CN117430304A - Filter pressing device for environment-friendly treatment of drilling mud - Google Patents
Filter pressing device for environment-friendly treatment of drilling mud Download PDFInfo
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- CN117430304A CN117430304A CN202311445033.2A CN202311445033A CN117430304A CN 117430304 A CN117430304 A CN 117430304A CN 202311445033 A CN202311445033 A CN 202311445033A CN 117430304 A CN117430304 A CN 117430304A
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- bag body
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- 238000003825 pressing Methods 0.000 title claims abstract description 53
- 238000005553 drilling Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 56
- 239000002002 slurry Substances 0.000 claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 15
- 230000007613 environmental effect Effects 0.000 claims description 12
- 239000002775 capsule Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000011085 pressure filtration Methods 0.000 abstract 2
- 239000002699 waste material Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000028659 discharge Diseases 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a filter pressing device for environment-friendly treatment of drilling mud, which comprises a frame, a feed pipe, a thrust plate, a filter chamber, an extruding plate, a driving device, a pulling plate device and a filter pressing reinforcing component, wherein the filter pressing reinforcing component comprises a mounting plate, an inflatable bag body and a corrugated hose, the mounting plate and an adjacent filter plate are in sealed butt joint to form a closed cavity, so that mud is ensured to only enter the closed cavity of the filter chamber but not enter other spaces in the filter pressing process; the deformable characteristic of the corrugated hose also ensures the stability of connection, the inflatable bag body is inflated by filling a medium, and the inflatable bag body presses the adjacent filter plates after inflation, so that the pressing force on the slurry materials which are initially pressed and filtered in the filter chamber is further increased, the water content of the slurry materials is reduced, and the press filtration effect is improved; the expanded expandable bag body extrudes the filter plate and retracts when the expandable bag body recovers, so that a discharging space is provided for slurry materials after pressure filtration, the discharging efficiency is improved, and the performance of the pressure filtration device is improved.
Description
Technical Field
The invention relates to the technical field of environmental protection treatment of drilling mud, in particular to a filter pressing device for environmental protection treatment of drilling mud.
Background
In the current production activities of various large oil fields, well drilling and exploitation can generate a plurality of waste mud substances at any time, and researches show that most petroleum well drilling mud is in a water-based form, has strong alkaline characteristics, has strong corrosiveness and is difficult to transport, so that the petroleum well drilling mud is effectively treated and is discharged nearby. If the waste mud is randomly piled around a site or directly discharged, pollution is generated, and the sustainable development of an oil field is hindered, so people are also aware of the significance of environmental protection treatment of the waste mud in oil exploitation. At present, the drilling quantity of the petroleum vertical wells and the horizontal wells in China is about 2-2.5 ten thousand per year, and according to the statistics of related data, the average waste mud generated by each well is 300-400m 3 Wherein the fraction of the recyclable slurry is less than 1/50, and the remaining slurry is an important task.
The plate-and-frame filter press is a common device in the current environmental protection treatment process of drilling mud, and the plate-and-frame filter press is composed of a group of closed filter chambers formed by side filter plates. The working principle of the filter press is that the slurry is pressed into a sealed filter chamber by the pressure difference formed by the pressurizing equipment, and the slurry is extruded to form an internal pressure difference and an external pressure difference, so that the slurry is filtered by a filter screen, and solid particulate matters are left, thereby realizing solid-liquid separation.
The filter pressing unit of the existing filter press has a simple structure, for example, the structure in CN111138062A, CN217430930U is formed by arranging a plurality of filter chambers in close proximity, and the structure has no additional benefit on the extrusion efficiency and the discharging efficiency of slurry.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the filter pressing device for the environment-friendly treatment of the drilling mud, which can improve the efficiency and the unloading efficiency, further improve the performance of the filter pressing device, reduce the adverse effect of waste drilling mud on the environment and facilitate the subsequent treatment or recycling.
