to protect workers standing at the top end cap 250.

As an alternative embodiment, the drainage system 220 includes a drainage hole 221 and a drainage groove 222, the drainage groove 222 is relatively concavely disposed on the wall surface of the filter pressing chamber 210, and the drainage hole 221 is disposed on the bottom wall of the drainage groove 222.

In this embodiment, the drainage groove 222 is formed on the wall surface of the filter pressing chamber 210, which increases the space for dredging drainage, and when the elastic bag body 130 extrudes the geotechnical pipe bag 110, the filtrate filtered by the geotechnical pipe bag 110 can freely flow into the drainage groove 222, so as to avoid the wall surface of the filter pressing chamber 210 and the geotechnical pipe bag 110 from being completely propped against each other to slow down the speed of filtering the filtrate of the geotechnical pipe bag 110, and the filtrate entering the drainage groove 222 can be discharged out of the filter pressing chamber 210 through the drainage hole 221, thereby realizing rapid dehydration. The drain 222 may be disposed horizontally, vertically, obliquely, and spirally on the wall of the press chamber 210. The drain grooves 222 are provided in plurality, and the bottom wall of each drain groove 222 is provided with a plurality of drain holes 221.

As an alternative embodiment, the pressurizing mechanism 120 includes an injection device 121, a safety device 122, and a pipeline control valve 123, wherein the injection device 121 is connected to the elastic bladder 130 through a pipeline, and the safety device 122 and the pipeline control valve 123 are respectively disposed on the pipeline where the injection device 121 is connected to the elastic bladder 130.

Specifically, the pressurizing mechanism 120 is disposed outside the press filtration chamber 210, and the pressurizing mechanism 120 includes an injection device 121, and an output end of the injection device 121 is connected to the inside of the elastic capsule 130 through a pipe, so as to inject gas or liquid into the inside of the elastic capsule 130. The injection device 121 may be selected according to the injected material, and if gas such as air or nitrogen is selected to be injected, the injection device 121 may be a gas booster pump or an air compressor, and if liquid booster pump, gas booster pump or air compressor is selected. The present utility model is not particularly limited. In some embodiments, the injection device 121 is an air compressor that compresses air into the interior of the elastomeric bladder 130, effecting inflation of the elastomeric bladder 130. The elastic bag body 130 is inflated due to the pressure rise, and the inflated elastic bag body 130 presses the mud in the geotechnical pipe bag 110, so that water in the mud is filtered out. Further alternatively, the pressurizing mechanism 120 further includes a safety instrument 122 and a pipeline control valve 123, where the safety instrument 122 and the pipeline control valve 123 are respectively disposed on a pipeline where the injection device 121 is connected to the elastic bladder 130, so that a worker can adjust and control the pressure of the elastic bladder 130. Specifically, the safety device 122 includes a pressure gauge, a flow meter, and the like, and the line control valve 123 includes a safety valve, a shutoff valve, a pressure reducing valve, a regulating valve, a solenoid valve, and the like.

As an alternative embodiment, the filter pressing apparatus further includes a slurry storage container 300, a slurry adjusting container 400, and a slurry pumping mechanism 500, wherein the slurry storage container 300 is in communication with the slurry adjusting container 400 through a pipe, and the slurry pumping mechanism 500 is used to pump the slurry in the slurry adjusting container 400 to the inside of the geotextile tube 110.

In a specific application, the external grouting pipe injects slurry into the slurry storage container 300, the slurry flows into the slurry adjusting container 400 after passing through the slurry storage container 300, a certain proportion of polymeric flocculant is added into the slurry adjusting container 400 to flocculate the slurry, and finally the slurry adjusting container 400 is pumped into the geotechnical pipe bag 110 by the slurry pumping mechanism 500. The sludge pumping mechanism 500 may be a mechanism for pumping sludge, which is composed of a sludge pump and a pipeline.

As an alternative embodiment, a first filter (not shown) and a second filter (not shown) are sequentially disposed below the slag discharging opening 112 from top to bottom, and the mesh aperture of the first filter is larger than the mesh aperture of the second filter. Thus, when the slag discharging port 112 is opened, the slag in the geotechnical pipe bag 110 sequentially passes through the first filter screen and the second filter screen, so that particles in the slag are separated. When the mesh aperture of the first filter screen is larger than that of the second filter screen, the particles in the dregs can be separated from large to small according to the particle size, so that the particles with different sizes can be classified and recovered conveniently.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will occur to those skilled in the art from consideration of this specification without the exercise of inventive faculty, and such equivalent modifications and alternatives are intended to be included within the scope of the utility model as defined in the claims.