The technical scheme of the invention is as follows:
the invention provides a filter pressing device for environment-friendly treatment of drilling mud, which comprises a frame, a feed pipe, a thrust plate, filter chambers, an extrusion plate, a driving device, a pulling plate device and a filter pressing reinforcing assembly, wherein the frame comprises a sliding rail;
the filter chambers are closed chambers formed by sealing and abutting two filter plates, the pulling plate device is used for pulling the filter plates which are in sealing and abutting connection, the filter plates are provided with material conveying through holes, the material conveying through holes on the filter plates are coaxially arranged with the material conveying through holes on the extruding plates, filter screens are arranged on two sides of the filter plates, sliding arms are arranged on the left side and the right side of the filter plates, the sliding arms are in sliding connection with the sliding rails, and filter pressing reinforcing assemblies are arranged between any two adjacent filter chambers on the filter plates;
the filter pressing reinforcing component comprises a mounting plate, an inflatable bag body and a corrugated hose, wherein: the mounting plate and two adjacent filter plates can be in sealing butt joint to form a closed cavity; the mounting plate is also provided with a material conveying through hole and is coaxial with the material conveying through holes of the filter plates; the two sides of the mounting plate are respectively provided with an inflatable bag body, the inflatable bag body can be inflated by filling a medium and output the medium for restoration, and the inflatable bag body can squeeze the filter plates adjacent to the inflatable bag body after being inflated; the material conveying through holes of the mounting plate are communicated with the material conveying through holes of the adjacent filter plates through corrugated hoses;
the inflatable bag body is arranged in a serpentine or spiral shape on the mounting plate; the medium filled in each inflatable bag body is the same and is gas or liquid.
Preferably, in each filter chamber, a rectangular groove is arranged on one surface of one filter plate facing the other filter plate, a rectangular raised strip matched with the other filter plate is arranged on one surface of the other filter plate facing the filter plate, and when two filter plates in any filter chamber are closed, the rectangular raised strip is embedded into the corresponding rectangular groove to realize sealing; and when the mounting plates are close to any adjacent filter plate, the rectangular grooves corresponding to the rectangular protruding strips are embedded into the rectangular grooves to realize sealing.
Preferably, each of the rectangular convex strips and the rectangular grooves is made of rubber material.
Preferably, each inflatable bag body is provided with a medium interface corresponding to the inflatable bag body, the medium interfaces are arranged at the top of the outer frame of the mounting plate, the medium interfaces are communicated with the inflatable bag body through pipelines built in the mounting plate, each medium interface is communicated with a medium pipeline through a hose, and one end of the medium pipeline, a medium feeding pump and a medium extracting pump are connected through a three-way control valve.
Preferably, the feeding pipe, the feeding through holes and the corrugated hoses form a material channel together, and the extruding plate is provided with an air inlet interface for connecting compressed gas to blow back the material channel.
Preferably, one end of the feeding pipe, which is far away from the extrusion plate, is a feeding end, a backflow branch pipe is arranged on the feeding pipe, a feeding valve is arranged between the backflow branch pipe and the feeding end, and a backflow valve is arranged on the backflow branch pipe.
Preferably, each filter plate comprises a frame and a plate body, the frame is fixedly arranged around the periphery of the plate body, a rectangular groove or a rectangular raised line is formed in the frame, the plate body is of a hollow structure, one surface of the plate body, which faces the inside of the filter chamber, is a filter screen plate, the filter screen plate allows moisture in slurry to pass through and enter an inner cavity of the plate body, one surface of the plate body, which is far away from the filter screen plate, is of a closed structure, and the material conveying through hole penetrates through the inner cavity of the plate body and is not communicated with the inner cavity.
The beneficial effects of the invention are as follows:
the filter pressing device for environment-friendly treatment of drilling mud comprises a frame, a feeding pipe, a thrust plate, a filter chamber, an extruding plate, a driving device, a pulling plate device and a filter pressing reinforcing assembly, wherein the filter pressing reinforcing assembly comprises a mounting plate, an inflatable bag body and a corrugated hose, the mounting plate and an adjacent filter plate are in sealed butt joint to form a closed cavity, and the mud is ensured to only enter the closed cavity of the filter chamber but not enter other spaces in the filter pressing process; the deformable characteristic of the corrugated hose also ensures the stability of connection, the inflatable bag body is inflated by filling a medium, and the inflatable bag body presses the adjacent filter plates after inflation, so that the pressing force on the slurry materials which are initially pressed and filtered in the filter chamber is further increased, the water content of the slurry materials is reduced, and the press filtration effect is improved; the conversion between the expansion and the restoration of the expandable bladder can be realized by filling medium and extracting medium, the expandable bladder after the expansion extrudes the filter plate, and the expandable bladder retracts when the expandable bladder is restored, so that a discharging space is provided for the slurry materials after the filter pressing is finished, and the discharging efficiency is improved.
The filter pressing device is used for environment-friendly treatment of drilling mud, can effectively separate solid particles and moisture in the mud, realizes dehydration treatment of the mud, reduces environmental pollution, enhances extrusion force in the mud filter pressing process by filter pressing, improves filter pressing effect, and realizes flexible medium control and discharge treatment while maintaining connection stability, thereby improving performance and efficiency of the filter pressing device for environment-friendly treatment of the drilling mud, simultaneously reducing adverse effect of waste drilling mud on the environment, and facilitating subsequent treatment or recycling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a filter press device for environmental protection treatment of drilling mud;
FIG. 2 is a cross-sectional view of a filter press reinforcing assembly and its left and right filter chambers of the filter press device provided by the present invention;
FIG. 3 is a side view of a press reinforcement assembly of the press apparatus of the present invention;
FIG. 4 is a side view of a press reinforcement assembly of the press apparatus of the present invention;
FIG. 5 is a side view of a filter plate of the filter press apparatus provided by the present invention;
FIG. 6 is a side view of a filter plate of the filter press apparatus provided by the present invention;
in the drawing, 1-frame, 11-slide rail, 21-feeding pipe, 22-feeding through hole, 23-corrugated hose, 3-thrust plate, 4-filter plate, 41-plate body, 42-drain pipe, 43-frame, 44-filter screen plate 44,5-extrusion plate, 6-driving device, 7-pulling plate device, 8-filter pressing reinforcing component, 81-mounting plate, 82-inflatable air bag, 83-medium interface, 91-sliding arm, 92-rectangular groove and 93-rectangular convex strip.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein.
In the present application, the terms "upper", "lower", "inner", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "configured," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
The embodiment provides a filter pressing device for environment-friendly treatment of drilling mud, as shown in fig. 1, the filter pressing device comprises a frame 1, a feed pipe 21, a thrust plate 3, a filter chamber, an extrusion plate 5, a driving device 6, a pull plate device 7 and a filter pressing reinforcing assembly 8, wherein the frame 1 comprises a sliding rail 11, the thrust plate 3 is fixed at one end of the sliding rail 11, the extrusion plate 5 is arranged at the other end of the sliding rail 11, the output end of the driving device 6 is connected with the extrusion plate 5, a plurality of filter chambers are further arranged between the thrust plate 3 and the extrusion plate 5, the driving device 6 is used for driving the extrusion plate 5 to slide along the sliding rail 11, a material conveying through hole 22 is arranged on the thrust plate 3, and the material conveying through hole 22 can be communicated with the feed pipe 21;
as shown in fig. 2, each filter chamber is a closed chamber formed by sealing and jointing two filter plates 4, each filter plate 4 is provided with a material conveying through hole 22, the material conveying through holes 22 on each filter plate 4 are coaxially arranged with the material conveying through holes 22 on the extruding plate 5, the two sides of each filter plate 4 are provided with filter screens, the left side and the right side of each filter plate 4 are provided with sliding arms 91, the sliding arms 91 are in sliding connection with the sliding rails 11, and a filter pressing reinforcing component 8 is arranged between any two adjacent filter chambers on each filter plate 4;
as shown in fig. 2, the press filtration reinforcement assembly 8 comprises a mounting plate 81, an inflatable bladder, a bellows 23, wherein: the mounting plate 81 and two adjacent filter plates 4 can be in sealing butt joint to form a closed cavity; the mounting plate 81 is also provided with a material conveying through hole 22 and is coaxial with the material conveying through holes 22 of the filter plates 4; the mounting plate 81 is provided with inflatable capsules on both sides, the inflatable capsules can be inflated by filling medium and output medium for restoration, and the inflatable capsules can squeeze the filter plates 4 adjacent to the inflatable capsules after being inflated; the material feed through holes 22 of the mounting plate 81 are communicated with the material feed through holes 22 of the adjacent filter plates 4 through corrugated hoses 23.
In this embodiment, the medium filled in each inflatable bladder is the same and is a high pressure gas or a high pressure liquid.