Claims (10)

1. The utility model provides a vertical geotechnique's pipe bag filter pressing device of top pressurization which characterized in that: the pressure filtration assembly comprises a geotechnical pipe bag, a pressurizing mechanism and an elastic bag body, wherein the geotechnical pipe bag is provided with a grouting port, and the elastic bag body is provided with an avoidance hole; the vertical supporting component is used for vertically supporting the geotechnical pipe bag and is provided with a filter pressing cavity and a drainage system;

the geotechnical pipe bag and the elastic bag body are respectively arranged in the filter pressing cavity, and the elastic bag body is arranged between the top wall of the geotechnical pipe bag and the top wall of the filter pressing cavity; the grouting port and the avoiding hole are correspondingly positioned at the top of the geotechnical pipe bag; the pressurizing mechanism is communicated with the inside of the elastic bag body so as to increase the internal pressure of the elastic bag body, and the drainage system is communicated to the filter pressing chamber so as to drain filtrate in the filter pressing chamber.

2. The vertical geotechnical pipe bag filter press device according to claim 1, wherein: the vertical supporting component comprises a bracket, a cylinder body with two open ends, a top end cover and a bottom sealing plate, wherein the cylinder body is vertically or obliquely arranged on the bracket; the top end cover is connected with the bracket and is positioned at the top end of the cylinder; the bottom sealing plate is connected with the bracket and is positioned at the bottom end of the cylinder; the top end cover, the bottom sealing plate and the side wall of the cylinder body enclose a filter pressing cavity, and the geotechnical pipe bag is arranged in the filter pressing cavity along the length direction of the cylinder body.

3. The vertical geotechnical pipe bag filter press device according to claim 2, wherein: the geotechnical pipe bag is provided with a slag discharging port, the slag discharging port is positioned at the bottom of the geotechnical pipe bag, and the slag discharging port penetrates out of the bottom sealing plate.

4. The vertical geotechnical pipe bag filter press device according to claim 2, wherein: the top end cover comprises a first fixed cover plate, a second fixed cover plate and a movable cover plate, wherein the first fixed cover plate and the second fixed cover plate are respectively and fixedly connected with the support, the movable cover plate is arranged on the first fixed cover plate and the second fixed cover plate, one side of the movable cover plate is hinged with the first fixed cover plate, and the other side of the movable cover plate is connected with the second fixed cover plate in a locking mode.

5. The vertical geotechnical pipe bag filter press device according to claim 2, wherein: the support is provided with a containing channel, and the cylinder body is arranged in the containing channel.

6. The vertical geotechnical pipe bag filter press device according to claim 2, wherein: the top of support is equipped with the guardrail.

7. The vertical geotechnical pipe bag filter press device according to claim 1, wherein: the drainage system comprises a drainage hole and a drainage groove, the drainage groove is arranged on the wall surface of the filter pressing cavity in a relatively concave mode, and the drainage hole is formed in the bottom wall of the drainage groove.

8. The vertical geotechnical pipe bag filter press device according to claim 2, wherein: the pressurizing mechanism comprises injection equipment, a safety instrument and a pipeline control valve, wherein the injection equipment is communicated into the elastic bag body through a pipeline, and the safety instrument and the pipeline control valve are respectively arranged on the pipeline of the injection equipment connected with the elastic bag body.

9. The vertical geotechnical pipe bag filter press device according to claim 1, wherein: the filter pressing device further comprises a mud storage container, a mud adjusting container and a mud pumping mechanism, wherein the mud storage container is communicated with the mud adjusting container through a pipeline, and the mud pumping mechanism is used for pumping mud in the mud adjusting container to the inside of the geotechnical pipe bag.

10. A vertical geotechnical pipe bag filter press according to claim 3, wherein: the slag discharging device is characterized in that a first filter screen and a second filter screen are sequentially arranged below the slag discharging port from top to bottom, and the mesh aperture of the first filter screen is larger than that of the second filter screen.