Before the feeding pipe feeds, the two filter plates 4 of each filter chamber are sealed and butted to form a chalk chamber, and meanwhile, the mounting plates 81 of the filter pressing reinforcing assembly 8 between the adjacent filter chambers are sealed and butted with the filter plates 4 adjacent to the left and right to form a closed chamber. Subsequently, the feeding tube is started, the slurry to be treated, which enters from the feeding tube, firstly passes through the material conveying through hole 22 of the thrust plate 3 and the material conveying through hole 22 of the filter plate 4 of the first filter chamber, which is close to the thrust plate 3, and enters and fills the closed cavity of the first filter chamber, and continues to enter the corrugated hose 23 of the first filter pressing reinforcing component 8, which is close to the thrust plate 3, through the material conveying through hole 22 of the mounting plate 81, then continues to enter the other corrugated hose 23 of the first filter pressing reinforcing component 8, and then enters and fills the closed cavity … … of the second filter chamber, which is close to the filter plate 4 of the thrust plate 3, and so on, until the closed cavity of all filter chambers is filled, and it is required to be stated that, due to the existence of the corrugated hose 23, the slurry does not enter the closed cavity of the filter chamber when passing through the closed cavity formed by the butt joint of the filter plate 4 and the mounting plate 81, but only enters the closed cavity of the filter chamber, and simultaneously, due to the deformable and elastic characteristics of the corrugated hose 23, the slurry is allowed to be pressed by external force without affecting the stability of the connection;
after the slurry to be treated fills the closed chambers of the filter chambers, stopping feeding, starting the driving device 6 to drive the extrusion plates 5 to slide along the sliding rails 11 and extrude the filter chambers, and after the slurry in each filter chamber is extruded by external force, the internal moisture can pass through the filter screen on the surface of the filter plate 4 to enter the filter plate 4 and be discharged to the water collecting tank from the drain pipe 42 in the filter plate 4;
then, the filter pressing reinforcing component 8 arranged between the adjacent filter chambers is started, after the filter pressing reinforcing component is started, the inflatable bag bodies arranged on the two sides of the mounting plate 81 are filled with media to be inflated, after the inflatable bag bodies are inflated, the adjacent filter plates 4 on the two sides of the inflatable bag bodies are extruded, the extruded filter plates 4 further extrude the mud materials which are subjected to preliminary filter pressing in the filter pressing chambers, the water content of the mud materials is further reduced, and a better filter pressing effect is achieved; after the filter pressing is in place, the medium in the inflatable bag body is extracted, the inflatable bag body is reset and retracted, a certain unloading space is reserved for the mud materials after the filter pressing is finished, the unloading efficiency is improved, and the filter plates 4 and the mounting plates 81 are pulled open in sequence by matching with the pulling plate device 7, so that the rapid unloading can be realized.
Example two
On the basis of the first embodiment, in order to further optimize the filter pressing reinforcing component 8, the expandable bladder body can generate more uniform extrusion force on the filter plate 4 when expanding and extruding the filter plate 4, so that the force of the filter plate 4 for extruding slurry materials is more uniform, the slurry materials are extruded more fully, and further optimization design is carried out on the expandable bladder body, specifically: as shown in fig. 3-4, the inflatable bladder is serpentine or spiral in arrangement on the mounting plate 81. In order to increase the medium filling efficiency of the inflatable bladder, the inflatable bladders on both sides of the same mounting plate 81 may be connected to each other.
In this embodiment, on the basis of the first embodiment, a specific manner of filling or extracting the medium of the inflatable bladder of each filter pressing reinforcing component 8 is designed, in this embodiment, each inflatable bladder is provided with a medium interface 83 corresponding to the inflatable bladder, the medium interface 83 is arranged at the top of the outer frame of the mounting plate 81, the medium interface 83 is communicated with the inflatable bladder through a pipeline built in the mounting plate 81, each medium interface 83 is communicated with a medium pipeline through a hose, and one end of the medium pipeline, a medium feeding pump and a medium extracting pump are connected through a three-way control valve. After the design, when the inflatable bag body is required to be inflated, the medium pipeline is communicated with the medium feeding pump through the three-way control valve; when the inflatable bag body is required to be restored and retracted, the medium pipeline is communicated with the medium pumping pump through the three-way control valve. If the medium is gas, the medium feeding pump is an air pump, and the medium pumping pump is an air pump; if the medium is liquid, the medium feeding pump is a water pump, and the medium extracting pump is a water pump.
Example III
In this embodiment, on the basis of the second embodiment, in order to achieve the sealing and butt joint between the two filter plates 4 of the filter chamber, the following optimization is made: as shown in fig. 2 and fig. 5 to fig. 6, in each filter chamber, a rectangular groove 92 is formed on one surface of one filter plate 4 facing the other filter plate 4, a rectangular raised line 93 matched with the other filter plate 4 is formed on one surface of the other filter plate 4 facing the filter plate 4, and when two filter plates 4 in any filter chamber are closed, the rectangular raised line 93 is embedded into the corresponding rectangular groove 92 to realize sealing;
in this embodiment, on the basis of the second embodiment, in order to achieve sealing and abutting joint between the mounting plate 81 and the adjacent filter plate 4, the following optimization is made: between each mounting plate 81 and any adjacent filter plate 4, a rectangular groove 92 is formed in one face, facing the filter plate 4, of the mounting plate 81, a rectangular raised line 93 matched with the rectangular groove is formed in one face, facing the mounting plate 81, of the filter plate 4, and when the mounting plate 81 and any adjacent filter plate 4 are close, the rectangular raised line 93 is embedded into the corresponding rectangular groove 92 to realize sealing.
In the present embodiment, each of the rectangular convex strips 93 and the rectangular concave grooves 92 is made of a rubber material.
In this embodiment, as shown in fig. 2 to 4, each filter plate 4 includes a frame 43 and a plate body 41, the frame 43 is fixedly surrounding the periphery of the plate body 41, a rectangular groove 92 or a rectangular convex strip 93 is provided on the frame 43, the plate body 41 is of a hollow structure, the side of the plate body 41 facing the inside of the filter chamber is a filter screen plate 44, the filter screen plate 44 allows moisture in slurry to pass through and enter the cavity inside the plate body 41, the side of the plate body 41 away from the filter screen plate 44 is of a closed structure, and the material conveying through holes 22 penetrate through the cavity inside the plate body 41 and are not communicated with the same.
Example IV
In the first embodiment, on the basis of the first embodiment, the material channel is formed by the material feeding pipe 21, the material feeding through holes 22 and the corrugated hoses 23, and the extruding plate 5 is provided with an air inlet interface for connecting compressed gas to blow back the material channel; one end of the feeding pipe 21 far away from the extrusion plate 5 is a feeding end, a backflow branch pipe is arranged on the feeding pipe 21, a feeding valve is arranged between the backflow branch pipe and the feeding end, and a backflow valve is arranged on the backflow branch pipe. After the design, keep the feed valve to open when feeding, the return valve is closed, closes the feed valve when feeding is finished, keeps the return valve simultaneously and is closed, and after the filter-pressing is finished, opens the return valve simultaneously and keeps the feed valve to be closed to by the air inlet interface on the stripper plate 5 access compressed gas, the compressed gas blowbacks in the material passageway, can blow back the material in the material passageway to inlet pipe 21, and the rethread inlet pipe 21's backward flow branch pipe is retrieved.
It should be noted that, the driving device 6 and the pulling plate device 7 according to the present invention may directly adopt similar designs in the prior art, and are not described herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. A filter pressing device for environmental protection treatment of drilling mud is characterized in that: the device comprises a frame (1), a feed pipe (21), a thrust plate (3), a filter chamber, an extrusion plate (5), a driving device (6), a pulling plate device (7) and a filter pressing reinforcing assembly (8), wherein the frame (1) comprises a sliding rail (11), the thrust plate (3) is fixed at one end of the sliding rail (11), the extrusion plate (5) is arranged at the other end of the sliding rail (11), the output end of the driving device (6) is connected with the extrusion plate (5), a plurality of filter chambers are further arranged between the thrust plate (3) and the extrusion plate (5), the driving device (6) is used for driving the extrusion plate (5) to slide along the sliding rail (11), a material conveying through hole (22) is formed in the thrust plate (3), and the material conveying through hole (22) can be communicated with the feed pipe (21).
Each filter chamber is a closed chamber formed by sealing and jointing two filter plates (4), each filter plate (4) is provided with a material conveying through hole (22), the material conveying through holes (22) on each filter plate (4) are coaxially arranged with the material conveying through holes (22) on the extrusion plate (5), the two sides of each filter plate (4) are provided with filter screens, the left side and the right side of each filter plate (4) are provided with sliding arms (91), the sliding arms (91) are in sliding connection with the sliding rail (11), and a filter pressing reinforcing assembly (8) is arranged between any two adjacent filter chambers on each filter plate (4);
the filter pressing reinforcing component (8) comprises a mounting plate (81), an inflatable bag body and a corrugated hose (23), wherein: the mounting plate (81) and two adjacent filter plates (4) can be in sealing butt joint to form a closed cavity; the mounting plate (81) is also provided with a material conveying through hole (22) and is coaxial with the material conveying through holes (22) of the filter plates (4); the two sides of the mounting plate (81) are provided with inflatable capsules which can be inflated by filling media and restored by outputting the media, and the inflatable capsules can squeeze the filter plates (4) adjacent to the inflatable capsules after being inflated; the material conveying through holes (22) of the mounting plate (81) are communicated with the material conveying through holes (22) of the adjacent filter plates (4) through corrugated hoses (23);
the inflatable bag body is arranged in a serpentine shape or a spiral shape on the mounting plate (81); the medium filled in each inflatable bag body is the same and is gas or liquid.
2. The filter pressing device for environmental protection treatment of drilling mud according to claim 1, wherein: in each filter chamber, one surface of one filter plate (4) facing the other filter plate (4) is provided with a rectangular groove (92), one surface of the other filter plate (4) facing the filter plate (4) is provided with a rectangular raised line (93) matched with the other filter plate, and when two filter plates (4) in any filter chamber are closed, the corresponding rectangular groove (92) is embedded by the rectangular raised line (93) to realize sealing; between each mounting plate (81) and any adjacent filter plate (4), one face of the mounting plate (81) facing the filter plate (4) is provided with a rectangular groove (92), one face of the filter plate (4) facing the mounting plate (81) is provided with a rectangular raised line (93) matched with the rectangular groove, and when the mounting plate (81) is close to any adjacent filter plate (4), sealing is realized through the rectangular raised line (93) embedded into the corresponding rectangular groove (92).
3. The filter pressing device for environmental protection treatment of drilling mud according to claim 2, wherein: each rectangular convex strip (93) and each rectangular groove (92) are made of rubber materials.
4. A filter press apparatus for environmental protection treatment of drilling mud according to claim 3, wherein: each inflatable bag body is provided with a medium interface (83) corresponding to the inflatable bag body, the medium interfaces (83) are arranged at the top of the outer frame of the mounting plate (81), the medium interfaces (83) are communicated with the inflatable bag body through pipelines built in the mounting plate (81), each medium interface (83) is communicated with a medium pipeline through a hose, and one end of each medium pipeline, a medium feeding pump and a medium extracting pump are connected through a three-way control valve.
5. The filter pressing device for environmental protection treatment of drilling mud according to claim 1, wherein: the feeding pipe (21), the feeding through holes (22) and the corrugated hoses (23) form a material channel together, and the extruding plate (5) is provided with an air inlet interface which is used for connecting compressed gas to blow back the material channel.
6. The filter pressing device for environmental protection treatment of drilling mud according to claim 5, wherein: one end of the feeding pipe (21) far away from the extruding plate (5) is a feeding end, a backflow branch pipe is arranged on the feeding pipe (21), a feeding valve is arranged between the backflow branch pipe and the feeding end, and a backflow valve is arranged on the backflow branch pipe.
7. The filter pressing device for environmental protection treatment of drilling mud according to claim 2, wherein: each filter plate (4) comprises a frame (43) and a plate body (41), the frame (43) is fixedly arranged around the periphery of the plate body (41), a rectangular groove (92) or a rectangular raised line (93) is formed in the frame (43), the plate body (41) is of a hollow structure, one surface of the plate body (41) facing the inside of the filter chamber is a filter screen plate (44), the filter screen plate (44) allows moisture in slurry to pass through and enter the inner cavity of the plate body (41), one surface of the plate body (41) away from the filter screen plate (44) is of a closed structure, and the material conveying through hole (22) penetrates through the inner cavity of the plate body (41) and is not communicated with the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311445033.2A CN117430304A (en) | 2023-11-01 | 2023-11-01 | Filter pressing device for environment-friendly treatment of drilling mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311445033.2A CN117430304A (en) | 2023-11-01 | 2023-11-01 | Filter pressing device for environment-friendly treatment of drilling mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117430304A true CN117430304A (en) | 2024-01-23 |
Family
ID=89556434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311445033.2A Withdrawn CN117430304A (en) | 2023-11-01 | 2023-11-01 | Filter pressing device for environment-friendly treatment of drilling mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117430304A (en) |
-
2023
- 2023-11-01 CN CN202311445033.2A patent/CN117430304A/en not_active Withdrawn
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